CN208538777U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN208538777U CN208538777U CN201820723182.9U CN201820723182U CN208538777U CN 208538777 U CN208538777 U CN 208538777U CN 201820723182 U CN201820723182 U CN 201820723182U CN 208538777 U CN208538777 U CN 208538777U
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- CN
- China
- Prior art keywords
- miniature circuit
- circuit breaker
- wiring board
- plug connector
- drive mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a miniature circuit breaker, which comprises a shell, wherein the shell is provided with a handle, a breaking connecting rod mechanism, a thermomagnetic tripper, a breaking contact, an arc extinguishing grid, at least one wire inlet end and at least one wire outlet end; the shell is also provided with a current detection device and an electromagnetic driving mechanism; the electromagnetic driving mechanism is in driving connection with the breaking connecting rod mechanism and/or the breaking contact; the circuit board is provided with a microprocessor and at least one plug connector connected with the microprocessor; the circuit board is in plug-in connection with the current detection device and the electromagnetic driving mechanism through the plug connector; the utility model discloses miniature circuit breaker can solve the protection precision that miniature circuit breaker exists among the prior art poor, have potential safety hazard and protect incomprehensible problem, promote miniature circuit breaker's protection precision and the intelligent control who realizes; meanwhile, centralized management and control of the miniature circuit breakers can be realized, the management efficiency is improved, and convenience is brought to designers for the combined design of the miniature circuit breakers of different specifications.
Description
Technical field
The utility model belongs to breaker technical field, and in particular to a kind of miniature circuit breaker.
Background technique
Miniature circuit breaker refers to exchange 50/60Hz voltage rating 220/400V, 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
Pyromagnetic release realizes short circuit or overload protection, however Pyromagnetic release is since itself is there are the difference of physical characteristic, there is also
Discrete type it is higher, the problem of protection precision difference so that miniature circuit breaker to the protection of distribution system remain safety it is hidden
Suffer from and protects incomplete problem；In addition, current miniature circuit breaker generallys use the mode for being respectively set and managing respectively, still
For the miniature circuit breaker largely installed, but it is mixed and disorderly there is managing, it is not easy to the problem of managing concentratedly.In view of asking above
Topic, the utility model discloses a kind of miniature circuit breakers to solve the above problems.
Utility model content
The purpose of the utility model is to overcome defects in the prior art, provide a kind of miniature circuit breaker, on the one hand may be used
With solve the problems, such as protection precision present in miniature circuit breaker in the prior art it is poor, there are security risk and protection it is incomplete,
It promotes protection precision and realizes intelligent control；On the other hand the centralized management and control of several miniature circuit breakers may be implemented,
The efficiency of management is improved, the Combination Design of designer's different size miniature circuit breaker is facilitated.
In order to achieve the above objectives, the utility model embodiment provides a kind of miniature circuit breaker, including shell, the shell
Be provided with handle, disjunction link mechanism, Pyromagnetic release, break contact and arc-chute, at least one end of incoming cables and at least one
Leading-out terminal；The shell is additionally provided with current detection means and electromagnetic drive mechanism；The electromagnetic drive mechanism and the disjunction
Link mechanism and/or the break contact are drivingly connected；Further include wiring board, the wiring board be provided with microprocessor and with institute
State at least one plug connector that microprocessor is connected；The wiring board by the plug connector and the current detection means and
Electromagnetic drive mechanism plug connection；The processing current detection means is analyzed in real time by microprocessor described in wiring board to be acquired
Then current signal in miniature circuit breaker route exports disjunction or switching signal to the electromagnetic drive mechanism, to pass through
The electromagnetic drive mechanism control disjunction link mechanism and/or break contact movement, realize the intelligence of the miniature circuit breaker
Can divide-shut brake, improve miniature circuit breaker protection is comprehensive and protection precision.
Optionally, the current detection means can be current transformer, and the electromagnetic drive mechanism can be electromagnet,
The connector be can be plug or socket.
Further, the plug connector is connected at least one set of current detection means and electromagnetic drive mechanism, and correspondence can connect
Current detection means corresponding to several miniature circuit breakers and electromagnetic drive mechanism are connect, it is miniature disconnected to take this to may be implemented several
The centralized management and control of road device improve the efficiency of management, facilitate the Combination Design of designer's different size miniature circuit breaker.
Further, the plug connector includes at least one first plug connector and at least one second plug connector, and described
One plug connector and the second plug connector are connect by wiring board with the microprocessor.
Further, first plug connector connects the current detection means；Second plug connector connects the electricity
Magnetic driving mechanism.
Further, the wiring board is additionally provided with signal terminal, the signal terminal by wiring board with it is described
Microprocessor is connected, for connecting with external device communication.
Further, the wiring board is additionally provided with supply terminals, and the supply terminals is connected with the wiring board
It connects, for powering at least one of the wiring board, electromagnetic drive mechanism.
Further, the break contact includes moving contact and static contact.
It further, further include a fixed plate, the wiring board is set in fixed plate, and the fixed plate is provided at least
One miniature circuit breaker above-mentioned, correspondence can connect several miniature circuit breakers, take this that several miniature circuit breakers may be implemented
Centralized management and control, improve the efficiency of management, facilitate the Combination Design of designer's different size miniature circuit breaker.
Optionally, the fixed plate can be iron plate.
Miniature circuit breaker provided by the utility model has the beneficial effect that and on the one hand can solve miniature in the prior art break
Protection precision present in the device of road is poor, there are security risk and the incomplete problems of protection, promotes the protection essence of miniature circuit breaker
Degree and the intelligent control for realizing miniature circuit breaker；On the other hand, the centralized management and control of several miniature circuit breakers may be implemented
System improves the efficiency of management, facilitates the Combination Design of designer's different size miniature circuit breaker.
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 miniature circuit breaker that the utility model embodiment one provides.
Fig. 2 is the structural schematic diagram for the miniature circuit breaker that the utility model embodiment two provides.
Drawing reference numeral explanation:
1, shell；101, handle；102, disjunction link mechanism；103, Pyromagnetic release；104, break contact；105, arc extinguishing
Grid；106, end of incoming cables；107, leading-out terminal；108, current detection means；109, electromagnetic drive mechanism；2, wiring board；201, Wei Chu
Manage device；202, plug connector；203, signal terminal；204, supply terminals；205, the first plug connector；206, the second plug connector；
3, fixed plate.
Specific embodiment
The 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 miniature circuit breaker of the present embodiment one is shown in Fig. 1.As shown in Figure 1, the utility model
The miniature circuit breaker of preferable specific embodiment one, including shell 1, the shell 1 are provided with handle 101, disjunction link mechanism
102, Pyromagnetic release 103, break contact 104 and arc-chute 105, at least one end of incoming cables 106 and at least one leading-out terminal
107；The shell 1 is additionally provided with current detection means 108 and electromagnetic drive mechanism 109；The electromagnetic drive mechanism 109 and institute
It states disjunction link mechanism 102 and/or the break contact 104 is drivingly connected；It further include wiring board 2, the wiring board 2 is provided with
Microprocessor 201 and at least one plug connector 202 being connected with the microprocessor 201；The wiring board 2 is inserted by described
Fitting 202 and 109 plug connection of the current detection means 108 and electromagnetic drive mechanism；Pass through microprocessor described in wiring board
Analysis handles the current signal in the acquired miniature circuit breaker route of current detection means in real time, then exports disjunction or conjunction
Lock signal is to the electromagnetic drive mechanism, to control disjunction link mechanism and/or described point by the electromagnetic drive mechanism
Disconnected contact action, realizes the intelligent divide-shut brake of the miniature circuit breaker, and the protection for improving miniature circuit breaker is comprehensive smart with protection
Degree.Such as microprocessor can be according to current signal, by being determined as compared with the rated values such as rated current in the wiring board
Short circuit current, overload current, leakage current, three phase unbalance current etc. match electrical anomaly, to be driven in real time by controlling the electromagnetism
Motivation structure 109 controls disjunction link mechanism 102 and/or 104 separating brake of the break contact or feed motion, rapidly and accurately cuts off
Distribution line, to realize that short-circuit protection, overload protection, earth leakage protective, three phase unbalance current etc. match the accurate guarantor of electrical anomaly
Shield, improve miniature circuit breaker power distribution protection is comprehensive and protection precision, realize intelligent control.
Optionally, the current detection means 108 can be current transformer, and the electromagnetic drive mechanism 109 can be
Electromagnet, the microprocessor can be MC68HC908AP32 chip, and the wiring board can be pcb board, and the connector is
It can be plug or socket.
Further, the plug connector 202 is connected at least one set of current detection means 108 and electromagnetic drive mechanism 109,
Correspondence can connect current detection means corresponding to several miniature circuit breakers and electromagnetic drive mechanism, take this may be implemented several
The centralized management and control of a miniature circuit breaker improve the efficiency of management, facilitate the group of designer's different size miniature circuit breaker
Close design.
Further, the wiring board 2 is additionally provided with signal terminal 203, and the signal terminal 203 passes through wiring board
It is connected with the microprocessor 201, for being connect with external device communication.
Further, the wiring board 2 is additionally provided with supply terminals 204, the supply terminals 204 and the route
Plate 2 is connected, for powering at least one of the wiring board, electromagnetic drive mechanism.
Further, the break contact 104 includes moving contact and static contact.
It further, further include a fixed plate 3, the wiring board 2 is set in fixed plate 3, and the fixed plate 3 is provided with
At least one miniature circuit breaker above-mentioned, correspondence can connect several miniature circuit breakers, and it is miniature disconnected to take this to may be implemented several
The centralized management and control of road device improve the efficiency of management, facilitate the Combination Design of designer's different size miniature circuit breaker.
Optionally, the fixed plate can be iron plate.
Embodiment two
The structural schematic diagram of the miniature circuit breaker of the present embodiment two is shown in Fig. 2.As shown in Fig. 2, the utility model
The miniature circuit breaker of preferable specific embodiment two, including shell 1, the shell 1 are provided with handle 101, disjunction link mechanism
102, Pyromagnetic release 103, break contact 104 and arc-chute 105, at least one end of incoming cables 106 and at least one leading-out terminal
107；The shell 1 is additionally provided with current detection means 108 and electromagnetic drive mechanism 109；The electromagnetic drive mechanism 109 and institute
It states disjunction link mechanism 102 and/or the break contact 104 is drivingly connected；It further include wiring board 2, the wiring board 2 is provided with
Microprocessor 201 and at least one first connector 205 being connected with the microprocessor 201 and at least one second grafting
Part 206；The wiring board 2 by the first connector 205 and the second plug connector 206 respectively with the current detection means 108 and
109 plug connection of electromagnetic drive mechanism；Analyze the processing current detection means institute in real time by microprocessor described in wiring board
The current signal in miniature circuit breaker route is acquired, then exports disjunction or switching signal to the electromagnetic drive mechanism, thus
Disjunction link mechanism and/or break contact movement are controlled by the electromagnetic drive mechanism, realizes the miniature circuit breaker
Intelligent divide-shut brake, improve miniature circuit breaker protection is comprehensive and protection precision.Such as microprocessor can in the wiring board
With according to current signal, by being determined as short circuit current, overload current, leakage current, three-phase compared with the rated values such as rated current
Out-of-balance current etc. matches electrical anomaly, to control disjunction link mechanism 102 by controlling the electromagnetic drive mechanism 109 in real time
And/or 104 separating brake of break contact or feed motion, distribution line is rapidly and accurately cut off, to realize short-circuit protection, mistake
The accurate protection that protection, earth leakage protective, three phase unbalance current etc. match electrical anomaly is carried, the power distribution protection for improving miniature circuit breaker is complete
Face property and protection precision realize intelligent control.
Optionally, the current detection means 108 can be current transformer, and the electromagnetic drive mechanism 109 can be
Electromagnet, the microprocessor can be MC68HC908AP32 chip, and the wiring board can be pcb board, and the connector can
Think plug or socket.
Further, first plug connector 205 and the second plug connector 206 are connected at least one set of current detection means
108 and electromagnetic drive mechanism 109, correspondence can connect current detection means corresponding to several miniature circuit breakers and electromagnetic drive
Mechanism takes this centralized management that several miniature circuit breakers may be implemented and control, improves the efficiency of management, facilitates designer not
The Combination Design of same specification miniature circuit breaker.
Including at least one the first plug connector 205 and at least one second plug connector further, in the present embodiment,
206。
Optionally, first plug connector 205 connects the current detection means 108；Second plug connector 206 connects
The electromagnetic drive mechanism 109.
Further, the wiring board 2 is additionally provided with signal terminal 203, and the signal terminal 203 passes through wiring board
It is connected with the microprocessor 201, for being connect with external device communication.
Further, the wiring board 2 is additionally provided with supply terminals 204, the supply terminals 204 and the route
Plate 2 is connected, for powering at least one of the wiring board, electromagnetic drive mechanism.
Further, the break contact 104 includes moving contact and static contact.
It further, further include a fixed plate 3, the wiring board 2 is set in fixed plate 3, and the fixed plate 3 is provided with
At least one miniature circuit breaker above-mentioned, correspondence can connect several miniature circuit breakers, and it is miniature disconnected to take this to may be implemented several
The centralized management and control of road device improve the efficiency of management, facilitate the Combination Design of designer's different size miniature circuit breaker.
Optionally, the fixed plate can be iron plate.
On the one hand miniature circuit breaker provided by the utility model can solve present in miniature circuit breaker in the prior art
Protection precision is poor, there are security risk and the incomplete problems of protection, promotes the protection precision of miniature circuit breaker and realizes miniature
The intelligent control of breaker；On the other hand, the centralized management and control of several miniature circuit breakers may be implemented, improve management effect
Rate facilitates the Combination Design of designer's different size miniature circuit breaker.
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 (8)
1. a kind of miniature circuit breaker, including shell (1), the shell (1) is provided with handle (101), disjunction link mechanism
(102), Pyromagnetic release (103), break contact (104) and arc-chute (105), at least one end of incoming cables (106) and at least one
A leading-out terminal (107)；It is characterized in that, the shell (1) is additionally provided with current detection means (108) and electromagnetic drive mechanism
(109)；The electromagnetic drive mechanism (109) and the disjunction link mechanism (102) and/or the break contact (104) drive
Connection；Further include wiring board (2), the wiring board (2) be provided with microprocessor (201) and with the microprocessor (201) phase
At least one plug connector of connection；The wiring board (2) passes through the plug connector and the current detection means (108) and electromagnetism
Driving mechanism (109) plug connection.
2. miniature circuit breaker according to claim 1, which is characterized in that the plug connector is connected at least one set of electric current inspection
Survey device (108) and electromagnetic drive mechanism (109).
3. miniature circuit breaker according to claim 1, which is characterized in that the plug connector includes at least one first grafting
Part and at least one second plug connector.
4. miniature circuit breaker according to claim 3, which is characterized in that first plug connector connects the current detecting
Device (108)；Second plug connector connects the electromagnetic drive mechanism (109).
5. miniature circuit breaker according to claim 1, which is characterized in that the wiring board (2) is additionally provided with signal wiring
It holds (203), the signal terminal (203) is connected with the microprocessor (201).
6. miniature circuit breaker according to claim 1, which is characterized in that the wiring board (2) is additionally provided with power supply wiring
It holds (204), the supply terminals (204) is connected with the wiring board (2).
7. miniature circuit breaker according to claim 1, which is characterized in that the break contact (104) include moving contact and
Static contact.
8. miniature circuit breaker according to any one of claim 1 to 7, which is characterized in that it further include a fixed plate (3),
The wiring board (2) is set on fixed plate (3), and the miniature circuit breaker is set on fixed plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820723182.9U CN208538777U (en) | 2018-05-06 | 2018-05-06 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820723182.9U CN208538777U (en) | 2018-05-06 | 2018-05-06 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538777U true CN208538777U (en) | 2019-02-22 |
Family
ID=65393010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820723182.9U Active CN208538777U (en) | 2018-05-06 | 2018-05-06 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538777U (en) |
-
2018
- 2018-05-06 CN CN201820723182.9U patent/CN208538777U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |