CN202855673U - Prying plate trip breaker - Google Patents
Prying plate trip breaker Download PDFInfo
- Publication number
- CN202855673U CN202855673U CN 201220556049 CN201220556049U CN202855673U CN 202855673 U CN202855673 U CN 202855673U CN 201220556049 CN201220556049 CN 201220556049 CN 201220556049 U CN201220556049 U CN 201220556049U CN 202855673 U CN202855673 U CN 202855673U
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- skid plate
- yoke
- plate
- conductive plate
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Abstract
The utility model relates to a prying plate trip breaker, which comprises a shell, an operating mechanism, a locking frame, a tripping mechanism, a moving contact, a static contact, an arc extinguishing chamber and a bimetallic strip, wherein the locking frame is arranged in the shell in a hinged manner; the locking frame comprises a locking part matched with the operating mechanism and an action part matched with the tripping mechanism; the tripping mechanism comprises a prying plate unit and a driving unit driving the prying plate to rotate, the driving unit comprises a conductive plate electrically connected with the bimetallic strip and an electromagnetic sensing element arranged on the conductive plate, and the prying plate unit comprises a prying plate which is pivotally arranged; one end of the prying plate is provided with an armature matched with the electromagnetic sensing element, the other end of the prying plate is arranged in a manner of being matched with the action part of the locking frame, and the prying plate is further provided with an elastic piece which applies force to the prying plate. The technical solution provided by the utility model has the effects of simple structure, lower cost, and ability of improving the breaking capacity and rated current greatly.
Description
Technical field
The utility model relates to field of circuit breakers, is specifically related to a kind of skid plate dropout circuit breaker.
Background technology
Circuit breaker, generally include housing, be provided with operating mechanism, snap close frame, tripping mechanism, moving contact, fixed contact, arc control device and bimetal leaf in the housing, both sides in the housing also are respectively arranged with binding post, bimetal leaf one end is connected with the binding post conducting of a side in the housing, the bimetal leaf other end is connected with the moving contact conducting by brush wire, and the snap close frame is hinged to be arranged in the housing, and the snap close frame comprises the latch part that matches with operating mechanism and the operating member that matches with tripping mechanism.Traditional miniature circuit breaker, its tripping mechanism adopts magnetictrip usually, and the coil of magnetictrip is connected with the bimetal leaf conduction, and circuit breaker is when normal condition, the snap close frame keeps operating mechanism under the effect of back-moving spring, so that moving contact and fixed contact are conducted; When short circuit current passes through the coil of bimetal leaf and magnetictrip, the magnetic field force that coil produces overcomes the reaction spring adhesive armature and hits draw bar, draw bar drive snap close frame overcomes action of reset spring power and rotates, thereby so that operating mechanism and the tripping of snap close frame phase, final so that moving contact and fixed contact are separated and cut off circuit.Traditional miniature circuit breaker, tripping mechanism adopts magnetictrip, and magnetictrip is arranged on the top of arc control device usually, because magnetictrip has larger volume, and miniature circuit breaker is subject to the overall volume restriction, thereby can only reduce the volume of arc control device, thereby has limited its breaking capacity and rated current, traditional outer casing width is the miniature circuit breaker of 18mm, and its rated current only has 63A.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of simple in structure, cost is lower and greatly improve the skid plate dropout circuit breaker of breaking capacity and rated current.
For achieving the above object, the utility model provides following technical scheme: a kind of skid plate dropout circuit breaker, comprise housing, be provided with operating mechanism in the housing, the snap close frame, tripping mechanism, moving contact, fixed contact, arc control device and bimetal leaf, both sides in the housing also are respectively arranged with binding post, described snap close frame is hinged to be arranged in the housing, described snap close frame comprises the latch part that matches with operating mechanism and the operating member that matches with tripping mechanism, described tripping mechanism comprise the skid plate unit with and the driver element that drives the skid plate unit rotational, described driver element comprises the conductive plate that is electrically connected with bimetal leaf and is arranged on electromagnetic induction element on the conductive plate, described skid plate unit comprises the skid plate that can pivot and arrange, described skid plate one end is provided with the armature that matches with electromagnetic induction element, the setting that matches with the operating member of snap close frame of the skid plate other end, described skid plate also is provided with the elastic component that skid plate is imposed active force, described active force make corresponding armature one end of skid plate have with electromagnetic induction element from trend.
By adopting technique scheme, when circuit breaker during in normal condition, the snap close frame keeps operating mechanism, so that moving contact and fixed contact are conducted; When short circuit current process bimetal leaf, because conductive plate is electrically connected with bimetal leaf, and so that electromagnetic induction element produce electromagnetic induction and produce magnetic field, thereby the armature that is arranged on the skid plate is produced suction, when overcoming the elastic component active force, skid plate rotates, the end that the operating member with the snap close frame of skid plate matches is so that the rotation of snap close frame, thereby so that the latch part that matches with operating mechanism and the operating mechanism of snap close frame thread off, so that action occurs and disconnects mutually with fixed contact in moving contact.Therefore, the armature that is fixed on the skid plate closes moving tripping mechanism of wink with the skid plate formula bat of electromagnetic induction element formation that is fixed on the conductive plate, thereby cancelled the magnetictrip of conventional circuit breaker, so that breaker structure is simpler, and reduced production cost, and effectively reduced internal volume, just can increase the volume of arc control device, thereby improved breaking capacity and rated current.The skid plate dropout circuit breaker of technical solutions of the utility model, outer casing width is that the breaker rated current of 9mm can be brought up to 32A, outer casing width is that the breaker rated current of 12mm can be brought up to 63A, outer casing width is that the breaker rated current of 18mm can be brought up to 125A, and outer casing width is that the breaker rated current of 27mm can be brought up to 250A.
The utility model further arranges: described electromagnetic induction element is set to yoke, and described yoke is fixedly installed in the housing, and described conductive plate passes the yoke setting, and corresponding armature one side of described yoke is the opening setting.
The utility model further arranges: described tripping mechanism is arranged on position between operating mechanism and the arc control device, the latch part that matches with operating mechanism of described snap close frame and the operating member that matches with tripping mechanism all are arranged on snap close frame respective operations mechanism and tripping mechanism one side, described conductive plate be by corresponding bimetal leaf one end to the other end to the setting of operating mechanism curving.
By adopting technique scheme, so that skid plate dropout circuit breaker overall structure is compacter, firm.
The utility model further arranges: corresponding conductive plate position is provided with conductive plate is carried out spacing limit base in the described housing, is provided with the limited impression suitable with conductive plate on the limit base, and conductive plate partly is located in the limited impression.
By adopting technique scheme, so that being fixed in the housing that conductive plate can be firm improved skid plate dropout circuit breaker stability.
The utility model further arranges: corresponding yoke position is provided with the holder that yoke is fixed in the described housing, be provided with boss on the holder, be provided with the fixing hole suitable with the boss shape on the yoke, yoke matches with boss by fixing hole and holder fixes, and yoke and conductive plate are fixed by spot-welded on.
By adopting technique scheme, so that being fixed in the housing that yoke can be firm further improved skid plate dropout circuit breaker stability.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the utility model example structure figure;
Fig. 2 is the A section enlarged drawing of Fig. 1;
Fig. 3 is the utility model tripping mechanism and snap close frame example structure figure one;
Fig. 4 is the utility model tripping mechanism and snap close frame example structure figure two;
Fig. 5 is the utility model skid plate unit example structure figure;
Fig. 6 is the utility model drive unit embodiment structure chart;
Fig. 7 is the utility model snap close frame example structure figure;
Fig. 8 is the utility model housing example structure figure;
Fig. 9 is the B section enlarged drawing of Fig. 8.
Embodiment
Referring to accompanying drawing 1 to accompanying drawing 9, the disclosed skid plate dropout of the utility model circuit breaker, comprise housing, be provided with operating mechanism 2 in the housing, snap close frame 3, tripping mechanism 4, moving contact 5, fixed contact 6, arc control device 7 and bimetal leaf 8, operating mechanism 2 comprises the handle 201 that is the interlock setting, tripping 202, indication lever 203 and small rack 204, both sides in the housing 1 also are respectively arranged with binding post 9, small rack 204 is interlock setting with moving contact 5, bimetal leaf 8 one ends are connected with binding post 9 conductings of a side in the housing 1 by terminal block 10 and flexible link 11, described snap close frame 3 hinged being arranged in the housing 1, described snap close frame 3 comprises the latch part 301 that matches with the tripping 202 of operating mechanism 2 and the operating member 302 that matches with tripping mechanism 4, described tripping mechanism 4 comprise skid plate unit 401 with and drive the driver element 402 that skid plate unit 401 rotates, described driver element 402 comprises the conductive plate 4021 that is electrically connected with bimetal leaf 8 and is arranged on electromagnetic induction element 4022 on the conductive plate 4021, preferably, conductive plate 4021 passes through conductor wire 12 with bimetal leaf 8, described skid plate unit 401 comprises the skid plate 4011 that can pivot and arrange, preferably, skid plate 4011 is with housing 1 and is articulated and connected, described skid plate 4,011 one ends are provided with the armature 4012 that matches with electromagnetic induction element 4022, the setting that matches with the operating member 302 of snap close frame 3 of skid plate 4011 other ends, described skid plate 4011 also is provided with the elastic component 4013 that skid plate 4011 is imposed active force, described active force make skid plate 4011 corresponding armature 4,012 one ends have with electromagnetic induction element 4022 from trend.So arrange, when circuit breaker during in normal condition, snap close frame 3 keeps operating mechanisms 2, so that moving contact 5 is conducted with fixed contact 6; When short circuit current process bimetal leaf 8, because conductive plate 4021 is electrically connected with bimetal leaf 8, and so that electromagnetic induction element 4022 produce electromagnetic induction and produce magnetic field, thereby the armature 4012 that is arranged on the skid plate 4011 is produced suction, when overcoming elastic component 4013 active force, skid plate 4011 rotates, an end that matches with operating member 302 snap close frame 3 skid plate 4011 is so that 3 rotations of snap close frame, thereby so that the latch part that matches with operating mechanism 2 301 of snap close frame 3 threads off with operating mechanism 2, so that moving contact 5 occurs to move and disconnects mutually with fixed contact 6.Therefore, the armature 4012 that is fixed on the skid plate 4011 closes moving tripping mechanism of wink with the skid plate formula bat of electromagnetic induction element 4022 formations that is fixed on the conductive plate 4021, thereby cancelled the magnetictrip of conventional circuit breaker, so that breaker structure is simpler, and reduced production cost, and effectively reduced internal volume, just can increase the volume of arc control device 7, thereby improved breaking capacity and rated current.The skid plate dropout circuit breaker of technical solutions of the utility model, outer casing width is that the breaker rated current of 9mm can be brought up to 32A, outer casing width is that the breaker rated current of 12mm can be brought up to 63A, outer casing width is that the breaker rated current of 18mm can be brought up to 125A, and outer casing width is that the breaker rated current of 27mm can be brought up to 250A.
The present embodiment further arranges: described electromagnetic induction element 4022 is set to yoke, and described yoke is fixedly installed in the housing 1, and described conductive plate 4021 passes the yoke setting, and corresponding armature 4,012 one sides of described yoke are the opening setting.When short circuit current through 4021 the time, yoke produces magnetic field so that armature 4012 is produced suction.
The utility model further arranges: described tripping mechanism 4 is arranged on position between operating mechanism 2 and the arc control device 7, the latch part 301 that matches with operating mechanism 2 of described snap close frame 3 and the operating member 302 that matches with tripping mechanism 4 all are arranged on snap close frame 3 respective operations mechanisms 2 and tripping mechanism 4 one sides, and described conductive plate 4021 is by the 2 curving settings to the other end to operating mechanism of corresponding bimetal leaf 8 one ends.So arrange, 4021 pairs of skid plate unit of conductive plate 401 carry out the space steps down, so that skid plate dropout circuit breaker overall structure is compacter, firm.
The present embodiment further arranges: described housing 1 interior corresponding conductive plate 4021 positions are provided with carries out spacing limit base 101 to conductive plate 4021, be provided with the limited impression 102 suitable with conductive plate 4021 on the limit base 101, conductive plate 4021 parts are located in the limited impression 102.So arrange, so that being fixed in the housing 1 that conductive plate 4021 can be firm improved skid plate dropout circuit breaker stability.
The present embodiment further arranges: described housing 1 interior corresponding yoke position is provided with the holder 103 that yoke is fixed, be provided with boss 104 on the holder 103, be provided with the fixing hole 40221 suitable with the boss shape on the yoke, yoke matches with boss 104 by fixing hole 40221 and holder 103 fixes, and yoke and conductive plate 4021 are fixed by spot-welded on.So arrange, so that being fixed in the housing that yoke can be firm further improved skid plate dropout circuit breaker stability.
Claims (5)
1. skid plate dropout circuit breaker, comprise housing, be provided with operating mechanism in the housing, the snap close frame, tripping mechanism, moving contact, fixed contact, arc control device and bimetal leaf, both sides in the housing also are respectively arranged with binding post, described snap close frame is hinged to be arranged in the housing, described snap close frame comprises the latch part that matches with operating mechanism and the operating member that matches with tripping mechanism, it is characterized in that: described tripping mechanism comprises skid plate unit and the driver element that drives the skid plate unit rotational, described driver element comprises the conductive plate that is electrically connected with bimetal leaf and is arranged on electromagnetic induction element on the conductive plate, described skid plate unit comprises the skid plate that can pivot and arrange, described skid plate one end is provided with the armature that matches with electromagnetic induction element, the setting that matches with the operating member of snap close frame of the skid plate other end, described skid plate also is provided with the elastic component that skid plate is imposed active force, described active force make corresponding armature one end of skid plate have with electromagnetic induction element from trend.
2. skid plate dropout circuit breaker according to claim 1, it is characterized in that: described electromagnetic induction element is set to yoke, and described yoke is fixedly installed in the housing, and described conductive plate passes the yoke setting, and corresponding armature one side of described yoke is the opening setting.
3. skid plate dropout circuit breaker according to claim 1 and 2, it is characterized in that: described tripping mechanism is arranged on position between operating mechanism and the arc control device, the latch part that matches with operating mechanism of described snap close frame and the operating member that matches with tripping mechanism all are arranged on snap close frame respective operations mechanism and tripping mechanism one side, described conductive plate be by corresponding bimetal leaf one end to the other end to the setting of operating mechanism curving.
4. skid plate dropout circuit breaker according to claim 3, it is characterized in that: corresponding conductive plate position is provided with conductive plate is carried out spacing limit base in the described housing, be provided with the limited impression suitable with conductive plate on the limit base, conductive plate partly is located in the limited impression.
5. skid plate dropout circuit breaker according to claim 4, it is characterized in that: corresponding yoke position is provided with the holder that yoke is fixed in the described housing, be provided with boss on the holder, be provided with the fixing hole suitable with the boss shape on the yoke, yoke matches with boss by fixing hole and holder fixes, and yoke and conductive plate are fixed by spot-welded on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556049 CN202855673U (en) | 2012-10-25 | 2012-10-25 | Prying plate trip breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556049 CN202855673U (en) | 2012-10-25 | 2012-10-25 | Prying plate trip breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855673U true CN202855673U (en) | 2013-04-03 |
Family
ID=47986842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220556049 Withdrawn - After Issue CN202855673U (en) | 2012-10-25 | 2012-10-25 | Prying plate trip breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915890A (en) * | 2012-10-25 | 2013-02-06 | 温州市新蓝天电器有限公司 | Crow plate trip circuit breaker |
-
2012
- 2012-10-25 CN CN 201220556049 patent/CN202855673U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915890A (en) * | 2012-10-25 | 2013-02-06 | 温州市新蓝天电器有限公司 | Crow plate trip circuit breaker |
| CN102915890B (en) * | 2012-10-25 | 2015-04-22 | 温州市新蓝天电器有限公司 | Crow plate trip circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20150422 |