CN203799948U - Low-voltage vacuum energy-saving normally-open DC contactor - Google Patents
Low-voltage vacuum energy-saving normally-open DC contactor Download PDFInfo
- Publication number
- CN203799948U CN203799948U CN201320739231.5U CN201320739231U CN203799948U CN 203799948 U CN203799948 U CN 203799948U CN 201320739231 U CN201320739231 U CN 201320739231U CN 203799948 U CN203799948 U CN 203799948U
- Authority
- CN
- China
- Prior art keywords
- coil
- iron core
- contactor
- contact
- main
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 55
- 230000003068 static effect Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 238000004134 energy conservation Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
Landscapes
- Contacts (AREA)
Abstract
The utility model provides a low-voltage vacuum energy-saving normally-open DC contactor which comprises main contact binding posts (15), main fixed contacts (13), main movable contacts (12), a movable iron core (1), a fixed iron core (8), a contactor body (16) and springs, and further comprises outer-layer maintaining attraction coils (6), inner-layer starting coils (5), coil movable contacts (4) and coil fixed contacts (3). The main movable contacts (12) are arranged below the main fixed contacts (13). The springs maintain the disconnected states of the main fixed contacts (13) and the main movable contacts (12). The coil movable contacts (4) and the coil fixed contacts (3) are arranged at the lower end of the inner-layer starting coils (5). When the low-voltage vacuum energy-saving normally-open DC contactor is started, current directly enables the movable iron core (1) and the fixed iron core (8) to be attracted through the inner-layer starting coils (5), the coil movable contacts (4) and the coil fixed contacts (3) are disconnected through screws (2), and an upper cavity and a lower cavity are both vacuum space. According to the low-voltage vacuum energy-saving normally-open DC contactor, the current is reduced, electric energy consumption is decreased, the temperature rising of the contactor is reduced, oxidation and burning loss caused by electric arcs to the contacts are reduced, and the service lives of the contacts are prolonged.
Description
Technical field
The utility model relates to the energy-conservation D.C. contactor of a kind of D.C. contactor, particularly low-voltage vacuum.
Background technology
The effect of D.C. contactor is by DC power supply, as storage battery, with DC load, as direct current machine, disconnects having electric in the situation that, and be a kind of product of maturation.But when existing D.C. contactor work, coil current maintains large electric current required while startup always, causes power consumption large, and temperature rise, can not adapt to temperature rise to require strict workplace.
Summary of the invention
Technical problem to be solved:
When D.C. contactor work, coil current is large, temperature rise.When open circuit, reduce the electric current by load.
Technical scheme:
In order to realize above function, the utility model provides a kind of low-voltage vacuum the energy-conservation D.C. contactor of often opening, and comprises main contacts binding post 15, and main contacts binding post 15 bottoms are provided with main fixed contact 13, main fixed contact 13 belows are active contact 12, and moving contact 12 is separately positioned on the left and right sides of push rod; Push rod connects moving iron core 1 and static iron core 8 from top to bottom successively, moving iron core 1 upper end is fixed in the middle of the fixed head 10 of horizontal positioned, moving iron core 1 and static iron core 8 are outside equipped with coil rack 9, and internal layer actuating coil 5 is wrapped on coil rack 9, and coil rack 9 tops are fixed head 10;
Described fixed head 10 forms lower chamber with coil housing 7, and the structure that push rod, moving iron core 1, static iron core 8, coil rack 9 and internal layer actuating coil 5 form is placed in described lower chamber;
Described fixed head 10 forms upper cavity with contactor main body 16, and main contacts binding post 15, main fixed contact 13 are placed in described upper cavity with the structure that initiatively contact 12 forms;
It is characterized in that: also comprise spring, one of spring is arranged on the middle groove of contactor main body 16 vertical directions, and other end is connected with the top of push rod, and when power-off, spring maintains main fixed contact 13, active contact 12 off-states;
Also comprise that skin maintains pull-in winding 6, described internal layer actuating coil 5 is in skin maintains pull-in winding 6, and both are in the same direction on coil rack 9; The lower end of described internal layer actuating coil 5 is provided with coil moving contact 4 and coil fixed contact 3, and internal layer actuating coil 5 and skin maintain pull-in winding 6 and coil fixed contact 3 coil moving contacts 4 are connected; When startup, electric current directly makes iron core 1 and static iron core 8 adhesives by internal layer actuating coil 5, after moving iron core 1 and static iron core 8 adhesives, by the screw 2 connecting with moving iron core 1, coil moving contact 4 and coil fixed contact 3 are disconnected, electric current maintains by internal layer actuating coil 5 and the outer pull-in winding 6 that maintains of series connection the adhesive of moving iron core 1 and static iron core 8;
Described upper cavity and lower chamber are vacuum space.
The part contacting between described fixed head 10, main contacts binding post 15 and contactor main body 16 is respectively equipped with seal member.
Described seal member is rubber seal.
Seal member is added with fluid sealant outward.
Beneficial effect:
In the blink of the D.C. contactor that the utility model provides after startup, coil moving contact 2 and coil fixed contact 3 are disconnected, reduced the electric current by maintaining moving iron core 1 and static iron core 8, saved power consumption, reduced contactor temperature rise.
Contact space keeps vacuum state, make contacting and disconnect with the vacuum of atmospheric isolation in carry out, oxidation and the scaling loss of the electric arc having produced while having reduced due to the closing of contact to contact, has extended useful life of contact.
Brief description of the drawings
Fig. 1 is the main pseudosection of the utility model.
Fig. 2 is the left pseudosection of the utility model.
Fig. 3 is the utility model vertical view.
Fig. 4 is that the utility model vacuumizes thin copper pipe and sealing cap and contactor main body part sectioned view.
Fig. 5 is the utility model actuating coil, maintains pull-in winding and coil contact winding diagram.
In figure, 1-moves iron core, 2-screw, 3-coil fixed contact, 4-coil moving contact, 5-internal layer actuating coil, 6-skin maintains pull-in winding, 7-coil housing, 8-static iron core, 9-coil rack, 10-fixed head, 11-sealing rubber pad, 12-is contact initiatively, the main fixed contact of 13-, 15-main contacts binding post, 16-contactor main body, 17-coil power connector, 18-sealing cap, the thin copper pipe of 19-.
Embodiment
Below in conjunction with accompanying drawing, utility model is further described:
Fig. 1 is schematic diagram of the present utility model
The energy-conservation D.C. contactor of often opening of a kind of low-voltage vacuum, comprises main contacts binding post 15, and main contacts binding post 15 bottoms are provided with main fixed contact 13, and main fixed contact 13 belows are active contact 12, and moving contact 12 is separately positioned on the left and right sides of push rod; Push rod connects moving iron core 1 and static iron core 8 from top to bottom successively, moving iron core 1 upper end is fixed in the middle of the fixed head 10 of horizontal positioned, moving iron core 1 and static iron core 8 are outside equipped with coil rack 9, and internal layer actuating coil 5 is wrapped on coil rack 9, and coil rack 9 tops are fixed head 10;
Described fixed head 10 forms lower chamber with coil housing 7, and the structure that push rod, moving iron core 1, static iron core 8, coil rack 9 and internal layer actuating coil 5 form is placed in described lower chamber;
Described fixed head 10 forms upper cavity with contactor main body 16, and main contacts binding post 15, main fixed contact 13 are placed in described upper cavity with the structure that initiatively contact 12 forms;
It is characterized in that: also comprise spring, one of spring is arranged on the middle groove of contactor main body 16 vertical directions, and other end is connected with the top of push rod, and when power-off, spring maintains main fixed contact 13, active contact 12 off-states;
Also comprise that skin maintains pull-in winding 6, described internal layer actuating coil 5 is in skin maintains pull-in winding 6, and both are in the same direction on coil rack 9; The lower end of described internal layer actuating coil 5 is provided with coil moving contact 4 and coil fixed contact 3, and internal layer actuating coil 5 and skin maintain pull-in winding 6 and coil fixed contact 3 coil moving contacts 4 are connected; When startup, electric current directly makes iron core 1 and static iron core 8 adhesives by internal layer actuating coil 5, after moving iron core 1 and static iron core 8 adhesives, by the screw 2 connecting with moving iron core 1, coil moving contact 4 and coil fixed contact 3 are disconnected, electric current maintains by internal layer actuating coil 5 and the outer pull-in winding 6 that maintains of series connection the adhesive of moving iron core 1 and static iron core 8;
Described upper cavity and lower chamber are vacuum space.
As shown in Fig. 1 Fig. 2 Fig. 3, structurally different with the D.C. contactor of prior art is that internal layer actuating coil 5 and skin maintain pull-in winding 6, and makes skin maintain coil fixed contact 3, the coil moving contact 4 of pull-in winding 6 short circuits.After moving iron core 1 and static iron core 8 adhesives, by the screw 2 connecting with moving iron core 1, coil moving contact 4 and coil fixed contact 3 are disconnected, make to maintain pull-in winding 6 operating currents minimizings by internal layer actuating coil 5 and the skin of series connection, reduced power consumption, save the energy, reduced temperature rise.
The acting as of seal member make coil housing 7 and internal layer actuating coil 5 and outerly maintain pull-in winding 6 and coil fixed contact 3 moving contacts 4, moving iron core 1, static iron core 8, fixed head 10, space that initiatively contact 12, main fixed contact 13, main contacts binding post 15 and contactor main body 16 form seals completely, then extract the air of contact space by thin copper pipe 19 with vacuum pump, after extracting air completes, cut off and use sealing cap 18 and seal member to seal with special vice flat thin copper pipe folder, making contact space is vacuum.Contact space keeps vacuum state, make contacting and disconnect with the vacuum of atmospheric isolation in carry out, oxidation and the scaling loss of the electric arc that has reduced generation while disconnection due to contact to contact, has extended useful life of contact.
For the effect of good sealing, seal member adopts rubber parts.Outside adds fluid sealant better effects if.
Claims (4)
1. the energy-conservation D.C. contactor of often opening of low-voltage vacuum, comprise main contacts binding post (15), main contacts binding post (15) bottom is provided with main fixed contact (13), and main fixed contact (13) below is active contact (12), and moving contact (12) is separately positioned on the left and right sides of push rod; Push rod connects moving iron core (1) and static iron core (8) from top to bottom successively, moving iron core (1) upper end is fixed in the middle of the fixed head (10) of horizontal positioned, moving iron core (1) and static iron core (8) are outside equipped with coil rack (9), it is upper that internal layer actuating coil (5) is wrapped in coil rack (9), and coil rack (9) top is fixed head (10);
Described fixed head (10) forms lower chamber with coil housing (7), and the structure that push rod, moving iron core (1), static iron core (8), coil rack (9) and internal layer actuating coil (5) form is placed in described lower chamber;
Described fixed head (10) forms upper cavity with contactor main body (16), and main contacts binding post (15), main fixed contact (13) are placed in described upper cavity with the structure that initiatively contact (12) form;
It is characterized in that: also comprise spring, one of spring is arranged on the middle groove of contactor main body (16) vertical direction, and other end is connected with the top of push rod, when power-off, spring maintains main fixed contact (13), active contact (12) off-state;
Also comprise that skin maintains pull-in winding (6), described internal layer actuating coil (5) is in skin maintains pull-in winding (6), and both are in the same direction on coil rack (9); The lower end of described internal layer actuating coil (5) is provided with coil moving contact (4) and coil fixed contact (3), and internal layer actuating coil (5) and skin maintain pull-in winding (6) and coil fixed contact (3) coil moving contact (4) series connection; When startup, electric current directly makes iron core (1) and static iron core (8) adhesive by internal layer actuating coil (5), after moving iron core (1) and static iron core (8) adhesive, by the screw (2) connecting with moving iron core (1), coil moving contact (4) and coil fixed contact (3) are disconnected, the internal layer actuating coil (5) of electric current by series connection and skin maintain pull-in winding (6) and maintain the adhesive of moving iron core (1) and static iron core (8);
Described upper cavity and lower chamber are vacuum space.
2. the energy-conservation D.C. contactor of often opening of a kind of low-voltage vacuum according to claim 1, is characterized in that: the part contacting between described fixed head (10), main contacts binding post (15) and contactor main body (16) is respectively equipped with seal member.
3. the energy-conservation D.C. contactor of often opening of a kind of low-voltage vacuum according to claim 2, is characterized in that: described seal member is rubber seal.
4. according to the energy-conservation D.C. contactor of often opening of a kind of low-voltage vacuum described in claim 2 or 3, it is characterized in that: seal member is added with fluid sealant outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739231.5U CN203799948U (en) | 2013-11-20 | 2013-11-20 | Low-voltage vacuum energy-saving normally-open DC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739231.5U CN203799948U (en) | 2013-11-20 | 2013-11-20 | Low-voltage vacuum energy-saving normally-open DC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799948U true CN203799948U (en) | 2014-08-27 |
Family
ID=51382143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739231.5U Expired - Fee Related CN203799948U (en) | 2013-11-20 | 2013-11-20 | Low-voltage vacuum energy-saving normally-open DC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713058A (en) * | 2020-12-18 | 2021-04-27 | 中车永济电机有限公司 | Main contactor for converter |
-
2013
- 2013-11-20 CN CN201320739231.5U patent/CN203799948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713058A (en) * | 2020-12-18 | 2021-04-27 | 中车永济电机有限公司 | Main contactor for converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203644673U (en) | Low-voltage vacuum normally-closed direct-current contactor | |
| CN203588940U (en) | Sealed type DC contactor | |
| CN106531563B (en) | Magnetic keeps energy-saving high-voltage direct-current contactor | |
| CN103594279A (en) | Low-voltage vacuum energy-saving normally-open direct-current contactor | |
| CN112927996A (en) | Power supply device capable of saving electric power and preventing current from being overlarge | |
| CN203799948U (en) | Low-voltage vacuum energy-saving normally-open DC contactor | |
| CN202839451U (en) | Vacuum arc extinguish chamber | |
| CN101840817B (en) | Bistable state magnetic latching contactor for power supply switch of electric tricycle | |
| CN201616309U (en) | Capacitive induction-type magnetic latching electromagnetic apparatus | |
| CN201629270U (en) | Bi-stable magnetic latching contactor for electro-tricycle power switch | |
| CN204270988U (en) | Mechanical Latching AC Contactor | |
| CN202513095U (en) | Energy saving ac contactor | |
| CN206349309U (en) | Magnetic keeps energy-saving high-voltage direct-current contactor | |
| CN204809158U (en) | Bridge type double break point DC electromagnetic contactor | |
| CN203733721U (en) | Electromagnetic suction mechanism for control and protection switch | |
| CN202585232U (en) | Permanent magnet alternating current vacuum contactor | |
| CN105551893A (en) | Electromagnetic mechanism of direct current contactor | |
| CN202749792U (en) | Automobile power switch | |
| CN202585233U (en) | Low-voltage vacuum direct-current contactor | |
| CN203787357U (en) | DC (direct current) contactor | |
| CN203288516U (en) | High-withstand-voltage relay with completely separated input and output parts | |
| CN204029716U (en) | A kind of contactor had from on-off function | |
| CN203118877U (en) | Contactor | |
| CN206864405U (en) | A kind of high-voltage DC contactor | |
| CN202839450U (en) | Vacuum arc extinguishing chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |