CN207909817U - A kind of intelligent breaker - Google Patents
A kind of intelligent breaker Download PDFInfo
- Publication number
- CN207909817U CN207909817U CN201820344301.XU CN201820344301U CN207909817U CN 207909817 U CN207909817 U CN 207909817U CN 201820344301 U CN201820344301 U CN 201820344301U CN 207909817 U CN207909817 U CN 207909817U
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- electromagnet
- connect
- moving axis
- power supply
- dead axle
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Abstract
The utility model discloses a kind of intelligent breakers, including breaker body, breaker body is equipped with manual plectrum and potentiometer, and the body of the circuit breaker is equipped with rectifier, the first moving axis, dead axle, the second moving axis, fixed contact, movable contact, control power supply, electromagnet T1, electromagnet T2 and magnet T3；After the rectified device of external power supply and potentiometer, it is connect with electromagnet T1, control power supply is connect with the both ends of electromagnet T2 coils, and electromagnet T2 is connect with the first moving axis, and the first moving axis is connect by connecting rod with dead axle, dead axle is equipped with tension spring, dead axle is connect by connecting rod with second moving axis, and the second moving axis is connect with manual plectrum, and electromagnet T2 is also connect by connecting rod with movable contact, movable contact is arranged right below fixed contact, and fixed contact connects electrical equipment；Its effect is：When electrical equipment is overloaded, reduced by the electric current of electromagnet T1 coils, the magnetic force that electromagnet T1 is generated is insufficient, and dynamic and static contact is made to disconnect, and entire circuit structure is simple, reliability is high.
Description
Technical field
The utility model is related to field of circuit technology, and in particular to a kind of intelligent breaker.
Background technology
Breaker is the important component of electrical equipment industry, has been obtained for being widely applied.When circuit is working properly,
Breaker can by be closed or disconnect supply electric energy circuit, to reach the functions such as power failure, power supply and conversion circuit.Work as circuit
When there are overload, decompression, the under-voltage or failures such as short-circuit, breaker can avoid automatically by circuitry cuts because of fault danger again
And the safety of staff and the normal operation of equipment.
Then in the prior art, the overload protecting mechanism of breaker is generally by bimetallic element, arc angle, connection sheet, soft
Knot and dropout lever composition, complicated, arc angle and connection sheet are poor to the fixed structure stability of bimetallic element, to
The structural stability of overload protecting mechanism is reduced, and due to the elastic force of arc angle and connection sheet deficiency, influences the overload of product
Protection reliability.
Invention content
To solve the above-mentioned problems, the utility model provides a kind of intelligent breaker simple in structure, easy to use.
The technical solution that the utility model is taken is：A kind of intelligent breaker, including breaker body, the breaker sheet
Body is equipped with manual plectrum and protrudes from the potentiometer of breaker body, and the body of the circuit breaker is moved equipped with rectifier, first
Axis, dead axle, the second moving axis, fixed contact, movable contact, control power supply, electromagnet T1, electromagnet T2 and magnet T3；External communication electricity
It is connect with the rectifier, after the cathode output end of the rectifier is by the potentiometer, with the electromagnet T1 coils
One end connection, the cathode output end of the rectifier connect with the other end of the electromagnet T1 coils, the electromagnet
The surface of T1 is equipped with the electromagnet T2, and the control power supply is connect with the both ends of the electromagnet T2 coils, the electromagnetism
The surface of iron T2 is equipped with the magnet T3, and the electromagnet T2 is connect with first moving axis, and first moving axis passes through company
Bar is connect with the dead axle, and the dead axle is equipped with tension spring, and the dead axle connect by connecting rod with second moving axis, and described the
Two moving axis are connect with the manual plectrum, and the electromagnet T2 is also connect by connecting rod with the movable contact, the movable contact
It is arranged right below the fixed contact.
Using above-mentioned technical proposal, when the utility model is used, when connecting circuit, electromagnet T2 generates magnetic field to user
Electric current is relative short time, because control electromagnet T2 is only played between electromagnet T1 to magnet T3 in the magnetic field that electric current generates
Movement, electric current disappears therewith after movable contact stabilization, and the iron core in electromagnet T2 is by electromagnet T1 and magnet T3 at this time
Magnetic fields make movable contact stablize, and when electrical equipment is overloaded, electrical equipment electric current increases, and passes through the electric current of electromagnet T1 coils
Reduce, the magnetic force that electromagnet T1 is generated is insufficient, and electromagnet T2 is made to be moved from electromagnet T1 to magnet T3, to make movable contact and determine
Contact separation realizes the function of overload protection to the electrical equipment that break contact is connected.
Preferably, it is additionally provided with compression spring between connecting rod and the movable contact.
Preferably, the control power supply E uses DC power supply；The reliability of such voltage stabilization, work is high.
Preferably, the magnet T3 is permanent magnet；Magnetic force is not easy to weaken or disappear because of extraneous variation in this way, further
Improve the reliability of circuit work.
Preferably, a kind of intelligent breaker further includes that load R1, the load R1 are serially connected in the electromagnet T2
Between control power supply；In this way when loading failure, the electromagnetic force of electromagnet T2 weakens, and reaches the protection disconnected automatically and makees
With.
Using above-mentioned technical proposal, has the following advantages：The utility model proposes a kind of intelligent breaker, connect circuit
When, the electric current that electromagnet T2 generates magnetic field is relative short time, because control electromagnet T2 is only played in the magnetic field that electric current generates
Movement between electromagnet T1 to magnet T3, electric current disappears therewith after movable contact stabilization, at this time the iron core in electromagnet T2
Movable contact is set to stablize by electromagnet T1 and the magnetic fields of magnet T3, when electrical equipment is overloaded, electrical equipment electric current increases,
Reduced by the electric currents of electromagnet T1 coils, the magnetic force that electromagnet T1 is generated is insufficient, makes electromagnet T2 from electromagnet T1 to magnet
T3 is moved, and to make movable contact be detached with fixed contact, to the electrical equipment that break contact is connected, realizes the work(of overload protection
Can, and user can also by manual plectrum, the turn-on and turn-off of artificial control circuit, and entire circuit structure it is simple, at
This is low, reliability is high.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of intelligent breaker of the utility model embodiment；
Fig. 2 is a kind of electrical block diagram of the utility model embodiment.
Specific implementation mode
In order to keep the technical problems to be solved in the utility model, technical solution and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail, and the following examples illustrate the utility model, but it is new to be not limited to this practicality
The range of type.
Shown in reference picture 1, Fig. 2, a kind of intelligent breaker, including breaker body 1, the breaker body 1 are equipped with
Manual plectrum 2 and the potentiometer 3 for protruding from breaker body, be equipped in the breaker body 1 rectifier 4, the first moving axis 5,
Dead axle 6, the second moving axis 7, fixed contact 8, movable contact 9, control power supply, electromagnet T1, electromagnet T2 and magnet T3；External communication electricity
It connect with the rectifier 4, after the cathode output end of the rectifier 4 is by the potentiometer 3, reaches the standard grade with the electromagnet T1
One end of circle connects, and the cathode output end of the rectifier 4 is connect with the other end of the electromagnet T1 coils, the electromagnetism
The surface of iron T1 is equipped with the electromagnet T2, and the control power supply is connect with the both ends of the electromagnet T2 coils, the electricity
The surface of magnet T2 is equipped with the magnet T3, and the electromagnet T2 is connect with first moving axis 5, and first moving axis 5 is logical
It crosses connecting rod 11 to connect with the dead axle 6, the dead axle 6 is equipped with tension spring, and the dead axle 6 passes through connecting rod 11 and second moving axis
7 connections, second moving axis 7 are connect with the manual plectrum 2, and the electromagnet T2 also passes through connecting rod 11 and the movable contact 9
Connection, the movable contact 9 are arranged right below the fixed contact 8, and the fixed contact 8 connects external electrical equipment Y1.
In specific implementation, which can be made in modular construction application in interlock circuit, when connecting circuit,
It is inputted by L1 and N-terminal, L2 is output end, makes contact between the two by electromagnet T1 and electromagnet the T2 electromagnetic force generated
It is attracted, in parallel between electromagnet T1 and electrical equipment, when electrical equipment is overloaded, electrical equipment electric current increases, and passes through electromagnet
The electric currents of T1 coils reduces, and the magnetic force that electromagnet T1 is generated is insufficient, make it is dynamic and static between contact disconnect, to break contact institute
The electrical equipment of connection realizes the function of overload protection, and entire circuit structure is simple, at low cost.
In application, user can adjust the size of access resistance according to actual conditions by potentiometer 3, electromagnet is adjusted flexibly
The electromagnetic force that T1 is generated, the magnetic pole that electromagnet T1 is comparable to electromagnet T2 with magnet T3 are identical.
When it is implemented, can also be by the way that a microcontroller, relay driving module and communication mould be arranged in circuit breaker internal
Block controls relay driving module action by external trigger microcontroller, to change the current direction of electromagnet T2, changes
Its magnetic force direction carries out the conducting and disconnection of remote control contact.
Further, in order to it is relatively reliable, effectively make switching on and off for contact between electromagnet T1 and electromagnet T2,
It is additionally provided with compression spring between connecting rod and the movable contact.
Further, with reference to figure 2, in order to which the reliability for improving circuit work is high, the control power supply uses direct current
Source, control power supply are indicated with letter e in fig. 2, and chargeable storage can be used in application.
Further, the reliability of circuit work is further increased, magnetic force is not easy to weaken or disappear because of extraneous variation
It loses, the magnet T3 is permanent magnet.
Further, in order to when circuit breaker internal breaks down, reach the protective effect disconnected automatically, described one kind
Intelligent breaker, further includes load R1, and the load R1 is serially connected between the electromagnet T2 and control power supply, is loading in this way
When R1 failures, the electromagnetic force of electromagnet T2 weakens, contact it is separated.
Here, it is to be noted that, the utility model is related to function, algorithm, method etc. be only the prior art routine
Adaptability application.Therefore, improvement of the utility model for the prior art, the connection relation being substantially between hardware, rather than
Although be related to some functions, algorithm, method for function, algorithm, method itself namely the utility model, but and not comprising pair
The improvement that function, algorithm, method itself propose；Description of the utility model for function, algorithm, method, is in order to better
Illustrate the utility model, to be better understood from the utility model.
Finally, it should be noted that foregoing description is only specific embodiment of the present utility model, but the utility model
Protection domain is not limited thereto, the technical scope that any one skilled in the art discloses in the utility model
Change or replacement that are interior, can readily occurring in, should be covered within the scope of the utility model.
Claims (5)
1. a kind of intelligent breaker, which is characterized in that including breaker body, the breaker body be equipped with manual plectrum and
The potentiometer of breaker body is protruded from, the body of the circuit breaker is equipped with rectifier, the first moving axis, dead axle, the second moving axis, determines
Contact, movable contact, control power supply, electromagnet T1, electromagnet T2 and magnet T3；External communication electricity is connect with the rectifier, institute
After the cathode output end of rectifier is stated by the potentiometer, it is connect with one end of the electromagnet T1 coils, the rectification
The cathode output end of device is connect with the other end of the electromagnet T1 coils, and the surface of the electromagnet T1 is equipped with the electricity
Magnet T2, the control power supply are connect with the both ends of the electromagnet T2 coils, and the surface of the electromagnet T2 is equipped with described
Magnet T3, the electromagnet T2 are connect with first moving axis, and first moving axis is connect by connecting rod with the dead axle, described
Dead axle is equipped with tension spring, and the dead axle is connect by connecting rod with second moving axis, second moving axis and the manual plectrum
Connection, the electromagnet T2 are also connect by connecting rod with the movable contact, and the movable contact is arranged right below the fixed contact,
Electrical equipment outside the fixed contact connection.
2. a kind of intelligent breaker according to claim 1, which is characterized in that be additionally provided between connecting rod and the movable contact
Compression spring.
3. a kind of intelligent breaker according to claim 1, which is characterized in that the control power supply uses DC power supply.
4. a kind of intelligent breaker according to claim 1, which is characterized in that the magnet T3 is permanent magnet.
5. a kind of intelligent breaker according to claim 1, which is characterized in that further include load R1, the load R1 strings
It is connected between the electromagnet T2 and control power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344301.XU CN207909817U (en) | 2018-03-13 | 2018-03-13 | A kind of intelligent breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344301.XU CN207909817U (en) | 2018-03-13 | 2018-03-13 | A kind of intelligent breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909817U true CN207909817U (en) | 2018-09-25 |
Family
ID=63558210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820344301.XU Active CN207909817U (en) | 2018-03-13 | 2018-03-13 | A kind of intelligent breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909817U (en) |
-
2018
- 2018-03-13 CN CN201820344301.XU patent/CN207909817U/en active Active
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