• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
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  • 优先权
    • 专利摘要:
    A control system for exhibition hall lighting circuit includes a first light intensity sensor (1), a second light intensity sensor (2), a data analysis module (3), a controller (4), a cabinet light control module (5), an exhibition hall light control module (6), a residual light control module (7), a display module (8), an alarm module (9), a power supply monitoring module (10), a UPS power supply (11), a power supply (12), a time synchronization module (13) and an activity detection module (14). The first light intensity sensor (1) and the second light intensity sensor (2) enable the system to automatically turn on lights in an exhibition hall for lighting when the light intensity in the exhibition hall satisfies certain requirements. The activity detection module (14) enables the system to turn on exhibition hall lights and cabinet lights in the exhibition hall when a light intensity difference is out of a certain range and there are activities of people in the exhibition hall.
    公开号:SE2030204A1
    申请号:SE2030204
    申请日:2020-06-19
    公开日:2020-12-20
    发明作者:Mingdi He
    申请人:Mingdi He；
    IPC主号:
    专利说明:

    CONTROL SYSTEM FOR EXHIBITION HALL LIGHTING CIRCUIT Field of the Patent Application The present patent application generally relates to an exhibition hall lighting circuit and more specifically to a control system for exhibition hall lighting circuit.
    Background Exhibition design refers to visual arts of all exhibitions and displays, including indoor andoutdoor environmental planning and beautification design for commercial sales space andservice space such as shopping malls, hotels, superrnarkets and so on. Digital exhibition halldesign focuses on 3D images so that the information is more visual and easier to understandWhile more information can be shown. Such digital exhibition hall design enriches Ways ofexpressions of exhibition halls and therefore the exhibition halls can bring about profoundexperience. The hyperrnedia technology employed in the exhibition hall design has beenWidely applied in exhibition projects for real estate marketing, govemment planning, cultural activities, business achievements and so on.
    HoWever, at present, as for exhibition halls, the design of lighting systems is a key to the designof exhibition halls and an effective lighting system can better promote the exhibition ofexhibition halls. HoWever, at present, there lacks an effective exhibition hall lighting systemWhich can not only illuminate an exhibition hall intelligently, but also guard against theft to some degree.
    Summary The present patent application is directed to a control system for exhibition hall lighting circuit.In one aspect, the control system for exhibition hall lighting circuit includes a first lightintensity sensor, a second light intensity sensor, a data analysis module, a controller, a cabinetlight control module, an exhibition hall light control module, a residual light control module,a display module, an alarm module, a power supply monitoring module, a UPS power supply,a power supply, a time synchronization module and an activity detection module. The cabinetlight control module is configured to control operation of cabinet lights in display cabinets inan exhibition hall. The exhibition hall light control module is configured to control operationof hall lights in the exhibition hall. The residual light control module is configured to controloperation of lights except cabinet lights and exhibition hall lights. The first light intensitysensor is disposed in the exhibition hall and configured to acquire an information group of firstlight intensity information Hi produced at preset time intervals in the exhibition hall. Thesecond light intensity sensor is disposed outside the exhibition hall and configured to detect inreal time an information group of second light intensity information Ji produced at the presettime intervals outside the exhibition hall. The time synchronization module is synchronizedwith the Intemet time. The controller is configured to acquire time information of the Intemetin real time. The first light intensity sensor is configured to transmit the first light intensityinformation Hi to the data analysis module. The second light intensity sensor is configured to transmit the second light intensity information Ji to the data analysis module.
    The data analysis module is configured to process the first light intensity information Hi andthe second light intensity information Ji according to a processing method. The processingmethod includes the following steps: step l: deriVing a light intensity difference X1 by subtracting the first light intensityinformation Hi from the second light intensity information Ji; step 2: automatically deriVing multiple light intensity differences Xi (i=2. . .n) at the preset time intervals after deriVing the initial light intensity difference Xl; step 3: deriving average light intensity differences O in real time and deriving light intensity . . . 1 l N . . .values S1 1n accordance With a forrnula S, = N :ICQ - O)2 , Where S1 represents an 1th lighti:l intensity value, Xi represents an ith light intensity difference and O represents an average lightintensity difference, N is an integer greater than l, and i is an integer varying from l to N;step 4: deriving real-time varied values T of light intensity values Si in accordance With aforrnula T= | Si-SH | , Where T represents a real-time varied value, Si represents an ith lightintensity value, Si-1represents a (i-l)th light intensity value, and i is an integer greater than l;and step 5: deterrnining the first light intensity inforrnation Hi When the real-time varied value T is greater than a first preset value, then deterrnining the value of a forrnula H l. -H H , Where Hi represents an ith first light intensity inforrnation, Hi.1 represents a (i-l)th first light intensityinforrnation, and i is an integer greater than l; transmitting a preparatory lighting signal to the controller When the value of the forrnula H l. -H ._1 is greater than 0, Where Hi represents an l ith first light intensity inforrnation and HH represents a (i-l)th first light intensity inforrnation and i is an integer greater than l.
    The data analysis module is configured to transmit a preparatory lighting signal to thecontroller according to the processing method When processing conditions are met. Theactivity detection module is configured to detect activities of people in the exhibition hall inreal time and transmit an accessory lighting signal to the controller When detecting activitiesof people in the exhibition hall. The controller transmits a lighting signal to the exhibition halllight control module When receiving the accessory lighting signal transmitted by the activitydetection module and the preparatory lighting signal transmitted by the data analysis module.The exhibition hall light control module tums on exhibition hall lights for lighting When receiving the lighting signal transmitted by the controller.
    The controller may transmit a lighting signal to the cabinet light control module whenreceiVing an accessory lighting signal transmitted by the activity detection module and apreparatory lighting signal transmitted by the data analysis module. The cabinet light controlmodule may tum on cabinet lights for lighting when receiVing the lighting signal transmitted by the controller.
    The power supply monitoring module may be configured to monitor operation of the powersupply of the exhibition hall lighting system in real time, to switch to the UPS power supplyfor power supply when detecting disconnection of the power supply, and to transmit a power supply alarm signal to the controller when detecting disconnection of the power supply.
    The controller may be configured to transmit the power supply alarm signal to the alarmmodule when receiving the power supply alarm signal transmitted by the power supplymonitoring module. The alarm module may raise an alarm when receiVing the power supply alarm signal transmitted by the controller.
    The controller may transmit the power supply alarm signal to the display module whenreceiVing the power supply alarm signal transmitted by the power supply monitoring module.The display module may automatically display words of “disconnection of power supply”when receiVing the power supply alarm signal transmitted by the controller. The data analysismodule may transmit a preparatory lighting signal to the controller when receiVing second light intensity information J i which is lower than a second preset Value.
    The data analysis module may be further configured to transmit a range lighting signal to thecontroller when the light intensity difference is out of a first preset range. The controller maytransmit a lighting signal to the residual light control module when receiVing the range lightingsignal transmitted by the data analysis module. The residual light control module may tum onlights except cabinet lights and exhibition hall lights for lighting when receiVing the lighting signal transmitted by the controller.
    The data analysis module may transmit a regular lighting signal to the controller When the lightintensity difference is out of a second preset range. The controller may be configured totransmit a lighting signal to the exhibition hall light control module When receiving the regularlighting signal transmitted by the data analysis module in a first preset time period. Theexhibition hall light control module may tum on exhibition hall lights When receiving the lighting signal transmitted by the controller.
    The controller may be further configured to transmit an anti-theft signal to the alarm moduleWhen receiving an accessory lighting signal transmitted by the activity detection module in asecond preset time period. The alarm module may raise an alarm When receiving the anti-theft signal transmitted by the controller.
    The controller may be further configured to transmit an anti-theft signal to the display moduleWhen receiving an accessory lighting signal transmitted by the activity detection module in athird preset time period. The display module displays Words of “abnormal activities” When receiving the anti-theft signal transmitted by the controller.
    Brief Description of the Drawings FIG. l is a block diagram of a control system for exhibition hall lighting circuit in accordance With the present patent application.
    FIG. 2 is a flowchart illustrating a processing method of a data analysis module of the control system for exhibition hall lighting circuit as depicted in FIG. l.
    FIG. 3 illustrates the Working principle of the control system for exhibition hall lighting circuitas depicted in FIG. 1.
    Detailed Description Reference will now be made in detail to a preferred embodiment of the control system forexhibition hall lighting circuit disclosed in the present patent application, examples of whichare also provided in the following description. Exemplary embodiments of the control systemfor exhibition hall lighting circuit disclosed in the present patent application are described indetail, although it will be apparent to those skilled in the relevant art that some features thatare not particularly important to an understanding of the control system for exhibition hall lighting circuit may not be shown for the sake of clarity.
    Furthermore, it should be understood that the control system for exhibition hall lighting circuitdisclosed in the present patent application is not limited to the precise embodiments describedbelow and that various changes and modifications thereof may be effected by one skilled inthe art without departing from the spirit or scope of the protection. For example, elementsand/ or features of different illustrative embodiments may be combined with each other and/ or substituted for each other within the scope of this disclosure.
    Referring to FIG. 1 to FIG. 3, a control system for exhibition hall lighting circuit includes afirst light intensity sensor 1, a second light intensity sensor 2, a data analysis module 3, acontroller 4, a cabinet light control module 5, an exhibition hall light control module 6, aresidual light control module 7, a display module 8, an alarm module 9, a power supplymonitoring module 10, a UPS power supply 11, a power supply 12, a time synchronization module 13 and an activity detection module 14.
    The cabinet light control module 5 is configured to control the operation of cabinet lights indisplay cabinets in an exhibition hall. The exhibition hall light control module 6 is configuredto control the operation of hall lights in the exhibition hall (excluding cabinet lights and residual lights). The residual light control module 7 is configured to control the operation of6 lights except cabinet lights and exhibition hall lights. The first light intensity sensor 1 isdisposed in the exhibition hall and configured to acquire an information group of first lightintensity information Hi produced at preset time intervals (e.g. one to five minutes) in theexhibition hall. The second light intensity sensor 2 is disposed outside the exhibition hall andconfigured to detect in real time an information group of second light intensity information J iproduced at the preset time intervals (e. g. one to five minutes) outside the exhibition hall. Thetime synchronization module 13 is synchronized With the Intemet time. The controller 4 is configured to acquire time information of the Intemet in real time.
    The first light intensity sensor 1 is configured to transmit the first light intensity informationHi to the data analysis module 3. The second light intensity sensor 2 is configured to transmitthe second light intensity information Ji to the data analysis module 3. The data analysismodule 3 is configured to process the first light intensity information Hi and the second lightintensity information Ji according to the processing method described hereafter. Referring to FIG. 2, the processing method includes the following steps: Step 201: deriving a light intensity difference X1 by subtracting the first light intensity information Hi from the second light intensity information Ji; Step 202: automatically deriving multiple light intensity differences Xi (i=2. . .n) at the preset time intervals (e. g. one to five minutes) after deriving the initial light intensity difference X1; Step 203: deriving average light intensity differences O in real time and deriving light intensity. . . 1 N 2values Si in accordance With a forrnula SI. = W :ICQ - O) ;í:l Step 204: deriving real-time varied values T of light intensity values Si in accordance With a forrnula T= | Si-SH | ; Step 205: deterrnining the first light intensity information Hi When the real-time varied valueT is greater than a first preset value (eg. 0.1-1.5 lux), then deterrnining the value of a forrnula H l. -H . ' transmitting a preparatory lighting signal to the controller 4 When the value of the z~1 9 forrnula H l. -H H is greater than 0.
    Ji Hi Xi Si T146 250 -104 2.3 148 246 -98 2.18 0.12150 255 -105 1.82 0.36151 248 -97 1.80 0.02153 253 -100 1.48 0.32150 245 -95 1.66 0.18147 256 -109 1.77 0.11145 243 -98 1.61 0.16143 251 -108 1.60 0.01144 247 -103 1.44 0.16 It is noted that the first light intensity inforrnation Hi and the second light intensity inforrnation Ji are not limited to the values listed above. The first preset value can be (TmaXJfTm1n)/2.
    The data analysis module 3 is configured to transmit a preparatory lighting signal to thecontroller 4 according to the processing method described above When processing conditionsare met. The activity detection module 14 is configured to detect the activities of people in theexhibition hall in real time. The activity detection module 14 transmits an accessory lightingsignal to the controller 4 When detecting activities of people in the exhibition hall. Thecontroller 4 transmits a lighting signal to the exhibition hall light control module 6 Whenreceiving the accessory lighting signal transmitted by the activity detection module 14 and thepreparatory lighting signal transmitted by the data analysis module 3. The exhibition hall light control module 6 tums on exhibition hall lights for lighting When receiVing the lighting signal transmitted by the controller 4.
    In addition, the controller 4 transmits a lighting signal to the cabinet light control module 5when receiVing an accessory lighting signal transmitted by the activity detection module 14and a preparatory lighting signal transmitted by the data analysis module 3. The cabinet lightcontrol module 5 tums on cabinet lights for lighting when receiVing the lighting signal transmitted by the controller 4.
    Further, the power supply monitoring module 10 is configured to monitor the operation of thepower supply 12 of the exhibition hall lighting system in real time. The power supplymonitoring module 10 is configured to switch to the UPS power supply 11 for power supply when detecting the disconnection of the power supply 12.
    The power supply monitoring module 10 is configured to transmit a power supply alarm signalto the controller 4 when detecting disconnection of the power supply 12. The controller 4transmits the power supply alarm signal to the alarm module 9 when receiVing the powersupply alarm signal transmitted by the power supply monitoring module 10. The alarm module 9 raises an alarm when receiVing the power supply alarm signal transmitted by the controller 4.
    Furthermore, the controller 4 transmits the power supply alarm signal to the display module 8when receiVing the power supply alarm signal transmitted by the power supply monitoringmodule 10. The display module 8 automatically displays words of “disconnection of power supply” when receiVing the power supply alarm signal transmitted by the controller 4.
    The data analysis module 3 transmits a preparatory lighting signal to the controller 4 whenreceiving the second light intensity information Ji which is lower than a second preset Value.
    For example, the second preset Value can be 50-60 lux. 9 The data analysis module 3 is further configured to transmit a range lighting signal to thecontroller 4 When the light intensity difference is out of a first preset range (e.g. 90-110 lux).The controller 4 transmits a lighting signal to the residual light control module 7 Whenreceiving the range lighting signal transmitted by the data analysis module 3. The residual lightcontrol module 7 tums on lights except cabinet lights and exhibition hall lights for lighting When receiving the lighting signal transmitted by the controller 4.
    The data analysis module 3 transmits a regular lighting signal to the controller 4 When the lightintensity difference is out of a second preset range (e.g. 110-150 lux). The controller 4 isconfigured to transmit a lighting signal to the exhibition hall light control module 6 Whenreceiving the regular lighting signal transmitted by the data analysis module 3 in a first presettime period (e.g. 8:30-20:00). The exhibition hall light control module 6 tums on exhibition hall lights When receiving the lighting signal transmitted by the controller 4.
    The controller 4 is further configured to transmit an anti-theft signal to the alarm module 9When receiving an accessory lighting signal transmitted by the activity detection module 14 ina second preset time period (e.g. 20:30-8:00). The alarm module 9 raises an alarm When receiving the anti-theft signal transmitted by the controller 4.
    The controller 4 is further configured to transmit an anti-theft signal to the display module 8When receiving an accessory lighting signal transmitted by the activity detection module 14 ina third preset time period (e. g. 20:30-8:00). The display module 8 displays Words of “abnormal activities” When receiving the anti-theft signal transmitted by the controller 4.In one embodiment, When the first light intensity sensor 1 and the second light intensity sensor 2 transmit first light intensity information Hi and second light intensity information Ji to the data analysis module 3, the data analysis module 3 automatically derives light intensity differences and transmits a preparatory lighting signal to the controller 4 When a light intensity difference is out of a preset range.
    At the same time, When the activity detection module 14 detects activities of people in theexhibition hall, the activity detection module l4 transmits an accessory lighting signal to thecontroller 4. The controller 4 transmits a lighting signal to the exhibition hall light controlmodule 6 When receiving the accessory lighting signal transmitted by the activity detectionmodule l4 and the preparatory lighting signal transmitted by the data analysis module 3. Atthis time, the exhibition hall light control module 6 turns on exhibition hall lights for lightingWhen receiving the lighting signal transmitted by the controller 4 and the cabinet light control module 5 drives and controls cabinet lights in exhibition cabinets to be tumed on.
    In another embodiment, the first light intensity sensor l and the second light intensity sensor2 transmit first light intensity information Hi and second light intensity information Ji to thedata analysis module 3. The data analysis module 3 is configured to transmit a range lightingsignal to the controller 4 When a light intensity difference is out of a first preset range. Thecontroller 4 transmits a lighting signal to the residual light control module 7 When receivingthe range lighting signal transmitted by the data analysis module 3. The residual light controlmodule 7 drives and controls lights except cabinet lights and exhibition hall lights to be tumedon for lighting When receiving the lighting signal transmitted by the controller 4, as so to maintain the lighting of hallWays in the exhibition hall.
    In yet another embodiment, the controller 4 is further configured to transmit an anti-theft signalto the alarm module 9 When receiving an accessory lighting signal transmitted by the activitydetection module 14 in a second preset time period. In the second preset time period, there arefew activities of people. The alarm module 9 raises an alarm When receiving the anti-theft signal transmitted by the controller 4. 11 At the same time, the controller 4 transmits an anti-theft signal to the display module 8 Whenreceiving an accessory lighting signal transmitted by the activity detection module 14 in a thirdpreset time period. The display module 8 displays Words of “abnorrnal activities” on the screenWhen receiving the anti-theft signal transmitted by the controller 4 so as to remind the Working staff.
    The design of a first light intensity sensor l and a second light intensity sensor 2 in a controlsystem for exhibition hall lighting circuit enables the system to automatically tum on lights inan exhibition hall for lighting When the light intensity in the exhibition hall satisfies certainrequirements. The configuration of a data analysis module 3 enables the system to detect thelight intensity information in the exhibition hall effectively. The configuration of an activitydetection module 14 enables the system to tum on exhibition hall lights and cabinet lights inthe exhibition hall When the light intensity difference is out of a certain range and there areactivities of people in the exhibition hall. When it is in a second preset time period and acontroller 4 detects that exhibition hall lights need to be tumed on, an alarm module 9 raises an alarm automatically. The present patent application is simple, effective and easy to use.
    While the present patent application has been shown and described With particular referencesto a number of embodiments thereof, it should be noted that various other changes or modifications may be made Without departing from the scope of the present invention. 12
    权利要求:
    Claims (10)
    [1] 1. l. A control system for exhibition hall lighting circuit comprising: a first light intensity sensor (l); a second light intensity sensor (2); a data analysis module (3); a controller (4); a cabinet light control module (5); an exhibition hall light control module (6); a residual light control module (7); a display module (8); an alarm module (9); a power supply monitoring module (l0); a UPS power supply (l l); a power supply (l2); a time synchronization module (l3); and an activity detection module (l4); wherein: the cabinet light control module (5) is configured to control operation of cabinet lights indisplay cabinets in an exhibition hall; the exhibition hall light control module (6) is configured to control operation of hall lights inthe exhibition hall; the residual light control module (7) is configured to control operation of lights except cabinetlights and exhibition hall lights; the first light intensity sensor (l) is disposed in the exhibition hall and configured to acquirean information group of first light intensity information (Hi) produced at preset time intervalsin the exhibition hall; the second light intensity sensor (2) is disposed outside the exhibition hall and configured todetect in real time an information group of second light intensity information (Ji) produced at the preset time intervals outside the exhibition hall; 13 the time synchronization module (13) is synchronized With the Intemet time; the controller (4) is configured to acquire time information of the Intemet in real time; the first light intensity sensor (l) is configured to transmit the first light intensity information(Hi) to the data analysis module (3); the second light intensity sensor (2) is configured to transmit the second light intensityinformation (Ji) to the data analysis module (3); the data analysis module (3) is configured to process the first light intensity information (Hi)and the second light intensity information (J i) according to a processing method; the processing method comprises the following steps: step l: deriving a light intensity difference (Xl) by subtracting the first light intensityinformation (Hi) from the second light intensity information (Ji); step 2: automatically deriving a plurality of light intensity differences (Xi) (i=2...n) at thepreset time intervals after deriving the initial light intensity difference (Xl); step 3: deriving average light intensity differences (O) in real time and deriving light intensity . . . 1 f N . . .values (Si) in accordance With a formula S, = W 2(Xl. - O)2 , Where Si represents an ith lightí:l intensity Value, Xi represents an ith light intensity difference and O represents an average lightintensity difference, N is an integer greater than l, and i is an integer varying from l to N;step 4: deriving real-time varied values (T) of light intensity values (Si) in accordance With aformula T= | Si-SH | , Where T represents a real-time varied value, Si represents an ith lightintensity value, Si.1represents a (i-l)th light intensity value, and i is an integer greater than l;step 5: deterrnining the first light intensity information (Hi) When the real-time varied value (T) is greater than a first preset value, then determining the value of a forrnula H l. - H H , Where Hi represents an ith first light intensity information, Hi-1 represents a (i-l)th first light intensityinformation, and i is an integer greater than l; transmitting a preparatory lighting signal to the controller (4) When the value of the forrnula H l. -H H is greater than 0, Where Hi represents an ith first light intensity information and Hi.1 represents a (i-l)th first light intensity information and i is an integer greater than l; 14 the data analysis module (3) is configured to transmit a preparatory lighting signal to thecontroller (4) according to the processing method when processing conditions are met; the activity detection module (14) is configured to detect activities of people in the exhibitionhall in real time and transmit an accessory lighting signal to the controller (4) when detectingactivities of people in the exhibition hall; the controller (4) transmits a lighting signal to the exhibition hall light control module (6) whenreceiving the accessory lighting signal transmitted by the activity detection module (14) andthe preparatory lighting signal transmitted by the data analysis module (3); and the exhibition hall light control module (6) tums on exhibition hall lights for lighting whenreceiving the lighting signal transmitted by the controller (4).
    [2] 2. The control system for exhibition hall lighting circuit of claim 1, wherein the controller (4)transmits a lighting signal to the cabinet light control module (5) when receiving an accessorylighting signal transmitted by the activity detection module (14) and a preparatory lightingsignal transmitted by the data analysis module (3); the cabinet light control module (5) tums on cabinet lights for lighting when receiving the lighting signal transmitted by the controller (4).
    [3] 3. The control system for exhibition hall lighting circuit of claim 1, wherein the power supplymonitoring module (10) is configured to monitor operation of the power supply (12) of theexhibition hall lighting system in real time, to switch to the UPS power supply (11) for powersupply when detecting disconnection of the power supply (12), and to transmit a power supply alarm signal to the controller (4) when detecting disconnection of the power supply (12).
    [4] 4. The control system for exhibition hall lighting circuit of claim 3, wherein the controller (4)is configured to transmit the power supply alarm signal to the alarm module (9) when receivingthe power supply alarm signal transmitted by the power supply monitoring module (10), thealarm module (9) raises an alarm when receiving the power supply alarm signal transmitted by the controller (4).
    [5] 5. The control system for exhibition hall lighting circuit of claim 4, wherein the controller (4)transmits the power supply alarrn signal to the display module (8) when receiving the powersupply alarrn signal transmitted by the power supply monitoring module (l0); the displaymodule (8) automatically displays words of “disconnection of power supply” when receiving the power supply alarrn signal transmitted by the controller (4).
    [6] 6. The control system for exhibition hall lighting circuit of claim l, wherein the data analysismodule (3) transmits a preparatory lighting signal to the controller (4) when receiving second light intensity information (Ji) which is lower than a second preset Value.
    [7] 7. The control system for exhibition hall lighting circuit of claim l, wherein the data analysismodule (3) is further conf1gured to transmit a range lighting signal to the controller (4) whenthe light intensity difference is out of a first preset range; the controller (4) transmits a lightingsignal to the residual light control module (7) when receiving the range lighting signaltransmitted by the data analysis module (3); the residual light control module (7) turns on lightsexcept cabinet lights and exhibition hall lights for lighting when receiving the lighting signaltransmitted by the controller (4).
    [8] 8. The control system for exhibition hall lighting circuit of claim l, wherein the data analysismodule (3) transmits a regular lighting signal to the controller (4) when the light intensitydifference is out of a second preset range; the controller (4) is configured to transmit a lightingsignal to the exhibition hall light control module (6) when receiving the regular lighting signaltransmitted by the data analysis module (3) in a first preset time period; the exhibition halllight control module (6) tums on exhibition hall lights when receiving the lighting signal transmitted by the controller (4).
    [9] 9. The control system for exhibition hall lighting circuit of claim l, wherein the controller (4) is further conf1gured to transmit an anti-theft signal to the alarrn module (9) when receiving an 16 accessory lighting signal transmitted by the activity detection module (14) in a second presettime period; the alarm module (9) raises an alarrn When receiving the anti-theft signal transmitted by the controller (4).
    [10] 10. l0. The control system for exhibition hall lighting circuit of claim l, Wherein the controller (4)is further configured to transmit an anti-theft signal to the display module (8) When receivingan accessory lighting signal transmitted by the activity detection module (14) in a third presettime period; the display module (8) displays Words of “abnormal activities” When receiving the anti-theft signal transmitted by the controller (4). 17
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    同族专利:
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    引用文献:
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    法律状态:
    2021-09-14| NAV| Patent application has lapsed|
    优先权:
    申请号 | 申请日 | 专利标题
    SE1930207|2019-06-19|
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