CN108899234B - DC contactor with fusing protection function - Google Patents
DC contactor with fusing protection function Download PDFInfo
- Publication number
- CN108899234B CN108899234B CN201810965948.9A CN201810965948A CN108899234B CN 108899234 B CN108899234 B CN 108899234B CN 201810965948 A CN201810965948 A CN 201810965948A CN 108899234 B CN108899234 B CN 108899234B
- Authority
- CN
- China
- Prior art keywords
- piece
- direct current
- movable contacts
- current contactor
- conductive
- 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.)
- Active
Links
- 230000003068 static effect Effects 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The invention discloses a direct current contactor with a fusing protection function, which comprises a shell, two fixed contacts and two movable contacts, wherein the two movable contacts are electrically connected and respectively and correspondingly arranged with the two fixed contacts along the vertical direction in a opposite way, and the two movable contacts can be respectively and correspondingly communicated with or disconnected from the two fixed contacts; the fuse protection assembly comprises a first component and a second component, wherein the first component is provided with a first conductive part which is positioned and sleeved on a static contact, a first wiring part used as an electric input end and a fuse link connected between the first conductive part and the first wiring part, and the second component is provided with a second conductive part which is positioned and sleeved on another static contact and a second wiring part which is connected with the second conductive part and used as an electric output end. The direct current contactor has the advantages of functional integration, high operation safety, installation space saving and the like.
Description
Technical Field
The invention relates to the technical field of direct current contactors, and particularly provides a direct current contactor with a fusing protection function.
Background
At present, the direct current contactor and the fuse are independently configured in the application process, but the direct current contactor and the fuse occupy larger installation space, the matching degree requirement between the direct current contactor and the fuse is very high, and the operation safety of the whole application system is affected if the matching degree between the direct current contactor and the fuse is not good.
In view of this, the present invention has been made.
Disclosure of Invention
In order to overcome the defects, the invention provides the direct current contactor with the fusing protection function, which has the advantages of integrated functions, high operation safety, installation space saving and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the direct current contactor with the fusing protection function comprises a shell, two fixed contacts which are arranged in the shell in a side-by-side and respectively positioned mode, and two movable contacts which are arranged in the shell in a side-by-side and respectively movable mode, wherein the two movable contacts are electrically connected, the two movable contacts are respectively and correspondingly arranged with the two fixed contacts in a vertically opposite mode, the two movable contacts can be respectively and correspondingly communicated with the two fixed contacts, or the two movable contacts can be respectively and correspondingly disconnected with the two fixed contacts; the fuse protection assembly is characterized in that a fuse protection assembly capable of protecting the direct current contactor is further arranged in the shell, the fuse protection assembly comprises a first component and a second component, the first component is provided with a first conductive part which is sleeved on the fixed contact, a first wiring part serving as an electric input end, and a fuse body connected between the first conductive part and the first wiring part, and the second component is provided with a second conductive part which is sleeved on the other fixed contact, and a second wiring part which is connected with the second conductive part and serves as an electric output end.
As a further improvement of the invention, the two movable contacts are respectively and correspondingly positioned below the two stationary contacts;
The first conductive piece and the second conductive piece are respectively connected to the inner wall of the top of the shell in a positioning mode, and a sleeving hole for being tightly sleeved on the fixed contact is formed in each of the first conductive piece and the second conductive piece.
As a further improvement of the present invention, the first wiring member has a first base positioned inside the housing and serving as an electrical input wiring terminal, and a first receiving piece integrally connected to the first base;
the fuse link is riveted or spot welded between the first bearing piece and the first conductive piece.
As a further improvement of the present invention, the second wiring member has a second base positioned inside the housing and serving as an electric output wiring terminal, a second receiving piece positioned and connected to the second base, and a connecting post positioned and connected to the second receiving piece, and the connecting post is also positioned and connected with the second conductive member.
As a further improvement of the present invention, the second conductive member, the connection post, the second receiving piece, and the second base are integrally connected.
As a further improvement of the invention, the first bearing piece and the second bearing piece are respectively and correspondingly positioned below the two movable contacts.
The beneficial effects of the invention are as follows: ① By configuring the fusing protection component, the direct current contactor has the characteristics of bearing and switching on/off load and has the short circuit (fusing) protection function, so that the function integration is realized, the running safety of the direct current contactor and even the whole application system is well improved, and the normal running of the application system is ensured. ② The invention designs the fusing protection component and the direct current contactor into a whole, thus not only saving the installation space, but also effectively avoiding the requirement of high matching degree between the contactor and the fuse in the prior art and well simplifying the design requirement of an application system.
Drawings
Fig. 1 is a schematic cross-sectional structure of the dc contactor of the present invention when two movable contacts are respectively connected to two stationary contacts;
FIG. 2 is a schematic view of an assembled structure of the two movable contacts, the two stationary contacts, and the fuse protection assembly shown in FIG. 1 when assembled together;
fig. 3 is a schematic cross-sectional structure of the dc contactor according to the present invention when two of the movable contacts are respectively disconnected from two of the stationary contacts;
FIG. 4 is a schematic view of an assembled structure of the two movable contacts, the two stationary contacts, and the fuse protection assembly shown in FIG. 3 when assembled together;
FIG. 5 is a schematic view of the structure of the first member according to the present invention;
fig. 6 is a schematic structural view of the second member according to the present invention.
The following description is made with reference to the accompanying drawings:
1-housing 2-stationary contact
3-Moving contact 4-fusing protection component
410-First conductive member 411-first wiring member
412-Fuse body 4110-first base
4111 First contact 420 second conductive member
421-Second wire member 4210-second base
4211-Second support piece 4212-connecting column
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, fig. 2, fig. 3 and fig. 4, a schematic cross-sectional structure of the dc contactor of the present invention and a schematic assembly structure of the two movable contacts, the two stationary contacts and the fuse protection assembly when the two movable contacts are connected to or disconnected from the two stationary contacts respectively are assembled together.
The direct current contactor comprises a shell 1, two fixed contacts 2 which are arranged in the shell 1 in a side-by-side and respectively positioned mode, and two movable contacts 3 which are arranged in the shell 1 in a side-by-side and respectively movable mode, wherein the two movable contacts 3 are electrically connected, the two movable contacts 3 are respectively and correspondingly arranged with the two fixed contacts 2 in a vertically opposite mode, the two movable contacts 3 can be respectively and correspondingly communicated with the two fixed contacts 2, or the two movable contacts 3 can be respectively and correspondingly disconnected with the two fixed contacts 2; in particular, a fuse protection assembly 4 capable of protecting a dc contactor is further disposed in the housing 1, and the fuse protection assembly 4 includes a first member and a second member, wherein the first member has a first conductive member 410 positioned to be sleeved on one of the stationary contacts 2, a first connection member 411 serving as an electrical input terminal, and a fuse link 412 connected between the first conductive member 410 and the first connection member 411, and the second member has a second conductive member 420 positioned to be sleeved on the other stationary contact 2, and a second connection member 421 connected to the second conductive member 420 and serving as an electrical output terminal.
In this embodiment, preferably, the two movable contacts 3 are respectively located below the two stationary contacts 2;
the first conductive member 410 and the second conductive member 420 are respectively positioned and connected to the top inner wall of the housing 1, and a socket hole for tightly sleeving the stationary contact 2 is respectively formed in the first conductive member 410 and the second conductive member 420.
In this embodiment, as shown in fig. 5, the first connector 411 has a first base 4110 positioned in the housing 1 and used as an electrical input terminal, and a first receiving piece 4111 integrally connected to the first base 4110; the fuse link 412 is riveted or spot-welded between the first socket tab 4111 and the first conductive member 410.
Preferably, referring specifically to fig. 6, the second wire connecting member 421 has a second base 4210 positioned in the housing 1 and used as an electrical output terminal, a second receiving plate 4211 positioned on the second base 4210, and a connecting post 4212 positioned on the second receiving plate 4211, and the connecting post 4212 is also positioned and connected with the second conductive member 420.
Further preferably, the second conductive member 420, the connection post 4212, the second receiving piece 4211, and the second base 4210 are integrally connected.
Further preferably, the first receiving piece 4111 and the second receiving piece 4211 are respectively located below the two movable contacts 3.
In summary, by configuring the fusing protection assembly, the direct current contactor has the characteristics of bearing and switching on/off load and has the short circuit (fusing) protection function, so that the function integration is realized, the running safety of the direct current contactor and even the whole application system is well improved, and the normal running of the application system is ensured. In addition, the fusing protection component and the direct current contactor are designed into a whole, so that the installation space is saved, the requirement of high matching degree between the contactor and the fuse in the prior art is effectively avoided, and the design requirement of an application system is well simplified.
The above description is only of the preferred embodiments of the present invention, but not intended to limit the invention, and it should be noted that it is possible for a person skilled in the art to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should be considered as being within the scope of the present invention.
Claims (6)
1. The direct current contactor with the fusing protection function comprises a shell (1), two fixed contacts (2) which are arranged in the shell (1) in parallel and respectively positioned, and two movable contacts (3) which are arranged in the shell (1) in parallel and respectively movably, wherein the two movable contacts (3) are electrically connected, the two movable contacts (3) are respectively and correspondingly arranged with the two fixed contacts (2) along the vertical direction, the two movable contacts (3) can be respectively and correspondingly communicated with the two fixed contacts (2), or the two movable contacts (3) can be respectively and correspondingly disconnected with the two fixed contacts (2); the method is characterized in that: a fuse protection assembly (4) capable of protecting the direct current contactor is further arranged in the shell (1), the fuse protection assembly (4) comprises a first component and a second component, wherein the first component is provided with a first conductive piece (410) which is sleeved on one static contact (2), a first wiring piece (411) serving as an electric input end and a fuse body (412) connected between the first conductive piece (410) and the first wiring piece (411), and the second component is provided with a second conductive piece (420) which is sleeved on the other static contact (2) and a second wiring piece (421) which is connected with the second conductive piece (420) and serves as an electric output end.
2. The direct current contactor with a fuse protection function according to claim 1, wherein: the two movable contacts (3) are respectively and correspondingly positioned below the two fixed contacts (2);
The first conductive piece (410) and the second conductive piece (420) are respectively connected to the top inner wall of the shell (1) in a positioning mode, and a sleeving hole for being tightly sleeved on the fixed contact (2) is formed in each of the first conductive piece (410) and the second conductive piece (420).
3. The direct current contactor with a fuse protection function according to claim 2, wherein: the first connector (411) is provided with a first base (4110) which is positioned in the shell (1) and is used as an electric input connecting terminal, and a first bearing sheet (4111) which is integrally connected to the first base (4110);
The fuse link (412) is riveted or spot welded between the first carrier piece (4111) and the first conductive member (410).
4. A direct current contactor with a fuse protection function according to claim 3, wherein: the second wiring member (421) has a second base (4210) positioned in the housing (1) and serving as an electric output wiring terminal, a second receiving piece (4211) positioned and connected to the second base (4210), and a connection post (4212) positioned and connected to the second receiving piece (4211), and the connection post (4212) is also positioned and connected to the second conductive member (420).
5. The direct current contactor with a fuse protection function according to claim 4, wherein: the second conductive member (420), the connecting post (4212), the second receiving piece (4211) and the second base (4210) are integrally connected.
6. The direct current contactor with a fuse protection function according to claim 4, wherein: the first bearing piece (4111) and the second bearing piece (4211) are respectively and correspondingly positioned below the two movable contacts (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965948.9A CN108899234B (en) | 2018-08-23 | DC contactor with fusing protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965948.9A CN108899234B (en) | 2018-08-23 | DC contactor with fusing protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108899234A CN108899234A (en) | 2018-11-27 |
| CN108899234B true CN108899234B (en) | 2024-06-04 |
Family
ID=
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403239A (en) * | 1965-05-24 | 1968-09-24 | Square D Co | Electromagnetically-operated air-break, clapper-type high-voltage contactor |
| JP2011023298A (en) * | 2009-07-17 | 2011-02-03 | Fuji Electric Fa Components & Systems Co Ltd | Fuse blowout display device |
| JP2011228027A (en) * | 2010-04-16 | 2011-11-10 | Yazaki Corp | Intermittent mechanism of dark current fuse |
| JP2014232669A (en) * | 2013-05-29 | 2014-12-11 | パナソニック株式会社 | Contact device |
| CN206727022U (en) * | 2017-04-19 | 2017-12-08 | 北汽福田汽车股份有限公司 | Contactor, electric motor of automobile drive system and vehicle |
| CN207233657U (en) * | 2017-07-21 | 2018-04-13 | 深圳市沃特玛电池有限公司 | A kind of combined type fusing contactor |
| CN207517612U (en) * | 2017-07-18 | 2018-06-19 | 天津东亚联创新能源科技有限公司 | A kind of multi-functional contactor |
| CN208706477U (en) * | 2018-08-23 | 2019-04-05 | 昆山国力源通新能源科技有限公司 | D.C. contactor with fuse protection function |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403239A (en) * | 1965-05-24 | 1968-09-24 | Square D Co | Electromagnetically-operated air-break, clapper-type high-voltage contactor |
| JP2011023298A (en) * | 2009-07-17 | 2011-02-03 | Fuji Electric Fa Components & Systems Co Ltd | Fuse blowout display device |
| JP2011228027A (en) * | 2010-04-16 | 2011-11-10 | Yazaki Corp | Intermittent mechanism of dark current fuse |
| JP2014232669A (en) * | 2013-05-29 | 2014-12-11 | パナソニック株式会社 | Contact device |
| CN206727022U (en) * | 2017-04-19 | 2017-12-08 | 北汽福田汽车股份有限公司 | Contactor, electric motor of automobile drive system and vehicle |
| CN207517612U (en) * | 2017-07-18 | 2018-06-19 | 天津东亚联创新能源科技有限公司 | A kind of multi-functional contactor |
| CN207233657U (en) * | 2017-07-21 | 2018-04-13 | 深圳市沃特玛电池有限公司 | A kind of combined type fusing contactor |
| CN208706477U (en) * | 2018-08-23 | 2019-04-05 | 昆山国力源通新能源科技有限公司 | D.C. contactor with fuse protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11581669B2 (en) | Multifunctional high-voltage connector and battery product | |
| CN107710448B (en) | Battery pack | |
| EP3611802B1 (en) | Multifunctional high-voltage connector and battery product | |
| EP3611751A1 (en) | Conductive connection structure, multifunctional high-voltage connector and battery product | |
| JP5306513B1 (en) | relay | |
| CN108899234B (en) | DC contactor with fusing protection function | |
| US20180034207A1 (en) | Plug Connection for Coupling High-Voltage Terminals and a System with Such a Plug Connection | |
| WO2020080584A1 (en) | Thermal pellet type thermal fuse | |
| JP2023533074A (en) | Electrical boxes, batteries and power consumers | |
| CN208706477U (en) | D.C. contactor with fuse protection function | |
| CN101612922B (en) | Automotive relay system | |
| KR200248172Y1 (en) | Terminal fixing structure of mobile phone charger | |
| CN219204459U (en) | Photovoltaic junction box assembly | |
| CN219457512U (en) | Frame circuit breaker contact structure and frame circuit breaker | |
| CN220692459U (en) | Configurable quick-plug type direct-current charging socket | |
| CN217062727U (en) | Relay socket with arc extinguishing effect | |
| CN217936183U (en) | Electric appliance box | |
| CN109792032A (en) | Secondary cell | |
| CN213242915U (en) | Separated socket | |
| CN220963190U (en) | Circuit breaker | |
| CN210576880U (en) | Three-in-one socket | |
| CN108899234A (en) | D.C. contactor with fuse protection function | |
| CN218333676U (en) | Battery pack maintenance switch with absorption circuit | |
| CN219873338U (en) | High-voltage direct-current contactor | |
| CN220604592U (en) | Feedback structure of circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |