CN206471289U - A kind of enhancing heat conduction, the relay of electric conductivity - Google Patents
A kind of enhancing heat conduction, the relay of electric conductivity Download PDFInfo
- Publication number
- CN206471289U CN206471289U CN201720078172.XU CN201720078172U CN206471289U CN 206471289 U CN206471289 U CN 206471289U CN 201720078172 U CN201720078172 U CN 201720078172U CN 206471289 U CN206471289 U CN 206471289U
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- China
- Prior art keywords
- wire
- movable contact
- relay
- fixedly connected
- yoke
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Abstract
The utility model discloses a kind of enhancing heat conduction, the relay of electric conductivity, belong to relay technical field, relay includes armature, yoke and the movable contact spring being arranged on skeleton, the head end of movable contact spring is provided with that movable contact, middle part are fixedly connected with armature, tail end is fixedly connected with yoke, it is important to：The radiation conductive piece for being brought into close contact and being fixedly connected with it is set up in the head end of movable contact spring, Extension Wire, one end of wire is fixedly connected with radiation conductive piece, and the other end of wire is fixedly connected with yoke.Movable contact spring is connected with yoke with radiation conductive piece and wire, the heat-transfer rate of contact during electric life can be strengthened, reduces contact because of the superposition contact resistance that parts are stranded and produce, reduces the temperature rise speed of contact, improve the electric life number of times of product.
Description
Technical field
The utility model belongs to relay technical field, is related to a kind of enhancing heat conduction, the relay of electric conductivity.
Background technology
Relay is a kind of electric control device, and it has control system (also known as input circuit) and (is also known as by control system
Output loop) between interactive relationship, be commonly used to automation control circuit in, it be actually gone with low current control
One kind " automatic switch " of high current running, thus play in circuit automatically adjust, safeguard protection, the effect such as change-over circuit.Electricity
Magnetic relay is typically made up of iron core, coil, armature, yoke, movable contact spring etc., as long as adding certain voltage at coil two ends,
Certain electric current is will pass through in coil, so as to produce galvanomagnetic-effect, armature will overcome in the presence of electromagnetic attracting force to be returned
The pulling force of resilience spring is drawn to iron core, so that the movable contact with moving armature and stationary contact (normally opened contact) adhesive.After coil blackout,
The suction of electromagnetism also disappears therewith, and armature will return to original position under the reaction force of spring, makes movable contact and original
Stationary contact (normally-closed contact) release, such adhesive, release, thus reached in circuit conducting, cut-out purpose.
Relay is in the presence of contact voltage drop and electric arc, along with space is small in relay shell, heat-sinking capability is poor, so that
Higher temperature rise is produced, in addition, because load two ends are to be twisted together by movable contact spring with yoke, armature, certain connection can be produced
Resistance, so as to be added on the contact resistance at load contact two ends, making contact, temperature rise is increased after switch, in relay electric life
Middle and later periods, contact temperature rise persistently increases, and causes contact to be bonded, and relay fails because of temperature rise.
The content of the invention
The utility model devises a kind of enhancing heat conduction, the relay of electric conductivity to overcome the defect of prior art,
The heat-transfer rate of contact during electric life can be strengthened, reduce contact because of the superposition contact resistance that parts are stranded and produce,
Reduce the temperature rise speed of contact, improve the electric life number of times of product.
The concrete technical scheme that the utility model is taken is：A kind of enhancing heat conduction, the relay of electric conductivity, including set
Put armature, yoke and movable contact spring on skeleton, the head end of movable contact spring be provided with movable contact, middle part be fixedly connected with armature, tail
End is fixedly connected with yoke, it is important to：The radiation conductive piece for being brought into close contact and being fixedly connected with it is set up in the head end of movable contact spring,
Extension Wire, one end of wire is fixedly connected with radiation conductive piece, and the other end of wire is fixedly connected with yoke.
The quantity of the wire is at least two.
All it is welded and fixed between described wire and radiation conductive piece, between wire and yoke, the two ends of wire are all solid
Surely there is connection terminal.
The position corresponding with movable contact offers via on described radiation conductive piece.
Described radiation conductive piece includes T-shaped lamellar body and the rectangle lamellar body below T-shaped lamellar body, and T-shaped lamellar body is located at remote
From the side of movable contact, the width of T-shaped lamellar body riser is equal to the width of rectangle lamellar body, and the width of T-shaped lamellar body transverse slat is more than dynamic spring
The width of piece, T-shaped lamellar body opens up fluted in the middle part of upper surface.
Described radiation conductive piece is spring leaf, and wire is copper litz wire.
The beneficial effects of the utility model are：Be superimposed a piece of radiation conductive piece in movable contact spring head end, with radiation conductive piece and
Movable contact spring is connected by wire with yoke, can strengthen the heat-transfer rate of contact during electric life, reduces contact because parts are twisted
The superposition contact resistance for closing and producing, reduces the temperature rise speed of contact, improves the electric life number of times of product.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of radiation conductive piece in the utility model.
In accompanying drawing, 1 represents armature, and 2 represent yoke, and 3 represent movable contact spring, and 4 represent radiation conductive piece, and 401 represent T-shaped piece
Body, 402 represent rectangle lamellar body, and 403 represent groove, and 5 represent wire, and 6 represent via.
Embodiment
The utility model is elaborated with specific embodiment below in conjunction with the accompanying drawings：
Specific embodiment, as depicted in figs. 1 and 2, a kind of enhancing heat conduction, the relay of electric conductivity, including it is arranged on bone
Armature 1, yoke 2 and movable contact spring 3 on frame, the head end of movable contact spring 3 be provided with movable contact, middle part be fixedly connected with armature 1, tail end
It is fixedly connected with yoke 2, the radiation conductive piece 4 for being brought into close contact and being fixedly connected with it is set up in the head end of movable contact spring 3, sets up and leads
Line 5, one end of wire 5 is fixedly connected with radiation conductive piece 4, and the other end of wire 5 is fixedly connected with yoke 2, radiation conductive piece 4
Preferably spring leaf, wire 5 is preferably copper litz wire.Movable contact spring 3 is connected with yoke 2 with spring leaf and copper litz wire, can be with
The heat-transfer rate of contact during enhancing electric life, reduces contact because of the superposition contact resistance that parts are stranded and produce, reduces
The temperature rise speed of contact, improves the electric life number of times of product.
Wire 5 is that the quantity of copper litz wire is at least two, so that increase the contact area between movable contact spring 3 and yoke 2,
Improve heat-transfer rate and electric conductivity.The quantity of copper litz wire is more, and the contact area between movable contact spring 3 and yoke 2 is bigger, leads
Thermal velocity is also faster, and electric conductivity is also better, but accordingly, the cost of relay can also increase, so copper is woven
The quantity of line is set to two and is located at the side of movable contact spring 3 respectively, is so meeting relay to heat-transfer rate and electric conductivity
, can be with cost-effective on the premise of energy demand.The domed structure of copper litz wire, can so avoid copper litz wire and armature 1, yoke
Iron 2, movable contact spring 3 or radiation conductive piece 4 are in close contact and influence respective temperature, can further improve heat-transfer rate and conduction
Performance.
All it is welded and fixed between wire 5 and radiation conductive piece 4, between wire 5 and yoke 2, the two ends of wire 5 are all fixed
There is connection terminal, so dial line without scene again in welding, it is more convenient, production efficiency can be improved.Radiation conductive
The position corresponding with movable contact offers via 6 on piece 4, makes movable contact more reliable and more stable when being contacted with stationary contact.
Radiation conductive piece 4 includes T-shaped lamellar body 401 and the rectangle lamellar body 402 positioned at the lower section of T-shaped lamellar body 401, T-shaped lamellar body 401
The side of movable contact is located remotely from, the width of the riser of T-shaped lamellar body 401 is equal to the width of rectangle lamellar body 402, the transverse slat of T-shaped lamellar body 401
Width be more than the width of movable contact spring 3, open up fluted 403 in the middle part of the upper surface of T-shaped lamellar body 401, sufficiently large surface area makes
Obtaining radiation conductive piece 4 has thermal conductivity and electric conductivity good enough, can further improve the heat-transfer rate and electric conductivity of contact
Energy.
The utility model is when specifically used：During the electric life of relay, the heat produced by contact passes through bullet
Reed and copper litz wire pass to yoke 2, can strengthen the heat-transfer rate of contact, reduce the temperature rise speed of contact after switch,
Reduce contact because of the superposition contact resistance that parts are stranded and produce, improve the electric life number of times of product.
Claims (6)
1. a kind of enhancing heat conduction, the relay of electric conductivity, including armature (1), yoke (2) and the movable contact spring being arranged on skeleton
(3), the head end of movable contact spring (3) is provided with that movable contact, middle part are fixedly connected with armature (1), tail end is fixedly connected with yoke (2),
It is characterized in that：The radiation conductive piece (4) for being brought into close contact and being fixedly connected with it is set up in the head end of movable contact spring (3), sets up and leads
Line (5), one end of wire (5) is fixedly connected with radiation conductive piece (4), and the other end of wire (5) is fixedly connected with yoke (2).
2. a kind of enhancing heat conduction according to claim 1, the relay of electric conductivity, it is characterised in that：The wire (5)
Quantity be at least two.
3. a kind of enhancing heat conduction according to claim 1, the relay of electric conductivity, it is characterised in that：Described wire
(5) all it is welded and fixed between radiation conductive piece (4), between wire (5) and yoke (2), the two ends of wire (5) are all fixed with
Connection terminal.
4. a kind of enhancing heat conduction according to claim 1, the relay of electric conductivity, it is characterised in that：Described radiating
The position corresponding with movable contact offers via (6) on conducting strip (4).
5. a kind of enhancing heat conduction according to claim 1, the relay of electric conductivity, it is characterised in that：Described radiating
Conducting strip (4) includes T-shaped lamellar body (401) and the rectangle lamellar body (402) below T-shaped lamellar body (401), T-shaped lamellar body (401) position
In the side away from movable contact, the width of T-shaped lamellar body (401) riser is equal to the width of rectangle lamellar body (402), T-shaped lamellar body (401)
The width of transverse slat, which is more than in the middle part of the width of movable contact spring (3), T-shaped lamellar body (401) upper surface, to be opened up fluted (403).
6. a kind of enhancing heat conduction according to claim 1, the relay of electric conductivity, it is characterised in that：Described radiating
Conducting strip (4) is spring leaf, and wire (5) is copper litz wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078172.XU CN206471289U (en) | 2017-01-22 | 2017-01-22 | A kind of enhancing heat conduction, the relay of electric conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078172.XU CN206471289U (en) | 2017-01-22 | 2017-01-22 | A kind of enhancing heat conduction, the relay of electric conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471289U true CN206471289U (en) | 2017-09-05 |
Family
ID=59703309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720078172.XU Expired - Fee Related CN206471289U (en) | 2017-01-22 | 2017-01-22 | A kind of enhancing heat conduction, the relay of electric conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-01-22 CN CN201720078172.XU patent/CN206471289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Granted publication date: 20170905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |