CN2282269Y - Fixed temperature reset R type pressure type temperature controller - Google Patents
Fixed temperature reset R type pressure type temperature controller Download PDFInfo
- Publication number
- CN2282269Y CN2282269Y CN 97201928 CN97201928U CN2282269Y CN 2282269 Y CN2282269 Y CN 2282269Y CN 97201928 CN97201928 CN 97201928 CN 97201928 U CN97201928 U CN 97201928U CN 2282269 Y CN2282269 Y CN 2282269Y
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- temperature
- type
- temperature controller
- pressure type
- reset
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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 - Lifetime
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Control Of Temperature (AREA)
Abstract
The utility model relates to a WD series fixed temperature reset R type pressure type temperature controller, which still has favorable operating performance when the WD series fixed temperature reset R type pressure type temperature controller is suitable for lower environmental temperature. A heating body is arranged between an internal switch box and a corrugated pipe of the fixed temperature reset type pressure type temperature controller of archetypal Japanese aigret palace WD series; two pins of the fixed temperature reset R type pressure type temperature controller are connected in parallel to C and L terminals. When the temperature controller is fixed with temperature and is defrosted, a resistor starts to be electrified and heats the corrugated pipe; thus, the temperature of the corrugated pipe is ensured to be higher than the operating temperature of a temperature sensitive part, which satisfies the necessary conditions of the normal work of a saturated steam pressure type temperature controller. The utility model has the advantages of compact structure, convenient operation and good safety, and does not change the external dimension of the archetypal temperature controller.
Description
The utility model relates to temperature automatic control technology field, particularly a kind of aigret palace type WD series electric temperature regulator R type compression-type temperature controller that still keeps good performance than low ambient temperature that is suitable for.
At present, be used for the aigret palace type WD series electric temperature regulator type compression-type temperature controller that refrigerator, refrigerator are used as temperature control and automatic defrosting, when ambient temperature lower, when example is-1～8 ℃, be loaded on the bellows in the thermostat housing, its temperature also has been reduced to lower temperature.When compressor cooling reached the control temperature, the switch between switch enclosure C, the L terminal disconnected, and compressor quits work, and refrigerator enters the automatic defrosting state.Owing to be contained in the effect of the defrosting heater on the evaporator, evaporator temperature is risen, the temperature that is installed in the temperature-sensitive portion on the evaporator also rises with fast speeds, and the bellows part is further from defrosting heater, temperature rises slower.At this moment, the temperature that the ripple tube portion will occur is lower than the temperature of temperature-sensitive portion, thereby the temperature that can not satisfy saturated vapour pressure formula thermostat bellows part must be higher than the requirement of the temperature of temperature-sensitive portion, thereby.Cause thermostat not start shooting by former turn-on temperature, thermostat is with regard to temperature action out of hand.
The purpose of this utility model is to provide a kind of electric temperature regulator R type compression-type temperature controller, and it can guarantee that the temperature of bellows part is higher than the temperature of temperature-sensitive portion all the time.
The purpose of this utility model is achieved by the following technical solution: a kind of electric temperature regulator R type compression-type temperature controller, the controlling organization, switch enclosure, bellows and the temperature-sensitive portion that comprise aigret palace type WD series electric temperature regulator compression-type temperature controller, at the cavity of aigret palace type WD series electric temperature regulator type compression-type temperature controller inside between switch enclosure and bellows the heater that the heating bellows is used is housed, two pins of this heater are connected on respectively on the C, L terminal of switch enclosure.Described heater is covered by the dividing plate with the heat conduction mouth, and this heat conduction is tight-lipped by bellows.Described heater can adopt resistor, also can adopt PCT semiconductor heat generating member.
Advantage of the present utility model is:
(1) the heating bellows partly the heater of usefulness be contained in the Saginomiya type WD series compression-type temperature controller housing in the cavity between switch enclosure and bellows, the structure and the external form that do not need to change former thermostat, thereby, compact conformation, easy to use.
(2) the close bellows of the heater of heating usefulness, thereby heats is remarkable, power consumption is seldom.
(3) fail safe is good, and security performance meets the household electrical appliance safety standard of control automatically fully.
Fig. 1 is the utility model structural representation.
Fig. 2 is the dividing plate of expression band heat conduction mouth and the structural relation front view of quilt cover resistor.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is expression the utility model electrical relation schematic diagram.
By following embodiment the utility model is further elaborated.
Referring to Fig. 1-shown in Figure 4, the product type of present embodiment and name are called WDF25J-102-132R type WD series electric temperature regulator R type compression-type temperature controller, and it is to improve to form on the architecture basics of existing Saginomiya type WD series electric temperature regulator compression-type temperature controller.And this improvement is not done any change basically to the structure and the overall dimensions of prototype thermostat.Aigret palace type WD series electric temperature regulator type compression-type temperature controller is made up of temperature control device, switch enclosure, bellows, temperature-sensitive portion, present embodiment is at the cavity of type WD series electric temperature regulator type compression-type temperature controller housing 1 inside in aigret palace between switch enclosure 2 and bellows 7 heater to be housed, the heater of present embodiment is selected resistor 6 for use, its parameter is 100K Ω, 1W.Two pins of resistor 6 are connected on the C terminal 3 and L terminal 4 of switch enclosure 2.Dividing plate 5 on original switch enclosure adds heat conduction mouth 9 near bellows one side, and in the present embodiment, resistor 6 just is loaded in the heat conduction mouth 9, to obtain significant heats.
When temperature is higher in the refrigerator, the C terminal 3 of switch enclosure 2, the switch connection between the L terminal 4, compressor 10 work begin refrigeration.At this moment, resistor 6 is by the short circuit of the switch of on institute, and the resistor 6 of heating usefulness is inoperative.When refrigerator temperature drops to the temperature of control, switch between C terminal 3, the L terminal 4 disconnects, supply voltage is added to resistor 6 two ends by compressor 10 windings, resistor 6 begins heating, makes the temperature rising near its bellows part, thereby, the temperature that has satisfied saturated vapour pressure formula thermostat bellows part must be higher than the temperature requirement of temperature-sensitive portion, guaranteed WD series electric temperature regulator type compression-type temperature controller under lower ambient temperature, example is-1～8 ℃, can operate as normal.
Claims (3)
1, a kind of electric temperature regulator R type compression-type temperature controller, the controlling organization, switch enclosure, bellows and the temperature-sensitive portion that comprise WD series electric temperature regulator pressure type temperature device, it is characterized in that: at the cavity of aigret palace type WD series electric temperature regulator type compression-type temperature controller inside between switch enclosure and bellows the heater that the heating bellows is used is housed, its two pins is connected on respectively on the C, L terminal of switch enclosure.
2, electric temperature regulator R type compression-type temperature controller according to claim 1, it is characterized in that: described heater is covered by the dividing plate with the heat conduction mouth, and this heat conduction is tight-lipped by bellows.
3, electric temperature regulator R type compression-type temperature controller according to claim 1 and 2 is characterized in that: described heater is resistor or PCT semiconductor heat generating member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201928 CN2282269Y (en) | 1997-03-21 | 1997-03-21 | Fixed temperature reset R type pressure type temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97201928 CN2282269Y (en) | 1997-03-21 | 1997-03-21 | Fixed temperature reset R type pressure type temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2282269Y true CN2282269Y (en) | 1998-05-20 |
Family
ID=33923212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97201928 Expired - Lifetime CN2282269Y (en) | 1997-03-21 | 1997-03-21 | Fixed temperature reset R type pressure type temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2282269Y (en) |
-
1997
- 1997-03-21 CN CN 97201928 patent/CN2282269Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |