CN221407206U - Circuit and structure based on circuit breaker wiring port temperature variation - Google Patents
Circuit and structure based on circuit breaker wiring port temperature variation Download PDFInfo
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- CN221407206U CN221407206U CN202322890116.4U CN202322890116U CN221407206U CN 221407206 U CN221407206 U CN 221407206U CN 202322890116 U CN202322890116 U CN 202322890116U CN 221407206 U CN221407206 U CN 221407206U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 10
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- 239000003990 capacitor Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 4
- 230000005856 abnormality Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of circuit breakers, in particular to a circuit and a structure based on temperature change of a wiring port of a circuit breaker. The utility model also relates to a circuit based on the temperature change of the wiring port of the circuit breaker, which comprises an analysis processing system for controlling the circuit breaker, wherein the analysis processing system comprises an MCU, an alarm circuit, a power supply control circuit, a display circuit, a switch circuit, a temperature acquisition interface and a remote transmission interface; the step-down circuit comprises a rectifier bridge and a three-terminal voltage stabilizing chip; and the temperature sensing circuit is electrically connected with the MCU. The utility model also relates to a structure based on the temperature change of the wiring port of the circuit breaker, which comprises a port temperature acquisition device, wherein the port temperature acquisition device comprises the circuit breaker, and a temperature sensor is arranged on the wiring port arranged on the circuit breaker in a surface-mounted or embedded manner. The response speed is high, the temperature abnormality can be detected in time, and the occurrence of fire is reduced.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a circuit and a structure based on temperature change of a wiring port of a circuit breaker.
Background
At present, fire disasters caused by overheating caused by irregular wiring ports, poor port contact caused by long-time expansion and contraction or vibration are not few, and particularly the phenomena are obvious in old communities, construction sites and high-current electricity utilization places. For such a situation, the interior of the existing circuit breaker is protected by detecting the whole temperature, and when the internal temperature exceeds a threshold value, an alarm is given or an electricity switch is turned off. The device can solve the problems to a certain extent, but has slow response time due to heat conduction, and meanwhile, the device is difficult to confirm a heating source and has a real protection effect.
Disclosure of utility model
The utility model aims to overcome the defects and the shortcomings of the prior art and provides a circuit and a structure based on temperature change of a wiring port of a circuit breaker.
The technical scheme adopted by the utility model is as follows: the circuit based on the temperature change of the wiring port of the circuit breaker comprises an analysis processing system for controlling the circuit breaker, wherein the analysis processing system comprises an MCU, an alarm circuit, a power supply control circuit, a display circuit, a switch circuit, a temperature acquisition interface and a remote transmission interface; the step-down circuit comprises a rectifier bridge and a three-terminal voltage stabilizing chip; and the temperature sensing circuit is electrically connected with the MCU.
The utility model further provides that the MCU, the alarm circuit, the power supply control circuit, the display circuit, the switch circuit, the temperature acquisition interface and the remote transmission interface are all electrically connected with the MCU.
The utility model further provides that the voltage reducing circuit comprises a signal source and a transformer, one end of the transformer is electrically connected with the signal source, the other end of the transformer is electrically connected with the 1 port and the 3 port of the rectifier bridge, the 2 port and the 4 port of the rectifier bridge are respectively electrically connected with the 1 port of the three-terminal voltage stabilizing chip and grounded, and the 1 port and the 3 port of the three-terminal voltage stabilizing chip are connected with a first capacitor and a second capacitor.
The utility model further provides that the power supply control circuit comprises a triode and a relay, wherein the base electrode of the triode is connected with the MCU, the emitting electrode of the triode is grounded, and the control end of the relay is connected to the collector electrode of the triode.
The utility model is further arranged that the alarm circuit comprises a buzzer and a triode, wherein one end of the buzzer is electrically connected with the collector electrode of the triode, and the other end of the buzzer is connected with the power supply end.
The utility model is further arranged that the display circuit comprises a display screen LCD and a key switch which are electrically connected with the enabling end of the MCU.
By adopting the technical scheme, the circuit can monitor the temperature change of the wiring port of the circuit breaker in real time and analyze and process the temperature signal through the MCU. When the temperature exceeds a set value, the alarm circuit can trigger the buzzer to give an alarm, and the power supply control circuit can control the switching state of the circuit breaker. Meanwhile, the temperature information can be displayed and remotely transmitted through the display circuit and the remote transmission interface, so that the temperature of the interface is monitored and controlled.
The utility model provides a structure based on circuit breaker wiring port temperature variation, includes port temperature collection system, port temperature collection system includes the circuit breaker, the wiring port table subsides or the embedded temperature sensor that installs of circuit breaker setting.
The port temperature acquisition device is further provided with an installation bottom plate, the temperature sensor is installed on the wiring port through the installation bottom plate, the installation bottom plate is provided with an installation hole, and one end, close to the installation hole, of the installation bottom plate is provided with an acquisition interface.
The utility model further provides that the temperature sensor is a thermistor or a semiconductor junction.
The beneficial effects of the utility model are as follows: according to the circuit and the structure based on the temperature change of the wiring port of the circuit breaker, the temperature sensor is arranged at the wiring port, so that the temperature can be monitored in real time, the response speed is high, the occurrence of fire is prevented, the safety and the stability of equipment can be improved, the accidental loss is reduced, and better monitoring data and management effects can be provided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a circuit diagram of the present utility model;
FIG. 2 is a temperature acquisition device of the present utility model;
in the figure, 1, a circuit breaker; 11. a wiring port; 12. a temperature sensor; 13. a mounting base plate; 14. a mounting hole; 15. and (5) an acquisition interface.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, the utility model provides an embodiment of a circuit based on temperature change of a wiring port of a circuit breaker, which comprises an analysis processing system for controlling the circuit breaker, wherein the analysis processing system comprises an MCU, an alarm circuit, a power supply control circuit, a display circuit, a switch circuit, a temperature acquisition interface and a remote transmission interface; the step-down circuit comprises a rectifier bridge and a three-terminal voltage stabilizing chip; and the temperature sensing circuit is electrically connected with the MCU.
Illustratively, the MCU, the alarm circuit, the power control circuit, the display circuit, the switch circuit, the temperature acquisition interface and the remote transmission interface are all electrically connected with the MCU.
The step-down circuit comprises a signal source and a transformer, wherein one end of the transformer is electrically connected with the signal source, the other end of the transformer is electrically connected with the 1 port and the 3 port of the rectifier bridge, the 2 port and the 4 port of the rectifier bridge are respectively electrically connected with the 1 port of the three-terminal voltage stabilizing chip and grounded, and the 1 port and the 3 port of the three-terminal voltage stabilizing chip are connected with a first capacitor and a second capacitor.
The power supply control circuit comprises a triode and a relay, wherein the base electrode of the triode is connected with the MCU, the emitting electrode of the triode is grounded, and the control end of the relay is connected to the collector electrode of the triode.
The alarm circuit comprises a buzzer and a triode, wherein one end of the buzzer is electrically connected with a collector electrode of the triode, and the other end of the buzzer is connected with a power supply end.
Illustratively, the display circuit includes a display screen LCD and a key switch electrically connected to an enable terminal of the MCU. The circuit can monitor the temperature change of the wiring port of the circuit breaker in real time and analyze and process the temperature signal through the MCU. When the temperature exceeds a set value, the alarm circuit can trigger the buzzer to give an alarm, and the power supply control circuit can control the switching state of the circuit breaker. Meanwhile, the temperature information can be displayed and remotely transmitted through the display circuit and the remote transmission interface, so that the temperature of the interface is monitored and controlled.
As shown in fig. 2, the utility model further provides an embodiment of a structure based on the temperature change of the wiring port of the circuit breaker, which comprises a circuit based on the temperature change of the wiring port of the circuit breaker and a port temperature acquisition device, wherein the port temperature acquisition device comprises the circuit breaker 1, the circuit breaker 1 can be any of several P circuit breakers 1, and a temperature sensor 12 is arranged on the wiring port 11 arranged on the circuit breaker 1 in a surface-mounted or embedded manner.
Illustratively, a mounting base plate 13 is arranged on the port temperature acquisition device, the temperature sensor 12 is mounted on the wiring port 11 through the mounting base plate 13, a mounting hole 14 is formed in the mounting base plate 13, and an acquisition interface 15 is arranged at one end close to the mounting hole 14. The temperature sensor 12 is a thermistor or a semiconductor junction. The temperature sensor 12 installed on the wiring port 11 can monitor the temperature in real time, has high response speed, prevents fire, can improve the safety and stability of equipment, reduces accidental loss, and can provide better monitoring data and management effects.
The heat source is collected from the source for analysis, early warning and protection. The measure consists of three parts, namely an acquisition circuit, an analysis mechanism and an early warning and protecting device. The acquisition circuit is generally installed by adopting a temperature sensor (thermistor or semiconductor junction) in a surface-mounted or embedded mode, and acquires the temperature of the wiring port in real time and performs digital processing. The analysis mechanism is used for carrying out heating analysis on temperature acquisition data of the wiring ports, and mainly is used for analyzing temperature changes and balance conditions among the inlet and outlet ports and the inlet and outlet ports of each phase, namely, the conditions are mainly four, namely, the input and output ports of the same phase (line) are unbalanced, the phases (line) are balanced, the temperatures are abnormal, the temperatures of a single port or a plurality of ports are abnormal, and corresponding early warning and protection information is generated. The early warning and protecting device processes and controls the power switch according to the classification aiming at various early warning and protecting information, firstly backtracking and inquiring of heating conditions, secondly generating and alarming of early warning information, thirdly actively disconnecting protection and conditional recovery, and simultaneously carrying out remote transmission according to requirements.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (9)
1. A circuit based on circuit breaker wiring port temperature variation, comprising:
The analysis processing system for controlling the circuit breaker comprises an MCU, an alarm circuit, a power supply control circuit, a display circuit, a switch circuit, a temperature acquisition interface and a remote transmission interface;
The step-down circuit comprises a rectifier bridge and a three-terminal voltage stabilizing chip;
And the temperature sensing circuit is electrically connected with the MCU.
2. The circuit based on the temperature change of the wiring port of the circuit breaker according to claim 1, wherein the MCU, the alarm circuit, the power control circuit, the display circuit, the switch circuit, the temperature acquisition interface and the remote transmission interface are all electrically connected with the MCU.
3. The circuit based on the temperature change of the wiring port of the circuit breaker according to claim 2, wherein the voltage reducing circuit comprises a signal source and a transformer, one end of the transformer is electrically connected with the signal source, the other end of the transformer is electrically connected with the 1 port and the 3 port of the rectifier bridge, the 2 port and the 4 port of the rectifier bridge are respectively electrically connected with the 1 port of the three-terminal voltage stabilizing chip and grounded, and the 1 port and the 3 port of the three-terminal voltage stabilizing chip are connected with a first capacitor and a second capacitor.
4. A circuit based on temperature change of a wiring port of a circuit breaker as in claim 3 wherein the power control circuit comprises a triode and a relay, wherein the base of the triode is connected with the MCU, the emitter of the triode is grounded, and the control terminal of the relay is connected to the collector of the triode.
5. The circuit based on the temperature change of the wiring port of the circuit breaker according to claim 1, wherein the alarm circuit comprises a buzzer and a triode, one end of the buzzer is electrically connected with a collector of the triode, and the other end of the buzzer is connected with a power supply end.
6. The circuit based on the temperature change of the wiring port of the circuit breaker according to claim 1, wherein the display circuit comprises a display screen LCD and a key switch which are electrically connected with the enabling end of the MCU.
7. A structure based on circuit breaker wiring port temperature variation, comprising:
A circuit according to any one of claims 1-6 based on a change in temperature of a circuit breaker wiring port;
The port temperature acquisition device comprises a circuit breaker (1), and a temperature sensor (12) is arranged on a wiring port (11) arranged on the circuit breaker (1) in a surface-mounted or embedded mode.
8. The structure based on the temperature change of the wiring port of the circuit breaker according to claim 7, wherein the port temperature acquisition device is provided with a mounting base plate (13), the temperature sensor (12) is mounted on the wiring port (11) through the mounting base plate (13), the mounting base plate (13) is provided with a mounting hole (14), and one end, close to the mounting hole (14), is provided with an acquisition interface (15).
9. A circuit breaker junction port temperature change based structure according to claim 8 wherein the temperature sensor (12) is a thermistor or semiconductor junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322890116.4U CN221407206U (en) | 2023-10-26 | 2023-10-26 | Circuit and structure based on circuit breaker wiring port temperature variation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322890116.4U CN221407206U (en) | 2023-10-26 | 2023-10-26 | Circuit and structure based on circuit breaker wiring port temperature variation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221407206U true CN221407206U (en) | 2024-07-23 |
Family
ID=91935780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322890116.4U Active CN221407206U (en) | 2023-10-26 | 2023-10-26 | Circuit and structure based on circuit breaker wiring port temperature variation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221407206U (en) |
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2023
- 2023-10-26 CN CN202322890116.4U patent/CN221407206U/en active Active
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