CN201549396U - Double contact structure for electric connection and relay thereof - Google Patents
Double contact structure for electric connection and relay thereof Download PDFInfo
- Publication number
- CN201549396U CN201549396U CN2009202604513U CN200920260451U CN201549396U CN 201549396 U CN201549396 U CN 201549396U CN 2009202604513 U CN2009202604513 U CN 2009202604513U CN 200920260451 U CN200920260451 U CN 200920260451U CN 201549396 U CN201549396 U CN 201549396U
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- Prior art keywords
- contact
- fixed contact
- auxilliary
- relay
- housing
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Abstract
The utility model discloses a double contact structure for electric connection and a relay thereof. The double contact structure comprises a static contact and a movable contact; wherein the static contact comprises a main static contact and an auxiliary static contact which are mutually and electrically connected, and the movable contact comprises a main movable contact and an auxiliary movable contact which are mutually and electrically connected; the static distance between the main movable contact and the main static contact is larger than the static distance between the auxiliary movable contact and the auxiliary static contact. The main contacts and the auxiliary contacts are used; the auxiliary contacts are made of a material with strong arc spark resistant capacity, so as to effectively reduce arc generation during connection and disconnection; while the main contacts are made of a material with low contact resistance, so as to reduce the energy consumption and heating between the contacts, and improve the energy utilization ratio and reduce fire. The relay can adopt permanent magnet simultaneously, so that the contacts can be self-held after being connected, therefore, the relay has the advantages of electricity conservation and long service life. The double contact structure is suitable for all switching devices electrically connected, and the relay is suitable for miniature relay structures with low current.
Description
Technical field
The utility model relates to the contact structure in a kind of the electrically connecting and establishes the relay of this contact structure, more particularly is meant the double-contact structure and the relay thereof that are used to electrically connect.
Background technology
In the prior art, the switch that uses in circuit has semiconductor switch (as triode) and mechanical switch, and wherein mechanical switch all uses mechanical contact; These contacts can produce very arc spark in moment energized or during deenergization, are burnt easily; Usually people have adopted the very little material of contact resistance (such as silver alloy) to do the contact, and the ability poor (influencing the working life of relay) of the arc resistant spark of the very little material of contact resistance; The material that the ability of arc resistant spark is strong (such as tungsten alloy), contact resistance are not suitable for doing the contact again more greatly.How allowing the contact can realize that the conducting of big electric current again can be high temperature resistant, can produce few electric arc again, is puzzlement people in the industry's a difficult problem.
In addition, need be under the situation of electromagnet energising as at present a lot of relays are many connection of holding contact, power consumption waste resource not only, and burn out magnet spool easily.
The utility model content
The purpose of this utility model is a kind of double-contact structure to be provided and to have adopted the relay of this contact for overcoming the deficiencies in the prior art, utilize auxilliary contact and main contacts conducting and disconnection successively, the arc resisting ability of relay can be improved, the requirement of the big electric current in contact can be satisfied simultaneously; In the relay that adopts this contact structure, also adopted permanent magnet to carry out the self-sustaining of contact, can tighten the purse strings, and improved the life-span of solenoid.
The technology contents of the double-contact structure that is used to electrically connect of the utility model is: the double-contact structure that is used to electrically connect, comprise fixed contact and moving contact, it is characterized in that described fixed contact comprises main fixed contact and the auxilliary fixed contact that electrically connects mutually, described moving contact comprises active contact and the auxilliary moving contact that electrically connects mutually; Initiatively the passive distance of contact and main fixed contact is greater than the passive distance of auxilliary moving contact and auxilliary fixed contact; When closed, auxilliary moving contact and auxilliary fixed contact contact contacting prior to active contact and main fixed contact; During disconnection, initiatively the disconnection of contact and main fixed contact is prior to the disconnection of auxilliary moving contact and auxilliary fixed contact.
Its further technology contents is: described moving contact connects with the end of a sliding part, and the other end of described sliding part connects with power spare.
A kind of technology contents with relay of double-contact of the utility model is: the sliding part that a kind of relay with double-contact, its feature comprise housing, are fixed in the electromagnet assembly on the housing and are slidingly connected with housing; Described housing resilient connection has fixed contact and moving contact; Described fixed contact comprises main fixed contact and the auxilliary fixed contact that electrically connects mutually, and described moving contact comprises active contact and the auxilliary moving contact that electrically connects mutually; Initiatively the passive distance of contact and main fixed contact is greater than the passive distance of auxilliary moving contact and auxilliary fixed contact; When closed, auxilliary moving contact and auxilliary fixed contact contact contacting prior to active contact and main fixed contact; During disconnection, initiatively the disconnection of contact and main fixed contact is prior to the disconnection of auxilliary moving contact and auxilliary fixed contact.
Its further technology contents is: described electromagnet assembly comprises the iron core that is fixedly arranged in the housing, be set around on the iron core solenoid and and be located at the armature of iron core one end, described armature connects with sliding part.
Its further technology contents is: described fixed contact is connected with the fixed contact substrate that is fixedly arranged on the housing, described moving contact is connected with the moving contact substrate that is fixedly arranged on the housing, the bottom of housing is provided with the fixed contact pin that electrically connects with the fixed contact substrate, the moving contact pin that electrically connects with the moving contact substrate and the electromagnet pin that electrically connects with solenoid, and the upper end of described housing is provided with the chute that is slidingly matched with sliding part.
Its further technology contents is: an end of described armature connects with sliding part, and the other end is hinged in housing; The stage casing of armature connects with iron core magnetic.
Its further technology contents is: described housing also is installed with the permanent magnet that connects with armature magnetic; Described solenoid is a dc coil; When solenoid inserted the forward power supply, the iron core adhesive armature promoted sliding part then, moving contact and fixed contact closure, armature self-sustaining under the adhesive effect of permanent magnet; When solenoid inserted reverse electrical source, iron core repelled armature, oppositely promotes sliding part then, and moving contact and fixed contact disconnect.
Its further technology contents is: the last periphery of described housing also is provided with loam cake.
The utility model beneficial effect compared with prior art is: the utility model adopts main contacts and auxilliary contact, auxilliary contact adopts the strong material of arc resistant spark ability to make, the generation of electric arc when disconnecting when reduce connecting effectively, and main contacts adopts the little material of contact resistance to make, to reduce energy consumption and the heating between the contact, improve energy utilization rate and reduce the generation of fire.The relay of the utility model adopts permanent magnet simultaneously, making after the closing of contact can self-sustaining, has the saving electricity consumption, the characteristics that life-span is long, the double-contact structure of the utility model is fit in all switching devices that electrically connect, and the relay of the utility model is fit to the miniature relay structure of little electric current.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is provided with the structural representation of the relay specific embodiment of double-contact structure for the utility model;
Fig. 2 is that the A of Fig. 1 is to enlarged drawing.
Description of reference numerals
1 housing
2 fixed contact 2A master fixed contacts
2B assists fixed contact 20 fixed contact substrates
21 fixed contact pins
3 moving contact 3A are the contact initiatively
3B assists moving contact 30 moving contact substrates
31 moving contact pins
4 sliding parts, 5 electromagnet assemblies
50 electromagnet pins, 51 solenoids
52 iron cores, 53 armature
6 permanent magnets
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model is further introduced and explanation, but be not limited to this.
As depicted in figs. 1 and 2, the double-contact structure that is used to electrically connect of the utility model, comprise fixed contact 2 and moving contact 3, fixed contact 2 comprises main fixed contact 2A and the auxilliary fixed contact 2B that electrically connects mutually, and moving contact 3 comprises active contact 3A and the auxilliary moving contact 3B that electrically connects mutually; Initiatively the passive distance of contact 3A and main fixed contact 2A is greater than the passive distance of auxilliary moving contact 3B and auxilliary fixed contact 3A; When closed, auxilliary moving contact 3B and auxilliary fixed contact 2B contact contacting prior to active contact 3A and main fixed contact 2A; During disconnection, initiatively the disconnection of contact 3A and main fixed contact 2A is prior to the disconnection of auxilliary moving contact 3B and auxilliary fixed contact 2B.
A kind of relay of the utility model with double-contact, the sliding part 4 that comprises housing 1, is fixed in the electromagnet assembly 5 on the housing 1 and is slidingly connected with housing 1; Housing 1 resilient connection has fixed contact 2 and moving contact 3; Fixed contact 2 comprises main fixed contact 2A and the auxilliary fixed contact 2B that electrically connects mutually, and moving contact 3 comprises active contact 3A and the auxilliary moving contact 3B that electrically connects mutually; Initiatively the passive distance of contact 3A and main fixed contact 2A is greater than the passive distance of auxilliary moving contact 3B and auxilliary fixed contact 2B; When closed, auxilliary moving contact 3B and auxilliary fixed contact 2B contact contacting prior to active contact 3A and main fixed contact 2A; During disconnection, initiatively the disconnection of contact 3A and main fixed contact 2A is prior to the disconnection of auxilliary moving contact 3B and auxilliary fixed contact 2B.Electromagnet assembly 5 comprises the iron core 52 that is fixedly arranged in the housing 1, be set around on the iron core 52 solenoid 51 and and be located at the armature 53 of iron core 52 1 ends, armature 53 connects with sliding part 4.Fixed contact 2 is connected with the fixed contact substrate 20 that is fixedly arranged on the housing 1, moving contact 3 is connected with the moving contact substrate 30 that is fixedly arranged on the housing 1, the bottom of housing 1 is provided with the fixed contact pin 21 that electrically connects with fixed contact substrate 20, the moving contact pin 31 that electrically connects with moving contact substrate 30 and the electromagnet pin 50 that electrically connects with solenoid 51, the upper end of housing 1 is provided with the chute that is slidingly matched with sliding part 4, and the chute direction is parallel with iron core 52.One end of armature 6 connects with sliding part 4, the other end is hinged on housing 1, here said being hinged is meant " being equivalent to be hinged ", because the amount of movement of sliding part is very little, the amount of deflection that armature 53 needs is also very little, promptly forms the deflectable connecting relation that is hinged in the groove so can adopt lower end with armature 53 to be stuck in.What adopt in the present embodiment is that lower end with armature places the side in the housing, utilizes a protuberance of loam cake to form the connecting relation that is hinged again.The stage casing of armature 53 connects with iron core 52 magnetic.Housing 1 also is installed with the permanent magnet 6 that connects with armature 53 magnetic; Solenoid 51 is a dc coil; When solenoid 51 inserted the forward power supply, iron core 52 adhesive armatures 53 promoted sliding part 4 then, moving contact 3 and fixed contact 2 closures, armature 53 self-sustaining under the adhesive effect of permanent magnet 6; When solenoid 51 inserted reverse electrical source, iron core 52 repelled armature 53, oppositely promotes sliding part 4 then, and moving contact 3 disconnects with fixed contact 2.The last periphery of housing 1 also is provided with the loam cake (not shown).
In sum, the utility model adopts main contacts and auxilliary contact, auxilliary contact adopts the strong material of arc resistant spark ability to make, the generation of electric arc when disconnecting when reduce connecting effectively, and main contacts adopts the little material of contact resistance to make, to reduce energy consumption and the heating between the contact, improve energy utilization rate and reduce the generation of fire.The relay of the utility model adopts permanent magnet simultaneously, making after the closing of contact can self-sustaining, has the saving electricity consumption, the characteristics that life-span is long, the double-contact structure of the utility model is fit in all switching devices that electrically connect, and the relay of the utility model is fit to the miniature relay structure of little electric current.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent execution mode of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (8)
1. be used to the double-contact structure that electrically connects, comprise fixed contact and moving contact, it is characterized in that described fixed contact comprises main fixed contact and the auxilliary fixed contact that electrically connects mutually, described moving contact comprises active contact and the auxilliary moving contact that electrically connects mutually; Initiatively the passive distance of contact and main fixed contact is greater than the passive distance of auxilliary moving contact and auxilliary fixed contact; When closed, auxilliary moving contact and auxilliary fixed contact contact contacting prior to active contact and main fixed contact; During disconnection, initiatively the disconnection of contact and main fixed contact is prior to the disconnection of auxilliary moving contact and auxilliary fixed contact.
2. the double-contact structure that is used to electrically connect according to claim 1 is characterized in that described moving contact connects with the end of a sliding part, and the other end of described sliding part connects with power spare.
3. relay with double-contact, the sliding part that its feature comprises housing, is fixed in the electromagnet assembly on the housing and is slidingly connected with housing; Described housing resilient connection has fixed contact and moving contact; Described fixed contact comprises main fixed contact and the auxilliary fixed contact that electrically connects mutually, and described moving contact comprises active contact and the auxilliary moving contact that electrically connects mutually; Initiatively the passive distance of contact and main fixed contact is greater than the passive distance of auxilliary moving contact and auxilliary fixed contact; When closed, auxilliary moving contact and auxilliary fixed contact contact contacting prior to active contact and main fixed contact; During disconnection, initiatively the disconnection of contact and main fixed contact is prior to the disconnection of auxilliary moving contact and auxilliary fixed contact.
4. the relay with double-contact according to claim 3, it is characterized in that described electromagnet assembly comprise the iron core that is fixedly arranged in the housing, be set around on the iron core solenoid and and be located at the armature of iron core one end, described armature connects with sliding part.
5. the relay with double-contact according to claim 4, it is characterized in that described fixed contact is connected with the fixed contact substrate that is fixedly arranged on the housing, described moving contact is connected with the moving contact substrate that is fixedly arranged on the housing, the bottom of housing is provided with the fixed contact pin that electrically connects with the fixed contact substrate, the moving contact pin that electrically connects with the moving contact substrate and the electromagnet pin that electrically connects with solenoid, and the upper end of described housing is provided with the chute that is slidingly matched with sliding part.
6. the relay with double-contact according to claim 5 is characterized in that an end of described armature connects with sliding part, and the other end is hinged in housing; The stage casing of armature connects with iron core magnetic.
7. the relay with double-contact according to claim 6 is characterized in that described housing also is installed with the permanent magnet that connects with armature magnetic; Described solenoid is a dc coil; When solenoid inserted the forward power supply, the iron core adhesive armature promoted sliding part then, moving contact and fixed contact closure, armature self-sustaining under the adhesive effect of permanent magnet; When solenoid inserted reverse electrical source, iron core repelled armature, oppositely promotes sliding part then, and moving contact and fixed contact disconnect.
8. the relay with double-contact according to claim 7 is characterized in that the last periphery of described housing also is provided with loam cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202604513U CN201549396U (en) | 2009-11-13 | 2009-11-13 | Double contact structure for electric connection and relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202604513U CN201549396U (en) | 2009-11-13 | 2009-11-13 | Double contact structure for electric connection and relay thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549396U true CN201549396U (en) | 2010-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202604513U Expired - Fee Related CN201549396U (en) | 2009-11-13 | 2009-11-13 | Double contact structure for electric connection and relay thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549396U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568936A (en) * | 2012-02-15 | 2012-07-11 | 南京全宁电器有限公司 | Contactor capable of having service life prolonged |
| CN102610443A (en) * | 2012-03-28 | 2012-07-25 | 湖北天运汽车电器系统有限公司 | Relay of automobile |
| CN102915880A (en) * | 2011-08-03 | 2013-02-06 | 富士通电子零件有限公司 | Electromagnetic relay |
| CN106683951A (en) * | 2015-11-10 | 2017-05-17 | 利萨·德雷克塞迈尔有限责任公司 | Electromechanical protective switch |
| CN109243918A (en) * | 2018-08-21 | 2019-01-18 | 宁波市鄞州永林电子电器有限公司 | A kind of high power relay |
-
2009
- 2009-11-13 CN CN2009202604513U patent/CN201549396U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915880A (en) * | 2011-08-03 | 2013-02-06 | 富士通电子零件有限公司 | Electromagnetic relay |
| CN102915880B (en) * | 2011-08-03 | 2016-08-24 | 富士通电子零件有限公司 | Electromagnetic relay |
| CN102568936A (en) * | 2012-02-15 | 2012-07-11 | 南京全宁电器有限公司 | Contactor capable of having service life prolonged |
| CN102610443A (en) * | 2012-03-28 | 2012-07-25 | 湖北天运汽车电器系统有限公司 | Relay of automobile |
| CN102610443B (en) * | 2012-03-28 | 2014-12-10 | 湖北天运汽车电器系统有限公司 | Relay of automobile |
| CN106683951A (en) * | 2015-11-10 | 2017-05-17 | 利萨·德雷克塞迈尔有限责任公司 | Electromechanical protective switch |
| CN106683951B (en) * | 2015-11-10 | 2019-03-08 | 利萨·德雷克塞迈尔有限责任公司 | Mechanical and electrical protection switch |
| CN109243918A (en) * | 2018-08-21 | 2019-01-18 | 宁波市鄞州永林电子电器有限公司 | A kind of high power relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HU XIAOXIA Free format text: FORMER OWNER: TREND TECHNOLOGY (SHENZHEN) CO., LTD. Effective date: 20120604 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 325000 WENZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120604 Address after: 325000, Room 806, East College building, Po Street Street College, Lucheng District, Wenzhou, Zhejiang Patentee after: Hu Xiaoxia Address before: 518000, 4 floor, Colourful Inn, Longhua, Baoan District, Shenzhen, Guangdong Province Patentee before: Trend Intelligence (Shenzhen) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20121113 |