CN201444468U - Circuit breaker with control line switch-in end positioned at power line inlet end - Google Patents

Circuit breaker with control line switch-in end positioned at power line inlet end Download PDF

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Publication number
CN201444468U
CN201444468U CN2009200060670U CN200920006067U CN201444468U CN 201444468 U CN201444468 U CN 201444468U CN 2009200060670 U CN2009200060670 U CN 2009200060670U CN 200920006067 U CN200920006067 U CN 200920006067U CN 201444468 U CN201444468 U CN 201444468U
Authority
CN
China
Prior art keywords
control
control line
circuit breaker
line
power line
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.)
Expired - Fee Related
Application number
CN2009200060670U
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Chinese (zh)
Inventor
万家盛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Shengjia Wiring Co Ltd
Original Assignee
Hubei Shengjia Wiring Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Shengjia Wiring Co Ltd filed Critical Hubei Shengjia Wiring Co Ltd
Priority to CN2009200060670U priority Critical patent/CN201444468U/en
Application granted granted Critical
Publication of CN201444468U publication Critical patent/CN201444468U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a circuit breaker with a control line switch-in end positioned at a power line inlet end. The circuit breaker comprises a circuit breaker main body with an external movement controlling function, a control line switch-in block is positioned at the lower end of a phase line switch-in terminal inside the circuit breaker main body, a corresponding control line is provided with a baffle plate arranged on a circuit connected with a control circuit board inside the circuit breaker main body, and the baffle plate is used for preventing the control line from being damaged in arc extinguishing process.

Description

The control line incoming end is positioned at the circuit breaker of power line end of incoming cables
Technical field
The utility model relates to a kind of external control type circuit breaker, particularly be the circuit breaker that a kind of control line incoming end is positioned at the power line end of incoming cables.
Background technology
Switch switchgear for power department, be the assurance Electrical Safety, carry out circuit switching imperative equipment, its internal structure of existing circuit breaker sees also shown in Figure 1, and it comprises: a housing 001, adopt the insulation fire proofing to make, portion is provided with following structure within it:
One phase line inserts a terminal 032 and a phase line lead-out terminal 037, in order to be linked in the power line; One actuating mechanism, it comprises: one handle 021, it has an operating side and is arranged at outside the described housing 001, carries out the break-make control of circuit; One movable contact spring 024, its end has a moving contact; One interlock controll block group 022, it is made up of a plurality of STATEMENT OF FEDERALLY SPONSORED, rotate by the axle that is arranged in the described housing 001, an end of its STATEMENT OF FEDERALLY SPONSORED that goes up most 0221 is connected with described handle 021, and the end of bottom STATEMENT OF FEDERALLY SPONSORED 0222 is connected with the front end of described movable contact spring 023; One fixed contact 031, it is connected with described phase line access terminal 032, when the described interlock controll block group 022 of turn handle 021 pulling, thereby causes seesawing of movable contact spring 024, the contact that realizes moving contact and fixed contact 031 with separate, finally reach the purpose of power circuit break-make.It also comprises: an arc-extinguishing mechanism and an overcurrent protection mechanism; described arc-extinguishing mechanism is in order to eliminate the destruction of electric arc to circuit breaker; it comprises a metal run-on tab 033 and an arc-extinguish chamber 035; described metal run-on tab 033 is connected with described fixed contact 031 and extends to described housing 001 bottom, and described arc-extinguish chamber 035 is corresponding with described fixed contact 031.Described overcurrent protection mechanism is a magnetictrip 051; be arranged at described actuating mechanism bottom; the one end is connected with described movable contact spring upper end 023; its other end is connected with a terminal tool of a STATEMENT OF FEDERALLY SPONSORED 052; the other end of described STATEMENT OF FEDERALLY SPONSORED 052 is connected with described interlock controll block group 022; described when overcurrent appears in power line, make described dynamic and static contact separately, load and power line are disconnected.
Along with technical development, as the appearance of pre paid functionality, produced the external control type circuit breaker, see also shown in Figure 2ly, it is the internal structure schematic diagram of existing a kind of external control type circuit breaker; We are referred to as breaker body, clearly its structural change with respect to Fig. 1 is to be provided with a control circuit board 036 in inside, and have a control line and insert piece 044, described control line inserts the lower end that piece 044 is positioned at described phase line output wiring terminal 037, control line 041 may be from the pre-payment control circuit of electric energy meter, and extend in the described Shell of circuit breaker 001 and be connected with described control circuit board 036, be used to make described control circuit board 036 to accept external control signal, and be converted into triggering signal, carry out the open circuit control of pre-payment when using up.One carries out actuating mechanism, it has a trigger end, it receives the triggering signal action of described control circuit board 036, and then drive the action of described interlock controll block group 022, and what adopted here is magnetictrip 039, its armature and described STATEMENT OF FEDERALLY SPONSORED 052 lean, when described magnetictrip 039 is received the triggering signal of described control circuit board 36, described armature promotes STATEMENT OF FEDERALLY SPONSORED 052, and then drives the action of described interlock controll block group, and circuit breaker is opened circuit.
Because described phase line output wiring terminal is in order to be connected with the electric wire of registering one's residence, the user is easy to when the circuit that repairing is registered one's residence the control line mistake be broken on the one hand, thereby causes the malfunctioning of circuit breaker external control effect;
On the other hand, some illegal users are under the situation that circuit breaker opens circuit, and free from all inhibitions just can cut off control line, thereby influenced the setting in advance of management of power use department.
In view of above-mentioned defective, the utility model creator is through research and practice have obtained this creation finally for a long time.
Summary of the invention
The purpose of this utility model is, provides a kind of control line incoming end to be positioned at the circuit breaker of power line end of incoming cables, is used to solve above-mentioned defective.
For achieving the above object, the technical solution adopted in the utility model is, provide a kind of control line incoming end to be positioned at the circuit breaker of power line end of incoming cables, it comprises: a breaker body, it has the external control holding function, described control line inserts piece and is arranged in described breaker body phase line access terminal lower end, and the circuit that is connected with control circuit board in the corresponding described breaker body of control line is provided with baffle plate, in order to prevent damaging described control line in the arc extinguishing process.
Wherein, described breaker body comprises: the housing that an insulating material is made,
Also comprise: one handle, it has an operating side and is arranged at outside the described housing, in order to carry out the break-make control of power circuit;
One first movable contact spring, its end have one first moving contact;
One interlock controll block group, it is made up of a plurality of interlock controll blocks, and by being hinged and connected, wherein an end of one first interlock controll block is connected with described handle, and an end of a terminal interlock controll block is connected with the front end of described first movable contact spring;
One first fixed contact, it inserts terminal with described phase line and is electrically connected;
One phase line lead-out terminal, it is connected in order to the electric wire indoor with inserting the user;
One control circuit board, it is used to accept external control signal, and is converted into triggering signal;
One carries out actuating mechanism, and it has a trigger end, and it receives the triggering signal action of described control circuit board, and then drives the action of described interlock controll block group.
Preferable; also comprise: an overcurrent protection mechanism; it is a magnetictrip; one end and the described first movable contact spring mechanical connection; its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED; in the other end of described STATEMENT OF FEDERALLY SPONSORED and the described interlock controll block group one supports STATEMENT OF FEDERALLY SPONSORED and is connected; wherein; solenoid one end on the described magnetictrip is electrically connected with described first movable contact spring; its other end is connected with described phase line lead-out terminal; when overcurrent appears in power line, make described sound contact separately, load and power line disconnect.
Preferable, also comprise: an arc-extinguish chamber, it is arranged at described overcurrent protection mechanism bottom, and the lower edge of described arc-extinguish chamber is connected with described baffle plate, thereby makes described baffle plate play the striking effect.
Wherein, the other end of described control line is connected with the pre-payment control circuit of an electric energy meter, or the other end of described control line is connected with a far-end control appliance.
The beneficial effects of the utility model are compared with the prior art, because described control line is positioned at the lower end that described phase line inserts terminal, thereby avoided and to have been run into easily, the drawback that has reduced it to be cut off and external control was lost efficacy, simultaneously because the position of having improved the metal run-on tab has avoided described control line to burn in the arc extinguishing process.
Description of drawings
Fig. 1 is the internal structure schematic diagram of normal circuit breaker;
Fig. 2 is existing a kind of internal structure schematic diagram with external control function circuit breaker that is connected with electric energy meter pre-payment control circuit;
Fig. 3 is positioned at the circuit breaker internal structure schematic diagram of power line end of incoming cables for the utility model control line incoming end.
Embodiment
Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
See also shown in Figure 3ly, it is positioned at the circuit breaker internal structure schematic diagram of power line end of incoming cables for the utility model control line incoming end.
It comprises: a housing 001, and adopt the insulation fire proofing to make, portion is provided with following structure within it:
One phase line inserts a terminal 032 and a phase line lead-out terminal 037, in order to be linked in the power line; One actuating mechanism, it comprises: one handle 021, it has an operating side and is arranged at outside the described housing 001, carries out the break-make control of circuit; One movable contact spring 024, its end have a moving contact 025; One interlock controll block group 022, it is made up of a plurality of STATEMENT OF FEDERALLY SPONSORED, rotate by the axle that is arranged in the described housing 001, an end of its STATEMENT OF FEDERALLY SPONSORED that goes up most 0221 is connected with described handle 021, and the end of bottom STATEMENT OF FEDERALLY SPONSORED 0222 is connected with the front end of described movable contact spring 023; One fixed contact 031, it is connected with described phase line access terminal 032, when the described interlock controll block group 022 of turn handle 021 pulling, thereby causes seesawing of movable contact spring 024, the contact that realizes moving contact 025 and fixed contact 031 with separate, finally reach the purpose of power circuit break-make.It also comprises: an arc-extinguishing mechanism and an overcurrent protection mechanism; described arc-extinguishing mechanism is in order to eliminate the destruction of electric arc to circuit breaker; it comprises a baffle plate (being equivalent to metal arc extinguishing board 033) and an arc-extinguish chamber 035; described metal arc extinguishing board 033 and described fixed contact 031 are connected and extend to the lower edge of described arc-extinguish chamber 035; thereby and producing a space between described housing 001 bottom, described arc-extinguish chamber 035 is corresponding with described fixed contact 031.Described overcurrent protection mechanism is a magnetictrip 051; be arranged at described actuating mechanism bottom; the one end is connected with described movable contact spring upper end 023; its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED 052; the other end of described STATEMENT OF FEDERALLY SPONSORED 052 is connected with described interlock controll block group 022; solenoid one end on the wherein said magnetictrip is electrically connected with described first movable contact spring; its other end is connected with described phase line lead-out terminal; when overcurrent appears in power line; make described dynamic and static contact separately, load and power line are disconnected.
One control circuit board 36, it is used to accept external control signal, and is converted into triggering signal;
One carries out actuating mechanism, it has a trigger end, it receives the triggering signal action of described control circuit board 036, and then drive the action of described interlock controll block group 022, and what adopted here is magnetictrip 039, its armature and described STATEMENT OF FEDERALLY SPONSORED 052 lean, when described magnetictrip 039 is received the triggering signal of described control circuit board 36, described armature promotes STATEMENT OF FEDERALLY SPONSORED 052, thereby and then drive the action of described interlock controll block group 022, circuit breaker is opened circuit.
The lower end of inserting terminal 032 in described phase line is provided with described control line access piece 044, be positioned at the control line 041 on described breaker body 001 and the circuit that control circuit board 039 is connected, by passing of the space that produces between described metal arc extinguishing board 033 and described housing 001 bottom, in order to prevent burning control line in the arc extinguishing process.
Be positioned at the end that described phase line inserts terminal 032 because described control line inserts piece 044 like this, thereby avoided the user to be run into easily, reduced its cut off and make that external control lost efficacy may.
More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection range of the present utility model.

Claims (6)

1. a control line incoming end is positioned at the circuit breaker of power line end of incoming cables, it comprises: a breaker body, it has the external control holding function, it is characterized in that, described control line inserts piece and is arranged in described breaker body phase line access terminal lower end, the circuit that is connected with control circuit board in the corresponding described breaker body of control line is provided with baffle plate, in order to prevent damaging described control line in the arc extinguishing process.
2. control line incoming end according to claim 1 is positioned at the circuit breaker of power line end of incoming cables, it is characterized in that, described breaker body comprises: the housing that an insulating material is made;
Also comprise: one handle, it has an operating side and is arranged at outside the described housing, in order to carry out the break-make control of power circuit;
One first movable contact spring, its end have one first moving contact;
One interlock controll block group, it is made up of a plurality of interlock controll blocks, and by being hinged and connected, wherein an end of one first interlock controll block is connected with described handle, and an end of a terminal interlock controll block is connected with the front end of described first movable contact spring;
One first fixed contact, it inserts terminal with described phase line and is electrically connected;
One phase line lead-out terminal, it is connected in order to the electric wire indoor with inserting the user;
One control circuit board, it is used to accept external control signal, and is converted into triggering signal;
One carries out actuating mechanism, and it has a trigger end, and it receives the triggering signal action of described control circuit board, and then drives the action of described interlock controll block group.
3. control line incoming end according to claim 2 is positioned at the circuit breaker of power line end of incoming cables; it is characterized in that; also comprise: an overcurrent protection mechanism; it is a magnetictrip; one end and the described first movable contact spring mechanical connection; its other end is connected with an end of a STATEMENT OF FEDERALLY SPONSORED; in the other end of described STATEMENT OF FEDERALLY SPONSORED and the described interlock controll block group one supports STATEMENT OF FEDERALLY SPONSORED and is connected; wherein; solenoid one end on the described magnetictrip is electrically connected with described first movable contact spring, and its other end is connected with described phase line lead-out terminal, when overcurrent appears in power line; make described sound contact separately, load and power line disconnect.
4. control line incoming end according to claim 3 is positioned at the circuit breaker of power line end of incoming cables; it is characterized in that; also comprise: an arc-extinguish chamber; it is arranged at described overcurrent protection mechanism bottom; the lower edge of described arc-extinguish chamber is connected with described baffle plate, thereby makes described baffle plate play the striking effect.
5. be positioned at the circuit breaker of power line end of incoming cables according to the control line incoming end described in each claim of claim 1-4, it is characterized in that, the other end of described control line is connected with the pre-payment control circuit of an electric energy meter.
6. control line incoming end according to claim 5 is positioned at the circuit breaker of power line end of incoming cables, it is characterized in that, the other end of described control line is connected with a far-end control appliance.
CN2009200060670U 2009-03-09 2009-03-09 Circuit breaker with control line switch-in end positioned at power line inlet end Expired - Fee Related CN201444468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200060670U CN201444468U (en) 2009-03-09 2009-03-09 Circuit breaker with control line switch-in end positioned at power line inlet end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200060670U CN201444468U (en) 2009-03-09 2009-03-09 Circuit breaker with control line switch-in end positioned at power line inlet end

Publications (1)

Publication Number Publication Date
CN201444468U true CN201444468U (en) 2010-04-28

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Application Number Title Priority Date Filing Date
CN2009200060670U Expired - Fee Related CN201444468U (en) 2009-03-09 2009-03-09 Circuit breaker with control line switch-in end positioned at power line inlet end

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102254757A (en) * 2011-06-24 2011-11-23 人民电器集团有限公司 Neutral pole structure of miniature circuit breaker
CN103578882A (en) * 2013-10-27 2014-02-12 环宇集团有限公司 Breaker special for electricity meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102254757A (en) * 2011-06-24 2011-11-23 人民电器集团有限公司 Neutral pole structure of miniature circuit breaker
CN103578882A (en) * 2013-10-27 2014-02-12 环宇集团有限公司 Breaker special for electricity meter

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100428

Termination date: 20180309