CN213715399U - ZN28 vacuum circuit breaker overhauls and uses auxiliary device - Google Patents
ZN28 vacuum circuit breaker overhauls and uses auxiliary device Download PDFInfo
- Publication number
- CN213715399U CN213715399U CN202022786734.0U CN202022786734U CN213715399U CN 213715399 U CN213715399 U CN 213715399U CN 202022786734 U CN202022786734 U CN 202022786734U CN 213715399 U CN213715399 U CN 213715399U
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- China
- Prior art keywords
- circuit breaker
- vacuum circuit
- power supply
- repairing
- conducting strips
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Abstract
The utility model discloses a ZN28 vacuum circuit breaker overhauls and uses auxiliary device, including the casing, one side of casing is provided with the portion of inserting that is used for connecting ZN28 vacuum circuit breaker secondary plug-in components, and the opposite side of casing is provided with the connecting portion that is used for connecting switch test equipment and is used for showing the display part of ZN28 vacuum circuit breaker state, is provided with DC power supply and resistance in the casing; the plug part comprises a plurality of slots which are arranged, a pair of conducting strips is symmetrically arranged in each slot, and the negative output end of the direct-current power supply is connected with the conducting strips. The utility model discloses simple structure, reasonable in design realizes conveniently and with low costs, can effectively use at ZN28 vacuum circuit breaker's maintenance and defect elimination in-process, need not to carry out loaded down with trivial details measurement to auxiliary switch, has greatly reduced maintenance work load, has improved work efficiency, excellent in use effect, convenient to popularize and use.
Description
Technical Field
The utility model belongs to the technical field of the electric power industry, concretely relates to ZN28 vacuum circuit breaker overhauls uses auxiliary device.
Background
In the existing power network, the high-voltage circuit breaker can not only cut off and connect the no-load current and the load current in the high-voltage circuit under the normal condition, but also be matched with a protection device when the system breaks down, so that a fault power supply can be cut off rapidly, the accident is prevented from being enlarged, and the safe operation of the system is ensured. ZN28 vacuum circuit breaker is widely used in each transformer substation because of simple structure and strong reliability. Because ZN28 vacuum circuit breaker uses a large amount, work load is also great when shutting down the maintenance, and at present the maintenance in-process, all ZN28 vacuum circuit breaker's auxiliary switch all need use the universal meter to measure its switching state, and the reliability of this method is high, but is more loaded down with trivial details, work load is big, wastes more time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a ZN28 vacuum circuit breaker overhauls and uses auxiliary device, its simple structure, reasonable in design, it is convenient and with low costs to realize, can effectively use the maintenance and the defect elimination in-process at ZN28 vacuum circuit breaker, need not to carry out loaded down with trivial details measurement to auxiliary switch, has greatly reduced maintenance work load, has improved work efficiency, excellent in use effect, convenient to popularize and use.
In order to solve the technical problem, the utility model discloses a technical scheme is: an auxiliary device for overhauling a ZN28 vacuum circuit breaker comprises a shell, wherein one side of the shell is provided with a plug part for connecting a secondary plug-in unit of the ZN28 vacuum circuit breaker, the other side of the shell is provided with a connecting part for connecting switch test equipment and a display part for displaying the state of the ZN28 vacuum circuit breaker, and a direct-current power supply and a resistor are arranged in the shell; the plug part comprises a plurality of slots which are arranged, a pair of conducting strips is symmetrically arranged in each slot, and the negative output end of the direct-current power supply is connected with the conducting strips.
The aforesaid ZN28 vacuum circuit breaker overhauls and uses auxiliary device, connecting portion include a plurality of binding post, binding post is located the one end in the casing and is connected with the conducting strip.
The auxiliary device for overhauling the ZN28 vacuum circuit breaker is characterized in that the display part comprises a plurality of light emitting diodes, anodes of the light emitting diodes are connected with the anode output end of the direct current power supply through resistors, and cathodes of the light emitting diodes are connected with the conducting strips.
In the auxiliary device for overhauling the ZN28 vacuum circuit breaker, the output voltage of the DC power supply is 4.5V.
In the auxiliary device for overhauling the ZN28 vacuum circuit breaker, the resistance value of the resistor is 48.9 omega.
In the auxiliary device for overhauling the ZN28 vacuum circuit breaker, the number of the slots is 25.
In the auxiliary device for overhauling the ZN28 vacuum circuit breaker, the number of the connecting terminals is 5.
In the auxiliary device for overhauling the ZN28 vacuum circuit breaker, the number of the light emitting diodes is 11.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses simple structure, reasonable in design realizes conveniently and with low costs.
2. The utility model discloses a connect the portion of inserting and be connected with ZN28 vacuum circuit breaker, through connecting portion linked switch test equipment, show ZN28 vacuum circuit breaker auxiliary switch's the switching state and the energy storage state of circuit breaker through the display part.
3. The utility model discloses a light emitting diode's luminous characteristic detects and the state display to ZN28 vacuum circuit breaker auxiliary switch, and is not only directly perceived but also convenient.
4. The utility model discloses can effectively use maintenance and defect elimination in-process at ZN28 vacuum circuit breaker, need not to carry out loaded down with trivial details measurement to auxiliary switch, greatly reduced maintenance work load, improved work efficiency, excellent in use effect, convenient to popularize and use.
To sum up, the utility model discloses simple structure, reasonable in design realizes conveniently and with low costs, can effectively use at ZN28 vacuum circuit breaker's maintenance and defect elimination in-process, need not to carry out loaded down with trivial details measurement to auxiliary switch, has greatly reduced maintenance work load, has improved work efficiency, excellent in use effect, convenient to popularize and use.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the plug portion of the present invention;
FIG. 3 is a schematic view of the structure inside the slot of the present invention;
fig. 4 is an electrical schematic diagram of the present invention.
Description of reference numerals:
1-a housing; 2-a direct current power supply; 3-resistance;
4, inserting a slot; 5, conducting strips; 6, a connecting terminal;
7-light emitting diode.
Detailed Description
As shown in fig. 1 to 4, the auxiliary device for overhauling the ZN28 vacuum circuit breaker of the present invention comprises a housing 1, wherein one side of the housing 1 is provided with a plug part for connecting a secondary plug-in unit of the ZN28 vacuum circuit breaker, the other side of the housing 1 is provided with a connecting part for connecting a switch test device and a display part for displaying the state of the ZN28 vacuum circuit breaker, and the housing 1 is internally provided with a dc power supply 2 and a resistor 3; the connecting portion comprises a plurality of slots 4 which are arranged, a pair of conducting strips 5 are symmetrically arranged in each slot 4, and the negative output end of the direct-current power supply 2 is connected with the conducting strips 5.
In this embodiment, the connection portion includes a plurality of connection terminals 6, and one end of each connection terminal 6 located in the housing 1 is connected to the corresponding conductive plate 5.
In this embodiment, the display unit includes a plurality of light emitting diodes 7, an anode of each light emitting diode 7 is connected to an anode output terminal of the dc power supply 2 through the resistor 3, and a cathode of each light emitting diode 7 is connected to the conductive sheet 5.
In this embodiment, the output voltage of the dc power supply 2 is 4.5V.
In specific implementation, 3 sections of 1.5V dry batteries are connected in series to obtain 4.5V output voltage by the direct current power supply 2.
In this embodiment, the resistance of the resistor 3 is 48.9 Ω.
In specific implementation, the resistor 3 is a current limiting resistor, and is used for controlling the conduction current of the light emitting diode 7.
In this embodiment, the number of the slots 4 is 25.
In this embodiment, the number of the connection terminals 6 is 5.
During specific implementation, 2 of the 5 wiring terminals are used for connecting the energy storage power supply, and the rest 3 of the 5 wiring terminals are used for connecting the switch mechanical property instrument.
In this embodiment, the number of the light emitting diodes 7 is 11.
In specific implementation, 1 of the 11 light-emitting diodes is a green light-emitting diode and is used for displaying the energy storage state of the ZN28 vacuum circuit breaker, the remaining 10 of the 11 light-emitting diodes are blue light-emitting diodes, 5 light-emitting diodes are arranged in the upper row, and 5 light-emitting diodes are arranged in the lower row and are used for displaying the switching state of the auxiliary switch of the ZN28 vacuum circuit breaker.
The utility model discloses during the use, through slot 4 in the plug-in portion, make this device be connected with ZN28 vacuum circuit breaker's secondary plug-in components, and through binding post 6 connection maintenance in the connecting portion energy storage power supply and the switch mechanical property appearance of usefulness, through observing the luminous state of display portion emitting diode 7, confirm ZN28 vacuum circuit breaker's state, when ZN28 vacuum circuit breaker is in the separating brake state and when not storing energy, green emitting diode is not luminous, 5 blue emitting diode lumination under row; when the ZN28 vacuum circuit breaker is in an opening state and stores energy, the green light-emitting diode emits light, and the lower row of 5 blue light-emitting diodes emit light; when the ZN28 vacuum circuit breaker is in a closing state and does not store energy, the green light-emitting diode does not emit light, and the upper row of 5 blue light-emitting diodes emit light; when the ZN28 vacuum circuit breaker is in a closing state and stores energy, the green light-emitting diode emits light, and the upper row of 5 blue light-emitting diodes emit light.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides a ZN28 vacuum circuit breaker overhauls uses auxiliary device which characterized in that: the vacuum circuit breaker testing device comprises a shell (1), wherein one side of the shell (1) is provided with a plug part for connecting a ZN28 vacuum circuit breaker secondary plug-in, the other side of the shell (1) is provided with a connecting part for connecting switch testing equipment and a display part for displaying the state of a ZN28 vacuum circuit breaker, and a direct-current power supply (2) and a resistor (3) are arranged in the shell (1); the plug part comprises a plurality of slots (4) which are arranged, a pair of conducting strips (5) is symmetrically arranged in each slot (4), and the negative output end of the direct-current power supply (2) is connected with the conducting strips (5).
2. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 1, wherein: the connecting part comprises a plurality of wiring terminals (6), and one ends of the wiring terminals (6) in the shell (1) are connected with the conducting strips (5).
3. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 1, wherein: the display part comprises a plurality of light emitting diodes (7), anodes of the light emitting diodes (7) are connected with the anode output end of the direct current power supply (2) through resistors (3), and cathodes of the light emitting diodes (7) are connected with the conducting strips (5).
4. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 1, wherein: the output voltage of the direct current power supply (2) is 4.5V.
5. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 1, wherein: the resistance value of the resistor (3) is 48.9 omega.
6. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 1, wherein: the number of the slots (4) is 25.
7. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 2, wherein: the number of the wiring terminals (6) is 5.
8. An auxiliary apparatus for repairing a ZN28 vacuum interrupter as defined in claim 3, wherein: the number of the light-emitting diodes (7) is 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786734.0U CN213715399U (en) | 2020-11-26 | 2020-11-26 | ZN28 vacuum circuit breaker overhauls and uses auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022786734.0U CN213715399U (en) | 2020-11-26 | 2020-11-26 | ZN28 vacuum circuit breaker overhauls and uses auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213715399U true CN213715399U (en) | 2021-07-16 |
Family
ID=76785019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022786734.0U Expired - Fee Related CN213715399U (en) | 2020-11-26 | 2020-11-26 | ZN28 vacuum circuit breaker overhauls and uses auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213715399U (en) |
-
2020
- 2020-11-26 CN CN202022786734.0U patent/CN213715399U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 Termination date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |