CN204029723U - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN204029723U CN204029723U CN201420450289.2U CN201420450289U CN204029723U CN 204029723 U CN204029723 U CN 204029723U CN 201420450289 U CN201420450289 U CN 201420450289U CN 204029723 U CN204029723 U CN 204029723U
- Authority
- CN
- China
- Prior art keywords
- binding post
- iron core
- fixed
- set casing
- contact
- 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.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011241 protective layer Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 10
- 239000012634 fragment Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000013935 Electric injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Magnetic Treatment Devices (AREA)
Abstract
The utility model discloses a kind of electromagnetic relay, comprise shell, described enclosure is provided with electromagnetic unit, electromagnetic unit is fixed on the upper end of shell by set casing, it comprises two binding posts, coil and iron cores being arranged in set casing, coil by a copper wire around the home in the outside of iron core, the two ends of described copper wire are connected with described binding post by wire respectively, described iron core upper end is fixed on the top of set casing, the lower end of iron core is fixed on the bottom of set casing, and the lower end of described iron core is connected with the first iron pan that is provided with the first contact; Described outer casing bottom is provided with spring, and spring upper end is connected with the second iron pan that is provided with the second contact; Described binding post top is provided with the binding post of screw or hole clipping, on binding post outer wall, is arranged with insulating protective layer.By the way, the utility model can fixedly secure and not damage fixed part, and minimizing elastic loss causes the damage of relay, utilizes to greatest extent and control accurately electromagnetic force.
Description
Technical field
The utility model relates to electric and electronic technical field, particularly relates to a kind of electromagnetic relay.
Background technology
Relay is a kind of electric control device, is in the time that the variation of input variable reaches regulation requirement, makes controlled volume that a kind of electrical equipment that predetermined step changes occurs in electric output circuit.It has control system and by the effect of interactive relationship between control system.
The many employings of existing relay are direct insertion, easily cause virtual connection to touch or in the course of the work because vibration comes off, easily cause the lax of socket in the time changing.And the contact of relay adopts spring-piece type more, very easily elastic loss and damaging.Iron core in electromagnetic type relay and coil are fixed to marginal position conventionally, transmit magnetic force reach electromagnetic effects by shell fragment, can cause the loss that electromagnetic force is certain.
Therefore, need a kind of electromagnetic relay, can be good at fixed relay, do not damage again miscellaneous part, adopt better elastomeric element, reduce the damage that elastic loss causes, directly the iron core of fixing absorption type, utilizes electromagnetic force to greatest extent, can control more accurately electromagnetic force.
Utility model content
The utility model technical issues that need to address are to provide a kind of electromagnetic relay, can fixedly secure and do not damage fixed part, reduce the damage of the relay that elastic loss causes, and utilize to greatest extent and control accurately electromagnetic force.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of electromagnetic relay is provided, comprise shell, described enclosure is provided with electromagnetic unit, described electromagnetic unit is fixed on the upper end of shell by set casing, it comprises two binding posts, coil and iron cores being arranged in set casing, described coil by a copper wire around the home in the outside of described iron core, the two ends of described copper wire are connected with described binding post by wire respectively, described iron core upper end is fixed on the top of described set casing, and the lower end of iron core is fixed on the bottom of described set casing; And,
Described iron core lower end is connected with the first iron pan, and described the first iron pan central authorities are provided with the first contact;
The bottom of described shell is provided with fixed head, on described fixed head, is fixed with spring, and spring top is connected with the second iron pan, and described the second iron pan central authorities are provided with the second contact;
Described binding post top is provided with the binding post of screw or hole clipping, on described binding post outer wall, is arranged with insulating protective layer;
Described cover top portion is provided with two grooves, and described binding post is arranged in corresponding groove.
Further, described copper wire is outside equipped with one deck insulating coating, and described coil inner peripheral is equipped with insulation wall.
Further, described spring bottom plate is rotated with and fixes on fixed head.
Further, described the first contact and the second contact are hemispherical.
The beneficial effects of the utility model are: the utility model technique is simple, and high life is easy to operate, adopt spring to replace shell fragment, and spring has better restorative, has effectively reduced the damage that elastic loss causes; Adopt iron core central authorities fixing, direct absorbing type structure, better utilizes electromagnetic force, can control more accurately the size of electromagnetic force; The binding post that adopts screw or hole clipping formula, can utilize binding post fixed relay, prevents the virtual connection of circuit and the damage of firm banking.
Brief description of the drawings
Fig. 1 is the perspective view of the utility model electromagnetic relay;
Fig. 2 be shown in the binding post vertical view of electromagnetic relay;
Fig. 3 is the spring connection diagram of electromagnetic relay;
In accompanying drawing, the mark of each parts is as follows: 1, shell, 2, electromagnetic unit, 20, binding post, 200, insulating protective layer, 201, binding post, 202, groove, 21, coil, 22, iron core, 23, set casing, 3, the first iron pan, 30, the first contact, 4, fixed head, 5, spring, 6, the second iron pan, 60, the second contact.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection range of the present utility model is made to more explicit defining.
Refer to Fig. 1 and Fig. 2, the utility model embodiment comprises:
A kind of electromagnetic relay, comprises shell 1, and shell 1 uses insulating material to make cuboid or cylindrical shape, for fixing internal device, cuts off the interchange of shell 1 interior dispatch from foreign news agency, and described shell 1 inside is provided with electromagnetic unit 2.Described electromagnetic unit 2 is fixed on the upper end of shell 1 by set casing 23, it comprises two binding posts 20, coil 21 and the iron core 22 that are arranged in set casing 23, described coil 21 by a copper wire around the home in the outside of described iron core 22, described coil 21 inner peripheral are equipped with insulation wall, the electric injury that prevents coil 21 from contacting with other conductive components and to cause, the two ends of described copper wire are connected with described binding post 20 by wire respectively, and described copper wire has insulating coating outward, prevent copper wire respectively the section of circle by short circuit.Described iron core 22 upper ends are fixed on the top of described set casing 23, and the lower end of iron core 22 is fixed on the bottom of described set casing 23, and whole coil 21 and iron core 22 are fixedly secured.Described iron core 22 lower ends are connected with the first iron pan 3, and described the first iron pan 3 central authorities are provided with the first contact 30.
Described binding post 20 tops are provided with the binding post 201 of screw or hole clipping, by screw or the locked binding post 201 of buckle, thereby electromagnetic relay are fixed on firm banking.On described binding post 201 outer walls, be arranged with insulating protective layer 200, prevent that two binding posts 201 are every empty electrical breakdown.
Described shell 1 top is provided with two grooves 202, described binding post 201 is arranged in corresponding groove 202, therefore the surface of binding post 201 is positioned at below described groove 202 planes, and electromagnetic relay and firm banking are better fitted, and two binding posts 201 are better kept apart.
As shown in Figure 3, the bottom of described shell 1 is provided with fixed head 4, on described fixed head 4, is fixed with spring 5, and described spring 5 bottom plate are rotated with and fix on fixed head 4, and spring 5 is more stably fixed on fixed head 4.Described spring 5 tops are connected with the second iron pan 6, and described the second iron pan 6 central authorities are provided with the second contact 60.
Described the first contact 30 and the second contact 60 are hemispherical.After coil 21 energisings, the hemisphere of described the first contact 30 attracts to contact with the hemisphere of described the second contact 60 mutually.Described spring 5 is metallic conduction material, outside described iron core 22 and spring 5, is connected in same electric unit.
Two binding posts 201 are fixed on firm banking by screw or buckle respectively, and power supply input contact and described binding post 201 that firm banking is provided with are connected, and make coil 21, binding post 22 and power supply input contact series connection.After power supply input contacting power supply, coil 21, binding post 22 and power supply form loop, coil 21 energisings generate an electromagnetic field, be arranged on electromagnetic relay central authorities and directly obtained magnetic by the cingens iron core 22 of coil 21, attract the second iron pan 6 being connected with spring 5, the second contact 60 on the first contact 30 and the second iron pan 6 on described the first iron pan 3 contacts, and the iron core 22 and spring 5 series connection that connect in same electric unit are connected, and form circuit loop.After the deenergization of power supply input contact, the magnetic of coil 21 reduces gradually, the spring 5 being stretched pulls the second iron pan 6 under the effect of restoring force, in the time that electromagnetic force is less than the restoring force of spring 5, separately, the electric unit at iron core 22 and spring 5 places is cut off the electricity supply to form and is opened circuit for the first contact 30 and the second contact 60.
The utility model technique is simple, and high life is easy to operate, adopts spring to replace shell fragment, and spring has better restorative, has effectively reduced the damage that elastic loss causes; Adopt iron core central authorities fixing, direct absorbing type structure, better utilizes electromagnetic force, can control more accurately the size of electromagnetic force; The binding post that adopts screw or hole clipping formula, can utilize binding post fixed relay, prevents the virtual connection of circuit and the damage of firm banking.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an electromagnetic relay, comprise shell (1), described shell (1) inside is provided with electromagnetic unit (2), it is characterized in that, described electromagnetic unit (2) is fixed on the upper end of shell (1) by set casing (23), it comprises two binding posts (20) that are arranged in set casing (23), coil (21) and iron core (22), described coil (21) by a copper wire around the home in the outside of described iron core (22), the two ends of described copper wire are connected with described binding post (20) by wire respectively, described iron core (22) upper end is fixed on the top of described set casing (23), the lower end of iron core (22) is fixed on the bottom of described set casing (23), and,
Described iron core (22) lower end is connected with the first iron pan (3), and described the first iron pan (3) central authorities are provided with the first contact (30);
The bottom of described shell (1) is provided with fixed head (4), on described fixed head (4), be fixed with spring (5), spring (5) top is connected with the second iron pan (6), and described the second iron pan (6) central authorities are provided with the second contact (60);
Described binding post (20) top is provided with the binding post (201) of screw or hole clipping, on described binding post (201) outer wall, is arranged with insulating protective layer (200);
Described shell (1) top is provided with two grooves (202), and described binding post (201) is arranged in corresponding groove (202).
2. electromagnetic relay according to claim 1, is characterized in that, described copper wire is outside equipped with one deck insulating coating.
3. electromagnetic relay according to claim 1, is characterized in that, described coil (21) inner peripheral is equipped with insulation wall.
4. electromagnetic relay according to claim 1, is characterized in that, described spring (5) bottom plate is rotated with and fixes on fixed head (4).
5. electromagnetic relay according to claim 1, is characterized in that, described the first contact (30) is hemispherical with the second contact (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450289.2U CN204029723U (en) | 2014-08-11 | 2014-08-11 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420450289.2U CN204029723U (en) | 2014-08-11 | 2014-08-11 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029723U true CN204029723U (en) | 2014-12-17 |
Family
ID=52069557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420450289.2U Expired - Fee Related CN204029723U (en) | 2014-08-11 | 2014-08-11 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204029723U (en) |
-
2014
- 2014-08-11 CN CN201420450289.2U patent/CN204029723U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20160811 |