CN104362044B - Relay capable of preventing large-current contact separation - Google Patents
Relay capable of preventing large-current contact separation Download PDFInfo
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- CN104362044B CN104362044B CN201410589191.XA CN201410589191A CN104362044B CN 104362044 B CN104362044 B CN 104362044B CN 201410589191 A CN201410589191 A CN 201410589191A CN 104362044 B CN104362044 B CN 104362044B
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- movable contact
- contact spring
- still
- contact
- armature
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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
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- 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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- Electromagnets (AREA)
Abstract
A relay capable of preventing large-current contact separation comprises a shell, a contact system, an electromagnetic system and pushing part, wherein the contact system, the electromagnetic system and the pushing part are arranged in the shell. The contact system comprises a static piece provided with a static contact and a movable contact spring provided with a movable contact; the movable contact spring is connected with the pushing part which is connected with the electromagnetic system, the electromagnetic system drives the movable contact spring to swing through the pushing part to have the movable contact and the static contact separated or jointed, the static piece is of a U-shaped structure, the static contact is arranged on the inner wall of the U-shaped structure, the movable contact spring extends into the cavity of the U-shaped structure, the movable contact is arranged corresponding to the static contact 106, and the direction of electrodynamic force F is the direction from the movable contact to the static contact when the contact system is closed. The relay is simple in structure and low in cost; by the arrangement of the static piece of the U-shaped structure, the electrodynamic force F is enabled to push the movable contact to press the static contact when the contact system is closed, and problems about the contact separation and bouncing of the contacts during large current can be effectively solved.
Description
Technical field
The present invention relates to relay, especially relate to a kind of electromagnetic relay preventing high current contact separation.
Background technology
Magnetic latching relay is a kind of new type of relay, the same with other electromagnetic relays, plays turn on automatically to circuit
And cutting action.The normally closed or normally open of magnetic latching relay is entirely to rely on the effect of permanent-magnet steel, its on off state
Conversion is to complete by the pulse electrical signal triggering of one fixed width.With the development of electric energy meter, magnetic latching relay has become
For vitals indispensable in electric energy meter.The dash current that electric energy meter magnetic latching relay requires is more than 30 times of volume
Determine electric current, the electric power that traditional magnetic latching relay structure of contact terminal exists is contact repulsion, electronic in impulse current test
Power can make contact can be easily separated；In addition, electric power increased spring probability, the particularly big Ampere currents of folding when product closes
When, spring substantially, increased arc erosion.There is one kind in the closing of contact in prior art, by the second lead-out tablet and dynamic spring
The piece sense of current is contrary and mutually produces magnetic field, and this magnetic field makes movable contact spring produce electromagnetic force and promotes force direction with push card generation
Identical, but this scenario-frame is complicated, the contact force excessive risk causing contact bonding when there is overload test.
Content of the invention
It is an object of the invention to overcoming the defect of prior art, provide that a kind of structure is simple, low cost prevent big electricity
The electromagnetic relay of stream contact separation.
For achieving the above object, present invention employs following technical scheme:
A kind of electromagnetic relay preventing high current contact separation, including housing 4 and the contact system being arranged in housing 4
1st, electromagnetic system 2 and impeller 3, described contact system 1 includes being provided with the still 103 of stationary contact 106 and is provided with movable contact 105
Movable contact spring 102；Movable contact spring 102 is connected with impeller 3, and impeller 3 is connected with electromagnetic system 2, and electromagnetic system 2 passes through impeller 3
Movable contact spring 102 can be driven to swing the division realizing movable contact 105 and stationary contact 106, described still 103 is u-shaped structure, stationary contact
106 on u-shaped structure medial wall, and movable contact spring 102 stretches in u-shaped structural cavity body, and movable contact 105 is corresponding with stationary contact 106 to be set
Put, the direction of electric power f during contact system 1 closure is movable contact to stationary contact direction.
Further, described housing 4 includes pedestal 401, and described still 103 is located at pedestal 401 side, and electromagnetic system 2 is located at
Pedestal 401 opposite side, movable contact spring 102 is located between still 103 and electromagnetic system 2, and still 103 is provided with the side wall of stationary contact 106
Around movable contact spring 102 opposite side, between movable contact spring 102 and electromagnetic system 2.
Further, described still 103 includes being formed be oppositely arranged two side walls of u-shaped structure and base plate 1032, two
Side wall is the first side wall 1031 and second sidewall 1033, and the medial wall of second sidewall 1033 is provided with stationary contact 106, the first side wall
1031 one end are connected with the still exit 104 of wiring；The first side wall 1031 of still 103 is located at movable contact spring 102 side, quiet
The second sidewall 1033 of piece 103 is from the side of movable contact spring 102 around movable contact spring 102 opposite side.
Further, described still 103 includes being formed be oppositely arranged two side walls of u-shaped structure and base plate 1032, two
Side wall is the first side wall 1031 and second sidewall 1033, and the medial wall of second sidewall 1033 is provided with stationary contact 106, the first side wall
1031 one end are connected with the still exit 104 of wiring；The first side wall 1031 of still 103 is located at movable contact spring 102 side, quiet
The second sidewall 1033 of piece 103 is from the end of movable contact spring 102 around movable contact spring 102 opposite side.
Further, described the first side wall 1031 from the connection end with base plate 1032 to the connection end with still exit 104
Between length be first adjustment length l1；The angle that the medial wall of the first side wall 1031 is formed with base plate 1032 side is second
Adjusting angle b；Second adjusting angle b is obtuse angle.
Further, described the first side wall 1031 includes the first side 10311 being connected with base plate 1032 and first side
10311 relative second sides 10312 be connected with still exit 104 one end bottom side 10313 and with bottom side 10313
The angle that relative top side side 10314, second side 10312 and top side side 10314 are formed is the first adjusting angle a；First adjustment
Angle a is obtuse angle.
Further, described impeller 3 includes push rod 301；The movable contact spring exit of described movable contact spring 102 one end and wiring
101 connections, the other end extends in the u-shaped structural cavity body of still 103, is provided with movable contact 105 on the side wall of the other end, and separately
The end of one end is connected with one end of push rod 301；Movable contact spring 102 stage casing is provided with formation precompression makes contact system produce overtravel
U-shaped bending part 107, when the protrusion direction of u-shaped bending part 107 is closed with movable contact spring 102, direction of action is identical.
Further, described movable contact spring 102 is stacked by 3 pieces of sheet metals and forms, and the correspondence position of 3 pieces of sheet metals is equipped with and is formed
The bending section of u-shaped bending part 107, leaves bending space between the bending section of 3 pieces of sheet metals；In the end of movable contact spring 102, it is stacked
3 pieces of sheet metals in, positioned at middle sheet metal be shorter than outside two pieces of sheet metals, leave sky between two pieces of sheet metals in outside
Gap.
Further, described electromagnetic system 2 includes coil 208, two iron cores 207, armature 209；209 one-tenth H types of armature, middle part
Can rotate around axle 205, one end of two iron cores 207 is connected with the two ends of coil 208 respectively, and the other end of two iron cores 207 divides
Do not go deep into, in two armature openings 204 at H type armature 209 two ends, at two armature openings 204 of armature 209, being provided with magnet steel
203；Armature 209 is outward extended with the actuating arm 206 being connected with push rod 301.
Further, described actuating arm 206 is arranged on the end that armature 209 has an armature opening 204, or, drive
Arm 206 is arranged on the side wall of armature 209.
The electromagnetic relay structure of the present invention is simple, low cost, so that contact system is closed by the setting of u-shaped structure still
When electric power f promote movable contact compression stationary contact, can effectively solving high current when contact separation and contact bounce problem.Enter
One step, can produce suitable electric power by the shape of suitable adjustment still u-shaped structure, can avoid that contact force is excessive to be caused again
The problem of contact bonding.
Brief description
Fig. 1 is the structure chart of the relay closure state of the present invention；
Fig. 2 is the structure chart of the relay off-state of the present invention；
Fig. 3 is the schematic diagram of contact system of the present invention；
Fig. 4 is the axonometric chart of contact system of the present invention；
Fig. 5 is the structure chart of still of the present invention；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the structure chart of invention relay embodiment two；
Fig. 8 is the schematic diagram of invention relay embodiment two；
Fig. 9 is the axonometric chart of invention relay embodiment two still；
Figure 10 is the structure chart of invention relay embodiment three.
Specific embodiment
The embodiment being given below in conjunction with accompanying drawing 1 to 10, further illustrate the present invention prevents high current contact separation
The specific embodiment of electromagnetic relay.The electromagnetic relay of the present invention is not limited to the following description.
As shown in figures 1 to 6, the electromagnetic relay of the present invention includes housing 4 and the contact system 1 being arranged in housing 4, electricity
Magnetic system 2 and impeller 3.Described contact system 1 includes being provided with the still 103 of stationary contact 106 and the dynamic spring being provided with movable contact 105
Piece 102；Movable contact spring 102 is connected with impeller 3, and impeller 3 is connected with electromagnetic system 2, and electromagnetic system 2 can be driven by impeller 3
Dynamic movable contact spring 102 swings the division realizing movable contact 105 and stationary contact 106, realizes connecing of circuit by the division of sound contact
On-off is opened.Described still 103 is u-shaped structure, and on u-shaped structure medial wall, movable contact spring 102 stretches into u-shaped knot to stationary contact 106
In structure cavity, movable contact 105 is correspondingly arranged with stationary contact 106, and the direction of electric power f during contact system 1 closure is movable contact
To stationary contact direction.The electromagnetic relay structure of the present invention is simple, low cost, and the electromagnetic relay structure of the present invention is simple, one-tenth
This is low, and the direction of electric power f when making contact system 1 close by the setting of u-shaped structure still is now produced with electromagnetic system 1
Raw impeller 3 promotes force direction identical, and electric power f promotes movable contact compression stationary contact, rather than makes sound contact separation, can
Effectively prevent the excessive contact separation leading to of electric power f during high current and the problem of contact bounce.
As shown in Figure 1-2, described housing 4 includes pedestal 401, and described still 103 is located at pedestal 401 side, electromagnetic system 2
Positioned at pedestal 401 opposite side, movable contact spring 102 is located between still 103 and electromagnetic system 2, and still 103 is provided with stationary contact 106
Side wall around movable contact spring 102 opposite side, between movable contact spring 102 and electromagnetic system 2.Described impeller 3 includes push rod 301,
Push rod 301 one end is connected with movable contact spring 102, and the other end is connected with electromagnetic system 2.Movable contact spring 102 is arranged on quiet by the present embodiment
So that the simpler convenience of the connection between movable contact spring 102 and electromagnetic system 2 between piece 103 and electromagnetic system 2.In fact, will
Still 103 is arranged between movable contact spring 102 and electromagnetic system 2, and still 103 is provided with the side wall of stationary contact 106 around movable contact spring 102
Opposite side, for movable contact to stationary contact direction, electric power f pushes away in the direction of electric power f when contact system equally can be made to close
Dynamic movable contact compresses stationary contact, equally can solve the problems, such as contact separation and contact bounce.
As shown in Figure 3-4, described still 103 is u-shaped structure, and still 103 includes forming be oppositely arranged the two of u-shaped structure
Individual side wall and base plate 1032, two side walls are the first side wall 1031 and second sidewall 1033, on the medial wall of second sidewall 1033
It is provided with stationary contact 106, the first side wall 1031 one end is connected with the still exit 104 of wiring；The first side wall of still 103
1031 are located at movable contact spring 102 side, and the second sidewall 1033 of still 103 is another around movable contact spring 102 from the side of movable contact spring 102
Side.Preferably, the first side wall 1031 and still exit 104 are integrally formed；Certainly, the first side wall 1031 and still exit 104
It can also be the independent element being fixedly connected.After movable contact 105, stationary contact 106 close, electric current i direction and movable contact spring 102
By electric power f direction as shown in figure 3, now produced push rod 301 promotes with electromagnetic system 2 in the direction of this electric power f
Force direction is identical, so that movable contact 105 is compressed with stationary contact 106, it is to avoid relay is subject to high current or touches in impulse current test
Point separates.
The first side wall 1031 of described still 103 and second sidewall 1033 can opposing parallel be arranged, also can be as seen in figs. 5-6
Relative dislocation is arranged, and the height of the first side wall 1031 is less than the height of second sidewall 1033, makes base plate 1032 have certain inclining
Oblique angle, you can adjust the size protection contact of electric power f, having can material-saving reduces cost.Specifically, described the first side wall
1031 from the connection end of base plate 1032 to the connection end of still exit 104 length be first adjustment length l1；
The angle that the medial wall of the first side wall 1031 is formed with base plate 1032 side is the second adjusting angle b；The first side wall 1031 include with
First side 10311 second side 10312 relative with first side 10311 and still exit that base plate 1032 connects
The bottom side 10313 of 104 connection one end and the top side side 10314 relative with bottom side 10313, second side 10312 and top side
The angle that side 10314 is formed is the first adjusting angle a.According to the magnetic latching relay of different rated current or use condition, design u
The bending angle of still 103 of type structure and bending position, by adjusting the first adjustment length l1, the first adjusting angle a and second
Adjusting angle b, the size of adjustable electric power f, prevent the excessive situation of contact force.Preferably second adjusting angle b is obtuse angle,
First adjusting angle a is obtuse angle, can make electric power f that still 103 and movable contact spring 102 produce will not be excessive, can effective protection contact,
Avoid the excessive bonding causing contact of contact force.
Described movable contact spring 102 one end is connected with the movable contact spring exit 101 of the wiring extending to outside housing 4, the other end
Extend in the u-shaped structural cavity body of still 103, movable contact 105 be provided with the side wall of the other end, and the end of the other end with push away
One end of bar 301 connects, and the other end of push rod 301 is connected with electromagnetic system 2.Movable contact spring 102 stage casing is provided with formation precompression and makes
Contact system produces the u-shaped bending part 107 of overtravel, the action when protrusion direction of u-shaped bending part 107 is closed with movable contact spring 102
Direction is identical.Described movable contact spring 102 is stacked by 3 pieces of sheet metals and forms, and the correspondence position of 3 pieces of sheet metals is equipped with formation u-shaped folding
The bending section of turn of bilge 107, leaves bending space between the bending section of 3 pieces of sheet metals.In the end of movable contact spring 102, stacked 3 pieces
In sheet metal, it is shorter than two pieces of sheet metals in outside positioned at middle sheet metal, between two pieces of sheet metals in outside, leave space.Dynamic
It can also be the independent element being fixedly connected that reed 102 can be integrally formed 4 with movable contact spring exit 101.
Described electromagnetic system 2 includes coil 208, two iron cores 207, armature 209；209 one-tenth H types of armature, middle part can be around axle
205 rotations, one end of two iron cores 207 is connected with the two ends of coil 208 respectively, and the other end of two iron cores 207 gos deep into h respectively
In two armature openings 204 at type armature 209 two ends, at two armature openings 204 of armature 209, it is provided with magnet steel 203；Armature
209 are outward extended with the actuating arm 206 being connected with push rod 301.Described push rod 301 is provided with the push rod with actuating arm 206 cooperation
Opening, actuating arm 206 is arranged on the end that armature 209 has an armature opening 204.Further, actuating arm 206 can be independent
One of two opening arms of setting or formation armature opening 204 opening arm.When coil 208 provides instantaneous moving
When making voltage, armature 209 rotates clockwise around axle 205, and actuating arm 206 drives pushrod movement, drives movable contact 105, stationary contact
106 closures；When coil 208 provides instantaneous resetting voltage, armature 209 rotates counterclockwise around axle 205, and actuating arm 206 drives
Pushrod movement, drives movable contact 105, stationary contact 106 to separate.
As Figure 7-9, the structure chart of invention relay embodiment two, the electromagnetic system 2 of embodiment two, impeller 3
Identical with embodiment one with the structure of movable contact spring 102, embodiment two is with the difference of embodiment one, the of still 103
Two side walls 1033 are around movable contact spring 102 opposite side from the end of movable contact spring 102.As shown in figure 9, described still 103 is tied for u-shaped
Structure, still 103 includes be oppositely arranged two side walls and the base plate 1032 forming u-shaped structure, and two side walls are the first side wall
1031 and second sidewall 1033, the medial wall of second sidewall 1033 is provided with stationary contact 106, the first side wall 1031 one end and wiring
Still exit 104 connects；The first side wall 1031 of still 103 is located at movable contact spring 102 side, the second side of still 103
Wall 1033 is from the end of movable contact spring 102 around movable contact spring 102 opposite side.Permission push rod 301 is provided with second sidewall 1033 wear
The push-rod hole 1034 crossed.
As shown in figure 8, in embodiment two, after movable contact 105, stationary contact 106 close, electric current i direction and movable contact spring 102
By the direction of electric power f, now produced push rod 301 promotes force direction phase for the direction of this electric power f and electromagnetic system 2
With, so that movable contact 105 is compressed with stationary contact 106, it is to avoid relay by high current or in impulse current test contact separation.Real
The structure applying the still 103 in example two is relatively applied to that rated current is less or the less relay of dash current.
As shown in Figure 10, the structure chart of invention relay embodiment three, the difference of embodiment three and embodiment one
It is setting and the annexation of electromagnetic system 2 and impeller 3.In the present embodiment, the overall structure of electromagnetic system 2 and embodiment
One is identical, but coil 208, armature 209 and movable contact spring 102 are vertically arranged；Described push rod 301 is provided with and is coordinated with actuating arm 206
Push rod groove, actuating arm 206 is arranged on the side wall of armature 209, rather than is arranged on the end with an armature opening 204
Portion.Embodiment three can reach and embodiment one identical effect, the electromagnetic system of the electromagnetic relay of the present invention and impeller
It is not limited to above-described embodiment
The side of the electric power f when electromagnetic relay of the present invention makes contact system 1 close by the setting of u-shaped structure still
To now produced impeller 3 promotes force direction identical with electromagnetic system 1, electric power f promotes movable contact compression stationary contact, and
It is not to make sound contact separation, can effectively prevent asking of the excessive contact separation leading to of electric power f and contact bounce during high current
Topic.Further, suitable electric power can be produced by the shape of suitable adjustment still u-shaped structure, contact force mistake can be avoided again
Cause greatly the problem of contact bonding.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (7)
1. a kind of electromagnetic relay preventing high current contact separation, including housing (4) and the contact system being arranged in housing (4)
System (1), electromagnetic system (2) and impeller (3), described contact system (1) inclusion be provided with stationary contact (106) still (103) and
It is provided with the movable contact spring (102) of movable contact (105)；Movable contact spring (102) is connected with impeller (3), impeller (3) and electromagnetic system
(2) connect, electromagnetic system (2) can drive movable contact spring (102) to swing by impeller (3) and realize movable contact (105) and stationary contact
(106) division it is characterised in that: described still (103) is u-shaped structure, stationary contact (106) on u-shaped structure medial wall,
Movable contact spring (102) stretches in u-shaped structural cavity body, and movable contact (105) is correspondingly arranged with stationary contact (106), and contact system (1) closes
When electric power (f) direction be movable contact to stationary contact direction；
Described still (103) includes be oppositely arranged two side walls and the base plate (1032) forming u-shaped structure, and two side walls are the
Side wall (1031) and second sidewall (1033), the medial wall of second sidewall (1033) is provided with stationary contact (106), the first side wall
(1031) one end is connected with the still exit (104) of wiring；The first side wall (1031) of still (103) is located at movable contact spring
(102) side, the second sidewall (1033) of still (103) is from the side of movable contact spring (102) around movable contact spring (102) opposite side；
The angle that the medial wall of the first side wall (1031) is formed with base plate (1032) side is the second adjusting angle (b)；Second adjustment
Angle (b) is obtuse angle.
2. electromagnetic relay according to claim 1 it is characterised in that: described housing (4) includes pedestal (401), described
Still (103) is located at pedestal (401) side, and electromagnetic system (2) is located at pedestal (401) opposite side, and movable contact spring (102) is located at still
(103) and electromagnetic system (2) between, still (103) is provided with the side wall of stationary contact (106) around movable contact spring (102) opposite side, position
Between movable contact spring (102) and electromagnetic system (2).
3. electromagnetic relay according to claim 1 it is characterised in that: described the first side wall (1031) from base plate
(1032) length between the connection end of still exit (104) for the connection end is the first adjustment length (l1)；Described
Side wall (1031) includes with base plate (1032) connects first side (10311) and first side (10311) relative second
Side (10312) connects the bottom side (10313) of one end and the top relative with bottom side (10313) with still exit (104)
Side (10314), the angle that second side (10312) and top side side (10314) are formed is the first adjusting angle (a)；First adjustment
Angle (a) is obtuse angle.
4. electromagnetic relay according to claim 1 it is characterised in that: described impeller (3) includes push rod (301)；Institute
State movable contact spring (102) one end to be connected with the movable contact spring exit (101) of wiring, the other end extends to the u-shaped knot of still (103)
In structure cavity, movable contact (105) is provided with the side wall of the other end, and the end of the other end is connected with one end of push rod (301)；
Movable contact spring (102) stage casing is provided with formation precompression makes contact system produce the u-shaped bending part (107) of overtravel, u-shaped bending part
(107) when protrusion direction is closed with movable contact spring (102), direction of action is identical.
5. electromagnetic relay according to claim 3 it is characterised in that: described movable contact spring (102) is stacked by 3 pieces of sheet metals
Form, the correspondence position of 3 pieces of sheet metals is equipped with the bending section forming u-shaped bending part (107), the bending section of 3 pieces of sheet metals it
Between leave bending space；In the end of movable contact spring (102), 3 pieces of stacked sheet metals, it is shorter than outside positioned at middle sheet metal
Two pieces of sheet metals, leave space between two pieces of sheet metals in outside.
6. electromagnetic relay according to claim 1 it is characterised in that: described electromagnetic system (2) include coil (208),
Two iron cores (207), armature (209)；Armature (209) becomes H type, and middle part can rotate around axle (205), and the one of two iron cores (207)
End is connected with the two ends of coil (208) respectively, and the other end of two iron cores (207) gos deep into the two of H type armature (209) two ends respectively
In individual armature opening (204), two armature opening (204) places of armature (209) are provided with magnet steel (203)；Described impeller (3) bag
Include push rod (301), armature (209) is outward extended with the actuating arm (206) being connected with push rod (301).
7. electromagnetic relay according to claim 6 it is characterised in that: described actuating arm (206) is arranged on armature (209)
There is the end of an armature opening (204), or, actuating arm (206) is arranged on the side wall of armature (209).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589191.XA CN104362044B (en) | 2014-10-28 | 2014-10-28 | Relay capable of preventing large-current contact separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410589191.XA CN104362044B (en) | 2014-10-28 | 2014-10-28 | Relay capable of preventing large-current contact separation |
Publications (2)
| Publication Number | Publication Date |
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| CN104362044A CN104362044A (en) | 2015-02-18 |
| CN104362044B true CN104362044B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410589191.XA Active CN104362044B (en) | 2014-10-28 | 2014-10-28 | Relay capable of preventing large-current contact separation |
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| CN (1) | CN104362044B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158513B (en) * | 2015-04-15 | 2018-10-19 | 浙江正泰电器股份有限公司 | The shell mechanism of magnetic latching relay |
| PL3965135T3 (en) | 2016-11-25 | 2023-09-18 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Magnetic latching relay capable of accurately positioning magnetic circuit |
| CN106971913B (en) * | 2017-04-01 | 2018-09-21 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay that can resist short circuit current |
| CN107146743B (en) * | 2017-06-26 | 2019-10-29 | 广东电网有限责任公司佛山供电局 | A kind of relay and its control circuit of the driving of bistable state Width funtion |
| CN107305824B (en) * | 2017-07-11 | 2019-09-10 | 厦门宏发电力电器有限公司 | A kind of electromagnetic relay with stronger resist blocking and that ability |
| CN108109881B (en) * | 2017-08-25 | 2024-05-14 | 厦门宏发电力电器有限公司 | Magnetic latching relay with movable reed obliquely arranged |
| EP3690917B1 (en) | 2017-10-25 | 2023-12-13 | Xi'an Jiaotong University | High-voltage relay resistant to instantaneous great-current impact |
| CN108878221A (en) * | 2018-09-06 | 2018-11-23 | 厦门赛特勒继电器有限公司 | A kind of relay for strengthening heat dissipation |
| CN115083835B (en) * | 2022-08-19 | 2022-12-02 | 长沙中坤电子科技有限责任公司 | Integrated magnetic latching relay |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SI9300215A (en) * | 1992-05-15 | 1993-12-31 | Siemens Ag | Contact spring arrangement for a relay for conducting and swiching high currents |
| US6034581A (en) * | 1998-06-30 | 2000-03-07 | Siemens Energy & Automation, Inc. | Remote controlled circuit breaker |
| JP4952840B1 (en) * | 2010-12-06 | 2012-06-13 | オムロン株式会社 | Electromagnetic relay |
| CN204348633U (en) * | 2014-10-28 | 2015-05-20 | 浙江正泰电器股份有限公司 | Prevent the electromagnetic relay of big current contact separation |
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2014
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