CN107230584B - A kind of high-current supply relay - Google Patents

A kind of high-current supply relay Download PDF

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Publication number
CN107230584B
CN107230584B CN201710609020.2A CN201710609020A CN107230584B CN 107230584 B CN107230584 B CN 107230584B CN 201710609020 A CN201710609020 A CN 201710609020A CN 107230584 B CN107230584 B CN 107230584B
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China
Prior art keywords
pair
arc
static contact
contact
arm section
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CN201710609020.2A
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Chinese (zh)
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CN107230584A (en
Inventor
温作锐
蔡文明
杨鹏
汤海晨
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Wenzhou Jinhong Electrical Appliance Co ltd
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Zhejiang Industry and Trade Vocational College
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Priority to CN201710609020.2A priority Critical patent/CN107230584B/en
Publication of CN107230584A publication Critical patent/CN107230584A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/36Stationary parts of magnetic circuit, e.g. yoke
    • H01H50/38Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

The invention discloses a kind of high-current supply relays, including shell, electromagnetic system, a pair of of static contact, armature, movable contact spring, arc-control device and conductive soft copper silk, the electromagnetic system to be arranged in the shell;The static contact is removably arranged on the housing;The armature is slidably arranged on the shell;The movable contact spring is connected on the armature, and the movable contact spring is equipped with a pair of of moving contact, and a pair of of moving contact is arranged in a one-to-one correspondence with a pair of of static contact;The arc-control device is removably disposed between a pair of of static contact, reduces the loss of a pair of of moving contact and a pair of of static contact on a pair of of static contact;One end of the conduction soft copper silk is connect with a moving contact, and the other end of the conduction soft copper silk is connect with connecting terminal.It is an advantage of the invention that the service life is long, reliable operation can carry high-voltage large current.

Description

A kind of high-current supply relay
Technical field
The present invention relates to relay technical fields, and in particular to a kind of high-current supply relay.
Background technique
It is corresponding to automobile relay especially in recent years to the development of new-energy automobile with the fast development of car industry Device also proposed new requirement, and such as high capacity of current 100A~300A, even more greatly, coil voltage is also mentioned from 12VDC/24VDC Height arrive 42VDC, load voltage be even more height arrive 400VDC etc., thus produce to relay construction and it is more technologic newly want It asks, fever is avoided extremely seriously to make relay promptly aging, avoid electric arc from accelerating contact loss, shorten the longevity of relay Life.
Prior art China patent CN201010133933.X discloses a kind of high-current relay, including electromagnetic system, Contact system, pedestal and housing, the electromagnetic system include yoke, armature, coil and iron core, and the contact system includes Movable contact spring, input terminal and outlet terminal, the movable contact spring are fixedly connected with armature, and movable contact spring includes first connecting portion and Two interconnecting pieces, first connecting portion and armature fitting, second connecting portion are stretched out outside armature, are distributed two dynamic touchings in second connecting portion Stationary contact is respectively set with copper litz wire connection two movable contacts in point on input terminal and outlet terminal, and two Movable contact and two stationary contacts are opposite one by one.When coil is attracted, armature drives movable contact spring movement, and load current flows through end of incoming cables Sub, one of stationary contact, one of movable contact, copper litz wire, another movable contact, another stationary contact, outlet Terminal, wherein copper litz wire is connected between two movable contacts, although the yoke for avoiding electric current from flowing into high resistivity makes its fever Seriously, but two movable contacts generation heats can also transmit relay, make its temperature rise, to influence the service life of relay; Meanwhile contact and extinguishing arc are carried out by contact in the prior art, in continuous attracting process, contact is constantly consumed, and is caused Relay life shortens.
Therefore, it is necessary to provide in view of the above defects of the prior art, a kind of service life is long, and reliable operation can carry High-voltage large current, and can solve and lead to the problem of the big electricity that arc erosion contact causes relay life to shorten in relay actuation Flow power supply relay.
Summary of the invention
To achieve the goals above, the present invention provides a kind of high-current supply relays.
To achieve the above object, the invention provides the following technical scheme:
A kind of high-current supply relay, including shell, further includes:
Electromagnetic system, the electromagnetic system are arranged in the shell;
A pair of of static contact, the static contact are removably arranged on the housing;
Armature, the armature are slidably arranged on the shell;
Movable contact spring, the movable contact spring are connected on the armature, and the movable contact spring is equipped with a pair of of moving contact, the dynamic touching of a pair Head is arranged in a one-to-one correspondence with a pair of of static contact;
Arc-control device, the arc-control device are removably disposed between a pair of of static contact, reduce a pair of of moving contact and The loss of a pair of of static contact on a pair of of static contact;
One end of conductive soft copper silk, the conduction soft copper silk is connect with a moving contact, the other end of the conduction soft copper silk It is connect with connecting terminal.
Further, the static contact further includes conductive base, and the two sides of the conductive base are respectively provided with a convex block, and one is convex Block is coupled with corresponding groove on the shell is located at, and another convex block is kept out corresponding on the arc-control device In bayonet, and the static contact is connected on the upper surface of the conductive base.
Further, the arc-control device includes connecting plate and a pair of of cantilever arm, and the both ends of the connecting plate are equipped with Cantilever arm, and a pair of of cantilever arm is oppositely arranged, and at least one cantilever arm is movably connected on the connecting plate by torsional spring.
Further, the cantilever arm includes that straight arm section and a pair first on the lateral surface of the straight arm section are convex Tooth, the second double wedge, the straight arm section are connected on the connecting plate, a pair of first double wedge along the straight arm section cross direction profiles, Second double wedge is located between a pair of first double wedge, and second double wedge is along the vertical misalignment certain distance of the straight arm section Bayonet is formed between a pair of first double wedge.
Further, the straight arm section further includes several arc extinguishing boards, and the arc extinguishing board is removably equipped with described On the lateral surface of straight arm section, several arc extinguishing boards are arranged successively setting along the longitudinal direction of the straight arm section, and the arc extinguishing board is described in Straight arm section is laterally extended.
Further, the straight arm section is equipped with several strip-shaped holes, the convex block of the arc extinguishing board and corresponding bar shaped Hole, which is coupled, makes the arc extinguishing board link together with the straight arm section.
Further, the two sides of the convex block are respectively provided with an elastic slice, and the elastic slice keeps out the side wall in the strip-shaped hole On.
Further, one end of the movable contact spring is equipped with a pair of of linking arm, forms U-lag between a pair of of linking arm, and one Moving contact is arranged on a pair of of linking arm, the setting of the U-lag passes through the movable contact spring convenient for the arc-control device.
It can be seen from the above technical scheme that extending relay it is an advantage of the invention that the static contact is conveniently replaced The service life of device;Backplate quantity of going out on the arc-control device is adjustable, can satisfy the use of various voltages, arc quenching effect It is good, contact loss is reduced, the service life of relay is extended;The connection type of the conduction soft copper silk was using relay Only one movable contact generates heat in journey, greatly reduces the temperature rise of relay, extends the service life of relay.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention. Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
Figure of description is used to provide further understanding of the present invention, and constitutes a part of the invention, and of the invention shows Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the scheme of installation of static contact of the invention.
Fig. 3 is the schematic perspective view of arc-control device of the invention.
Fig. 4 is the connection schematic diagram of movable contact spring and conductive soft copper silk of the invention.
Fig. 5 is the structural schematic diagram of arc extinguishing board of the invention.
In the figure, it is marked as shell 1, stabilizer blade 11, block 12, installation cavity 13, electromagnetic system 2, static contact 3, conductive base 31, It is static contact 32, convex block 33, armature 4, movable contact spring 5, U-lag 51, linking arm 52, arc-control device 6, connecting plate 61, cantilever arm 62, straight Arm section 621, the first double wedge 622, the second double wedge 623, bayonet 624, strip-shaped hole 625, arc extinguishing board 626, stripe board 6261, convex block 6262, elastic slice 6263, torsional spring 63, moving contact 7, conductive soft copper silk 8.
Specific embodiment
It should be noted that in the absence of clear limitations or conflicts, the spy in each embodiment of the invention Sign can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to figs. 1 to Fig. 5, a kind of high-current supply relay as shown in Figure 1 and Figure 4, including shell 1, electromagnetic system 2, a pair of of static contact 3, armature 4, movable contact spring 5, arc-control device 6, a pair of of moving contact 7 and conductive soft copper silk 8, the shell 1 are in U Shape, the U-shaped that the shell 1 is arranged in the electromagnetic system 2 is intracavitary, and the both ends of the electromagnetic system 2 and the shell 1 is interior Wall links together, and the static contact 3 is removably arranged in the installation cavity 13 of the outer wall of the shell 1, the rank Iron 4 is slidably arranged on the shell 1, and the glide direction of the armature 4 is parallel with the axial direction of the electromagnetic system 2, The movable contact spring 5 is fixedly connected on the armature 4, and the movable contact spring 5 is equipped with a pair of of moving contact 7, a pair of of moving contact 7 and one Static contact 3 is arranged in a one-to-one correspondence, the arc-control device 6 is removably disposed between a pair of of static contact 3, the conduction soft copper One end of silk 8 is connect with a moving contact 7, and the other end of the conduction soft copper silk 8 is connect with connecting terminal, when a pair of of moving contact 7 When connecting with a pair of of static contact 3, the moving contact 7 is contacted with the static contact 32 being located on corresponding static contact 3, load current stream Through input terminal, one of static contact 32, one of moving contact 7, conductive soft copper silk 8, outlet terminal, due to conductive soft copper Silk 8 is connected between a movable contact and outlet terminal, and the yoke for avoiding electric current from flowing into high resistivity keeps its fever serious, while only There is a movable contact to generate heat, greatly reduces the temperature rise of relay, wherein several stabilizer blades 11 are additionally provided on the shell 1, Convenient for the installation of the relay.
As shown in Figures 2 and 3, a pair of of block 12 and described on outer wall of the installation cavity 13 by being located at the shell 1 The outer wall of shell 1 forms, and the static contact 3 further includes conductive base 31, and the static contact 32 is connected to the conductive base 31 Upper surface on, wherein the two sides of the conductive base 31 are respectively provided with a convex block 33, a convex block 33 and the side for being located at a block 12 Corresponding groove is coupled on wall, and another convex block 33 is kept out in the corresponding bayonet 624 being located on the arc-control device 6, Since the arc-control device 6 is detachable, the static contact 3 can be pulled up and be replaced when the arc-control device 6 is removed.
The arc-control device 6 includes connecting plate 61 and a pair of of cantilever arm 62, and the both ends of the connecting plate 61 are equipped with stretching Arm 62, and a pair of of cantilever arm 62 is oppositely arranged, and at least one cantilever arm 62 is movably connected in the connection by torsional spring 63 On plate 61, the setting of the torsional spring 63 makes a pair of of cantilever arm 62 in normal open configuration, can make the static contact 3 and the block 12 reliable connections, stirring rotatable cantilever arm 62 is detached from the arc-control device 6 with the static contact 3, convenient for described quiet Contact 3 is replaced, and auxiliary tool is not needed in replacement process.
Preferably, only one cantilever arm 62 is flexibly connected by torsional spring 63 on the arc-control device 6 in the present embodiment On the connecting plate 61.
The cantilever arm 62 includes straight arm section 621 and the first double wedge of a pair on the lateral surface of the straight arm section 621 622, the second double wedge 623, the straight arm section 621 are connected on the connecting plate 61, and a pair of first double wedge 622 is along the straight arm section 621 cross direction profiles, second double wedge 623 is located between a pair of first double wedge 622, and second double wedge 623 is along described Bayonet 624 is formed between the vertical misalignment certain distance of straight arm section 621 and a pair of first double wedge 622, when the bayonet 624 and institute When stating the engaging of convex block 33, a pair of first double wedge 622 is kept out on the same side of the convex block 33, and second double wedge 623 supports Gear is on the another side of the convex block 33.
As shown in Figure 3 and Figure 5, the straight arm section 621 further includes several arc extinguishing boards 626, and the arc extinguishing board 626 is detachable Ground is equipped on the lateral surface of the straight arm section 621, several arc extinguishing boards 626 are arranged successively along the longitudinal direction of the straight arm section 621 Setting, being laterally extended along the straight arm section 621 of arc extinguishing board 626, the arc extinguishing board 626 are detachably connected and can arbitrarily adjust The density of the arc extinguishing board 626 deacclimatize it is different use voltage, not waste of resource while making the arc quenching effect reach best subtracts The small loss of a pair of of moving contact 7 and a pair of of static contact 32 on a pair of of static contact 3, extend the relay uses the longevity Life.
The arc extinguishing board 626 includes stripe board 6261 and the convex block 6262 being connected in the stripe board 6261, described straight Arm section 621 is equipped with several strip-shaped holes 625, and the convex block 6262 is coupled with corresponding strip-shaped hole 625 makes the arc extinguishing Plate 626 links together with the straight arm section 621, wherein the two sides of the convex block 6262 are respectively provided with an elastic slice 6263, the bullet The lower end of piece 6263 is welded on the convex block 6262, and the upper end of the elastic slice 6263 extends to the stripe board 6261, simultaneously The upper end of the elastic slice 6263 extends to outside the convex block 6262, when the convex block 6262 cooperates with the strip-shaped hole 625, institute It states elastic slice 6263 to keep out on the side wall of the strip-shaped hole 625, increase between the arc extinguishing board 626 and the strip-shaped hole 625 Frictional force is reliably mounted on the arc extinguishing board 626 on the straight arm section 621, and only needs to plug during adjusting, Auxiliary tool is not needed, operating process is convenient, quick.
As shown in figure 4, one end of the movable contact spring 5 is equipped with a pair of of linking arm 52, U-shaped is formed between a pair of of linking arm 52 Slot 51, a pair of of moving contact 7 are arranged on a pair of of linking arm 52, and the setting of the U-lag 51 passes through institute convenient for the arc-control device 6 State movable contact spring 5, it is ensured that the arc extinguishing board 626 between gap between the moving contact 7 and the static contact 3 is evenly distributed, extinguishing arc Effect is good.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (6)

1. a kind of high-current supply relay, including shell (1), which is characterized in that further include:
Electromagnetic system (2), electromagnetic system (2) setting is in the shell (1);
A pair of of static contact (3), the static contact (3) are removably arranged on the shell (1);
Armature (4), the armature (4) are slidably arranged on the shell (1);
Movable contact spring (5), the movable contact spring (5) are connected on the armature (4), and the movable contact spring (5) is equipped with a pair of of moving contact (7), a pair of of moving contact (7) is arranged in a one-to-one correspondence with a pair of of static contact (3);
Arc-control device (6), the arc-control device (6) are removably disposed between a pair of of static contact (3), reduce a pair of dynamic touching The loss of head (7) and a pair of of the static contact (32) being located on a pair of of static contact (3), wherein the arc-control device (6) includes connection Plate (61) and a pair of of cantilever arm (62), the both ends of the connecting plate (61) are equipped with cantilever arm (62), and a pair of of cantilever arm (62) It is oppositely arranged, and at least one cantilever arm (62) is movably connected on the connecting plate (61) by torsional spring (63), it is described to stretch Arm (62) includes straight arm section (621) and the first double wedge of a pair (622) being located on the lateral surface of the straight arm section (621), the out Two double wedges (623), the straight arm section (621) are connected on the connecting plate (61), and a pair of first double wedge (622) is along the straight-arm The cross direction profiles of section (621), second double wedge (623) is located between a pair of first double wedge (622), and second double wedge (623) bayonet (624) are formed between the vertical misalignment certain distance of the straight arm section (621) and a pair of first double wedge (622);
One end of conductive soft copper silk (8), the conduction soft copper silk (8) is connect with a moving contact (7), the conduction soft copper silk (8) The other end connect with connecting terminal.
2. high-current supply relay according to claim 1, which is characterized in that the static contact (3) further includes conduction The two sides of pedestal (31), the conductive base (31) are respectively provided with a convex block (33), a convex block (33) be located at the shell (1) on Corresponding groove is coupled, and another convex block (33) is kept out in the corresponding bayonet (624) being located on the arc-control device (6) It is interior, and the static contact (32) is connected on the upper surface of the conductive base (31).
3. high-current supply relay according to claim 1, which is characterized in that the straight arm section (621) is if further include Dry arc extinguishing board (626), the arc extinguishing board (626) are removably equipped on the lateral surface of the straight arm section (621), several Arc extinguishing board (626) is arranged successively setting along the longitudinal direction of the straight arm section (621), and the arc extinguishing board (626) is along the straight arm section (621) be laterally extended.
4. high-current supply relay according to claim 3, which is characterized in that the straight arm section (621) is if be equipped with A dry strip-shaped hole (625), described in the convex block (6262) of the arc extinguishing board (626) is coupled with corresponding strip-shaped hole (625) and makes Arc extinguishing board (626) links together with the straight arm section (621).
5. high-current supply relay according to claim 4, which is characterized in that the two sides of the convex block (6262) are respectively set Have an elastic slice (6263), the elastic slice (6263) is kept out on the side wall of the strip-shaped hole (625).
6. high-current supply relay according to claim 1, which is characterized in that set on one end of the movable contact spring (5) Have a pair of of linking arm (52), form U-lag (51) between a pair of of linking arm (52), a pair of of moving contact (7) setting is connected in a pair On arm (52), the setting of the U-lag (51) passes through the movable contact spring (5) convenient for the arc-control device (6).
CN201710609020.2A 2017-07-25 2017-07-25 A kind of high-current supply relay Active CN107230584B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710609020.2A CN107230584B (en) 2017-07-25 2017-07-25 A kind of high-current supply relay

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Application Number Priority Date Filing Date Title
CN201710609020.2A CN107230584B (en) 2017-07-25 2017-07-25 A kind of high-current supply relay

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CN107230584B true CN107230584B (en) 2018-12-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109741993A (en) * 2019-02-15 2019-05-10 东莞市中汇瑞德电子股份有限公司 A kind of miniature electro-magnetic relay of high current
TWI680483B (en) * 2019-07-03 2019-12-21 百容電子股份有限公司 Electromagnetic relay

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101807492A (en) * 2010-03-23 2010-08-18 乐清市金川电子有限公司 Large-current relay
CN201708095U (en) * 2010-02-10 2011-01-12 浙江亚洲龙继电器有限公司 High-power relay
CN102509671A (en) * 2011-10-10 2012-06-20 浙江亚洲龙继电器有限公司 Relay with arc quenching devices
CN105244233A (en) * 2015-10-15 2016-01-13 首瑞(天津)电气设备有限公司 Moving contact push mechanism of magnetic latching relay
CN205384992U (en) * 2016-03-01 2016-07-13 厦门普利得汽车电子有限公司 Electromagnetic relay of heavy load
CN206322643U (en) * 2016-11-21 2017-07-11 浙江正泰电器股份有限公司 Electromagnetic relay

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201708095U (en) * 2010-02-10 2011-01-12 浙江亚洲龙继电器有限公司 High-power relay
CN101807492A (en) * 2010-03-23 2010-08-18 乐清市金川电子有限公司 Large-current relay
CN102509671A (en) * 2011-10-10 2012-06-20 浙江亚洲龙继电器有限公司 Relay with arc quenching devices
CN105244233A (en) * 2015-10-15 2016-01-13 首瑞(天津)电气设备有限公司 Moving contact push mechanism of magnetic latching relay
CN205384992U (en) * 2016-03-01 2016-07-13 厦门普利得汽车电子有限公司 Electromagnetic relay of heavy load
CN206322643U (en) * 2016-11-21 2017-07-11 浙江正泰电器股份有限公司 Electromagnetic relay

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Effective date of registration: 20230831

Address after: No. 10 Yongxing Second Road, Chengdong Industrial Functional Zone, Leqing City, Wenzhou City, Zhejiang Province, 325600 (within Zhejiang Zhenfa Electrical Appliances Co., Ltd.)

Patentee after: WENZHOU JINHONG ELECTRICAL APPLIANCE CO.,LTD.

Address before: 325000 No. 1 Incubator Building, Science Park, Wenzhou National University, No. 38 Dongfangnan Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province

Patentee before: ZHEJIANG INDUSTRY & TRADE VACATIONAL College