CN208819814U - Plug-in miniature circuit breaker - Google Patents
Plug-in miniature circuit breaker Download PDFInfo
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- CN208819814U CN208819814U CN201821500056.3U CN201821500056U CN208819814U CN 208819814 U CN208819814 U CN 208819814U CN 201821500056 U CN201821500056 U CN 201821500056U CN 208819814 U CN208819814 U CN 208819814U
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- connection sheet
- circuit breaker
- plug
- miniature circuit
- actuator
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Abstract
The utility model provides a plug-in miniature circuit breaker, which comprises a module head and a base; the module head comprises a handle, a breaking connecting rod mechanism, an electromagnetic release, a moving contact, a fixed contact, an arc extinguishing grid, an arc striking plate and a bimetallic strip; the base comprises a wire inlet end and a wire outlet end; the module head is also provided with at least one first connecting sheet and at least one second connecting sheet; the base is provided with at least one third connecting sheet and at least one fourth connecting sheet; the detection device also comprises a first driving piece, a second driving piece, a fifth connecting piece, a detection mechanism, a first circuit board and a driving mechanism; the detection mechanism and the driving mechanism are respectively in communication connection with the first circuit board. The technical scheme of the utility model can promote the protection precision of the miniature circuit breaker and realize intelligent control, and also can realize the unified monitoring, management, control and monitoring of the opening and closing state of a plurality of miniature circuit breakers, and promote the safety of power distribution; meanwhile, the miniature circuit breaker can be quickly plugged and pulled out, the working efficiency is improved, and the continuity of power supply is improved.
Description
Technical field
The utility model belongs to breaker technical field, and in particular to a kind of plug-in miniature circuit breaker.
Background technique
Miniature circuit breaker refers to exchange 50/60Hz voltage rating 230/400V, uses on the following route of rated current 63A
Low-voltage circuit breaker is usually used in the places such as industry, business, high-rise and residential houses.In the prior art, miniature circuit breaker generallys use
Magnetictrip realizes short circuit or overload protection, realizes overheating protection, however magnetictrip, bimetal leaf using bimetal leaf
Since itself is there are the difference of physical characteristic, there is also discreteness is higher, there is a problem of time delays and protection precision difference,
So that miniature circuit breaker remains security risk and the incomplete problem of protection to the protection of distribution system.Meanwhile tradition
There is also unknowable problems for the opening and closing state of miniature circuit breaker, and lack unified monitoring, pipe to every miniature circuit breaker
Reason and control, need artificial scene to check and control, take time and effort.In addition, traditional miniature circuit breaker generallys use standard card
Miniature circuit breaker bottom is connected in clamp rail by rail mounting means, then connects inlet wire and outlet by modes such as attachment screws；
It when needing repairing, or re-replacing however, working as miniature circuit breaker failure, needs entirely to remove, causes maintenance replacement not
Convenient, working efficiency is low, influences the continuity of power supply.In view of problem above, the utility model discloses a kind of plug-in is miniature
Breaker is to solve the above problems.
Utility model content
The purpose of the utility model is to overcome defect in the prior art, a kind of plug-in miniature circuit breaker is provided, one
Aspect can solve that time delay present in miniature circuit breaker in the prior art and protection precision are poor, there are security risk and guarantors
Incomplete problem is protected, protection precision is promoted and realizes intelligent control, while the divide-shut brake of miniature circuit breaker can be monitored in real time
State, and realize unified monitoring, management and control to several miniature circuit breakers；On the other hand it may be implemented quickly to insert
It pulls out, maintains easily or replace, improve working efficiency, promote the continuity of power supply.
In order to achieve the above objectives, the utility model embodiment provides a kind of plug-in miniature circuit breaker, including module head
And pedestal；The module head includes handle, disjunction link mechanism, magnetictrip, moving contact, static contact, arc-chute, run-on tab
And bimetal leaf；The static contact is electrically connected with the magnetictrip；The bimetal leaf is electrically connected with the moving contact；Institute
Stating pedestal includes at least one end of incoming cables and at least one leading-out terminal；The module head is additionally provided at least one first connection sheet
With at least one the second connection sheet；The pedestal is provided at least one third connection sheet and at least one the 4th connection sheet；Institute
The first connection sheet is stated to be electrically connected with the third connection sheet；Second connection sheet is electrically connected with the 4th connection sheet；Also wrap
Include the first actuator, the second actuator, the 5th connection sheet；The bimetal leaf and the first actuator are drivingly connected；Described second
Actuator and first actuator are drivingly connected；First actuator and the disjunction link mechanism are drivingly connected；It is described
First connection sheet is electrically connected by the 5th connection sheet with the bimetal leaf；Second connection sheet and the electromagnetic trip
Device electrical connection；It further include testing agency, first circuit board, driving mechanism；The first micro process is provided on the first circuit board
Device and short circuit, the testing agency and driving mechanism are communicated to connect with the first circuit board respectively, the driving mechanism with
Second actuator is drivingly connected.
Optionally, the testing agency is at least one of current transformer, voltage transformer, temperature sensor；Institute
Stating driving mechanism is at least one of electromagnetic coil, electric pushrod, hydraulic stem, atmospheric pressure pole.Take this, passes through first circuit board institute
It states first microprocessor and analyzes electric current, the voltage handled in the acquired plug-in miniature circuit breaker route of testing agency in real time
Then the temperature signal of signal and plug-in miniature circuit breaker exports disjunction or switching signal to the driving mechanism, thus
The movement of disjunction link mechanism is driven by second actuator of driving mechanisms control and the linkage of the first actuator, drives moving contact
The miniature open circuit of the plug-in is realized on the basis of retaining breaker tradition overload overheating protection with the divide-shut brake of static contact
The quick divide-shut brake of the intelligence of device, improve plug-in miniature circuit breaker protection is comprehensive and protection precision, promote distribution system
Safety.
Optionally, the testing agency is set to module head or pedestal；The driving mechanism is set to module head or pedestal；
The first circuit board is set to module head or pedestal.
Further, first actuator includes first connecting portion and driving portion, first connecting portion and the bimetallic
Piece is drivingly connected, and driving portion and the disjunction link mechanism are drivingly connected.
Further, second actuator includes touch part, shaft and second connecting portion, touch part and the driving
Mechanism is drivingly connected, and second connecting portion and first connecting portion are drivingly connected.
It further, further include microswitch and third actuator, microswitch and the first circuit board communicate to connect.
Further, the third actuator includes third interconnecting piece and the 4th interconnecting piece, and third interconnecting piece and handle drive
Dynamic connection, the 4th interconnecting piece and the microswitch are drivingly connected.Take this, when miniature circuit breaker divide-shut brake, is driven by third
Moving part can drive microswitch in real time, transmit signal to the first circuit board, it is possible thereby to real-time monitoring by microswitch
The opening and closing state of miniature circuit breaker can grasp the opening and closing state of each miniature circuit breaker in real time, facilitate administrative staff
Monitoring and management.
Further, the module head further includes at least one first connector and at least one second connector, described
First connection sheet is connect with the third connection sheet by the first connector；Second connection sheet and the 4th connection sheet are logical
Cross the connection of the second connector；Take this, the quick connection of module head and pedestal may be implemented, conveniently to the maintenance of each section or more
It changes, improves working efficiency, promote the continuity of power supply.
Further, the pedestal further includes at least one third connector and at least one the 4th connector, and described
Three connection sheets are connect by third connector with the end of incoming cables；4th connection sheet passes through the 4th connector and the outlet
End connection.
Optionally, first connector, the second connector, third connector, the 4th connector can be plug, insert
Seat, screw or pressing line frame.
Further, the module head has the first clamping portion, and the pedestal 2 has the second clamping portion, the first clamping portion
It is clamped, takes this with the second clamping portion, the fast insert-pull of module head and pedestal may be implemented, conveniently to the maintenance of each section or more
It changes, improves working efficiency, promote the continuity of power supply.
It further, further include second circuit board, second circuit board and short circuit communicate to connect, on second circuit board
It is provided with second processor, power supply, communication port；The communication port can be connect with external device communication；The power supply is used for
It powers at least one of first circuit board, second circuit board, testing agency, driving mechanism；Take this, the second circuit board
Several miniature circuit breakers can be connected by each short-circuit son, meanwhile, it can also be real by second processor described in second circuit board
When the testing agency transmitted by the first circuit board of analysis processing acquire each plug-in miniature circuit breaker route
In electric current, voltage signal and plug-in miniature circuit breaker temperature signal, then directly export or by first electricity
Road plate exports the driving mechanism of disjunction or switching signal to each miniature circuit breaker, to pass through the driving mechanisms control the
Two actuators and the linkage of the first actuator drive the movement of disjunction link mechanism, drive the divide-shut brake of moving contact and static contact, are protecting
On the basis of staying breaker tradition to overload overheating protection, realizes the quick divide-shut brake of intelligence of the plug-in miniature circuit breaker, mention
The protection of high plug-in miniature circuit breaker is comprehensive and protection precision, promotes the safety of distribution system, is achieved in several
Unified monitoring, management and the control of miniature circuit breaker, improve working efficiency, can also realize long-range control.
Optionally, first connection sheet, the second connection sheet, third connection sheet, the 4th connection sheet, the 5th connection sheet are U
Any combination of type or L-type or both.
Plug-in miniature circuit breaker provided by the utility model, on the one hand having the beneficial effect that can solve in the prior art
Time delay present in miniature circuit breaker and protection precision it is poor, there are security risk and the incomplete problem of protection, promoted and inserted
It pulls out the protection precision of formula miniature circuit breaker and realizes the intelligent control of plug-in miniature circuit breaker, can also realize miniature to several
Unified monitoring, management and the control of breaker, while the opening and closing state of miniature circuit breaker can be monitored in real time, facilitate administrator
Member's monitoring and management, improve working efficiency, promote the safety of distribution system；On the other hand, by design the module head and
Understructure, may be implemented the fast insert-pull of module head and pedestal, and convenient maintenance or replacement to each section solves the prior art
The problem of in terms of middle miniature circuit breaker maintenance or replacement not, the working efficiency of staff is significantly improved, the company of power supply is promoted
Continuous property.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be evident that the drawings in the following description are merely some embodiments of the present invention, it is right
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these figures
Attached drawing.
Fig. 1 is the structural schematic diagram for the plug-in miniature circuit breaker that the utility model embodiment one provides.
Drawing reference numeral explanation:
1, module head；101, the first clamping portion；2, pedestal；201, the second clamping portion；3, handle；4, disjunction link mechanism；
5, magnetictrip；6, moving contact；7, static contact；8, arc-chute；9, run-on tab；10, bimetal leaf；11, third actuator；
1101, third interconnecting piece；1102, the 4th interconnecting piece；12, the first actuator；1201, first connecting portion；1202, driving portion；13,
First connector；14, the first connection sheet；15, third connection sheet；16, third connector；17, end of incoming cables；18, the second actuator；
1801, touch part；1802, shaft；1803, second connecting portion；19, driving mechanism；20, the 5th connection sheet；21, short circuit；
22, first circuit board；23, leading-out terminal；24, testing agency；25, the 4th connector；26, microswitch；27, the 4th connection sheet；
28, the second connection sheet；29, the second connector；30, first microprocessor.
Specific embodiment
The plug-in miniature circuit breaker of the utility model is described in detail with reference to the accompanying drawing.
Embodiment one
The structural schematic diagram of the plug-in miniature circuit breaker of the present embodiment one is shown in Fig. 1.As shown in Figure 1, this is practical
The plug-in miniature circuit breaker of novel preferable specific embodiment one, including module head 1 and pedestal 2；The module head 1 includes
Handle 3, disjunction link mechanism 4, magnetictrip 5, moving contact 6, static contact 7, arc-chute 8, run-on tab 9 and bimetal leaf 10；
The static contact 7 is electrically connected with the magnetictrip 5；The bimetal leaf 10 is electrically connected with the moving contact 6；The pedestal
2 include at least one end of incoming cables 17 and at least one leading-out terminal 23；The module head 1 is additionally provided at least one first connection sheet
14 and at least one second connection sheet 28；The pedestal 2 is provided at least one third connection sheet 15 and at least one the 4th company
Contact pin 27；First connection sheet 14 is electrically connected with the third connection sheet 15；Second connection sheet 28 connects with the described 4th
Contact pin 27 is electrically connected；It further include the first actuator 12, the second actuator 18, the 5th connection sheet 20；The bimetal leaf 10 and
One actuator 12 is drivingly connected；Second actuator 18 is drivingly connected with first actuator 12；First actuator
12 are drivingly connected with the disjunction link mechanism 4；First connection sheet 14 passes through the 5th connection sheet 20 and double gold
Belong to piece 10 to be electrically connected；Second connection sheet 28 is electrically connected with the magnetictrip 5；It further include the 24, first electricity of testing agency
Road plate 22, driving mechanism 19；First microprocessor 30 and short circuit 21, the detection machine are provided on the first circuit board 22
Structure 24 and driving mechanism 19 are communicated to connect with the first circuit board 22 respectively, the driving mechanism 19 and second actuator
18 are drivingly connected.
Optionally, the testing agency 24 is at least one of current transformer, voltage transformer, temperature sensor；
The driving mechanism 19 is at least one of electromagnetic coil, electric pushrod, hydraulic stem, atmospheric pressure pole.Take this, passes through the first circuit
First microprocessor described in plate analyze in real time the electric current handled in the acquired plug-in miniature circuit breaker route of testing agency,
The temperature signal of voltage signal and plug-in miniature circuit breaker, then exports disjunction or switching signal to the driving mechanism,
To drive the movement of disjunction link mechanism by second actuator of driving mechanisms control and the linkage of the first actuator, driving is dynamic
The divide-shut brake of contact and static contact realizes that the plug-in is miniature on the basis of retaining breaker tradition overload overheating protection
The quick divide-shut brake of the intelligence of breaker, improve plug-in miniature circuit breaker protection is comprehensive and protection precision, promote power distribution system
The safety of system.Such as first microprocessor can be according to current signal, by with rated current etc. in the first circuit board
Rated value is relatively determined as short circuit current, overload current, leakage current, three phase unbalance current etc. with electrical anomaly, to lead in real time
It crosses and controls second actuator of driving mechanisms control and the linkage drive disjunction link mechanism movement of the first actuator, drive dynamic touching
The separating brake of head and static contact, rapidly and accurately cuts off distribution line, to realize short-circuit protection, overload protection, earth leakage protective, three
Phase out-of-balance current etc. matches the accurate protection of electrical anomaly, and the power distribution protection for improving plug-in miniature circuit breaker is comprehensive smart with protection
Degree realizes intelligent control.
Optionally, the testing agency 24 is set to module head 1 or pedestal 2；The driving mechanism 19 is set to module head 1
Or pedestal 2；The first circuit board 22 is set to module head 1 or pedestal 2.
Optionally, the first microprocessor, the second microprocessor can be MC68HC908AP32 chip, described first
Circuit board, second circuit board can be pcb board.
Further, first actuator 12 includes first connecting portion 1201 and driving portion 1202, first connecting portion
1201 are drivingly connected with the bimetal leaf 10, and driving portion 1202 and the disjunction link mechanism 4 are drivingly connected.
Further, second actuator 18 includes touch part 1801, shaft 1802 and second connecting portion 1803, touching
Dynamic portion 1801 is drivingly connected with the driving mechanism 19, and second connecting portion 1803 and first connecting portion 1201 are drivingly connected.
It further, further include microswitch 26 and third actuator 11, microswitch 26 and the first circuit board 22
Communication connection.
Further, the third actuator 11 includes third interconnecting piece 1101 and the 4th interconnecting piece 1102, third connection
Portion 1101 and handle 3 are drivingly connected, and the 4th interconnecting piece 1102 is drivingly connected with the microswitch 26.Take this, when miniature open circuit
When device divide-shut brake, microswitch can be driven by third actuator in real time, signal is transmitted to first electricity by microswitch
Road plate, it is possible thereby to which the opening and closing state of real-time monitoring miniature circuit breaker, can grasp point of each miniature circuit breaker in real time
"on" position facilitates the monitoring and management of administrative staff.
Further, the module head 1 further includes at least one the first connector 13 and at least one second connector 29,
First connection sheet 14 is connect with the third connection sheet 15 by the first connector 13；Second connection sheet 28 with it is described
4th connection sheet 27 is connected by the second connector 29；Take this, the quick connection of module head and pedestal may be implemented, it is convenient to each
Partial maintenance or replacement improves working efficiency, promotes the continuity of power supply.
Further, the pedestal 2 further includes at least one third connector 16 and at least one the 4th connector 25, institute
Third connection sheet 15 is stated to connect by third connector 16 with the end of incoming cables 17；4th connection sheet 27 passes through the 4th connection
Part 25 is connect with the leading-out terminal 23.
Optionally, first connector, the second connector, third connector, the 4th connector can be plug, insert
Seat, screw or pressing line frame.
Further, the module head 1 have the first clamping portion 101, the pedestal 2 have the second clamping portion 201, first
Clamping portion 101 and the second clamping portion 201 are clamped, and are taken this, and the fast insert-pull of module head and pedestal may be implemented, convenient to each section
Maintenance or replacement, improve working efficiency, promote the continuity of power supply.
It further, further include second circuit board, second circuit board and short circuit 21 communicate to connect, second circuit board
On be provided with second processor, power supply, communication port, due to being readily appreciated that, in attached drawing and be not drawn into, the second circuit board can
It is set to module head or pedestal or outside；The communication port can be connect with external device communication；The power supply is used for first
The power supply of at least one of circuit board, second circuit board, testing agency, driving mechanism；Take this, the second circuit board passes through each
Short-circuit son can connect several miniature circuit breakers, meanwhile, it can also be analyzed in real time by second processor described in second circuit board
Processing acquires the electricity in each plug-in miniature circuit breaker route by the testing agency that the first circuit board is transmitted
Then the temperature signal of stream, voltage signal and plug-in miniature circuit breaker directly exports or defeated by the first circuit board
Disjunction or switching signal drive to the driving mechanism of each miniature circuit breaker to pass through the driving mechanisms control second out
Part and the linkage of the first actuator drive the movement of disjunction link mechanism, drive the divide-shut brake of moving contact and static contact, are retaining open circuit
On the basis of device tradition overloads overheating protection, the quick divide-shut brake of intelligence of the plug-in miniature circuit breaker is realized, improve plug
The protection of formula miniature circuit breaker is comprehensive and protection precision, promotes the safety of distribution system.Such as in the second circuit board
Second microprocessor can be according to current signal, by being determined as short circuit current, overload electricity compared with the rated values such as rated current
Stream, leakage current, three phase unbalance current etc. match electrical anomaly, to directly control in real time or control each by first circuit board
The second actuator of driving mechanisms control of miniature circuit breaker and the linkage of the first actuator drive the movement of disjunction link mechanism, and driving is dynamic
The separating brake of contact and static contact, rapidly and accurately cuts off distribution line, thus realize short-circuit protection, overload protection, earth leakage protective,
Three phase unbalance current etc. matches the accurate protection of electrical anomaly, and the power distribution protection of raising plug-in miniature circuit breaker is comprehensive and protects
Precision realizes intelligent control.It is achieved in unified monitoring, management and the control to several miniature circuit breakers, improves work effect
Rate can also realize long-range control.
Optionally, first connection sheet 14, the second connection sheet 28, third connection sheet 15, the 4th connection sheet the 27, the 5th connect
Contact pin 20 is any combination of U-shaped or L-type or both.
On the one hand plug-in miniature circuit breaker provided by the utility model can solve miniature circuit breaker institute in the prior art
Existing time delay and protection precision are poor, there are security risk and the incomplete problem of protection, the promotion miniature open circuits of plug-in
The protection precision of device and the intelligent control for realizing plug-in miniature circuit breaker, can also realize the unification to several miniature circuit breakers
Monitoring, management and control, while the opening and closing state of miniature circuit breaker can be monitored in real time, facilitate administrative staff to monitor and manage
Reason improves working efficiency, promotes the safety of distribution system；It on the other hand, can by designing the module head and understructure
To realize the fast insert-pull of module head and pedestal, convenient maintenance or replacement to each section solves miniature open circuit in the prior art
The problem of in terms of device maintenance or replacement not, the working efficiency of staff is significantly improved, the continuity of power supply is promoted.
More than, only specific embodiment of the utility model, but protection scope of the utility model is not limited thereto, appoints
What those familiar with the art within the technical scope disclosed by the utility model, can easily think of the change or the replacement,
It should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the guarantor of claim
It protects subject to range.
Claims (10)
1. a kind of plug-in miniature circuit breaker, including module head (1) and pedestal (2)；The module head (1) includes handle (3), divides
Disconnection linkage (4), magnetictrip (5), moving contact (6), static contact (7), arc-chute (8), run-on tab (9) and bimetal leaf
(10)；The static contact (7) is electrically connected with the magnetictrip (5)；The bimetal leaf (10) and the moving contact (6) electricity
Connection；The pedestal (2) includes at least one end of incoming cables (17) and at least one leading-out terminal (23)；It is characterized in that, the mould
Build (1) is additionally provided at least one first connection sheet (14) and at least one second connection sheet (28)；Pedestal (2) setting
There are at least one third connection sheet (15) and at least one the 4th connection sheet (27)；First connection sheet (14) and the third
Connection sheet (15) electrical connection；Second connection sheet (28) is electrically connected with the 4th connection sheet (27)；It further include the first driving
Part (12), the second actuator (18), the 5th connection sheet (20)；The bimetal leaf (10) and the first actuator (12) driving connect
It connects；Second actuator (18) and first actuator (12) are drivingly connected；First actuator (12) with described point
Disconnection linkage (4) is drivingly connected；First connection sheet (14) passes through the 5th connection sheet (20) and the bimetal leaf
(10) it is electrically connected；Second connection sheet (28) is electrically connected with the magnetictrip (5)；It further include testing agency (24),
One circuit board (22), driving mechanism (19)；First microprocessor (30) and short circuit are provided on the first circuit board (22)
(21), the testing agency (24) and driving mechanism (19) are communicated to connect with the first circuit board (22) respectively, the driving
Mechanism (19) and second actuator (18) are drivingly connected.
2. plug-in miniature circuit breaker according to claim 1, which is characterized in that the testing agency (24) is set to mould
Build (1) or pedestal (2)；The driving mechanism (19) is set to module head (1) or pedestal (2)；The first circuit board (22)
It is set to module head (1) or pedestal (2)；The testing agency (24) is current transformer, in voltage transformer, temperature sensor
At least one；The driving mechanism (19) is at least one of electromagnetic coil, electric pushrod, hydraulic stem, atmospheric pressure pole.
3. plug-in miniature circuit breaker according to claim 1, which is characterized in that first actuator (12) includes the
One interconnecting piece (1201) and driving portion (1202), first connecting portion (1201) and the bimetal leaf (10) are drivingly connected, driving
Portion (1202) and the disjunction link mechanism (4) are drivingly connected.
4. plug-in miniature circuit breaker according to claim 3, which is characterized in that second actuator (18) includes touching
Dynamic portion (1801), shaft (1802) and second connecting portion (1803), touch part (1801) and the driving mechanism (19) drive
Connection, second connecting portion (1803) and first connecting portion (1201) are drivingly connected.
5. plug-in miniature circuit breaker according to claim 1, which is characterized in that further include microswitch (26) and third
Actuator (11), microswitch (26) and the first circuit board (22) communicate to connect.
6. plug-in miniature circuit breaker according to claim 5, which is characterized in that the third actuator (11) includes the
Three interconnecting pieces (1101) and the 4th interconnecting piece (1102), third interconnecting piece (1101) and handle (3) are drivingly connected, the 4th interconnecting piece
(1102) it is drivingly connected with the microswitch (26).
7. plug-in miniature circuit breaker according to claim 1, which is characterized in that the module head (1) further includes at least
One the first connector (13) and at least one second connector (29), first connection sheet (14) and the third connection sheet
(15) it is connected by the first connector (13)；Second connection sheet (28) connect with the 4th connection sheet (27) by second
Part (29) connection.
8. plug-in miniature circuit breaker according to claim 1, which is characterized in that the pedestal (2) further includes at least one
A third connector (16) and at least one the 4th connector (25), the third connection sheet (15) pass through third connector (16)
It is connect with the end of incoming cables (17)；4th connection sheet (27) is connected by the 4th connector (25) and the leading-out terminal (23)
It connects.
9. plug-in miniature circuit breaker according to claim 1, which is characterized in that the module head (1) has the first card
Socket part (101), the pedestal (2) have the second clamping portion (201), and the first clamping portion (101) and the second clamping portion (201) block
It connects.
10. plug-in miniature circuit breaker according to claim 1, which is characterized in that further include second circuit board, the second electricity
Road plate and the short circuit sub (21) communicate to connect, and are provided with second processor, power supply, communication port on second circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500056.3U CN208819814U (en) | 2018-09-06 | 2018-09-06 | Plug-in miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500056.3U CN208819814U (en) | 2018-09-06 | 2018-09-06 | Plug-in miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208819814U true CN208819814U (en) | 2019-05-03 |
Family
ID=66277056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500056.3U Active CN208819814U (en) | 2018-09-06 | 2018-09-06 | Plug-in miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208819814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151337A (en) * | 2019-06-27 | 2020-12-29 | 北京京人电器有限公司 | Circuit breaker with at least two poles |
-
2018
- 2018-09-06 CN CN201821500056.3U patent/CN208819814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112151337A (en) * | 2019-06-27 | 2020-12-29 | 北京京人电器有限公司 | Circuit breaker with at least two poles |
| CN112151337B (en) * | 2019-06-27 | 2023-02-03 | 北京京人电器有限公司 | Circuit breaker with at least two poles |
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