CN206349309U - Magnetic keeps energy-saving high-voltage direct-current contactor - Google Patents
Magnetic keeps energy-saving high-voltage direct-current contactor Download PDFInfo
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- CN206349309U CN206349309U CN201720005795.4U CN201720005795U CN206349309U CN 206349309 U CN206349309 U CN 206349309U CN 201720005795 U CN201720005795 U CN 201720005795U CN 206349309 U CN206349309 U CN 206349309U
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Abstract
Energy-saving high-voltage direct-current contactor is kept the utility model discloses a kind of magnetic, magnetic shell and the insulating lid for being sealingly fastened in its upper port including upper end open, the top of the sealing space of magnetic shell and insulating lid is provided with arc-extinguish chamber formation arc-chutes, bottom is provided with coil windings and iron core, provided with a pair of main stationary contacts in arc-chutes, moving contacting plate for forming two active contacts, for driving the moving contacting plate to move up and down with the transmission core bar with main stationary contact opening and closing described in a pair, it is located at the first permanent magnet provided with annular between the bottom of arc-extinguish chamber and the upper surface of coil windings on the inside of magnetic shell, pole piece is provided between first permanent magnet and transmission core bar, magnetic pole core is provided with upper space between coil windings and iron core, the magnetic pole core upper end is connected with the pole piece.The magnetic keeps energy-saving high-voltage direct-current contactor not only to save, and greatly reduces the temperature of the high-voltage DC contactor, improves product reliability, expands the environment temperature accommodation of product.
Description
Technical field
The utility model is related to a kind of high-voltage DC contactor, more particularly to a kind of magnetic keeps energy-saving high-voltage direct-current contact
Device.
Background technology
At present, it is adopted as the D.C. contactor structure of in the 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 vertically positioned opposite, the driving machine of two stationary contacts difference
Structure mainly includes driving coil, dynamic iron core, push rod and back-moving spring, when driving coil is powered, and its magnetic force produced causes push rod
Move straight up, and drive moving contacting plate with two stationary contacts while connecting, D.C. contactor is in Operating In Persistent Current Mode state；Drive
When moving winding is powered off, motion resets push rod straight down in the presence of back-moving spring, and drives moving contacting plate and two stationary contacts
Point is simultaneously switched off, and D.C. contactor, which is in, disconnects 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 utility model provides a kind of magnetic and keeps energy-saving high-voltage direct-current contactor, only needs
It is powered and encourages in product adhesive or disconnection moment, economize on electricity very much, is adapted to work under the operating mode that pole needs are saved, and drop significantly
The heating of low coil and the consumption to power supply.
The utility model is to solve the technical scheme that its technical problem is used：A kind of magnetic keeps energy-saving high straightening
Contactor is flowed, includes the magnetic shell and the insulating lid for being sealingly fastened in the magnetic shell upper port, the magnetic shell and insulating lid of upper end open
Sealing space top provided with arc-extinguish chamber formation arc-chutes, bottom is provided with coil windings and iron core, is provided with the arc-chutes
A pair main stationary contacts, the moving contacting plate for forming two active contacts, for drive the moving contacting plate to move up and down with
The transmission core bar of main stationary contact opening and closing described in a pair, the moving contacting plate is located at the lower section of a pair of main stationary contacts, the dynamic contact
Piece is vertically connected on the upper end of the transmission core bar, and the arc-chutes and fixed cover are stretched out in the bottom of the transmission core bar
In the iron core, the iron core is movably arranged in the center cavity of the coil windings, the middle part periphery of the transmission core bar
Provided with the reaction spring for providing restoring force for the transmission core bar, it is characterised in that：It is located at the arc extinguishing on the inside of the magnetic shell
The first permanent magnet provided with annular between the bottom of cover and the upper surface of the coil windings, first permanent magnet and the transmission
Pole piece is provided between core bar, magnetic pole core, the magnetic pole core upper end are provided with the upper space between the coil windings and iron core
It is connected with the pole piece.
As further improvement of the utility model, 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
The lower end of pole piece is cylindrical, and upper end stretches out to form discoid respectively, and the lower end of second magnetic pole core is placed in the coil
The center cavity of winding is interior and is sheathed on outside first magnetic pole core, and upper end is located at the upper end of the pole piece and coil windings
Between, and upper surface is against first permanent magnet.
As further improvement of the utility model, the reaction spring includes the first spring, second spring and the 3rd bullet
Spring, the upper end periphery of the transmission core bar is provided with spacing ring, and first spring and second spring are sheathed on the biography respectively
Outside the upper end of dynamic core bar, the 3rd spring housing is outside the bottom of the transmission core bar, the two ends difference of first spring
Push against the bottom of the moving contacting plate and arc-extinguish chamber, the two ends of the second spring push against the spacing ring and arc-extinguish chamber respectively
Bottom, the two ends of the 3rd spring push against bottom and the iron core of the arc-extinguish chamber respectively.
As further improvement of the utility model, the coil windings include coil rack and are wound in the coil rack
On 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 further improvement of the utility model, the bottom of the arc-extinguish chamber is plastic support board, the plastic support board
Center is provided with the through hole worn for the transmission core bar.
As further improvement of the utility model, the through-hole side of the plastic support board extends to form bending downwards
Portion, the pole piece is located between first permanent magnet and the kink of the plastic support board.
As further improvement of the utility model, provided with the second permanent magnet of arc extinguishing in the arc-chutes.
As further improvement of the utility model, the insulating lid is ceramic insulation lid.
The beneficial effects of the utility model are：The magnetic keeps energy-saving high-voltage direct-current contactor by setting permanent magnet, magnetic
Shell, pole piece and magnetic pole core formation closed magnetic circuit, after coil is powered forward or backwards, iron core is magnetized, and produces corresponding magnetic
Power, makes moving contacting plate and quiet contact chip remain up or disconnect, therefore the high-voltage DC contactor only needs to starting and disconnecting
Moment give driving coil to be powered, and need not then be supplied after being turned on or off between moving contacting plate and two stationary contacts to driving coil
Electricity, has reached the purpose of energy-conservation；Driving coil need not be powered during because of the high-voltage DC contactor continuous firing, therefore drop significantly
The low temperature of the high-voltage DC contactor, improves product reliability, expands the environment temperature accommodation of product；Volume
It is small, sealed using ceramic structure, it is easy for installation, it can be installed with pcb board formula；Low in energy consumption, load capacity is strong；Kept with conventional mechanical
Product is short compared to actuation time, and reliability is high；In addition, compared with conventional products, Anti-amyloid-β antibody ability is stronger.
Brief description of the drawings
Figure 1A is the utility model disrupted configuration schematic diagram；
Figure 1B is magnetic circuit schematic diagram when the utility model disconnects；
Fig. 2A is the utility model coil electricity template structure schematic diagram；
Fig. 2 B are the magnetic circuit schematic diagram of the utility model coil electricity moment；
Fig. 3 A are cut-off structure schematic diagram after the utility model coil electricity；
Fig. 3 B are the magnetic circuit schematic diagram that powers off after the utility model coil electricity；
Fig. 4 A are the reverse energized structural schematic diagram of the utility model coil；
Fig. 4 B are the magnetic circuit schematic diagram that the utility model coil 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 cores
7 --- main stationary contact 8 --- moving contacting plates
9 --- transmission core bar 10 --- first permanent magnets
11 --- pole piece 12 --- first magnetic pole cores
13 --- the second magnetic pole core 14 --- first springs
15 --- second spring 16 --- the 3rd springs
17 --- spacing ring 18 --- second permanent magnets
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is elaborated.But it is of the present utility model to protect
Shield scope is not limited to following embodiments, i.e., as long as with present utility model application the scope of the claims and description made it is simple
Equivalent changes and modifications, all still belongs within the utility model patent covering scope.
It is that a kind of magnetic described in the utility model keeps energy-saving high-voltage direct-current contactor, including upper end refering to Figure 1A, 1B
The magnetic shell 1 of opening and the insulating lid 2 for being sealingly fastened in the magnetic shell upper port, the top of the sealing space of the magnetic shell and insulating lid
Provided with the formation arc-chutes 4 of arc-extinguish chamber 3, bottom is provided with coil windings 5 and iron core 6, the arc-chutes provided with a pair of main stationary contacts
7th, for forming the moving contacting plate 8 of two active contacts, for driving the moving contacting plate to move up and down with being led described in a pair
The transmission core bar 9 of stationary contact opening and closing, the moving contacting plate is vertically connected located at the lower section of a pair of main stationary contacts, the moving contacting plate
In on the upper end of the transmission core bar, the bottom of the transmission core bar stretches out the arc-chutes and fixed cover is located at the iron
In-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 being
The transmission core bar provides the reaction spring of restoring force, it is characterised in that：Be located on the inside of the magnetic shell arc-extinguish chamber bottom and
The first permanent magnet 10 provided with annular between the upper surface of the coil windings, between first permanent magnet and the transmission core bar
Provided with pole piece 11, be provided with magnetic pole core in the upper space between the coil windings and iron core, the magnetic pole core upper end with it is described
Pole piece is connected.
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 to form discoid respectively, 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, the spring 16 of second spring 15 and the 3rd, 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
Three spring housings are outside the bottom of the transmission core bar, and the two ends of first spring push against the moving contacting plate and gone out 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 bottom and the iron core of the arc-extinguish chamber respectively.
The coil windings include coil rack and the coil that is 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 branch
Fagging center is provided with the through hole worn for the transmission core bar.The through-hole side of the plastic support board extends to form bending downwards
Portion, the pole piece is located between first permanent magnet and the kink of the plastic support board.It is provided with and goes out in the arc-chutes
Arc is with the second permanent magnet 18.The insulating lid is ceramic insulation lid.
Operation principle of the present utility model and process are described in detail below in conjunction with accompanying drawing：
First, product off-state：
It is the utility model in off-state figure refering to Figure 1A, now coil no power, iron core is unmagnetized, iron core and magnetic
Shell bottom, pole piece, magnetic pole core and the first permanent magnet formation closed magnetic circuit, refering to Figure 1B, the magnetic field force+that now iron core is subject to
The counter-force of three springs>The precompression of first spring+second spring, contact chip is off with stationary contact.
2nd, coil electricity moment：
After coil forward direction is powered, 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 spring of magnetic field force+the first, precompression+repulsion 1 of second spring>Counter-force+repulsion 2 of 3rd spring, iron
Core is moved upwards, and band moving contacting plate upwards, is contacted with stationary contact.
3rd, powered off after coil electricity：
After coil blackout, iron core demagnetization, now magnetic force holding and pole piece contact condition of the iron core by 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 opposite 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+suction 1 of the 3rd spring>Counter-force+suction 2 of first spring+second spring,
Iron core is moved downward, and band moving contacting plate downwards, disconnects with stationary contact and contact chip.
The contactor for the battery saving mode that the utility model is kept using magnetic is also referred to as magnetic latching contactor, during contactor adhesive
Coil power supply, makes contactor adhesive.After the completion of adhesive, coil blackout makes contactor be maintained at suction by the permanent magnet in magnetic circuit
Conjunction state.When needing to disconnect, coil leads to reverse current or special release coil is powered, and offsets the magnetic field of permanent magnet, makes to connect
Tentaculum disconnects.After contactor disconnects, release coil power-off, contactor makes contactor be maintained at release shape by permanent magnet or spring
State.
As can be seen here, magnetic latching contactor described in the utility model, need to only be powered in product adhesive or disconnection moment and swash
Encourage, economize on electricity very much, be adapted to work under the operating mode that pole needs are saved, substantially reduce the heating and the consumption to power supply of coil；Body
Product is small, is sealed using ceramic structure, easy for installation, can be installed with pcb board formula；Low in energy consumption, load capacity is strong；Protected with conventional mechanical
Hold product disconnected compared to actuation time, reliability is high；In addition, compared with conventional products, Anti-amyloid-β antibody ability is stronger.
Claims (8)
1. a kind of magnetic keeps energy-saving high-voltage direct-current contactor, including upper end open magnetic shell (1) and be sealingly fastened in the magnetic shell
The insulating lid (2) of upper port, the top of the sealing space of the magnetic shell and insulating lid forms arc-chutes (4) provided with arc-extinguish chamber (3),
Bottom is provided with coil windings (5) and iron core (6), provided with a pair main stationary contacts (7), for two actives of formation in the arc-chutes
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 is vertically connected at the transmission core bar located at the lower section of a pair of main stationary contacts, the moving contacting plate
Upper end on, the bottom of the transmission core bar stretches out the arc-chutes and fixed cover is in the iron core, 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, which is provided with, to be used to provide for the transmission core bar
The reaction spring of restoring force, it is characterised in that：It is located at the bottom of the arc-extinguish chamber and the coil windings on the inside of the magnetic shell
The first permanent magnet (10) provided with annular between upper surface, is provided with pole piece between first permanent magnet and the transmission core bar
(11) magnetic pole core is provided with upper space, between the coil windings and iron core, the magnetic pole core upper end connects with the pole piece
Connect.
2. magnetic according to claim 1 keeps energy-saving high-voltage direct-current contactor, 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 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 first permanent magnet.
3. magnetic according to claim 1 keeps energy-saving high-voltage direct-current contactor, it is characterised in that：The reaction spring bag
The first spring (14), second spring (15) and the 3rd spring (16) are 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
Outside the bottom for stating 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 contactor, it is characterised in that：The coil windings bag
Coil rack and the coil being wound on the coil rack are 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 contactor, 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 contactor, it is characterised in that：The plastic support board
Through-hole side extend to form kink downwards, 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 contactor, it is characterised in that：Set in the arc-chutes
There is arc extinguishing with the second permanent magnet (18).
8. magnetic according to claim 1 keeps energy-saving high-voltage direct-current contactor, it is characterised in that：The insulating lid is pottery
Porcelain insulating lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720005795.4U CN206349309U (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 |
|---|---|---|---|
| CN201720005795.4U CN206349309U (en) | 2017-01-04 | 2017-01-04 | Magnetic keeps energy-saving high-voltage direct-current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206349309U true CN206349309U (en) | 2017-07-21 |
Family
ID=59319465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720005795.4U Active CN206349309U (en) | 2017-01-04 | 2017-01-04 | Magnetic keeps energy-saving high-voltage direct-current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206349309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531563A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Magnetic latching energy-saving high-voltage DC contactor |
| CN107863258A (en) * | 2017-12-20 | 2018-03-30 | 浙江上图电气科技有限公司 | A kind of permanent magnet system device |
-
2017
- 2017-01-04 CN CN201720005795.4U patent/CN206349309U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531563A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Magnetic latching energy-saving high-voltage DC contactor |
| CN106531563B (en) * | 2017-01-04 | 2019-04-02 | 昆山国力源通新能源科技有限公司 | Magnetic keeps energy-saving high-voltage direct-current contactor |
| CN107863258A (en) * | 2017-12-20 | 2018-03-30 | 浙江上图电气科技有限公司 | A kind of permanent magnet system device |
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|---|---|---|---|
| GR01 | Patent grant |