CN202058606U - Power push device and switch including the same - Google Patents
Power push device and switch including the same Download PDFInfo
- Publication number
- CN202058606U CN202058606U CN2010206994709U CN201020699470U CN202058606U CN 202058606 U CN202058606 U CN 202058606U CN 2010206994709 U CN2010206994709 U CN 2010206994709U CN 201020699470 U CN201020699470 U CN 201020699470U CN 202058606 U CN202058606 U CN 202058606U
- Authority
- CN
- China
- Prior art keywords
- powered device
- power
- power part
- heating element
- cavity
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/36—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation
- H01H37/44—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation with piston and cylinder
Abstract
The utility model discloses a power push device and a switch including the same. The power push device comprises a base, a heating element, an expansion medium, a sealing check ring, a sealing ring, a cavity, a power component and an electricity taking needle, is used for heating the expansion medium after electrification, using controllable power provided by the volume change produced by expansion medium phase transition to push the power component to shift controllably. After power off, the expansion medium is cooled and resorts to the state before the phase transition, making the power component restore to an initial position. According to the power push device and the switch, a controllable power is provided by the predictable phase transition of the expansion medium, thus providing controllable automatic switching-on/switching-off control for the switch and other lower voltage electric devices.
Description
Technical field
The utility model relates to the low voltage electrical equipment technical field, relates in particular to a kind of powered device and comprises the switch of this powered device.
Background technology
At present, automaticity is more and more higher, in the low voltage electrical equipment technical field, as switch, presses for the switch that can carry out the folding lock automatically; Therefore, how to provide controllable power to realize that automatically the folding lock becomes the technical problem that this area needs to be resolved hurrily.
In sum, provide be applicable to family and/or commercial, realize the controllable powered device of power and comprise that the switch of this powered device becomes the important techniques problem that this area needs to be resolved hurrily.
The utility model content
The switch that a technical problem to be solved in the utility model provides a kind of powered device and comprises this powered device provides controllable power by this powered device, so that further realize the automatic folding lock of switch.
An aspect of the present utility model provides a kind of powered device, and this powered device comprises: base, heating element, inflating medium, Sealing shield ring, sealing ring, cavity, power part and power taking pin; Wherein said cavity is used to hold an end of described base, described heating element, described inflating medium, described Sealing shield ring, described sealing ring and described power part; The described inflating medium of energising heating, the change in volume that described inflating medium phase transformation produces provides controlled power, and controlled displacement takes place in the propulsion power parts; And the power supply that disconnects described heating element, described inflating medium cooling also returns to the preceding state of phase transformation, and described power part is returned to initial position.
Among the embodiment of the powered device that the utility model provides, base adopts the sealed base of frustum shape.
Among the embodiment of the powered device that the utility model provides, heating element is the heating unit of positive temperature coefficient.
Among the embodiment of the powered device that the utility model provides, heating element can be built in the cavity, also can be coated on the outer wall of cavity, perhaps is installed on the bottom of heat-conducting base; And/or heating element can be a unitary construction, also can be the composite construction of a plurality of subassemblies.
Among the embodiment of the powered device that the utility model provides, inflating medium is paraffin or mineral wax mixture.
Among the embodiment of the powered device that the utility model provides, Sealing shield ring holds an end of power part, and with the common sealed expansion medium of an end of this power part.
Among the embodiment of the powered device that the utility model provides, the profile of cavity is selected from any one in cylindrical, prismatic, the taper type of hollow.
Among the embodiment of the powered device that the utility model provides, Sealing shield ring, sealing ring have the shape and size with the cavity coupling; And power part is to have the cylindrical rods of mating with Sealing shield ring, the middle hole of sealing ring.
Among the embodiment of the powered device that the utility model provides, the power taking pin comprises N line end and L line end, passes base respectively and is electrically connected with heating element.
Among the embodiment of the powered device that the utility model provides, the powered device also comprises: elastic film, be coated on the outside of base, cavity, power part, and elastic film provides the counter-force of recovery to make power part return to initial position.
Among the embodiment of the powered device that the utility model provides, the powered device also comprises: the counter-force spring is installed in the top of power part; And/or reset tension spring, be installed in the both sides of described power part; The counter-force spring provides the counter-force of recovery to make power part return to initial position.
Another aspect of the present utility model provides a kind of switch, and this switch comprises the powered device among aforementioned any one embodiment.
The powered device of the utility model confession and comprise the switch of this powered device, the measurable phase transformation by inflating medium can provide a controlled power, thereby provides controlled automatic folding lock control for low voltage electrical equipments such as switches.
Description of drawings
Fig. 1 illustrates the structural representation of a kind of powered device that the utility model embodiment provides, and (wherein, Fig. 1 a illustrates the overall installation diagram of these power set; Fig. 1 b illustrates the cutaway view of these power set; Fig. 1 c illustrates the exploded view of these power set);
Fig. 2 illustrates the structural representation of another embodiment of the powered device that the utility model provides, and (wherein, Fig. 2 a is the built-in powered device of single heating element; Fig. 2 b is the built-in powered devices of a plurality of heating elements; Fig. 2 c is the powered device of bottom heating external; Fig. 2 d is the powered device of sidewall heating external);
Fig. 3 illustrates the structural representation of another embodiment of the powered device that the utility model provides;
Fig. 4 illustrates the structural representation of another embodiment of the powered device that the utility model provides; (wherein, Fig. 4 a is the powered device that the top installs the counter-force spring additional; Fig. 4 b is the powered device that both sides install reset tension spring additional).
Embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model wherein is described.
Fig. 1 illustrates the structural representation of a kind of powered device that the utility model embodiment provides.Wherein, Fig. 1 a illustrates the overall installation diagram of these power set; Fig. 1 b illustrates the cutaway view of these power set; As shown in Figure 1a, this powered device is used for after energising inflating medium being heated, and the change in volume of utilizing the inflating medium phase transformation to produce provides controlled power, and controlled displacement takes place the propulsion power parts; And after outage, the inflating medium cooling also returns to the preceding state of phase transformation, and power part returns to initial position.
Specifically, Fig. 1 c illustrates the exploded view of these power set.Shown in Fig. 1 c, this powered device comprises: base 10, heating element 12, inflating medium 13, Sealing shield ring 14, sealing ring 15, cavity 16, power part 17 and power taking pin 18/19.
Wherein, it is the frustum that narrows shape gradually that base can adopt the bottom, thereby good sealed base is provided.Heating element is the heating unit of positive temperature coefficient, PTC as known to those skilled in the art.
Inflating medium can be selected paraffin for use, because paraffin is being changed into by solid in the phase transition process of liquid, volume can expand and increase 15%, will produce a powerful power, and the propulsion power parts outwards eject fast, move the rectilinear path that can calculate.In concrete the application, paraffin under vacuum state with liquid form be filled in the cavity, around the heating element (as PTC), after the PTC energising, moment can discharge a very large thermal capacity, thereby rapid thawing of the paraffin around it become liquid, and then predetermined straight-line displacement takes place in the propulsion power parts.
Need to prove: according to instruction of the present utility model, those skilled in the art can clearly know, in order to improve some characteristic of inflating medium, for example make it be applicable to broad more temperature range or applied environment, can add some impurity and carry out improvement in performance this inflating medium, be the mixture of matrix thereby form with paraffin.
Sealing shield ring holds an end of power part, and with the common sealed expansion medium of an end of this power part.For excellent sealing performance further is provided, also be provided with sealing ring on the top of described Sealing shield ring.When power part moves to the precalculated position, deenergization, PTC stop to produce heat; Because the excellent heat dispersion performance that PTC and cavity have, paraffin can very fast cooling; In view of Sealing shield ring and sealing ring are sealed into the vacuum performance that described cavity provides, in the paraffin cooling and return in former phase state (solid-state) process, power part can be sucked back gradually to initial position.
In the utility model, power part can be to have the cylindrical rods of mating with described Sealing shield ring, the middle hole of described sealing ring, as piston rod, is preferably cylindric bar.Those skilled in the art can clearly know according to instruction of the present invention, can choose the power part that matches according to the shape of the hole of reserving in the Sealing shield ring.
Cavity is used to hold an end of base, heating element, inflating medium, Sealing shield ring, sealing ring and power part, the profile of described cavity can be cylindrical, the prismatic or taper type of hollow, or is any one cavity geometry that is suitable for machining.After determining the shape and size of described cavity, Sealing shield ring and sealing ring have the shape and size with this cavity coupling.The power taking pin comprises N line end and L line end, passes base respectively and is electrically connected with heating element.In the powered device shown in Figure 1, heating element (PTC) is fixedly installed on the sealed base, and two lateral electrodes of this PTC are drawn by the power taking pin that is embedded on the base respectively.
In the preferred embodiment of the present utility model, the thick 2mm of being no more than of its maximum arm of paraffin that around PTC, is covered with; And all parts coexist and are packaged in the cavity under the vacuum environment.Before Vacuum Package, the neck inboard of cavity is packaged with the sealing ring of suitable dimension and compresses the Sealing shield ring of sealing ring, penetrates piston rod simultaneously, and the bottom side end face of piston-rod lower end face and Sealing shield ring is in same horizontal level.Cavity is made by heat conduction good metal material or alloy material, and its bottom adopts taper to revolve the riveting structure to revolve riveting and be sealed on the base.
Fig. 2 illustrates the structural representation of another embodiment of the powered device that the utility model provides; Wherein, Fig. 2 a is the built-in powered device of single heating element; Fig. 2 b is the built-in powered devices of a plurality of heating elements; Fig. 2 c is the powered device of bottom heating external; Fig. 2 d is the powered device of sidewall heating external.
As shown in Figure 2, the powered device comprises base 10, heating element 12, inflating medium 13, Sealing shield ring 14, sealing ring 15, cavity 16, power part 17 and power taking pin 18/19.Wherein, base, inflating medium, Sealing shield ring, sealing ring, cavity, power part and power taking pin can be respectively same or similar with the parts shown in Fig. 1 c.For for purpose of brevity, repeat no more here.
As shown in Figure 2, heating element as PTC, can not be a global facility that is built in the inflating medium, but the combination of two or more parts, or be the structure of external.
Specifically, in the powered device shown in Fig. 2 a, a PTC heating element is built in the cavity, and this PTC heating element is coating inflating medium (as paraffin) outward; In the powered device shown in Fig. 2 b, a plurality of heating elements 12 constitute the axially-aligned of combined heater block along cavity; According to instruction of the present utility model, those skilled in the art can clearly know: the heater block that can also constitute at the heating element of two of axially-aligned is along the axially-aligned of cavity, perhaps many groups heating element of arranged radially with obtain more efficiently, uniform heating effect more.
In the powered device shown in Fig. 2 c, heating element is distributed in the base bottom of heat-conducting type, and PTC 12 heats inflating medium by the effect of passing to of heat-conducting base.In the powered device shown in Fig. 2 d, heating element 12 is coated on the outer wall of cavity 20, and the outer wall by this thermal conductivity heats the inflating medium of inside.Heating element in these two kinds of execution modes can be a unitary construction, also can be the composite construction of a plurality of subassemblies.According to instruction of the present utility model, those skilled in the art can clearly know, with heating element be arranged at the bottom or outer wall help increasing the space that cavity holds inflating medium, thereby when the powered of identical stroke is provided, reduce the powered height of devices, conserve space.
Need illustrate, those skilled in the art can clearly know according to instruction of the present utility model: can also simultaneously heating element be set axially and in the radial direction, its various compound modes of arranging all can realize the efficient heats of inflating mediums such as paraffin.
Under the perfect condition, after the outage, the vacuum condition inflating medium of encapsulation down can impel power part to return to initial position in the process of cooling curing, but in order to ensure the effect of restoring, and further improve the efficient of recovering, also can adopt extraneous additional force to impel power part to restore.
Fig. 3 illustrates the structural representation of another embodiment of the powered device that the utility model provides.
As shown in Figure 3, the powered device comprises base 10, heating element 12, inflating medium 13, Sealing shield ring 14, sealing ring 15, cavity 16, power part 17, power taking pin 18/19 and elastic film 21.Wherein, base, heating element, inflating medium, Sealing shield ring, sealing ring, cavity, power part and power taking pin can be respectively same or similar with the parts shown in Fig. 1 c, 2a, the 2b.For for purpose of brevity, repeat no more here.
As shown in Figure 3, the powered device also comprises: elastic film, be coated on the outside of base, cavity, power part, and be used to provide the counter-force of recovery to make power part return to initial position.
Fig. 4 illustrates the structural representation of another embodiment of the powered device that the utility model provides; Wherein, Fig. 4 a is the powered device that the top installs the counter-force spring additional; Fig. 4 b is the powered device that both sides install reset tension spring additional.
As shown in Figure 4, the powered device comprises base 10, heating element 12, inflating medium 13, Sealing shield ring 14, sealing ring 15, cavity 20, power part 17, power taking pin 18/19 and counter-force spring 22.Wherein, base, heating element, inflating medium, Sealing shield ring, sealing ring, cavity, power part and power taking pin can be respectively same or similar with the parts shown in Fig. 1 c, 2a, the 2b.For for purpose of brevity, repeat no more here.
As shown in Figure 4, the powered device also comprises: spring is used to provide the counter-force of recovery to make power part return to initial position.
Specifically, shown in Fig. 4 a, the counter-force spring is installed, is used for when power part is pushed, the opposite force of compression directly is provided at the top of described powered device.
Shown in Fig. 4 b, in the both sides of described powered device reset tension spring 23 is installed respectively, thereby is provided the opposite force that sets back power part.
Another aspect of the present utility model provides a kind of switch, and this switch comprises the powered device among aforementioned any one embodiment, and the controlled power that provides by this powered device comes pull switch to carry out automatic folding lock operation.
With reference to aforementioned the utility model exemplary description, those skilled in the art can clearly know and the utlity model has following advantage:
1, the powered device that provides of the utility model and the switch that comprises this powered device, the measurable phase transformation by inflating medium can provide a controlled power, thereby provides controlled automatic folding lock control for low voltage electrical equipments such as switches.
2, the powered device that provides of the utility model and the switch that comprises this powered device are simple for structure, easy to use; And multiple variant is provided, for practical application provides multiple solution.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or with the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the utility model design is suitable for special-purpose.
Claims (12)
1. a powered device is characterized in that, described powered device comprises: base, heating element, inflating medium, Sealing shield ring, sealing ring, cavity, power part and power taking pin; Wherein said cavity is used to hold an end of described base, described heating element, described inflating medium, described Sealing shield ring, described sealing ring and described power part;
The described inflating medium of energising heating, the change in volume that described inflating medium phase transformation produces provides controlled power, and controlled displacement takes place in the propulsion power parts; And
Disconnect the power supply of described heating element, described inflating medium cooling also returns to the preceding state of phase transformation, and described power part is returned to initial position.
2. powered device according to claim 1 is characterized in that, described base adopts the sealed base of frustum shape.
3. powered device according to claim 1 is characterized in that, described heating element is the heating unit of positive temperature coefficient.
4. powered device according to claim 1 is characterized in that, described heating element can be built in the described cavity, also can be coated on the outer wall of described cavity, perhaps is installed on the bottom of heat-conducting base; And/or
Described heating element can be a unitary construction, also can be the composite construction of a plurality of subassemblies.
5. powered device according to claim 1 is characterized in that, described inflating medium is paraffin or mineral wax mixture.
6. powered device according to claim 1 is characterized in that, described Sealing shield ring holds an end of described power part, and with the described inflating medium of the common sealing of an end of this power part.
7. powered device according to claim 1 is characterized in that, the profile of described cavity is selected from any one in cylindrical, prismatic, the taper type of hollow.
8. powered device according to claim 7 is characterized in that, described Sealing shield ring, described sealing ring have the shape and size with described cavity coupling; And
Described power part is to have the cylindrical rods of mating with described Sealing shield ring, the middle hole of described sealing ring.
9. powered device according to claim 1 is characterized in that, described power taking pin comprises N line end and L line end, passes described base respectively and is electrically connected with described heating element.
10. powered device according to claim 1, it is characterized in that, described powered device also comprises: elastic film, be coated on the outside of described base, described cavity, described power part, described elastic film provides the counter-force of recovery to make described power part return to initial position.
11. powered device according to claim 1 is characterized in that, described powered device also comprises: the counter-force spring is installed in the top of described power part; And/or reset tension spring, be installed in the both sides of described power part; Described counter-force spring provides the counter-force of recovery to make described power part return to initial position.
12. a switch is characterized in that, described switch comprises any described powered device of claim as described above.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206994709U CN202058606U (en) | 2010-12-29 | 2010-12-29 | Power push device and switch including the same |
| PCT/CN2011/081995 WO2012088963A1 (en) | 2010-12-29 | 2011-11-09 | Power thrust device and mcb with device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206994709U CN202058606U (en) | 2010-12-29 | 2010-12-29 | Power push device and switch including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202058606U true CN202058606U (en) | 2011-11-30 |
Family
ID=45018572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206994709U Expired - Fee Related CN202058606U (en) | 2010-12-29 | 2010-12-29 | Power push device and switch including the same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202058606U (en) |
| WO (1) | WO2012088963A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107027A (en) * | 2011-11-09 | 2013-05-15 | 北京Abb低压电器有限公司 | Power driven device and miniature circuit breaker comprising power driven device |
| CN103151896A (en) * | 2011-12-07 | 2013-06-12 | 青岛众音科技发展有限公司 | Real-straight line motor |
| CN104078280A (en) * | 2013-03-27 | 2014-10-01 | 比亚迪股份有限公司 | Circuit protector |
| CN106704128A (en) * | 2016-11-22 | 2017-05-24 | 珠海格力电器股份有限公司 | Stretchable assembly and electric appliance comprising same |
| CN107795443A (en) * | 2017-11-20 | 2018-03-13 | 南京理工大学 | Light pushing bionic muscular motivation system and its work method |
| CN110911246A (en) * | 2019-11-29 | 2020-03-24 | 广东欧文特电气有限公司 | Remote control miniature circuit breaker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078279B (en) * | 2013-03-27 | 2016-06-22 | 比亚迪股份有限公司 | A kind of circuit brake |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3263411A (en) * | 1965-08-02 | 1966-08-02 | Honeywell Inc | Control apparatus |
| US20060244557A1 (en) * | 2005-05-02 | 2006-11-02 | Sorenson Richard W | Mountable remote actuated circuit breaker driver |
| CN101840796B (en) * | 2010-02-11 | 2012-12-19 | 冯运福 | Circuit breaker closing/opening actuating mechanism |
-
2010
- 2010-12-29 CN CN2010206994709U patent/CN202058606U/en not_active Expired - Fee Related
-
2011
- 2011-11-09 WO PCT/CN2011/081995 patent/WO2012088963A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107027A (en) * | 2011-11-09 | 2013-05-15 | 北京Abb低压电器有限公司 | Power driven device and miniature circuit breaker comprising power driven device |
| CN103107027B (en) * | 2011-11-09 | 2015-04-29 | 北京Abb低压电器有限公司 | Power driven device and miniature circuit breaker comprising power driven device |
| CN103151896A (en) * | 2011-12-07 | 2013-06-12 | 青岛众音科技发展有限公司 | Real-straight line motor |
| CN104078280A (en) * | 2013-03-27 | 2014-10-01 | 比亚迪股份有限公司 | Circuit protector |
| CN106704128A (en) * | 2016-11-22 | 2017-05-24 | 珠海格力电器股份有限公司 | Stretchable assembly and electric appliance comprising same |
| CN107795443A (en) * | 2017-11-20 | 2018-03-13 | 南京理工大学 | Light pushing bionic muscular motivation system and its work method |
| CN110911246A (en) * | 2019-11-29 | 2020-03-24 | 广东欧文特电气有限公司 | Remote control miniature circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012088963A1 (en) | 2012-07-05 |
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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: 20111130 Termination date: 20191229 |