Automatic arc discharge detection machine

Abstract

The utility model relates to the field of detection machines, in particular to an automatic arc discharge detection machine. The detection machine comprises a cabinet, an electric arc generating device, an input and output device, an oscilloscope, an industrial personal computer, a direct current simulation power supply and an electric arc network detection board group, and the electric arc generating device, the input and output device, the oscilloscope, the industrial personal computer, the direct current simulation power supply and the electric arc network detection board group are all installed in the cabinet. The direct current simulation power supply and the input and output equipment are electrically connected to the arc network detection board group, the arc network detection board group and the oscilloscope are electrically connected to the arc generation device, the arc generation device and the oscilloscope are connected to a product to be detected, and the input and output equipment and the oscilloscope are electrically connected to the industrial personal computer. According to the utility model, an electric arc phenomenon is generated through the electric arc generating device, and various tests are provided for the inverter through the electric arc network detection board group. According to the invention, the detection efficiency of the inverter is improved.

Description

Technical Field

[0001] The utility model relates to the field of detection machines, in particular to an automatic arc detection machine. Background Art

[0002] Photovoltaic inverters have been fully integrated into daily life in the process of development in recent years. Therefore, in various safety accidents worldwide, photovoltaic inverters have a high frequency of fires and cause great losses. However, the existing inverter testers have single functions and low detection efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to solve the technical problem described in the background technology, the utility model provides an automatic arc detection machine. The arc phenomenon is generated by an arc generating device, and a plurality of tests are provided for the inverter by an arc network detection board group. The application improves the detection efficiency of the inverter.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An automatic arc detection machine comprises a cabinet, an arc generating device, an input / output device, an oscilloscope, an industrial computer, a DC analog power supply, and an arc network detection board group. The arc generating device, the input / output device, the oscilloscope, the industrial computer, the DC analog power supply, and the arc network detection board group are all installed in the cabinet, the DC analog power supply and the input / output device are all electrically connected to the arc network detection board group, the arc network detection board group and the oscilloscope are all electrically connected to the arc generating device, the arc generating device and the oscilloscope are connected to a product to be tested, and the input / output device and the oscilloscope are all electrically connected to the industrial computer.

[0006] Specifically, the arc network detection board group includes several arc network test boards, the arc network test board includes a decoupling network module and an array impedance network module, the DC simulation power supply is connected to the decoupling network module, the decoupling network module is connected to the array impedance network module, and the array impedance network module is connected to the arc generating device.

[0007] Specifically, the input-output device is a touch screen.

[0008] Specifically, an exhaust fan is installed on the top of the cabinet.

[0009] Specifically, a heat dissipation opening is provided on the back plate of the cabinet.

[0010] Specifically, a perspective window is provided on the front panel of the cabinet.

[0011] The beneficial effects of the utility model are as follows: the utility model provides an automatic arc detection machine. The arc phenomenon is generated by an arc generating device, and a plurality of tests are provided for the inverter by an arc network detection board group. The application improves the detection efficiency of the inverter. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model from a first viewing angle;

[0014] Figure 2 It is a structural schematic diagram of the second viewing angle of the utility model;

[0015] Figure 3 It is a circuit diagram of the arc network test board of the utility model;

[0016] In the figure, 1. Cabinet, 2. Arc generating device, 3. Input and output equipment, 4. Oscilloscope, 5. Industrial computer, 6.

[0017] DC simulation power supply, 7. Arc network detection board set, 8. Exhaust fan, 9. Heat dissipation port, 10. Perspective window. DETAILED DESCRIPTION

[0018] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0019] Figure 1 It is a structural schematic diagram of the utility model from a first viewing angle; Figure 2 This is the second perspective of the utility model

[0020] Structural diagram; Figure 3 It is a circuit diagram of the arc network test board of the utility model.

[0021] Combined with Figure 1 and attached Figure 2 As shown, an automatic arc detection machine includes a cabinet 1, an arc generating device 2, an input-output device 3, an oscilloscope 4, an industrial computer 5, a DC analog power supply 6, and an arc network detection board group 7. The arc generating device 2, the input-output device 3, the oscilloscope 4, the industrial computer 5, the DC analog power supply 6, and the arc network detection board group 7 are all installed in the cabinet 1, the DC analog power supply 6 and the input-output device 3 are all electrically connected to the arc network detection board group 7, the arc network detection board group 7 and the oscilloscope 4 are all electrically connected to the arc generating device 2, the arc generating device 2 and the oscilloscope 4 are connected to the product to be tested, and the input-output device 3 and the oscilloscope 4 are all electrically connected to the industrial computer 5.

[0022] The arc generating device 2 is used for arc fault detection of the inverter to be tested and generates an arc phenomenon.

[0023] As attached Figure 3 As shown, the arc network detection board group 7 includes several arc network test boards, the arc network test board includes a decoupling network module and an array impedance network module, the DC simulation power supply 6 is connected to the decoupling network module, the decoupling network module is connected to the array impedance network module, and the array impedance network module is connected to the arc generating device 2. The arc network detection board group 7 is used for AFCI arc fault circuit testing. The input and output devices 3 can realize the mutual switching of different arc network test boards.

[0024] The decoupling network module can decouple the power supply and DUT to avoid potential impact on the test product. The array impedance network module can simulate typical photovoltaic field installation conditions.

[0025] The input-output device 3 is a touch screen.

[0026] An exhaust fan 8 is installed on the top of the cabinet 1 .

[0027] A heat dissipation opening 9 is provided on the back plate of the cabinet 1 .

[0028] A perspective window 10 is provided on the front panel of the cabinet 1 .

[0029] The working method of the present application is: connect the product to be tested to the wiring port row on the cabinet 1 and turn on the equipment, start the arc generating device 2, the oscilloscope 4 reads the oscilloscope waveform, and the input and output device 3 displays all test data, thereby completing the AFCI arc fault circuit detection of the product workpiece.

[0030] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An automatic arc detection machine, characterized in that: The invention comprises a cabinet (1), an arc generating device (2), an input / output device (3), an oscilloscope (4), an industrial computer (5), a DC analog power supply (6), and an arc network detection board group (7); the arc generating device (2), the input / output device (3), the oscilloscope (4), the industrial computer (5), the DC analog power supply (6), and the arc network detection board group (7) are all installed in the cabinet (1); the DC analog power supply (6) and the input / output device (3) are all electrically connected to the arc network detection board group (7); the arc network detection board group (7) and the oscilloscope (4) are all electrically connected to the arc generating device (2); the arc generating device (2) and the oscilloscope (4) are connected to a product to be tested; and the input / output device (3) and the oscilloscope (4) are all electrically connected to the industrial computer (5).

2. The automatic arc detection machine according to claim 1, characterized in that: The arc network detection board group (7) comprises a plurality of arc network test boards, the arc network test boards comprise a decoupling network module and an array impedance network module, the DC simulation power supply (6) is connected to the decoupling network module, the decoupling network module is connected to the array impedance network module, and the array impedance network module is connected to the arc generating device (2).

3. The automatic arc detection machine according to claim 1, characterized in that: The input-output device (3) is a touch screen.

4. The automatic arc detection machine according to claim 1, characterized in that: An exhaust fan (8) is installed on the top of the cabinet (1).

5. The automatic arc detection machine according to claim 1, characterized in that: A heat dissipation opening (9) is provided on the back plate of the cabinet (1).

6. The automatic arc detection machine according to claim 1, characterized in that: A perspective window (10) is provided on the front panel of the cabinet (1).

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