• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    System for detecting cracks in metal tubular parts in induction furnaces that allows detecting a fall in the tubular piece, when moving inside the furnace, of at least 30% of the electric power supplied by the furnace, said system a power meter, a data storage device, a data processing means and an alarm device. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2660905A1
    申请号:ES201730563
    申请日:2017-03-31
    公开日:2018-03-26
    发明作者:Manel ANTEQUERA MEDINA；Lluís Maria RIERA FONTANA；Núria；FERRER CRUSELLAS；Albert CODINA BANÚS；Albert MASÓ DONADEU
    申请人:La Farga Tub SL；
    IPC主号:
    专利说明:

    DESCRIPTION

    Fissure detection system of metal tubular parts in induction furnaces.

    Field of technique 5

    The present invention refers to a system for detecting cracks in metal tubular parts in induction furnaces.

    Consequently, the scope of the present invention is within the sector of the production of metal tubular parts through induction furnaces.

    Prior State of the Art

    The production of metallic tubular parts through induction furnaces presents the problem that before the metallic tubular part enters the oven it may have cracks or during its stay in said oven cracks may occur. Such cracks prevent subsequent correct handling, treatment and use of the tubular part, making it unusable.
     twenty
    For this reason, it is necessary a system for detecting cracks of metal tubular parts in induction furnaces that allows detecting and acting quickly to discard said tubular part.

    Explanation of the invention

    The present invention has as its main purpose to solve the need mentioned above.

    To this end, it has been proven that a metallic tubular part has cracks that make it unusable when said tubular part moves through the inside of an induction furnace that supplies an electric power inside and said electric power falls somewhere in the tubular piece below 30% of the electrical power supplied by the oven. Specifically, the point of the tubular part at which the electrical power falls by 30% of the value of the electrical power supplied by the oven means that it has a crack. 35
    Well, the system for detecting cracks of metal tubular parts in induction furnaces according to the invention has the main purpose of detecting a fall in the tubular part when it travels inside the oven of at least 30% of the electrical power supplied by the oven.
     5
    The induction furnace comprises at least one input and one output prepared to receive a platform that is configured to move, in a certain range of speeds, the tubular piece along said induction furnace. The platform speed range is 0 m / min to 90 m / min and preferably 0 m / min to 40 m / min.
     10
    The induction oven allows to regulate the temperature inside from the level of electrical power. Preferably, the induction furnace has a maximum electric power of 500 KW.

    The detection system according to the invention comprises at least:
    - An electric power meter configured to, once the tubular part moves through the interior of the oven, obtain the value of the electrical power along the length of the tubular part and store said values in a data storage device ;
    - Data storage device intended to store the data of the 20 values of the electric power obtained by the electric power meter;
    - Data processing means configured to activate an alarm device when one of the electric power values obtained by the electric power meter is at least 30% below the electric power supplied by the oven; 25
    - Alarm device configured to be activated through the data processing means.

    In a preferred embodiment of the detection system, the alarm device is configured to emit a light and / or acoustic signal. 30


    Brief description of the drawings

    The foregoing and other advantages and features will be more fully understood from the following detailed description of some embodiments with reference to the attached drawings, which should be considered by way of illustration and not limitation, in which:
    - Fig. 1 represents a scheme of the system for detecting cracks of metal tubular parts in induction furnaces according to the invention.

    Detailed description of an embodiment example
     10
    In Fig. 1 a scheme of the detection system of cracks of metallic tubular parts (6) in induction furnaces (3) according to the invention is shown.

    The induction furnace (3) comprises at least one inlet and one outlet configured to receive the tubular part and a platform configured to move the tubular part along the induction furnace at a maximum speed of 40 m / min.

    The induction furnace (3) has a maximum electric power of 500 KW.

    The detection system comprises: 20
    - An electric power meter (2) configured so that, once the tubular part (6) moves inside the oven (3), it obtains the value of the electric power along the length of the tubular part and store these values in a data storage device (4);
    - Data storage device (4) intended to store the data of the 25 electrical power values obtained by the electric power meter (2);
    - Data processing means (5) configured to activate an alarm device (7) when one of the electrical power values obtained by the electric power meter is 30% below the maximum working electrical power;
    - Alarm device (7) configured to be activated through the data processing means.


    权利要求:
    Claims (2)
    [1]

    1. Fissure detection system of metal tubular parts in induction furnaces of which they are capable of supplying an electric power and comprising at least one input and an output configured to receive a platform configured to move the tubular part 5 to the length of the oven, characterized in that said system comprises at least:
    - An electrical power meter configured so that, once the tubular part moves through the interior of the oven, it obtains the value of the electrical power along the length of the tubular part and stores said values in a storage device. of data;
    - Data storage device intended to store the data of the electric power values obtained by the electric power meter;
    - Data processing means configured to activate an alarm device when one of the electric power values obtained by the electric power meter 15 is 30% below the electric power supplied by the oven;
    - Alarm device configured to be activated through the data processing means.

    [2]
    2. Fissure detection system of metal tubular parts in induction furnaces 20 according to claim 1 wherein the alarm device is configured so that when activated it emits a light and / or acoustic signal.
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    同族专利:
    公开号 | 公开日
    ES2660905B1|2018-11-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4506131A|1983-08-29|1985-03-19|Inductotherm Industries Inc.|Multiple zone induction coil power control apparatus and method|
    US4668851A|1985-09-06|1987-05-26|Minnesota Mining And Manufacturing Company|Circuitry for control of the temperature of a heating element adapted to be contacted by a material to be heated|
    US4897518A|1987-03-06|1990-01-30|Tocco, Inc.|Method of monitoring induction heating cycle|
    EP0804050A2|1996-04-22|1997-10-29|Illinois Tool Works Inc.|Inductive heating system|
    EP2210961A1|2007-09-13|2010-07-28|Neturen Co., Ltd.|High-frequency hardening monitor device|
    US20110249115A1|2010-04-07|2011-10-13|Marc Genest|Apparatus for crack detection during heat and load testing|
    法律状态:
    2018-11-30| FG2A| Definitive protection|Ref document number: 2660905 Country of ref document: ES Kind code of ref document: B1 Effective date: 20181130 |
    2019-01-23| PC2A| Transfer of patent|Owner name: LA FARGA YOURCOPPERSOLUTIONS, S.A. Effective date: 20190117 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201730563A|ES2660905B1|2017-03-31|2017-03-31|Fissure detection system of metal tubular parts in induction furnaces|ES201730563A| ES2660905B1|2017-03-31|2017-03-31|Fissure detection system of metal tubular parts in induction furnaces|
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