CN202871603U - Circuit protector - Google Patents
Circuit protector Download PDFInfo
- Publication number
- CN202871603U CN202871603U CN 201220562201 CN201220562201U CN202871603U CN 202871603 U CN202871603 U CN 202871603U CN 201220562201 CN201220562201 CN 201220562201 CN 201220562201 U CN201220562201 U CN 201220562201U CN 202871603 U CN202871603 U CN 202871603U
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- China
- Prior art keywords
- armature
- circuit
- contact piece
- spring
- movable contact
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- Expired - Fee Related
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Abstract
The utility model discloses a circuit protector, which can automatically switch off a household circuit when the power grid is switched off, and cannot automatically switch on the household circuit when the power failure of the power grid is removed. The circuit protector comprises a protector body, wherein inside the protector body there is provided an electromagnet, above the electromagnet there is provided an armature, the top portion of the armature is connected with a spring capable of pulling the armature up, one end of the armature is connected with a moving contact piece, a position corresponding to the position of the moving contact piece is provided with a fixed contact piece, below the moving contact piece there is provided a blocking sheet for preventing the moving contact piece from freely moving left and right and up and down, and the moving contact piece and the fixed contact piece of the circuit protector are connected in series in an electric loop; when the power grid is switched on, the moving contact piece is contacted with the fixed contact piece and the electric loop is conductive; when the power grid is switched off, the spring pulls the armature up to separate the moving contact piece from the fixed contact piece; and when the power grid is switched on again, the blocking sheet prevents the moving contact piece from freely moving downwards and contacting a fixed contact, thereby ensuring the circuit to be in an off state, and achieving the purpose of protecting the circuit.
Description
Technical field
The utility model relates to a kind of circuit protection device, is specifically related to a kind of circuit brake.
Background technology
The power circuit of family is connected to connect synchronously with utility grid, when running into when having a power failure or cutting off the power supply because of electric network fault, people often occur and forget that powered-down just leaves, after the power system restoration energising, domestic circuit restores electricity synchronously, forget that the electrical appliance of closing can move again, cause the serious waste of electric energy, and the long-time risk that has the initiation fire accident of using of electrical appliance, dryout because of insulating pot every year, utensil dry combustion method, heating appliances service time is long and accident initiation fire happens occasionally, and the people's lives and property is caused safely serious threat.
The utility model content
The purpose of this utility model provides a kind of circuit brake, can the automatic disconnection home circuit when grid cut-off, and circuit protection device that can automatic processing circuit when electrical network is switched on again.
For reaching above purpose; the technical solution adopted in the utility model is as follows: comprise the protector body; be provided with electromagnet in the protector body; the electromagnet top is provided with armature; the armature top is connected with can be with the spring of its pull-up; armature one end is connected with movable contact spring, the corresponding static contact that is provided with the movable contact spring position, and the movable contact spring below is provided with can limit its freely obstruction sheet of upper and lower motion.
Be provided with support bar on the described protector body, the obstruction sheet is arranged at the support bar end and can rotates around the support bar end, hinders the sheet lower end and is connected with back-moving spring, also arranges on the protector body and can promote to hinder the button support that sheet rotates.
Described armature one end is connected with elastomeric element, and movable contact spring is connected with armature by elastomeric element.
Described movable contact spring bottom is provided with two moving contacts, correspondingly with the moving contact position is respectively arranged with two static contacts, is respectively arranged with fixed contact on the static contact.
Circuit brake described in the utility model; the family expenses operation circuit voltage is the electromagnet power supply after transformation; the movable contact spring of circuit brake and static contact are connected in the electricity consumption loop; when electrical network is switched on; electromagnet holds armature; the movable contact spot film contacts with static contact; the conducting of electricity consumption loop; when grid power blackout, spring pull-up armature makes movable contact spring separate with static contact, and home circuit disconnects; when electrical network is switched on again; obstruction sheet prevention movable contact spring freely moves down with fixed contact and contacts, and guarantees the state that circuit remains open, and reaches the purpose of protective circuit.
Further; circuit brake described in the utility model; at the protector body support bar is set; the obstruction sheet is arranged at the support bar end, and it can swing around the support bar end; hinder the sheet lower end and be connected with back-moving spring; arrange on the protector body and can promote to hinder the button support that sheet swings; armature is by the spring pull-up behind the grid cut-off, hinders sheet and resets under the pulling of back-moving spring and withstand on the movable contact spring bottom, and the electrical network rear prevention movable contact spring of again switching on moves downward with static contact and contacts; the protection Electrical Safety; want to make the circuit Power resumption, need only press button support, button support promotes to make the obstruction sheet to skid off from the movable contact spring bottom; armature drives movable contact spring and moves downward under the electromagnet suction effect; contact with static contact, circuit turn-on, only need press button support just can make again Power resumption of circuit; easy to operate simple, practical.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1, electromagnet; 2, spring; 3, armature; 4, movable contact spring; 401, moving contact one; 402, moving contact two; 51, static contact one; 52, static contact two; 501, fixed contact one; 502, fixed contact two; 6, hinder sheet; 7, protector body; 8, button support; 9, back-moving spring; 10, shell fragment, 11, support bar.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Such as Fig. 1; a kind of circuit brake is disclosed; comprise protector body 7; be provided with electromagnet 1 in the protector body 7, electromagnet 1 top is provided with armature 3, and armature 3 tops are connected with can be with the spring 2 of its pull-up; spring 2 other ends are fixed on the protector body 7; armature 3 one ends are connected with movable contact spring 4, and with the corresponding static contact that is provided with in movable contact spring 4 positions, movable contact spring 4 belows are provided with can limit its freely obstruction sheet 6 of upper and lower motion.
Be provided with support bar on the protector body 7; obstruction sheet 6 is arranged at the support bar end and can swings around the support bar end; hinder sheet 6 lower ends and be connected with back-moving spring 9; back-moving spring 9 other ends are fixed on the protector body 7; the button support 8 that can promote to hinder sheet 6 swings also is set on the protector body 7, and button support 8 passes protector body 7 and reaches protector body 7 outsides.
Circuit brake described in the utility model is connected to its power supply with electromagnet 1 with domestic circuit after transformation, the movable contact spring 4 of circuit brake and static contact are connected in the electricity consumption loop, when electrical network is switched on, electromagnet 1 holds armature 3, and movable contact spring contacts with static contact, the conducting of electricity consumption loop; When grid power blackout, spring 2 pull-up armature 3 make movable contact spring 4 separate with static contact, and home circuit disconnects; when electrical network is switched on again; obstruction sheet 6 prevention movable contact springs 4 freely move down with fixed contact and contact, and guarantee the state that circuit remains open, and reach the purpose of protective circuit.
At protector body 7 support bar 11 is set; hinder sheet 6 and be arranged at support bar 11 ends; it can rotate around the end of support bar 11; hinder sheet 6 lower ends and be connected with back-moving spring 9; also arrange on the protector body 7 and can promote to hinder the button support 8 that sheet 6 rotates; armature 3 is by spring 2 pull-ups behind the grid cut-off; obstruction sheet 6 resets under the pulling of back-moving spring 9 and withstands on movable contact spring 4 bottoms; the electrical network rear prevention movable contact spring 4 of again switching on moves downward with static contact and contacts; the protection Electrical Safety; want to make the circuit Power resumption; need only press button support 8; button support 8 promotes to make obstruction sheet 6 to skid off from movable contact spring 4 bottoms, and armature 3 drives movable contact spring 4 and moves downward under the suction of electromagnet 1, contact with static contact; circuit turn-on; only need to press button support 8 from protector body 7 outsides and just can make again Power resumption of circuit, easy to operate simple, practical.
The above circuit brake; armature 3 one ends are connected with shell fragment 10; movable contact spring 4 is connected with armature 3 by shell fragment 10; after obstruction sheet 6 skidded off from movable contact spring 4 bottoms, under the elastic force effect of shell fragment 10, movable contact spring 4 can contact with static contact fast; because making movable contact spring 4 press to static contact, the elastic force effect guarantees that its contact is good; guarantee Electrical Safety, the elastomeric elements such as the spring that shell fragment 10 can usage level arranges, spring leaf replace, and all can realize above purpose.
Described movable contact spring 4 bottoms are provided with two moving contacts, be respectively moving contact 1 and moving contact 2 402, with two corresponding static contact 1 and static contacts 2 52 of arranging respectively in moving contact position, fixed contact 1 is set on the static contact 1, fixed contact 2 502 is set on the static contact 2 52, fixed contact 1 and fixed contact 2 502 are connected in the electricity consumption loop, moving contact 1 contacts with fixed contact 2 502 with fixed contact 1 respectively with moving contact 2 402, the conducting of electricity consumption loop, need not movable contact spring 4 is connected with power circuit, avoid because of circuit with on the spring plate 10, lower motion causes electric wire and movable contact spring 4 bad, the loop is conducting repeatedly, disconnect, affect the normal electricity consumption of family, the problem that may cause electrical appliance to damage.
In sum, the disclosed circuit brake of the utility model is behind grid cut-off again during Power resumption; prevent the synchronous conducting of household electricity circuit; cause the problem of the waste of electric energy, avoid using the risk that causes fire incident because electrical appliance is long-time, guarantee the security of the lives and property.
Claims (4)
1. circuit brake; it is characterized in that; comprise protector body (7); be provided with electromagnet (1) in the protector body (7); electromagnet (1) top is provided with armature (3), and armature (3) top is connected with can be with the spring (2) of its pull-up, and armature (3) one ends are connected with movable contact spring (4); with the corresponding static contact that is provided with in movable contact spring (4) position, movable contact spring (4) below is provided with can limit its freely obstruction sheet (6) of upper and lower motion.
2. circuit brake according to claim 1; it is characterized in that; be provided with support bar (11) on the protector body (7); obstruction sheet (6) is arranged at support bar (11) end and can rotates around the support bar end; hinder sheet (6) lower end and be connected with back-moving spring (9), also arrange on the protector body (7) and can promote to hinder the button support (8) that sheet (6) rotates.
3. circuit brake according to claim 1 and 2 is characterized in that, armature (3) one ends are connected with elastomeric element, and movable contact spring (4) is connected with armature (3) by elastomeric element.
4. circuit brake according to claim 3 is characterized in that, described movable contact spring (4) bottom is provided with two moving contacts (401; 402), corresponding two static contacts (51,52) that are respectively arranged with the moving contact position; be respectively arranged with fixed contact (501,502) on the static contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562201 CN202871603U (en) | 2012-10-29 | 2012-10-29 | Circuit protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220562201 CN202871603U (en) | 2012-10-29 | 2012-10-29 | Circuit protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871603U true CN202871603U (en) | 2013-04-10 |
Family
ID=48038298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220562201 Expired - Fee Related CN202871603U (en) | 2012-10-29 | 2012-10-29 | Circuit protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202871603U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319121A (en) * | 2014-10-20 | 2015-01-28 | 中山顺富节能科技有限公司 | Switching type electricity economizer |
| CN105304361A (en) * | 2015-11-04 | 2016-02-03 | 成都聚智工业设计有限公司 | Novel power switch |
| CN106298311A (en) * | 2016-09-05 | 2017-01-04 | 广西大学 | A kind of high security electrical switch of convenient maintenance |
| CN106504917A (en) * | 2016-11-17 | 2017-03-15 | 广西大学 | A kind of high security electrical switch |
| CN108585148A (en) * | 2018-05-15 | 2018-09-28 | 陈肖欢 | A kind of ceramics factory's sewage-treatment plant |
| CN108807083A (en) * | 2018-08-01 | 2018-11-13 | 华北理工大学 | A kind of relay-set |
| CN108899241A (en) * | 2018-07-10 | 2018-11-27 | 武汉船用机械有限责任公司 | A kind of switching switch |
-
2012
- 2012-10-29 CN CN 201220562201 patent/CN202871603U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319121A (en) * | 2014-10-20 | 2015-01-28 | 中山顺富节能科技有限公司 | Switching type electricity economizer |
| CN105304361A (en) * | 2015-11-04 | 2016-02-03 | 成都聚智工业设计有限公司 | Novel power switch |
| CN106298311A (en) * | 2016-09-05 | 2017-01-04 | 广西大学 | A kind of high security electrical switch of convenient maintenance |
| CN106504917A (en) * | 2016-11-17 | 2017-03-15 | 广西大学 | A kind of high security electrical switch |
| CN108585148A (en) * | 2018-05-15 | 2018-09-28 | 陈肖欢 | A kind of ceramics factory's sewage-treatment plant |
| CN108899241A (en) * | 2018-07-10 | 2018-11-27 | 武汉船用机械有限责任公司 | A kind of switching switch |
| CN108807083A (en) * | 2018-08-01 | 2018-11-13 | 华北理工大学 | A kind of relay-set |
| CN108807083B (en) * | 2018-08-01 | 2024-03-01 | 国网冀北电力有限公司廊坊供电公司 | Relay device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20131029 |