A high-voltage cabinet electricity detection display device

Abstract

The application discloses a high-voltage cabinet electricity detection display device. The high-voltage cabinet electricity detection display device comprises a transmitting module and a receiving module arranged in the high-voltage cabinet. The transmitting module comprises a battery pack, a starting button, an LC tuning circuit and a first yellow LED display lamp. The LC tuning circuit converts the power provided by the battery pack into a changing magnetic field, and the first yellow LED display lamp displays the working state of the LC tuning circuit. The receiving module comprises a receiving coil, a second yellow LED display lamp, a green LED display lamp, a red LED display lamp, a grounding wire and a high-voltage electrode. The receiving coil induces an electromotive force in response to the changing magnetic field. The second yellow LED display lamp displays the power state of the receiving module, and the green LED display lamp and the red LED display lamp display the electrified state of the high-voltage end. When the high-voltage cabinet electrified display device fails, the high-voltage cabinet electricity detection display device can be used as a backup electricity detection device to obtain the electrified state of the conductor.

Description

TECHNICAL FIELD

[0001] The embodiment of the application relates to the technical field of high-voltage electrification detection, and particularly relates to a high-voltage cabinet electrification detection display device. BACKGROUND

[0002] With the continuous development of the power system, 10kV high-voltage switch cabinets are widely used in distribution networks, and their safe operation is crucial. The electrified display device, as a key component for ensuring personnel safety and prompting the charged state of the equipment, directly affects the operation safety. However, when a certain part of the electrified display device of the current 10kV high-voltage cabinet is problematic, the electrification detection circuit will fail. At this time, the electrified display device in front of and behind the high-voltage cabinet fails to correctly display the charged state of the conductor. SUMMARY

[0003] The application provides a high-voltage cabinet electrification detection display device to solve the problem that the electrified display device cannot display the charged state of the conductor after failure. When the electrified display device of the high-voltage cabinet fails, the high-voltage cabinet electrification detection display device can be used as a backup electrification detection device to obtain the charged state of the conductor.

[0004] According to an aspect of the application, a high-voltage cabinet electrification detection display device is provided, which comprises a transmitting module and a receiving module arranged in the high-voltage cabinet.

[0005] The transmitting module comprises a battery pack, a start button, an LC tuning circuit, and a first yellow LED display lamp. The positive electrode of the battery pack is connected to the first end of the start button. The second end of the start button is connected to the first end of the LC tuning circuit and the anode of the first yellow LED display lamp. The cathode of the first yellow LED display lamp is connected to the negative electrode of the battery pack and then grounded. The LC tuning circuit is used to convert the power provided by the battery pack into a varying magnetic field. The first yellow LED display lamp is used to display the state of the normal operation of the LC tuning circuit.

[0006] The receiving module comprises a receiving coil, a second yellow LED display lamp, a green LED display lamp, a red LED display lamp, a grounding wire, and a high-voltage electrode. The first end of the receiving coil is connected to the anode of the second yellow LED display lamp. The anode of the green LED display lamp, the anode of the red LED display lamp, and the high-voltage electrode are connected. The second end of the receiving coil is connected to the cathode of the second yellow LED display lamp. The cathode of the green LED display lamp, the cathode of the red LED display lamp, and the grounding wire are connected. The receiving coil induces an electromotive force in response to the varying magnetic field. The second yellow LED display lamp is used to display the power state of the receiving module. The green LED display lamp and the red LED display lamp are used to display the charged state of the high-voltage end.

[0007] Optionally, the LC tuning circuit comprises a transmitting coil, a first capacitor and a second capacitor, and the transmitting module further comprises a first diode;

[0008] A first end of the transmitting coil is connected with a first end of the first capacitor, a first end of the second capacitor, an anode of the first diode and the start button, a cathode of the first diode is connected with an anode of the first yellow LED display lamp, a second end of the transmitting coil is connected with a second end of the first capacitor, a second end of the second capacitor and a cathode of the first yellow LED display lamp.

[0009] Optionally, the transmitting module further comprises a fuse, which is connected between the start button and the LC tuning circuit.

[0010] Optionally, the transmitting module further comprises a three-terminal voltage regulator, a fifth capacitor and a sixth capacitor;

[0011] A first end of the three-terminal voltage regulator is connected with a positive pole of the battery pack, a second end of the three-terminal voltage regulator is connected with a negative pole of the battery pack, the fifth capacitor is connected between the first end of the three-terminal voltage regulator and the second end of the three-terminal voltage regulator, and the sixth capacitor is connected between the second end of the three-terminal voltage regulator and a third end of the three-terminal voltage regulator.

[0012] Optionally, the transmitting module further comprises a timer chip, a first resistor, a second resistor, a third capacitor and a fourth capacitor;

[0013] A first pin of the timer chip is grounded, a second pin and a sixth pin of the timer chip are connected with a first end of the third capacitor, a second end of the third capacitor is grounded, a third pin of the timer chip is grounded, a fourth pin of the timer chip is connected with the third end of the three-terminal voltage regulator, a fifth pin of the timer chip is connected with a first end of the fourth capacitor, a second end of the fourth capacitor is grounded, the second resistor is connected between the sixth pin and a seventh pin of the timer chip, an eighth pin of the timer chip is connected with the third end of the three-terminal voltage regulator, and the first resistor is connected between the eighth pin and the seventh pin of the timer chip.

[0014] Optionally, the transmitting module further comprises a third resistor, a fourth resistor, a fifth resistor, a first triode and a second transistor;

[0015] The first end of the third resistor is connected with the third pin of the timer chip, the second end of the third resistor is connected with the base of the first triode, the emitter of the first triode is connected with the second end of the second transistor and then grounded, the collector of the first triode is connected with the first end of the fourth resistor and the first end of the fifth resistor, the second end of the fourth resistor is connected with the eighth pin of the timer chip, the second end of the fifth resistor is connected with the control end of the second transistor, and the first end of the second transistor is connected with the cathode of the first yellow LED display lamp.

[0016] Optionally, the receiving module further comprises a first rectifier diode, a second rectifier diode, a third rectifier diode, a fourth rectifier diode and a filter capacitor.

[0017] The anode of the first rectifier diode is connected with the first end of the receiving coil and the cathode of the second rectifier diode, the anode of the third rectifier diode is connected with the second end of the receiving coil and the cathode of the fourth rectifier diode, the cathode of the first rectifier diode is connected with the cathode of the third rectifier diode and then connected with the first end of the filter capacitor, and the anode of the second rectifier diode is connected with the anode of the fourth rectifier diode and then connected with the second end of the filter capacitor.

[0018] Optionally, the receiving module further comprises an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor and an eleventh triode.

[0019] The first end and the second end of the eleventh resistor are connected with the first end and the second end of the filter capacitor respectively, the first end of the twelfth resistor is connected with the first end of the eleventh resistor and the first end of the fourteenth resistor, the second end of the twelfth resistor is connected with the anode of the second yellow LED display lamp, the first end of the thirteenth resistor is connected with the high-voltage electrode, the second end of the thirteenth resistor is connected with the base of the eleventh triode, the emitter of the eleventh triode is connected with the second end of the fourteenth resistor, and the collector of the eleventh triode is connected with the anode of the green LED display lamp.

[0020] Optionally, the receiving module further comprises a fifteenth resistor, a first optocoupler, a ninth diode and a twelfth triode.

[0021] The first end of the fifteenth resistor is connected with the first end of the fourteenth resistor, the second end of the fifteenth resistor is connected with the first end of the first optocoupler, the second end of the first optocoupler is connected with the cathode of the ninth diode, the anode of the ninth diode is connected with the ground wire, the base of the twelfth transistor is connected with the third end of the first optocoupler, the collector of the twelfth transistor is connected with the fourth end of the first optocoupler, and the emitter of the twelfth transistor is connected with the anode of the red LED display lamp.

[0022] Optionally, the receiving module further comprises: a second optocoupler, an eighth diode, a sixth resistor and a twelfth capacitor.

[0023] The first end of the second optocoupler is connected with the first end of the thirteenth resistor, the second end of the second optocoupler is connected with the first end of the fifteenth resistor, the third end of the second optocoupler is connected with the fourth end of the first optocoupler, the fourth end of the second optocoupler is connected with the cathode of the eighth diode, the anode of the eighth diode is connected with the first end of the sixth resistor, the second end of the sixth resistor is connected with the first end of the twelfth capacitor, and the second end of the twelfth capacitor is connected with the high-voltage electrode.

[0024] The technical scheme of the embodiment of the application provides a portable mobile wireless power supply high-voltage cabinet electric test display device, which can be flexibly and safely applied to a scene, and when the electric test display device of the high-voltage cabinet fails, the high-voltage cabinet electric test display device can be used as a backup electric test device to obtain the electric state of a conductor. The high-voltage cabinet electric test display device can flexibly, reliably and safely display the electric state of the current equipment for an operator after the electric test display device of the high-voltage cabinet fails, and the high-voltage cabinet electric test display device is easy to carry, can greatly improve work efficiency and ensure reliable operation of a power grid. In summary, the application solves the problem that the electric test display device in front of and behind the high-voltage cabinet fails and cannot correctly display the electric state of a conductor.

[0025] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the application, nor is it used to limit the scope of the application. Other features of the application will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0027] Figure 1is a circuit diagram of a transmitting module according to an embodiment of the present application;

[0028] Figure 2 is a circuit diagram of a receiving module according to an embodiment of the present application;

[0029] Figure 3 is a mounting schematic diagram of a high-voltage cabinet electricity testing display device according to an embodiment of the present application. DETAILED DESCRIPTION

[0030] In order to make the personnel in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0032] Figure 1 is a circuit diagram of a transmitting module according to an embodiment of the present application, Figure 2 is a circuit diagram of a receiving module according to an embodiment of the present application, Figure 1 and Figure 2 The embodiments of the present application provide a high-voltage cabinet electricity testing display device, and the high-voltage cabinet electricity testing display device comprises a transmitting module 10 and a receiving module 20 arranged in a high-voltage cabinet.

[0033] The transmitting module 10 comprises a battery, a starting button, an LC tuning circuit 11, a first yellow LED display lamp D2, the positive pole of the battery is connected with the first end of the starting button, the second end of the starting button is connected with the first end of the LC tuning circuit 11 and the anode of the first yellow LED display lamp D2, the cathode of the first yellow LED display lamp D2 is connected with the negative pole of the battery and then grounded, the LC tuning circuit 11 is used for converting the power provided by the battery into a changing magnetic field, and the first yellow LED display lamp D2 is used for displaying the state of normal working of the LC tuning circuit 11.

[0034] The receiving module 20 comprises a receiving coil L2, a second yellow LED display lamp D5, a green LED display lamp D6, a red LED display lamp D10, a grounding wire and a high-voltage electrode, the first end of the receiving coil L2 is connected with the anode of the second yellow LED display lamp D5, the anode of the green LED display lamp D6, the anode of the red LED display lamp D10 and the high-voltage electrode, the second end of the receiving coil L2 is connected with the cathode of the second yellow LED display lamp D5, the cathode of the green LED display lamp D6, the cathode of the red LED display lamp D10 and the grounding wire, the receiving coil L2 induces an electromotive force in response to the changing magnetic field, the second yellow LED display lamp D5 is used for displaying the power state of the receiving module 20, and the green LED display lamp D6 and the red LED display lamp D10 are used for displaying the electrified state of the high-voltage end.

[0035] Specifically, the transmitting module 10 and the receiving module 20 are separated, the transmitting module 10 is integrated in the handle shell and is portable and movable, and the receiving module 20 is separately packaged in another device and is arranged in a high-voltage cabinet.

[0036] The transmitting module 10 comprises a handle shell, a starting button, a battery, an LC tuning circuit 11 and a first yellow LED display lamp D2 which are integrated on a transmitting circuit board. The principle of the transmitting module 10 is that the LC tuning circuit 11 generates high-frequency alternating current through the power of the battery to convert electrical energy into a changing magnetic field. The starting button is used for turning on the loop of the above-mentioned circuit, and the first yellow LED display lamp D2 is used for displaying the state of normal working of the LC tuning circuit 11, and the bright first yellow LED display lamp D2 indicates that the transmitting module 10 is normal.

[0037] The receiving module 20 comprises a receiving coil L2, a receiving circuit board, three LED display lamps, a shell and a grounding wire. The principle of the receiving module 20 is mainly based on the electromagnetic induction phenomenon. When the LC tuning circuit 11 passes through the alternating current, a changing magnetic field is generated, and the receiving coil L2 in the changing magnetic field induces an electromotive force. The electromotive force is rectified by a diode and filtered by a capacitor, and then a stable direct-current power supply is provided for subsequent elements, such as Figure 2The receiving module 20 is equipped with three LED display lamps of different colors, the second yellow LED display lamp D5 is used for displaying the power supply state of the receiving module 20, and the bright state indicates that the receiving is normal. The red LED display lamp D10 and the green LED display lamp D6 are used for displaying the electrified state of the high-voltage end, the bright state of the red LED display lamp D10 indicates that the high-voltage end is electrified, and the bright state of the green LED display lamp D6 indicates that the high-voltage end is not electrified.

[0038] Figure 3 is a mounting schematic diagram of the high-voltage cabinet electrification display device provided according to the embodiment of the application, referring to Figure 1 , Figure 2 and Figure 3 When the high-voltage cabinet electrification display device is used, the receiving module is clamped on the conductor to be electrified, and the grounding wire is clamped on the grounding row. When the transmitting module is used, the battery pack is first installed into the battery slot, then the front end of the portable handle is attached to the outer wall of the high-voltage cabinet shell, the start button is pressed, the transmitting circuit is turned on, the first yellow LED display lamp D2 is bright, and the LC tuning circuit 11 generates a high-frequency alternating magnetic field. In the receiving module, the receiving coil L2 induces an electromotive force under the high-frequency magnetic field, and then outputs a stable direct-current voltage through rectification and filtering, and the second yellow LED display lamp D5 is bright. The high-voltage electrode is contacted with the conductor to be measured, if the high-voltage electrode is electrified, the red LED display lamp D10 is bright, and the green LED display lamp D6 is not bright. If the high-voltage end is not electrified, the red LED display lamp D10 is not bright, and the green LED display lamp D6 is bright. The high-voltage electrode functions to contact the conductor to be measured to obtain the potential of the conductor to be measured, so as to realize the electrification of the conductor to be measured.

[0039] The technical scheme of the embodiment of the application provides a portable mobile wireless power supply high-voltage cabinet electrification display device, which can be flexibly and safely applied to the scene, and can be used as a backup electrification device to obtain the electrified state of the conductor when the electrification display device of the high-voltage cabinet fails. The high-voltage cabinet electrification display device can flexibly, reliably and safely display the electrified state of the current equipment for the operator after the failure of the high-voltage cabinet electrification display device, and is easy to carry, can greatly improve the work efficiency, and ensures the reliable operation of the power grid. In summary, the application solves the problem that the electrification display devices in front of and behind the high-voltage cabinet fail to correctly display the electrified state of the conductor at this time.

[0040] Continue to refer to Figure 1 Optionally, the LC tuning circuit 11 comprises a transmitting coil L1, a first capacitor C1 and a second capacitor C2, and the transmitting module 10 further comprises a first diode D11;

[0041] The first end of the transmitting coil L1 is connected with the first end of the first capacitor C1, the first end of the second capacitor C2, the anode of the first diode D11 and the start button, the cathode of the first diode D11 is connected with the anode of the first yellow LED display lamp D2, the second end of the transmitting coil L1 is connected with the second end of the first capacitor C1, the second end of the second capacitor C2 and the cathode of the first yellow LED display lamp D2.

[0042] Specifically, the principle of the transmitting module 10 is that the LC tuning circuit 11 generates high-frequency alternating current through the power supply of the battery pack, and converts the electric energy into a changing magnetic field through the transmitting coil L1. The start button is used to turn on the loop of the above-mentioned circuit, and the first yellow LED display lamp D2 is used to display the state of the normal work of the transmitting coil L1. The brightness of the first yellow LED display lamp D2 indicates that the transmitting module 10 is normal.

[0043] With reference to the foregoing Figure 1 Optionally, the transmitting module 10 further comprises a fuse FUSE, which is connected between the start button and the LC tuning circuit 11.

[0044] Specifically, in order to protect the circuit elements, the fuse FUSE is connected in series in the high-frequency alternating current transmitting path.

[0045] With reference to the foregoing Figure 1 Optionally, the transmitting module 10 further comprises a three-terminal voltage regulator IC2, a fifth capacitor C5 and a sixth capacitor C6.

[0046] The first end of the three-terminal voltage regulator IC2 is connected with the positive pole of the battery pack, the second end of the three-terminal voltage regulator IC2 is connected with the negative pole of the battery pack, the fifth capacitor C5 is connected between the first end of the three-terminal voltage regulator IC2 and the second end of the three-terminal voltage regulator IC2, and the sixth capacitor C6 is connected between the second end of the three-terminal voltage regulator IC2 and the third end of the three-terminal voltage regulator IC2.

[0047] Specifically, the three-terminal voltage regulator IC2 can be a 7805 three-terminal voltage regulator. The main function of the 7805 three-terminal voltage regulator is to provide stable voltage output, which can stabilize the input voltage at about 5V. The 7805 three-terminal voltage regulator has functions such as overheat protection and short circuit protection, which can ensure the stable operation of the device under various working conditions.

[0048] With reference to the foregoing Figure 1 Optionally, the transmitting module 10 further comprises a timer chip IC1, a first resistor R1, a second resistor R2, a third capacitor C3 and a fourth capacitor C4.

[0049] The first pin 1 of the timer chip IC1 is grounded, the second pin 2 and the sixth pin 6 of the timer chip IC1 are connected with the first end of the third capacitor C3, the second end of the third capacitor C3 is grounded, the third pin 3 of the timer chip IC1 is grounded, the fourth pin 4 of the timer chip IC1 is connected with the third end of the three-terminal voltage regulator IC2, the fifth pin 5 of the timer chip IC1 is connected with the first end of the fourth capacitor C4, the second end of the fourth capacitor C4 is grounded, the second resistor R2 is connected between the sixth pin 6 and the seventh pin 7 of the timer chip IC1, the eighth pin 8 of the timer chip IC1 is connected with the third end of the three-terminal voltage regulator IC2, and the first resistor R1 is connected between the eighth pin 8 and the seventh pin 7 of the timer chip IC1.

[0050] With reference to the foregoing Figure 1 Optionally, the transmitting module 10 further comprises a third resistor R3, a fourth resistor R4, a fifth resistor R5, a first transistor T1 and a second transistor T2.

[0051] The first end of the third resistor R3 is connected with the third pin 3 of the timer chip IC1, the second end of the third resistor R3 is connected with the base of the first transistor T1, the emitter of the first transistor T1 is connected with the second end of the second transistor T2 and then grounded, the collector of the first transistor T1 is connected with the first end of the fourth resistor R4 and the first end of the fifth resistor R5, the second end of the fourth resistor R4 is connected with the eighth pin 8 of the timer chip IC1, the second end of the fifth resistor R5 is connected with the control end of the second transistor T2, and the first end of the second transistor T2 is connected with the cathode of the first yellow LED display lamp D2.

[0052] With reference to the foregoing Figure 2 Optionally, the receiving module 20 further comprises a first rectifier diode D1, a second rectifier diode D2, a third rectifier diode D3, a fourth rectifier diode D4 and a filter capacitor C11.

[0053] The anode of the first rectifier diode D1 is connected with the first end of the receiving coil L2 and the cathode of the second rectifier diode D2, the anode of the third rectifier diode D3 is connected with the second end of the receiving coil L2 and the cathode of the fourth rectifier diode D4, the cathode of the first rectifier diode D1 is connected with the cathode of the third rectifier diode D3 and then connected with the first end of the filter capacitor C11, and the anode of the second rectifier diode D2 is connected with the anode of the fourth rectifier diode D4 and then connected with the second end of the filter capacitor C11.

[0054] With reference to the foregoing Figure 2 Optionally, the receiving module 20 further comprises an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14 and an eleventh transistor Q1.

[0055] The first end and the second end of the eleventh resistor R11 are connected with the first end and the second end of the filter capacitor C11 respectively, the first end of the twelfth resistor R12 is connected with the first end of the eleventh resistor R11 and the first end of the fourteenth resistor R14, the second end of the twelfth resistor R12 is connected with the anode of the second yellow LED display lamp D5, the first end of the thirteenth resistor R13 is connected with the high voltage electrode, the second end of the thirteenth resistor R13 is connected with the base of the eleventh triode Q1, the emitter of the eleventh triode Q1 is connected with the second end of the fourteenth resistor R14, the collector of the eleventh triode Q1 is connected with the anode of the green LED display lamp D6.

[0056] With reference to the foregoing Figure 2 Optionally, the receiving module 20 further comprises: the fifteenth resistor R15, the first optocoupler U1, the ninth diode D9 and the twelfth triode Q2.

[0057] The first end of the fifteenth resistor R15 is connected with the first end of the fourteenth resistor R14, the second end of the fifteenth resistor R15 is connected with the first end of the first optocoupler U1, the second end of the first optocoupler U1 is connected with the cathode of the ninth diode D9, the anode of the ninth diode D9 is connected with the ground wire, the base of the twelfth triode Q2 is connected with the third end of the first optocoupler U1, the collector of the twelfth triode Q2 is connected with the fourth end of the first optocoupler U1, the emitter of the twelfth triode Q2 is connected with the anode of the red LED display lamp D10.

[0058] With reference to the foregoing Figure 2 Optionally, the receiving module 20 further comprises: the second optocoupler U2, the eighth diode D18, the sixth resistor R6 and the twelfth capacitor C12.

[0059] The first end of the second optocoupler U2 is connected with the first end of the thirteenth resistor R13, the second end of the second optocoupler U2 is connected with the first end of the fifteenth resistor R15, the third end of the second optocoupler U2 is connected with the fourth end of the first optocoupler U1, the fourth end of the second optocoupler U2 is connected with the cathode of the eighth diode D18, the anode of the eighth diode D18 is connected with the first end of the sixth resistor R6, the second end of the sixth resistor R6 is connected with the first end of the twelfth capacitor C12, the second end of the twelfth capacitor C12 is connected with the high voltage electrode.

[0060] Specifically, the receiving coil L2 in the receiving module 20 induces an electromotive force under a high-frequency magnetic field, and then outputs a stable direct-current voltage through the first rectifier diode D1, the second rectifier diode D2, the third rectifier diode D3, the fourth rectifier diode D4, and the filter capacitor C11, and the second yellow LED display lamp D5 is bright. If the high-voltage electrode is electrified, the first light-emitting diode D7 and the second light-emitting diode D8 in the first optocoupler U1 and the second optocoupler U2 emit light, the first optocoupler triode T11 and the second optocoupler triode T22 are turned on, the twelfth triode Q2 is turned on, the eleventh triode Q1 is not turned on, the red LED display lamp D10 is bright, and the green LED display lamp D6 is not bright. If the high-voltage electrode is not electrified, the first optocoupler triode T11 and the second optocoupler triode T22 in the first optocoupler U1 and the second optocoupler U2 are not turned on, the twelfth triode Q2 is not turned on, the eleventh triode Q1 is turned on, the red LED display lamp D10 is not bright, and the green LED display lamp D6 is bright.

[0061] The first light-emitting diode D7 and the second light-emitting diode D8 serve to emit light and are the conditions for turning on the second optocoupler triode T22 and the first optocoupler triode T22.

[0062] The above specific embodiments do not constitute a limitation on the protection scope of the present application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-voltage cabinet electric potential display device characterized by comprising: The utility model relates to a high voltage cabinet remote control device, including: a transmitting module and a receiving module arranged in a high voltage cabinet; the transmitting module includes a battery pack, a start button, an LC tuning circuit, and a first yellow LED display lamp, the positive pole of the battery pack is connected with the first end of the start button, the second end of the start button is connected with the first end of the LC tuning circuit and the anode of the first yellow LED display lamp, the second end of the LC tuning circuit is connected with the cathode of the first yellow LED display lamp and the negative pole of the battery pack and then grounded, the LC tuning circuit is used for converting the power supply provided by the battery pack into a varying magnetic field, and the first yellow LED display lamp is used for displaying the state of normal operation of the LC tuning circuit; the receiving module includes a receiving coil, a second yellow LED display lamp, a green LED display lamp, a red LED display lamp, a grounding wire, and a high voltage electrode, the first end of the receiving coil is connected with the anode of the second yellow LED display lamp, the anode of the green LED display lamp, the anode of the red LED display lamp, and the high voltage electrode, the second end of the receiving coil is connected with the cathode of the second yellow LED display lamp, the cathode of the green LED display lamp, the cathode of the red LED display lamp, and the grounding wire, the receiving coil induces an electromotive force in response to the varying magnetic field, the second yellow LED display lamp is used for displaying the power supply state of the receiving module, and the green LED display lamp and the red LED display lamp are used for displaying the electrified state of the high voltage end.

2. The apparatus of claim 1, wherein, the LC tuning circuit includes a transmitting coil, a first capacitor, and a second capacitor, and the transmitting module further includes a first diode; the first end of the transmitting coil is connected with the first end of the first capacitor, the first end of the second capacitor, the anode of the first diode, and the start button, the cathode of the first diode is connected with the anode of the first yellow LED display lamp, and the second end of the transmitting coil is connected with the second end of the first capacitor, the second end of the second capacitor, and the cathode of the first yellow LED display lamp.

3. The apparatus of claim 1, wherein, The transmitting module further includes a fuse connected between the start button and the LC tuning circuit.

4. The apparatus of claim 1, wherein, The transmitting module further includes a three-terminal voltage regulator, a fifth capacitor, and a sixth capacitor; the first end of the three-terminal voltage regulator is connected with the positive pole of the battery pack, the second end of the three-terminal voltage regulator is connected with the negative pole of the battery pack, the fifth capacitor is connected between the first end of the three-terminal voltage regulator and the second end of the three-terminal voltage regulator, and the sixth capacitor is connected between the second end of the three-terminal voltage regulator and the third end of the three-terminal voltage regulator; the transmitting module further includes a timer chip, a first resistor, a second resistor, a third capacitor, and a fourth capacitor; The first pin of the timer chip is grounded, the second pin and the sixth pin of the timer chip are connected with the first end of the third capacitor, the second end of the third capacitor is grounded, the third pin of the timer chip is grounded, the fourth pin of the timer chip is connected with the third end of the three-terminal voltage regulator, the fifth pin of the timer chip is connected with the first end of the fourth capacitor, the second end of the fourth capacitor is grounded, the second resistor is connected between the sixth pin and the seventh pin of the timer chip, the eighth pin of the timer chip is connected with the third end of the three-terminal voltage regulator, and the first resistor is connected between the eighth pin and the seventh pin of the timer chip; The transmitting module further comprises a third resistor, a fourth resistor, a fifth resistor, a first transistor and a second transistor; The first end of the third resistor is connected with the third pin of the timer chip, the second end of the third resistor is connected with the base of the first transistor, the emitter of the first transistor is connected with the second end of the second transistor and then grounded, the collector of the first transistor is connected with the first end of the fourth resistor and the first end of the fifth resistor, the second end of the fourth resistor is connected with the eighth pin of the timer chip, the second end of the fifth resistor is connected with the control end of the second transistor, and the first end of the second transistor is connected with the cathode of the first yellow LED display lamp.

5. The apparatus of claim 1, wherein, The receiving module further comprises a first rectifier diode, a second rectifier diode, a third rectifier diode, a fourth rectifier diode and a filter capacitor; The anode of the first rectifier diode is connected with the first end of the receiving coil and the cathode of the second rectifier diode, the anode of the third rectifier diode is connected with the second end of the receiving coil and the cathode of the fourth rectifier diode, the cathode of the first rectifier diode is connected with the cathode of the third rectifier diode and then connected with the first end of the filter capacitor, and the anode of the second rectifier diode is connected with the anode of the fourth rectifier diode and then connected with the second end of the filter capacitor; The receiving module further comprises an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor and an eleventh transistor; The first end and the second end of the eleventh resistor are respectively connected with the first end and the second end of the filter capacitor, the first end of the twelfth resistor is connected with the first end of the eleventh resistor and the first end of the fourteenth resistor, the second end of the twelfth resistor is connected with the anode of the second yellow LED display lamp, the first end of the thirteenth resistor is connected with the high-voltage electrode, the second end of the thirteenth resistor is connected with the base of the eleventh transistor, the emitter of the eleventh transistor is connected with the second end of the fourteenth resistor, and the collector of the eleventh transistor is connected with the anode of the green LED display lamp. The receiving module further comprises a fifteenth resistor, a first optocoupler, a ninth diode and a twelfth transistor; The first end of the fifteenth resistor is connected with the first end of the fourteenth resistor, the second end of the fifteenth resistor is connected with the first end of the first optocoupler, the second end of the first optocoupler is connected with the cathode of the ninth diode, the anode of the ninth diode is connected with the ground wire, the base of the twelfth transistor is connected with the third end of the first optocoupler, the collector of the twelfth transistor is connected with the fourth end of the first optocoupler, and the emitter of the twelfth transistor is connected with the anode of the red LED display lamp; The receiving module further comprises a second optocoupler, an eighth diode, a sixth resistor and a twelfth capacitor; The first end of the second optocoupler is connected with the first end of the thirteenth resistor, the second end of the second optocoupler is connected with the first end of the fifteenth resistor, the third end of the second optocoupler is connected with the fourth end of the first optocoupler, the fourth end of the second optocoupler is connected with the cathode of the eighth diode, the anode of the eighth diode is connected with the first end of the sixth resistor, the second end of the sixth resistor is connected with the first end of the twelfth capacitor, and the second end of the twelfth capacitor is connected with the high-voltage electrode.

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