CN202034307U - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
- Publication number
- CN202034307U CN202034307U CN2011201345913U CN201120134591U CN202034307U CN 202034307 U CN202034307 U CN 202034307U CN 2011201345913 U CN2011201345913 U CN 2011201345913U CN 201120134591 U CN201120134591 U CN 201120134591U CN 202034307 U CN202034307 U CN 202034307U
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- electromagnetic
- electromagnetic relay
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- yoke
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Abstract
An electromagnetic relay comprises a housing component consisting of a base and a housing, wherein, an electromagnetic component is arranged in the housing component; the electromagnetic component comprises a coil component, a yoke and an iron core; a partition component is arranged on the base and corresponds to the electromagnetic component; and the partition component comprises a first boss and a second boss which are both L-shaped. In the utility model, the partition component is additionally arranged on the base, so an arc generated when the contact of the electromagnetic relay is powered off is intercepted by the L-shaped first boss and second boss; both the creepage distance and the isolating arc capability between the yoke and the coil input ends are improved; the broken arc generated during the test or long-time working of the electromagnetic relay, as well as the short circuit or explosion or other potential safety hazards caused by direct bridge between the coil and yoke, are avoided so as to provide short-circuit prevention and explosion-protection functions for the electromagnetic relay; moreover, the electromagnetic relay has the characteristics of simple structure, strong universality, safety and reliability, and can be applied to average electromagnetic relays.
Description
Technical field
The utility model relates to a kind of relay, particularly a kind of electromagnetic relay.
Background technology
Relay is a kind of electronic control device, is applied to usually in the automatic control circuit, and it is actually with less current and goes to control a kind of of big electric current " automatic switch ", so in circuit, play effects such as automatic adjusting, safeguard protection, change-over circuit.
A kind of electromagnetic relay was disclosed on September 27th, 2006 as Chinese patent literature CN1838360A, it is by the contact reed, iron core, coil, yoke, armature, moving contact and fixed contact, the electromagnetic system and the wiring system of compositions such as lead-in wire and fix the skeleton of these electromagnetic systems and wiring system, pedestal and case are formed, it is characterized in that: described pedestal is divided into two spaces that isolate mutually, a space mounting is by iron core, coil, yoke, the electromagnetic system that armature is formed, another space mounting is by moving contact, movable contact spring and fixed contact, the wiring system that static contact spring piece is formed.It is said that it has the advantages that volume is little, power is big, voltage endurance capability is strong.But there is deficiency in this structure to the isolation electric arc ability of yoke and coil input end, and the outage arc that causes relay to produce when test or long-term work causes short circuit with coil and the direct bridge joint of yoke, can occur blast when serious and wait other potential safety hazard.Therefore, be necessary to be further improved and perfect.
The utility model content
The purpose of this utility model aims to provide a kind of electromagnetic relay simple and reasonable, easy to process, safe and reliable and with low cost, to overcome weak point of the prior art.
A kind of electromagnetic relay by this purpose design, comprise the housing unit that base and shell are assembled, be provided with electromagnetic assembly in the housing unit, electromagnetic assembly comprises coil block, yoke and iron core, and its architectural feature is that the position of the corresponding electromagnetic assembly of described base is provided with the partition wall assembly.
Described partition wall assembly comprises first boss and second boss, and first boss, second boss are L-shaped, and itself and base are for being wholely set; Be provided with distance between first boss and second boss, formation one can be held the fitting recess of yoke; One end of yoke is sheathed on the fitting recess, and is mutually permanently connected with base.
The height of described first boss and second boss is thickness 2-5 a times of yoke; First boss and second boss are for being symmetrical arranged.
The other end of described yoke is provided with armature and movable contact spring assembly, and the movable contact spring assembly comprises movable contact spring and the film pad that is arranged on the support, the mutual riveted and fixed of film pad and support; Be connected with extension spring between movable contact spring assembly and the armature.
Described coil block is arranged between armature and the film pad, and this coil block comprises bobbin and the fixing coil of solderless wrapped connection with it, and the wall of coil is provided with insulating tape; Iron core passes bobbin, and with the mutual socket of bobbin.
Offer more than one inserted sheet holddown groove on the described base, the inserted sheet holddown groove is provided with inserted sheet and static contact assembly; This static contact assembly comprises the static contact that has fixed contact, and the position of the corresponding fixed contact of movable contact spring is provided with moving contact, is provided with short-circuited conducting sleeve between moving contact and the bobbin, and an end of moving contact passes movable contact spring, cooperatively interacts fixing with short-circuited conducting sleeve.The other end of moving contact and fixed contact adhesive are fixed or are separated from each other.
The bottom of described shell offers the groove position, and the projection on itself and the base connects and fixes mutually or is fastened; Inserted sheet on the base is connected with lead, is electrically connected with external power source.
On the base of the present utility model by setting up the partition wall assembly, the electric arc that the energising of electromagnetic relay contact is produced when disconnecting can be tackled by the first L-shaped boss and second boss, and improved the ability of the creepage distance and the isolation electric arc of yoke and coil input end position, the outage arc of avoiding electromagnetic relay when test or long-term work, to produce, coil and the direct bridge joint of yoke are caused short circuit or blast and wait other potential safety hazard, can play anti-short circuit and explosion prevention function electromagnetic relay.Simultaneously it has simple in structure, highly versatile, accurate positioning and safe and reliable characteristics; Can in general electromagnetic relay, promote the use of, improve reliability of products and fail safe.
Description of drawings
Fig. 1 is an embodiment decomposition texture schematic diagram of the present utility model.
Fig. 2 is the perspective view after base and the yoke assembling.
Fig. 3 looks the sectional structure schematic diagram for the master of Fig. 2.
Fig. 4 is the perspective view of base.
Among the figure: 1 is armature, and 2 are extension spring, and 3 is the film pad, and 4 is movable contact spring, 5 is support, and 6 is rivet, and 7 is yoke, and 8 is bobbin, 9 is iron core, and 10 is short-circuited conducting sleeve, and 11 is shell, and 12 is static contact, 13 is fixed contact, and 14 is moving contact, and 15 is base, and 16 is screw, 17 is inserted sheet, and 18 is lead, and 19 is coil, 20 is insulating tape, and 21 is first boss, and 22 is second boss.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 4, this electromagnetic relay comprises the housing unit that base 15 and shell 11 are assembled, offer 3-4 inserted sheet holddown groove on the base 15, the inserted sheet holddown groove is provided with inserted sheet 17 and static contact 12 assemblies, and the inserted sheet 17 on the base 15 is connected with lead 18, is electrically connected with external power source.These static contact 12 assemblies are the static contact 12 that has fixed contact 13, and the bottom of shell 11 offers the groove position, and the projection on itself and the base 15 connects and fixes mutually.
Be provided with electromagnetic assembly in the housing unit, electromagnetic assembly is assembled by coil block, yoke 7 and iron core, one end of yoke 7 is provided with armature 1 and movable contact spring assembly, the movable contact spring assembly comprises movable contact spring 4 and the film pad 3 that is arranged on the support 5, and film pad 3 passes through rivet 6 mutual riveted and fixed with support 5.Coil block is arranged between armature 1 and the film pad 3, and this coil block comprises bobbin 8 and the fixing coil 19 of solderless wrapped connection with it, and the wall of coil 19 is provided with insulating tape 20.Iron core passes bobbin 8, and with bobbin 8 mutual sockets.Be connected with extension spring 2 between movable contact spring assembly and the armature 1, the position of movable contact spring 4 corresponding fixed contacts 13 is provided with moving contact 14, is provided with short-circuited conducting sleeve 10 between moving contact 14 and the bobbin 8.One end of moving contact 14 passes movable contact spring 4, cooperatively interacts fixing with short-circuited conducting sleeve 10.The other end of moving contact 14 and fixed contact 13 adhesives are fixed or are separated from each other.Drive the motion of movable contact spring assembly by armature 1, with realize that normally-closed contact disconnects and/the normally opened contact closure.
The position of base 15 corresponding electromagnetic assemblies is provided with the partition wall assembly, and the partition wall assembly comprises first boss 21 and second boss 22.First boss 21, second boss 22 are L-shaped, and itself and base 15 are seen Fig. 4 for by the integrated through injection molding moulding.First boss 21 and second boss 22 are for being symmetrical arranged, be provided with distance between first boss 21 and second boss 22, formation one can be held the fitting recess of yoke 7, and the other end of yoke 7 is sheathed on the fitting recess, and be mutually permanently connected by screw 16 with base 15, see Fig. 2-Fig. 3.The partition wall assembly can play buffer action to yoke 7, the height of first boss 21 and second boss 22 is thickness 2-5 a times of yoke 7, its purpose is: the yoke 7 and the distance of 19 liang of inputs of coil are increased, thereby increase the ability of creepage distance and isolation electric arc, the outage arc of avoiding electromagnetic relay when test or long-term work, to produce, coil 19 and yoke 7 direct bridge joints are caused short circuit or blast and wait other potential safety hazard, can play anti-short circuit and explosion prevention function electromagnetic relay.Simultaneously its have simple in structure, highly versatile, accurate positioning and safe and reliable characteristics can be promoted the use of in general electromagnetic relay, improve reliability of products and fail safe.
Claims (8)
1. electromagnetic relay, comprise the housing unit that base (15) and shell (11) are assembled, be provided with electromagnetic assembly in the housing unit, electromagnetic assembly comprises coil block, yoke (7) and (9) unshakable in one's determination, it is characterized in that the position of the corresponding electromagnetic assembly of described base is provided with the partition wall assembly.
2. electromagnetic relay according to claim 1 is characterized in that described partition wall assembly comprises first boss (21) and second boss (22), and first boss, second boss are L-shaped, and itself and base (15) are for being wholely set.
3. electromagnetic relay according to claim 2 is characterized in that being provided with distance between described first boss (21) and second boss (22), forms one and can hold the fitting recess of yoke (7); One end of yoke is sheathed on the fitting recess, and is mutually permanently connected with base (15).
4. according to claim 2 or 3 described electromagnetic relays, the height that it is characterized in that described first boss (21) and second boss (22) is thickness 2-5 a times of yoke (7); First boss and second boss are for being symmetrical arranged.
5. electromagnetic relay according to claim 4, the other end that it is characterized in that described yoke (7) is provided with armature (1) and movable contact spring assembly, the movable contact spring assembly comprises movable contact spring (4) and the film pad (3) that is arranged on the support (5), the mutual riveted and fixed of film pad and support; Be connected with extension spring (2) between movable contact spring assembly and the armature.
6. electromagnetic relay according to claim 5, it is characterized in that described coil block is arranged between armature (1) and the film pad (3), this coil block comprises bobbin (8) and the fixing coil (19) of solderless wrapped connection with it, and the wall of coil is provided with insulating tape (20); Unshakable in one's determination (9) pass bobbin, and with the mutual socket of bobbin.
7. electromagnetic relay according to claim 6 is characterized in that offering more than one inserted sheet holddown groove on the described base (15), and the inserted sheet holddown groove is provided with inserted sheet (17) and static contact assembly; This static contact assembly comprises the static contact (12) that has fixed contact (13), the position of the corresponding fixed contact of movable contact spring (4) is provided with moving contact (14), be provided with short-circuited conducting sleeve (10) between moving contact and the bobbin, an end of moving contact passes movable contact spring, cooperatively interacts fixing with short-circuited conducting sleeve.The other end of moving contact and fixed contact adhesive are fixed or are separated from each other.
8. electromagnetic relay according to claim 7 is characterized in that the bottom of described shell (11) offers the groove position, and the projection on itself and the base (15) connects and fixes mutually or is fastened; Inserted sheet on the base (17) is connected with lead (18), is electrically connected with external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201345913U CN202034307U (en) | 2011-04-29 | 2011-04-29 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201345913U CN202034307U (en) | 2011-04-29 | 2011-04-29 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034307U true CN202034307U (en) | 2011-11-09 |
Family
ID=44896596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201345913U Expired - Fee Related CN202034307U (en) | 2011-04-29 | 2011-04-29 | Electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034307U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610443A (en) * | 2012-03-28 | 2012-07-25 | 湖北天运汽车电器系统有限公司 | Relay of automobile |
| CN103500687A (en) * | 2013-09-06 | 2014-01-08 | 安徽华昌电子科技有限公司 | Positioning device on relay |
-
2011
- 2011-04-29 CN CN2011201345913U patent/CN202034307U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610443A (en) * | 2012-03-28 | 2012-07-25 | 湖北天运汽车电器系统有限公司 | Relay of automobile |
| CN102610443B (en) * | 2012-03-28 | 2014-12-10 | 湖北天运汽车电器系统有限公司 | Relay of automobile |
| CN103500687A (en) * | 2013-09-06 | 2014-01-08 | 安徽华昌电子科技有限公司 | Positioning device on relay |
| CN103500687B (en) * | 2013-09-06 | 2016-04-13 | 安徽华昌电子科技有限公司 | Positioner on a kind of relay |
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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 |
Granted publication date: 20111109 Termination date: 20170429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |