CN203859016U - Heat-dissipating dual-power-supply change-over switch - Google Patents
Heat-dissipating dual-power-supply change-over switch Download PDFInfo
- Publication number
- CN203859016U CN203859016U CN201420286864.XU CN201420286864U CN203859016U CN 203859016 U CN203859016 U CN 203859016U CN 201420286864 U CN201420286864 U CN 201420286864U CN 203859016 U CN203859016 U CN 203859016U
- Authority
- CN
- China
- Prior art keywords
- housing
- protective cover
- bolt
- binding post
- power supply
- 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
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- Thermally Actuated Switches (AREA)
Abstract
The utility model discloses a heat-dissipating dual-power-supply change-over switch. The heat-dissipating dual-power-supply change-over switch comprises a housing, a circuit assembly, an operating mechanism and a wiring system. The circuit assembly is arranged in the housing. The operating mechanism is arranged outside the housing and is linked with the circuit assembly. The wiring system is arranged outside the housing and comprises a plurality of wiring terminals, wherein a magnetic core provided with a Curie point is arranged at the lower part of each wiring terminal. The housing is provided with protective covers matched with the wiring terminals. Each protective cover is provided with an opening-closing end close to the magnetic core, and the opening-closing end is provided with magnetic metal. Each protective cover is provided with a hinged end on other end opposite to the opening-closing end. The protective covers are hinged with the housing through the hinged ends. Elastic members are arranged between the protective covers and the housing. The utility model aims to provide the mechanism which is capable of automatically detecting the temperature of each wiring terminal and controlling the opening and closing state of the protective covers.
Description
Technical field
The utility model relates to a kind of mains switch, and more particularly, it relates to a kind of double power supply converting switch.
Background technology
Dual-power transfer switch refers to: a kind ofly by microprocessor, controlled, for network system net electricity and net electricity or net electricity, start with generator power supply the device switching, can make the power supply of power supply continuous source, when conventional electric catastrophic failure or power failure, by heat radiation double power supply converting switch, automatically put on stand-by power supply, (under little load, stand-by power supply also can be by generator powered,) equipment still can normally be moved, modal is in elevator, fire-fighting, monitoring.
At present, the dual-power transfer switch on market, it comprises housing, circuit unit, operating-controlling mechanism and wiring system.Although this dual-power transfer switch can complete the conversion of conventional power supply and stand-by power supply; but its pair of wire connection terminals is protection not; place that in its binding post, conducting strip and wire join is exposed is easily polluted by airborne moisture, dust institute burn in air; it may be touched by mistake and cause electric shock accidents by other people, has very large potential safety hazard.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of dual-power transfer switch that can automatically protect binding post.
For achieving the above object, the utility model provides following technical scheme: a kind of heat radiation double power supply converting switch, comprise housing, circuit unit, operating-controlling mechanism and wiring system, described circuit unit is arranged on enclosure interior, described operating-controlling mechanism is arranged on outside, described wiring system is arranged on described outside and includes several binding posts, wherein, described binding post below is provided with the magnetic core with Curie point, on described housing, be provided with the protective cover with described binding post adaptation, described protective cover is set to open and close end near magnetic core place and described keying end is provided with magnetic metal, the other end that described protective cover is relative with opening and closing end is set to hinged end, described protective cover is hinged by hinged end and housing, between described over cap and housing, be provided with elastic component.
By adopting technique scheme, described protective cover covers on described binding post, avoid dust, the pollution of moisture, corrosion, prevent conducting strip and external wire loose contact or electric shock adhesion, extend the useful life of described dual-power transfer switch, described protective cover and housing are hinged, can freely open by keying end corresponding to hinged end, close protective cover, described conducting strip below is provided with the magnetic core with Curie point, described keying end is provided with magnetic metal, under normal circumstances, magnetic core is attractive and hold magnetic metal and make protective cover in closure state to described magnetic metal, now described elastic component is in compressive state, when there is breaking current or other mid-winters in described heat radiation double power supply converting switch, described magnetic core temperature of conflicting with conducting strip also increases, when the temperature of described magnetic core surpasses its Curie point, magnetic on described magnetic core disappears, described elastic component provides restoring force that described protective cover is opened and plays thermolysis, while being reduced to the Curie point of described magnetic core at described conducting strip temperature, described magnetic core recovers its magnetic, and hold described keying end and make described protective cover again closed, make described protective cover can detect voluntarily the temperature of described binding post and can open in good time and play thermolysis, described protective cover perfect performance, function is complete.
The utility model is further set to: described binding post comprises bolt, conducting strip, and described bolt and described bolt vertical with conducting strip, lower than surface of shell, is provided with the bolt hole of construction bolt on described housing.
By adopting technique scheme, described binding post is bolted wire, and described bolt is heavy is located on housing, prevents that bolt from being broken in carrying, installation process.
The utility model is further set to: described keying end is provided with groove.
By adopting technique scheme, when the described binding post of the closed protection of described protective cover, described groove is dodged out external wire, makes the tightr of described protective cover closure.
The utility model is further set to: described over cap inside is provided with separate layer, and described separate layer is arranged between each binding post.
By adopting technique scheme; separate layer on described protective cover can be isolated described binding post; make to be independent of each other between each binding post; when contingency occurs that spark appears in certain binding post; thereby assurance spark can not be splashed on adjacent binding post and further expand danger coefficient, described heat radiation double power supply converting switch coefficient of safety is increased.
The utility model is further set to: described hinged end is arranged on bolt away from a side of conducting strip.
By adopting technique scheme, described protective cover in the described conducting strip of protection and wire, also can protect described bolt not oxidized, corrode, guarantee that described binding post is when needing repairing, described bolt can normally be worked.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment;
Reference numeral: 1. housing; 2. operating-controlling mechanism; 3. binding post; 31. bolts; 32. conducting strips; 33. magnetic cores; 4. protective cover; 41. separate layers; 42. elastic components; 43. magnetic metals; 44. grooves; 5. open and close end; 6. hinged end.
Embodiment
With reference to Fig. 1, the utility model embodiment is described further.
A kind of heat radiation double power supply converting switch, comprise housing 1, circuit unit, operating-controlling mechanism 2 and wiring system, described circuit unit is arranged in housing 1 inside and described circuit unit and is provided with tripping mechanism, described operating-controlling mechanism 2 is arranged on housing 1 outside, described operating-controlling mechanism 2 is by connecting rod and tripping mechanism UNICOM, by pulling operating-controlling mechanism 2 and by described link transmission, described tripping mechanism being opened, closed to reach the effect of minute deenergizing, described wiring system is arranged on described housing 1 outside and includes several binding posts 3, described binding post 3 comprises bolt 31, conducting strip 32, described bolt 31 and described bolt 31 vertical with conducting strip 32 is lower than housing 1 surface, on described housing 1, be provided with bolt 31 holes of construction bolt 31, described conducting strip 32 belows are provided with the magnetic core 33 with Curie point, described Curie point also claims Curie temperature or magnetic transformation point, refer to the temperature that material can change between iron 43 magnets and paramagnet, be that the electric body of iron 43 is transformed into the phase transition temperature of para-electric coupling mutually from iron 43 electricity, also can be described as the transition temperature that second-order phase transistion occurs, during lower than Curie-point temperature, this material becomes iron 43 magnets, and now the magnetic field relevant with material is difficult to change, when temperature is during higher than Curie-point temperature, this material becomes paramagnet, and the magnetic field of magnet is easy to change with the change of surrounding magnetic field, at this moment magnetosensitive sensitivity is about 10 negative 6 powers, once magnetic core 33 temperature surpass its Curie temperature, its magnetic permeability can sharply decline (according to the extensive definition of magnetic materials production producer, having started sharply to have declined before arriving defined Curie temperature).Just say that the galvanomagnetic effect of magnetic core 33 cannot play a role after arriving Curie temperature, the Curie temperature that the magnetic core 33 of unlike material bears is unfixing yet.With regard to MnZn, consider common (other material Curie temperature are higher) of Curie temperature effect, below material Curie temperature 230 degree of power class, height is led below 120 degree of class, in the present embodiment, can adopt piezoceramic material, its phase transition temperature is at 60 ~ 80 degree, the hinged position that is provided with of described housing 1, size all with the protective cover 4 of described binding post 3 adaptations, described protective cover 4 is set to open and close end 5 near magnetic core 33 places and described keying end 5 is provided with magnetic metal 43, the other end that described protective cover 4 is relative with opening and closing end 5 is set to hinged end 6, described protective cover 4 is hinged by hinged end 6 and housing, between described over cap 4 and housing 1, be provided with elastic component 42, described magnetic metal 43 can adopt iron 43, described protective cover 4 covers on described binding post 3, avoid dust, the pollution of moisture, corrosion, prevent conducting strip 32 and external wire loose contact or electric shock adhesion, extend the useful life of described dual-power transfer switch, described protective cover 4 is hinged with housing 1, can freely open by keying end 5 corresponding to hinged end 6, close protective cover 4, described conducting strip 32 belows are provided with the magnetic core 33 with Curie point, described keying end 5 is provided with magnetic metal 43, under normal circumstances, 33 pairs of described magnetic metals 43 of magnetic core are attractive and hold magnetic metal 43 and make protective cover 4 in closure state, now described elastic component 42 is in compressive state, when there is breaking current or other mid-winters in described heat radiation double power supply converting switch, described magnetic core 33 temperature of conflicting with conducting strip 32 also increase, when the temperature of described magnetic core 33 surpasses its Curie point, magnetic on described magnetic core 33 disappears, described elastic component 42 provides restoring force that described protective cover 4 is opened and plays thermolysis, while being reduced to the Curie point of described magnetic core 33 at described conducting strip 32 temperature, described magnetic core 33 recovers its magnetic, and hold described keying end 5 and make described protective cover 4 again closed, make described protective cover 4 can detect voluntarily the temperature of described binding post 3 and can open in good time and play thermolysis, described protective cover 4 perfect performances, function is complete.
Described keying end 5 is provided with groove 44, and when the described binding post 3 of described protective cover 4 closed protection, described groove 44 is dodged out external wire, makes the tightr of described protective cover 4 closures.
Described over cap inside is provided with separate layer 41; described separate layer 41 is arranged between each binding post 3; separate layer 41 on described protective cover 4 can be isolated described binding post 3; make to be independent of each other between each binding post 3; when contingency occurs that spark appears in certain binding post 3; thereby assurance spark can not be splashed on adjacent binding post 3 and further expand danger coefficient, described heat radiation double power supply converting switch coefficient of safety is increased.
Described hinged end 6 is arranged on bolt 31 relatively and the opposite side of conducting strip 32; described protective cover 4 is in the described conducting strip 32 of protection and wire; also can protect described bolt 31 not oxidized, corrosion, guarantee that described binding post 3 is when needing repairing, described bolt 31 can normally be worked.
Claims (5)
- One kind heat radiation double power supply converting switch, comprise housing, circuit unit, operating-controlling mechanism and wiring system, described circuit unit is arranged on enclosure interior, described operating-controlling mechanism is arranged on outside, described wiring system is arranged on described outside and includes several binding posts, it is characterized in that: described binding post below is provided with the magnetic core with Curie point, on described housing, be provided with the protective cover with described binding post adaptation, described protective cover is set to open and close end near magnetic core place and described keying end is provided with magnetic metal, the other end that described protective cover is relative with opening and closing end is set to hinged end, described protective cover is hinged by hinged end and housing, between described over cap and housing, be provided with elastic component.
- 2. heat radiation double power supply converting switch according to claim 1, is characterized in that: described binding post comprises bolt, conducting strip, and described bolt and described bolt vertical with conducting strip, lower than surface of shell, is provided with the bolt hole of construction bolt on described housing.
- 3. heat radiation double power supply converting switch according to claim 1 and 2, is characterized in that: described keying end is provided with groove.
- 4. heat radiation double power supply converting switch according to claim 3, is characterized in that: described over cap inside is provided with separate layer, and described separate layer is arranged between each binding post.
- 5. heat radiation double power supply converting switch according to claim 4, is characterized in that: described hinged end is arranged on bolt away from a side of conducting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286864.XU CN203859016U (en) | 2014-05-29 | 2014-05-29 | Heat-dissipating dual-power-supply change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286864.XU CN203859016U (en) | 2014-05-29 | 2014-05-29 | Heat-dissipating dual-power-supply change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859016U true CN203859016U (en) | 2014-10-01 |
Family
ID=51608858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286864.XU Expired - Fee Related CN203859016U (en) | 2014-05-29 | 2014-05-29 | Heat-dissipating dual-power-supply change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462652A (en) * | 2020-11-18 | 2021-03-09 | 新疆信息产业有限责任公司 | Power communication control system |
| CN113410693A (en) * | 2021-07-15 | 2021-09-17 | 江西航同电气科技有限公司 | Wiring terminal with heat dissipation cavity |
-
2014
- 2014-05-29 CN CN201420286864.XU patent/CN203859016U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462652A (en) * | 2020-11-18 | 2021-03-09 | 新疆信息产业有限责任公司 | Power communication control system |
| CN113410693A (en) * | 2021-07-15 | 2021-09-17 | 江西航同电气科技有限公司 | Wiring terminal with heat dissipation cavity |
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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: 20141001 Termination date: 20160529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |