CN214011393U - Zinc oxide arrester alternating current parameter testing arrangement - Google Patents
Zinc oxide arrester alternating current parameter testing arrangement Download PDFInfo
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- CN214011393U CN214011393U CN202022896847.6U CN202022896847U CN214011393U CN 214011393 U CN214011393 U CN 214011393U CN 202022896847 U CN202022896847 U CN 202022896847U CN 214011393 U CN214011393 U CN 214011393U
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- autotransformer
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Abstract
The utility model belongs to arrester test equipment field, concretely relates to zinc oxide arrester alternating current parameter testing arrangement, which comprises a transformer, autotransformer and resistive current tester, the characterized in that, still including controlling the panel, it is equipped with power frequency voltage input terminal to control the panel top surface, the arrester terminal that awaits measuring, the earth terminal, the stop key, the start key and zero reset switch, the pressure regulating hand wheel of autotransformer is installed on controlling the panel, the electromagnetism post of autotransformer is installed and is being controlled the panel back, time relay and current relay install respectively in controlling the through-hole of seting up on the panel, resistive current tester installs the back of controlling the panel. The utility model has the advantages of small volume and high integration level by uniformly installing all the parts of the autotransformer and the resistive current tester on the control panel; other connecting wires are omitted, and the testing efficiency is improved; the lightning arrester capable of testing different nominal power frequency reference voltages has strong universality.
Description
Technical Field
The utility model belongs to arrester test equipment field, concretely relates to zinc oxide arrester exchanges parameter testing arrangement.
Background
After the production of the arrester product is completed, in order to guarantee the product quality, the arrester needs to be tested at various currents under the nominal power frequency reference voltage, the prior art needs three devices of a transformer, an autotransformer and a resistive current tester to be connected with the arrester port to complete the test, a plurality of ports need to be connected in a wiring mode in the test, and the test efficiency is low. The technical problem to be solved in the field is to develop an alternating current parameter testing device of a zinc oxide arrester with high integration level and strong universality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a zinc oxide arrester exchanges parameter testing arrangement that the commonality is wide, efficiency of software testing is high.
The technical scheme for realizing the aim is that,
an alternating current parameter testing device of a zinc oxide arrester comprises a transformer, an autotransformer and a resistive current tester, wherein the autotransformer comprises an electromagnetic column, a voltage regulating hand wheel, a time relay and a current relay which are electrically connected with the electromagnetic column, the time relay is provided with a zero resetting switch, the resistive current tester is provided with an interactive display screen, a voltage sampling port and a current sampling port, the device also comprises a control panel, the top surface of the control panel is provided with a power frequency voltage input binding post, a binding post of the arrester to be tested, a grounding binding post, a stop key, a start key and a zero resetting switch, the voltage regulating hand wheel of the autotransformer is arranged on the control panel, the electromagnetic column of the autotransformer is arranged on the back surface of the control panel, the time relay and the current relay are respectively arranged in through holes formed in the control panel, the resistive current tester is arranged on the back surface of the control panel, and the control panel is provided with observation through holes at the positions of the corresponding display screens, the power frequency voltage input terminal is electrically connected with the input end of the transformer, the output end of the transformer is electrically connected with the input end of the autotransformer, the output end of the autotransformer is electrically connected with the terminal of the lightning arrester to be tested, the voltage sampling port and the current sampling port are respectively electrically connected with the terminal of the lightning arrester to be tested, and the start key and the stop key are electrically connected with the power frequency voltage input terminal and are respectively used for controlling the on-off of the power frequency current.
Further, the top surface of the control panel is also provided with a voltmeter which is electrically connected with the output end of the auto-coupling voltage regulator, and the voltmeter is used for displaying the output voltage of the auto-coupling voltage regulator.
Further, the top surface of the control panel is also provided with an ammeter electrically connected with the auto-coupling voltage regulator, and the ammeter is used for displaying the output current of the auto-coupling voltage regulator.
Furthermore, the control panel is also provided with an electric bell and a display lamp for displaying the working state of the current tester.
Furthermore, the control panel is also provided with a protective tube electrically connected with the power frequency voltage input binding post.
When the current tester is used, firstly, a binding post of the lightning arrester to be tested is connected with an output port of the lightning arrester, a power frequency voltage input binding post is connected with 220 volt commercial power, a start key is pressed, a zero resetting switch is pressed to reset a time relay, a voltage regulating hand wheel is rotated to enable an auto voltage regulator to output a nominal power frequency reference voltage of the lightning arrester to be tested, the operation is carried out on a display screen of a resistive current tester, and parameters such as continuous current, resistive current, full current value and the like under the continuous operation voltage of the lightning arrester are measured, displayed and stored. After the measurement is finished, a stop key is pressed, and the mains supply input is cut off.
The zinc oxide arrester alternating current parameter testing device of the utility model installs each component of the autotransformer and the resistance current tester on the control panel in a unified way, and has the advantages of small volume and high integration level; when the tester is used, only the lightning arrester to be tested and the commercial power need to be connected, other connecting wires are omitted, and the testing efficiency is improved; the tester utilizes the autotransformer to test the lightning arrester with different nominal power frequency reference voltages, and has strong universality.
Drawings
Fig. 1 is a structural use diagram of a control panel according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an embodiment of the present invention.
In the figure, 1. control the panel; 2. inputting power frequency voltage into a binding post; 3. a binding post of the lightning arrester to be tested; 4. a stop key; 5. a start key; 6. a time relay; 6-1, a zero-resetting switch; 7. a current relay; 8. a pressure regulating hand wheel; 9. a display screen; 10. an ammeter; 11. a voltmeter; 12. electric bell; 13. a fuse tube; 14. and a display lamp. Shown within the dashed box is a resistive current tester block.
Detailed Description
The present invention will be described in detail with reference to examples.
Referring to fig. 1 and 2, an alternating current parameter testing device for a zinc oxide arrester comprises a transformer, an autotransformer and a resistive current tester, wherein the autotransformer comprises an electromagnetic column, a voltage regulating handwheel 8, a time relay 6 and a current relay 7 which are electrically connected with the electromagnetic column, the time relay 6 is provided with a zero resetting switch 6-1, the resistive current tester is provided with an interactive display screen 9, a voltage sampling port and a current sampling port, the device also comprises an operation panel 1, the top surface of the operation panel 1 is provided with a power frequency voltage input binding post 2, a to-be-tested arrester binding post 3, a grounding binding post, a stop key 4, a start key 5 and a zero resetting switch 6-1, the voltage regulating handwheel 8 of the autotransformer is arranged on the operation panel, the electromagnetic column of the autotransformer is arranged on the back surface of the operation panel 1, the time relay 6 and the current relay 7 are respectively arranged in through holes arranged on the operation panel 1, the resistive current tester is installed on the back of the control panel, an observation through hole is arranged at the corresponding position of the display screen of the control panel 1, a power frequency voltage input terminal 2 is electrically connected with the input end of a transformer, the output end of the transformer is electrically connected with the input end of an auto-transformer, the output end of the auto-transformer is electrically connected with a to-be-tested lightning arrester terminal 3, a voltage sampling port and a current sampling port are respectively and electrically connected with the to-be-tested lightning arrester terminal 3, and a start key 5 and a stop key 4 are electrically connected with the power frequency voltage input terminal 2 and are respectively used for controlling the on-off of power frequency current;
in this embodiment, the top surface of the control panel 1 is further provided with a voltmeter 11 electrically connected with the output end of the auto-coupling voltage regulator, and the voltmeter is used for displaying the output voltage of the auto-coupling voltage regulator;
in this embodiment, the top surface of the control panel 1 is further provided with an ammeter 10 electrically connected with the auto-coupling voltage regulator, and the ammeter 10 is used for displaying the output current of the auto-coupling voltage regulator;
in this embodiment, the control panel 1 is further provided with an electric bell 12 and a display lamp 14 for displaying the working state of the current tester;
in this embodiment, the control panel 1 is further provided with a fuse 13 electrically connected to the power frequency voltage input terminal.
Claims (5)
1. An alternating current parameter testing device of a zinc oxide arrester comprises a transformer, an autotransformer and a resistive current tester, wherein the autotransformer comprises an electromagnetic column, a voltage regulating hand wheel, a time relay and a current relay which are electrically connected with the electromagnetic column, the time relay is provided with a zero resetting switch, the resistive current tester is provided with an interactive display screen, a voltage sampling port and a current sampling port, the alternating current parameter testing device is characterized by further comprising an operating panel, the top surface of the operating panel is provided with a power frequency voltage input binding post, a binding post of the arrester to be tested, a grounding binding post, a stop key, a start key and a zero resetting switch, the voltage regulating hand wheel of the autotransformer is arranged on the operating panel, the electromagnetic column of the autotransformer is arranged on the back surface of the operating panel, the time relay and the current relay are respectively arranged in through holes formed in the operating panel, the resistive current tester is arranged on the back surface of the operating panel, control the panel and be equipped with the observation through-hole in the display screen position that corresponds, power frequency voltage input terminal is connected with the input electricity of transformer, and the input of auto-transformer is connected to the transformer output electricity, and the arrester terminal that awaits measuring is connected to auto-transformer's output electricity, and voltage sampling port and current sampling port are connected with the arrester terminal electricity that awaits measuring respectively, start key, stop key are connected with power frequency voltage input terminal electricity, are used for controlling the break-make of power frequency current respectively.
2. The alternating current parameter testing device of the zinc oxide arrester as claimed in claim 1, wherein a voltmeter electrically connected with the output end of the autotransformer is further arranged on the top surface of the control panel, and the voltmeter is used for displaying the output voltage of the autotransformer.
3. The alternating current parameter testing device of the zinc oxide arrester as claimed in claim 1, wherein an ammeter electrically connected with the autotransformer is further arranged on the top surface of the control panel, and the ammeter is used for displaying the output current of the autotransformer.
4. The alternating current parameter testing device of the zinc oxide arrester as claimed in claim 1, wherein the control panel is further provided with an electric bell and an indicator light for displaying the working state of the current tester.
5. The zinc oxide arrester alternating current parameter testing device of claim 1, wherein the control panel is further provided with a fuse tube electrically connected with the power frequency voltage input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022896847.6U CN214011393U (en) | 2020-12-07 | 2020-12-07 | Zinc oxide arrester alternating current parameter testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022896847.6U CN214011393U (en) | 2020-12-07 | 2020-12-07 | Zinc oxide arrester alternating current parameter testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214011393U true CN214011393U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022896847.6U Active CN214011393U (en) | 2020-12-07 | 2020-12-07 | Zinc oxide arrester alternating current parameter testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214011393U (en) |
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2020
- 2020-12-07 CN CN202022896847.6U patent/CN214011393U/en active Active
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