Mining electrical equipment component fault detection system

Abstract

The utility model provides a fault detection system for components of mining electrical equipment, which belongs to the technical field of coal mine fault detection and integrates voltage grades required by electronic components in the mining electrical equipment, when the mining electrical equipment fails, an input power supply wiring terminal is connected with 1140V voltage of an underground power supply system, and the input power supply wiring terminal is connected with the 1140V voltage of the underground power supply system. The alternating-current power supply wiring terminal and the direct-current power supply wiring terminal can output detection voltages of different grades and are connected with electronic components of corresponding types and models, whether the electronic components are damaged or not can be judged by observing whether the corresponding voltages reach rated voltages or not, and the whole system is complete in function, convenient to use, safe, simple, high in use value and suitable for popularization and application. The detection requirements of various electronic components are met, and the problem that underground maintenance of mining electrical equipment is difficult can be solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mine fault detection, and specifically discloses a mine-used electrical equipment component fault detection system. BACKGROUND

[0002] The mine-used electrical equipment includes various electronic components such as diodes, triodes, resistors and capacitors, and a control loop is formed by the numerous electronic components; as the centralization and the intelligent degree of the mine-used electrical equipment are higher and higher, the voltage grades corresponding to different types and different models of the electronic components are different; when the electronic components are damaged, the 1140V voltage power supply system in the mine is difficult to directly perform pressure detection on various electronic components, leading to difficulty in detection in the mine. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a mine-used electrical equipment component fault detection system, can change fixed voltage in the mine into different voltages, satisfies the detection requirement of various electronic components, and improves the problem of difficult maintenance of the mine-used electrical equipment in the mine.

[0004] The mine electric appliance component fault detection system, comprising an input power connection terminal, a first fuse, a first transformer, a second fuse, a second transformer, an alternating current power module, an alternating current power connection terminal, an alternating current power display module, a direct current power module, a direct current power connection terminal, a direct current power display module and a transistor test module; the L terminal of the input power connection terminal is connected with the input end of the first fuse, the output end of the first fuse is connected with the first end of the primary winding of the first transformer, the N terminal of the input power connection terminal is connected with the second end of the primary winding of the first transformer, the first end of the secondary winding of the first transformer is connected with the input end of the second fuse, the output end of the second fuse is connected with the first end of the primary winding of the second transformer, the second end of the secondary winding of the first transformer is connected with the second end of the primary winding of the second transformer, a plurality of groups of secondary windings with different voltage levels are arranged in the second transformer, the secondary winding of the second transformer is connected with the input end of the alternating current power module with the corresponding voltage level, the first output end of the alternating current power module is connected with the alternating current power connection terminal, the second output end of the alternating current power module is connected with the input end of the alternating current power display module, the third output end of the alternating current power module is connected with the input end of the direct current power module, the first output end of the direct current power module is connected with the direct current power connection terminal, the second output end of the direct current power module is connected with the input end of the direct current power display module, the third output end of the direct current power module is connected with the power terminal of the transistor test module; the first transformer is used for converting the external input voltage into 220V alternating voltage; the second transformer is used for converting the 220V alternating voltage into a plurality of different levels of alternating voltage; the direct current power module is used for converting the alternating voltage output by the alternating current power module into direct current voltage; the alternating current power display module and the direct current power display module adopt a voltmeter; the transistor test module is used for testing the function of the transistor.

[0005] The mine electric appliance component fault detection system further comprises a working illumination lamp and a working illumination lamp switch; the first end of the secondary winding of the first transformer, the working illumination lamp, the working illumination lamp switch, the second end of the secondary winding of the first transformer form a working illumination loop.

[0006] In the mine electric appliance component fault detection system, the first end and the second end of the secondary winding of the first transformer are further connected with a 220V safety voltage connection terminal.

[0007] The mine electric appliance component fault detection system further comprises a fan, a fan motor and a fan switch; a fan winding for supplying power to the fan is arranged in the secondary winding of the second transformer; the first end of the fan winding, the fan, the fan motor, the fan switch and the second end of the fan winding form a heat dissipation loop.

[0008] Compared with the prior art, the mine electric appliance component fault detection system has the following beneficial effects:

[0009] The mine electric appliance component fault detection system integrates the voltage levels required by electronic components in mine electric appliances, when the mine electric appliances have faults, the input power connection terminal is connected with the 1140V voltage of the underground power supply system, the AC power connection terminal and the DC power connection terminal can output different levels of detection voltage, which is connected with the corresponding type and model of electronic components, and whether the corresponding voltage reaches the rated voltage can be judged to determine whether the electronic components are damaged, the whole system is complete in functions, convenient to use, safe and simple, high in use value, meets the detection requirements of various electronic components, and can improve the difficult underground maintenance of mine electric appliances. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0011] Figure 1 It is the circuit schematic diagram of the mine electric appliance component fault detection system.

[0012] In the figure: 1-input power connection terminal; 2-first fuse; 3-first transformer; 4-second fuse; 5-second transformer; 6-AC power module; 7-AC power connection terminal; 8-AC power display module; 9-DC power module; 10-DC power connection terminal; 11-DC power display module; 12-transistor test module; 13-working illumination lamp; 14-working illumination lamp switch; 15-fan; 16-fan motor; 17-fan switch; 18-220V safety voltage connection terminal; 19-third fuse. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application, unless otherwise defined, the technical terms or scientific terms used herein should be understood as the usual meaning by those skilled in the art in the field of the present application.

[0014] The terms "first", "second", and similar terms used in the patent application specification and claims do not denote any order, quantity, or importance, but are used to distinguish different components, and the terms "comprise" or "include" and similar terms mean that the elements or objects listed before the terms cover the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects.

[0015] Embodiment 1

[0016] The embodiment provides a mine electrical equipment component fault detection system, which comprises an input power terminal 1, a first fuse 2, a first transformer 3, a second fuse 4, a second transformer 5, an alternating current power module 6, an alternating current power terminal 7, an alternating current power display module 8, a direct current power module 9, a direct current power terminal 10, a direct current power display module 11, a transistor test module 12, a working illumination lamp 13, a working illumination lamp switch 14, a fan 15, a fan motor 16 and a fan switch 17, all of which are existing products. The alternating current power module 6 and the direct current power module 9 can refer to the relevant description in the socket plate with an alternating current power module and a direct current power module CN201717454U, and the transistor test module 12 can refer to a production control system and method for an insulated gate bipolar transistor CN116453982A, a transistor test circuit and method CN105825889A, a semiconductor memory device and a semiconductor device.

[0017] The L (firewire) end of the input power connection terminal 1 is connected with the input end of the first fuse 2, the output end of the first fuse 2 is connected with the first end of the primary winding of the first transformer 3, the N (zero wire) end of the input power connection terminal 1 is connected with the second end of the primary winding of the first transformer 3, the first end of the secondary winding of the first transformer 3 is connected with the input end of the second fuse 4, the output end of the second fuse 4 is connected with the first end of the primary winding of the second transformer 5, the second end of the secondary winding of the first transformer 3 is connected with the second end of the primary winding of the second transformer 5, the second transformer 5 is provided with multiple groups of secondary windings of different voltage levels, the secondary winding of the second transformer 5 is connected with the input end of the AC power module 6 of the corresponding voltage level, the first output end of the AC power module 6 is connected with the AC power connection terminal 7, the second output end of the AC power module 6 is connected with the input end of the AC power display module 8, the third output end of the AC power module 6 is connected with the input end of the DC power module 9, the first output end of the DC power module 9 is connected with the DC power connection terminal 10, the second output end of the DC power module 9 is connected with the input end of the DC power display module 11, the third output end of the DC power module 9 is connected with the power end of the transistor test module 12; the first transformer 3 is used for converting the external input voltage into 220V AC voltage; the second transformer 5 is used for converting the 220V AC voltage into multiple different levels of AC voltage; the DC power module 9 is used for converting the AC voltage output by the AC power module 6 into DC voltage; the AC power display module 8 and the DC power display module 11 adopt a voltmeter; the transistor test module 12 is used for function test of the transistor.

[0018] The first end of the secondary winding of the first transformer, the working illumination lamp 13, the working illumination lamp switch 14, and the second end of the secondary winding of the first transformer constitute a working illumination circuit.

[0019] The secondary winding of the second transformer 5 is provided with a fan winding for powering the fan; the first end of the fan winding, the fan 15, the fan motor 16, the fan switch 17, and the second end of the fan winding constitute a heat dissipation circuit.

[0020] The above mine electrical equipment component fault detection system integrates the voltage levels required by the electronic components in the mine electrical equipment. When the mine electrical equipment fails, the input power connection terminal 1 is connected with the 1140V voltage of the underground power supply system, and the 1140V voltage is converted into different levels of detection voltage through the first transformer 3 and the second transformer 5. The AC power connection terminal 7 and the DC power connection terminal 10 are connected with the corresponding types and models of electronic components to supply power for them, and the corresponding voltage display numbers are observed to determine whether the voltage reaches the rated voltage of the electronic components to determine whether the electronic components are damaged. The working illumination lamp switch 14 is closed, the working illumination lamp 13 provides a light source to adapt to the dim environment underground, ensures the accuracy of the voltage meter reading, the fan switch 17 is closed, the fan motor 16 drives the fan 15 to rotate for heat dissipation and cooling. The fuse avoids circuit overload and short circuit. The entire system is complete in function, convenient to use, safe and simple, high in use value, meets the detection requirements of various electronic components, and can improve the difficulty of underground maintenance of mine electrical equipment.

[0021] Embodiment 2

[0022] In this embodiment, the first end and the second end of the secondary winding of the first transformer 3 are also connected with the 220V safety voltage connection terminal 18, which can provide a 220V safety isolation voltage.

[0023] The secondary winding of the second transformer 5 is provided with an output voltage of 6V AC voltage, 12V AC voltage, 24V AC voltage, 36V AC voltage and 127V AC voltage. The AC power module includes 6V AC power module, 12V AC power module, 24V AC power module, 36V AC power module and 127V AC power module corresponding to 6V AC voltage, 12V AC voltage, 24V AC voltage, 36V AC voltage and 127V AC voltage. The third fuse 19 is installed between the secondary winding of 127V AC voltage and the 127V AC power module. The voltage below 36V is a safety voltage, so the fuse can not be configured.

[0024] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A mine electrical equipment component fault detection system, comprising an input power terminal, a first fuse, a first transformer, a second fuse, a second transformer, an AC power module, an AC power terminal, an AC power display module, a DC power module, a DC power terminal, a DC power display module and a transistor test module; characterized in that the L terminal of the input power terminal is connected with the input terminal of the first fuse, the output terminal of the first fuse is connected with the first terminal of the primary winding of the first transformer, the N terminal of the input power terminal is connected with the second terminal of the primary winding of the first transformer, the first terminal of the secondary winding of the first transformer is connected with the input terminal of the second fuse, the output terminal of the second fuse is connected with the first terminal of the primary winding of the second transformer, the second terminal of the secondary winding of the first transformer is connected with the second terminal of the primary winding of the second transformer, the second transformer is provided with a plurality of groups of secondary windings with different voltage levels, the secondary winding of the second transformer is connected with the input terminal of the AC power module with the corresponding voltage level, the first output terminal of the AC power module is connected with the AC power terminal, the second output terminal of the AC power module is connected with the input terminal of the AC power display module, the third output terminal of the AC power module is connected with the input terminal of the DC power module, the first output terminal of the DC power module is connected with the DC power terminal, the second output terminal of the DC power module is connected with the input terminal of the DC power display module, and the third output terminal of the DC power module is connected with the power terminal of the transistor test module; the first transformer is used for converting external input voltage into 220V AC voltage; the second transformer is used for converting 220V AC voltage into a plurality of different levels of AC voltage; the DC power module is used for converting AC voltage output by the AC power module into DC voltage; the AC power display module and the DC power display module adopt a voltmeter; the transistor test module is used for function test of the transistor.

2. The mine electrical device component fault detection system of claim 1, wherein, a working illumination lamp and a working illumination lamp switch are further included; the first terminal of the secondary winding of the first transformer, the working illumination lamp, the working illumination lamp switch, and the second terminal of the secondary winding of the first transformer constitute a working illumination loop.

3. The mine electrical device component failure detection system of claim 1 or 2, wherein, the first terminal and the second terminal of the secondary winding of the first transformer are further connected with a 220V safety voltage terminal.

4. The mine electrical device component fault detection system of claim 1, wherein, a fan, a fan motor and a fan switch are further included; the fan winding is arranged in the secondary winding of the second transformer and is used for supplying power to the fan; the first terminal of the fan winding, the fan, the fan motor, the fan switch and the second terminal of the fan winding constitute a heat dissipation loop.

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