CN203940112U - Electric heating constant temperature controller - Google Patents
Electric heating constant temperature controller Download PDFInfo
- Publication number
- CN203940112U CN203940112U CN201420413196.2U CN201420413196U CN203940112U CN 203940112 U CN203940112 U CN 203940112U CN 201420413196 U CN201420413196 U CN 201420413196U CN 203940112 U CN203940112 U CN 203940112U
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- CN
- China
- Prior art keywords
- sleeve
- electric heating
- constant temperature
- temperature controller
- heating constant
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- 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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Abstract
The utility model discloses a kind of electric heating constant temperature controller, aim to provide a kind of electric heating constant temperature controller that can independently dispel the heat, its technological scheme main points are a kind of electric heating constant temperature controllers, comprise housing and cap, in described housing, be provided with the driving structure for driving transmission push rod to move up and down, described driving structure comprises thermometer bulb fixed cover, and described thermometer bulb fixed cover sidewall is provided with the interior radiating structure that produces heat when electric heating constant temperature controller moves for discharging.
Description
Technical field
The utility model relates to a kind of electric heating constant temperature controller, and more particularly, it relates to a kind of electric heating constant temperature controller that can automatic heat radiation.
Background technique
Electrical actuator, is called again electric heating constant temperature controller, is a kind of device for remote control system flow, heat (cold) of novel concept, is applicable to the heating in house, market, hotel and temperature control, the measure by door of central air-conditioner.Electrical actuator is mainly used in floor heating heating system, controls closing and opening of pipeline.Specifically be applied to the electric drive part of the electrical actuator of water collecting and diversifying device branch road valve, valvelet, transient equiliblium valve.Work operation noise free, nut connection mode is simple, convenient disassembly is installed rapidly.Prior art electrical actuator does not generally possess water-proof function, in the time that air ratio is moister, or when the pipeline of floor heating and valve leak, humid air or water all can enter electrical actuator inside by the gap location of electrical actuator, directly have influence on the circuit that thermistor, terminal and lead-in wire three are linked to be, cause circuit to produce short circuit or arcing phenomenon.
At present, application number on market is that 201310024550.2 Chinese patent discloses a kind of waterproof electrical actuator, described waterproof electrical actuator, its driver part comprises the thermometer bulb fixed cover be located in handle casing, is located at temperature-sensitive bag and reset components in this thermometer bulb fixed cover; In this temperature-sensitive bag, be provided with along with temperature variation can be by the rod member that stretches out or retract in this temperature-sensitive bag, move downward so that described rod member promotes transmission push rod while stretching out, when this rod member is retracted described in reset components drive transmission push rod to reset; The sidewall of described thermometer bulb fixed cover is provided with is convenient to the through hole that lead-in wire passes, and described lead-in wire is further by through hole described in sealing gasket hermetically passing.The structural design of this waterproof electrical actuator can make final controlling element have water-proof performance, thereby can work in a humid environment for a long time, has avoided the generation of short circuit or arcing phenomenon.
This electrical actuator is because inside is provided with temperature-sensitive bag, temperature-sensitive bag is made up of paraffin, melting point of paraffin wax is lower, in the time that electrical actuator work moves, producing heat cannot get rid of, reach certain temperature value and can cause melted paraffin wax, thereby destroyed electrical actuator internal structure, have certain potential safety hazard.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of electric heating constant temperature controller that can independently dispel the heat.
For achieving the above object, the utility model provides following technological scheme: a kind of electric heating constant temperature controller, comprise housing and cap, in described housing, be provided with the driving structure for driving transmission push rod to move up and down, it is characterized in that, described driving structure comprises thermometer bulb fixed cover, and described thermometer bulb fixed cover sidewall is provided with the interior radiating structure that produces heat when electrical actuator moves for discharging.
By adopting technique scheme, the heat that electrical actuator work when operation produces can be discharged, and does not need artificial going to reduce the temperature of electrical actuator inside, has improved working efficiency, can extend electrical actuator working life simultaneously.
The utility model is further set to: described interior radiating structure comprises sleeve, pressing plate and spring, described sleeve is hollow cylinder body structure, sleeve is connected on thermometer bulb fixed cover sidewall, described sleeve communicates with thermometer bulb fixed cover inside, sleeve is between the thermometer bulb fixed cover of housing, described spring one end connects pressing plate, and the spring the other end is connected to sleeve bottom, and described pressing plate outer circumferential face conflict sleeve lining forms and is tightly connected.
By adopting technique scheme, utilize sleeve, pressing plate and spring to form radiating structure, simple in structure, technology maturation, has reached the object that produces heat while discharging electrical actuator internal operation.
The utility model is further set to: described pressing plate is cylindrical structure, and pressing plate and sleeve coaxially arrange, and described sleeve lateral wall is provided with through hole, and in the time of state of rest, through hole is between sleeve bottom and pressing plate.
By adopting technique scheme, circular pressing plate has ensured the sealing between pressing plate and sleeve, makes pressing plate can in sleeve, pass through smoothly telescopic spring, thereby discharges heat.
The utility model is further set to: described through hole is symmetrical as benchmark taking sleeve central axis line in sleeve lateral wall, and described through-hole diameter is less than thickness of compressive plate.
By adopting technique scheme, while ensureing pressing plate by lead to the hole site, pressing plate can not embed through hole.
The utility model is further set to: described housing sidewall is provided with the housing radiating structure for discharging heat, and housing radiating structure has identical structure with interior radiating structure.
By adopting technique scheme, ensure the normal use of temperature-sensitive bag, the setting of two radiating structures is to guarantee the discharge completely of heat.
Brief description of the drawings
Fig. 1 is the utility model electric heating constant temperature controller embodiment's structural representation;
Fig. 2 is radiating structure structural representation on the utility model electric heating constant temperature controller.
Reference character: 1, interior radiating structure; 11, sleeve; 12, through hole; 13, pressing plate; 14, spring; 2, housing; 3, cap; 4, temperature-sensitive bag; 41, rod member; 42, pressing plate; 43, thermistor; 44, terminal board; 45, spring; 5, insulation fixed cover; 6, spring; 7, lead-in wire; 8, return unit; 9, housing radiating structure; 10, push rod.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model specific embodiment is described further.
As shown in Figure 1 to Figure 2, in this specific embodiment, a kind of electric heating constant temperature controller, comprises housing 2 and cap 3, and housing 2 and cap 3 use are threaded, and in described housing 2, are provided with driving structure, and this driving structure drives transmission push rod 10 to move up and down, driving structure comprises the thermometer bulb fixed cover 5 of being located in housing 2, in thermometer bulb fixed cover 5, be provided with temperature-sensitive bag 4 and return unit 8, described return unit 8 is springs, in temperature-sensitive bag 4, be provided with rod member 41, rod member 41 conflict thermometer bulb fixed cover 5 roofs, temperature-sensitive bag 4 is made up of paraffin, in the time that temperature changes, the variation that temperature-sensitive bag 4 can expand with heat and contract with cold, due to rod member 41 one end conflict thermometer bulb fixed cover 5 roofs, in the time of temperature rise, paraffin in temperature-sensitive bag 4 expands, whole temperature-sensitive bag 4 moves down and promotes pressing plate 42, pressing plate 42 upper-end surfaces connect temperature-sensitive bag 4, lower end surface connects push rod 10, push rod 10 moves down, whole electrical actuator is connected on valve, thereby make valve closing, otherwise, temperature reduces, in temperature-sensitive bag 4, paraffin shrinks, valve open.
Existing electric heating constant temperature controller is by be provided with temperature-sensitive bag 4 by inside, temperature-sensitive bag 4 is made up of paraffin, melting point of paraffin wax is lower, in the time that electrical actuator work moves, producing heat cannot get rid of, reach certain temperature value and can cause melted paraffin wax, thereby destroyed electrical actuator internal structure, have certain potential safety hazard.Described thermometer bulb fixed cover 5 sidewalls are provided with the interior radiating structure 1 for discharging heat.
Described interior radiating structure 1 comprises sleeve 11, pressing plate 13 and spring 14, described sleeve 11 is hollow cylinder body structure, sleeve 11 is connected on thermometer bulb fixed cover 5 sidewalls and communicates with its inside, sleeve 11 stretches out thermometer bulb fixed cover 5, described spring 14 one end connect pressing plate 13, spring 14 the other ends are connected to sleeve 11 bottoms, spring 14 is close to sleeve 11 inwalls, described pressing plate 13 is cylindrical body and structure, pressing plate 13 coaxially arranges with sleeve 11, sleeve 11 sidewalls are provided with through hole 12, through hole 12 positions are near sleeve 11 one end, bottom, described through hole 12 is symmetrical successively on sleeve 11 sidewalls, through hole 12 diameters are less than pressing plate 13 thickness.Work as temperature rise, produce heat, thermometer bulb fixed cover 5 internal pressures increase, thus pushing pressing plate 13, and spring 14 shrinks, in the time that reaching certain contour projector, spring 14 will expose the through hole 12 on sleeve 11 sidewalls, thereby interior thermometer bulb fixed cover 5 heat is discharged, and in the time that temperature declines, thermometer bulb fixed cover 5 internal pressures reduce, spring 14 recovers deformation, and through hole 12 is closed.Housing 2 sidewalls are provided with the housing sink 9 that produces heat when electrical actuator moves for discharging, and housing sink 9 structures are identical with interior radiating structure 1 structure on thermometer bulb fixed cover 5, so that heat can better be discharged.
The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection domain of the present utility model.
Claims (5)
1. an electric heating constant temperature controller, comprise housing and cap, in described housing, be provided with the driving structure for driving transmission push rod to move up and down, it is characterized in that, described driving structure comprises thermometer bulb fixed cover, and described thermometer bulb fixed cover sidewall is provided with the interior radiating structure that produces heat when electrical actuator moves for discharging.
2. electric heating constant temperature controller according to claim 1, it is characterized in that, described interior radiating structure comprises sleeve, pressing plate and spring, described sleeve is hollow cylinder body structure, and sleeve is connected on thermometer bulb fixed cover sidewall, and described sleeve communicates with thermometer bulb fixed cover inside, sleeve is between the thermometer bulb fixed cover of housing, described spring one end connects pressing plate, and the spring the other end is connected to sleeve bottom, and described pressing plate outer circumferential face conflict sleeve lining forms and is tightly connected.
3. electric heating constant temperature controller according to claim 2, is characterized in that, described pressing plate is cylindrical structure, and pressing plate and sleeve coaxially arrange, and described sleeve lateral wall is provided with through hole, and in the time of state of rest, through hole is between sleeve bottom and pressing plate.
4. electric heating constant temperature controller according to claim 3, is characterized in that, described through hole is symmetrical as benchmark taking sleeve central axis line in sleeve lateral wall, and described through-hole diameter is less than thickness of compressive plate.
5. electric heating constant temperature controller according to claim 4, is characterized in that, described housing sidewall is provided with the housing radiating structure for discharging heat, and housing radiating structure has identical structure with interior radiating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413196.2U CN203940112U (en) | 2014-07-25 | 2014-07-25 | Electric heating constant temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413196.2U CN203940112U (en) | 2014-07-25 | 2014-07-25 | Electric heating constant temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940112U true CN203940112U (en) | 2014-11-12 |
Family
ID=51859426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420413196.2U Expired - Fee Related CN203940112U (en) | 2014-07-25 | 2014-07-25 | Electric heating constant temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940112U (en) |
-
2014
- 2014-07-25 CN CN201420413196.2U patent/CN203940112U/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: 20141112 Termination date: 20170725 |