CN203561142U - Mechanical-temperature-control type refrigerator - Google Patents
Mechanical-temperature-control type refrigerator Download PDFInfo
- Publication number
- CN203561142U CN203561142U CN201320725067.2U CN201320725067U CN203561142U CN 203561142 U CN203561142 U CN 203561142U CN 201320725067 U CN201320725067 U CN 201320725067U CN 203561142 U CN203561142 U CN 203561142U
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- temperature
- fan
- refrigerating chamber
- control formula
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- 238000006243 chemical reaction Methods 0.000 claims description 22
- 238000001816 cooling Methods 0.000 abstract description 14
- 238000005057 refrigeration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a mechanical-temperature-control type refrigerator which comprises a refrigerating chamber, a compressor and a temperature controller. The mechanical-temperature-control type refrigerator further comprises a direct-current fan and a voltage converting circuit used for converting the alternating current into the direct current, the voltage converting circuit is connected with the compressor in parallel, and the output end of the voltage converting circuit is connected with the direct-current fan. According to the mechanical-temperature-control type refrigerator, the problem that a refrigerating fan of a mechanical-temperature-control type refrigerator can not be directly controlled is solved, the control cost is low, the refrigerating chamber is evenly refrigerated, and the cooling speed can be greatly quickened.
Description
Technical field
The utility model relates to a kind of refrigerator, and particularly a kind of refrigerating chamber arranges the mechanical temperature-control formula refrigerator of DC fan, belongs to refrigerator manufacturing technology field.
Background technology
Conventionally mechanical temperature-control formula refrigerator volume is below 250L; its volume of refrigerating chamber is generally less than 130L, and refrigerating chamber refrigeration just can meet cooling velocity requirement by evaporimeter cold air Natural Circulation, if mechanical temperature-control formula refrigerator volume surpasses 250L; volume of refrigerating chamber is 180L nearly, even larger.
For the larger mechanical temperature-control formula refrigerator of refrigerating chamber capacity, the load that is applied to refrigerating chamber is more, and flow of cold air is slower, if now refrigerating chamber just freezes by the cold air Natural Circulation of evaporimeter, its cooling velocity is difficult to reach requirement, lowers the temperature poor, and also uneven in temperature even.This can have influence on the freshness of food, and increase power consumption, at present, for the mechanical temperature-control formula refrigerator of this large-volume refrigerating chamber, some meetings add at refrigerating chamber the effect that an air cleaning storehouse reaches food fresh keeping, but can not improve the cooling velocity of refrigerating chamber.
Solving the poor problem of large volume refrigerating chamber cooling is to increase by a fan at cold compartment of refrigerator, accelerates the circulation of evaporimeter cold air, improves the cooling velocity of refrigerating chamber.Fan is divided into ac fan and DC fan, and the shortcoming of ac fan is that power consumption is large, noise is large, and power consumption is little, noise is low for DC fan.
Because household electrical appliances are more and more higher to requirement energy-conservation, noise aspect at present, the advantage of the odds ratio ac fan of DC fan is large, therefore the effect that mechanical temperature-control formula cold compartment of refrigerator fan is DC fan is the most desirable, except meeting the requirement of refrigerating chamber cooling velocity, can also meet energy consumption of refrigerator requirement.
Mechanical temperature-control formula refrigerator is generally freezer compartment structure under refrigerating chamber, temperature controller, door switch and illuminating lamp etc. are generally positioned at refrigerating chamber, as shown in Figure 1, traditional mechanical temperature-control formula refrigerator control mode, mainly by the temperature of mechanical temperature controller 2 monitoring refrigerating chambers, control the start-stop of compressor 6, temperature controller 2 is connected with power supply 7, door switch 3 and illuminating lamp 4 are in parallel with power supply 7, temperature-compensation circuit 13 is to guarantee that refrigerator is in the situation that environment temperature is lower, compressor 6 also can be worked, but traditional mechanical temperature-control formula refrigerator cannot directly be controlled direct current refrigerating chamber fan.
Utility model content
The utility model main purpose is to address the above problem and is not enough, and a kind of mechanical temperature-control formula refrigerator is provided, and has solved mechanical temperature-control formula refrigerator and cannot directly control the problem that refrigerates fan, controls cost low, and refrigerating chamber is caught a cold evenly, and can significantly improve cooling velocity.
For achieving the above object, the technical solution of the utility model is:
A kind of mechanical temperature-control formula refrigerator, comprise refrigerating chamber, compressor and temperature controller, also comprise DC fan and for alternating current being converted to galvanic voltage conversion circuit, described voltage conversion circuit and described compressor parallel, DC fan described in the output termination of described voltage conversion circuit.
Further, described voltage conversion circuit comprises ac power input end, transformer, rectification circuit, the DC voltage output end connecting successively.
Further, also comprise temperature-compensation circuit, the input of temperature-compensation circuit is connected with described temperature controller, and output is connected with the input of described voltage conversion circuit and compressor.
Further, described DC fan is arranged on the top of refrigerating chamber.
Further, described DC fan is obliquely installed.
Further, the top of described DC fan tilts to the direction of duct outlet.
Further, at the top of described refrigerating chamber, fixedly mount an installing component, described DC fan is fixedly mounted on described installing component, offers air inlet and the air outlet being communicated with described refrigerating chamber in the bottom of described installing component.
Further, described installing component is mounting box, is provided with a dismountable removable cover in the bottom of described mounting box.
Further, described temperature controller is fixedly mounted on described installing component.
Further, the illuminating lamp of refrigerating chamber is arranged on the top of described refrigerating chamber.
Content to sum up, a kind of mechanical temperature-control formula refrigerator described in the utility model, refrigeration fan is DC fan, DC fan is connected with compressor parallel, work asynchronously with compressor, solve mechanical temperature-control formula refrigerator and cannot directly control refrigerating chamber fan problem, reduced refrigerating chamber fan control cost, solved the refrigerating chamber existing in large volumetric machine Temperature Control Type refrigerator catch a cold inequality and the problem such as cooling velocity is slow simultaneously.
The working method of this kind of DC fan is without increasing extra DC fan control circuit, such as MCU microprocessor, temperature sensing circuit, compressor operating testing circuit etc., greatly reduce controlling cost of DC fan, can realize mechanical temperature-control formula refrigerator and use DC fan function simultaneously, made up large volumetric machine temperature control refrigerator refrigeration cooling slow, the deficiency that cooling velocity is poor.
Accompanying drawing explanation
Fig. 1 is prior art refrigerator control principle drawing;
Fig. 2 is the utility model refrigerator control principle drawing;
Fig. 3 is the schematic diagram of the utility model voltage conversion circuit;
Fig. 4 is the utility model DC fan installation site schematic diagram;
Fig. 5 is the utility model DC fan mounting box structural representation.
As shown in Figures 1 to 5, refrigerating chamber 1, temperature controller 2, door switch 3, illuminating lamp 4, DC fan 5, compressor 6, power supply 7, voltage conversion circuit 8, ac power input end 9, transformer 10, rectification circuit 11, DC voltage output end 12, temperature-compensation circuit 13, air outlet 14, air inlet 15, mounting box 16, removable cover 17.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
As shown in Figures 2 to 5, a kind of mechanical temperature-control formula refrigerator, refrigerator generally comprises refrigerating chamber 1 and refrigerating chamber (not shown), and refrigerating chamber 1 is arranged on the top of refrigerator mostly, and refrigerating chamber is arranged on the bottom of refrigerator.In refrigerating chamber 1, be provided with temperature controller 2, door switch 3, illuminating lamp 4, DC fan 5, in refrigerator, be also provided with compressor 6 and power supply 7, DC fan 5 is for giving refrigerating chamber 1 air-supply, accelerate the air circulation in refrigerating chamber 1, temperature controller 2, for monitoring the temperature of refrigerating chamber 1, is controlled the start-stop of compressor 6.
As shown in Figure 2, in this refrigerator, also comprise voltage conversion circuit 8, voltage conversion circuit 8, for alternating current 220V being converted to direct current+12V voltage, provides the operating voltage of DC fan 5, voltage conversion circuit 8 is in parallel with compressor 6, the output termination DC fan 5 of voltage conversion circuit 8.
In refrigerator, also comprise temperature-compensation circuit 13, the input of temperature-compensation circuit 13 is connected with temperature controller 2, output is connected with the input of compressor 6 with voltage conversion circuit 8, temperature-compensation circuit 13 is to guarantee that refrigerator is in the situation that environment temperature is lower, compressor 6 also can be worked, temperature-compensation circuit 13 is prior aries, is not described in detail here.(explaining: refrigerator not necessarily needs this temperature-compensation circuit)
As shown in Figure 3, voltage conversion circuit 8 comprises 12 4 parts of ac power input end 9, transformer 10, rectification circuit 11, DC voltage output end that connect successively.The direct voltage output of 220V alternating current convert to+12V after transformer 10, rectification circuit 11.
Voltage conversion circuit 8 is connected in parallel with compressor 6, it works asynchronously with compressor 6, it is the start-stop that temperature controller 2 is controlled compressor 1 and voltage conversion circuit 8 simultaneously, when refrigerator needs refrigeration compressor 6 work, voltage conversion circuit 8 powers on simultaneously, and DC fan 5 operations, when compressor 6 is not worked, voltage conversion circuit 8 power supplys disconnect, and DC fan 5 quits work.The advantage of the working method of this kind of DC fan 5 is without increasing extra DC fan control circuit, such as MCU microprocessor, temperature sensing circuit, compressor operating testing circuit etc., greatly reduce controlling cost of DC fan, can realize mechanical temperature-control formula refrigerator and use DC fan function simultaneously, made up large volumetric machine temperature control refrigerator refrigeration cooling slow, the deficiency that cooling velocity is poor.
As shown in Figure 4, wind blows out from the air outlet 14 in the air channel of the back upper place of refrigerating chamber 1, back at refrigerating chamber 1 blows from top to bottom, by with evaporimeter heat exchange after cold air take the inside of refrigerating chamber 1 to, from the air inlet 15 in the air channel in refrigerating chamber 1 the place ahead, send from lower to upper the hot-air of food in refrigerating chamber 1 back to DC fan 5 again, form circulation, accelerate the cooling velocity of refrigerating chamber 1.
For the ease of wind circulation, DC fan 5 preferred angled are arranged on the top of refrigerating chamber 1.Because refrigerating chamber 1 is the container of a cuboid, DC fan 5 is arranged to the top of refrigerating chamber 1, cold wind can down blow at rear from the top of refrigerating chamber 1, utilize the gap of leaving between multilayer glass shelf in refrigerating chamber 1 and refrigerating chamber inner bag, in the more uniform wind circulation of the interior formation of refrigerating chamber 1, make the temperature in refrigerating chamber 1 more even.
As shown in Figure 5, at the top of refrigerating chamber 1, fixedly mount an installing component, in order to facilitate integral installation, installing component preferably adopts mounting box 16 structures, mounting box 16 integral body are fixed on the wall of inner container at refrigerating chamber 1 top, DC fan 5 is fixedly mounted in mounting box 16, temperature controller 2 is also fixedly mounted in mounting box 16, the air inlet 15 in air channel and air outlet 14 are all opened on the diapire of mounting box 16, air inlet 15 and air outlet 14 are communicated with air channel with refrigerating chamber 1, in the bottom of mounting box 16, be provided with a removable cover 17, be convenient to regular maintenance and maintenance.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not depart from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a mechanical temperature-control formula refrigerator, comprise refrigerating chamber, compressor and temperature controller, it is characterized in that: also comprise DC fan and for alternating current being converted to galvanic voltage conversion circuit, described voltage conversion circuit and described compressor parallel, DC fan described in the output termination of described voltage conversion circuit.
2. mechanical temperature-control formula refrigerator according to claim 1, is characterized in that: described voltage conversion circuit comprises ac power input end, transformer, rectification circuit, the DC voltage output end connecting successively.
3. mechanical temperature-control formula refrigerator according to claim 1, is characterized in that: also comprise temperature-compensation circuit, the input of temperature-compensation circuit is connected with described temperature controller, and output is connected with the input of described voltage conversion circuit and compressor.
4. according to the mechanical temperature-control formula refrigerator described in claims 1 to 3 any one, it is characterized in that: described DC fan is arranged on the top of described refrigerating chamber.
5. mechanical temperature-control formula refrigerator according to claim 4, is characterized in that: described DC fan is obliquely installed.
6. mechanical temperature-control formula refrigerator according to claim 5, is characterized in that: the top of described DC fan tilts to the air outlet direction in air channel.
7. mechanical temperature-control formula refrigerator according to claim 4, it is characterized in that: at the top of described refrigerating chamber, fixedly mount an installing component, described DC fan is fixedly mounted on described installing component, offers air inlet and the air outlet being communicated with described refrigerating chamber in the bottom of described installing component.
8. mechanical temperature-control formula refrigerator according to claim 7, is characterized in that: described installing component is mounting box, is provided with a dismountable removable cover in the bottom of described mounting box.
9. mechanical temperature-control formula refrigerator according to claim 7, is characterized in that: described temperature controller is fixedly mounted on described installing component.
10. mechanical temperature-control formula refrigerator according to claim 5, is characterized in that: the illuminating lamp in described refrigerating chamber is arranged on the top of described refrigerating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725067.2U CN203561142U (en) | 2013-11-15 | 2013-11-15 | Mechanical-temperature-control type refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725067.2U CN203561142U (en) | 2013-11-15 | 2013-11-15 | Mechanical-temperature-control type refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561142U true CN203561142U (en) | 2014-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320725067.2U Expired - Lifetime CN203561142U (en) | 2013-11-15 | 2013-11-15 | Mechanical-temperature-control type refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203561142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508933A (en) * | 2018-04-23 | 2018-09-07 | 澳柯玛股份有限公司 | A kind of mechanical temperature control circuit and vertical refrigerator, showcase |
| CN109631488A (en) * | 2019-01-17 | 2019-04-16 | 苏州咖博士咖啡系统科技有限公司 | A kind of refrigerator structure of accurate mechanical temp controlled |
-
2013
- 2013-11-15 CN CN201320725067.2U patent/CN203561142U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508933A (en) * | 2018-04-23 | 2018-09-07 | 澳柯玛股份有限公司 | A kind of mechanical temperature control circuit and vertical refrigerator, showcase |
| CN108508933B (en) * | 2018-04-23 | 2024-06-04 | 澳柯玛股份有限公司 | Mechanical temperature control circuit and vertical refrigerator and showcase |
| CN109631488A (en) * | 2019-01-17 | 2019-04-16 | 苏州咖博士咖啡系统科技有限公司 | A kind of refrigerator structure of accurate mechanical temp controlled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
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| CX01 | Expiry of patent term |