CN202068278U - Circuit protection device of permanent synchronous motor - Google Patents
Circuit protection device of permanent synchronous motor Download PDFInfo
- Publication number
- CN202068278U CN202068278U CN2011201634646U CN201120163464U CN202068278U CN 202068278 U CN202068278 U CN 202068278U CN 2011201634646 U CN2011201634646 U CN 2011201634646U CN 201120163464 U CN201120163464 U CN 201120163464U CN 202068278 U CN202068278 U CN 202068278U
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- coil
- terminal
- binding post
- protection device
- circuit protection
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Abstract
The utility model relates to a circuit protection device of a permanent synchronous motor, which comprises a first coil, a second coil, a coil skeleton, a protector, and a live-wire terminal and a zero-line terminal of a power supply, wherein the first coil and the second coil are wound on the coil skeleton in a serial-connection way; the circuit protection device is characterized in that the live-line terminal is provided with a wiring terminal; the zero-line terminal is provided with a wiring terminal; the other end of the first coil is wound and welded on a pin of the protector; the other pin of the protector is wound and welded on the wiring terminal of the live-line terminal; and the other end of the second coil is wound and welded on the wiring terminal of the zero-line terminal. Instead of dip-soldering one welding point separately or tin-soldering by an electric iron, dip soldering can be carried out to the welding point at a time, so that the welding reliability can be guaranteed and the efficiency is improved.
Description
Technical field
The utility model relates to a kind of circuit protection device of permagnetic synchronous motor, particularly a kind of circuit protection device that is used for the permagnetic synchronous motor of household electrical appliance such as washing machine, dishwasher.
Background technology
The existing washing machine that is used for; the circuit protection device of the permagnetic synchronous motor on the household electrical appliance such as dishwasher; comprise two coils; coil rack; protector; fire line terminal; intermediate terminal or inserted sheet and zero terminal; the circuit protection device of this permagnetic synchronous motor is not owing to have ad hoc binding post on fire line terminal and the zero terminal; only just directly be welded on the terminal surfaces mode of the two ends of coil by spot welding or soldering; in use; because the vibration of household electrical appliance such as washing machine or dishwasher; often make the solder joint loose contact or come off; in addition; the coil other end and the difference spot welding of protector pin or soldering are on an intermediate terminal or inserted sheet; many intermediate links like this are easier to make the solder joint loose contact; come off or break; exist the structural manufacturing process complexity; the manufacturing cost height, poor safety performance, shortcoming such as efficient is low.
A kind of thermal switch protective device of solenoid is disclosed among the U.S. Pat 6326879B1; comprise one or two coil; coil rack; protector; two flat terminals and a flattened medial inserted sheet; protector inserts in the coil rack; one flat terminal and flattened medial inserted sheet squeeze two pins of protector respectively and are inserted in the coil rack groove; make flat terminal and flattened medial inserted sheet contact with two pins of protector respectively; thereby need not be welded in two pins of protector on flat terminal and the flattened medial inserted sheet; but such structure is to contact by the mutual extrusion between the contact-making surface; in use; easy oxidation of contact-making surface or loose contact; there is the structural manufacturing process complexity equally in this structure, manufacturing cost height, poor safety performance; shortcomings such as efficient is low, therefore above structure is further improved.
Summary of the invention
The purpose of this utility model aims to provide a kind of simple and reasonable, low cost of manufacture, and security performance is reliable, and the circuit protection device of efficient height, permagnetic synchronous motor easy for installation is to overcome weak point of the prior art.
Press the circuit protection device of the permagnetic synchronous motor of this purpose design; comprise first coil, second coil, coil rack, protector, power firestreak terminal and zero terminal; wherein the series connection of first coil and second coil is wrapped on the coil rack; it is characterized in that described fire line terminal is provided with binding post; zero terminal is provided with binding post; the other end of first coil twines and is welded on the pin of protector; another pin of protector twines and is welded on the binding post of fire line terminal, and the other end of second coil twines and is welded on the binding post of zero terminal.
Described first coil and second coil are wrapped in respectively and are symmetrical distribution on the coil rack, and first coil and second coil are wrapped on the coil rack by a copper enamelled wire or aluminium enamel-covered wire and form.
The binding post of described fire line terminal and the binding post of zero terminal are to be rectangular prism along one section cross section that the terminal lengthwise edge is stamped to form.
Described fire line terminal and zero terminal structure are identical, and the binding post structure of the binding post of fire line terminal and zero terminal is identical.
The binding post of described fire line terminal becomes 90 ° of angles with the surface of fire line terminal and zero terminal respectively with the binding post of zero terminal.
Immersed solder is adopted in described welding.
The utility model is owing to adopt fire line terminal to be provided with binding post; zero terminal is provided with binding post; the other end of first coil twines and is welded on the pin of protector; another pin of protector twines and is welded on the binding post of fire line terminal; the other end of second coil twines the structure on the binding post that is welded on zero terminal; above-mentioned three solder joints can disposablely be finished immersed solder; rather than separately solder joint is one by one carried out spot welding respectively or carries out soldering with electric iron; so just guarantee welding reliability, improved efficient.The utility model is owing to lacked an intermediate terminal or inserted sheet in addition; directly an end of first coil is wrapped on the pin of protector; make assembling and weld more conveniently, improved security performance simultaneously, have simple and reasonable, low cost and other advantages.
Description of drawings
Fig. 1 is an example structure schematic diagram of the present utility model.
Fig. 2 is a circuit connection diagram of the present utility model.
Fig. 3 is a terminal structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1; Fig. 2; the circuit protection device of the utility model permagnetic synchronous motor; comprise first coil 1; second coil 2; coil rack 3; protector 4; power firestreak terminal 5 and zero terminal 10; wherein first coil 1 and 2 series connection of second coil are wrapped on the coil rack 3; described fire line terminal 5 is provided with binding post 51; zero terminal 10 is provided with binding post 101; the other end of first coil 1 twines and is welded on the pin 41 of protector; another pin 42 of protector 4 twines and is welded on the binding post 51 of fire line terminal, and the other end of second coil 2 twines and is welded on the binding post 101 of zero terminal 10.Immersed solder is adopted in described welding.
In the present embodiment, the binding post 51 of described fire line terminal and the binding post 101 of zero terminal are to be rectangular prism along one section cross section that the terminal lengthwise edge is stamped to form.Described first coil 1 and second coil 2 are wrapped in respectively on the coil rack 3 and are symmetrical distribution, and first coil 1 and second coil 2 are wrapped on the coil rack 3 by a copper enamelled wire or aluminium enamel-covered wire and form.
Be convenient processing, described fire line terminal 5 and zero terminal 10 structures are identical, and binding post 101 structures of the binding post 51 of fire line terminal and zero terminal are identical.
Twine for convenient, the binding post 51 of described fire line terminal and the binding post 101 of zero terminal become 90 ° of angles with the surface of fire line terminal and zero terminal respectively.
Claims (6)
1. the circuit protection device of a permagnetic synchronous motor; comprise first coil (1); second coil (2); coil rack (3); protector (4); power firestreak terminal (5) and zero terminal (10); wherein the series connection of first coil (1) and second coil (2) is wrapped on the coil rack (3); it is characterized in that described fire line terminal (5) is provided with binding post (51); zero terminal (10) is provided with binding post (101); the other end of first coil (1) twines and is welded on the pin (41) of protector; another pin (42) of protector (4) twines and is welded on the binding post (51) of fire line terminal, and the other end of second coil (2) twines and is welded on the binding post (101) of zero terminal (10).
2. the circuit protection device of permagnetic synchronous motor according to claim 1; it is characterized in that described first coil (1) and second coil (2) are wrapped in respectively on the coil rack (3) is symmetrical distribution, and first coil (1) and second coil (2) are wrapped in coil rack (3) by a copper enamelled wire or aluminium enamel-covered wire and go up and form.
3. the circuit protection device of permagnetic synchronous motor according to claim 1, the binding post (101) that it is characterized in that the binding post (51) of described fire line terminal and zero terminal are to be rectangular prism along one section cross section that the terminal lengthwise edge is stamped to form.
4. the circuit protection device of permagnetic synchronous motor according to claim 3 is characterized in that described fire line terminal and zero terminal structure are identical, and binding post (101) structure of binding post of fire line terminal (51) and zero terminal is identical.
5. the circuit protection device of permagnetic synchronous motor according to claim 4 is characterized in that the binding post (51) of described fire line terminal and the binding post (101) of zero terminal become 90 ° of angles with the surface of fire line terminal and zero terminal respectively.
6. the circuit protection device of permagnetic synchronous motor according to claim 1 is characterized in that described welding employing immersed solder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201634646U CN202068278U (en) | 2011-05-21 | 2011-05-21 | Circuit protection device of permanent synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201634646U CN202068278U (en) | 2011-05-21 | 2011-05-21 | Circuit protection device of permanent synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068278U true CN202068278U (en) | 2011-12-07 |
Family
ID=45062131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201634646U Expired - Fee Related CN202068278U (en) | 2011-05-21 | 2011-05-21 | Circuit protection device of permanent synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202068278U (en) |
-
2011
- 2011-05-21 CN CN2011201634646U patent/CN202068278U/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: 20111207 Termination date: 20190521 |