CN105914107B - A kind of contactor for connecting capacitive element - Google Patents
A kind of contactor for connecting capacitive element Download PDFInfo
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- CN105914107B CN105914107B CN201610457504.5A CN201610457504A CN105914107B CN 105914107 B CN105914107 B CN 105914107B CN 201610457504 A CN201610457504 A CN 201610457504A CN 105914107 B CN105914107 B CN 105914107B
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- Prior art keywords
- contact
- precharge
- main
- contactor
- static contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of contactor for connecting capacitive element, including main contact group, arc-chutes, pushing mechanism, resistance, precharge contactor group and electromagnetic mechanism, the main contact group to include active contact and main static contact；The precharge contactor group includes precharge moving contact and precharge static contact；The precharge contactor group is in parallel with the main contact group with after the resistant series；After the electromagnetic mechanism is powered, the pushing mechanism promotes the active contact to be moved to the main static contact, while the pushing mechanism promotes the precharge moving contact to be moved to the precharge static contact；The distance between the active contact and the main static contact are more than the distance between the precharge moving contact and the precharge static contact.By the way that the contactor construction that designs of the present invention is compact to design, reasonable, small volume, the requirement of charging pile, novel high-power Development of Electric Vehicles can be met.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of contactor for connecting capacitive element.
Background technology
Existing single-pole dc contact, it is mainly used in electric automobile, electri forklift, the startup of battery driven vehicle, stopping
Controlled with power-switching circuit.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 contactors or its modified mostly, such as
China Patent No. be 200420037061.7,200520089587.4,20072015712.5,200720105713.X and
200720045041.8 wait disclosed D.C. contactor.And in these existing single-pole dc contacts, generally by tactile
Head both sides set permanent magnet, make electric arc rapidly come the contact that blows off, 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, it disclosure satisfy that battery operating voltage 600V requirement.Although the functional reliability of this D.C. contactor is very high, arc-extinguishing
Can be good, the shortcomings that volume is larger also be present, although being widely used on electric motor coach and electric car, but electricity can not be met
Electrical automobile increasingly requires the requirement of vehicle mounted electrical apparatus miniaturization.
In recent years, the D.C. contactor on electric automobile and electric vapour hybrid electric vehicle has commercially been used to have the patent No.
Air blowout electromagnetic type single-pole dc contact and the contact of LEV series hydrogen and nitrogen gas arc extinguishings monopolar D. C for 201110003944.0
Two kinds of products of device, although battery work 320V requirement can be met, due to electromagnetic mechanism be using the barrel-shaped yoke in garden and
The plate shaped magnetic conduction flat board piston structure in garden, the plate shaped magnetic conduction flat board surrounding in garden are coordinated with the barrel-shaped yoke surrounding in garden using small―gap suture,
Forming magnetic loop with central core, flux sleeve bucket, armature, undoubtedly leakage field is larger, and suction can not be supported to install precharge contactor and auxiliary
The demands such as contact are helped, prior art is without the direct current inflation contactor provided with precharge contactor and auxiliary contact, it is impossible to
Meet that charging pile, electric automobile further develop and proposed high performance requirement.
The content of the invention
In order to solve the shortcomings of the prior art, the invention provides a kind of contactor for connecting capacitive element, institute
The contactor stated inside it by setting the mutual cooperation of precharge contactor group and pushing mechanism, to realize the preliminary filling to electric capacity
Electricity Functional, possess the contactor of this precharge contactor group, not only design structure is more reasonable, and operating voltage monopole reaches 900V,
Control motor power (output) reaches more than 120KW, can meet the requirement of Development of Electric Vehicles increase power, can preferably be applied to electricity
The dynamical system of electrical automobile.
The technical solution adopted by the present invention is：
It is a kind of connect capacitive element contactor, including main contact group, arc-chutes, pushing mechanism, resistance, precharge touch
Head group and electromagnetic mechanism,
The main contact group includes active contact and main static contact pedestal；
The precharge contactor group includes precharge moving contact and precharge static contact；
The precharge contactor group is in parallel with the main contact group with after the resistant series；
After the electromagnetic mechanism is powered, the pushing mechanism promotes the active contact to be moved to the main static contact, together
Shi Suoshu pushing mechanisms promote the precharge moving contact to be moved to the precharge static contact；
The distance between the active contact and the main static contact are more than the precharge moving contact and the precharge
The distance between static contact.
Further, the pushing mechanism includes push rod and the active contact being arranged on the push rod, the push rod
On be provided with the first neck, the second neck and the 3rd neck.
Further, the upper end of the push rod is provided with compression spring, and the compression spring passes through split washer and plain cushion
Circle is arranged on first neck, and is opened and withstood between first neck and the main static contact pedestal.
Further, the active contact is located between the first spring base and second spring seat, and the active contact passes through
First spring base and second spring cover for seat enter the push rod, the active contact can the relative motion on the push rod,
The lower end of the second spring seat is connected with one end of touch spring, and the other end of the touch spring by plain washer and is opened
Mouth back-up ring is fixed on the second neck of the push rod.
Further, supporter is provided between second neck and the 3rd neck, the top of the supporter is set
There is adjustable column, the lower section of the supporter is fixed on the 3rd card by plain washer, elastic washer, plain washer and split washer
On groove.
Further, it is provided with wiring board above the supporter, the wiring board passes through the through hole that is provided among it
It is sleeved on the push rod, the wiring board is arranged between the arc-chutes and electromagnetic mechanism, and the precharge static contact is set
Put on the wiring board, the precharge moving contact is arranged on the supporter, the precharge static contact and described pre-
Charging electric contact partners precharge switch.
Further, it is described precharge static contact one end be connected with one end of the resistance, the resistance it is another
End is fixed on the wiring board.
Further, the arc-chutes include main arc extinguishing room and two secondary arc extinguishings for being separately positioned on main arc extinguishing room both sides
Room, the top center in the main arc extinguishing room are provided with centre bore, and the both sides of the centre bore are provided with static contact through hole, described
The both ends in main arc extinguishing room are each provided with a groove, and two grooves make two secondary arc extinguishing rooms and main arc extinguishing room phase respectively
UNICOM.
Further, the electromagnetic mechanism includes upper conduction magnetic board, lower magnetic conductive board, iron core, armature, coil and two circular arcs
Yoke plate, two circular arc yoke plates press from both sides riveting by two-way countersunk head and press from both sides the upper conduction magnetic board and the lower magnetic conductive board phase riveting
Tightly, the coil is arranged on the center of two garden arc yoke plates.
Further, the inside of the arc-chutes is full of by nitrogen.
Beneficial effects of the present invention are：It is of the invention to propose control capacitive load for the first time, no longer using precharge relay
Device adds 50 Ω resistance to be used for high current when limiting capacitance device starts to charge up, for up to 100ms conventional method, proposition master
The contact of paying of contactor in itself replaces the method for pre-charge-relay.
A kind of contactor for connecting capacitive element is devised by the present invention, is using precharge contactor group as to electric capacity
Precharge switch, electromagnetic mechanism be powered after, pushing mechanism promote active contact moved to main static contact, the pushing mechanism pushes away
Dynamic precharge moving contact moves to precharge static contact；Because the distance between active contact and main static contact are electronic more than preliminary filling
The distance between contact and precharge static contact, make the precharge contactor of series limiting resistor first connect, then main contact group is closed
Close, the work of this contactor is very safe and reliable, and can reduce control system of electric automobile one pre-charge-relay, resistor
And its control program.
The present invention presss from both sides riveting using plate type electromagnetic system bidirectional countersunk head for the first time in the cylindricality electromagnetic mechanism structure design of garden
Technology, magnetic Circuit Design is set to reach seamless connection, structure is compacter, reasonable, small volume, suction are big, makes electric automobile and with filling
The direct current inflation contactor of electric stake, while can have pre-charging device（Including built-in resistor device）, can be wide with auxiliary contact group
It is general to meet the needs of charging pile and novel high-power Development of Electric Vehicles.
Brief description of the drawings
Fig. 1 is a kind of front view of single-pole dc contact of present example embodiment；
Fig. 2 is a kind of top view of single-pole dc contact of present example embodiment；
Fig. 3 is the front view of the main static contact pedestal of present example embodiment；
Fig. 4 is the top view of the main static contact pedestal of present example embodiment；
Fig. 5 is the structural representation of the arc-chutes of present example embodiment；
Fig. 6 is the structural representation of the pushing mechanism of present example embodiment；
Fig. 7 is the structural representation of the wiring board of present example embodiment；
Fig. 8 is the front view of the electromagnetic mechanism of present example embodiment；
Fig. 9 is the top view of the electromagnetic mechanism of present example embodiment.
In figure：The main static contact pedestals of 1-, 1.1- static contacts, 1.2- permanent magnets, 1.3- magnetic conduction pole plates, 1.4- circle flat boards,
1.5- instrument connections, 1.6- air-filled pores;
2- pushing mechanisms, 2.1- push rods, the split washers of 2.2- first, the plain washers of 2.3- first, the spring bases of 2.4- first,
2.5- moving contacts, 2.6- second spring seats, 2.7- touch springs, the plain washers of 2.8- second, the split washers of 2.9- second, 2.10-
Adjustable column, 2.11- supporting assemblies, the plain washers of 2.12- the 3rd, 2.13- elastic washers, the plain washers of 2.14- the 4th, 2.15- the 3rd
Split washer, 2.16- compression springs；
3- arc-chutes, 3.1- cover plates, the main arc extinguishing rooms of 3.2-, the secondary arc extinguishing rooms of 3.3- first, the secondary arc extinguishing rooms of 3.4- second, 3.5-
Centre bore, 3.6- static contact through holes, the grooves of 3.7- first, the grooves of 3.8- second；
4- precharge contactor groups, 4.1- wiring boards, 4.2- precharge static contacts, 4.3- resistance, 4.4- aid in normally opened stationary contact
Head；
5- electromagnetic mechanisms, 5.1- coils, magnetic conductive board under 5.2-, 5.3- circular arc yoke plates, the two-way sunk head rivets of 5.4-,
5.5- armature, 5.6- upper conduction magnetic boards, 5.7- magnetism isolating spacers.
Embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail
Embodiment 1
As shown in Figure 1 and Figure 2, it is a kind of connect capacitive element contactor, including main static contact pedestal 1, pushing mechanism 2,
Arc-chutes 3, resistance 4.3, precharge contactor group 4 and electromagnetic mechanism 5, main static contact pedestal 1 include circular flat board 1.4, circular flat
Air-filled pore 1.6 is provided with 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 the circular surface of flat board 1.4 is provided with permanent magnet 1.2, and main static contact 1.1 passes through permanent magnet
1.2, the one end of the both sides of permanent magnet 1.2 respectively with a magnetic conduction pole plate 1.3 is connected, and two magnetic conduction pole plates 1.3 are inserted into and gone out
In arc chamber 3, magnetic conduction pole plate 1.3 is seamlessly connected with permanent magnet 1.2.
As shown in figure 5, the lower section of arc-chutes 3 is provided with arc extinguishing chamber cap 3.1, arc-chutes 3 include main arc extinguishing room 3.2 and two difference
It is arranged on the first secondary 3.3 and second secondary arc extinguishing room 3.4 of arc extinguishing room of the main both sides of arc extinguishing room 3.2, the top center in 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 both ends in main arc extinguishing room 3.2 are set respectively
The first groove 3.7 and the second groove 3.8 are equipped with, the first groove 3.7 and the second groove 3.8 make the first secondary He of arc extinguishing room 3.3 respectively
Second secondary arc extinguishing room 3.4 is connected with main arc extinguishing room 3.2.
As shown in fig. 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 insertion of push rod 2.1 is in the circular hole among circular flat board；Set on push rod 2.1
The first neck, the second neck and the 3rd neck are equipped with, the upper end of push rod 2.1 is provided with compression spring 2.16, compression spring 2.16
It is arranged on by the first split washer 2.2 and the first plain washer 2.3 on the first neck, and opens and withstand on the first neck and main static contact
Between pedestal 1；Active contact 2.5 is located between the first spring base and second spring seat, and active contact 2.5 passes through the first spring base
2.4 and second spring seat 2.6 be inserted in push rod 2.1, active contact 2.5 can the relative motion on push rod 2.1, second spring seat
2.6 lower end 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 neck of push rod 2.1；Supporter 2.11 is provided between second neck and the 3rd neck,
The top of supporter 2.11 is provided with adjustable column 2.10, and the lower section of supporter 2.11 passes through the 3rd plain washer 2.12, elastic washer
2.13rd, the 4th plain washer 2.14 and the 3rd split washer 2.15 are fixed on the 3rd neck；The top of supporter 2.11 is provided with
Wiring board 4.1, wiring board 4.1 are sleeved on push rod 2.1 by the through hole being provided among it, and wiring board 4.1 is arranged on arc-chutes 3
Between electromagnetic mechanism 5.
As shown in fig. 7, precharge static contact 4.2 and the normally opened static contact 4.4 of auxiliary are set in assist side 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 being connected with resistance 4.3；It is pre-charged static contact 4.2
One end be connected with one end of resistance 4.3, the other end of resistance 4.3 is fixed in assist side 4.1, is welded in assist side 4.1
The first lead-out wire is connect, the second lead-out wire, the first lead-out wire and the second lead-out wire and main stationary contact are welded at precharge static contact 4.2
First 1.1 are connected.
As shown in FIG. 8 and 9, electromagnetic mechanism 5 includes upper conduction magnetic board 5.6, lower magnetic conductive board 5.2, 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, two yokes by two blocks of yoke plates 5.3 by two-way sunk head rivet 5.4
Plate 5.3 is separately positioned on the two ends of upper conduction magnetic board 5.6 and lower magnetic conductive board 5.2, and yoke plate 5.3 is circular arc, and coil 5.1 is set
In the centre of two blocks of yoke plates 5.3, armature 5.5 is provided with coil 5.1, the top of armature 5.5 is provided with magnetism isolating spacer 5.7, pushed away
In circular hole among the lower end of bar 2.1 and the upper conduction magnetic board of electromagnetic mechanism 5, and it is in contact with magnetism isolating spacer 5.7.
After electromagnetic mechanism 5 is powered, pushing mechanism 2 promotes active contact 2.5 to be moved to main static contact 1.1, the promotion
Mechanism 2 promotes precharge moving contact 4.1 to be moved to precharge static contact 4.2；Due to active contact 2.5 and main static contact 1.1 it
Between distance be more than precharge moving contact 4.1 and precharge the distance between 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, then active contact 2.5 and main static contact 1.1 close, and this connects
Tentaculum work is very reliable, prevents main contact group and connects melting welding.
Above-described embodiment is only used for further illustrating a kind of contactor of connection capacitive element of the present invention, but the present invention
Embodiment is not limited to, every any simple modification made according to technical spirit of the invention to above example, is equal
Change and modification, each fall within the protection domain of technical solution of the present invention.
Claims (5)
1. a kind of contactor for connecting capacitive element, including main contact group, arc-chutes, pushing mechanism, resistance, precharge contactor
Group and electromagnetic mechanism,
The main contact group includes active contact, main static contact and main static contact pedestal；
The precharge contactor group includes precharge moving contact and precharge static contact；
The precharge contactor group is in parallel with the main contact group with after the resistant series；
Characterized in that, after the electromagnetic mechanism is powered, the pushing mechanism promotes the active contact to the main static contact
Motion, while the pushing mechanism promotes the precharge moving contact to be moved to the precharge static contact；
The distance between the active contact and the main static contact are more than the precharge moving contact and the precharge stationary contact
The distance between head；
The pushing mechanism includes push rod and the active contact being arranged on the push rod, and first is provided with the push rod
Neck, the second neck and the 3rd neck；
The upper end of the push rod is provided with compression spring, and the compression spring is arranged on described by split washer and plain washer
On one neck, and open and withstand between first neck and the main static contact pedestal；
The active contact is located between the first spring base and second spring seat, and the active contact passes through first spring base
Enter the push rod with second spring cover for seat, the active contact can the relative motion on the push rod, the second spring seat
Lower end be connected with one end of touch spring, the other end of the touch spring is fixed on institute by plain washer and split washer
State on the second neck of push rod；
Supporter is provided between second neck and the 3rd neck, adjustable column is provided with above the supporter, it is described
The lower section of supporter is fixed on the 3rd neck by plain washer, elastic washer, plain washer and split washer；
Wiring board is provided with above the supporter, the wiring board is sleeved on the push rod by the through hole being provided among it
On, the wiring board is arranged between the arc-chutes and electromagnetic mechanism, and the precharge static contact is arranged on the wiring board
On, the precharge moving contact is arranged on the supporter, the precharge static contact and the precharge moving contact composition
A pair of precharge switch.
A kind of 2. contactor for connecting capacitive element according to claim 1, it is characterised in that the precharge stationary contact
One end of head is connected with one end of the resistance, and the other end of the resistance is fixed on the wiring board.
3. the contactor of any connection capacitive element according to claim 1-2, it is characterised in that the arc extinguishing
Room includes main arc extinguishing room and two secondary arc extinguishing rooms for being separately positioned on main arc extinguishing room both sides, the top center position in the main arc extinguishing room
Centre bore is installed, the both sides of the centre bore are provided with main static contact through hole, and the both ends in the main arc extinguishing room are each provided with one
Individual groove, two grooves make two secondary arc extinguishing rooms be connected with main arc extinguishing room respectively.
4. the contactor of any connection capacitive element according to claim 1-2, it is characterised in that the electromagnetism
Mechanism includes upper conduction magnetic board, lower magnetic conductive board, iron core, armature, coil and two circular arc yoke plates, two circular arc yokes
Plate presss from both sides riveting by two-way countersunk head and clamps the upper conduction magnetic board and the lower magnetic conductive board phase riveting, and the coil is arranged on two circular arcs
The center of shape yoke plate.
5. the contactor of any connection capacitive element according to claim 1-2, it is characterised in that the arc extinguishing
The inside of room is full of by nitrogen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610457504.5A CN105914107B (en) | 2016-06-22 | 2016-06-22 | A kind of contactor for connecting capacitive element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457504.5A CN105914107B (en) | 2016-06-22 | 2016-06-22 | A kind of contactor for connecting capacitive element |
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| CN105914107A CN105914107A (en) | 2016-08-31 |
| CN105914107B true CN105914107B (en) | 2017-11-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379997B (en) * | 2017-08-04 | 2018-10-19 | 诸暨市志缇生物科技有限公司 | A kind of new-energy automobile device |
| CN109256300B (en) * | 2018-11-14 | 2024-03-22 | 沈阳二一三控制电器制造有限公司 | Bipolar direct current contactor of nonpolar ceramic seal |
| CN113936963A (en) * | 2021-10-20 | 2022-01-14 | 沈阳二一三控制电器制造有限公司 | Contact assembly and direct current contactor |
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|---|---|---|---|---|
| DE3743244A1 (en) * | 1987-12-19 | 1989-06-29 | Asea Brown Boveri | Switching apparatus arrangement for connecting and disconnecting capacitors |
| CN1701405A (en) * | 2003-04-03 | 2005-11-23 | 西门子公司 | Electromechanical switch equipment |
| CN101438364A (en) * | 2006-05-12 | 2009-05-20 | 欧姆龙株式会社 | Electromagnetic relay |
| CN102262981A (en) * | 2011-01-11 | 2011-11-30 | 沈阳二一三控制电器制造有限公司 | Bipolar DC contactor |
| CN103038850A (en) * | 2010-07-28 | 2013-04-10 | 沙尔特宝有限公司 | Electrical contactor |
| CN205680627U (en) * | 2016-06-22 | 2016-11-09 | 沈阳二一三控制电器制造有限公司 | A kind of contactor connecting capacitive element |
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2016
- 2016-06-22 CN CN201610457504.5A patent/CN105914107B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3743244A1 (en) * | 1987-12-19 | 1989-06-29 | Asea Brown Boveri | Switching apparatus arrangement for connecting and disconnecting capacitors |
| CN1701405A (en) * | 2003-04-03 | 2005-11-23 | 西门子公司 | Electromechanical switch equipment |
| CN101438364A (en) * | 2006-05-12 | 2009-05-20 | 欧姆龙株式会社 | Electromagnetic relay |
| CN103038850A (en) * | 2010-07-28 | 2013-04-10 | 沙尔特宝有限公司 | Electrical contactor |
| CN102262981A (en) * | 2011-01-11 | 2011-11-30 | 沈阳二一三控制电器制造有限公司 | Bipolar DC contactor |
| CN205680627U (en) * | 2016-06-22 | 2016-11-09 | 沈阳二一三控制电器制造有限公司 | A kind of contactor connecting capacitive element |
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| CN105914107A (en) | 2016-08-31 |
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