CN112017873A - Circuit breaker integrated with wireless temperature measuring sensor - Google Patents
Circuit breaker integrated with wireless temperature measuring sensor Download PDFInfo
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- CN112017873A CN112017873A CN202010861906.8A CN202010861906A CN112017873A CN 112017873 A CN112017873 A CN 112017873A CN 202010861906 A CN202010861906 A CN 202010861906A CN 112017873 A CN112017873 A CN 112017873A
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- 238000009529 body temperature measurement Methods 0.000 claims abstract description 47
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 abstract description 26
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
The invention provides a circuit breaker integrated with a wireless temperature measurement sensor, which comprises an intelligent release, a main control module positioned in the intelligent release and a display module connected with the main control module, wherein a data receiving module is arranged in the intelligent release, the data receiving module is connected with the main control module, the data receiving module is wirelessly connected with the wireless temperature measurement module, and the wireless temperature measurement module is arranged in the circuit breaker. According to the invention, the wireless temperature measurement module is integrated in the circuit breaker, the original mutual inductor of the circuit breaker is directly used for supplying power, or the power is taken from the rear copper bar, so that the temperature monitoring cost is reduced; the data receiving module is integrated in the intelligent release, so that the intelligent release can receive and display the monitoring temperature data of the wireless temperature measuring module, the trouble that an additional monitor is required to be added on the circuit breaker for monitoring the temperature of the circuit breaker is avoided, and the temperature monitoring cost of the circuit on the low-voltage side is reduced.
Description
Technical Field
The invention belongs to the technical field of circuit breakers, and particularly relates to a circuit breaker integrated with a wireless temperature measuring sensor.
Background
The problem of temperature rise of switch contacts is a problem which is difficult to solve all the time, how to effectively monitor the switch contacts in real time becomes more important, and the monitoring of high-voltage switches in the market is common at present. The traditional method for detecting the temperature rise of the high-voltage switch is to arrange a temperature measuring sensor externally, monitor in real time by using a temperature measuring host and upload the temperature measuring sensor to a monitoring center. The sensors generally adopt PT100, so that insulativity among three phases is actually damaged, and potential safety hazards exist.
In order to solve the above technical problem, a wireless temperature measurement module is proposed, for example, chinese patent discloses a wireless sensor [ application number: 2018115204118], the patent provides a wireless sensor capable of self-power-up and wireless transmission of measurement data, which can better solve the temperature measurement problem on the high-voltage side.
Above-mentioned scheme is only to the temperature monitoring of high-pressure side, actual low pressure side electric current is bigger than high-pressure side electric current on the contrary, generate heat more easily, so the meaning of control is bigger, but because the low pressure side is compared in the high-pressure side because the loss that leads to after the problem appears that generates heat is little a lot, and temperature monitoring needs higher cost, so ignore the temperature monitoring to the low pressure side usually among the prior art, the temperature monitoring including above-mentioned scheme all only is directed against the high-pressure side, and present circuit breaker does not have the temperature monitoring function, need additionally set up temperature sensor, and additionally set up temperature monitor, the cost that has improved the temperature monitoring who realizes the low pressure side drops into.
Disclosure of Invention
The invention aims to solve the problems and provides a circuit breaker integrated with a wireless temperature measurement sensor.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an integrated wireless temperature measurement sensor's circuit breaker, include intelligent release and be arranged in the host system of intelligent release and connect in host system's display module, intelligent release in built-in have a data receiving module, the data receiving module connect in host system, just data receiving module wireless connection in wireless temperature measurement module, wireless temperature measurement module in place the circuit breaker in.
In the circuit breaker integrated with the wireless temperature measurement sensor, the wireless temperature measurement module is arranged in a mutual inductor of the circuit breaker.
In the circuit breaker integrated with the wireless temperature measuring sensor, the wireless temperature measuring module is connected to the mutual inductor so that the mutual inductor provides electric energy required by measurement and transmission of the wireless temperature measuring module.
In the circuit breaker integrated with the wireless temperature measuring sensor, the wireless temperature measuring modules are respectively arranged in the three mutual inductors on the three-phase line on the outgoing line side of the circuit breaker, and the three wireless temperature measuring modules are respectively connected with the data receiving module.
In the circuit breaker integrated with the wireless temperature measurement sensor, the wireless temperature measurement module is a self-power-taking wireless sensor.
In the circuit breaker integrated with the wireless temperature measurement sensor, the wireless temperature measurement module is fixed on a flexible power taking ring and is powered by the flexible power taking ring, and the wireless temperature measurement module is installed on a part to be measured through the flexible power taking ring.
In foretell integrated wireless temperature sensor's circuit breaker, the flexible electric ring of getting establish on the back copper bar of circuit breaker just wireless temperature measurement module contact in back copper bar in order to monitor back copper bar temperature.
In the circuit breaker of the integrated wireless temperature measurement sensor, the three-phase wiring terminal of the rear copper bar is provided with the flexible power taking ring for acquiring the temperature data of the three-phase line, and the three wireless temperature measurement modules are connected with the data receiving module in a wireless mode.
In the circuit breaker integrated with the wireless temperature measuring sensor, the wireless temperature measuring module is wirelessly connected with the data receiving module through a 2.4G or 433M wireless technology.
In the circuit breaker integrated with the wireless temperature measurement sensor, the tripping module of the intelligent release is coupled to the data receiving module through the main control module, so that the tripping action is executed when the current is lower than the first current threshold and the temperature reaches the temperature threshold.
The invention has the advantages that:
1. the temperature of the low-pressure side is monitored, so that a series of problems caused by overhigh temperature of the low-pressure side are avoided;
2. the wireless temperature measurement module is integrated in the circuit breaker, the original mutual inductor of the circuit breaker is directly used for supplying power, or power is taken from a rear copper bar, so that the temperature monitoring cost is reduced;
3. the data receiving module is integrated in the intelligent release, so that the intelligent release can receive and display the monitoring temperature data of the wireless temperature measuring module, the trouble that an additional monitor is required to be added on the circuit breaker for monitoring the temperature of the circuit breaker is avoided, and the temperature monitoring cost of the circuit on the low-voltage side is reduced.
Drawings
Fig. 1 is a block diagram of a circuit structure of a built-in data receiving module of an intelligent release according to an embodiment of the present invention;
FIG. 2 is a block diagram of a circuit structure in which a wireless temperature measurement module is built in a transformer according to a first embodiment of the present invention;
FIG. 3 is a block diagram of a circuit for three-phase temperature monitoring according to a first embodiment of the present invention;
fig. 4 is a schematic structural view of a flexible electricity-taking ring sleeved on a rear copper bar in the second embodiment of the present invention;
fig. 5 is a block diagram of a circuit structure in which a wireless temperature measurement module is built in a transformer in the third embodiment of the present invention.
Reference numerals: an intelligent release 1; a main control module 11; a display module 12; a trip module 13; a wireless temperature measuring module 2; a data receiving module 3; a mutual inductor 5; a flexible electricity taking ring 6; and a terminal 7.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
The prior art circuit breakers all have releases, and the types of releases are various, wherein the intelligent release is widely used because the intelligent release has the most functions and the most perfect protection.
At present, the intelligent release 1 comprises a main control module 11, a display module 12 and a release module 13 which are connected to the main control module 11, a data wireless receiving function is omitted, a function of monitoring temperature data is omitted, if a circuit at the circuit breaker is subjected to temperature monitoring, an additional monitor needs to be added on the circuit breaker, the intelligent release is very complicated, and the cost of temperature monitoring is increased.
As shown in fig. 1, in this embodiment, a data receiving module 3 is built in an intelligent release 1, the data receiving module 3 is wirelessly connected to a wireless temperature measuring module 2 through a 2.4G or 433M wireless technology to receive temperature measuring data of the wireless temperature measuring module 2, meanwhile, the data receiving module 3 is connected to a main control module 11 and transmits the received data to the main control module 11 through a standard UART serial port, and the main control module 11 displays the temperature data through a display module 12 of the intelligent release 1 itself. This embodiment is through the mode for intelligent release 1 built-in data receiving module 3, has avoided carrying out temperature monitoring to the circuit breaker circuit and still need increase the loaded down with trivial details of extra monitor on the circuit breaker. Moreover, the competition of the current intelligent release is day-to-day, and the competition advantage of the intelligent release can be greatly improved through the technical innovation and improvement of the intelligent release 1.
Further, this embodiment places wireless temperature measurement module 2 in the circuit breaker of low-voltage side department and is used for monitoring low-voltage side temperature, realizes the temperature monitoring to the low-voltage side to what adopt is wireless temperature measurement module, can transmit temperature data for data receiving module 3 with wireless mode.
Preferably, as shown in fig. 2, in the present embodiment, the wireless temperature measurement module 2 is embedded in a transformer 5 for current collection, which is conventionally used by a current breaker, and meanwhile, the wireless temperature measurement module 2 is connected to the transformer 5 so that the transformer 5 provides electric energy required by the measurement and transmission of the wireless temperature measurement module 2, thereby achieving the technical purpose of integrating wireless temperature measurement in a frame circuit breaker.
Utilize the existing mutual-inductor 5 of circuit breaker to supply power for wireless temperature measurement module 2, need not to get the electric module, directly with wireless temperature measurement module 2 built-in mutual-inductor 5 can, can enough acquire the electric energy of measuring and transmission, can carry out temperature monitoring to corresponding phase line again, simple structure and temperature monitoring cost further reduce.
Further, as shown in fig. 3, the circuit breaker generally has A, B, C three-phase lines, each phase line has a transformer 5, in this embodiment, each transformer 5 has a wireless temperature measurement module 2 inside, and the three wireless temperature measurement modules 2 are all connected to the data receiving module 3.
Example two
The present embodiment is similar to the present embodiment, except that the wireless temperature measuring module 2 of the present embodiment is fixed on a flexible power-taking ring 6, and the flexible power-taking ring 6 provides the wireless temperature measuring module 2 with electric energy required for measurement and transmission. And, since the flexible electricity take-off ring 6 is flexible, it can be mounted on any irregular body. For example, the wireless temperature measuring module 2 can be directly installed on a rear copper bar of the circuit breaker, and even embedded into the circuit breaker so as to integrate a wireless sensor with the circuit breaker.
Specifically, as shown in fig. 4, when the wireless sensor is installed on the back copper bar of the circuit breaker, the wireless temperature measurement module 2 is in contact with the back copper bar so as to monitor the temperature of the back copper bar, and the terminal 7 corresponding to the three phases of the back copper bar is sleeved with the flexible power taking ring 6 so as to acquire the temperature data of the three-phase line simultaneously, and the three wireless temperature measurement modules 2 are all wirelessly connected to the data receiving module 3.
EXAMPLE III
As shown in fig. 5, this embodiment is similar to the first or second embodiment, except that the tripping module 13 of the intelligent release 1 of this embodiment is coupled to the data receiving module 3 through the main control module 11, because there are two cases that the line temperature is too high, one is that the current is really large, and the temperature is high at this time, and it is normal, and then it is determined whether the circuit is normal or not according to the current as in the prior art, and the other is that the current is normal for the circuit breaker, but the temperature is too high, and then the circuit breaker is actually abnormal, so when the intelligent release is put into use, the main control module performs the following actions:
when the current is smaller than or equal to the first current threshold, if the temperature data reaches the temperature threshold, executing a tripping action; at the moment, the current is normal for the circuit breaker, and tripping is carried out to enter protection when the temperature is overhigh;
when the current is larger than the first current threshold and smaller than the second current threshold, no tripping action is executed no matter what the temperature data is; at the moment, the current is normal for the circuit breaker, but the current is large, so that the temperature data reaches the temperature threshold, and at the moment, the over-high temperature is caused by the large current, so that tripping is not executed;
and when the current is larger than the second current threshold, the tripping action is executed, and the current at the moment is abnormal for the circuit breaker, so that the tripping action is executed for protection.
The temperature data is received and arranged in the tripper, the tripper is subjected to function improvement by utilizing the temperature data, the current and the temperature can be integrated, the protection can be realized under the condition of overlarge current, and the protection can also be realized under the conditions of normal current and overhigh temperature. Through the integrated data receiving module 3 of intelligent release 1, both realized that intelligent release is to the receipt and the demonstration of the detection temperature data of wireless temperature measurement module, it is loaded down with trivial details that still need increase extra monitor on the circuit breaker to have avoided carrying out temperature monitoring to the circuit breaker circuit, reduce the temperature monitoring cost to the low pressure side circuit, the protect function of intelligent release has been perfected again, on original protection logic basis, increase the too high protect function of temperature, unexpected technological effect has been reached, the commercial value of intelligent release is greatly improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the smart release 1 is used more herein; a main control module 11; a display module 12; a trip module 13; a wireless temperature measuring module 2; a data receiving module 3; a circuit breaker; a mutual inductor 5; a flexible electricity taking ring 6; posts 7, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an integrated wireless temperature measurement sensor's circuit breaker, include intelligent release (1) and be arranged in intelligent release (1) host system (11) and connect in display module (12) of host system (11), its characterized in that, intelligent release (1) in built-in have data receiving module (3), data receiving module (3) connect in host system (11), just data receiving module (3) wireless connection in wireless temperature measurement module (2), wireless temperature measurement module (2) in place the circuit breaker in.
2. The circuit breaker with integrated wireless thermometric sensor according to claim 1, wherein the wireless thermometric module (2) is built in a transformer (5) of the circuit breaker.
3. The circuit breaker with the integrated wireless temperature measuring sensor as claimed in claim 2, wherein the wireless temperature measuring module (2) is connected to the transformer (5) so that the transformer (5) provides the electric energy required by the wireless temperature measuring module (2) for measuring and transmitting.
4. The circuit breaker with the integrated wireless temperature measuring sensor according to claim 3, wherein the wireless temperature measuring module (2) is respectively arranged in three transformers (5) on the three-phase line on the outgoing line side, and the three wireless temperature measuring modules (2) are connected to the data receiving module (3).
5. The circuit breaker with the integrated wireless temperature measurement sensor as claimed in claim 1, wherein the wireless temperature measurement module (2) is a self-powered wireless sensor.
6. The circuit breaker with the integrated wireless temperature measurement sensor as claimed in claim 5, wherein the wireless temperature measurement module (2) is fixed on a flexible power taking ring (6) and is powered by the flexible power taking ring (6), and the wireless temperature measurement module (2) is installed on a part to be measured through the flexible power taking ring (6).
7. The circuit breaker integrated with the wireless temperature measurement sensor according to claim 6, wherein the flexible power-taking ring (6) is sleeved on a rear copper bar of the circuit breaker, and the wireless temperature measurement module (2) is in contact with the rear copper bar to monitor the temperature of the rear copper bar.
8. The circuit breaker with the integrated wireless temperature measuring sensor according to claim 7, wherein the flexible power-taking ring (6) is sleeved on the three-phase binding post of the rear copper bar to obtain the temperature data of the three-phase line, and the three wireless temperature measuring modules (2) are all wirelessly connected to the data receiving module (3).
9. The circuit breaker with integrated wireless thermometric sensor of claim 8, wherein the wireless thermometric module is wirelessly connected to the data receiving module via 2.4G or 433M wireless technology.
10. The intelligent release integrating thermometric data receiving function according to claim 1, wherein the release module (13) of the intelligent release (1) is coupled to the data receiving module (3) through the main control module (11) to perform a release action when the current is lower than the first current threshold and the temperature reaches the temperature threshold.
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CN202010861906.8A CN112017873A (en) | 2020-08-25 | 2020-08-25 | Circuit breaker integrated with wireless temperature measuring sensor |
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CN202010861906.8A CN112017873A (en) | 2020-08-25 | 2020-08-25 | Circuit breaker integrated with wireless temperature measuring sensor |
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Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT241853B (en) * | 1963-08-21 | 1965-08-10 | Landis & Gyr Ag | Temperature controller for attachment to pipes or containers |
CN102221413A (en) * | 2011-03-11 | 2011-10-19 | 厦门骐航实业有限公司 | Electronic current voltage combined type mutual inductor with temperature measuring apparatus |
CN202066606U (en) * | 2011-05-06 | 2011-12-07 | 厦门Abb开关有限公司 | Intelligent temperature-measuring and current-measuring contact arm for circuit breaker and analysic system thereof |
CN102855729A (en) * | 2012-08-25 | 2013-01-02 | 于宝成 | Residual current type electric fire monitoring system capable of self-supplying power |
CN202839480U (en) * | 2012-05-31 | 2013-03-27 | 佛山奇正电气有限公司 | Safe intelligent plastic casing breaker |
CN204303704U (en) * | 2014-12-23 | 2015-04-29 | 常州帕斯菲克自动化技术股份有限公司 | The intelligent contact arm of breaker |
CN104597398A (en) * | 2015-01-31 | 2015-05-06 | 哈尔滨理工大学 | Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof |
EP2874170A1 (en) * | 2013-11-18 | 2015-05-20 | LSIS Co., Ltd. | Main circuit part of vacuum circuit breaker with self-powered temperature sensor assembly |
CN105186466A (en) * | 2015-09-25 | 2015-12-23 | 佛山市佳华电器科技发展有限公司 | Intelligent breaker with wireless data communication interface |
CN105321738A (en) * | 2015-11-19 | 2016-02-10 | 宁波奥克斯高科技有限公司 | Intelligent contact system |
CN107154326A (en) * | 2017-05-08 | 2017-09-12 | 天津市百利电气有限公司 | Omnipotent breaker intelligent controller with automatic measurement contact system temperature |
CN206725110U (en) * | 2017-03-21 | 2017-12-08 | 嘉兴恒创电力设计研究院有限公司 | A kind of high-voltage radio thermometric bus clip |
CN107481886A (en) * | 2016-06-08 | 2017-12-15 | 湖北湖开电气有限公司 | A kind of vacuum circuit breaker |
CN108318079A (en) * | 2018-03-23 | 2018-07-24 | 珠海多监测科技有限公司 | A kind of electricity and temperature monitoring combined type trans and cable status monitor system |
CN109459152A (en) * | 2018-12-12 | 2019-03-12 | 杭州休普电子技术有限公司 | Wireless temperature sensor |
CN109738726A (en) * | 2019-01-08 | 2019-05-10 | 江苏嘉顿威尔电气有限公司 | A kind of on-line monitoring surge protector thermal stability system |
CN111370271A (en) * | 2020-04-16 | 2020-07-03 | 厦门大恒科技有限公司 | Automatic reclosing circuit breaker with multi-type detection module |
CN210953143U (en) * | 2019-12-14 | 2020-07-07 | 上海亿盟电气自动化技术有限公司 | Busbar temperature-taking device for frame circuit breaker |
CN111525493A (en) * | 2020-04-07 | 2020-08-11 | 温州大学 | Thing networking intelligent circuit breaker based on WIFI mode |
-
2020
- 2020-08-25 CN CN202010861906.8A patent/CN112017873A/en active Pending
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT241853B (en) * | 1963-08-21 | 1965-08-10 | Landis & Gyr Ag | Temperature controller for attachment to pipes or containers |
CN102221413A (en) * | 2011-03-11 | 2011-10-19 | 厦门骐航实业有限公司 | Electronic current voltage combined type mutual inductor with temperature measuring apparatus |
CN202066606U (en) * | 2011-05-06 | 2011-12-07 | 厦门Abb开关有限公司 | Intelligent temperature-measuring and current-measuring contact arm for circuit breaker and analysic system thereof |
CN202839480U (en) * | 2012-05-31 | 2013-03-27 | 佛山奇正电气有限公司 | Safe intelligent plastic casing breaker |
CN102855729A (en) * | 2012-08-25 | 2013-01-02 | 于宝成 | Residual current type electric fire monitoring system capable of self-supplying power |
EP2874170A1 (en) * | 2013-11-18 | 2015-05-20 | LSIS Co., Ltd. | Main circuit part of vacuum circuit breaker with self-powered temperature sensor assembly |
CN204303704U (en) * | 2014-12-23 | 2015-04-29 | 常州帕斯菲克自动化技术股份有限公司 | The intelligent contact arm of breaker |
CN104597398A (en) * | 2015-01-31 | 2015-05-06 | 哈尔滨理工大学 | Intelligent pluggable circuit breaker and monitoring and pre-warning system thereof |
CN105186466A (en) * | 2015-09-25 | 2015-12-23 | 佛山市佳华电器科技发展有限公司 | Intelligent breaker with wireless data communication interface |
CN105321738A (en) * | 2015-11-19 | 2016-02-10 | 宁波奥克斯高科技有限公司 | Intelligent contact system |
CN107481886A (en) * | 2016-06-08 | 2017-12-15 | 湖北湖开电气有限公司 | A kind of vacuum circuit breaker |
CN206725110U (en) * | 2017-03-21 | 2017-12-08 | 嘉兴恒创电力设计研究院有限公司 | A kind of high-voltage radio thermometric bus clip |
CN107154326A (en) * | 2017-05-08 | 2017-09-12 | 天津市百利电气有限公司 | Omnipotent breaker intelligent controller with automatic measurement contact system temperature |
CN108318079A (en) * | 2018-03-23 | 2018-07-24 | 珠海多监测科技有限公司 | A kind of electricity and temperature monitoring combined type trans and cable status monitor system |
CN109459152A (en) * | 2018-12-12 | 2019-03-12 | 杭州休普电子技术有限公司 | Wireless temperature sensor |
CN109738726A (en) * | 2019-01-08 | 2019-05-10 | 江苏嘉顿威尔电气有限公司 | A kind of on-line monitoring surge protector thermal stability system |
CN210953143U (en) * | 2019-12-14 | 2020-07-07 | 上海亿盟电气自动化技术有限公司 | Busbar temperature-taking device for frame circuit breaker |
CN111525493A (en) * | 2020-04-07 | 2020-08-11 | 温州大学 | Thing networking intelligent circuit breaker based on WIFI mode |
CN111370271A (en) * | 2020-04-16 | 2020-07-03 | 厦门大恒科技有限公司 | Automatic reclosing circuit breaker with multi-type detection module |
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Application publication date: 20201201 |