CN205680627U - A kind of contactor connecting capacitive element - Google Patents
A kind of contactor connecting capacitive element Download PDFInfo
- Publication number
- CN205680627U CN205680627U CN201620623042.5U CN201620623042U CN205680627U CN 205680627 U CN205680627 U CN 205680627U CN 201620623042 U CN201620623042 U CN 201620623042U CN 205680627 U CN205680627 U CN 205680627U
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- Prior art keywords
- contact
- precharge
- contactor
- main
- static contact
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Abstract
The utility model relates to a kind of contactor connecting capacitive element, including main contact group, arc-chutes, pushing mechanism, resistance, precharge contactor group and electromagnetic mechanism, described main contact group includes actively contact and main static contact；Described precharge contactor group includes precharge moving contact and precharge static contact；Described precharge contactor group is in parallel with described main contact group with after described resistant series；After the energising of described electromagnetic mechanism, described pushing mechanism promotes described active contact to move to described main static contact, and simultaneously described pushing mechanism promotes described precharge moving contact to described precharge static contact motion；Distance between described active contact and described main static contact is more than the distance between described precharge moving contact and described precharge static contact.The contactor construction being designed by the utility model is compact to design, reasonable, volume is little, can meet charging pile, the requirement of novel high-power Development of Electric Vehicles.
Description
Technical field
The utility model relates to Low Voltage Electrical Apparatus, is specifically related to a kind of contactor connecting capacitive element.
Background technology
Existing single-pole dc contact, is mainly used in electric automobile, electri forklift, the startup of battery driven vehicle, stopping
With power-switching circuit control.Traditional D.C. contactor mainly include pedestal, control connect and disjunction circuit contact and
The operating mechanisms such as electromagnet, and its structure is to use former Soviet Union MZJ type series aerospace contactor or its modified, for example mostly
China Patent No. be the 200420037061.7th, the 200520089587.4th, the 20072015712.5th, 200720105713.X and
200720045041.8 Deng disclosed D.C. contactor.And in these existing single-pole dc contacts, generally by touch
Head both sides arrange permanent magnet, make electric arc blow off rapidly contact, but the operating voltage of this kind of D.C. contactor is not high.
And electromagnetic type bipolar DC contactor of the prior art is mainly used in electric motor coach, its operating voltage can reach
750V, disclosure satisfy that the requirement of battery operating voltage 600V.Although the functional reliability of this D.C. contactor is very high, arc-extinguishing
Can be good, but there is also the bigger shortcoming of volume, although it is widely used on electric motor coach and electric car, but electricity can not be met
Electrical automobile requires the requirement that vehicle mounted electrical apparatus minimizes day by day.
In recent years, the D.C. contactor on electric automobile and electricity vapour hybrid electric vehicle had commercially been used to have the patent No.
It is air blowout electromagnetic type single-pole dc contact and the LEV series hydrogen and nitrogen gas arc extinguishing monopolar D. C contact of 201110003944.0
Two kinds of products of device, although can meet the requirement of battery operated 320V, but due to electromagnetic mechanism be the barrel-shaped yoke in employing garden and
Garden plate shaped magnetic conduction flat board piston structure, garden plate shaped magnetic conduction flat board surrounding uses small-gap suture to coordinate with garden barrel-shaped yoke surrounding,
With central core, flux sleeve bucket, that armature constitutes magnetic loop leakage field undoubtedly is relatively big, suction can not support to install precharge contactor and auxiliary
Helping the demands such as contact, prior art does not all provide the direct current inflation contactor with precharge contactor and auxiliary contact, it is impossible to
Meet charging pile, electric automobile develop further and propose high performance requirement.
Utility model content
In order to solve the deficiency that prior art exists, the utility model provides a kind of contact connecting capacitive element
Device, described contactor, by arranging cooperating of precharge contactor group and pushing mechanism therein, realizes to electric capacity
Pre-charging functions, possess the contactor of this precharge contactor group, not only design structure more reasonable, operating voltage one pole reaches
900V, control motor power (output) reaches more than 120KW, and can meet Development of Electric Vehicles increases the requirement of power, can preferably fit
Dynamical system for electric automobile.
The technical solution adopted in the utility model is:
A kind of contactor connecting capacitive element, including main contact group, arc-chutes, pushing mechanism, resistance, precharge touch
Head group and electromagnetic mechanism,
Described main contact group includes actively contact and main static contact pedestal；
Described precharge contactor group includes precharge moving contact and precharge static contact；
Described precharge contactor group is in parallel with described main contact group with after described resistant series；
After the energising of described electromagnetic mechanism, described pushing mechanism promotes described active contact to move to described main static contact, with
Shi Suoshu pushing mechanism promotes described precharge moving contact to described precharge static contact motion；
Distance between described active contact and described main static contact is more than described precharge moving contact and described precharge
Distance between static contact.
Further, described pushing mechanism includes push rod and the active contact being arranged on described push rod, described push rod
On be provided with the first draw-in groove, the second draw-in groove and the 3rd draw-in groove.
Further, the upper end of described push rod is provided with compression spring, and described compression spring passes through split washer and plain cushion
Circle is arranged on described first draw-in groove, and withstands between described first draw-in groove and described main static contact pedestal.
Further, described active contact is located between the first spring base and the second spring base, and described active contact passes through
Described first spring base and the second spring base are inserted in described push rod, described active contact can relative motion on described push rod,
The described lower end of the second spring base is connected with one end of touch spring, and the other end of described touch spring is by plain washer and opens
Mouth back-up ring is fixed on the second draw-in groove of described push rod.
Further, it is provided with supporter, being provided above of described supporter between described second draw-in groove and the 3rd draw-in groove
Having adjustable column, the lower section of described supporter is fixed on described 3rd card by plain washer, elastic washer, plain washer and split washer
On groove.
Further, described supporter be provided above wiring board, described wiring board is by the through hole being provided with in the middle of it
Being sleeved on described push rod, described wiring board is arranged between described arc-chutes and electromagnetic mechanism, and described precharge static contact sets
Putting on described wiring board, described precharge moving contact is arranged on described supporter, described precharge static contact and described pre-
Charging electric sets of contacts precharge switch in a pair.
Further, one end of described precharge static contact is connected with one end of described resistance, another of described resistance
End is fixed on described wiring board.
Further, described arc-chutes include main arc extinguishing room and two secondary arc extinguishings being separately positioned on both sides, main arc extinguishing room
Room, the top center in described main arc extinguishing room is provided with centre bore, and the both sides of described centre bore are provided with static contact through hole, described
The two ends in main arc extinguishing room are each provided with a groove, and two described grooves make two described secondary arc extinguishing rooms and main arc extinguishing room phase respectively
UNICOM.
Further, described electromagnetic mechanism includes upper conduction magnetic board, lower magnetic conductive board, iron core, armature, coil and two circular arcs
Yoke plate, described upper conduction magnetic board and described lower magnetic conductive board phase riveting are pressed from both sides by two described circular arc yoke plates by the folder riveting of two-way countersunk head
Tightly, described coil is arranged on the central authorities of Liang Ge garden arc yoke plate.
Further, the inside of described arc-chutes is full of by nitrogen.
The beneficial effects of the utility model are: the utility model proposes control capacitive load for the first time, no longer uses pre-
Charge relay adds big electric current when 50 Ω resistance start to charge up for limiting capacitance device, for up to the conventional method of 100ms,
Pair contact of proposition main contactor itself replaces the method for pre-charge-relay.
Devise a kind of contactor connecting capacitive element by the utility model, be as right using precharge contactor group
The precharge switch of electric capacity, after electromagnetic mechanism energising, pushing mechanism promotes actively contact to move to main static contact, described promotion machine
Structure promotes precharge moving contact to precharge static contact motion；Owing to the distance between active contact and main static contact is more than preliminary filling
Distance between electronic contact and precharge static contact, makes the precharge contactor of series limiting resistor first connect, then main contact
Group Guan Bi, the work of this contactor is very safe and reliable, and can reduce control system of electric automobile one pre-charge-relay, electricity
Resistance device and control program thereof.
The utility model, in the design of garden cylindricality electromagnetic mechanism structure, uses plate type electromagnetic system bidirectional countersunk head for the first time
Folder riveting technology, make magnetic Circuit Design reach seamless link, structure is compacter, reasonable, volume is little, suction is big, make electric automobile and
With the direct current inflation contactor of charging pile, can have pre-charging device (including built-in resistor device) and auxiliary contact group simultaneously,
Can extensively meet the demand of charging pile and novel high-power Development of Electric Vehicles.
Brief description
Fig. 1 is the front view of a kind of single-pole dc contact of the utility model example embodiments；
Fig. 2 is the top view of a kind of single-pole dc contact of the utility model example embodiments；
Fig. 3 is the front view of the main static contact pedestal of the utility model example embodiments；
Fig. 4 is the top view of the main static contact pedestal of the utility model example embodiments；
Fig. 5 is the structural representation of the arc-chutes of the utility model example embodiments；
Fig. 6 is the structural representation of the pushing mechanism of the utility model example embodiments；
Fig. 7 is the structural representation of the wiring board of the utility model example embodiments；
Fig. 8 is the front view of the electromagnetic mechanism of the utility model example embodiments；
Fig. 9 is the top view of the electromagnetic mechanism of the utility model example embodiments.
In figure: 1-main static contact pedestal, 1.1-static contact, 1.2-permanent magnet, 1.3-magnetic conduction pole plate, the circular flat board of 1.4-,
1.5-instrument connection, 1.6-air-filled pore;
2-pushing mechanism, 2.1-push rod, 2.2-the first split washer, 2.3-the first plain washer, 2.4-the first spring base,
2.5-moving contact, 2.6-the second spring base, 2.7-touch spring, 2.8-the second plain washer, 2.9-the second split washer, 2.10-
Adjustable column, 2.11-supporting assembly, 2.12-the 3rd plain washer, 2.13-elastic washer, 2.14-the 4th plain washer, 2.15-the 3rd
Split washer, 2.16-compression spring；
3-arc-chutes, 3.1-cover plate, 3.2-main arc extinguishing room, the secondary arc extinguishing room of 3.3-first, the secondary arc extinguishing room of 3.4-second, 3.5-
Centre bore, 3.6-static contact through hole, 3.7-the first groove, 3.8-the second groove；
4-precharge contactor group, 4.1-wiring board, 4.2-is pre-charged static contact, 4.3-resistance, the normally opened stationary contact of 4.4-auxiliary
Head；
5-electromagnetic mechanism, 5.1-coil, magnetic conductive board under 5.2-, 5.3-circular arc yoke plate, the two-way sunk head rivet of 5.4-,
5.5-armature, 5.6-upper conduction magnetic board, 5.7-magnetism isolating spacer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of contactor connecting capacitive element, including main static contact pedestal the 1st, pushing mechanism is the 2nd,
Arc-chutes the 3rd, resistance the 4.3rd, precharge contactor group 4 and electromagnetic mechanism 5, main static contact pedestal 1 includes circular flat board 1.4, circular flat
Being provided with air-filled pore 1.6 on plate 1.4, the center of circular flat board 1.4 is provided with instrument connection 1.5, and two active contacts 2.5 are symmetrical arranged
On the horizontal center line of circular flat board 1.4.
As shown in Figures 3 and 4, the lower section on circular flat board 1.4 surface is provided with permanent magnet 1.2, and main static contact 1.1 passes through permanent magnet
1.2, the both sides of permanent magnet 1.2 are respectively connected with one end of a magnetic conduction pole plate 1.3, and two magnetic conduction pole plates 1.3 are inserted into going out
In arc chamber 3, magnetic conduction pole plate 1.3 and permanent magnet 1.2 seamless link.
As it is shown in figure 5, be provided with arc extinguishing chamber cap 3.1 below arc-chutes 3, arc-chutes 3 include main arc extinguishing room 3.2 and two difference
It is arranged on the first secondary arc extinguishing room 3.3 and the second secondary arc extinguishing room 3.4, the top center in main arc extinguishing room 3.2 of both sides, main arc extinguishing room 3.2
Position is provided with centre bore 3.5, and the both sides of centre bore 3.5 are provided with static contact through hole 3.6, and the two ends in main arc extinguishing room 3.2 set respectively
Being equipped with the first groove 3.7 and the second groove 3.8, the first groove 3.7 and the second groove 3.8 make the first secondary arc extinguishing room 3.3 He respectively
Second secondary arc extinguishing room 3.4 is connected with main arc extinguishing room 3.2.
As shown in Figure 6, pushing mechanism 2 includes push rod 2.1 and the active contact 2.5 being arranged on push rod 2.1, actively
Contact 2.5 is arranged in main arc extinguishing room, and the upper end of push rod 2.1 is inserted in the circular hole being located in the middle of circular flat board；Set on push rod 2.1
Being equipped with the first draw-in groove, the second draw-in groove and the 3rd draw-in groove, the upper end of push rod 2.1 is provided with compression spring 2.16, compression spring 2.16
It is arranged on the first draw-in groove by the first split washer 2.2 and the first plain washer 2.3, and withstand on the first draw-in groove and main static contact
Between pedestal 1；Actively contact 2.5 is located between the first spring base and the second spring base, and actively contact 2.5 passes through the first spring base
2.4 and second spring base 2.6 be inserted in push rod 2.1, actively contact 2.5 can relative motion on push rod 2.1, the second spring base
The lower end of 2.6 is connected with one end of touch spring 2.7, and the other end of touch spring 2.7 passes through the second plain washer 2.8 and second
Split washer 2.9 is fixed on the second draw-in groove of push rod 2.1；It is provided with supporter 2.11 between second draw-in groove and the 3rd draw-in groove,
Supporter 2.11 be provided above adjustable column 2.10, the lower section of supporter 2.11 pass through the 3rd plain washer the 2.12nd, elastic washer
2.13rd, the 4th plain washer 2.14 and the 3rd split washer 2.15 are fixed on the 3rd draw-in groove；Being provided above of supporter 2.11
Wiring board 4.1, wiring board 4.1 is sleeved on push rod 2.1 by the through hole being provided with in the middle of it, and wiring board 4.1 is arranged on arc-chutes 3
And between electromagnetic mechanism 5.
As it is shown in fig. 7, precharge static contact 4.2 and the normally opened static contact 4.4 of auxiliary are arranged on wiring board 4.1, precharge
Moving contact and the normally opened moving contact of auxiliary are arranged on supporter 2.11, precharge static contact 4.2 and precharge moving contact composition one
To precharge switch；Precharge static contact 4.2 is in parallel with main contact group 1.1 after connecting with resistance 4.3；Precharge static contact 4.2
One end be connected with one end of resistance 4.3, the other end of resistance 4.3 is fixed on wiring board 4.1, on wiring board 4.1 weld
Connect the first lead-out wire, welding the second lead-out wire at precharge static contact 4.2s, the first lead-out wire and the second lead-out wire and main stationary contact
1.1 are connected.
As shown in FIG. 8 and 9, electromagnetic mechanism 5 includes upper conduction magnetic board the 5.6th, lower magnetic conductive board the 5.2nd, coil 5.1 and two blocks of yoke plates
5.3, upper conduction magnetic board 5.6 and lower magnetic conductive board 5.2 are folded riveting by two-way sunk head rivet 5.4 by two blocks of yoke plates 5.3, two yokes
Plate 5.3 is separately positioned on upper conduction magnetic board 5.6 and the two ends of lower magnetic conductive board 5.2, and yoke plate 5.3 is circular arc, and coil 5.1 is arranged
Be provided with armature 5.5 in the centre of two blocks of yoke plates 5.3, coil 5.1, armature 5.5 be provided above magnetism isolating spacer 5.7, push away
In the circular hole middle with the upper conduction magnetic board of electromagnetic mechanism 5 of the lower end of bar 2.1, and contact with magnetism isolating spacer 5.7.
After electromagnetic mechanism 5 is energized, pushing mechanism 2 promotes actively contact 2.5 to move to main static contact 1.1, described promotion
Mechanism 2 promotes precharge moving contact 4.1 to move to precharge static contact 4.2；Due to active contact 2.5 and main static contact 1.1 it
Between distance more than the distance between precharge moving contact 4.1 and precharge static contact 4.2, make precharge moving contact 4.1 and pre-
Charging static contact 4.2 is first connected, and carries out the precharge of capacitor, and then actively contact 2.5 and main static contact 1.1 close, and this connects
Tentaculum work is very reliable, stops main contact group and connects melting welding.
Above-described embodiment is only used for further illustrating a kind of contactor connecting capacitive element of the present utility model, but this
Utility model is not limited to embodiment, every any letter made above example according to technical spirit of the present utility model
Single modification, equivalent variations and modification, each fall within the protection domain of technical solutions of the utility model.
Claims (10)
1. connect a contactor for capacitive element, including main contact group, arc-chutes, pushing mechanism, resistance, precharge contactor
Group and electromagnetic mechanism,
Described main contact group includes actively contact and main static contact pedestal；
Described precharge contactor group includes precharge moving contact and precharge static contact；
Described precharge contactor group is in parallel with described main contact group with after described resistant series；
It is characterized in that, after the energising of described electromagnetic mechanism, described pushing mechanism promotes described active contact to described main static contact
Motion, simultaneously described pushing mechanism promotes described precharge moving contact to described precharge static contact motion；
Distance between described active contact and described main static contact is more than described precharge moving contact and described precharge stationary contact
Distance between Tou.
2. a kind of contactor connecting capacitive element according to claim 1, it is characterised in that described pushing mechanism bag
Include push rod and the active contact being arranged on described push rod, described push rod is provided with the first draw-in groove, the second draw-in groove and the 3rd
Draw-in groove.
3. a kind of contactor connecting capacitive element according to claim 2, it is characterised in that the upper end of described push rod
Being provided with compression spring, described compression spring is arranged on described first draw-in groove by split washer and plain washer, and withstands on
Between described first draw-in groove and described main static contact pedestal.
4. a kind of contactor connecting capacitive element according to claim 2, it is characterised in that described active contact sets
Between the first spring base and the second spring base, described active contact is inserted in institute by described first spring base and the second spring base
Stating push rod, described active contact can relative motion on described push rod, the lower end of described second spring base and touch spring
One end is connected, and the other end of described touch spring is fixed on the second draw-in groove of described push rod by plain washer and split washer
On.
5. a kind of contactor connecting capacitive element according to claim 2, it is characterised in that described second draw-in groove with
Be provided with supporter between 3rd draw-in groove, described supporter be provided above adjustable column, the lower section of described supporter is by flat
Packing ring, elastic washer, plain washer and split washer are fixed on described 3rd draw-in groove.
6. a kind of contactor connecting capacitive element according to claim 5, it is characterised in that described supporter upper
Side is provided with wiring board, and described wiring board is sleeved on described push rod by the through hole being provided with in the middle of it, and described wiring board is arranged
Between described arc-chutes and electromagnetic mechanism, described precharge static contact is arranged on described wiring board, and described preliminary filling is electronic to be touched
Head is arranged on described supporter, and described precharge static contact and described precharge moving contact partner precharge switch.
7. a kind of contactor connecting capacitive element according to claim 6, it is characterised in that described precharge stationary contact
One end of head is connected with one end of described resistance, and the other end of described resistance is fixed on described wiring board.
8. a kind of contactor connecting capacitive element according to claim 1～7 any one, it is characterised in that institute
State arc-chutes and include main arc extinguishing room and two secondary arc extinguishing rooms being separately positioned on both sides, main arc extinguishing room, the top in described main arc extinguishing room
Center is provided with centre bore, and the both sides of described centre bore are provided with static contact through hole, and the two ends in described main arc extinguishing room are respectively arranged
Having a groove, two described grooves make two described secondary arc extinguishing rooms be connected with main arc extinguishing room respectively.
9. a kind of contactor connecting capacitive element according to claim 1～7 any one, it is characterised in that institute
State electromagnetic mechanism and include upper conduction magnetic board, lower magnetic conductive board, iron core, armature, coil and two circular arc yoke plates, two described circular arcs
Described upper conduction magnetic board and described lower magnetic conductive board phase riveting are clamped by shape yoke plate by the folder riveting of two-way countersunk head, and described coil is arranged on two
The central authorities of individual garden arc yoke plate.
10. a kind of contactor connecting capacitive element according to claim 1～7 any one, it is characterised in that institute
The inside stating arc-chutes is full of by nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623042.5U CN205680627U (en) | 2016-06-22 | 2016-06-22 | A kind of contactor connecting capacitive element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620623042.5U CN205680627U (en) | 2016-06-22 | 2016-06-22 | A kind of contactor connecting capacitive element |
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| Publication Number | Publication Date |
|---|---|
| CN205680627U true CN205680627U (en) | 2016-11-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620623042.5U Expired - Fee Related CN205680627U (en) | 2016-06-22 | 2016-06-22 | A kind of contactor connecting capacitive element |
Country Status (1)
| Country | Link |
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| CN (1) | CN205680627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914107A (en) * | 2016-06-22 | 2016-08-31 | 沈阳二三控制电器制造有限公司 | Contactor connected with capacitive element |
| CN110199372A (en) * | 2017-02-01 | 2019-09-03 | 赛峰电气与电源公司 | Auxiliary switch |
-
2016
- 2016-06-22 CN CN201620623042.5U patent/CN205680627U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914107A (en) * | 2016-06-22 | 2016-08-31 | 沈阳二三控制电器制造有限公司 | Contactor connected with capacitive element |
| CN105914107B (en) * | 2016-06-22 | 2017-11-28 | 沈阳二一三控制电器制造有限公司 | A kind of contactor for connecting capacitive element |
| CN110199372A (en) * | 2017-02-01 | 2019-09-03 | 赛峰电气与电源公司 | Auxiliary switch |
| CN110199372B (en) * | 2017-02-01 | 2021-09-17 | 赛峰电气与电源公司 | Auxiliary switch |
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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: 20161109 Termination date: 20190622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |