CN112053917A - Thing allies oneself with surplus current operated circuit breaker - Google Patents
Thing allies oneself with surplus current operated circuit breaker Download PDFInfo
- Publication number
- CN112053917A CN112053917A CN202011097648.7A CN202011097648A CN112053917A CN 112053917 A CN112053917 A CN 112053917A CN 202011097648 A CN202011097648 A CN 202011097648A CN 112053917 A CN112053917 A CN 112053917A
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- circuit breaker
- operating handle
- switching
- rack
- breaker body
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- 238000004891 communication Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000011664 signaling Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H2071/109—Operating or release mechanisms with provisions for selecting between automatic or manual reset
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Abstract
The invention discloses a thing-connected residual current operated circuit breaker, which comprises a circuit breaker body, wherein a switching-on and switching-off operating handle is arranged on the circuit breaker body, slide rails are arranged on two sides of the switching-on and switching-off operating handle, slide blocks are arranged on the slide rails in a sliding manner, the switching-on and switching-off operating handle is movably arranged on the slide blocks in a penetrating manner, the upper end of the switching-on and switching-off operating handle extends out of the upper side of the slide blocks, a switching-on and switching-off driving mechanism is further arranged in the circuit breaker body, a driving gear is arranged on an output shaft of the switching-on and switching-off driving mechanism, the driving gear is meshed with a rack, a guide sleeve is arranged in the circuit breaker body. The thing allies oneself with surplus current operated circuit breaker can realize the manual operation and the automatic operation and the switching-over of divide-shut brake, fuses multiple communication mode as an organic whole, and measurement accuracy is high, compact structure, small.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to an internet of things residual current operated circuit breaker.
Background
The existing intelligent molded case circuit breaker is low in measurement accuracy and single in communication function, only an RS232 or RS485 communication interface is configured, although the communication management function can be achieved through a communication adapter, only the single communication mode is difficult to adapt to the communication development in the future and the development trend of miniaturization. Due to the rapid development of power systems, products are required to have high-precision measurement functions, and various communication modes are integrated, so that the products with single function are not suitable for the market.
Disclosure of Invention
The invention mainly aims to provide an Internet of things residual current operated circuit breaker, which can realize manual operation, automatic operation and switching of opening and closing, integrates multiple communication modes, and has the advantages of high measurement precision, compact structure and small volume.
In order to achieve the purpose, the invention provides an internet of things residual current operated circuit breaker, which comprises a circuit breaker body, wherein an opening and closing operation handle is arranged on the circuit breaker body, slide rails are arranged on two sides of the opening and closing operation handle, a slide block is arranged on the slide rails in a sliding mode, the opening and closing operation handle is movably arranged on the slide block in a penetrating mode, the upper end of the opening and closing operation handle extends out of the upper side of the slide block, an opening and closing driving mechanism is further arranged in the circuit breaker body, a driving gear is arranged on an output shaft of the opening and closing driving mechanism and meshed with a rack, a guide sleeve is arranged in the circuit breaker body, one end of the rack is movably arranged in the guide sleeve in a penetrating mode, the other end of the rack is connected.
Furthermore, the rack is hinged with the sliding block, the automatic manual switching mechanism comprises a manual operation and automatic operation switching knob, and a shifting block is arranged on the manual operation and automatic operation switching knob; the shifting block is used for shifting the rack when the manual operation and automatic operation conversion knob rotates to a manual operation position so as to separate the rack from the driving gear; the rack is connected with a return spring for returning the rack when the manual operation and automatic operation switching knob is rotated to the automatic operation position, so that the rack is engaged with the driving gear.
Furthermore, a communication module connecting substrate is arranged on the circuit breaker body, and a plug-in communication module is detachably inserted on the communication module connecting substrate; the plug-in communication module is connected with an external power supply through the power supply module, and the plug-in communication module is further connected with a power supply end of a processor in the circuit breaker body to provide working voltage for the processor.
Furthermore, an intelligent control system is also arranged in the circuit breaker body and comprises a main control microcontroller, a high-precision measuring mutual inductor, a power supply voltage measuring element, a load current measuring element, a zero sequence current measuring element, front and rear connecting terminal temperature measuring elements of the circuit breaker, a remote signaling system and a remote control system, wherein the high-precision measuring mutual inductor, the power supply voltage measuring element, the load current measuring element, the zero sequence current measuring element, the front and rear connecting terminal temperature measuring elements of the circuit breaker, the remote signaling system and the remote control system are all connected with the main control microcontroller.
Furthermore, a switching-on/off circuit board is further arranged in the circuit breaker body, the switching-on/off driving mechanism is connected with the switching-on/off circuit board, and the switching-on/off circuit board is connected with the master control microcontroller.
Further, the circuit breaker body comprises a bottom shell and a middle cover, the middle cover covers the bottom shell, the opening and closing operating handle is installed in the bottom shell, a first operating handle extending opening is formed in the middle cover, the opening and closing operating handle extends out of the first operating handle extending opening, and the sliding rail is installed on the periphery of the first operating handle extending opening.
Furthermore, a driving mechanism mounting groove is formed in the middle cover, and the opening and closing driving mechanism is mounted in the driving mechanism mounting groove.
Furthermore, the circuit breaker body also comprises an upper cover, the upper cover covers the middle cover, a second operating handle extending opening is formed in the upper cover, the opening and closing operating handle extends out of the second operating handle extending opening, an automatic and manual switching knob extending opening is further formed in the upper cover, and the automatic and manual switching mechanism extends out of the automatic and manual switching knob extending opening.
Furthermore, the upper cover is provided with a plug-in communication module hatch and a hatch cover for opening or closing the plug-in communication module hatch.
Furthermore, a local communication interface connecting plate is arranged on the middle cover, a local communication and control port is arranged on the local communication interface connecting plate, a mounting port is arranged on the upper cover, and the local communication and control port is mounted in the mounting port.
Compared with the prior art, the invention has the following beneficial effects:
according to the internet of things residual current operated circuit breaker, the communication module is arranged on the circuit breaker and connected with the base plate, and the plug-in communication module is detachably inserted, so that multiple communication modes are integrated, and the problem that the existing circuit breaker is single in communication function is solved; by arranging the intelligent control system, the measurement precision of voltage and current is effectively improved; manual operation and automatic operation of opening and closing can be realized through the opening and closing driving mechanism and the automatic and manual switching mechanism, and switching between a manual mode and an automatic mode is realized; the plug-in communication module, the intelligent control system, the opening and closing driving mechanism and the like are assembled in the shell of the circuit breaker, so that the structure is compact, the size is small, and the circuit breaker is more suitable for the application field of the miniaturized Internet of things.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the internet-of-things residual current operated circuit breaker of the present invention.
Fig. 2 is an installation schematic diagram of a plug-in communication module in the internet of things residual current operated circuit breaker of the invention.
Fig. 3 is a schematic structural diagram of the internet of things residual current operated circuit breaker after the upper cover is opened (the plug-in communication module is not shown).
Fig. 4 is a schematic structural diagram of the internet of things residual current operated circuit breaker after the upper cover and the plug-in communication module are opened.
Fig. 5 is an exploded view of the internet-of-things residual current operated circuit breaker according to the present invention.
Wherein the figures include the following reference numerals:
1. a circuit breaker body; 2. a switching-on/off operation handle; 3. a slide rail; 4. a slider; 5. a switching-on/off drive mechanism; 6. a drive gear; 7. a rack; 8. a guide sleeve; 9. an automatic-manual switching mechanism; 10. the communication module is connected with the substrate; 11. a plug-in communication module; 12. a bottom case; 13. a middle cover; 15. a drive mechanism mounting groove; 16. an upper cover; 17. a second operating handle extension; 18. an automatic and manual switching knob extension port; 19. a plug-in communication module hatch; 20. a hatch cover; 21. a local communication interface connection board; 22. a local communication and control port; 23. and (7) installing the opening.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims of the present application do not denote any order, quantity, or importance, but rather the intention is to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to 5, an internet of things residual current operated circuit breaker, including circuit breaker body 1, be equipped with divide-shut brake operating handle 2 on the circuit breaker body 1, slide rail 3 is installed to divide-shut brake operating handle 2's both sides, it is provided with slider 4 to slide on slide rail 3, divide-shut brake operating handle 2 activity is worn to establish on slider 4, the upper end of divide-shut brake operating handle 2 stretches out from the upside of slider 4, still be equipped with divide-shut brake actuating mechanism 5 in the circuit breaker body 1, install drive gear 6 on the output shaft of divide-shut brake actuating mechanism 5, drive gear 6 meshes with a rack 7, be equipped with guide pin bushing 8 in the circuit breaker body 1, the one end activity of rack 7 is worn to establish in guide pin bushing 8, the other end and the slider 4 of rack 7 are connected, be equipped with in the circuit breaker body 1 and be used.
Specifically, in the present embodiment, the rack 7 is hinged to the slider 4, and the automatic-manual switching mechanism 9 includes a manual operation and automatic operation switching knob provided with a dial (not shown) provided on the side of the rack 7 engaged with the driving gear 6; the shifting block is used for shifting the rack 7 when the manual operation and automatic operation conversion knob is rotated to a manual operation position so as to separate the rack 7 from the driving gear 6; a return spring (not shown) is further connected to a side of the rack 7 opposite to the driving gear 6, the return spring being disposed inside the guide bush 8, and the other end of the return spring being connected to an inner side wall of the guide bush 8, the return spring being used to return the rack 7 when the manual operation and automatic operation switching knob is rotated to the automatic operation position, thereby engaging the rack 7 with the driving gear 6. The automatic-manual switching mechanism 9 can switch two working modes of manual operation and automatic operation. The opening and closing operation handle 2 can be directly operated to perform opening and closing operation on the circuit breaker in a manual state; under the automatic state, the electronic circuit board controls the opening and closing driving mechanism 5 to rotate forward and backward, and the driving gear 6 drives the rack 7 to push the opening and closing operating handle 2 to perform opening and closing operation on the circuit breaker after speed reduction.
In this embodiment, the circuit breaker body 1 is provided with a communication module connection substrate 10, and a plug-in communication module 11 is detachably inserted into the communication module connection substrate 10. This plug-in communication module 11 passes through power module and is connected with external power, and plug-in communication module 11 still is connected with the power end of the treater in the circuit breaker body 1, provides operating voltage for the treater. The plug-in communication module 11 can adapt to power line carrier communication, micro-power wireless communication, GPRS, 4G or 5G communication modules according to application scenes. Therefore, the remote communication function of the circuit breaker can be conveniently realized, and great contribution is made to the construction of an intelligent power grid and the application of an industrial Internet of things.
In this embodiment, still be provided with an intelligent control system in the circuit breaker body 1, this intelligent control system includes main control microcontroller, high accuracy measurement mutual-inductor, mains voltage measuring element, load current measuring element, zero sequence current measuring element, connecting terminal temperature measuring element, remote signalling system and remote control system around the circuit breaker, this high accuracy measurement mutual-inductor, mains voltage measuring element, load current measuring element, zero sequence current measuring element, connecting terminal temperature measuring element, remote signalling system and remote control system around the circuit breaker all are connected with main control microcontroller. The high-precision measuring mutual inductor comprises a high-precision voltage and current measuring system, can realize intelligent control functions such as remote regulation, remote measurement, remote signaling and remote control on the circuit breaker, can measure power consumption parameters such as real-time working voltage, working current, power and power factor, can calculate electric quantity, and provides reliable terminal equipment for collecting large electric power data. All parameters are obtained by direct operation of an internal algorithm circuit, and the measurement precision is fully ensured.
The intelligent control system of the circuit breaker is used for power supply voltage measurement, load current measurement, zero sequence current measurement, measurement of the temperature of front and rear connecting terminals of the circuit breaker, remote signaling and remote control. And judging whether the circuit breaker works in a normal state or not according to the measured current, voltage, residual current and temperature of the connecting terminal, if an abnormal state occurs, such as an over-voltage fault, an overload short-circuit fault and a residual current overrun fault, outputting the working abnormal state of the circuit breaker, and performing switching-off or alarm processing according to the requirement. Particularly for temperature measurement and early warning, the main control microcontroller reads the measured temperature at any time, judges whether the measured temperature is in a normal range according to the magnitude of load current and the ambient temperature, outputs the abnormal working state of the circuit breaker if the abnormal working state is judged, and can control the circuit breaker to be disconnected if the abnormal working state is not processed within a set time range so as to eliminate potential safety hazards of electricity utilization and avoid electrical fire caused by abnormal working of equipment.
In this embodiment, a switching-on/off circuit board is further disposed in the circuit breaker body 1, the switching-on/off driving mechanism 5 is connected to the switching-on/off circuit board, and the switching-on/off circuit board is connected to the main control microcontroller. The master control microcontroller controls the action of the opening and closing driving mechanism 5 through the opening and closing circuit board.
In this embodiment, the circuit breaker body 1 includes a bottom case 12 and a middle cover 13, the middle cover 13 covers the bottom case 12, the switching-off and switching-on operating handle 2 is installed in the bottom case 12, a first operating handle extension opening is provided on the middle cover 13, the switching-off and switching-on operating handle 2 extends from the first operating handle extension opening, and the slide rail 3 is installed on the periphery of the first operating handle extension opening. Therefore, all elements in the circuit breaker body 1 are reasonably distributed, and mutual interference cannot be generated.
In the present embodiment, the driving mechanism mounting groove 15 is provided in the middle cover 13, and the opening/closing driving mechanism 5 is mounted in the driving mechanism mounting groove 15. With this arrangement, the entire structure of the circuit breaker body 1 can be made more compact.
In this embodiment, the circuit breaker body 1 further includes an upper cover 16, the upper cover 16 covers the middle cover 13, the upper cover 16 is further provided with a second operating handle extension 17, the opening/closing operating handle 2 extends from the second operating handle extension 17, the upper cover 16 is further provided with an automatic/manual switching knob extension 18, and the automatic/manual switching mechanism 9 extends from the automatic/manual switching knob extension 18. So set up, constitute circuit breaker body 1 by upper cover 16, well lid 13 and drain pan 12 installation, each component subregion sets up respectively, and the structural distribution is reasonable, compact, avoids producing mutual interference.
In this embodiment, a plug-in communication module hatch 19 is further provided on the upper cover 16, and a hatch 20 for opening or closing the plug-in communication module hatch 19 is further provided on the upper cover 16. The plug-in communication module 11 is convenient to take and place.
In this embodiment, a local communication interface connection board 21 is further disposed on the middle cover 13, a local communication and control port 22 is disposed on the local communication interface connection board 21, a mounting port 23 is disposed on the upper cover 16, and the local communication and control port 22 is mounted in the mounting port 23. The local communication function of the circuit breaker can be conveniently realized by configuring the corresponding communication adapter through the local communication and control port 22.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a thing allies oneself with surplus current operated circuit breaker, includes circuit breaker body (1), be equipped with divide-shut brake operating handle (2) on circuit breaker body (1), its characterized in that, slide rail (3) are installed to the both sides of divide-shut brake operating handle (2), slide on slide rail (3) and be provided with slider (4), divide-shut brake operating handle (2) activity is worn to establish on slider (4), the upper end of divide-shut brake operating handle (2) is followed the upside of slider (4) is stretched out, still be equipped with divide-shut brake actuating mechanism (5) in circuit breaker body (1), install drive gear (6) on the output shaft of divide-shut brake actuating mechanism (5), drive gear (6) and a rack (7) meshing, be equipped with guide pin bushing (8) in circuit breaker body (1), the one end activity of rack (7) is worn to establish in guide pin bushing (8), the other end of the rack (7) is connected with the sliding block (4), and an automatic and manual switching mechanism (9) for enabling the driving gear (6) and the rack (7) to be meshed or separated is arranged in the breaker body (1).
2. The IOT residual current operated circuit breaker according to claim 1, wherein the rack (7) is hinged with the slider (4), and the automatic manual switching mechanism (9) comprises a manual operation and automatic operation switching knob, and a shifting block is arranged on the manual operation and automatic operation switching knob; the shifting block is used for shifting the rack (7) when the manual operation and automatic operation conversion knob is rotated to a manual operation position so as to separate the rack (7) from the driving gear (6); the rack (7) is connected with a return spring, and the return spring is used for returning the rack (7) when the manual operation and automatic operation conversion knob rotates to an automatic operation position, so that the rack (7) is meshed with the driving gear (6).
3. The internet-of-things residual current operated circuit breaker according to claim 1, wherein a communication module connection substrate (10) is disposed on the circuit breaker body (1), a plug-in communication module (11) is detachably inserted on the communication module connection substrate (10), the plug-in communication module (11) is connected to an external power source through a power module, and the plug-in communication module (11) is further connected to a power supply terminal of a processor in the circuit breaker body (1) to provide a working voltage for the processor.
4. The internet of things residual current operated circuit breaker according to claim 1, wherein an intelligent control system is further disposed in the circuit breaker body (1), the intelligent control system comprises a main control microcontroller, a high-precision measuring transformer, a power voltage measuring element, a load current measuring element, a zero sequence current measuring element, front and rear connecting terminal temperature measuring elements of the circuit breaker, a remote signaling system and a remote control system, and the high-precision measuring transformer, the power voltage measuring element, the load current measuring element, the zero sequence current measuring element, the front and rear connecting terminal temperature measuring elements of the circuit breaker, the remote signaling system and the remote control system are all connected with the main control microcontroller.
5. The internet of things residual current operated circuit breaker according to claim 4, characterized in that a switch-on/off circuit board is further arranged in the circuit breaker body (1), the switch-on/off driving mechanism (5) is connected with the switch-on/off circuit board, and the switch-on/off circuit board is connected with the master control microcontroller.
6. The IOT (Internet of things) residual current operated circuit breaker according to any one of claims 1-5, wherein the circuit breaker body (1) comprises a bottom shell (12) and a middle cover (13), the middle cover (13) covers the bottom shell (12), the opening and closing operating handle (2) is installed in the bottom shell (12), a first operating handle extension opening is formed in the middle cover (13), the opening and closing operating handle (2) extends out of the first operating handle extension opening, and the sliding rail (3) is installed on the periphery of the first operating handle extension opening.
7. The internet of things residual current operated circuit breaker according to claim 6, characterized in that a driving mechanism mounting groove (15) is formed in the middle cover (13), and the opening and closing driving mechanism (5) is mounted in the driving mechanism mounting groove (15).
8. The internet of things residual current operated circuit breaker according to claim 6, characterized in that the circuit breaker body (1) further comprises an upper cover (16), the upper cover (16) covers the middle cover (13), a second operating handle extension opening (17) is arranged on the upper cover (16), the opening and closing operating handle (2) extends from the second operating handle extension opening (17), an automatic and manual switching knob extension opening (18) is further arranged on the upper cover (16), and the automatic and manual switching mechanism (9) extends from the automatic and manual switching knob extension opening (18).
9. The IOT residual current operated circuit breaker according to claim 8, wherein the upper cover (16) is provided with a plug-in communication module hatch (19), and the upper cover (16) is further provided with a hatch (20) for opening or closing the plug-in communication module hatch (19).
10. The IOT residual current operated circuit breaker according to claim 8, wherein a local communication interface connection board (21) is provided on the middle cover (13), a local communication and control port (22) is provided on the local communication interface connection board (21), a mounting port (23) is provided on the upper cover (16), the local communication and control port (22) is mounted in the mounting port (23), and the local communication and control port (22) is adapted to the communication adapter to realize local communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097648.7A CN112053917A (en) | 2020-10-14 | 2020-10-14 | Thing allies oneself with surplus current operated circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097648.7A CN112053917A (en) | 2020-10-14 | 2020-10-14 | Thing allies oneself with surplus current operated circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112053917A true CN112053917A (en) | 2020-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011097648.7A Pending CN112053917A (en) | 2020-10-14 | 2020-10-14 | Thing allies oneself with surplus current operated circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112053917A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012998A (en) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | Intelligent internet-of-things type residual current operated circuit breaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202651019U (en) * | 2012-07-03 | 2013-01-02 | 浙江天正电气股份有限公司 | Electric divide-shut brake device for circuit breaker |
| CN103390529A (en) * | 2013-08-01 | 2013-11-13 | 德力西电气有限公司 | Manual-operation and electric-operation integrated opening and closing device used for circuit breaker |
| CN206022257U (en) * | 2016-09-27 | 2017-03-15 | 福建通力达实业有限公司 | Intelligent leakage circuit breaker |
| CN206558456U (en) * | 2017-03-28 | 2017-10-13 | 上力电力科技有限公司 | A kind of manual automatic divide-shut brake switching mechanism of RCCB |
| CN211428102U (en) * | 2019-11-28 | 2020-09-04 | 浙江亿安电力电子科技有限公司 | Multimode communication's thing networking earth leakage protection device |
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2020
- 2020-10-14 CN CN202011097648.7A patent/CN112053917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202651019U (en) * | 2012-07-03 | 2013-01-02 | 浙江天正电气股份有限公司 | Electric divide-shut brake device for circuit breaker |
| CN103390529A (en) * | 2013-08-01 | 2013-11-13 | 德力西电气有限公司 | Manual-operation and electric-operation integrated opening and closing device used for circuit breaker |
| CN206022257U (en) * | 2016-09-27 | 2017-03-15 | 福建通力达实业有限公司 | Intelligent leakage circuit breaker |
| CN206558456U (en) * | 2017-03-28 | 2017-10-13 | 上力电力科技有限公司 | A kind of manual automatic divide-shut brake switching mechanism of RCCB |
| CN211428102U (en) * | 2019-11-28 | 2020-09-04 | 浙江亿安电力电子科技有限公司 | Multimode communication's thing networking earth leakage protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012998A (en) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | Intelligent internet-of-things type residual current operated circuit breaker |
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Application publication date: 20201208 |