CN214099527U - Circuit breaker with fire prevention function - Google Patents
Circuit breaker with fire prevention function Download PDFInfo
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- CN214099527U CN214099527U CN202023010599.7U CN202023010599U CN214099527U CN 214099527 U CN214099527 U CN 214099527U CN 202023010599 U CN202023010599 U CN 202023010599U CN 214099527 U CN214099527 U CN 214099527U
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- circuit breaker
- pressure storage
- storage box
- breaker body
- smoke sensor
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Abstract
The utility model provides a circuit breaker with fire prevention function, which belongs to the technical field of circuit breakers and comprises a circuit breaker body, a positioning port, a control switch, a handle part, a fixed block, a pressure storage box, a connecting frame, a nozzle, a temperature sensing glass ball, a smoke sensor and an alarm, when the circuit breaker is short-circuited to cause the circuit breaker to explode and catch fire, the temperature sensing glass ball decomposes a ball body into small fragments at high temperature, so that a liquid carbon dioxide fire extinguishing agent stored in the pressure storage box is discharged through the nozzle, the liquid carbon dioxide fire extinguishing agent sprayed out by the nozzle is rapidly diffused all around, the oxygen concentration in a circuit breaker control box can be reduced, the fire is extinguished by suffocation, other circuit breakers in the circuit breaker control box are prevented from being ignited when the circuit breaker body burns, the loss caused by the fire of the circuit breaker can be effectively reduced, the smoke sensor can sense smoke particles, the signal is sent to the alarm to give an alarm, and the position of the circuit breaker generated by the fault can be reminded at the first time.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is a circuit breaker.
Background
The low-voltage circuit breaker is also called automatic switch, and is a switching device which can not only switch on and off normal load current and overload current, but also switch on and off short-circuit current. The low-voltage circuit breaker has certain protection functions such as overload, short circuit, undervoltage and leakage protection besides the function of starting control in the circuit.
The current circuit breaker can not meet the requirements when the cutoff capacity is not enough, the cutoff capacity of the circuit breaker is too small due to the poor design, the cutoff capacity of the original circuit breaker can not meet the requirements due to the development of a power grid and the increase of the short-circuit capacity of a system, and the circuit breaker is poor in manufacturing quality and can not meet the requirements of name plate parameters of products. For the above reasons, when a short circuit occurs, the circuit breaker cannot cut off a short-circuit current, causing the circuit breaker to explode and catch fire.
Therefore, further research on the existing circuit breaker is needed to provide a new circuit breaker with a fire protection function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the weak point that exists among the prior art, provide a circuit breaker with fire prevention function.
In order to achieve the above object, the utility model provides a following technical scheme: a circuit breaker with a fireproof function comprises a circuit breaker body, a positioning port, a control switch, a handle part, a fixing block, a pressure storage box, a connecting frame, a spray head, a temperature sensing glass ball, a smoke sensor and an alarm, wherein the positioning port is formed in the lower end of the front side of the circuit breaker body, the control switch is arranged on the inner side, located on the positioning port, of the front side of the circuit breaker body, the handle part is arranged at the tail end of the control switch, the fixing blocks are arranged at the upper end and the lower end of the circuit breaker body, mounting holes are formed in the surface of the fixing blocks, the pressure storage box is arranged at the upper end of the front side of the circuit breaker body, an opening is formed in the bottom of the pressure storage box, the connecting frame is fixedly connected to the outer end, the spray head is arranged at the outer end of the connecting frame, the temperature sensing glass ball is fixedly connected to the opening of the inner side of the spray head, the smoke sensor is arranged at the lower end of the right side of the pressure storage box, and an alarm is arranged at the upper end of the left side of the pressure storage box.
Preferably, the pressure storage box is arranged in a concave shape, and the pressure storage box extends forwards to the outer end of the circuit breaker body.
Preferably, both sides of the pressure storage case extend to the left and right sides of the circuit breaker body.
Preferably, the pressure storage box is provided with a cavity, and the liquid carbon dioxide extinguishing agent is stored in the pressure storage box.
Preferably, the nozzle is positioned right above the control switch, and the other end of the temperature sensing glass ball is plugged at the opening of the pressure storage box.
Preferably, the smoke sensor is suspended at the side of the circuit breaker body, and the smoke sensor is located at the upper end of the side of the control switch.
Preferably, the smoke sensor and the alarm are connected with an external power supply through wires, and the smoke sensor is electrically connected with the alarm through the wires.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the circuit breaker with the fireproof function has the advantages that when the circuit breaker is short-circuited to cause explosion and fire of the circuit breaker, the temperature rises after firing, sealing liquid in the temperature sensing glass ball meets high-temperature gas and expands along with the rise of the temperature, the ball body is decomposed into small fragments at high temperature, the opening of the pressure storage box is released after the temperature sensing glass ball is broken, so that liquid carbon dioxide extinguishing agent stored in the pressure storage box is discharged through the spray head, the liquid carbon dioxide extinguishing agent sprayed out by the spray head quickly diffuses to the periphery and covers the circuit breaker body downwards, when the carbon dioxide is sprayed out from the storage container, the liquid is quickly vaporized into gas, partial heat is sucked from the periphery to play a cooling role, the carbon dioxide gas can be exhausted to surround the surface of the circuit breaker body or be distributed in a closed space, and the oxygen concentration in a circuit breaker control box is reduced, produce the effect of suffocating and put out a fire, ignite other circuit breakers in the circuit breaker control box when avoiding the burning of circuit breaker body, can effectively reduce the loss that the circuit breaker catches fire and brings.
(2) When the circuit breaker takes place the short circuit, arouse the circuit breaker explosion when on fire, the smog that the circuit breaker explosion produced floats upwards, smoke particle can be sensed to the smoke transducer of circuit breaker body side upper end department, smoke transducer senses behind the smog and sends signal to the siren, the siren of pressure storage box left side upper end department sends the police dispatch newspaper, the control switch that can remind the circuit breaker catches fire, can remind the position that the trouble produced the circuit breaker the very first time, be convenient for carry out quick response, be favorable to reducing the loss that the circuit breaker caught fire and brings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the schematic view of the connection structure of the pressure storage box of the present invention.
Fig. 3 is a schematic side view of the present invention.
In the figure: 1-a circuit breaker body; 2-positioning the opening; 3-control the switch; 4-a handle portion; 5, fixing blocks; 6-pressure storage box; 7-a connecting frame; 8-a spray head; 9-temperature sensing glass ball; 10-a smoke sensor; 11-an alarm; 501-mounting holes; 601-opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example (b):
as shown in figures 1-3;
the embodiment provides a circuit breaker with a fire prevention function, which comprises a circuit breaker body 1, a positioning port 2, a control switch 3, a handle part 4, a fixing block 5, a pressure storage box 6, a connecting frame 7, a spray head 8, a temperature sensing glass ball 9, a smoke sensor 10 and an alarm 11, wherein the positioning port 2 is arranged at the lower end of the front surface of the circuit breaker body 1, the control switch 3 is arranged at the inner side of the positioning port 2 at the front surface of the circuit breaker body 1, the handle part 4 is arranged at the tail end of the control switch 3, the fixing block 5 is arranged at the upper end and the lower end of the circuit breaker body 1, a mounting hole 501 is arranged on the surface of the fixing block 5, the pressure storage box 6 is arranged at the upper end of the front surface of the circuit breaker body 1, an opening 601 is arranged at the bottom of the pressure storage box 6, the connecting frame 7 is fixedly connected at the outer end of the opening 601 at the bottom of the pressure storage box 6, the spray head 8 is arranged at the outer end of the connecting frame 7, the temperature sensing glass ball 9 is fixedly connected at the inner side opening of the spray head 8, a smoke sensor 10 is arranged at the lower end of the right side of the pressure storage box 6, and an alarm 11 is arranged at the upper end of the left side of the pressure storage box 6.
Further, the pressure storage box 6 is provided in a concave shape, and the pressure storage box 6 extends forward to the outer end of the circuit breaker body 1.
Further, both sides of the pressure storage case 6 extend to the left and right sides of the circuit breaker body 1.
Further, the pressure storage box 6 is provided with a cavity, and the liquid carbon dioxide extinguishing agent is stored in the pressure storage box 6.
Further, the nozzle 8 is located right above the control switch 3, and the other end of the temperature sensing glass ball 9 is blocked at the opening 601 of the pressure storage box 6.
Further, the smoke sensor 10 is suspended at the side of the circuit breaker body 1, and the smoke sensor 10 is located at the upper end of the side of the control switch 3.
Further, the smoke sensor 10 and the alarm 11 are connected to an external power source through wires, and the smoke sensor 10 is electrically connected to the alarm 11 through the wires.
When the utility model is used, when the breaker is short-circuited, the explosion of the breaker is caused to cause fire, the temperature rises after firing, the sealing liquid in the temperature sensing glass ball 9 meets high-temperature gas and expands along with the rise of the temperature, the ball body is decomposed into small fragments at high temperature, the opening 601 of the pressure storage box 6 is released after the temperature sensing glass ball is broken, so that the liquid carbon dioxide extinguishing agent stored in the pressure storage box 6 is discharged through the spray head 8, the liquid carbon dioxide extinguishing agent sprayed out of the spray head 8 quickly diffuses to the periphery to cover the breaker body 1 downwards, when the carbon dioxide is sprayed out of the storage container, the liquid can be quickly vaporized into gas to attract partial heat from the periphery, the cooling effect is achieved, the carbon dioxide gas can be exhausted to surround the surface of the breaker body 1 or be distributed in a closed space, and the oxygen concentration in the breaker control box is reduced, the circuit breaker body 1 can be used for extinguishing fire by generating a suffocation effect, so that other circuit breakers in the circuit breaker control box are prevented from being ignited when the circuit breaker body 1 is burnt, and the loss caused by the ignition of the circuit breaker can be effectively reduced;
when the circuit breaker takes place the short circuit, arouse the circuit breaker explosion when on fire, the smog that the circuit breaker explosion produced floats upwards, smoke particle can be sensed to smoke transducer 10 at 1 side upper end department of circuit breaker body, smoke transducer 10 senses behind the smog and sends signal to siren 11, siren 11 at 6 left side upper ends departments of pressure storage box sends the police dispatch newspaper, the control switch that can remind the circuit breaker catches fire, can remind the position that the trouble produced the circuit breaker the very first time, be convenient for carry out quick response, be favorable to reducing the loss that the circuit breaker catches fire and brings.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (7)
1. A circuit breaker with a fireproof function comprises a circuit breaker body (1), a positioning opening (2), a control switch (3), a handle part (4), a fixing block (5), a pressure storage box (6), a connecting frame (7), a spray head (8), a temperature sensing glass ball (9), a smoke sensor (10) and an alarm (11), and is characterized in that the positioning opening (2) is arranged at the lower end of the front of the circuit breaker body (1), the control switch (3) is arranged on the inner side, located at the positioning opening (2), of the front of the circuit breaker body (1), the handle part (4) is arranged at the tail end of the control switch (3), the fixing blocks (5) are arranged at the upper end and the lower end of the circuit breaker body (1), mounting holes (501) are formed in the surface of the fixing blocks (5), the pressure storage box (6) is arranged at the upper end of the front of the circuit breaker body (1), the bottom of storing up pressure box (6) is provided with opening (601), the bottom of storing up pressure box (6) is located outer end fixedly connected with link (7) of opening (601), the outer end of link (7) is provided with shower nozzle (8), the inboard opening part fixedly connected with temperature sensing glass ball (9) of shower nozzle (8), the right side lower extreme department of storing up pressure box (6) is provided with smoke transducer (10), the left side upper extreme department of storing up pressure box (6) is provided with siren (11).
2. The circuit breaker with fire protection function according to claim 1, wherein the pressure storage box (6) is provided in a concave shape, and the pressure storage box (6) extends forward to an outer end of the circuit breaker body (1).
3. The circuit breaker with a fire protection function according to claim 1, wherein both sides of the pressure storage box (6) extend to the left and right sides of the circuit breaker body (1).
4. The circuit breaker with a fire protection function according to claim 1, wherein the pressure storage case (6) is provided with a cavity, and a liquid carbon dioxide extinguishing agent is stored inside the pressure storage case (6).
5. The circuit breaker with fire protection function according to claim 1, wherein the spray head (8) is located right above the control switch (3), and the other end of the temperature-sensitive glass ball (9) is blocked at the opening (601) of the pressure storage box (6).
6. The circuit breaker with a fire protection function according to claim 1, wherein the smoke sensor (10) is suspended at a side of the circuit breaker body (1), and the smoke sensor (10) is located at an upper end of the side of the control switch (3).
7. The circuit breaker with a fire protection function according to claim 1, wherein the smoke sensor (10) and the alarm (11) are connected to an external power source through electric wires, and the smoke sensor (10) is electrically connected to the alarm (11) through the electric wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023010599.7U CN214099527U (en) | 2020-12-14 | 2020-12-14 | Circuit breaker with fire prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023010599.7U CN214099527U (en) | 2020-12-14 | 2020-12-14 | Circuit breaker with fire prevention function |
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| Publication Number | Publication Date |
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| CN214099527U true CN214099527U (en) | 2021-08-31 |
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| CN202023010599.7U Active CN214099527U (en) | 2020-12-14 | 2020-12-14 | Circuit breaker with fire prevention function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116259513A (en) * | 2023-05-16 | 2023-06-13 | 汕头市易鹏科技有限公司 | Fireproof electric shock protection device |
-
2020
- 2020-12-14 CN CN202023010599.7U patent/CN214099527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116259513A (en) * | 2023-05-16 | 2023-06-13 | 汕头市易鹏科技有限公司 | Fireproof electric shock protection device |
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