CN1721804A - Temperature control device of refrigerator - Google Patents
Temperature control device of refrigerator Download PDFInfo
- Publication number
- CN1721804A CN1721804A CN 200410019955 CN200410019955A CN1721804A CN 1721804 A CN1721804 A CN 1721804A CN 200410019955 CN200410019955 CN 200410019955 CN 200410019955 A CN200410019955 A CN 200410019955A CN 1721804 A CN1721804 A CN 1721804A
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- switch room
- temperature
- refrigerator
- refrigerant
- refrigerating chamber
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Abstract
This invention relates to a refrigerator temperature control device, which in detail relates to tank inside temperature control device, which comprises the heater and evaporating device in the several storage chambers to form the conversion chamber with wide storage temperature range. The invention adopts adjusting cooling chamber and conversion chamber media to supply current three-way valve to control cooling media.
Description
Technical field
The invention relates to refrigerator, more particularly, is to be the adjustment in the refrigerator cabinet temperature control equipment of the refrigerator of various temperature range.
Background technology
Specify temperature transition device below according to the refrigerator of prior art.
Fig. 1 is the refrigerator according to prior art.
Prior art such as U.S. communique USP6,343,477 patent description is as follows.
As shown in Figure 1, has temperature sensor, air throttle and blowing fan etc. in casing inside.In the past, the cold air that is discharged to refrigerating chamber supplied in the cabinet in the accompanying drawing by air coolant tube.At this moment, air throttle is opened, and cold air is supplied in the cabinet rapidly, and blowing fan drives.As mentioned above, also possesses the air conditioning quantity adjusting portion (178) that has the air throttle that flows by the cool-air feed in the switch board and blowing fan to constitute.
In addition, have in refrigerating chamber inside for setting the signal input part (58a) of refrigerator operation mode and in-cabinet temperature.Therefore, when setting operation mode and in-cabinet temperature, the user must open an ability and carry out.
Aforesaid background technology (U.S. communique USP6,343,477 patents) is the general indirect type of cooling, and the temperature in the refrigerator cabinet is to be discharged to the mode of supplying with behind the refrigerating chamber by cold air in the refrigerating chamber cabinet.
In the past, because will be the cold air of the refrigerating chamber given chamber of blowing, so need possess conduit and air throttle and the blowing fan that connects refrigerating chamber and refrigerating chamber.In described formation, when cold air was in refrigerating chamber moves to refrigerating chamber, the phenomenon of freezing took place easily in catheter interior and air throttle etc., made in the running of air throttle etc. to go wrong.
In addition, in the existing refrigerator,, must open door during the input service instruction, so there is the cold air that leaks in the cabinet to increase the shortcoming of consumption electric power because signal input part is positioned at refrigerating chamber inside.
Summary of the invention
The object of the present invention is to provide the temperature control equipment of the refrigerator that does not have cooling gas leakage and the efficient adjusting in-cabinet temperature of energy.
In order to achieve the above object, temperature-adjusting device according to refrigerator of the present invention, by refrigerating chamber, in the refrigerator of several inner cabinet such as refrigerating chamber and switch room, its primary structure includes the compressor of compression refrigerant, the condenser of condensation refrigerant, the refrigerator evaporator that the refrigerant that utilization is supplied with from condenser carries out refrigerating chamber heat exchange operation, the switch room evaporimeter that the refrigerant that utilization is supplied with from condenser carries out switch room heat exchange operation, the switching of control refrigerant flow makes the refrigerant of above-mentioned condenser supply to 3 side's valves in above-mentioned refrigerator evaporator and the switch room evaporimeter, be positioned at above-mentioned switch room inside and heat the heater of switch room inside, the freezer evaporator that the refrigerant of utilization above-mentioned refrigerator evaporator of process and switch room evaporimeter carries out refrigerating chamber heat exchange operation.
And according to the temperature control equipment of refrigerator of the present invention, when the storage temperature of above-mentioned switch room was set in higher temperature, the refrigerant flow of 3 side's valves of opening to switch room was closed, and drives heater simultaneously in-cabinet temperature is risen.
And in the temperature control equipment according to refrigerator of the present invention, above-mentioned switch room in-cabinet temperature comes perception by switch room temperature inside sensing.Advantage and good effect: the temperature control equipment according to refrigerator of the present invention has following effect.
The switch room that is positioned at refrigerator top can change frozen mode, refrigeration pattern and fresh pattern as the variable temperature chamber, and also can stop using as required.It is unbalanced that such function can be eliminated the temperature of different refrigerating chamber in region, season, food Buying Cycle and refrigerating chamber.In addition, do not need to refrigerate because of the more space of residue in the cabinet and freezing running the time, selectivity is stopped using, so the effect that can reduce power consumption is arranged.
Description of drawings
Fig. 1 is the refrigerator according to prior art,
Fig. 2 is the oblique view according to refrigerator of the present invention,
Fig. 3 is the cool cycles figure according to control refrigerator in-cabinet temperature of the present invention.
The explanation of accompanying drawing major part symbol
100: switch room 110: refrigerating chamber
120: refrigerating chamber 200: compressor
210: condenser 220:3 side valve
230: refrigerator evaporator 240: the switch room evaporimeter
250: switch room heater 260: temperature sensor
270: freezer evaporator
The specific embodiment
Specify temperature control equipment below according to refrigerator of the present invention.
Fig. 2 is according to refrigerator oblique view of the present invention.
As shown in the figure, have several inner cabinet of forming by refrigerating chamber (110) and refrigerating chamber (120), be provided with switch room (100) separately as the variable temperature chamber on the top of refrigerating chamber (110).Above-mentioned switch room (100) is sealed by thermal wall on every side.Be split up in above-mentioned switch room (100) inside in addition: have for heating the heater in switch room (100) cabinet and being the temperature sensor of perception in-cabinet temperature.
In addition, have control panel (not shown) in the refrigerating chamber outside, set operation mode and temperature.
According to operation mode and temperature conditions that the user sets by above-mentioned control panel, the temperature range of refrigerating chamber (110) and refrigerating chamber (120) and switch room (100) is set.At this moment, above-mentioned switch room (100) can be in the range regulation storage temperature scope of broad owing to having switch room evaporimeter and heater in inside.
When the user is set at lower temperature to switch room, supply to switch room inside through the refrigerant of compressor and condenser according to the control of 3 side's valves and carry out the heat exchange operation, can be controlled at in-cabinet temperature in the lower temperature range thus.
In addition, when the user was set at switch room than the high temperature of said temperature, the refrigerant flow that 3 side's valves cut out to the switch room evaporimeter made refrigerant can not supply to switch room inside.And the running of the heater of switch room inside, the switch room in-cabinet temperature is risen.Thus, the user can design temperature.
Refrigerator of the present invention utilizes door and outside the 1st layer of isolation of room air as shown in Figure 2, and the 2nd layer is to utilize the compartment (for example drawer type) in refrigerating chamber and refrigerating chamber and the switch room cabinet to isolate room air.Therefore, storage keeping thing that can be fresher.
Fig. 3 is the cool cycles figure according to control refrigerator in-cabinet temperature of the present invention.
As shown in the figure, the present invention has following cooling system in order to control in-cabinet temperature.
The control of cooling system constitutes the compressor (200) that mainly includes compression refrigerant, the condenser of condensation refrigerant (210), regulating refrigerant makes it flow into 3 side's valves (220) of refrigerator evaporator (230) or switch room evaporimeter (240), the refrigerator evaporator (230) that carries out the heat exchange operation at refrigerating chamber evaporation refrigerant, the switch room evaporimeter (240) that carries out the heat exchange operation at switch room evaporation refrigerant, the freezer evaporator (270) that carries out the heat exchange operation at the freezing chamber evaporator refrigerant.
Above-mentioned 3 side's valves (220) are to carry out under the control of microcontroller (not shown) according to the process whether adjusting refrigerant flows such as operation mode of importing from control panel and temperature open and close.
The flow direction of above-mentioned cool cycles is described as follows.At first, at compressor (200) compression refrigerant, the refrigerant of compression flows into condenser (210) lining.Refrigerant through condenser (210) flows into refrigerator evaporator (230) or switch room evaporimeter (240) by 3 side's valves (220).If 3 side's valves (220) form stream to refrigerator evaporator (230), refrigerant supplies to refrigerator evaporator (230) lining.Thus, refrigerator evaporator (230) carries out heat exchange, and refrigerating chamber fan (not shown) running is to the refrigerating chamber cool-air feed.
In addition, if 3 side's valves (220) form stream to switch room evaporimeter (240), refrigerant supplies to above-mentioned switch room evaporimeter (240) lining.Thus, switch room evaporimeter (240) carries out heat exchange, and switch room fan (not shown) running is to the switch room cool-air feed.
And the refrigerant that flows into above-mentioned refrigerator evaporator (230) and switch room evaporimeter (240) lining moves to freezer evaporator (270).Thus, freezer evaporator (270) carries out heat exchange, and refrigerating chamber fan (not shown) running is to the refrigerating chamber cool-air feed.
Refrigerant through above-mentioned freezer evaporator (270) flows into compressor (200) again, flows into condenser (210) lining after being compressed then once more.Carry out aforesaid cool cycles thus repeatedly.
In addition, according to the running of above-mentioned 3 side's valves (220), if all be formed with stream to refrigerating chamber and switch room, above-mentioned refrigerator evaporator (230) and switch room evaporimeter (240) lining flow into refrigerant and carry out heat exchange.Thus, can be simultaneously to refrigerating chamber (110) and switch room (100) cool-air feed.
In the process of carrying out such cool cycles, identical with in the past of the in-cabinet temperature of refrigerating chamber and refrigerating chamber control.For the in-cabinet temperature of refrigerating chamber and refrigerating chamber is maintained suitable temperature value, according to the temperature value of the temperature sensor perception in refrigerating chamber and the refrigerating chamber cabinet, refrigerant flows into refrigerator evaporator (230) and heat exchange is carried out in freezer evaporator (270) lining.
In addition, the in-cabinet temperature of above-mentioned switch room can diversely be set and control.That is, if the user selects the switch room low temperature mode at the control panel (not shown) of refrigerator outside, microcontroller (not shown) control 3 side's valves (220) make it open to switch room evaporimeter (240).
As a result,, carry out heat exchange at switch room evaporimeter (240) through refrigerant inflow switch room evaporimeter (240) lining of compressor (200) and condenser (210), thus can be in the switch room cabinet cool-air feed.
If the user selects the switch room high temperature mode at the control panel (not shown) of refrigerator outside, microcontroller (not shown) control 3 side's valves (220) make it open to refrigerator evaporator (230).The refrigerant flow of opening to switch room evaporimeter (240) is closed in addition.So, flow into refrigerator evaporator (230) lining through the refrigerant of compressor (200) and condenser (210).
When improving switch room (100) temperature, needs utilize the heater (250) of switch room inside that the temperature of switch room is risen.That is, the heater of switch room inside (250) running of generating heat is so the temperature of switch room rises.The running of described heater (250) is that microcontroller is controlled according to the temperature value of temperature sensor (260) perception.
So when the temperature value by temperature sensor (260) perception reached the switch room high temperature mode in-cabinet temperature of user's setting, heater (250) stopped heating.And when the temperature value by temperature sensor (260) perception drop to below the switch room high temperature mode in-cabinet temperature that the user sets, heater (250) turned round and in the heating cabinet once more.
As mentioned above, the present invention is by the in-cabinet temperature control storage keeping thing of refrigerating chamber and refrigerating chamber, can also store the keeping thing of storage temperature that need be high than standard refrigerating chamber and refrigerating chamber storage temperature in addition.In addition, whether the present invention controls the refrigerant flow of 3 side's valves according to the use of refrigerating chamber and switch room, so can prevent that by the stream control of 3 side's valves refrigerant from flowing in the obsolete cabinet.
Its result can set suitable storage temperature according to the keeping thing of region, season and different qualities.
Switch room has only one in the embodiment of the invention, but above-mentioned switch room can also possess more than one.
Aforesaid basic fundamental thought of the present invention is: possess several inner cabinet in the refrigerator, and control in-cabinet temperature according to the operation mode that the user sets.
So the present invention also possesses separately heater and evaporimeter is installed in the cabinet inside in the space, control the refrigerant flow of 3 side's valves according to operation mode, evaporate operation or heater heating running, the control in-cabinet temperature.
Power of the present invention is not limited among the described embodiment, but is that the basis makes an explanation with patent request scope.And the general technology person of statement this area can have a variety of distortion in the claim scope of request scope record.
Claims (3)
1. the temperature-adjusting device of a refrigerator, constituting refrigerating chamber, in the refrigerator of several inner cabinet such as refrigerating chamber and switch room, include the compressor of compression refrigerant, the condenser of condensation refrigerant, the refrigerator evaporator that the refrigerant that utilization is supplied with from condenser carries out refrigerating chamber heat exchange operation, it is characterized in that: also have and utilize the switch room evaporimeter that carries out switch room heat exchange operation from the refrigerant of condenser supply, the switching of control refrigerant flow makes the refrigerant of above-mentioned condenser supply to 3 side's valves in above-mentioned refrigerator evaporator and the switch room evaporimeter, be positioned at above-mentioned switch room inside and heat the heater of switch room inside, the freezer evaporator that the refrigerant of utilization above-mentioned refrigerator evaporator of process and switch room evaporimeter carries out refrigerating chamber heat exchange operation.
2. the temperature-adjusting device of refrigerator according to claim 1 is characterized in that: when the temperature of above-mentioned switch room was set in higher temperature, the refrigerant flow of 3 side's valves of opening to switch room was closed, and drives heater simultaneously in-cabinet temperature is risen.
3. the temperature-adjusting device of refrigerator according to claim 2 is characterized in that: the temperature in the above-mentioned switch room is by switch room temperature inside sensor senses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019955 CN1721804A (en) | 2004-07-12 | 2004-07-12 | Temperature control device of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019955 CN1721804A (en) | 2004-07-12 | 2004-07-12 | Temperature control device of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1721804A true CN1721804A (en) | 2006-01-18 |
Family
ID=35912295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019955 Pending CN1721804A (en) | 2004-07-12 | 2004-07-12 | Temperature control device of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1721804A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389867B (en) * | 2006-03-09 | 2012-05-23 | 大金工业株式会社 | Freezing device |
| CN104583696A (en) * | 2012-08-02 | 2015-04-29 | Bsh博世和西门子家用电器有限公司 | Refrigeration device having automatic defrosting |
-
2004
- 2004-07-12 CN CN 200410019955 patent/CN1721804A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101389867B (en) * | 2006-03-09 | 2012-05-23 | 大金工业株式会社 | Freezing device |
| CN104583696A (en) * | 2012-08-02 | 2015-04-29 | Bsh博世和西门子家用电器有限公司 | Refrigeration device having automatic defrosting |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |