CN204332829U - A kind of compression-type temperature controller - Google Patents
A kind of compression-type temperature controller Download PDFInfo
- Publication number
- CN204332829U CN204332829U CN201420793695.9U CN201420793695U CN204332829U CN 204332829 U CN204332829 U CN 204332829U CN 201420793695 U CN201420793695 U CN 201420793695U CN 204332829 U CN204332829 U CN 204332829U
- Authority
- CN
- China
- Prior art keywords
- plane cam
- lever
- contact
- dividing plate
- switch
- 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
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The utility model relates to a kind of compression-type temperature controller, comprise the bellows connecting temperature-sensitive capillary, the lever of the switch of energising and power-off is controlled by push rod, be connected with two springs with lever thus control to start shooting and shut down, push rod passes the round tube hole on dividing plate in the mode of dynamic cooperation, with epoxy sealing between switch enclosure and dividing plate joint portion, described two binding posts and switch enclosure joint portion epoxy sealing, and a block is set on plane cam is connected with lever, thus also can control the disconnection of sound contact, switching moments is made to disconnect the object reaching shutdown, this designs simplification, reasonable in design, improve the temperature control accuracy of thermostat and the stability of temperature characterisitic greatly, and there is explosion-proof function.
Description
Technical field
The utility model relates to mechanical temperature controller, particularly relates to a kind of compression-type temperature controller.
Background technology
At present, for the compression-type temperature controller of refrigerator refrigerator, his control principle is by capillary temperature-sensitive, utilize the saturated gas in its injection capillary temperature-sensitive chamber, produce when variations in temperature and expand or shrink, pressure following temperature in temperature-sensitive chamber is changed, the change of this pressure causes the motion of bellows, by mechanical transmission mechanism effect, energy automatic instantaneous is switched on or switched off the main contacts in thermostat, and reach the effect controlling start and shut down, but the switch contact of existing compression-type temperature controller is all communicated with outside air, electric spark can be produced in the make and break process of contact, deposit at flammable explosive gas and can set off an explosion in case, medium-sized temperature controller structure too complex does not simplify in addition, and temperature characterisitic can be caused unstable, quality problems that temperature drift is large thus affect refrigerator, the quality of refrigerator etc.
Utility model content
In order to solve the technical problem of above-mentioned existence, the utility model provides a kind of compression-type temperature controller, and concrete technical scheme is:
A kind of compression-type temperature controller, be made up of main body and sensitive switch, it is characterized in that: described main body comprises bellows, lever, sensitive switch, described bellows is placed in lower body part, downward connection capillary, capillary is built with temperature sensing material, described lever forms L shape by sheet metal pressing and bending, the base plate of L-type bottom is provided with and swells and connect bellows, the long limit of L-type is provided with the fixed part of two installation governor motions, these two governor motion fixed parts connect the first spring respectively, second spring, described sensitive switch is by switch enclosure, dividing plate, two binding posts, moving contact, fixed contact, speed reed, push rod forms, described two binding posts connection speed reed and moving contact respectively, described dividing plate top is provided with boss, and be provided with round tube hole in these boss central authorities, described push rod is cylindrical, with dynamic fit system through this round tube hole, its two ends are connected to speed reed and are connected with leverage points contact, with epoxy sealing between described switch enclosure and dividing plate joint portion, described two binding posts and switch enclosure joint portion epoxy sealing, described thermostat body is also provided with plane cam, this plane cam is arranged on body top, this plane cam wheel face is provided with a block, segment on the position of block and plane cam wheel rim in an angle, one section of lever is connected with the block on the plane cam on body, plane cam top is provided with bracket component, described bracket component is by the support with salient point, be with externally threaded lining and regulate wheel shaft composition, this support is connected with main body, wheel shaft is regulated to be fixed in lining medium pore.
Described block board thickness is 1.5-2.0mm.
The beneficial effect that the utility model is compared with prior art had is: designs simplification, reasonable in design, each component working is coordinated, the start of thermostat, shut down and controlled to become to be controlled by two springs from original spring, improve the temperature control accuracy of thermostat and the stability of temperature characterisitic greatly, in addition because push rod and dividing plate adopt cylindrical being slidably matched, therefore its fit clearance is very little, length of fit is enough large, ensure that the imflammable gas or steam of working as design defined are at switch internal explosion time, switch enclosure can not be damaged, also switch and internal explosion can not be propagated to adjacent external flammable gas or steam, coefficient of safety is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model plane cam.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings 1,2, the technical solution of the utility model is described in further detail.
Embodiment: a kind of compression-type temperature controller, be made up of main body 1 and sensitive switch, described main body 1 comprises bellows 2, lever 3, sensitive switch, lower body part put by described bellows 2, downward connection capillary 4, capillary is built with temperature sensing material, described lever 3 forms L shape by sheet metal pressing and bending, the base plate 5 of L-type bottom is provided with and swells and connect bellows 2, the long limit 6 of L-type is provided with the fixed part 7 of two installation governor motions, these two governor motion fixed parts 7 connect the first spring 8 respectively, second spring 9, described sensitive switch is by switch enclosure 10, dividing plate 11, first binding post 12, second binding post 13, moving contact 14, fixed contact 15, contact reed 16, push rod 17 forms, described block board thickness is 1.5-2.0mm, described first binding post 12 connecting terminal reed 16, second binding post 13 connects moving contact 14, described contact reed 16 is connected with moving contact 14 Negotiation speed reed, described dividing plate 11 top is provided with boss 18, and be provided with round tube hole 19 in these boss 18 central authorities, described push rod 17 is cylindrical, with dynamic fit system through this round tube hole 19, its two ends are connected to contact reed 16 and are connected with leverage points contact, with epoxy sealing between described switch enclosure 10 and dividing plate 11 joint portion, described two binding posts and switch enclosure joint portion epoxy sealing, described thermostat body is also provided with plane cam 20, this plane cam is arranged on body top, this plane cam wheel face is provided with a block 21, segment on the position of block 21 and plane cam 20 wheel rim in an angle, the upper end of lever 3 is connected with the block 21 on the plane cam 20 on body 1, plane cam 20 top is provided with bracket component 22, described bracket component is by the support 23 with salient point, be with externally threaded lining 24 and regulate wheel shaft 25 to form, this support 22 is connected with main body 1, wheel shaft 25 is regulated to be fixed in lining 24 medium pore.
Operation principle: during work, the capillary 4 being arranged on bellows 2 place collects outside variations in temperature, the meeting that bellows 3 exports increases or reduces, because be constant with the pulling force of the spring of its balance, so lever 3 will be made around fulcrum, the push rod 17 being connected to lever 3 and contact reed 16 will produce displacement, switch connection or disconnection will be made, reach the object of control circuit break-make, due to opening of thermostat, the control of shutting down changes two springs into by original spring and controls respectively, body 1 arranges a plane cam 20, plane cam 20 is arranged a block 21, segment on the position of block 21 and plane cam 20 wheel rim in an angle, one section of lever 3 is connected with the block 21 on the plane cam 20 on body 1, thus the disconnection of sound contact can be controlled instantaneously, make to shut down, improve the temperature control accuracy of thermostat and the stability of temperature characterisitic greatly, dividing plate top is provided with boss, and be provided with round tube hole in these boss central authorities, described push rod is cylindrical, because push rod and dividing plate adopt cylindrical being slidably matched, therefore its fit clearance is very little, length of fit is enough large, ensure that the imflammable gas or steam of working as design defined are at switch internal explosion time, switch enclosure can not be damaged, also switch and internal explosion can not be propagated to adjacent external flammable gas or steam, coefficient of safety is high, with epoxy sealing between described switch enclosure and dividing plate joint portion, described two binding posts and switch enclosure joint portion epoxy sealing, therefore explosion prevention function can be realized.
The above; be only this practicality preferably embodiment; but the utility model protection range is not limited thereto, is equal to according to the technical solution of the utility model and inventive concept thereof and replaces or change, all should be encompassed within protection range of the present utility model.
Claims (2)
1. a compression-type temperature controller, be made up of main body and sensitive switch, it is characterized in that: described main body comprises bellows, lever, sensitive switch, described bellows is placed in lower body part, downward connection capillary, capillary is built with temperature sensing material, described lever forms L shape by sheet metal pressing and bending, the base plate of L-type bottom is provided with and swells and connect bellows, the long limit of L-type is provided with the fixed part of two installation governor motions, these two governor motion fixed parts connect the first spring respectively, second spring, described sensitive switch is by switch enclosure, dividing plate, two binding posts, moving contact, fixed contact, contact reed, push rod forms, described two binding posts connecting terminal reed and moving contact respectively, contact reed is connected with moving contact speed reed, described dividing plate top is provided with boss, and be provided with round tube hole in these boss central authorities, described push rod is cylindrical, with dynamic fit system through this round tube hole, its two ends are connected to contact reed and are connected with leverage points contact, with epoxy sealing between described switch enclosure and dividing plate joint portion, described two binding posts and switch enclosure joint portion epoxy sealing, described thermostat body is also provided with plane cam, this plane cam is arranged on body top, this plane cam wheel face is provided with a block, segment on the position of block and plane cam wheel rim in an angle, one section of lever is connected with the block on the plane cam on body, plane cam top is provided with bracket component, described bracket component is by the support with salient point, be with externally threaded lining and regulate wheel shaft composition, this support is connected with main body, wheel shaft is regulated to be fixed in lining medium pore.
2. compression-type temperature controller according to claim 1, is characterized in that: described block board thickness is 1.5-2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793695.9U CN204332829U (en) | 2014-12-16 | 2014-12-16 | A kind of compression-type temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793695.9U CN204332829U (en) | 2014-12-16 | 2014-12-16 | A kind of compression-type temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332829U true CN204332829U (en) | 2015-05-13 |
Family
ID=53169155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420793695.9U Expired - Fee Related CN204332829U (en) | 2014-12-16 | 2014-12-16 | A kind of compression-type temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257818A (en) * | 2018-04-11 | 2018-07-06 | 佛山通宝华通控制器有限公司 | A kind of compression-type temperature controller of switch enclosure sealing |
| CN109841453A (en) * | 2019-01-08 | 2019-06-04 | 江苏汇商电器有限公司 | A kind of use in refrigerator mechanical compression temperature controller |
-
2014
- 2014-12-16 CN CN201420793695.9U patent/CN204332829U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257818A (en) * | 2018-04-11 | 2018-07-06 | 佛山通宝华通控制器有限公司 | A kind of compression-type temperature controller of switch enclosure sealing |
| CN108257818B (en) * | 2018-04-11 | 2023-09-15 | 佛山通宝华通控制器有限公司 | Pressure type temperature controller with sealed switch box |
| CN109841453A (en) * | 2019-01-08 | 2019-06-04 | 江苏汇商电器有限公司 | A kind of use in refrigerator mechanical compression temperature controller |
| CN109841453B (en) * | 2019-01-08 | 2022-08-23 | 江苏汇商电器有限公司 | Mechanical pressure temperature controller for refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204332829U (en) | A kind of compression-type temperature controller | |
| CN2849944Y (en) | Liquid expansion type temp controller | |
| CN204375648U (en) | A kind of hydraulic pressure switch | |
| CN201332057Y (en) | Vapor pressure switch | |
| CN202901484U (en) | Valve pneumatic control system | |
| CN201508805U (en) | Constant temperature reset pressure type temperature controller | |
| CN103982409A (en) | Constant-pressure variable-frequency controller for water pump | |
| CN203218177U (en) | Mechanical type temperature control device capable of controlling high temperature and used for photo-thermal furnace | |
| CN202599217U (en) | Energy-saving control device for fan motor of cooling tower | |
| CN202601515U (en) | Temperature controller | |
| CN202003908U (en) | Resettable temperature controller | |
| CN201229505Y (en) | Explosion prevention type temperature controller | |
| CN203604349U (en) | Device controlling hydraulic energy absorption through analog quantity | |
| CN202259012U (en) | Dual-insulating liquid expansion type temperature controller | |
| CN204857579U (en) | A wind pressure switch | |
| CN207663989U (en) | Temperature controller and equipment | |
| CN214405293U (en) | Pressure controller synchronous adjustment support | |
| CN202141791U (en) | Contact finger pressure testing device for high-voltage isolating switch | |
| CN202601506U (en) | Pressure controller | |
| CN202579137U (en) | Energy-saving intelligent control device for air compressor | |
| CN206516564U (en) | A kind of compression-type temperature controller forced shutdown structure | |
| CN201910368U (en) | Pressure temperature controller | |
| CN104554738A (en) | Electronic control variable-pressure gas overflow valve | |
| CN201634924U (en) | Steam-type electric iron with steam-pressure controlling switch | |
| CN103258686A (en) | Temperature protection device based on micromechanical cantilever beam structure |
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: 20150513 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |