CN201252059Y - Electromagnetic switch - Google Patents
Electromagnetic switch Download PDFInfo
- Publication number
- CN201252059Y CN201252059Y CNU200820120234XU CN200820120234U CN201252059Y CN 201252059 Y CN201252059 Y CN 201252059Y CN U200820120234X U CNU200820120234X U CN U200820120234XU CN 200820120234 U CN200820120234 U CN 200820120234U CN 201252059 Y CN201252059 Y CN 201252059Y
- Authority
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- China
- Prior art keywords
- winding
- electromagnetic switch
- movable contact
- iron core
- pull
- 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 - Lifetime
Links
- 238000004804 winding Methods 0.000 claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 241001124569 Lycaenidae Species 0.000 abstract 1
- 235000014987 copper Nutrition 0.000 abstract 1
- 230000005672 electromagnetic field Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Electromagnets (AREA)
Abstract
The utility model provides an improved electromagnetic switch belonging to the technical field of switches, which solves the problems that the prior electromagnetic switch has high production cost and low stability. The electromagnetic switch comprises an electromagnetic part and a switch part; the electromagnetic part comprises a cylindrical winding support with an iron core inside, and a winding is wound on the cylindrical winding; the switch part is arranged at the end part of the winding support; the winding is in a structure of internal-external layers; the internal layer is a pull-in winding and the external layer is an inhibit winding; and the pull-in winding and the inhibit winding are respectively made of different conductor materials. The winding of the electromagnetic switch uses the structure of the internal-external layers, the internal layer or the external layer is made of other conductor materials with relatively low prices instead of the previous coppers, so the production cost is greatly reduced.
Description
Technical field
The utility model belongs to the switching technique field, relates to a kind of switch that utilizes the variation of electromagnetic field and operate, particularly a kind of electromagnetic switch.
Background technology
Electromagnetic switch is divided two kinds of AC and DCs, generally be used for power equipment remote, Fraquent start and connect usefulness with disjunction, utilize push-button switch to pass through electromagnetic switch and control used power equipment safe and efficiently, control the work of high pressure, high current flow devices with less voltage and current, have safe and reliable advantage.
Many parts in the electromagnetic switch all adopt copper product to be made, but along with the rise of copper valency in the market, make the production cost of electromagnetic switch also increase, the production cost that how to reduce electromagnetic switch also just becomes each electromagnetic switch manufacturer urgent problem at present.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing electromagnetic switch, and has proposed a kind of reliability height, the electromagnetic switch that production cost is lower.
The purpose of this utility model can realize by following technical proposal: a kind of electromagnetic switch, comprise electromagnet part and switch sections, described electromagnet comprises that partly inside has the tubular coil brace of iron core, be wound with coil on the coil brace, above-mentioned switch sections is arranged at the end of coil brace, it is characterized in that, described coil is inside and outside double-layer structure, internal layer is a pull in winding, skin is a hold-in winding, and above-mentioned pull in winding adopts different electric conducting materials to be made respectively with hold-in winding.
The principle of electromagnetic switch is to little electric current of coil, and the electromagnetic field of generation drives the iron core motion, makes the circuit closure of switch sections, and the electric current of power supply just flows to high-power electric equipment by switch sections like this.The coil of this electromagnetic switch adopts inside and outside double-layer structure setting, and internal layer is a pull in winding, and skin be hold-in winding, and the electromagnetic field acting in conjunction that produces behind two coil electricities is on iron core, and the drive iron core moves.Only need keep the continuation energising of hold-in winding after the switch sections closure, the electromagnetic field that hold-in winding produces is enough to keep iron core and keeps state with the switch sections closure.Hold-in winding wherein optionally adopts different electric conducting materials to make with pull in winding.
In above-mentioned a kind of electromagnetic switch, described pull in winding adopts the albronze material to form, and described hold-in winding adopts copper product to be made.Under the prerequisite that does not influence the electromagnetic switch operate as normal, pull in winding uses the relatively cheap electric conducting material of some prices to substitute original copper.
In above-mentioned a kind of electromagnetic switch, described coil brace be contained in the shell after iron core cooperates, be provided with the elastomeric pad of sheet between the end face of above-mentioned coil brace and the shell.Elastomeric pad has been filled up existing space between the end face of coil brace and the shell.
In above-mentioned a kind of electromagnetic switch, described elastomeric pad ringwise, the side of pad is in wave shape.
In above-mentioned a kind of electromagnetic switch, described switch sections comprises cover plate and wears on the cover board two fixed contacts, be provided with movable contact rod between fixed contact and the iron core, above-mentioned movable contact rod is provided with energy while and above-mentioned two movable contact springs that fixed contact contacts, be socketed with back-moving spring on the movable contact rod, and the two ends of back-moving spring contact with cover plate with movable contact spring respectively.
The two ends of each fixed contact lay respectively at the both sides of cover plate, and the inner of fixed contact is used for contacting with movable contact spring, and the outer end is connected in the supply line of power equipment.Movable contact rod is perpendicular to the cover plate setting, behind the coil electricity, the stressed back of iron core is yearned for the cover plate direction along iron mandrel and is promoted movable contact rod, the movable contact spring while on movable contact rod and the interior end in contact of two fixed contacts, in the process that the movable contact rod that promotes iron core moves, back-moving spring is continued compression.By the conducting of movable contact spring institute, supply line's closure of power equipment is finished the power supply to power equipment between two fixed contacts.Behind the coil blackout, the elastic force of back-moving spring acts on the movable contact spring, promotes movable contact spring and movable contact rod the inner away from fixed contact, the power equipment dead electricity.Back-moving spring is socketed on the movable contact rod, plays location and reset response.
Compared with prior art, outer double-layer structure in the coil of this electromagnetic switch uses, internal layer wherein or the outer electric conducting material that uses other prices to hang down some relatively replace original copper to form.And utilize to inhale and draw iron core and keep two kinds of different this point of the needed electromagnetic field intensity of situation of iron core, the conduction time of timely adjustment pull in winding, under the prerequisite that does not influence the electromagnetic switch operate as normal, lowered the consumption of the production cost and the energy greatly.
In addition, be provided with corrugated elastomeric pad, prevent that coil brace from play taking place vertically, increased the reliability of electromagnetic switch, can also play the effect of vibration damping simultaneously in the end face and the gap between the shell of coil brace.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of this electromagnetic switch.
Fig. 2 is the perspective view of this electromagnetic switch Intermediate gasket.
Among the figure, 1, coil brace; 2, iron core; 31, hold-in winding; 32, pull in winding; 4, shell; 5, cover plate; 6, pad; 7, iron core spring; 8, fixed contact; 9, movable contact rod; 91, movable contact spring; 10, back-moving spring.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this electromagnetic switch comprises a coil brace 1 cylindraceous, the inside of coil brace 1 is provided with the iron core of being made by soft iron 2, the outer surface of coil brace 1 is wound with coil, coil is inside and outside double-layer structure, internal layer is a pull in winding 32, and skin is a hold-in winding 31, hold-in winding 31 the line is busy the circle total amount 1/3 to 2/5.In the present embodiment, hold-in winding 31 adopts copper product to be made, and pull in winding 32 adopts the albronze material to form.
Coil brace 1 be contained in the shell 4 after iron core 2 cooperates, the end face of an end of coil brace 1 and the gap between the shell 4 are provided with the elastomeric pad 6 of sheet, the side of elastomeric pad 6 is in wave shape.
Cover plate 5 is stamped in another end of coil brace 1, be vertically installed with two fixed contacts 8 on the cover plate 5, each fixed contact 8 passes cover plate 5, and fixed contact 8 is inner near an end of coil brace 1, then the other end is the outer end, and the outer end is connected in the supply line of power equipment.Be provided with a movable contact rod 9 between cover plate 5 and the iron core 2, movable contact rod 9 is provided with movable contact spring 91, one end of movable contact rod 9 extend into coil brace 1 inside, and the other end is with a back-moving spring 10, and the two ends of back-moving spring 10 act on respectively on movable contact spring 91 and the cover plate 5.Also be provided with iron core spring 7 between iron core 2 and the cover plate 5.
After pull in winding 32 and hold-in winding 31 were switched on simultaneously, the electromagnetic field acting in conjunction of generation drove iron core 2 and moves to cover plate 5 directions on iron core 2.Iron core 2 stretches into an end in contact of coil brace 1 inside with movable contact rod 9 in motion process, and promote movable contact rod 9 and movable contact spring 91 together advances with iron core 2, contact with two fixed contacts 8 simultaneously until movable contact spring 91, in this process, back-moving spring 10 is continued compression.By after 91 conductings of movable contact spring, the supply line of power equipment then realizes closure, finishes the power supply to power equipment between two fixed contacts 8.Iron core 2 compresses iron core spring 7 in motion process equally.
Then, pull in winding 32 is stopped energising, and hold-in winding 31 continues energising, the electromagnetic field that has only hold-in winding 31 generations this moment is to iron core 2 effects, and the elastic force that makes iron core 2 overcome iron core spring 7 continues movable contact spring 91 is pressed on two fixed contacts 8.
After hold-in winding 31 and pull in winding 32 all cut off the power supply, magnetic field diminishes, the active force that acts on movable contact rod 9 and the iron core 2 is also cancelled thereupon, and the elastic force of back-moving spring 10 acts on the movable contact spring 91, promote movable contact spring 91 and movable contact rod 9 away from fixed contact 8, the supply line of power equipment disconnects.Same, iron core spring 7 also back into initial position with iron core 2.
Claims (5)
1, a kind of electromagnetic switch, comprise electromagnet part and switch sections, described electromagnet comprises that partly inside has the tubular coil brace (1) of iron core (2), coil brace is wound with coil on (1), and above-mentioned switch sections is arranged at the end of coil brace (1), it is characterized in that, described coil is inside and outside double-layer structure, internal layer is pull in winding (32), and skin is hold-in winding (31), and above-mentioned pull in winding (32) adopts different electric conducting materials to be made respectively with hold-in winding (31).
2, a kind of electromagnetic switch according to claim 1 is characterized in that, described pull in winding (32) adopts the albronze material to form, and described hold-in winding (31) adopts copper product to be made.
3, a kind of electromagnetic switch according to claim 1 and 2, it is characterized in that, described coil brace (1) be contained in the shell (4) after iron core (2) cooperates, be provided with the elastomeric pad (6) of sheet between the end face of above-mentioned coil brace (1) and the shell (4).
4, a kind of electromagnetic switch according to claim 3 is characterized in that, described elastomeric pad (6) ringwise, the side of pad (6) is in wave shape.
5, a kind of electromagnetic switch according to claim 1 and 2, it is characterized in that, described switch sections comprises cover plate (5) and is located in two fixed contacts (8) on the cover plate (5), be provided with movable contact rod (9) between fixed contact (8) and the iron core (2), above-mentioned movable contact rod (9) is provided with the movable contact spring (91) that can contact with above-mentioned two fixed contacts (8) simultaneously, be socketed with back-moving spring (10) on the movable contact rod (9), and the two ends of back-moving spring (10) contact with cover plate (5) with movable contact spring (91) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820120234XU CN201252059Y (en) | 2008-06-20 | 2008-06-20 | Electromagnetic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820120234XU CN201252059Y (en) | 2008-06-20 | 2008-06-20 | Electromagnetic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201252059Y true CN201252059Y (en) | 2009-06-03 |
Family
ID=40747732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820120234XU Expired - Lifetime CN201252059Y (en) | 2008-06-20 | 2008-06-20 | Electromagnetic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201252059Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241033A (en) * | 2013-06-05 | 2014-12-24 | 株式会社日立制作所 | Actuator for contactor |
| CN105655203A (en) * | 2014-12-02 | 2016-06-08 | 罗伯特·博世有限公司 | Electromagnetic relay, starting relay especially used for starting device |
| CN106449326A (en) * | 2016-12-02 | 2017-02-22 | 余姚市嘉荣电子电器有限公司 | Closing maintaining structure for leakage protector |
| CN107599855A (en) * | 2017-08-07 | 2018-01-19 | 上海斐讯数据通信技术有限公司 | A kind of adaptive charging device and AGV navigation vehicles |
| US9875871B2 (en) | 2014-06-26 | 2018-01-23 | Johnson Electric S.A. | Solenoid switch |
| CN109427509A (en) * | 2017-09-04 | 2019-03-05 | 比亚迪股份有限公司 | Relay |
-
2008
- 2008-06-20 CN CNU200820120234XU patent/CN201252059Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241033A (en) * | 2013-06-05 | 2014-12-24 | 株式会社日立制作所 | Actuator for contactor |
| CN104241033B (en) * | 2013-06-05 | 2017-04-12 | 株式会社日立产机系统 | Actuator for contactor |
| US9875871B2 (en) | 2014-06-26 | 2018-01-23 | Johnson Electric S.A. | Solenoid switch |
| CN105655203A (en) * | 2014-12-02 | 2016-06-08 | 罗伯特·博世有限公司 | Electromagnetic relay, starting relay especially used for starting device |
| CN106449326A (en) * | 2016-12-02 | 2017-02-22 | 余姚市嘉荣电子电器有限公司 | Closing maintaining structure for leakage protector |
| CN106449326B (en) * | 2016-12-02 | 2019-04-26 | 余姚市嘉荣电子电器有限公司 | A kind of actuation maintenance structure of earth leakage protective device |
| CN107599855A (en) * | 2017-08-07 | 2018-01-19 | 上海斐讯数据通信技术有限公司 | A kind of adaptive charging device and AGV navigation vehicles |
| CN107599855B (en) * | 2017-08-07 | 2021-05-07 | 台州市吉吉知识产权运营有限公司 | Self-adaptive charging device and AGV navigation vehicle |
| CN109427509A (en) * | 2017-09-04 | 2019-03-05 | 比亚迪股份有限公司 | Relay |
| CN109427509B (en) * | 2017-09-04 | 2020-08-25 | 比亚迪股份有限公司 | Relay with a movable contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HUANFANG AUTOMOBILE ELECTRIC APPLIANCE CO Free format text: FORMER OWNER: ZHUANG DAOFANG Effective date: 20110728 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110728 Address after: 317602 Hongqi Industrial Zone, Kanmen Subdistrict Office, Taizhou, Zhejiang, Yuhuan County Patentee after: Zhejiang Huanfang Automobile Electric Appliance Co., Ltd. Address before: 317602 Kanmen Yuhuan County Hongqi Industrial Zone Zhejiang Zhejiang Fang Fang Automobile Electric Appliance Co., Ltd. Patentee before: Zhuang Daofang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |
|
| CX01 | Expiry of patent term |