CN220753343U - Intelligent circuit breaker - Google Patents
Intelligent circuit breaker Download PDFInfo
- Publication number
- CN220753343U CN220753343U CN202322492437.9U CN202322492437U CN220753343U CN 220753343 U CN220753343 U CN 220753343U CN 202322492437 U CN202322492437 U CN 202322492437U CN 220753343 U CN220753343 U CN 220753343U
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- circuit breaker
- intelligent circuit
- signal connection
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- temperature sensor
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- 239000000523 sample Substances 0.000 claims abstract description 4
- 239000010931 gold Substances 0.000 abstract description 4
- 229910052737 gold Inorganic materials 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to an intelligent circuit breaker which comprises a shell, a moving contact, a traction rod, an operating mechanism and wiring boards, wherein the moving contact, the traction rod, the operating mechanism and the wiring boards are arranged in the shell, the wiring boards are respectively arranged at two ends of the moving contact, the operating mechanism is in linkage connection with the moving contact, the traction rod is in linkage connection with the operating mechanism, the intelligent circuit breaker further comprises a temperature sensor, a signal connection board and a shunt release, a probe of the temperature sensor is respectively arranged at each wiring board to monitor the temperature of the wiring boards, the temperature sensor is connected with the signal connection board, the signal connection board is connected with the shunt release, and the shunt release is in linkage connection with the traction rod. According to the utility model, the temperature of the wiring board is monitored through the temperature sensor, when the temperature is too high, the shunt release is controlled to trip to realize thermal protection, the thermal protection function realized by double-gold in the past is replaced, the thermal protection function is not required to be implemented after calculation through the comprehensive protection module, and the stable and reliable thermal protection function is ensured.
Description
Technical Field
The utility model relates to a low-voltage electric switch, in particular to an intelligent circuit breaker.
Background
The intelligent circuit breaker combines the traditional circuit breaker with the Internet of things, achieves intelligent management of daily electric equipment, monitors electric faults in real time, alarms or trips, avoids occurrence of daily electric fires and electric shocks, and reduces potential safety hazards. The intelligent circuit breaker is required to have the functions of thermal protection tripping, magnetic protection tripping, electronic protection tripping and a series of signal control, wherein the thermal protection in the circuit breaker is generally realized by adopting double-gold, and the thermal protection is overload temperature rise protection and is also called overcurrent protection. The principle is that the bimetallic strip is heated and deformed when overload current passes through, and the trigger release is triggered to be disconnected to realize electrical protection. The integrated thermal protection function of the intelligent circuit breaker is realized by integrating the bimetallic strip into the product, but the installation of the bimetallic strip requires a certain space requirement, which is unfavorable for the miniaturization of the intelligent circuit breaker, and the assembly and the calibration are difficult to be completely consistent.
Disclosure of Invention
Aiming at the defects, the utility model provides the intelligent circuit breaker with simple structure and comprehensive functions.
In order to achieve the above purpose, the intelligent circuit breaker comprises a shell, a moving contact, a traction rod, an operating mechanism and wiring boards, wherein the moving contact, the traction rod, the operating mechanism and the wiring boards are arranged in the shell, the wiring boards are respectively arranged at two ends of the moving contact, the operating mechanism is in linkage connection with the moving contact, the traction rod is in linkage connection with the operating mechanism, the intelligent circuit breaker further comprises a temperature sensor, a signal connection board and a shunt release, probes of the temperature sensor are respectively arranged at each wiring board to monitor the temperature of the wiring boards, the temperature sensor is connected with the signal connection board, the signal connection board is connected with the shunt release, the shunt release is in linkage connection with the traction rod, and the temperature of the wiring boards is monitored by the temperature sensor to control the shunt release to act to push the traction rod to achieve overload protection.
The utility model has the beneficial effects that the temperature of the wiring board is monitored through the temperature sensor, when the temperature is too high, the shunt release is controlled to trip to realize thermal protection, the traditional thermal protection function realized by double-gold is replaced, the thermal protection function is not required to be implemented after calculation through the comprehensive protection module, the protection efficiency is high, and the stable and reliable thermal protection function is ensured.
The intelligent circuit breaker further comprises a mutual inductor mechanism, wherein the mutual inductor mechanism is sleeved on the wiring board and is connected with the signal connection board. The transformer is used for collecting each phase of current and zero sequence current, so that the functions of power supply, monitoring, metering and leakage protection of the circuit are realized.
The intelligent circuit breaker further comprises a comprehensive protection module, and the comprehensive protection module is detachably connected to the signal connection plate. The comprehensive protection module can receive signals collected by the temperature sensor and the mutual inductor mechanism after being connected, calculates various data such as collected temperature, current, zero sequence current and the like, realizes automatic control, adopts detachable connection, is convenient to disassemble and assemble, is convenient to overhaul and replace, and does not influence overload and short-circuit protection functions of the circuit breaker after disassembly.
The utility model further provides that a magnetic protection mechanism is arranged between the movable contact and the wiring board at the rear side of the movable contact, and the magnetic protection mechanism is connected with the traction rod in a linkage way. The magnetic protection mechanism adopts a swingable armature to realize the short-circuit protection function.
The utility model further provides that the comprehensive protection groove is formed on the shell, and the comprehensive protection module is detachably arranged in the comprehensive protection groove. The comprehensive protection module is arranged in the comprehensive protection groove more stably, and the lead seal can be arranged outside the comprehensive protection module to prevent electricity theft.
The intelligent circuit breaker further comprises a temperature control plate, the temperature sensor is connected to the temperature control plate, the temperature control plate is arranged at the bottom of the shell, the bottom plate is covered on the outer side of the temperature control plate, and the temperature control plate is connected with the signal connection plate. The temperature sensor is connected on the temperature control plate more stably, and can be connected with the signal connecting plate by adopting the contact pin, so that the production and the assembly are convenient.
The utility model is further arranged that the signal connection plate is arranged below the comprehensive protection groove, and the signal connection plate is provided with a connector socket which extends into the bottom of the comprehensive protection groove. The comprehensive protection module realizes detachable plug connection with the signal connection board through the matching of the connector pins and the sockets, and the connection is convenient and reliable.
The shunt release is further arranged on one side of the operating mechanism, and the other side of the operating mechanism is provided with a communication expansion board. The communication expansion board can be provided with communication modules such as Bluetooth, carrier communication and the like, and is convenient to connect, replaceable and easy to maintain.
The utility model further provides that microswitches are arranged below the shunt release and the communication expansion board, a linkage angle is hinged below the microswitches, and the linkage angle is in linkage connection with the moving contact. The linkage angle can monitor the state of the moving contact, and a switch signal is fed back through the micro switch.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is a side view of an embodiment of the utility model with the housing removed.
Fig. 4 is a schematic illustration of an embodiment of the utility model with the housing removed.
Fig. 5 is a schematic illustration of an embodiment of the utility model with the housing and transformer mechanism removed.
Fig. 6 is a front view of an embodiment of the utility model with the housing and transformer mechanism removed.
Fig. 7 is a schematic diagram of the connection of the magnetic protection mechanism and the traction rod according to an embodiment of the present utility model.
Fig. 8 is a schematic circuit diagram of an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 8, a specific embodiment of the present utility model is an intelligent circuit breaker, which comprises a housing 1, a moving contact 2, a traction rod 3, an operating mechanism, a wiring board 4, a mutual inductor mechanism 5, a temperature sensor 6, a signal connection board 7, a shunt release 8, a magnetic protection mechanism 9 and a comprehensive protection module 10, wherein the moving contact 2 is arranged in the housing 1, the operating mechanism is connected with the traction rod 3 in a linkage manner, the wiring board 4 is respectively arranged at two ends of the moving contact 2, the outer ends of the wiring board 4 are respectively provided with a wiring bolt 41, wherein the inner end of the wiring board 4 at the front end of the moving contact 2 forms a fixed contact 42 opposite to the moving contact 2, the magnetic protection mechanism 9 is arranged on the wiring board 4 at the rear side of the moving contact 2, the magnetic protection mechanism 9 comprises an armature bracket 91 and an armature 92, the armature bracket 91 is sleeved on the wiring board 4, the armature 92 is hinged on the armature bracket 91, and the armature 92 forms a armature rod 93 in a linkage connection with the traction rod 3, and the specific embodiment realizes a short-circuit protection function through the magnetic protection mechanism 9.
The transformer mechanism 5 is sleeved on the wiring board 4 outside the magnetic protection mechanism 9, the signal connection board 7 is arranged on the transformer mechanism 5, the transformer mechanism 5 is connected with the signal connection board 7, the transformer mechanism 5 collects current signals through a current transformer and supplies power to a circuit, and meanwhile, the transformer mechanism also has a zero sequence transformer for collecting zero sequence current to realize leakage protection.
The probe of the temperature sensor 6 is respectively arranged at each wiring board 4 to monitor the temperature of the wiring boards 4, the temperature sensor 6 is connected to the temperature control board 61, the temperature control board 61 is arranged at the bottom of the shell 1, the bottom board 11 is covered on the outer side of the temperature control board 61, the temperature sensor 6 is connected with the signal connection board 7 through the temperature control board 61, the signal connection board 7 is connected with the shunt release 8, a shunt hook 81 is formed on the shunt release 8, a shunt lug 31 is formed on the traction rod 3, the shunt release 8 is hooked outside the shunt lug 31 through the shunt hook 81 to realize linkage connection with the traction rod 3, the temperature sensor 6 is used for monitoring the temperature of the wiring boards 4, when the temperature is too high, the shunt release 8 is controlled to pull the traction rod 3 to release to realize heat (overload) protection, the heat (overload) protection function realized by double gold in the past is replaced, the heat (overload) protection function does not need to be calculated through the comprehensive protection module 10, and then the shunt release 8 is driven, and the stable and reliable heat (overload) protection function is ensured.
The comprehensive protection groove 12 is formed on the shell 1, the signal connection plate 7 is arranged below the comprehensive protection groove 12, a connector socket is arranged on the signal connection plate 7 and extends into the bottom of the comprehensive protection groove 12, the comprehensive protection module 10 is arranged in the comprehensive protection groove 12, and the comprehensive protection module 10 is detachably connected to the signal connection plate 7. The comprehensive protection module 10 can receive signals collected by the temperature sensor 6 and the mutual inductor mechanism 5 after being connected, the comprehensive protection module 10 calculates various data such as collected temperature, current, zero sequence current and the like, automatic control is achieved, detachable connection is adopted, disassembly and assembly are convenient, overhaul and replacement of the comprehensive protection module 10 are convenient, and overload and short-circuit protection functions of a circuit breaker are not affected after disassembly.
The shunt release 8 is arranged on one side of the operating mechanism, the other side of the operating mechanism is provided with a communication expansion board 13, and communication modules such as Bluetooth, carrier communication and the like can be installed on the communication expansion board 13, so that the shunt release is convenient to connect, replaceable and easy to maintain. The lower parts of the shunt release 8 and the communication expansion board 13 are respectively provided with a micro switch, the lower parts of the micro switches are hinged with a linkage angle 82, and the linkage angle 82 is in linkage connection with the movable contact 2. The linkage angle 82 can monitor the state of the movable contact 2, and a switch signal is fed back through the micro switch.
The preferred embodiment of the utility model in the specific embodiments described above, other obvious variations are within the scope of protection according to the claims.
Claims (9)
1. The utility model provides an intelligent circuit breaker, includes casing and the movable contact, traction lever, operating device, the wiring board of setting in the casing, and the wiring board sets up respectively at the both ends of movable contact, and operating device is connected with the movable contact linkage, and the traction lever is connected with operating device linkage, its characterized in that: the intelligent circuit breaker further comprises a temperature sensor, a signal connection plate and a shunt release, wherein probes of the temperature sensor are respectively arranged at each wiring board to monitor the temperature of the wiring boards, the temperature sensor is connected with the signal connection plate, the signal connection plate is connected with the shunt release, the shunt release is connected with the traction rod in a linkage manner, and the temperature of the wiring boards is monitored through the temperature sensor to control the shunt release to act so as to push the traction rod to achieve overload protection.
2. The intelligent circuit breaker according to claim 1, wherein: the intelligent circuit breaker further comprises a mutual inductor mechanism, wherein the mutual inductor mechanism is sleeved on the wiring board and connected with the signal connection board.
3. The intelligent circuit breaker according to claim 1 or 2, characterized in that: the intelligent circuit breaker further comprises a comprehensive protection module, and the comprehensive protection module is detachably connected to the signal connection plate.
4. The intelligent circuit breaker according to claim 1, wherein: a magnetic protection mechanism is arranged between the movable contact and the wiring board at the rear side of the movable contact, and the magnetic protection mechanism is connected with the traction rod in a linkage manner to realize short-circuit protection.
5. The intelligent circuit breaker of claim 3, wherein: and the comprehensive protection module is detachably arranged in the comprehensive protection groove.
6. The intelligent circuit breaker according to claim 1, wherein: the intelligent circuit breaker comprises a temperature control plate, the temperature sensor is connected to the temperature control plate, the temperature control plate is arranged at the bottom of the shell, the bottom plate is covered on the outer side of the temperature control plate, and the temperature control plate is connected with the signal connection plate.
7. The intelligent circuit breaker of claim 5, wherein: the signal connection board is arranged below the comprehensive protection groove, and the signal connection board is provided with a connector socket which extends into the bottom of the comprehensive protection groove.
8. The intelligent circuit breaker according to claim 1, wherein: the shunt release is arranged on one side of the operating mechanism, and a communication expansion board is arranged on the other side of the operating mechanism.
9. The intelligent circuit breaker of claim 8, wherein: and microswitches are arranged below the shunt release and the communication expansion board, and a linkage angle is hinged below the microswitches and is in linkage connection with the moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322492437.9U CN220753343U (en) | 2023-09-13 | 2023-09-13 | Intelligent circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322492437.9U CN220753343U (en) | 2023-09-13 | 2023-09-13 | Intelligent circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753343U true CN220753343U (en) | 2024-04-09 |
Family
ID=90561655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322492437.9U Active CN220753343U (en) | 2023-09-13 | 2023-09-13 | Intelligent circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753343U (en) |
-
2023
- 2023-09-13 CN CN202322492437.9U patent/CN220753343U/en active Active
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