CN212935512U - Circuit high-voltage series-connection protection device - Google Patents
Circuit high-voltage series-connection protection device Download PDFInfo
- Publication number
- CN212935512U CN212935512U CN202021009938.7U CN202021009938U CN212935512U CN 212935512 U CN212935512 U CN 212935512U CN 202021009938 U CN202021009938 U CN 202021009938U CN 212935512 U CN212935512 U CN 212935512U
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- coil former
- high pressure
- base
- protection device
- circuit
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- Expired - Fee Related
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Abstract
The utility model relates to a protection device is gone into to circuit high pressure cluster, including high pressure sensor and electrified display, be provided with overvoltage protector between high pressure sensor and the electrified display, overvoltage protector includes casing and base, be equipped with first coil former on the base, be located first coil former one side still is equipped with the second coil former, first coil former is "T" shape structure, the second coil former is "U" shape structure, second coil former one side is equipped with protective resistor, and assurance high pressure sensor through first coil former, second coil former and protective resistor limits output voltage to the injury of electrified display under unusual high pressure.
Description
Technical Field
The utility model relates to an air conditioner control technical field especially relates to a protection device is gone into to circuit high pressure cluster.
Background
At present, a small-grounding power distribution grid is usually a 6kv, 10kv and 35kv grade power grid system, a single-phase grounding non-fault phase voltage rises by 1.732 times of a normal value, a three-phase short circuit or a two-phase short circuit can occur for a long time, high voltage flees into a secondary circuit, a closed high-voltage cabinet cable chamber is closed due to the environment, a high-voltage sensor is knocked down under high voltage at the moment of short circuit, the high voltage flees into a live display, the live display device is burnt down, related electric operation circuits (switch opening and closing circuits), a temperature and humidity test circuit, a ventilation and heating circuit are influenced, and the related circuit devices can not bear high voltage and are burnt down due to the high voltage fleeing.
According to accident cases and a large amount of related data in recent years, it is found that an electrified display is installed in a high-voltage cabinet state display device or a high-voltage cabinet control state display device, the high-voltage cabinet state display device comprises a switch cabinet position contact, a heater, a fan in a cabinet, a temperature and humidity sensor and even a switch tripping and closing coil loop, and the loops are important, if high voltage enters, secondary equipment operation is threatened, protection misoperation or device burnout is caused, and even personal life of working personnel is threatened.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art's current situation, the utility model aims to solve the technical problem that a prevent that high pressure from scurrying into, constitute the threat to the secondary equipment operation, arouse protection maloperation or device to burn out, can even be well the personnel who is working have the circuit high pressure that human life caused the threat to be gone into protector.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a protection device is gone into to circuit high pressure cluster, includes high pressure sensor and electrified display, be provided with overvoltage protector between high pressure sensor and the electrified display, overvoltage protector includes casing and base, be equipped with first coil former on the base, be located first coil former one side still is equipped with the second coil former, first coil former is "T" shape structure, the second coil former is "U" shape structure, second coil former one side is equipped with protective resistor.
Preferably, the casing inboard is equipped with the bayonet socket, the base is equipped with the buckle with bayonet socket matched with, the casing passes through mutually supporting lock of bayonet socket and buckle on the base.
Preferably, a protective cover is arranged on the first coil frame, and insulating cotton is arranged on the inner wall of the protective cover.
Preferably, a power-off switch is arranged on the second coil frame, and one end of the power-off switch is connected with the protection resistor.
Preferably, the first bobbin and the second bobbin are provided with a back-resistance.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a protection device is gone into to circuit high pressure cluster, be provided with overvoltage protector between its high pressure sensor and the electrified display, overvoltage protector includes casing and base, be equipped with first coil former on the base, be located first coil former one side still is equipped with the second coil former, first coil former is "T" shape structure, the second coil former is "U" shape structure, second coil former one side is equipped with protective resistance, and assurance high pressure sensor through first coil former, second coil former and protective resistance is under unusual high pressure, and restriction output voltage is to the injury of electrified display to solved among the prior art and scurried when the high pressure, threatened secondary equipment operation constitution, arouse protection maloperation or device to burn, can adjust the problem that has the human life to cause the threat well even at the personnel of working.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a circuit high-voltage series-in protection device in embodiment 1.
The corresponding names of the components in the figure are as follows: the high-voltage circuit breaker comprises a high-voltage sensor 1, a charged display 2, an overvoltage protector 3, a shell 4, a base 5, a first coil frame 6, a second coil frame 7, a protection resistor 8, a bayonet 9, a buckle 10, a protection cover 11, insulating cotton 12, a power-off switch 13 and a return-preventing resistor 14.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
Examples
As shown in fig. 1, a circuit high-voltage series-in protection device comprises a high-voltage sensor 1 and a charged display 2, wherein an overvoltage protector 3 is arranged between the high-voltage sensor 1 and the charged display 2, the overvoltage protector comprises a shell 4 and a base 5, a first coil frame 6 is arranged on the base 5, a second coil frame 7 is arranged on one side of the first coil frame 6, the first coil frame 6 is in a T-shaped structure, the second coil frame 7 is in a U-shaped structure, a protection resistor 8 is arranged on one side of the second coil frame 7, a bayonet 9 is arranged on the inner side of the shell 4, a buckle 10 matched with the bayonet 9 is arranged on the base 5, the shell 4 is buckled on the base 5 through the mutual matching of the bayonet 9 and the bayonet 9, a protection cover 11 is arranged on the first coil frame 6, so as to protect the tightness of the coil, and insulation cotton 12 is arranged on the inner wall of the protection cover 11, avoided the short circuit like this and caused certain damage, be equipped with power off switch 13 on the second coil former 7, avoid the circuit to burn out as far as like this, power off switch 13 one end is connected with protection resistance 8, first coil former 6 and second coil former 7 are equipped with prevents back resistance 14.
Be provided with overvoltage protector between its high pressure sensor and the electrified display, overvoltage protector includes casing and base, be equipped with first coil former on the base, be located first coil former one side still is equipped with the second coil former, first coil former is "T" shape structure, the second coil former is "U" shape structure, second coil former one side is equipped with protective resistor, and assurance high pressure sensor through first coil former, second coil former and protective resistor is under unusual high pressure, restricts the injury of output voltage to electrified display.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a protection device is gone into to circuit high pressure cluster, its characterized in that, includes high pressure sensor and electrified display, be provided with overvoltage protector between high pressure sensor and the electrified display, overvoltage protector includes casing and base, be equipped with first coil former on the base, be located first coil former one side still is equipped with the second coil former, first coil former is "T" shape structure, the second coil former is "U" shape structure, second coil former one side is equipped with protective resistor.
2. The device of claim 1, wherein the housing has a bayonet, the base has a buckle engaged with the bayonet, and the housing is fastened to the base by the mutual engagement of the bayonet and the buckle.
3. The high-voltage series-connection protection device for the circuit as claimed in claim 1, wherein a protection cover is arranged on the first bobbin, and insulation cotton is arranged on the inner wall of the protection cover.
4. The circuit high-voltage series-connection protection device as claimed in claim 1, wherein a power-off switch is disposed on the second bobbin, and one end of the power-off switch is connected to the protection resistor.
5. A circuit high voltage series-in protection device according to claim 1, wherein the first bobbin and the second bobbin are provided with a back-resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009938.7U CN212935512U (en) | 2020-06-04 | 2020-06-04 | Circuit high-voltage series-connection protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021009938.7U CN212935512U (en) | 2020-06-04 | 2020-06-04 | Circuit high-voltage series-connection protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212935512U true CN212935512U (en) | 2021-04-09 |
Family
ID=75319453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021009938.7U Expired - Fee Related CN212935512U (en) | 2020-06-04 | 2020-06-04 | Circuit high-voltage series-connection protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212935512U (en) |
-
2020
- 2020-06-04 CN CN202021009938.7U patent/CN212935512U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |