CN204927114U - Power switch - Google Patents
Power switch Download PDFInfo
- Publication number
- CN204927114U CN204927114U CN201520504552.6U CN201520504552U CN204927114U CN 204927114 U CN204927114 U CN 204927114U CN 201520504552 U CN201520504552 U CN 201520504552U CN 204927114 U CN204927114 U CN 204927114U
- Authority
- CN
- China
- Prior art keywords
- arc
- control device
- moving contact
- power switch
- arc control
- 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 - Fee Related
Links
Abstract
The utility model discloses a power switch, including the static contact, the moving contact, the explosion chamber, steel arc extinguishing bars piece, a pedestal, a spring, be provided with the cooler bin of installing the coolant liquid on motor and the controller base, the air current mouth is installed to the explosion chamber top, motor and controller are connected to air current mouth electricity, the controller is connected with the moving contact electricity, the one's intention as revealed in what one says of blowing power downwards, steel arc extinguishing bars piece is installed at the explosion chamber lower extreme, steel arc extinguishing bars piece includes the multi -disc, arrange to the highest below the department of the space between static contact and the moving contact position, shorten in proper order right left, the submergence of explosion chamber part is in the cooler bin, the airtight design of cooler bin. The utility model discloses an electric arc is elongated simultaneously in the mouth accelerated cooling of blowing of blowing, blows in the steel sheet with electric arc, reduces the electric field strength in the electric arc, and the steel sheet is cut into a plurality of short arcs with the long arc, the extinguishing of electric arc with higher speed, and the steel sheet also has the cooling action to electric arc simultaneously, and the existence of coolant liquid is further cooled off arc extinguishing indoor temperature fast and is improved arc extinguishing efficiency, increase of service life.
Description
Technical field
The utility model relates to a kind of power switch, belongs to the switching device field on electronic equipment.
Background technology
At present, power equipment puts into production in life in a large number, and the working service of power switch is subject to extensive concern, and the overheated meeting of components and parts of high current path causes damage to switch, and waste resource affects productive life again.
Summary of the invention
For solving the problem, the utility model proposes a kind of power switch.
A kind of power switch, comprise fixed contact, moving contact, arc control device, steel arc extinguishing grid pieces, base, spring, motor and controller, described base is provided with the cooler bin being provided with cooling fluid, above described arc control device, airflow orifice is installed, described steel arc extinguishing grid pieces is arranged on arc control device lower end, described airflow orifice electrical connection motor and controller, described controller is electrically connected with moving contact, described spring fitting is on moving contact, described fixed contact is arranged on the left end of arc control device, moving contact is arranged on arc control device right-hand member, two contacts interspersed arc control device respectively, wherein fixed contact major part is in indoor.
Further, the described fixed contact end place that keeps right is designed with fixed lever.
Further, described blowing mouth wind-force is downward.
Further, described steel arc extinguishing grid pieces comprises multi-disc, and position arrangement is the highest below the gap between fixed contact and moving contact, shortens successively to from left to right.
Further, described arc control device are partially immersed in cooler bin, described cooler bin hermetic design.
The utility model compared with prior art, it has following beneficial effect: power switch of the present utility model, arc control device lower part is placed in cooling fluid, effectively accelerate indoor temperature cooling, blowing mouth blowing design further accelerating cooling again, elongating arc simultaneously, electric arc is blown into steel disc, reduce the electric field strength in electric arc, long arc is cut into some short arcs by steel arc-chute, accelerate the extinguishing of electric arc, effectively utilize electric power arc blow-out, ferromagnetic suction arc, steel disc also has cooling effect to electric arc simultaneously, the utility model contains triple cooling provision and reduces the effective blow-out of mode of electric field strength and breaking arc, extend power switch useful life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Consult a kind of power switch shown in Fig. 1, comprise fixed contact 1, moving contact 2, arc control device 3, steel arc extinguishing grid pieces 4, base 5, spring 6, motor 7 and controller 8, described base 5 is provided with the cooler bin 9 being provided with cooling fluid, above described arc control device 3, airflow orifice 10 is installed, described steel arc extinguishing grid pieces 4 is arranged on arc control device 3 lower end, described airflow orifice 10 is electrically connected motor 7 and controller 8, described controller 8 is electrically connected with moving contact 2, described spring 6 is arranged on moving contact 2, described fixed contact 1 is arranged on the left end of arc control device 3, moving contact 2 is arranged on arc control device 3 right-hand member, two contacts interspersed arc control device 3 respectively, wherein fixed contact 1 major part is in indoor.
The described fixed contact 1 end place that keeps right is designed with fixed lever 11.
Described airflow orifice 10 wind-force is downward.
Described steel arc extinguishing grid pieces 4 comprises multi-disc, and position arrangement is the highest below the gap between fixed contact 1 and moving contact 2, shortens successively to from left to right.
Described arc control device 3 are partially immersed in cooler bin 9, described cooler bin 9 hermetic design.
The utility model compared with prior art, it has following beneficial effect: power switch of the present utility model, arc control device lower part is placed in cooling fluid, effectively accelerate indoor temperature cooling, blowing mouth blowing design further accelerating cooling again, elongating arc simultaneously, electric arc is blown into steel disc, reduce the electric field strength in electric arc, long arc is cut into some short arcs by steel arc-chute, accelerate the extinguishing of electric arc, effectively utilize electric power arc blow-out, ferromagnetic suction arc, steel disc also has cooling effect to electric arc simultaneously, the utility model contains triple cooling provision and reduces the effective blow-out of mode of electric field strength and breaking arc, extend power switch useful life.
Embodiment recited above is only be described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that this area ordinary person makes the technical solution of the utility model and improvement; protection range of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (5)
1. a power switch, it is characterized in that: comprise fixed contact, moving contact, arc control device, steel arc extinguishing grid pieces, base, spring, motor and controller, described base is provided with the cooler bin being provided with cooling fluid, above described arc control device, airflow orifice is installed, described steel arc extinguishing grid pieces is arranged on arc control device lower end, described airflow orifice electrical connection motor and controller, described controller is electrically connected with moving contact, described spring fitting is on moving contact, described fixed contact is arranged on the left end of arc control device, moving contact is arranged on arc control device right-hand member, two contacts interspersed arc control device respectively, wherein fixed contact major part is in indoor.
2. power switch according to claim 1, is characterized in that: the described fixed contact end place that keeps right is designed with fixed lever.
3. power switch according to claim 1, is characterized in that: described airflow orifice wind-force is downward.
4. power switch according to claim 1, is characterized in that: described steel arc extinguishing grid pieces comprises multi-disc, and position arrangement is the highest below the gap between fixed contact and moving contact, shortens successively to from left to right.
5. power switch according to claim 1, is characterized in that: described arc control device are partially immersed in cooler bin, described cooler bin hermetic design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504552.6U CN204927114U (en) | 2015-07-14 | 2015-07-14 | Power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504552.6U CN204927114U (en) | 2015-07-14 | 2015-07-14 | Power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927114U true CN204927114U (en) | 2015-12-30 |
Family
ID=54976222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520504552.6U Expired - Fee Related CN204927114U (en) | 2015-07-14 | 2015-07-14 | Power switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204927114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172429A (en) * | 2017-12-21 | 2018-06-15 | 德力西电气有限公司 | A kind of structure of contact terminal with air-sweeping type arc extinguishing structure |
-
2015
- 2015-07-14 CN CN201520504552.6U patent/CN204927114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172429A (en) * | 2017-12-21 | 2018-06-15 | 德力西电气有限公司 | A kind of structure of contact terminal with air-sweeping type arc extinguishing structure |
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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: 20151230 Termination date: 20160714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |