CN108878221A - A kind of relay for strengthening heat dissipation - Google Patents
A kind of relay for strengthening heat dissipation Download PDFInfo
- Publication number
- CN108878221A CN108878221A CN201811037638.7A CN201811037638A CN108878221A CN 108878221 A CN108878221 A CN 108878221A CN 201811037638 A CN201811037638 A CN 201811037638A CN 108878221 A CN108878221 A CN 108878221A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- heat dissipation
- armature
- contact spring
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 26
- 238000005728 strengthening Methods 0.000 title claims abstract description 16
- 230000003068 static effect Effects 0.000 claims abstract description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/12—Ventilating; Cooling; Heating
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Breakers (AREA)
Abstract
The invention discloses a kind of relays for strengthening heat dissipation, including electromagnetic assembly, moved end component and static side component.Using the relay of the reinforcing heat dissipation of above technical scheme, static terminal uses inverted U-shaped, thus considerably increases the surface area of static terminal, carries the heat of switching generation because applying electric current and contact web so as to be effectively conducted, heat dissipation effect is significant, can be substantially reduced temperature rise.And multiple movable contacts and stationary contact parallel with one another have also been devised, contact contact area is increased, to reduce contact resistance, further reduced heating of contact.
Description
Technical field
The present invention relates to relay, in particular to a kind of relay for strengthening heat dissipation.
Background technique
Since relay has unique electrical, physical characteristic, the high insulation resistance and on-state of off-state in control circuit
Low on-resistance so that other any electronic components can not in contrast, in addition relay standardization level is high, versatility
Well, the advantages that circuit can be simplified, so relay is widely used in space flight, aviation, Military Electronic Equipment, information industry and its people
In economic various electronic equipments.With science and technology rapid development, usage amount of the relay in programmed communication equipment also into
One step increases, so, how to guarantee the reliability of relay, meet the reliability of machine system, becomes focus concerned by people.
Existing high-current relay is equipped with movable contact spring on armature, movable contact, yoke, yoke is provided on movable contact spring
Iron is connect with outlet terminal.When the logical upper certain voltage in coil both ends, dynamic and static contact closure, in input terminal, stationary contact, dynamic touching
Point, form current path between outlet terminal.Since electric current is high by the resistivity of movable contact spring, along in movable contact spring and out
Contact resistance between line terminals is larger, when by 150A, generates heat extremely serious, relay promptly aging shortens relay
The service life of device.
In addition, to guarantee fitting closely between sound terminal, movable contact is generally pressed on stationary contact in existing relay
On, static terminal due at work for a long time by moved end son movable contact apply pressure, under high temperature environment be easy because of
Metal fatigue and be deformed, temperature is higher, is more easily deformed, to influence the laminating degree between sound terminal, makes sound
It is bonded not close between terminal and then generates electrical discharge arc.Electric arc can make sound contact melt adhesion, to make relay damaged.
Summary of the invention
The object of the present invention is to provide a kind of relays for strengthening heat dissipation.
According to an aspect of the invention, there is provided a kind of relay for strengthening heat dissipation, including：
Electromagnetic assembly, electromagnetic assembly are mainly made of an electromagnetic coil and the iron core being arranged in inside electromagnetic coil, iron
The setting direction of core its internal magnetic line of force direction, electromagnetic coil one end after electromagnetic coil energization are equipped with an armature, armature
One end of face iron core；
Moved end component is set on the outside of armature, and moved end component includes moved end, and the sub- one end in moved end is connected with external circuit
It connects, the other end is fixed with a movable contact spring, and movable contact spring is elastic conduction sheet metal, and movable contact spring has multiple parallel with one another move
Contact, movable contact spring are connected by an impeller with armature；
And static side component, it is set on the outside of the component of moved end, static side component includes a static terminal, static terminal and external electrical
Road is connected, and static terminal is inverted U-shaped and its outside is equipped with multiple stationary contacts parallel with one another, and stationary contact and movable contact are one by one
Corresponding, the elastic reaction of movable contact spring separates movable contact with stationary contact；
When electromagnetic coil is powered, the magnetic attraction armature that iron core generates is close to iron core, the impeller being connected on armature
It moves, the elasticity that impeller pushes movable contact spring to overcome its own is mobile to static side component, to make movable contact and stationary contact
It contacts with each other, and then external circuit is connected.
Using the relay of the reinforcing heat dissipation of above technical scheme, static terminal uses inverted U-shaped, thus considerably increases
The surface area of static terminal carries the heat of switching generation because applying electric current and contact web so as to be effectively conducted, and heat dissipation effect is aobvious
It writes, temperature rise can be substantially reduced.And multiple movable contacts and stationary contact parallel with one another have also been devised, increase contact contact surface
Product, to reduce contact resistance, further reduced heating of contact.
In some embodiments, at the top of static terminal to two are consequently formed still further below after horizontal extension a distance
The connected conductive sheet in mutually isolated and top.Conductive sheet not only can be with scattered current flux, but also is also used as cooling fin and makes
With.
In some embodiments, static terminal is integrally formed by metal material or is bent by metal plate.It is quiet as a result,
Terminal processing and manufacture are easier, and cost is lower.
In some embodiments, two conductive sheets are parallel to each other.Thus it can not only guarantee stationary contact thereon and dynamic
Contact closely connects, but also can damage static terminal to avoid electrical discharge arc is generated between two conductive sheets.
In some embodiments, movable contact spring one end is fixedly connected with the sub- side in moved end, and the other end is horizontally extending.
Movable contact spring design is more compact as a result, and the electric current in the current direction and moved end in relay closure in movable contact spring
It is contrary, and then a repulsion is formed, so that movable contact is even closer in conjunction with stationary contact.
In some embodiments, impeller passes through moved end and mutually contacts with movable contact spring.
In some embodiments, a contact carriage is fixed on movable contact spring, contact carriage moves touching using thick sheet metal production
Point is set in contact carriage.One side contact carriage has certain hardness, it is possible thereby to which it is same to guarantee that all movable contacts are in
In plane, can simultaneously with stationary contact point contact and disconnection；Another aspect contact carriage is also used as cooling fin will be on movable contact
The heat of generation passes in time, and then reduces the temperature of movable contact, and the intensity of electric arc, reduces melting when weakening contact opening and closing
Risk.
In some embodiments, electromagnetic coil is additionally provided with a yoke, the yoke one end edge opposite with armature by iron core
Extend outside electromagnetic coil to armature, yoke top is connected with armature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the relay of the reinforcing heat dissipation of one embodiment of the present invention.
Fig. 2 is the top view for strengthening the relay of heat dissipation shown in Fig. 1.
Fig. 3 is the installation diagram for strengthening the relay of heat dissipation shown in Fig. 1.
Fig. 4 is the mated condition schematic diagram of moved end component and static side component shown in Fig. 3.
Fig. 5 is the structural schematic diagram of moved end component shown in Fig. 4.
Fig. 6 is the structural schematic diagram of static side component shown in Fig. 4.
The current direction schematic diagram of moved end component when Fig. 7 is closing of circuit.
Fig. 8 is the structural schematic diagram of the relay of the reinforcing heat dissipation of another embodiment of the present invention.
Fig. 9 is the structural schematic diagram of moved end component shown in Fig. 8.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Embodiment 1
Fig. 1 to Fig. 7 schematically shows a kind of relay of the reinforcing heat dissipation of embodiment according to the present invention.Such as figure
Shown, which includes electromagnetic assembly 1, moved end component 2 and static side component 3.
Wherein, electromagnetic assembly 1 is mainly made of an electromagnetic coil 11 and the iron core 12 being arranged in inside electromagnetic coil 11.
The setting direction of iron core 12 its internal magnetic line of force direction after the energization of electromagnetic coil 11.
11 one end of electromagnetic coil is equipped with an armature 13, one end of 13 face iron core 12 of armature.
11 other end of electromagnetic coil is additionally provided with a yoke 14,
The one end opposite with armature 13 from iron core 12 of yoke 14 extends outside electromagnetic coil 11 to armature 13, and yoke 14 pushes up
End is connected with armature 13.Iron core 12, armature 13 and yoke 14 can form an annular magnetic force circuit, reduce magnetic resistance work
With reducing calorific value, can prevent armature 13 from deforming and influence service life of relay.
Moved end component 2 is set to 13 outside of armature.
Moved end component 2 includes moved end 21.
Moved end 21 one end of son are connected with external circuit, and the other end is fixed with a movable contact spring 23.
23 one end of movable contact spring is fixedly connected with sub 21 sides in moved end, and the other end is horizontally extending.Movable contact spring 23 as a result,
It designs more compact.
Movable contact spring 23 is connected by an impeller 15 with armature 14.
Impeller 15 passes through moved end 21 and contacts with 23 phase of movable contact spring.
Movable contact spring 23 is elastic conduction sheet metal, and a contact carriage 24 is fixed on movable contact spring 23.
Multiple movable contacts 22 parallel with one another are fixed in contact carriage 24.
Contact carriage 24 is set in contact carriage using thick sheet metal production, movable contact 22.One side contact carriage 24 has certain
Hardness, it is possible thereby to guarantee that all movable contacts 22 are on same plane, can simultaneously with stationary contact point contact and disconnection；
Another aspect contact carriage 24 is also used as cooling fin and passes the heat of the generation on movable contact 22 in time, and then reduces
The risk that movable contact 22 melts.
Static side component 3 is set to 2 outside of moved end component.
Static side component 3 includes a static terminal 31.
Static terminal 31 is connected with external circuit.
Static terminal 31 is inverted U-shaped and its outside is equipped with multiple stationary contacts 32 parallel with one another.
Stationary contact 32 and movable contact 22 correspond.
The elastic reaction of movable contact spring 23 separates movable contact 22 with stationary contact 32.
Electric current side in current direction and moved end 21 when relay is closed in movable contact spring 23 as shown by the arrows in Figure 7
To on the contrary, in turn formed a repulsion so that movable contact 22 combined with stationary contact 32 it is even closer.
In the present embodiment, the top of static terminal 31 to being consequently formed two phases after horizontal extension a distance still further below
The mutually conductive sheet 311 that isolation and top are connected.Conductive sheet 311 not only can be with scattered current flux, but also is also used as radiating
Piece uses.
Static terminal 31 is generally integrally formed by metal material or is bent by metal plate.As a result, static terminal processing and
Manufacture is easier, and cost is lower.
When electromagnetic coil 11 is powered, the magnetic attraction armature 13 that iron core 12 generates is close to iron core 12, is connected to armature 13
On impeller 15 move, the elasticity that impeller 15 pushes movable contact spring 23 to overcome its own is mobile to static side component 3, thus
So that movable contact 22 is contacted with each other with stationary contact 32, and then external circuit is connected.
Using the relay of the reinforcing heat dissipation of above technical scheme, static terminal uses inverted U-shaped, thus considerably increases
The surface area of static terminal carries the heat of switching generation because applying electric current and contact web so as to be effectively conducted, and heat dissipation effect is aobvious
It writes, temperature rise can be substantially reduced.And multiple movable contacts and stationary contact parallel with one another have also been devised, increase contact contact surface
Product, to reduce contact resistance, further reduced heating of contact.
Embodiment 2
Fig. 8 and Fig. 9 schematically shows a kind of relay of the reinforcing heat dissipation of embodiment according to the present invention.Such as figure
It is shown, difference from example 1 is that, movable contact spring 23 is set to sub 21 tops in moved end, and the position with sub 21 main bodys in moved end
It is staggered.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (8)
1. a kind of relay for strengthening heat dissipation, which is characterized in that including：
Electromagnetic assembly, the electromagnetic assembly is mainly by an electromagnetic coil and the iron core structure being arranged in inside the electromagnetic coil
At the setting direction of the iron core its internal magnetic line of force direction, described electromagnetic coil one end after electromagnetic coil energization
Equipped with an armature, one end of iron core described in the armature face；
Moved end component is set on the outside of the armature, and the moved end component includes moved end, described sub- one end in moved end and outside
Circuit is connected, and the other end is fixed with a movable contact spring, and the movable contact spring is elastic conduction sheet metal, and the movable contact spring has
Multiple movable contacts parallel with one another, the movable contact spring are connected by an impeller with the armature；
And static side component, it is set on the outside of the moved end component, the static side component includes a static terminal, the static terminal
It is connected with external circuit, the static terminal is inverted U-shaped and its outside is equipped with multiple stationary contacts parallel with one another, described quiet
Contact and the movable contact correspond, and the elastic reaction of the movable contact spring separates the movable contact with the stationary contact；
When the electromagnetic coil is powered, armature described in the magnetic attraction that the iron core generates is close to the iron core, is connected to institute
The impeller stated on armature moves, and the impeller pushes the movable contact spring to overcome the elasticity of its own to the static side group
Part is mobile, so that the movable contact be made to contact with each other with the stationary contact, and then external circuit is connected.
2. the relay according to claim 1 for strengthening heat dissipation, which is characterized in that horizontal extension at the top of the static terminal
Two conductive sheets mutually isolated and that top is connected are consequently formed after a distance still further below.
3. the relay according to claim 1 or 2 for strengthening heat dissipation, which is characterized in that the static terminal is by metal material
It is integrally formed or is bent by metal plate.
4. the relay according to claim 3 for strengthening heat dissipation, which is characterized in that described two conductive sheets are parallel to each other.
5. the relay according to claim 1 for strengthening heat dissipation, which is characterized in that described movable contact spring one end and the moved end
Sub- side is fixedly connected, and the other end is horizontally extending.
6. strengthening the relay of heat dissipation according to claim 1 or 5, which is characterized in that the impeller passes through described dynamic
Terminal is simultaneously mutually contacted with the movable contact spring.
7. the relay according to claim 1 for strengthening heat dissipation, which is characterized in that be fixed with a touching on the movable contact spring
Point bridge, the contact carriage are set in the contact carriage using thick sheet metal production, the movable contact.
8. the relay according to claim 1 for strengthening heat dissipation, which is characterized in that the electromagnetic coil is additionally provided with a yoke
Iron, yoke one end opposite with the armature from the iron core extend outside the electromagnetic coil to the armature, institute
Yoke top is stated to be connected with the armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037638.7A CN108878221A (en) | 2018-09-06 | 2018-09-06 | A kind of relay for strengthening heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037638.7A CN108878221A (en) | 2018-09-06 | 2018-09-06 | A kind of relay for strengthening heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108878221A true CN108878221A (en) | 2018-11-23 |
Family
ID=64323130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811037638.7A Pending CN108878221A (en) | 2018-09-06 | 2018-09-06 | A kind of relay for strengthening heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108878221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161955A (en) * | 2019-05-31 | 2019-08-23 | 广东电网有限责任公司 | A kind of transformer Cooling case PLC failure emergency processing method and normally opened relay |
| CN114005705A (en) * | 2021-10-30 | 2022-02-01 | 申乐股份有限公司 | Relay with enhanced heat dissipation |
| JP7036885B1 (en) | 2020-10-30 | 2022-03-15 | 松川精密股▲ふん▼有限公司 | Relay structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201655693U (en) * | 2010-04-08 | 2010-11-24 | 宁波华冠电子有限公司 | Car-used small-sized high-power relay |
| CN102903576A (en) * | 2012-10-27 | 2013-01-30 | 东莞市三友联众电器有限公司 | Reed switch assembly of magnetic latching relay |
| CN104362044A (en) * | 2014-10-28 | 2015-02-18 | 浙江正泰电器股份有限公司 | Relay capable of preventing large-current contact separation |
| CN108010803A (en) * | 2018-01-10 | 2018-05-08 | 厦门赛特勒继电器有限公司 | A kind of high-reliability electrical magnetic relay of low-temperature-rise shock resistance electric current |
| CN209169066U (en) * | 2018-09-06 | 2019-07-26 | 厦门赛特勒继电器有限公司 | A kind of relay for strengthening heat dissipation |
-
2018
- 2018-09-06 CN CN201811037638.7A patent/CN108878221A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655693U (en) * | 2010-04-08 | 2010-11-24 | 宁波华冠电子有限公司 | Car-used small-sized high-power relay |
| CN102903576A (en) * | 2012-10-27 | 2013-01-30 | 东莞市三友联众电器有限公司 | Reed switch assembly of magnetic latching relay |
| CN104362044A (en) * | 2014-10-28 | 2015-02-18 | 浙江正泰电器股份有限公司 | Relay capable of preventing large-current contact separation |
| CN108010803A (en) * | 2018-01-10 | 2018-05-08 | 厦门赛特勒继电器有限公司 | A kind of high-reliability electrical magnetic relay of low-temperature-rise shock resistance electric current |
| CN209169066U (en) * | 2018-09-06 | 2019-07-26 | 厦门赛特勒继电器有限公司 | A kind of relay for strengthening heat dissipation |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161955A (en) * | 2019-05-31 | 2019-08-23 | 广东电网有限责任公司 | A kind of transformer Cooling case PLC failure emergency processing method and normally opened relay |
| CN110161955B (en) * | 2019-05-31 | 2024-02-02 | 广东电网有限责任公司 | Transformer cooling box PLC fault emergency processing method and normally open relay |
| JP7036885B1 (en) | 2020-10-30 | 2022-03-15 | 松川精密股▲ふん▼有限公司 | Relay structure |
| JP2022073041A (en) * | 2020-10-30 | 2022-05-17 | 松川精密股▲ふん▼有限公司 | Relay structure |
| CN114005705A (en) * | 2021-10-30 | 2022-02-01 | 申乐股份有限公司 | Relay with enhanced heat dissipation |
| CN114005705B (en) * | 2021-10-30 | 2024-06-25 | 申乐股份有限公司 | Relay capable of enhancing heat dissipation |
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