CN203707038U - Miniaturized large current relay - Google Patents
Miniaturized large current relay Download PDFInfo
- Publication number
- CN203707038U CN203707038U CN201320862775.0U CN201320862775U CN203707038U CN 203707038 U CN203707038 U CN 203707038U CN 201320862775 U CN201320862775 U CN 201320862775U CN 203707038 U CN203707038 U CN 203707038U
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- China
- Prior art keywords
- terminal
- wire core
- electromagnetic wire
- core module
- shell fragment
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- Expired - Lifetime
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- 239000012634 fragment Substances 0.000 claims description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000191 radiation effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a miniaturized large current relay, comprising a base, an NC terminal, an NO terminal, an electromagnetic wire core module, and an intermediate spring. The electromagnetic wire core module is disposed on the base. The NC terminal and the NO terminal are disposed on a side of the electromagnetic wire core module. The intermediate spring is disposed on the base through a support corresponding to the other side position of the electromagnetic wire core module. A horizontal portion free end of the intermediate spring extends into a position between the NC terminal and the NO terminal, and is provided with contacts. The horizontal portion of the intermediate spring is provided with a polepiece matched with the electromagnetic wire core module. The miniaturized large current relay is clever in structural design, and sectional areas of the terminals and the intermediate spring are reasonably increased, satisfying large current output. Areas of poles and the support are increased, satisfying heat radiation effect when large current flows through the relay, improving pull-in operation of products. The relay is high I working stability, simple in integrated structure, easy in realization, high in product pass percent, low in cost, small in size, long in service life, and large in output current. The miniaturized large current relay is beneficial for wide popularization.
Description
Technical field
The utility model relates to relay technical field, is specifically related to a kind of miniaturization high-current relay.
Background technology
In fact relay is exactly a kind of electronic switch parts; there is master control system (input circuit) and controlled system (output loop); be widely used in automatic control circuit system; be characterized in utilizing minimum input voltage or electric current to control the larger voltage of corresponding output or a kind of automatic change-over of electric current in automatic system, in automatic circuit control system, play the effect of safeguard protection, automatic governing, circuit conversion.
According to structure and job specification, relay is that one is made up of input action and output execution architecture, its input perceptual structure part is to be reacted on the do action mode that output continues or is interrupted by the variation of input value, in the time that input value is less than the set point of relay, output mechanism is failure to actuate, in the time that input value meets the set point of relay, output mechanism action, allows relay in circuit, play the implementation effect of Push And Release.
Relay classifying type has multiple: electromagnetic type relay, thermal relay, micropower relay, high power relay, miniature relay, unenclosed relay, hermetically sealed relay etc., wherein electromagnetic type relay is by the implementation effect of controlling the electromagnetic attraction that produces by coil of electric current and drive moving part in magnetic circuit to realize contact open and close to make circuit turn-on or translation function.Modern society, is generally used relay, and the relay of selling is on the market varied, and it has different design concepts separately, makes every effort to reach the instructions for use of different user.
Although these relays can roughly meet instructions for use, the cross-sectional area of its NC terminal and NO terminal is less, affects electric current output, causes contact point temperature to raise, and affects the stability of work; And the area of pole piece is also less, action demand and the radiating effect of product can not meet high electric current output generation high temperature time, it is tired that middle shell fragment produces action, affect product action adhesive, easily occur the phenomenon of loose contact, affect the job stability of product, and the work of generation relay is bad.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is, provide a kind of structural design ingenious, reasonable, and job stability is high, the miniaturization high-current relay of energy High-current output.
For achieving the above object, technical scheme provided by the utility model is: a kind of miniaturization high-current relay, it comprises pedestal, NC terminal, NO terminal, electromagnetic wire core module and middle shell fragment, described electromagnetic wire core module is arranged on described pedestal, described NC terminal and NO terminal are arranged on a side position of this electromagnetic wire core module, the opposite side position of the corresponding described electromagnetic wire core module of described middle shell fragment is arranged on described pedestal by support, in this, the lower end, vertical portion of shell fragment is connected with terminals pin, in this, the horizontal part free end of shell fragment extends the position between described NC terminal and NO terminal, and be provided with contact point, middle shell fragment is normality by this contact point with NC terminal and contacts, in this, the horizontal part of shell fragment is provided with the pole piece suitable with described electromagnetic wire core module, the cross-sectional profile profile of described NC terminal and NO terminal is square, the width of this square contour is 0.5～0.7mm, length is 3～4mm.
As a kind of improvement of the present utility model, described electromagnetic wire core module comprises coil and is plugged in the iron core of this hub of a spool position.
As a kind of improvement of the present utility model, described middle shell fragment comprises the vertical portion, kink and the horizontal part that are connected successively, described vertical portion is provided with fixing hole, and on described support, be provided with the fixing salient point suitable with this fixing hole, described pole piece is fixed by a pin to described horizontal part bottom surface, and just to described iron core.
As a kind of improvement of the present utility model, the described horizontal part one end that is connected with described kink is larger, and the other end is and dwindles gradually shape, and contact point described in being provided with.Middle shell fragment is designed beautifully, and has more reliability, and stock utilization is high.
As a kind of improvement of the present utility model, one end of the nearly described contact point of described pole piece is less, the other end is and increases gradually shape, and the bilateral symmetry of this larger one end of pole piece is respectively provided with a pivotable recess, and on described support, is provided with the projection suitable with this pivotable recess.Match with pivotable recess by projection, can greatly promote the stability of pole piece action, improve the opening and closing movement of product.And owing to increasing the area of pole piece, the also corresponding area of dissipation that promoted, good heat dissipation effect.
As a kind of improvement of the present utility model, the bottom of described support is provided with the consistent feet of moving towards with described terminals pin.Effectively avoid the yielding hidden danger of terminals pin of middle shell fragment.
The beneficial effects of the utility model are: the utility model structural design is ingenious, rationally, strengthen the cross-sectional area of NC terminal and NO terminal, effectively increase electric current output, effectively avoid tradition to cause the phenomenon of loose contact because of contact point excess Temperature, job stability is high, and the shape structure of shell fragment and pole piece in appropriate design, newly-designed middle shell fragment not only increases output sectional area, strengthens electric current output, has also reduced raw material; The magnetic force area coverage of newly-designed pole piece is larger, greatly improves the adhesive action of product, further promotes flexibility and the stability of work, safe and reliable, and compact overall structure, easy to assembly, is easy to realize, and is beneficial to extensive popularization.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is the structural representation of the utility model while loading onto housing.
Embodiment
Embodiment: referring to Fig. 1 and Fig. 2, a kind of miniaturization high-current relay that the present embodiment provides, it comprises pedestal 1, NC terminal 2, NO terminal 3, electromagnetic wire core module 4 and middle shell fragment 5, described electromagnetic wire core module 4 is arranged on described pedestal 1, described NC terminal 2 and NO terminal 3 are arranged on a side position of this electromagnetic wire core module 4, the opposite side position of the corresponding described electromagnetic wire core module 4 of described middle shell fragment 5 is arranged on described pedestal 1 by support 6, in this, 51 lower ends, vertical portion of shell fragment 5 are connected with terminals pin 54, in this, horizontal part 53 free ends of shell fragment 5 extend the position between described NC terminal 2 and NO terminal 3, and be provided with contact point 55, middle shell fragment 5 is normality by this contact point 55 with NC terminal 2 and contacts, in this, the horizontal part 53 of shell fragment 5 is provided with the pole piece 7 suitable with described electromagnetic wire core module 4, the residing position of middle shell fragment 5 can make it under any state, keep good job specification, avoid long-time use to produce mechanical fatigue, the cross-sectional profile profile of described NC terminal 2 and NO terminal 3 is square, the width of this square contour is 0.5～0.7mm, length is 3～4mm.In the present embodiment, width is preferably 0.6mm, length is 3.5mm, make NC terminal 2 and NO terminal 3 there is cross-sectional area and increase to 0.6mm × 3.5mm, sectional area increases, and greatly promotes the electric current property led of NC terminal 2 and NO terminal 3, can effectively increase electric current output, effectively avoid tradition to cause the phenomenon of loose contact because of contact point excess Temperature, job stability is high.In addition, increase and have terminals pin 54 in 51 lower ends, vertical portion of middle shell fragment 5, be conducive to strengthen electric current output.Be provided with in the bottom of support 6 and the consistent feet 63 of moving towards of this terminals pin 54, to play the use of this terminals pin 54 of location, make the terminals pin 54 of middle shell fragment 5 not yielding, promote the stability while connection.
Described electromagnetic wire core module 4 comprises coil 41 and is plugged in the iron core 42 of these coil 41 centers; Described middle shell fragment 5 comprises the vertical portion 51, kink 52 and the horizontal part 53 that are connected successively, described vertical portion 51 is provided with fixing hole 56, and on described support 6, be provided with the fixing salient point 61 suitable with this fixing hole 56, described pole piece 7 is fixed by a pin to described horizontal part 53 bottom surfaces, and just to described iron core 42.Described horizontal part 53 one end that is connected with described kink 52 is larger, and the other end is and dwindles gradually shape, and is provided with described contact point 55.The shape of shell fragment 5 structure in appropriate design, newly-designed middle shell fragment 5 not only increases output sectional area, strengthens electric current output, has also reduced raw material, and profile outward appearance.
One end of the nearly described contact point 55 of described pole piece 7 is less, the other end is and increases gradually shape, the shape structure of appropriate design pole piece 7, pole piece 7 is increase the position of shape just in time to face iron core 42, because magnetic force area coverage is larger, and then greatly improve the adhesive action of product, promote the flexibility of work.The bilateral symmetry of pole piece 7 larger one end is respectively provided with a pivotable recess 71, and is provided with the projection 62 suitable with this pivotable recess 71 on described support 6.Match with pivotable recess 71 by projection 62, can greatly promote the stability that pole piece 7 moves, improve the opening and closing movement of product.And owing to increasing the area of pole piece 7, the also corresponding area of dissipation that promoted, good heat dissipation effect.Action demand and the radiating effect of product while meeting high electric current output generation high temperature.
Referring to Fig. 3, the structural representation while loading onto housing 8 for the utility model.When work, the cross-sectional area of NC terminal 2 and NO terminal 3 is preferably enlarged to 0.6mm × 3.5mm by the utility model, through experiment test, the utility model product can be tested by TV-13, lamp load test 13A, 0.3 second moment can be passed through approximately 15 times of electric currents (13 × 15=195A), and its resistive load can be passed through 20A.And also can only pass through 8A than the product test maximum lamp load of this type of 10A in existing practical application, through experimental comparison result, this novel effectively current loading of improving product, improves useful life.
The above, just at present for this novel present situation preferred forms, there is no the modification restriction to this novel other form, and the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model, adopt other relay same or analogous with it, all in the utility model protection range.
Claims (6)
1. a miniaturization high-current relay, it is characterized in that, it comprises pedestal, NC terminal, NO terminal, electromagnetic wire core module and middle shell fragment, described electromagnetic wire core module is arranged on described pedestal, described NC terminal and NO terminal are arranged on a side position of this electromagnetic wire core module, the opposite side position of the corresponding described electromagnetic wire core module of described middle shell fragment is arranged on described pedestal by support, in this, the lower end, vertical portion of shell fragment is connected with terminals pin, in this, the horizontal part free end of shell fragment extends the position between described NC terminal and NO terminal, and be provided with contact point, in this, the horizontal part of shell fragment is provided with the pole piece suitable with described electromagnetic wire core module, the cross-sectional profile profile of described NC terminal and NO terminal is square, the width of this square contour is 0.5～0.7mm, length is 3～4mm.
2. miniaturization high-current relay according to claim 1, is characterized in that, described electromagnetic wire core module comprises coil and is plugged in the iron core of this hub of a spool position.
3. miniaturization high-current relay according to claim 2, it is characterized in that, described middle shell fragment comprises the vertical portion, kink and the horizontal part that are connected successively, described vertical portion is provided with fixing hole, and on described support, be provided with the fixing salient point suitable with this fixing hole, described pole piece is fixed by a pin to described horizontal part bottom surface, and just to described iron core.
4. miniaturization high-current relay according to claim 3, is characterized in that, the described horizontal part one end that is connected with described kink is larger, and the other end is and dwindles gradually shape, and is provided with described contact point.
5. according to the miniaturization high-current relay described in claim 1 or 3, it is characterized in that, one end of the nearly described contact point of described pole piece is less, the other end is and increases gradually shape, the bilateral symmetry of this larger one end of pole piece is respectively provided with a pivotable recess, and on described support, is provided with the projection suitable with this pivotable recess.
6. miniaturization high-current relay according to claim 1, is characterized in that, the bottom of described support is provided with the consistent feet of moving towards with described terminals pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862775.0U CN203707038U (en) | 2013-12-25 | 2013-12-25 | Miniaturized large current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862775.0U CN203707038U (en) | 2013-12-25 | 2013-12-25 | Miniaturized large current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707038U true CN203707038U (en) | 2014-07-09 |
Family
ID=51057438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862775.0U Expired - Lifetime CN203707038U (en) | 2013-12-25 | 2013-12-25 | Miniaturized large current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707038U (en) |
-
2013
- 2013-12-25 CN CN201320862775.0U patent/CN203707038U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |