CN210516661U - Plastic case circuit breaker - Google Patents
Plastic case circuit breaker Download PDFInfo
- Publication number
- CN210516661U CN210516661U CN201921968695.7U CN201921968695U CN210516661U CN 210516661 U CN210516661 U CN 210516661U CN 201921968695 U CN201921968695 U CN 201921968695U CN 210516661 U CN210516661 U CN 210516661U
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- bimetallic strip
- base
- setting
- copper bar
- circuit breaker
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Abstract
The utility model relates to a moulded case circuit breaker, including base, setting upper cover on the base, control scheme board, operating device, contact system, electromagnetism tripping device, the setting of one side department that corresponds electromagnetism tripping device in the base bimetallic strip, inlet wire copper bar, the copper bar of being qualified for the next round of competitions of setting in the base, bimetallic strip on be provided with temperature monitoring module, this temperature monitoring module is including setting up thermal element on the bimetallic strip, setting wiring nose on thermal element, setting temperature-sensing probe on wiring nose, temperature-sensing probe and control scheme board between be connected through the wire, thermal element connect and serve at one of electromagnetism tripping device's coil, the other end of electromagnetism tripping device's coil is connected at the inlet wire copper bar. The utility model has the advantages of simple structure, dependable performance, installation are convenient, high security.
Description
Technical Field
The utility model particularly relates to a moulded case circuit breaker.
Background
At present, the electronic molded case circuit breaker is used for infrequent conversion and motor protection in a circuit with 50Hz alternating current, 690V rated working voltage and 1250A rated current. The circuit breaker has overload long time delay inverse time limit, short circuit short time delay fixed time limit, short circuit instantaneous and under-voltage protection function, can protect circuit and power supply equipment from being damaged, along with the popularization of smart power grids, be provided with the remote monitoring function module on the current electronic type moulded case circuit breaker, the remote monitoring module can remote monitoring circuit breaker's voltage, functions such as temperature, however, the current electronic type moulded case circuit breaker's remote monitoring device's structural design is unreasonable, thereby lead to this electronic type moulded case circuit breaker to have the defect that the structure is complicated, the performance is unreliable, it is inconvenient to install.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, dependable performance, install convenient, the moulded case circuit breaker of high security.
For realizing the above-mentioned purpose, the utility model discloses a moulded case circuit breaker, including base, upper cover, the control scheme board of setting in the base, operating device, contact system, electromagnetic tripping mechanism of setting on the base, one side department that corresponds electromagnetic tripping mechanism sets up bimetallic strip, inlet wire copper bar, the copper bar of being qualified for the next round of competitions in the base, bimetallic strip on be provided with temperature monitoring module, this temperature monitoring module is including setting up thermal element on the bimetallic strip, setting wiring nose, the temperature-sensing probe of setting on wiring nose on thermal element, temperature-sensing probe and control scheme board between be connected through the wire, thermal element connect and serve at one of electromagnetic tripping mechanism's coil, the other end of electromagnetic tripping mechanism's coil is connected at the inlet wire copper bar.
The beneficial effect of above-mentioned structure is: the temperature monitoring module is arranged on the bimetallic strip, the temperature sensing probe can transmit the temperature signal of the bimetallic strip to the control circuit board, and the control circuit board can transmit the temperature signal to external equipment, so that the temperature remote monitoring of the temperature monitoring module can be realized, the improvement of the safety of circuit operation is facilitated, and the molded case circuit breaker has the advantages of simple structure, reliable performance, convenience and quickness in installation and high safety.
Particularly, an adjusting screw is arranged at the upper end of the bimetallic strip, an adjusting nut is arranged on the adjusting screw, and one end of the adjusting screw acts along with the bimetallic strip and can abut against the traction rod, so that the tripping action of the traction rod is realized. The adjusting screw is arranged on the bimetallic strip, when the circuit is abnormal, the bimetallic strip is heated and bent, and the adjusting screw on the bimetallic strip pushes the traction rod, so that tripping and brake opening of the circuit breaker are realized.
Particularly, the base in correspond bimetallic strip department and be provided with the boss, be provided with the backup pad on this boss, the one end of this backup pad extends and is formed with the connecting portion of bending towards the inlet wire copper bar direction, the lower extreme of bimetallic strip connect on the connecting portion of bending. The bimetallic strip is arranged on the supporting plate, so that the module installation of the temperature monitoring module is facilitated, and the installation efficiency of the molded case circuit breaker is improved.
Drawings
Fig. 1 is an internal structure diagram of the embodiment of the present invention.
Fig. 2 is a perspective view of the temperature monitoring module according to the embodiment of the present invention.
Fig. 3 is an assembly view of the temperature sensing probe and the connection lug according to the embodiment of the present invention.
Fig. 4 is a perspective view of the base according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1-4, an embodiment of the present invention is a molded case circuit breaker, including a base 10, an upper cover disposed on the base 10, a control circuit board disposed in the base 10, an operating mechanism 20, a contact system 21, an electromagnetic trip mechanism 22, a bimetal 12 disposed in the base 10 at a position corresponding to one side of the electromagnetic trip mechanism 22, an incoming line copper bar 13, and an outgoing line copper bar, 14, a temperature monitoring module 30 is disposed on the bimetal 12, the temperature monitoring module 30 comprises a thermal element 31 arranged on the bimetallic strip 12, a wiring lug 32 arranged on the thermal element 31, and a temperature sensing probe 33 arranged on the wiring lug 32, the temperature sensing probe 33 is connected with the control circuit board through a lead 34, the thermal element 31 is connected with one end of a coil 221 of the electromagnetic tripping mechanism 22, and the other end of the coil 221 of the electromagnetic tripping mechanism 22 is connected with the incoming line copper bar 13. An adjusting screw 121 is arranged at the upper end of the bimetallic strip 12, an adjusting nut 122 is arranged on the adjusting screw 121, and one end of the adjusting screw 121 acts along with the bimetallic strip 12 and can abut against the traction rod 15, so that the tripping action of the traction rod 15 is realized. The adjusting screw is arranged on the bimetallic strip, when the circuit is abnormal, the bimetallic strip is heated and bent, and the adjusting screw on the bimetallic strip pushes the traction rod, so that tripping and brake opening of the circuit breaker are realized.
As shown in fig. 2 and 4, a boss 101 is disposed in the base 10 corresponding to the bimetal strip 12, a support plate 16 is disposed on the boss 101, one end of the support plate 16 extends toward the incoming line copper bar 13 and is formed with a bent connection portion 161, and the lower end of the bimetal strip 12 is connected to the bent connection portion 161. The bimetallic strip is arranged on the supporting plate, so that the module installation of the temperature monitoring module is facilitated, and the installation efficiency of the molded case circuit breaker is improved.
The temperature monitoring module is arranged on the bimetallic strip, the temperature sensing probe can transmit the temperature signal of the bimetallic strip to the control circuit board, and the control circuit board can transmit the temperature signal to external equipment, so that the temperature remote monitoring of the temperature monitoring module can be realized, the improvement of the safety of circuit operation is facilitated, and the molded case circuit breaker has the advantages of simple structure, reliable performance, convenience and quickness in installation and high safety.
Claims (3)
1. The utility model provides a moulded case circuit breaker, includes the base, sets up upper cover on the base, sets up control scheme board, operating device, contact system, electromagnetism tripping device in the base, corresponds one side department setting bimetallic strip, inlet wire copper bar, the copper bar of being qualified for the next round of competitions of electromagnetism tripping device in the base, its characterized in that: the bimetallic strip on be provided with temperature monitoring module, this temperature monitoring module is including setting up thermal element on the bimetallic strip, setting up wiring nose, the temperature-sensing probe of setting on wiring nose on the thermal element, temperature-sensing probe and control scheme board between be connected through the wire, the thermal element connect on one end of electromagnetic tripping mechanism's coil, the other end of electromagnetic tripping mechanism's coil is connected at the inlet wire copper bar.
2. The molded case circuit breaker according to claim 1, wherein: the upper end of the bimetallic strip is provided with an adjusting screw, an adjusting nut is arranged on the adjusting screw, and one end of the adjusting screw acts along with the bimetallic strip and can abut against the traction rod, so that the tripping action of the traction rod is realized.
3. A molded case circuit breaker according to claim 1 or 2, characterized in that: the base in correspond bimetallic strip department and be provided with the boss, be provided with the backup pad on this boss, the one end of this backup pad extends and is formed with the connecting portion of bending towards inlet wire copper bar direction, the lower extreme of bimetallic strip connect on the connecting portion of bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921968695.7U CN210516661U (en) | 2019-11-14 | 2019-11-14 | Plastic case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921968695.7U CN210516661U (en) | 2019-11-14 | 2019-11-14 | Plastic case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516661U true CN210516661U (en) | 2020-05-12 |
Family
ID=70574665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921968695.7U Active CN210516661U (en) | 2019-11-14 | 2019-11-14 | Plastic case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516661U (en) |
-
2019
- 2019-11-14 CN CN201921968695.7U patent/CN210516661U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Huanyu Hi Tech Co.,Ltd. Address before: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: HUANYU GROUP ZHEJIANG HIGH-TECH Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |