CN220490922U - Arrester discharge counter tester - Google Patents
Arrester discharge counter tester Download PDFInfo
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- CN220490922U CN220490922U CN202321828377.7U CN202321828377U CN220490922U CN 220490922 U CN220490922 U CN 220490922U CN 202321828377 U CN202321828377 U CN 202321828377U CN 220490922 U CN220490922 U CN 220490922U
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- capacitor
- discharge counter
- power
- lightning arrester
- arrester discharge
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- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 238000010248 power generation Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a lightning arrester discharge counter tester, which comprises a shell, wherein one end of the shell is a discharge end, and an input end, a grounding end and a charging interface are arranged on the shell; the inside of the shell is provided with a charging module, a storage battery, an inverter, a booster, a rectifying filter, a capacitor and a control module which are sequentially connected; the input end and the grounding end are used for being connected with the insulating resistance meter, and high voltage is generated by utilizing the hand power generation function of the insulating resistance meter and is used for emergency power supply. The interface is reserved in the internal circuit and is used for being connected with the insulating resistance meter after automatic shutdown, high voltage is generated by utilizing the hand power generation function of the insulating resistance meter, and the counter tester can be used for emergency power supply when the counter tester is automatically shut down and a replaceable battery is absent on site.
Description
Technical Field
The utility model relates to the technical field of electric power facility detection equipment, in particular to a lightning arrester discharge counter tester.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The arrester discharge counter is an instrument for monitoring leakage current of the arrester and recording lightning stroke times, and can possibly generate poor sealing and damp in the operation process, and serious even internal element rust situations occur. Therefore, in the preventive test procedure of the lightning arrester, it is required to perform an inspection test on the discharge counter, and to apply an impact current to the discharge counter to perform a discharge test, thereby ensuring the correct operation of the lightning arrester.
The current arrester discharge counter tester used in the transformer substation site uses dry batteries to generate high voltage, and has the advantages of small volume and convenient carrying. However, since the counter tester generally has no power display function, the remaining power of the battery is not clear, and some counter testers have circuits to display the remaining power, but the detection accuracy of such circuits is not high, the accurate remaining power cannot be known, and although the counter tester has a certain amount of power, the counter tester may be automatically turned off after a plurality of continuous discharges, so that the test work cannot be performed.
Disclosure of Invention
In order to solve at least one technical problem in the background technology, the utility model provides a lightning arrester discharge counter tester, which is provided with an electric quantity display function, a storage battery is used for replacing a dry battery, an interface is reserved in an internal circuit and is used for being connected with an insulation resistance meter after automatic shutdown, a hand-operated power generation function of the insulation resistance meter is used for generating high voltage, and the lightning arrester discharge counter tester can be used for emergency power supply when the counter tester is automatically shut down and a replaceable battery is absent on site.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the first aspect of the utility model provides a lightning arrester discharge counter tester, which comprises a shell, wherein one end of the shell is a discharge end, and an input end, a grounding end and a charging interface are arranged on the shell; the inside of the shell is provided with a charging module, a storage battery, an inverter, a booster, a rectifying filter, a capacitor and a control module which are sequentially connected; the input end and the grounding end are used for being connected with the insulating resistance meter, and high voltage is generated by utilizing the hand power generation function of the insulating resistance meter and is used for emergency power supply.
The storage battery is connected with the display module.
The insulation resistance meter is connected with the rectifying filter through an interface formed by the input end and the grounding end.
The charging module is connected with 220V alternating current, outputs 14V direct current to the storage battery to charge the storage battery, the storage battery generates 12V direct current to the inverter, the 12V alternating current is converted into 12V alternating current and is input to the booster, the booster outputs 400V alternating current, the direct current is output to the capacitor through the rectifying filter, and the capacitor outputs 14V direct current for testing through the control module.
The shell is also provided with an indicator light, a switch and an electric quantity display.
The indicator light and the switch are respectively connected with the controller and used for controlling and displaying the working state of the arrester discharge counter tester.
The electric quantity display is connected with the display module and is used for detecting and displaying the residual electric quantity of the storage battery.
The E end of the insulating resistance meter is connected with the grounding end of the tester, the L end of the insulating resistance meter is connected with the input end of the tester, and the testing operation is completed by striking the arrester discharge counter through the discharge end through the hand-operated insulating resistance meter.
The charging interface is connected with the charging module and is used for accessing external 220V alternating current and converting the 220V alternating current into direct current through the charging module to charge the storage battery.
The inverter comprises a capacitor C1, a triode U1 and a diode D1 which are connected in parallel, a capacitor C2, a triode U2 and a diode D2 which are connected in parallel, the capacitor C1 is connected with the capacitor C2, the triode U1 is connected with the triode U2, the diode D1 is connected with the diode D2, one end of a resistor R1 is connected with the diode D2 through the capacitor C1 and the capacitor C2, the triode U1 and the triode U2 and the diode D1 and the diode D2, the other end of the resistor R1 is connected with a coil L1, the coil L1 is connected with a booster, the booster is connected with a rectifying filter, and the rectifying filter comprises a capacitor C3 connected on the output side of a bridge rectifying circuit.
Compared with the prior art, the above technical scheme has the following beneficial effects:
1. the interface is reserved in the internal circuit and is used for being connected with the insulating resistance meter after automatic shutdown, high voltage is generated by utilizing the hand power generation function of the insulating resistance meter, and the counter tester can be used for emergency power supply when the counter tester is automatically shut down and a replaceable battery is absent on site.
2. The electric quantity display function is added, the storage battery is used for replacing a dry battery, a battery power supply mode and an insulation resistance meter mode are provided for charging a capacitor, and meanwhile, the charging module can also charge the battery, so that the problem that the operation field arrester discharge counter tester cannot be used due to insufficient electric quantity is solved; small volume, easy carrying and flexible use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of the internal circuit structure of a lightning arrester discharge counter tester provided by the utility model;
FIG. 2 is a schematic diagram of the appearance and structure of the lightning arrester discharge counter tester provided by the utility model;
fig. 3 is a schematic diagram of a part of a circuit structure of the lightning arrester discharge counter tester provided by the utility model.
In the figure: 1. the device comprises a discharge end 2, an indicator lamp 3, a switch 4, an electric quantity display 5, an input end 6, a grounding end 7 and a charging interface.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As described in the background art, the currently used arrester discharge counter tester lacks an electric quantity display function, and some arrester discharge counter testers with the electric quantity display function have insufficient detection precision, cannot enable a worker to grasp accurate residual electric quantity, and may be automatically powered off after several tests under the condition that the residual electric quantity is displayed, so that the test work cannot be continued.
Therefore, the following embodiment provides a lightning arrester discharge counter tester, improves the existing lightning arrester discharge counter tester, increases an electric quantity display function, replaces a dry battery with a storage battery, reserves an interface in an internal circuit, is used for being connected with an insulation resistance meter after automatic shutdown, generates high voltage by utilizing a hand power generation function of the insulation resistance meter, and can be used for emergency power supply when the counter tester is automatically shut down and a replaceable battery is absent on site.
Embodiment one:
as shown in fig. 1-3, an object of the present embodiment is to provide a lightning arrester discharge counter tester, which includes a charging module, a storage battery, an inverter, a booster, a rectifying filter, a capacitor and a control module that are sequentially connected, wherein the storage battery is connected with a display module, and the rectifying filter has an interface connected with an insulation resistance meter.
The charging module is connected with 220V alternating current, outputs 14V direct current to the storage battery to charge the storage battery, the storage battery generates 12V direct current to the inverter, the 12V alternating current is converted into 12V alternating current and is input to the booster, the booster outputs 400V alternating current, the direct current is output to the capacitor through the rectifying filter, and the capacitor outputs 14V direct current for testing through the control module.
The arrester discharge counter tester is provided with a shell, one end of the shell is a discharge end 1, and an indicator lamp 2, a switch 3, an electric quantity display 4, an input end 5, a grounding end 6 and a charging interface 7 are arranged on the shell.
The indicator lamp 2 and the switch 3 are respectively connected with the control module and used for controlling and displaying the working state of the arrester discharge counter tester.
The electric quantity display 4 is connected with the display module and is used for detecting and displaying the residual electric quantity of the storage battery.
The rectifying filter is connected with the insulating resistance meter through the input end 5 and the grounding end 6, and when the electric quantity of the lightning arrester discharge counter tester is too low and the field lacks a replaceable storage battery, the hand power generation function of the insulating resistance meter is utilized to generate high voltage for emergency power supply, so that the testing work is not interrupted.
At this time, it is necessary to connect the ground wire of the arrester discharge counter tester in advance, and then connect the E end of the insulation resistance meter with the ground terminal 6 of the tester, and connect the L end with the input terminal 5 of the tester. The discharge end 1 is utilized to strike the arrester discharge counter through the hand-operated insulating resistance meter to finish the test operation.
The charging interface 7 is connected with the charging module and is used for accessing external 220V alternating current and converting the 220V alternating current into direct current through the charging module to charge the storage battery.
The circuit structure of the inverter, the booster and the rectifying filter is shown in fig. 3, the inverter comprises a capacitor C1, a triode U1 and a diode D1 which are connected in parallel, a capacitor C2, a triode U2 and a diode D2 which are connected in parallel, the capacitor C1 is connected with the capacitor C2, the triode U1 is connected with the triode U2, the diode D1 is connected with the diode D2, one end of a resistor R1 passes through the capacitor C1 and the capacitor C2, the triode U1 and the triode U2, the diode D1 and the diode D2, the other end of the resistor R1 is connected with a coil L1, the coil L1 is connected with the booster, the booster is connected with the rectifying filter, and the rectifying filter comprises a capacitor C3 connected at the output side of the bridge rectifying circuit.
The insulating resistance meter is connected to the input side of the rectifying filter through an input end 5 and a grounding end 6, and high voltage is output through the hand power generation function of the insulating resistance meter for emergency power supply.
The original arrester discharge counter tester is improved, an original dry battery is replaced by a storage battery, an electric quantity display function is added, a 220V alternating current charging function is added, an insulation resistance meter is added to replace the battery to generate a high voltage function, an interface is added in an existing device, the insulation resistance meter is added to generate the high voltage function, and the device is only used in emergency. The insulating resistance meter is a necessary tool on an operation site, and redundant equipment is not added, so that the insulating resistance meter is simple and easy to obtain; the modules are isolated by insulating materials, so that the safety of the counter testing process is ensured; the capacitor can be charged by providing two modes of battery power supply and an insulation resistance meter, and meanwhile, the battery can be charged by the charging module, so that the problem that the lightning arrester discharge counter tester cannot be used due to insufficient electric quantity in an operation site is solved; small volume, easy carrying and flexible use.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The arrester discharge counter tester is characterized by comprising a shell, wherein one end of the shell is a discharge end, and an input end, a grounding end and a charging interface are arranged on the shell; the inside of the shell is provided with a charging module, a storage battery, an inverter, a booster, a rectifying filter, a capacitor and a control module which are sequentially connected; the input end and the grounding end are used for being connected with the insulating resistance meter, and high voltage is generated by utilizing the hand power generation function of the insulating resistance meter and is used for emergency power supply.
2. A lightning arrester discharge counter tester according to claim 1 wherein the battery is connected to the display module.
3. A lightning arrester discharge counter tester according to claim 1, wherein the insulation resistance meter is connected to the rectifying filter through an interface formed by the input terminal and the ground terminal.
4. The lightning arrester discharge counter tester according to claim 1, wherein the charging module is connected with 220V ac power, outputs 14V dc power to the storage battery to charge the storage battery, the storage battery generates 12V dc power to the inverter, converts the 12V ac power to 12V ac power, inputs the 12V ac power to the booster, the booster outputs 400V ac power to output dc power to the capacitor through the rectifying filter, and the capacitor outputs 14V dc power for testing through the control module.
5. A lightning arrester discharge counter tester according to claim 1 wherein the housing is further provided with an indicator light, a switch and a power indicator.
6. The lightning arrester discharge counter tester according to claim 5, wherein the indicator light and the switch are respectively connected with the controller for controlling and displaying the operating state of the lightning arrester discharge counter tester.
7. The lightning arrester discharge counter tester according to claim 5, wherein the power display is connected with the display module for detecting and displaying the remaining power of the storage battery.
8. The lightning arrester discharge counter tester according to claim 1, wherein the end E of the insulation resistance meter is connected with the grounding end of the tester, the end L is connected with the input end of the tester, and the lightning arrester discharge counter is knocked by the discharging end through the hand-operated insulation resistance meter to complete the testing operation.
9. The lightning arrester discharge counter tester according to claim 1, wherein the charging interface is connected with the charging module, and is used for accessing external 220V alternating current and converting the 220V alternating current into direct current through the charging module to charge the storage battery.
10. The lightning arrester discharge counter tester according to claim 1, wherein the inverter includes a capacitor C1, a transistor U1 and a diode D1 connected in parallel, and a capacitor C2, a transistor U2 and a diode D2 connected in parallel, the capacitor C1 and the capacitor C2 are connected, the transistor U1 and the transistor U2 are connected, the diode D1 and the diode D2 are connected, one end of the resistor R1 passes between the capacitor C1 and the capacitor C2, between the transistor U1 and the transistor U2, and between the diode D1 and the diode D2, the other end is connected with a coil L1, the coil L1 is connected with a booster, the booster is connected with a rectifying filter, and the rectifying filter includes a capacitor C3 connected at an output side of the bridge rectifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828377.7U CN220490922U (en) | 2023-07-12 | 2023-07-12 | Arrester discharge counter tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321828377.7U CN220490922U (en) | 2023-07-12 | 2023-07-12 | Arrester discharge counter tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490922U true CN220490922U (en) | 2024-02-13 |
Family
ID=89838034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321828377.7U Active CN220490922U (en) | 2023-07-12 | 2023-07-12 | Arrester discharge counter tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490922U (en) |
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2023
- 2023-07-12 CN CN202321828377.7U patent/CN220490922U/en active Active
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