CN216980467U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN216980467U CN216980467U CN202123284398.0U CN202123284398U CN216980467U CN 216980467 U CN216980467 U CN 216980467U CN 202123284398 U CN202123284398 U CN 202123284398U CN 216980467 U CN216980467 U CN 216980467U
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- Prior art keywords
- metal
- circuit breaker
- metal inner
- breaker according
- end cover
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- 239000002184 metal Substances 0.000 claims abstract description 85
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Circuit Breakers (AREA)
Abstract
The utility model discloses a circuit breaker, which comprises two metal inner cylinders which are arranged oppositely, wherein each metal inner cylinder is connected with a wiring part; according to the device, through the matching of the gas generating agent, the metal inner cylinder and the metal moving part, when a fire occurs, the gas generating agent generates gas to push the metal moving part to move, so that the two metal inner cylinders are disconnected, the electrical equipment can be powered off in time when a fire occurs, the overall structure is simple and efficient, and the device is favorable for popularization and application in the field of electrical equipment.
Description
Technical Field
The utility model relates to the technical field of fire fighting, in particular to a circuit breaker.
Background
Under the condition of fire, thunder and lightning caused fire or static caused fire and the like caused by igniting combustible substances on the hot surface of the electric heating appliance, in order to avoid causing greater damage to electrical equipment, the fire extinguishing difficulty is reduced, and the electrical equipment needs to be powered off in time.
However, a general protection circuit needs to rely on a power supply or a standby power supply to perform power-off protection on electrical equipment, and the protection circuit is also easy to damage, so that a power-off failure phenomenon often occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide a circuit breaker which can timely perform power-off operation on electrical equipment when fire occurs in the electrical equipment.
In order to solve the technical problems, the utility model adopts the technical scheme that: a circuit breaker comprises two metal inner cylinders which are arranged oppositely, each metal inner cylinder is connected with a wiring portion, the circuit breaker further comprises two metal inner cylinders, a gas generating agent is arranged in one metal inner cylinder, and one side of the gas generating agent is connected with a starting line.
Preferably, two metal inner cylinders are oppositely arranged at two sides in the insulating shell, and the metal inner cylinders are connected with the wiring parts at the end parts of the insulating shell.
Preferably, a metal end cover is arranged on the inner side of the end part of the insulating shell, one side of the metal end cover is matched with the inner ring of the metal inner cylinder, and fixing holes for penetrating screws are formed in the surface of the metal end cover and the surface of the wiring part.
Preferably, a through hole for penetrating the starting line is formed in the metal moving part, and a wire hole for penetrating the starting line is formed in the metal end cover and the wire connecting portion on one side.
Preferably, the activation wire is a heat sensitive wire structure.
Preferably, the starting wire is an electric ignition head structure.
Preferably, the surface of the metal inner cylinder is also provided with a spring locking piece for locking the metal movable piece.
Preferably, the spring locking piece comprises a limiting cylinder body fixed on the surface of the metal inner cylinder and the inner side of the insulating shell, a limiting bolt is arranged in the limiting cylinder body, the top of the limiting bolt is connected with the top of the limiting cylinder body through a compression spring, and the bottom of the limiting bolt is matched with an arc surface groove formed in the surface of the metal moving part.
The utility model has the beneficial effects that:
according to the device, through the matching of the gas generating agent, the metal inner cylinders and the metal moving parts, when a fire occurs, the gas generating agent generates gas to push the metal moving parts to move, so that the two metal inner cylinders are disconnected, the electrical equipment can be powered off in time when a fire occurs, the overall structure is simple and efficient, and the device is beneficial to popularization and application in the field of electrical equipment.
Drawings
Fig. 1 is a schematic perspective view of a circuit breaker;
fig. 2 is a schematic top view of a circuit breaker;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
fig. 4 is an enlarged schematic view of the spring locking member of fig. 3.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1 to 4, a circuit breaker includes two metal inner cylinders 2 disposed opposite to each other, each metal inner cylinder 2 is connected to a wiring portion 3, and the circuit breaker further includes a metal moving member 4 slidably engaged with the two metal inner cylinders 2, wherein a gas generating agent 5 is disposed in one of the metal inner cylinders 2, and one side of the gas generating agent 5 is connected to a start line 9.
Preferably, two metal inner cylinders 2 are oppositely arranged at two sides in the insulating shell 1, and the metal inner cylinders 2 are connected with the wiring parts 3 at the end parts of the insulating shell 1. In the embodiment, the insulating housing 1 can protect the inner metal inner cylinder 2.
Preferably, the inner side of the end part of the insulating shell 1 is provided with a metal end cover 7, one side of the metal end cover 7 is matched with the inner ring of the metal inner cylinder 2, and fixing holes 8 for penetrating screws are formed in the surface of the metal end cover 7 and the surface of the wiring part 3. After the design, can be spacing through metal end cover 7 with metal inner tube 2, and metal end cover 7 can pass through the screw connection with wiring portion 3, through above-mentioned process, and wiring portion 3 also realizes electric connection with metal inner tube 2.
Preferably, a through hole 4.1 for penetrating the starting wire 9 is formed in the metal moving part 4, and a wire hole 10 for penetrating the starting wire 9 is formed in the metal end cover 7 and the wire connecting portion 3 on one side. In this embodiment, the starting line 9 may ignite the gas generating agent 5, and the gas generating agent 5 may be an aerosol generating agent, which, when ignited, may generate a large amount of gas, thereby pushing the metal movable member 4 to move.
Preferably, the actuation line 9 can have the following two embodiments:
first, the starting line 9 is a thermosensitive line structure. Thus, when a fire occurs, the heat-sensitive wire is adopted, the electric signal output equipment is not needed, the fire point can directly ignite the starting wire 9, and then the starting wire 9 ignites the gas generating agent 5.
Secondly, the starting wire 9 is an electric ignition head structure. Can set up detection device like this in electrical equipment, detection device's signal line is connected with the controller, and the controller output is connected with start-up line 9, and when the condition such as conflagration, overheated takes place, detection device detects in the region of putting out a fire and produces high temperature environment because of the conflagration after, signals give the controller, and controller control start-up line 9 ignites gas generating agent 5. In this embodiment, the detection device is a temperature sensor and/or a smoke sensor, and the controller may be a 51-chip microcomputer with a model of 80C 51.
Preferably, the surface of the metal inner cylinder 2 is further provided with a spring locking piece 6 for locking the metal movable piece 4. The spring locking piece 6 can prevent the metal moving piece 4 from sliding due to vibration in the normal use process of the electrical equipment.
Preferably, the spring locking piece 6 comprises a limiting cylinder 6.1 fixed on the surface of the metal inner cylinder 2 and on the inner side of the insulating shell 1, a limiting bolt 6.2 is arranged in the limiting cylinder 6.1, the top of the limiting bolt 6.2 is connected with the top of the limiting cylinder 6.1 through a compression spring 6.3, and the bottom of the limiting bolt 6.2 is matched with an arc-surface groove 4.2 formed in the surface of the metal moving part 4. After designing like this, in electrical equipment normal use in-process, because compression spring 6.3's elastic force effect, can compress tightly spacing bolt 6.2 in the cambered surface recess 4.2 that metal moving part 4 surfaces were seted up, thereby can make metal moving part 4 can not slide at will, and when producing gas agent 5 and being lighted, a large amount of gas that produces forms transverse thrust for metal moving part 4, because cambered surface groove 4.2's cambered surface structure, spacing bolt 6.2 atress and rebound, thereby relieve the locking to cambered surface recess 4.2, metal moving part 4 slides and leaves one of them metal inner tube 2, disconnect-type between two metal inner tubes 2, whole electrical equipment outage.
The working principle of the embodiment is as follows:
in the normal use process of the electrical equipment, due to the elastic force of the compression spring 6.3, the limiting bolt 6.2 can be tightly pressed in the arc-shaped groove 4.2 formed in the surface of the metal moving part 4, so that the metal moving part 4 can not slide randomly, as shown in fig. 3, the wiring part 3 on the left side is electrically connected with the metal inner cylinder 2 on the left side through the metal end cover 7 on the left side, the wiring part 3 on the right side is electrically connected with the metal inner cylinder 2 on the right side through the metal end cover 7 on the right side, and the two metal inner cylinders 2 are electrically connected through the metal moving part 4, so that the wiring part 3 on the left side and the wiring part 3 on the right side are in a communicated state; when a fire occurs, the starting line 9 ignites the gas generating agent 5, a large amount of generated gas forms transverse thrust for the metal moving part 4, and due to the cambered surface structure of the cambered surface groove 4.2, the limiting bolt 6.2 is stressed to move upwards, so that the locking of the cambered surface groove 4.2 is released, the metal moving part 4 slides rightwards to leave the left metal inner cylinder 2, the two metal inner cylinders 2 are disconnected, and the whole electrical equipment is powered off.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (8)
1. The utility model provides a circuit breaker, includes two metal inner tube (2) that set up each other relatively, every metal inner tube (2) all are connected with a wiring portion (3), its characterized in that: the gas generating device further comprises a metal moving part (4) in sliding fit with the two metal inner cylinders (2), wherein a gas generating agent (5) is arranged in one of the metal inner cylinders (2), and one side of the gas generating agent (5) is connected with a starting line (9).
2. A circuit breaker according to claim 1, wherein: two metal inner cylinders (2) are arranged on two sides in the insulating shell (1) relatively, and the metal inner cylinders (2) are connected with wiring parts (3) positioned at the end parts of the insulating shell (1).
3. A circuit breaker according to claim 2, wherein: the insulation housing (1) tip inboard is equipped with metal end cover (7), metal end cover (7) one side and metal inner tube (2) inner circle cooperation, fixed orifices (8) that are used for wearing to establish the screw are all offered on metal end cover (7) surface and wiring portion (3) surface.
4. A circuit breaker according to claim 3, wherein: the metal moving part (4) is internally provided with a through hole (4.1) for penetrating the starting wire (9), and the metal end cover (7) and the wiring part (3) on one side are provided with wire holes (10) for penetrating the starting wire (9).
5. A circuit breaker according to claim 4, wherein: the starting line (9) is of a thermosensitive line structure.
6. A circuit breaker according to claim 4, wherein: the starting wire (9) is of an electric ignition head structure.
7. A circuit breaker according to claim 1, wherein: and the surface of the metal inner cylinder (2) is also provided with a spring locking piece (6) for locking the metal moving piece (4).
8. A circuit breaker according to claim 7, wherein: spring locking piece (6) is including being fixed in spacing barrel (6.1) on metal inner tube (2) surface and insulating casing (1) inboard, be equipped with spacing bolt (6.2) in spacing barrel (6.1), spacing bolt (6.2) top is passed through compression spring (6.3) and is connected with spacing barrel (6.1) top, cambered surface recess (4.2) cooperation that spacing bolt (6.2) bottom and metal moving part (4) surface were seted up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123284398.0U CN216980467U (en) | 2021-12-24 | 2021-12-24 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123284398.0U CN216980467U (en) | 2021-12-24 | 2021-12-24 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980467U true CN216980467U (en) | 2022-07-15 |
Family
ID=82346982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123284398.0U Active CN216980467U (en) | 2021-12-24 | 2021-12-24 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980467U (en) |
-
2021
- 2021-12-24 CN CN202123284398.0U patent/CN216980467U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of circuit breaker Effective date of registration: 20231214 Granted publication date: 20220715 Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch Pledgor: Hubei and Andun Fire Technology Co.,Ltd. Registration number: Y2023980071183 |