CN201527938U - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN201527938U CN201527938U CN2009203129771U CN200920312977U CN201527938U CN 201527938 U CN201527938 U CN 201527938U CN 2009203129771 U CN2009203129771 U CN 2009203129771U CN 200920312977 U CN200920312977 U CN 200920312977U CN 201527938 U CN201527938 U CN 201527938U
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- winding
- frame plate
- spring
- quiet spring
- electromagnetic relay
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Abstract
The utility model discloses an electromagnetic relay comprising a magnetic circuit part and a contact part, wherein the magnetic circuit part comprises a coil, yoke iron and an iron core; the coil comprises a coil former, a winding and a coil pin; the contact part comprises a moveable spring with a movable contact, armature iron and a fixed spring part; the coil former comprises a lower frame plate, the winding is positioned in the center of the plate surface of the lower frame plate, and the fixed spring part is installed in the lower frame plate of the coil former; and a groove which steps over between the winding and the fixed spring part along the shortest connecting wire of the plate surface is arranged in the plate surface of the lower frame plate. By adopting the structure, on the premise of not changing the size of the electromagnetic relay and the installation positions of the winding and the fixed spring, the creepage distance between the winding and a load circuit can be prolonged, thereby further improving the performance of the electromagnetic relay.
Description
Technical field
The utility model relates to a kind of electromagnetic relay.
Background technology
Electromagnetic relay is widely used among automatic control equipment, household electrical appliance, the UPS, because the needs of development in science and technology require relay construction compacter, volume is littler, and sensitivity is higher, and functional reliability is higher.And because the structure of relay is compact more, volume is littler, thereby has also just brought the not enough drawback of security performance.A kind of electromagnetic relay of prior art as shown in Figure 1 and Figure 2, this electromagnetic relay comprises magnetic circuit part and contact portion; Magnetic circuit partly include coil 1 ', yoke 6 ' and iron core 7 '; Coil 1 ' comprise bobbin 11 ', winding 12 ' and coil pin 13 '; Contact portion comprise have moving contact 41 ' moving spring 4 ', armature 5 ', have fixed contact 21 ' following quiet spring 2 ', have fixed contact 31 ' upper electrostatic spring 3 ' or spacer; Armature 5 ', moving spring 4 ' be fitted together by the riveting bud 51 ' riveting on the armature; Yoke 6 ', moving spring 4 ' then by the riveting bud 61 on the yoke ' also riveting is fitted together.Moving spring 4 ' also play the effect of reset reed provides the recovery counter-force to relay.Magnetic circuit partly produces electromagnetic force during the excitation of coil 1 ' energising, when electromagnetic force greater than moving spring 4 ' counter-force the time, spring 4 ' motion is moved in armature 5 ' drives, the switching of realization contact, relay is in operate condition.Coil 1 ' excitation value reduces, when electromagnetic force less than moving spring 4 ' counter-force the time, moving spring 4 ' drives armature 5 ' counter motion, the switching of realization contact, relay is in release condition.The electromagnetic relay of this structure, bobbin 11 ' include down frame plate 111 ', winding 12 ' the centre of frame plate 111 ' plate face under being positioned at, it is winding 12 ' the be positioned at centre of relay, bobbin 11 ' following frame plate 111 ' both sides, the place ahead be equipped with down respectively quiet spring 2 ', upper electrostatic spring 3 ' or spacer, bobbin 11 ' following frame plate 111 ' the dead astern be equipped with yoke 6 ', bobbin 11 ' following frame plate 111 ' the both sides, rear be equipped with respectively coil pin 13 '.In the electromagnetic relay of this structure, creepage path between winding and load circuit as shown in Figure 3, Figure 4, this is creepage path 100 ' be actually winding 12 ' to quiet spring (following quiet spring 2 ', upper electrostatic spring 3 ' or spacer) between along bobbin 11 ' the air line distance of following frame plate 111 ' plate face, because relay construction compactness, volume are little, therefore, this is creepage path 100 ' distance shorter, can not satisfy the requirement of reinforced insulation.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of electromagnetic relay is provided, by structural improvement to the following frame plate of bobbin, under the prerequisite that does not change electromagnetic relay size and winding and quiet spring installation site, make the distance in the creepage path between winding and load circuit prolong, thereby the performance of electromagnetic relay is further improved.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electromagnetic relay comprises magnetic circuit part and contact portion; Magnetic circuit partly includes coil, yoke and iron core; Coil comprises bobbin, winding and coil pin; Contact portion comprises moving spring, armature and the quiet spring part that has moving contact; Bobbin includes down frame plate, and winding is positioned at the centre of frame plate plate face down, and quiet spring partly is installed in the following frame plate of bobbin; In the plate face of following frame plate, be provided with cross in described winding and quiet spring partly between along the groove of the shortest connecting line of described plate face.
Described groove is the strip groove, and the shortest connecting line along described plate face is crossed between described winding and quiet spring part in the stage casing of strip groove.
Described quiet spring partly is a slab organization, and described strip groove is along the face body setting that is parallel to slab organization.
Outside the following frame plate of one end pass-out bobbin of described strip groove.
Described quiet spring partly is following quiet spring that has fixed contact and the upper electrostatic spring that has fixed contact, down quiet spring and upper electrostatic spring are installed in the both sides, the place ahead of the following frame plate of bobbin respectively, be provided with two and cross over respectively in the groove along the shortest connecting line of described plate face between described winding and time quiet spring, winding and the upper electrostatic spring in the plate face of frame plate down.
Described quiet spring is partly for having the following quiet spring and the last spacer of fixed contact, down quiet spring and last spacer are installed in the both sides, the place ahead of the following frame plate of bobbin respectively, be provided with two and cross over respectively in the groove along the shortest connecting line of described plate face between described winding and time quiet spring, winding and the last spacer in the plate face of frame plate down.
A kind of electromagnetic relay of the present utility model is that groove is set on bobbin, and this groove is between coil and load circuit, in order to the creepage distance between extension coil and load.
The beneficial effects of the utility model are, since adopted in the plate face of the following frame plate of bobbin, be provided with cross in described winding and quiet spring partly between along the groove of the shortest connecting line of described plate face, can be under the prerequisite that does not change electromagnetic relay size and winding and quiet spring installation site, the creepage path that makes quiet spring partly point to winding not only needs the plate surface through the following frame plate of bobbin, also will be through the cell wall of groove, the distance in creepage path is prolonged, the distance that is the creepage path between winding and load circuit prolongs, have better insulation effect, thereby the performance of electromagnetic relay is further improved.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of electromagnetic relay of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is D structure (side direction) schematic diagram of the electromagnetic relay of prior art;
Fig. 2 is D structure (positive direction) schematic diagram of the electromagnetic relay of prior art;
Fig. 3 is the creepage path schematic diagram of the electromagnetic relay of prior art;
Fig. 4 is structure (the overlooking direction) schematic diagram of the electromagnetic relay of prior art;
Fig. 5 is D structure of the present utility model (positive direction) schematic diagram;
Fig. 6 is a creepage path of the present utility model schematic diagram;
Fig. 7 is structure of the present utility model (overlooking a direction) schematic diagram.
Embodiment
Embodiment, to shown in Figure 7, a kind of electromagnetic relay of the present utility model, electromagnetic relay comprise magnetic circuit part and contact portion referring to Fig. 5; Magnetic circuit partly includes coil 1, yoke 6 and iron core 7; Coil 1 comprises bobbin 11, winding 12 and coil pin 13; Contact portion comprises moving spring 4, armature 5, the following quiet spring 2 that has fixed contact 21 that has moving contact 41, upper electrostatic spring 3 or the spacer that has fixed contact 31; Armature 5, moving spring 4 are fitted together by 51 rivetings of the bud of the riveting on the armature; Moving spring 4 is connected with yoke 6 assemblings.Moving spring 4 also plays the effect of reset reed, provides the recovery counter-force to relay.Magnetic circuit partly produces electromagnetic force during coil 1 energising excitation, and when electromagnetic force during greater than the counter-force of moving spring 4, armature 5 drives moving spring 4 motions, realizes the switching of contact, and relay is in operate condition.Coil 1 excitation value reduces, and when electromagnetic force during less than the counter-force of moving spring 4, moving spring 4 drives armature 5 counter motions, realizes the switching of contact, and relay is in release condition.The electromagnetic relay of this structure, bobbin 11 includes down frame plate 111, winding 12 is positioned at the centre of frame plate 111 plate faces down, it is the centre that winding 12 is positioned at relay, the both sides, the place ahead of the following frame plate 111 of bobbin 11 are equipped with down quiet spring 2, upper electrostatic spring 3 or spacer respectively, yoke 6 is equipped with in the dead astern of the following frame plate 111 of bobbin 11, and the both sides, rear of the following frame plate 111 of bobbin 11 are equipped with coil pin 13 respectively.In the plate face of following frame plate 111, be provided with groove 112, the groove 113 crossed over respectively between described winding 12 and time quiet spring 2, winding 12 and the upper electrostatic spring 3 along the shortest connecting line of described plate face.
Wherein:
Described groove 112 is the strip groove, the stage casing of strip groove 112 cross in described winding 12 and down between the quiet spring 2 along the shortest connecting line of described plate face;
Described groove 113 is the strip groove, the stage casing of strip groove 113 cross in described winding 12 and down between the quiet spring 3 along the shortest connecting line of described plate face;
Described quiet spring 2 down is a slab organization, and strip groove 112 is along being parallel to the face body setting of the slab organization of quiet spring 2 down;
Described upper electrostatic spring 3 is a slab organization, and strip groove 113 is the face body settings along the slab organization that is parallel to upper electrostatic spring 3;
Outside the following frame plate 111 of one end pass-out bobbin of described strip groove 112;
Outside the following frame plate 111 of one end pass-out bobbin of described strip groove 113.
When upper electrostatic spring changes into when adopt going up spacer, then strip groove 113 is provided in a side of the groove of crossing between described winding and last spacer along the shortest connecting line of described plate face.
A kind of electromagnetic relay of the present utility model is that groove is set on bobbin, and this groove is between coil and load circuit, in order to the creepage distance between extension coil and load.
Below following quiet spring 2 change in the creepage path between winding and load circuit is described for example, referring to shown in Figure 6, in fact creepage path between winding and load circuit is exactly the creepage path between following quiet spring 2 and the winding 12, this is creepage, and path 100 is from following quiet spring 2, surface along the following frame plate 111 of bobbin, then by strip groove 112, promptly creep along the trough wall surface of strip groove 112, the surface of the following frame plate 111 of coils frame again, arrive winding 12 at last, because strip groove 112 has been arranged, therefore, the distance in this is creepage path 100 than the creepage path 100 of original structure ' distance longer, under the prerequisite that does not change electromagnetic relay size and winding and quiet spring installation site, have better insulation effect, thereby the performance of electromagnetic relay is further improved.
The foregoing description only is used for further specifying a kind of electromagnetic relay of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. an electromagnetic relay comprises magnetic circuit part and contact portion; Magnetic circuit partly includes coil, yoke and iron core; Coil comprises bobbin, winding and coil pin; Contact portion comprises moving spring, armature and the quiet spring part that has moving contact; Bobbin includes down frame plate, and winding is positioned at the centre of frame plate plate face down, and quiet spring partly is installed in the following frame plate of bobbin; It is characterized in that: in the plate face of following frame plate, be provided with cross in described winding and quiet spring partly between along the groove of the shortest connecting line of described plate face.
2. electromagnetic relay according to claim 1 is characterized in that: described groove is the strip groove, and the shortest connecting line along described plate face is crossed between described winding and quiet spring part in the stage casing of strip groove.
3. electromagnetic relay according to claim 2 is characterized in that: described quiet spring partly is slab organization, and described strip groove is along the face body setting that is parallel to slab organization.
4. according to claim 2 or 3 described electromagnetic relays, it is characterized in that: outside the following frame plate of an end pass-out bobbin of described strip groove.
5. electromagnetic relay according to claim 1, it is characterized in that: described quiet spring partly is following quiet spring that has fixed contact and the upper electrostatic spring that has fixed contact, down quiet spring and upper electrostatic spring are installed in the both sides, the place ahead of the following frame plate of bobbin respectively, be provided with two and cross over respectively in the groove along the shortest connecting line of described plate face between described winding and time quiet spring, winding and the upper electrostatic spring in the plate face of frame plate down.
6. electromagnetic relay according to claim 1, it is characterized in that: described quiet spring is partly for having the following quiet spring and the last spacer of fixed contact, down quiet spring and last spacer are installed in the both sides, the place ahead of the following frame plate of bobbin respectively, be provided with two and cross over respectively in the groove along the shortest connecting line of described plate face between described winding and time quiet spring, winding and the last spacer in the plate face of frame plate down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203129771U CN201527938U (en) | 2009-10-21 | 2009-10-21 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203129771U CN201527938U (en) | 2009-10-21 | 2009-10-21 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527938U true CN201527938U (en) | 2010-07-14 |
Family
ID=42519220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203129771U Expired - Lifetime CN201527938U (en) | 2009-10-21 | 2009-10-21 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321033A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | The electromagnetic relay of pressure-resistant performance between a kind of raising contact |
| CN110164725A (en) * | 2015-04-07 | 2019-08-23 | 松下知识产权经营株式会社 | Electromagnetic relay |
-
2009
- 2009-10-21 CN CN2009203129771U patent/CN201527938U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164725A (en) * | 2015-04-07 | 2019-08-23 | 松下知识产权经营株式会社 | Electromagnetic relay |
| CN110223868A (en) * | 2015-04-07 | 2019-09-10 | 松下知识产权经营株式会社 | Electromagnetic relay |
| USRE48964E1 (en) | 2015-04-07 | 2022-03-08 | Panasonic Intellectual Property Management Co., Ltd. | Electromagnetic relay |
| CN108321033A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | The electromagnetic relay of pressure-resistant performance between a kind of raising contact |
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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 |
Granted publication date: 20100714 |
|
| CX01 | Expiry of patent term |