CN1227693C - L-shaped movable spring extended sheet and rapidly connecting electromagnetic relay with static reed - Google Patents
L-shaped movable spring extended sheet and rapidly connecting electromagnetic relay with static reed Download PDFInfo
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- CN1227693C CN1227693C CN 03152741 CN03152741A CN1227693C CN 1227693 C CN1227693 C CN 1227693C CN 03152741 CN03152741 CN 03152741 CN 03152741 A CN03152741 A CN 03152741A CN 1227693 C CN1227693 C CN 1227693C
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- movable spring
- static
- leading sheet
- present
- electromagnetic relay
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Abstract
The present invention relates to a fast connecting electromagnetic relay with low height, small size and big power, which has an L-shaped movable spring leading sheet and an L-shaped static reed. The present invention comprises a magnetic circuit system, a contact system and a seat, wherein the contact system is provided with a movable reed, a movable spring leading sheet, a static reed and a static spring leading sheet; the movable spring leading sheet and the static reed both form an L shape; a clamping groove is correspondingly arranged on the seat; the movable spring leading sheet and the static reed are clamped into the clamping groove of the seat. The present invention can further reduce the height of the relay, load control current can be led out from a printed board, and the control current can be led out through an external connection QC terminal. After a QC fast connecting pin is led out from the lateral side of a casing, the whole relay adopts a horizontal type structure, and the volume dimension is small. After a one-way open groove of the seat contains a magnetic circuit part, the insulating property can be improved effectively, namely that the electrical distance, the creepage distance and the insulation penetrating distance are increased, the isolation of the input end and the output end is improved, and thereby, the purpose of improving the pressure resistance of media is achieved.
Description
(1) technical field
The present invention relates to a kind of electromagnetic relay, especially a kind of L shaped moving spring lead-out tablet of being with that is mainly the small-sized high-power of low clearance is connected electromagnetic relay soon with L shaped static contact spring piece.
(2) background technology
Electromagnetic relay extensively applies in the various electromechanical equipments as a kind of electromechanical compo.Existing conventional small-sized high-power alternating current electromagnetic relay generally comprises coil, coil exit, iron core, yoke, armature, spring, pushing block, movable contact spring, static contact spring piece, contact, base, shell.Wherein coil generally adopts the formal dress mode, iron core adopts riveting to be connected with yoke, leading foot generally adopts the PCB mode, the QC of employing connected mode is perhaps arranged, but the short transverse size of product is bigger, and the isolation between coil and contact is also lower, and dielectric withstanding voltage is not high, the high energy of the product of transfer contact type generally speaking reaches 3000Va.c., and normally opened contact type product also can only reach 4000Va.c..This just causes requiring installing space little and input, output isolation height, adopting the occasion of fast connected mode, and this series products can't satisfy instructions for use.The CN2472340Y patent disclosure a kind of small-sized high-power sensitive-type direct current electromagnetic relay of Very Low Clearance, mainly form by contact system, magnetic circuit system, base and shell.Contact system comprises static contact spring piece, U-shaped movable contact spring, and inserts in the base by the guide groove on the base, and the U-shaped press-bending position of movable contact spring is inserted the base guide groove and fixed.Magnetic circuit system is packed in the cavity on the base, locatees in the base guide groove, and some glue is fixed.
(3) summary of the invention
The object of the present invention is to provide a kind of low clearance, simple in structure, assembling, good manufacturability, the L shaped moving spring lead-out tablet of small-sized high-power band that can carry out streamline production in batches is connected electromagnetic relay soon with L shaped static contact spring piece.
It is a kind of high performance that another object of the present invention is to provide, and input, the output dielectric withstanding voltage is more than the 5000Va.c., and its P/C is than being connected electromagnetic relay soon with low clearance that performance/volume ratio all is better than existing like product.
The present invention includes magnetic circuit system, contact system and base, contact system is provided with movable contact spring, moving spring lead-out tablet, static contact spring piece and quiet spring lead-out tablet etc., and it is L shaped that said moving spring lead-out tablet and static contact spring piece are, and base is provided with corresponding card holding trough.Moving spring lead-out tablet and static contact spring piece are installed in the card holding trough of base.And on base, be provided with the insulation division board, adopt direct insertion assembling.
The fast connecting pin of QC of the present invention is drawn from the shell side, and the respective outer side edges of QC leading foot and shell, base can seal by resin glue, thereby obtains the relay of plastic packaging type.
The present invention is applicable to the electromagnetic relay of normally opened contact type and normally-closed contact type structure.
Compare with existing roughly the same functional product, structure of the present invention can reduce the height dimension of relay to greatest extent, product height in the past is generally about 30mm, and product height of the present invention is about 16mm, and it can satisfy the more and more littler development trend of machine volume.The level of product before simultaneously, load capacity of the present invention still can reach.And can draw the control load electric current from printed board, also can draw Control current by external QC terminal.
After the fast connecting pin of its QC of the present invention was drawn from the shell side, whole relay adopted horizontal type structure, and volume size is less.The unidirectional open slot of base can improve insulation property after containing the magnetic circuit part effectively, promptly increases electrical distance, creepage distance, penetrates insulation distance, improves the isolation of input, output, thereby reaches the purpose that improves dielectric withstanding voltage.
(4) description of drawings
Fig. 1 is a normally opened contact type structural representation of the present invention.
Fig. 2 is a normally-closed contact type structural representation of the present invention.
Fig. 3 is a normally-closed contact type assembly structure schematic diagram of the present invention.
Fig. 4 is a normally opened contact type assembly structure schematic diagram of the present invention.
Fig. 5 is the structural representation of normally opened contact type base of the present invention.
Fig. 6 is the structural representation of normally-closed contact type base of the present invention.
(5) embodiment
As Fig. 1, shown in 4, the present invention includes magnetic circuit system 0, contact system 1 and base 2, be provided with movable contact spring 4, moving spring lead-out tablet 3, static contact spring piece 6 and quiet spring lead-out tablet 8 etc. for the contact system of normally opened contact type structure, said moving spring lead-out tablet and static contact spring piece are L shaped.As Fig. 2, shown in 3, be provided with movable contact spring 9, moving spring lead-out tablet 10, static contact spring piece 11 and quiet spring lead-out tablet 12 etc. for the contact system of normally-closed contact type structure, said moving spring lead-out tablet and static contact spring piece are L shaped.Referring to Fig. 5, base is provided with corresponding card holding trough.Moving spring lead-out tablet and static contact spring piece are installed in the card holding trough 5.1,5.2 of base.And on base, be provided with insulation division board 5, adopt direct insertion assembling.In like manner, referring to Fig. 6, for also being provided with insulation division board 7 on the normally-closed contact type base.
The present invention is applicable to the electromagnetic relay of normally opened contact type and normally-closed contact type structure.
Claims (2)
1, L shaped moving spring lead-out tablet is connected electromagnetic relay soon with static contact spring piece, comprise magnetic circuit system, contact system and base, contact system is provided with movable contact spring, moving spring lead-out tablet, static contact spring piece and quiet spring lead-out tablet, it is characterized in that said moving spring lead-out tablet and static contact spring piece are L shaped, base is provided with corresponding card holding trough, and moving spring lead-out tablet and static contact spring piece are installed in the card holding trough of base.
2, L shaped moving spring lead-out tablet as claimed in claim 1 is connected electromagnetic relay soon with static contact spring piece, it is characterized in that being provided with on base the insulation division board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03152741 CN1227693C (en) | 2003-08-15 | 2003-08-15 | L-shaped movable spring extended sheet and rapidly connecting electromagnetic relay with static reed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03152741 CN1227693C (en) | 2003-08-15 | 2003-08-15 | L-shaped movable spring extended sheet and rapidly connecting electromagnetic relay with static reed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485872A CN1485872A (en) | 2004-03-31 |
| CN1227693C true CN1227693C (en) | 2005-11-16 |
Family
ID=34156558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03152741 Expired - Lifetime CN1227693C (en) | 2003-08-15 | 2003-08-15 | L-shaped movable spring extended sheet and rapidly connecting electromagnetic relay with static reed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1227693C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707164B (en) * | 2009-09-22 | 2012-06-27 | 厦门宏发电声股份有限公司 | Contact system of electromagnetic relay |
-
2003
- 2003-08-15 CN CN 03152741 patent/CN1227693C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1485872A (en) | 2004-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee after: Xiamen Hongfa Electroacoustic Co.,Ltd. Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee before: Xiamen Hongfa Electroacoustic Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20051116 |