CN104091727A - Auxiliary contact for DC contactor - Google Patents
Auxiliary contact for DC contactor Download PDFInfo
- Publication number
- CN104091727A CN104091727A CN201410340161.5A CN201410340161A CN104091727A CN 104091727 A CN104091727 A CN 104091727A CN 201410340161 A CN201410340161 A CN 201410340161A CN 104091727 A CN104091727 A CN 104091727A
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- pure iron
- iron sheet
- transmission shaft
- auxiliary contact
- power transmission
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses an auxiliary contact for a DC contactor. The auxiliary contact for the DC contactor comprises an auxiliary contact body. The auxiliary contact body comprises a reed switch, a permanent magnet, a first pure iron sheet and a second pure iron sheet. The first pure iron sheet and the second pure iron sheet are symmetrically arranged under a transmission shaft, and a gap is reserved between the first pure iron sheet and the second pure iron sheet. The permanent magnet is fixed on the second pure iron sheet, the transmission shaft moves downwards to the lowermost portion, and accordingly the transmission shaft can abut against the permanent magnet when a dynamic contact and a static contact are in a disconnected state. The reed switch is arranged on one side edge of the first pure iron sheet and one side edge of the second pure iron sheet. A pure iron part is further arranged on one circle of the periphery of a movable iron core in a sleeved mode, the upper end of the pure iron part extends to the outer side of the movable iron core, and the lower end of the pure iron part extends to the first pure iron sheet and the second pure iron sheet. According to the auxiliary contact for the DC contactor, the magnetic field principle is adopted, so that there is no need to lead out a terminal from the inside of a product, the internal structure and the assembling process of the product are greatly simplified, and the cost is lowered correspondingly.
Description
Technical field
The present invention relates to a kind of D.C. contactor, relate in particular to a kind of D.C. contactor auxiliary contact.
Background technology
At present, on market, existing seal DC contactor is with auxiliary contact, and the disconnection of auxiliary contact or closure and main contacts are consistent, and for judging the state of main contacts, main contacts is to disconnect or closure.These existing auxiliary contact adopt the sound contact chip that auxiliary contact are set at interiors of products, in the time that mechanism's part of main contacts is moved, drive the action of auxiliary contact moving contacting plate simultaneously, thereby the state of auxiliary contact and main contacts is consistent.But the complex structure of this auxiliary contact, the design to product, part processing, finished product assembling process are had relatively high expectations.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of D.C. contactor auxiliary contact, adopt magnetic field induction principle to make, need to be from interiors of products leading-out terminal, greatly simplify structural design and the product assembling product process of product.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of D.C. contactor auxiliary contact, the moving contact that comprises the main contacts for driving this D.C. contactor moves up and down so that the power transmission shaft that the fixed contact of itself and this main contacts switches on and off, and the auxiliary contact consistent with this main contacts motion state; The described power transmission shaft upper end described moving contact that is connected, lower end external stability is arranged with moving iron core; Described auxiliary contact comprise tongue tube, permanent magnet, the first pure iron sheet and the second pure iron sheet, and this first and second pure iron sheet is symmetricly set under described power transmission shaft, and have gap between this first and second pure iron sheet; This permanent magnet is fixed on the second pure iron sheet, even if described power transmission shaft moves downward when the described moving contact in below and fixed contact are off-state this power transmission shaft against this permanent magnet; This tongue tube is arranged at this first and second pure iron sheet one side; Enclose and be also arranged with pure iron part in the outer Monday of described moving iron core, this pure iron part upper end extends to described moving iron core outside, and this pure iron part lower end extends on described first and second pure iron sheet.
As a further improvement on the present invention, below described first and second pure iron sheet, be also respectively equipped with first and second working of plastics for supporting this first and second pure iron sheet.
As a further improvement on the present invention, described power transmission shaft movable upper end is sheathed in magnetic pole core, and the part of this power transmission shaft between this magnetic pole core and moving iron core is also provided with back-moving spring outward.
The invention has the beneficial effects as follows: these D.C. contactor auxiliary contact, adopt tongue tube, place a permanent magnet on tongue tube side, use pure iron sheet guiding magnetic circuit guiding, be installed to the main contacts mechanism annex of D.C. contactor according to pre-designed position, in the time of main contacts mechanism componental movement, the position of moving iron core can change, and then changing original magnetic circuit trend, the state of tongue tube changes thereupon, and then the state of instruction main contacts.These auxiliary contact utilize magnetic field principle, thereby need to be from interiors of products leading-out terminal, have greatly simplified internal structure and the assembling process of product, and cost is corresponding reduction also.
Brief description of the drawings
Fig. 1 is auxiliary contact structural representation of the present invention;
Fig. 2 is auxiliary contact installment state structural representation of the present invention;
Fig. 3 is off-state structural representation of the present invention;
Fig. 4 is closure state structural representation of the present invention;
Fig. 5 is off-state magnetic circuit status architecture schematic diagram of the present invention;
Fig. 6 is closure state magnetic circuit status architecture schematic diagram of the present invention.
By reference to the accompanying drawings, make the following instructions:
1---tongue tube 2---permanent magnet
3---first pure iron sheet 4---second pure iron sheet
5---pure iron part
7---first working of plastics 8---second working of plastics
101---fixed contact 102---moving contact
103---power transmission shafts 104---move iron core
105---magnetic pole core 106---back-moving spring
Embodiment
By reference to the accompanying drawings, the present invention is elaborated, but protection scope of the present invention is not limited to following embodiment, the simple equivalence of in every case being done with the present patent application the scope of the claims and description changes and modifies, within all still belonging to patent covering scope of the present invention.
As shown in Fig. 1-6, a kind of D.C. contactor auxiliary contact, the moving contact 102 that comprises the main contacts for driving this D.C. contactor moves up and down so that the power transmission shaft 103 that the fixed contact 101 of itself and this main contacts switches on and off, and the auxiliary contact consistent with this main contacts motion state; The power transmission shaft upper end moving contact that is connected, lower end external stability is arranged with moving iron core 104; Auxiliary contact comprise tongue tube 1, permanent magnet 2, the first pure iron sheet 3 and the second pure iron sheet 4, and this first and second pure iron sheet is symmetricly set under described power transmission shaft, and have gap between this first and second pure iron sheet; This permanent magnet is fixed on the second pure iron sheet, even if power transmission shaft moves downward when below moving contact and fixed contact are off-state this power transmission shaft against this permanent magnet; This tongue tube is arranged at this first and second pure iron sheet one side; Enclose and be also arranged with pure iron part 5 in the outer Monday of moving iron core, this pure iron part upper end extends to moving iron core outside, and this pure iron part lower end extends on first and second pure iron sheet.
Preferably, below first and second pure iron sheet, be also respectively equipped with first and second working of plastics 7,8 for supporting this first and second pure iron sheet.
Preferably, power transmission shaft movable upper end is sheathed in magnetic pole core 105, and the part of this power transmission shaft between this magnetic pole core and moving iron core is also provided with back-moving spring 106 outward.
Fig. 1 is auxiliary contact structural representation of the present invention, and it is by tongue tube, permanent magnet, and first and second pure iron sheet, and first and second working of plastics composition, permanent magnet is fixed on the second pure iron sheet, and its mounting means is as shown in Figure 2.As shown in Figure 3, under normal condition, main contacts disconnects, and moving iron core is near permanent magnet, and by the magnetic field short circuit of permanent magnet, magnetic field is without tongue tube (as shown in the direction of arrow in Fig. 5), and tongue tube disconnects.As shown in Figure 4, when product energising, moving iron core motion drives power transmission shaft to move upward, the moving contact of main contacts is contacted with fixed contact, i.e. main contacts closure, now, moving iron core is away from permanent magnet, and magnetic field, through tongue tube (as shown in the direction of arrow in Fig. 6), makes its closure.
Claims (3)
1. D.C. contactor auxiliary contact, the moving contact (102) that comprises the main contacts for driving this D.C. contactor moves up and down so that the power transmission shaft (103) that the fixed contact (101) of itself and this main contacts switches on and off, and the auxiliary contact consistent with this main contacts motion state; The described power transmission shaft upper end described moving contact that is connected, lower end external stability is arranged with moving iron core (104); It is characterized in that: described auxiliary contact comprise tongue tube (1), permanent magnet (2), the first pure iron sheet (3) and the second pure iron sheet (4), this first and second pure iron sheet is symmetricly set under described power transmission shaft, and has gap between this first and second pure iron sheet; This permanent magnet is fixed on the second pure iron sheet, even if described power transmission shaft moves downward when the described moving contact in below and fixed contact are off-state this power transmission shaft against this permanent magnet; This tongue tube is arranged at this first and second pure iron sheet one side; Enclose and be also arranged with pure iron part (5) in the outer Monday of described moving iron core, this pure iron part upper end extends to described moving iron core outside, and this pure iron part lower end extends on described first and second pure iron sheet.
2. D.C. contactor auxiliary contact according to claim 1, is characterized in that: below described first and second pure iron sheet, be also respectively equipped with first and second working of plastics (7,8) for supporting this first and second pure iron sheet.
3. D.C. contactor auxiliary contact according to claim 2, it is characterized in that: described power transmission shaft movable upper end is sheathed in magnetic pole core (105), the part of this power transmission shaft between this magnetic pole core and moving iron core is also provided with back-moving spring (106) outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340161.5A CN104091727B (en) | 2014-07-17 | 2014-07-17 | D.C. contactor auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340161.5A CN104091727B (en) | 2014-07-17 | 2014-07-17 | D.C. contactor auxiliary contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104091727A true CN104091727A (en) | 2014-10-08 |
| CN104091727B CN104091727B (en) | 2016-08-17 |
Family
ID=51639434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410340161.5A Active CN104091727B (en) | 2014-07-17 | 2014-07-17 | D.C. contactor auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104091727B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601553A (en) * | 2017-01-09 | 2017-04-26 | 上海西艾爱电子有限公司 | DC contactor |
| CN106710969A (en) * | 2017-02-09 | 2017-05-24 | 苏州安来强电子科技有限公司 | Sealing type contactor with arcing angle |
| CN110033995A (en) * | 2019-03-19 | 2019-07-19 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay being able to detect main contacts action state |
| CN113948338A (en) * | 2021-08-30 | 2022-01-18 | 上海西艾爱电子有限公司 | Auxiliary switch device of ceramic direct current contactor and contactor |
| CN114695021A (en) * | 2022-04-06 | 2022-07-01 | 浙江英洛华新能源科技有限公司 | Relay with main contact working state detection function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203659U (en) * | 1987-03-19 | 1988-05-18 | 红山机电研究所 | Mechanical switch complementary device |
| JP2005203160A (en) * | 2004-01-14 | 2005-07-28 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic switching device |
| CN102881519A (en) * | 2011-07-14 | 2013-01-16 | 富士电机机器制御株式会社 | Auxiliary contactj unit for electromagnetic contactor |
| CN204011293U (en) * | 2014-07-17 | 2014-12-10 | 昆山国力真空电器有限公司 | D.C. contactor auxiliary contact |
-
2014
- 2014-07-17 CN CN201410340161.5A patent/CN104091727B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203659U (en) * | 1987-03-19 | 1988-05-18 | 红山机电研究所 | Mechanical switch complementary device |
| JP2005203160A (en) * | 2004-01-14 | 2005-07-28 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic switching device |
| CN102881519A (en) * | 2011-07-14 | 2013-01-16 | 富士电机机器制御株式会社 | Auxiliary contactj unit for electromagnetic contactor |
| CN204011293U (en) * | 2014-07-17 | 2014-12-10 | 昆山国力真空电器有限公司 | D.C. contactor auxiliary contact |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601553A (en) * | 2017-01-09 | 2017-04-26 | 上海西艾爱电子有限公司 | DC contactor |
| CN106710969A (en) * | 2017-02-09 | 2017-05-24 | 苏州安来强电子科技有限公司 | Sealing type contactor with arcing angle |
| CN110033995A (en) * | 2019-03-19 | 2019-07-19 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay being able to detect main contacts action state |
| CN113948338A (en) * | 2021-08-30 | 2022-01-18 | 上海西艾爱电子有限公司 | Auxiliary switch device of ceramic direct current contactor and contactor |
| CN113948338B (en) * | 2021-08-30 | 2024-02-09 | 上海西艾爱电子有限公司 | Auxiliary switching device of ceramic direct-current contactor and contactor |
| CN114695021A (en) * | 2022-04-06 | 2022-07-01 | 浙江英洛华新能源科技有限公司 | Relay with main contact working state detection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104091727B (en) | 2016-08-17 |
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Effective date of registration: 20170206 Address after: Kunshan City, Suzhou City Shueisiou road 215300 Jiangsu province No. 1418 room 4 Patentee after: KUNSHAN GUOLI YUANTONG NEW ENERGY TECHNOLOGY CO., LTD. Address before: 215301 Kunshan, Jiangsu Development Zone, the Yangtze River Road, No. 179, No. Patentee before: Kunshan Guoli Vacuum Electric Co., Ltd. |
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| TR01 | Transfer of patent right |