CN106531563A - Magnetic latching energy-saving high-voltage DC contactor - Google Patents
Magnetic latching energy-saving high-voltage DC contactor Download PDFInfo
- Publication number
- CN106531563A CN106531563A CN201710004190.8A CN201710004190A CN106531563A CN 106531563 A CN106531563 A CN 106531563A CN 201710004190 A CN201710004190 A CN 201710004190A CN 106531563 A CN106531563 A CN 106531563A
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- Prior art keywords
- magnetic
- spring
- arc
- magnetic pole
- core
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a magnetic latching energy-saving high-voltage DC contactor, which comprises a magnetic shell with an opening in the upper end, and an insulating cover, wherein the insulating cover is hermetically fixed to the opening in the upper end; an arc extinguishing cover is arranged at the upper part of a sealed space formed by the magnetic shell and the insulating cover to form an arc extinguishing chamber, and a coil winding and an iron core are arranged at the lower part; a pair of main fixed contacts, a movable contact plate for forming two main movable contacts and a drive core bar for driving the movable contact plate to move up and down to open and close the pair of main fixed contacts are arranged in the arc extinguishing chamber; the inner side of the magnetic shell is provided with an annular first permanent magnet between the bottom of the arc extinguishing cover and the upper end surface of the coil winding; a magnetic pole piece is arranged between the first permanent magnet and the drive core bar; magnetic pole cores are arranged in an upper space between the coil winding and the iron core; and the upper ends of the magnetic pole cores are connected with the magnetic pole piece. The magnetic latching energy-saving high-voltage DC contactor is energy-saving, the temperature of the high-voltage DC contactor is greatly reduced, the reliability of a product is improved and the environment temperature application range of the product is expanded.
Description
Technical field
A kind of a kind of the present invention relates to high-voltage DC contactor, more particularly to magnetic holding energy-saving high-voltage direct-current catalyst.
Background technology
At present, it is adopted as the D.C. contactor structure on market more：Including seal casinghousing and it is installed in seal casinghousing
Two stationary contacts, moving contacting plate and drive mechanism in chamber, moving contacting plate and two stationary contacts vertically positioned opposite, the driving machine of difference
Structure mainly includes driving coil, dynamic iron core, push rod and back-moving spring, and when driving coil is powered, its magnetic force for producing causes push rod
Moving straight up, and moving contacting plate being driven with two stationary contacts while connecting, D.C. contactor is in Operating In Persistent Current Mode state；Drive
During moving winding power-off, in the presence of back-moving spring, motion resets push rod straight down, and drives moving contacting plate and two stationary contacts
Point is simultaneously switched off, and D.C. contactor is in disconnection working condition.However, above-mentioned D.C. contactor structure is in Operating In Persistent Current Mode, drive
Moving winding needs to be constantly in "on" position, this not only power consumption it is big, and product heating is serious, and leverage product can
By property and the suitable application area for having limited to product.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of magnetic keeps energy-saving high-voltage direct-current catalyst, need to only produce
Product adhesive disconnects moment energization excitation, economizes on electricity very much, is adapted to work under the operating mode of pole needs energy-conservation, and substantially reduces line
The heating of circle and the consumption to power supply.
The technical scheme that adopted to solve its technical problem of the present invention is：A kind of magnetic keeps energy-saving high-voltage direct-current to connect
Tentaculum, it is close with the insulating lid for being sealingly fastened in the magnetic shell upper port, the magnetic shell and insulating lid including the magnetic shell of upper end open
The top in envelope space is provided with arc-extinguish chamber and forms arc-chutes, and bottom is provided with coil windings and iron core, is provided with a pair in the arc extinguishing room
Main stationary contact, the moving contacting plate for forming two active contacts, for drive the moving contacting plate to move up and down with a pair
The transmission core bar of the main stationary contact opening and closing, the moving contacting plate hang down located at the lower section of a pair main stationary contacts, the moving contacting plate
Direct-connected to be connected on the upper end of the transmission core bar, the bottom for being driven core bar stretches out the arc-chutes and fixed cover is located at
In the iron core, the iron core is movably arranged in the center cavity of the coil windings, and the middle part periphery of the transmission core bar is provided with
For providing the reaction spring of restoring force for the transmission core bar, it is characterised in that：Positioned at the arc-extinguish chamber on the inside of the magnetic shell
The first permanent magnet of annular, first permanent magnet and the transmission core bar is provided between the upper surface of bottom and the coil windings
Between be provided with pole piece, be provided with magnetic pole core in the upper space between the coil windings and iron core, the magnetic pole core upper end and institute
State pole piece connection.
As a further improvement on the present invention, the magnetic pole core includes the first magnetic pole core and the second magnetic pole core, described first
Magnetic pole core is cylindrical shape, is placed in the center cavity of the coil windings and is sheathed on outside the iron core；Second magnetic pole core
Lower end it is cylindrical, upper end stretches out to form discoid respectively, and the lower end of second magnetic pole core is placed in the coil windings
Center cavity in and be sheathed on outside first magnetic pole core, upper end be located at the pole piece and coil windings upper end it
Between, and upper surface is against first permanent magnet.
As a further improvement on the present invention, the reaction spring includes the first spring, second spring and the 3rd spring, institute
The upper end periphery for stating transmission core bar is provided with spacing ring, and first spring and second spring are sheathed on the transmission core bar respectively
Upper end outside, the 3rd spring housing located at it is described transmission core bar bottom outside, the two ends of first spring push against institute respectively
The bottom of moving contacting plate and arc-extinguish chamber is stated, the two ends of the second spring push against the bottom of the spacing ring and arc-extinguish chamber respectively,
The two ends of the 3rd spring push against bottom and the iron core of the arc-extinguish chamber respectively.
As a further improvement on the present invention, the coil windings include coil rack and are wound on the coil rack
Coil, the outer end and bottom of the coil rack are born against on the medial surface and bottom surface of the magnetic shell.
As a further improvement on the present invention, the bottom of the arc-extinguish chamber be plastic support board, the plastic support board center
It is provided with the through hole worn for the transmission core bar.
As a further improvement on the present invention, the through-hole side of the plastic support board extension that faces down forms kink, institute
State pole piece to be located between first permanent magnet and the kink of the plastic support board.
As a further improvement on the present invention, the second permanent magnet of arc extinguishing is provided with the arc extinguishing room.
As a further improvement on the present invention, the insulating lid is ceramic insulation lid.
The invention has the beneficial effects as follows：The magnetic keeps energy-saving high-voltage direct-current catalyst by arranging permanent magnet, magnetic shell, magnetic
Pole piece and magnetic pole core form closed magnetic circuit, and after coil is powered forward or backwards, iron core is magnetized, and produce corresponding magnetic force, make
Moving contacting plate and quiet contact chip are remained up or are disconnected, therefore the high-voltage DC contactor was only needed in the moment for starting and disconnect
It is powered to driving coil, and then need not powers to driving coil after being turned on or off between moving contacting plate and two stationary contacts, reaches
The purpose of energy-conservation is arrived；Because during the high-voltage DC contactor continuous firing, driving coil need not be powered, therefore greatly reduce
The temperature of the high-voltage DC contactor, improves product reliability, expands the ambient temperature subject range of product；Small volume,
Sealed using ceramic structure, it is easy for installation, can be installed with pcb board formula；Low in energy consumption, load capacity is strong；Keep producing with conventional mechanical
Condition is shorter than movement time, and reliability is high；In addition, compared with conventional products, Anti-amyloid-β antibody ability is higher.
Description of the drawings
Figure 1A is disrupted configuration schematic diagram of the present invention；
Figure 1B is the magnetic circuit schematic diagram when present invention disconnects；
Fig. 2A is coil electricity template structure schematic diagram of the present invention；
Fig. 2 B are the magnetic circuit schematic diagram of coil electricity moment of the present invention；
Fig. 3 A are cut-off structure schematic diagram after coil electricity of the present invention；
Fig. 3 B are the magnetic circuit schematic diagram of power-off after coil electricity of the present invention；
Fig. 4 A are the reverse energized structural schematic diagram of coil of the present invention；
Fig. 4 B are the magnetic circuit schematic diagram that coil of the present invention is reversely powered.
With reference to accompanying drawing, make the following instructions：
1 magnetic shell, 2 insulating lid
3 arc-extinguish chamber, 4 arc-chutes
5 coil windings, 6 iron core
7 main stationary contact, 8 moving contacting plate
9 transmission 10 first permanent magnets of core bar
11 pole piece, 12 first magnetic pole core
13 second magnetic pole core, 14 first spring
The 3rd spring of 15 second spring 16
17 spacing ring, 18 second permanent magnet
Specific embodiment
Below in conjunction with accompanying drawing, a preferred embodiment to the present invention elaborates.But protection scope of the present invention is not
Be limited to following embodiments, i.e., the simple equivalence changes made with scope of the present invention patent and description in every case with repair
Decorations, all still belong within patent covering scope of the present invention.
Refering to Figure 1A, 1B, it is that a kind of magnetic of the present invention keeps energy-saving high-voltage direct-current catalyst, including upper end open
Magnetic shell 1 and be sealingly fastened in the insulating lid 2 of the magnetic shell upper port, the top of the sealing space of the magnetic shell and insulating lid is provided with
Arc-extinguish chamber 3 forms arc-chutes 4, and bottom is provided with coil windings 5 and iron core 6, is provided with a pair main stationary contacts 7, use in the arc extinguishing room
In formed two active contacts moving contacting plate 8, for drive the moving contacting plate to move up and down with main stationary contact described in a pair
The transmission core bar 9 of point opening and closing, the moving contacting plate are vertically connected at institute located at the lower section of a pair main stationary contacts, the moving contacting plate
State on the upper end of transmission core bar, the bottom for being driven core bar stretches out the arc-chutes and fixed cover is located at the iron core
Interior, the iron core is movably arranged in the center cavity of the coil windings, and the middle part periphery of the transmission core bar is provided with for for being somebody's turn to do
Transmission core bar provides the reaction spring of restoring force, it is characterised in that：Positioned at the bottom of the arc-extinguish chamber and institute on the inside of the magnetic shell
The first permanent magnet 10 of annular is provided between the upper surface for stating coil windings, is set between first permanent magnet and the transmission core bar
There is pole piece 11, in the upper space between the coil windings and iron core, be provided with magnetic pole core, the magnetic pole core upper end and the magnetic
Pole piece connects.
The magnetic pole core includes the first magnetic pole core 12 and the second magnetic pole core 13, and first magnetic pole core is cylindrical shape, is placed in
The center cavity of the coil windings is interior and is sheathed on outside the iron core；The lower end of second magnetic pole core is cylindrical, upper end
Stretch out respectively to form discoid, the lower end of second magnetic pole core is placed in the center cavity of the coil windings and is sheathed on
Outside first magnetic pole core, upper end is located between the pole piece and the upper end of coil windings, and upper surface is against described the
One permanent magnet.
The reaction spring includes the first spring 14, second spring 15 and the 3rd spring 16, the upper end of the transmission core bar
Portion periphery is provided with spacing ring 17, and first spring and second spring are sheathed on outside the upper end of the transmission core bar respectively, the
Outside the bottom of the transmission core bar, the two ends of first spring push against the moving contacting plate and go out three spring housings respectively
The bottom of arc cover, the two ends of the second spring push against the bottom of the spacing ring and arc-extinguish chamber respectively, the 3rd spring
Two ends push against the bottom of the arc-extinguish chamber and iron core respectively.
The coil windings include coil rack and the coil being wound on the coil rack, the outer end of the coil rack and
Bottom is born against on the medial surface and bottom surface of the magnetic shell.The bottom of the arc-extinguish chamber is plastic support board, the plastics
Fagging center is provided with the through hole worn for the transmission core bar.The through-hole side of the plastic support board faces down to extend and forms bending
Portion, the pole piece are located between first permanent magnet and the kink of the plastic support board.It is provided with the arc extinguishing room and goes out
Arc is with the second permanent magnet 18.The insulating lid is ceramic insulation lid.
The operation principle and process of the present invention are described in detail below in conjunction with accompanying drawing：
First, product off-state：
Refering to Figure 1A, be the present invention in off-state figure, now coil no power, iron core is unmagnetized, iron core and magnetic shell bottom
Portion, pole piece, magnetic pole core and the first permanent magnet form closed magnetic circuit, refering to Figure 1B, the+the three bullet of magnetic field force that now iron core is subject to
The counter-force of spring>The precompression of the first spring+second spring, contact chip are off with stationary contact.
2nd, coil electricity moment：
After the positive energization of coil, iron core is magnetized, and produces " N " " S " pole, and iron core is produced with magnetic shell bottom and the first permanent magnet
Opposite polarity, produces repulsion 1, and iron core produces opposite polarity with pole piece, magnetic pole core and permanent magnet 1, produces repulsion 2.As schemed
Show, now coil produces the+the first spring of magnetic field force, the precompression+repulsion 1 of second spring>Counter-force+the repulsion 2 of the 3rd spring, ferrum
Core is moved upwards, and band moving contacting plate upwards, is contacted with stationary contact.
3rd, power-off after coil electricity：
After coil blackout, iron core demagnetizes, and now iron core is kept and pole piece contact condition by the magnetic force of the first permanent magnet,
Stationary contact is in closure state with contact chip.
4th, coil is reversely powered
After coil electricity, iron core is magnetized, and produces " N " " S " pole, and iron core is contrary with magnetic shell bottom and the generation of the first permanent magnet
Same polarity, and magnetic circuit gap is produced, larger suction 1 is produced, iron core produces same pole with pole piece, magnetic pole core and the first permanent magnet
Property, produce suction 2.As shown in the figure.Now counter-force+the suction 1 of the 3rd spring>Counter-force+the suction 2 of the first spring+second spring,
Iron core is moved downward, and band moving contacting plate downwards, is disconnected with contact chip with stationary contact.
The catalyst of the battery saving mode that the present invention is kept using magnetic is also referred to as magnetic latching contactor, coil during catalyst adhesive
Power supply, makes catalyst adhesive.After the completion of adhesive, coil blackout makes catalyst be maintained at adhesive shape by the permanent magnet in magnetic circuit
State.When needing to disconnect, the logical reverse current of coil or special release coil are powered, and offset the magnetic field of permanent magnet, make catalyst
Disconnect.After catalyst disconnects, release coil power-off, catalyst make catalyst be maintained at release conditions by permanent magnet or spring.
As can be seen here, magnetic latching contactor of the present invention, only in product adhesive or need to disconnect moment energization excitation, non-
Often economize on electricity, be adapted to work under the operating mode of pole needs energy-conservation, substantially reduce the heating and the consumption to power supply of coil；Small volume,
Sealed using ceramic structure, it is easy for installation, can be installed with pcb board formula；Low in energy consumption, load capacity is strong；Keep producing with conventional mechanical
Condition is more disconnected than movement time, and reliability is high；In addition, compared with conventional products, Anti-amyloid-β antibody ability is higher.
Claims (8)
1. a kind of magnetic keeps energy-saving high-voltage direct-current catalyst, magnetic shell (1) including upper end open and is sealingly fastened in the magnetic shell
The top of the sealing space of the insulating lid (2) of upper port, the magnetic shell and insulating lid is provided with arc-extinguish chamber (3) and forms arc-chutes (4),
Bottom is provided with coil windings (5) and iron core (6), be provided with the arc extinguishing room a pair main stationary contact (7), for formed two actives
The moving contacting plate (8) of contact, for driving the moving contacting plate to move up and down with the transmission with main stationary contact opening and closing described in a pair
Core bar (9), the moving contacting plate are vertically connected at the transmission core bar located at the lower section of a pair main stationary contacts, the moving contacting plate
Upper end on, the arc-chutes fixed cover are stretched out in the iron core in the bottom of the transmission core bar, and the iron core is lived
Dynamic to be located in the center cavity of the coil windings, the middle part periphery of the transmission core bar is provided with for providing for the transmission core bar
The reaction spring of restoring force, it is characterised in that：Positioned at the bottom of the arc-extinguish chamber and the coil windings on the inside of the magnetic shell
First permanent magnet (10) of annular is provided between upper surface, is provided with pole piece between first permanent magnet and the transmission core bar
(11), magnetic pole core is provided with the upper space between the coil windings and iron core, the magnetic pole core upper end is connected with the pole piece
Connect.
2. magnetic according to claim 1 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：The magnetic pole core includes
First magnetic pole core (12) and the second magnetic pole core (13), first magnetic pole core are cylindrical shape, are placed in the center of the coil windings
Cavity is interior and is sheathed on outside the iron core；The lower end of second magnetic pole core is cylindrical, and upper end stretches out to form circle respectively
Plate-like, the lower end of second magnetic pole core are placed in the center cavity of the coil windings and are sheathed on outside first magnetic pole core,
Upper end is located between the pole piece and the upper end of coil windings, and upper surface is against first permanent magnet.
3. magnetic according to claim 1 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：The reaction spring bag
The first spring (14), second spring (15) and the 3rd spring (16) is included, the upper end periphery of the transmission core bar is provided with spacing ring
(17), first spring and second spring are sheathed on outside the upper end of the transmission core bar respectively, and the 3rd spring housing is located at institute
State outside the bottom of transmission core bar, the two ends of first spring push against the bottom of the moving contacting plate and arc-extinguish chamber, institute respectively
The two ends for stating second spring push against the bottom of the spacing ring and arc-extinguish chamber respectively, and the two ends of the 3rd spring push against institute respectively
State bottom and the iron core of arc-extinguish chamber.
4. magnetic according to claim 1 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：The coil windings bag
Coil rack and the coil being wound on the coil rack is included, the outer end and bottom of the coil rack are born against in the magnetic shell
Medial surface and bottom surface on.
5. magnetic according to claim 1 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：The bottom of the arc-extinguish chamber
Portion is plastic support board, and the plastic support board center is provided with the through hole worn for the transmission core bar.
6. magnetic according to claim 5 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：The plastic support board
The through-hole side extension that faces down form kink, the pole piece is located at the bending of first permanent magnet and the plastic support board
Between portion.
7. magnetic according to claim 5 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：Set in the arc extinguishing room
There is the second permanent magnet of arc extinguishing (18).
8. magnetic according to claim 1 keeps energy-saving high-voltage direct-current catalyst, it is characterised in that：The insulating lid is pottery
Porcelain insulating lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004190.8A CN106531563B (en) | 2017-01-04 | 2017-01-04 | Magnetic keeps energy-saving high-voltage direct-current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004190.8A CN106531563B (en) | 2017-01-04 | 2017-01-04 | Magnetic keeps energy-saving high-voltage direct-current contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106531563A true CN106531563A (en) | 2017-03-22 |
| CN106531563B CN106531563B (en) | 2019-04-02 |
Family
ID=58336836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710004190.8A Active CN106531563B (en) | 2017-01-04 | 2017-01-04 | Magnetic keeps energy-saving high-voltage direct-current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531563B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447739A (en) * | 2018-03-23 | 2018-08-24 | 浙江瑞光新能源科技有限公司 | Ceramic package high-voltage DC contactor with auxiliary contact |
| WO2018196547A1 (en) * | 2017-04-28 | 2018-11-01 | 比亚迪股份有限公司 | Relay |
| CN109119292A (en) * | 2018-09-26 | 2019-01-01 | 昆山国力源通新能源科技有限公司 | D.C. contactor |
| CN109830403A (en) * | 2019-02-12 | 2019-05-31 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
| CN109841458A (en) * | 2019-02-12 | 2019-06-04 | 厦门宏发电力电器有限公司 | A kind of full seal type high voltage direct current relay |
| CN110678949A (en) * | 2017-04-06 | 2020-01-10 | 沙尔特宝有限公司 | Switching device with contact cover |
| CN111916312A (en) * | 2020-08-12 | 2020-11-10 | 浙江众信新能源科技股份有限公司 | Relay contact assembly capable of resisting large short circuit current |
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| CN201171024Y (en) * | 2008-01-29 | 2008-12-24 | 江苏中金电器设备有限公司 | Driving mechanism for permanent magnet type contactor |
| EP2711962A1 (en) * | 2011-05-19 | 2014-03-26 | Fuji Electric Fa Components & Systems Co., Ltd. | Electromagnetic contactor |
| CN204303694U (en) * | 2014-12-25 | 2015-04-29 | 孙志强 | A kind of mechanical self-latching type contactor |
| CN105679610A (en) * | 2016-04-12 | 2016-06-15 | 昆山国力源通新能源科技有限公司 | High-voltage sealed DC contactor with auxiliary contacts |
| CN206349309U (en) * | 2017-01-04 | 2017-07-21 | 昆山国力源通新能源科技有限公司 | Magnetic keeps energy-saving high-voltage direct-current contactor |
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| CN2485779Y (en) * | 2001-06-29 | 2002-04-10 | 贵州天义电器有限责任公司 | Magnetic contactor |
| CN201171024Y (en) * | 2008-01-29 | 2008-12-24 | 江苏中金电器设备有限公司 | Driving mechanism for permanent magnet type contactor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110678949A (en) * | 2017-04-06 | 2020-01-10 | 沙尔特宝有限公司 | Switching device with contact cover |
| CN110678949B (en) * | 2017-04-06 | 2021-12-14 | 沙尔特宝有限公司 | Switching device with contact cover |
| WO2018196547A1 (en) * | 2017-04-28 | 2018-11-01 | 比亚迪股份有限公司 | Relay |
| CN108447739A (en) * | 2018-03-23 | 2018-08-24 | 浙江瑞光新能源科技有限公司 | Ceramic package high-voltage DC contactor with auxiliary contact |
| CN109119292A (en) * | 2018-09-26 | 2019-01-01 | 昆山国力源通新能源科技有限公司 | D.C. contactor |
| CN109119292B (en) * | 2018-09-26 | 2024-06-07 | 昆山国力源通新能源科技有限公司 | DC contactor |
| CN109830403A (en) * | 2019-02-12 | 2019-05-31 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay |
| CN109841458A (en) * | 2019-02-12 | 2019-06-04 | 厦门宏发电力电器有限公司 | A kind of full seal type high voltage direct current relay |
| CN109841458B (en) * | 2019-02-12 | 2024-04-05 | 厦门宏发电力电器有限公司 | Full-sealed high-voltage direct-current relay |
| CN111916312A (en) * | 2020-08-12 | 2020-11-10 | 浙江众信新能源科技股份有限公司 | Relay contact assembly capable of resisting large short circuit current |
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| Publication number | Publication date |
|---|---|
| CN106531563B (en) | 2019-04-02 |
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