CN2533439Y

CN2533439Y - Single door, double-chamber, double-temp constant-temp. refrigerator

Info

Publication number: CN2533439Y
Application number: CN 02226469
Authority: CN
Inventors: 周云飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-28
Filing date: 2002-03-28
Publication date: 2003-01-29
Anticipated expiration: 2012-03-28

Abstract

The utility model relates to a single-door double-room double-temperature constant temperature refrigeration cabinet which improves greatly the control accuracy of cryogenic temperature of the refrigerating chamber inside the refrigerating cabinet without substantial increase in the cost, includes a shell, door, refrigeration system of compressor, and air-cooler, and is characterized in that an interlayer inside the refrigerating cabinet separates the refrigerating cabinet into a first refrigerating chamber and second refrigerating chamber, spacing is position between the interlayer and the door to cause the first refrigerating chamber to be communicated with the second refrigerating chamber, the interlayer is also provided with a through-hole which causes the first R refrigerating chamber to be communicated with the second refrigerating chamber, and a convection fan is arranged on the through-hole of the interlayer; a cold blast mouth is positioned in the first refrigerating chamber, inside which a temperature controller is arranged to control the compressor; the second refrigerating chamber is provided with a heater, heating fan and temperature probe, which controls the convection fan, heater and heating fan.

Description

Single door, double-chamber's double-temp constant-temp refrigerator

Technical field:

The utility model relates to a kind of refrigerator, the refrigerator of particularly a kind of single door, double-chamber double-temp constant-temp.

Technical background:

The temperature that each refrigerating chamber normally each has a door and storeroom in the refrigerator of existing family expenses compressor cooling or the domestic refrigerator all uses the opening of control compressor, stop temperature is controlled in the scope that temperature controller sets.When the storeroom temperature reached setting value, temperature controller control compressor shut down, and refrigeration system stops refrigeration; When the storeroom temperature recovery when being higher than the setting value of temperature controller, temperature controller control compressor operation, refrigeration system work reduces the temperature of storeroom once more, so circulation running, make in the storeroom temperature within the specific limits.Reason owing to the refrigeration system capillary-compensated, during the refrigeration system periodic duty, pressure is balance at once, after shutting down, compressor starts once more, must etc. could start once more after the refrigeration system pressure balance, therefore the storeroom temperature recovery can not start compressor cooling after surpassing design temperature at once, therefore cause the fluctuation ratio of storage indoor temperature bigger, promptly not high to control accuracy of temperature, require relatively stricter beverage or other food for temperature fluctuation, this class refrigerator or refrigerator can not reach requirement.

Summary of the invention:

Technical problem:

Problem to be solved in the utility model is to improve the control accuracy of the refrigerating chamber cryogenic temperature of existing refrigerator.

Technical scheme:

The purpose of this utility model is achieved in that a kind of single door, double-chamber double-temp constant-temp refrigerator, comprises shell, door, compressor refrigeration system, air-cooler, temperature controller, and compressor refrigeration system is made up of condenser, evaporimeter, compressor, capillary; It is characterized in that having in the refrigerator interlayer that refrigerator is divided into first refrigerating chamber and second refrigerating chamber, leave the gap first refrigerating chamber and second refrigerating chamber are communicated between interlayer and door, also have through hole on the interlayer first refrigerating chamber is communicated with second refrigerating chamber, on the through hole of described interlayer, convection flow fan is housed; The cold wind mouth of cold wind through being located at first refrigerating chamber, one side that blows out from the air-cooler of evaporimeter rear side is blown into first refrigerating chamber; Temperature controller in first refrigerating chamber is used for controlling the work of compressor; Be provided with the work that temp probe is used for controlling convection flow fan in second refrigerating chamber.

Described single door, double-chamber double-temp constant-temp refrigerator is characterized in that second refrigerating chamber outside is provided with heater and heating blower, and the hot-air mouth of hot blast through being located at second refrigerating chamber, one side that blows out from the heating blower of heater rear side is blown in second refrigerating chamber; Heater and heating blower work improve the temperature of second refrigerating chamber rapidly when the temperature of second refrigerating chamber is lower than setting value, and the work of heater and heating blower is controlled by temp probe.

Operation principle:

The operation principle of first refrigerating chamber is the same with common refrigerator.When the temperature of second refrigerating chamber is lower than setting value, the convection flow fan energising makes the air between first refrigerating chamber and second refrigerating chamber produce forced convertion, frozen air in first refrigerating chamber is blown into second refrigerating chamber by the through hole on the interlayer, hot-air in second refrigerating chamber flows to first refrigerating chamber from the gap between interlayer and door simultaneously, and its process is taken the heat in second refrigerating chamber to first refrigerating chamber and made the cooling of second refrigerating chamber; After the temperature of second refrigerating chamber reaches setting value, convection flow fan outage, between first refrigerating chamber and second refrigerating chamber Forced Air Convection stop; And when the temperature of second refrigerating chamber was too low, heater in second refrigerating chamber and heating blower energising made the temperature recovery of second refrigerating chamber.Certainly, the desired temperature of second refrigerating chamber can not be lower than the desired temperature of first refrigerating chamber.

Beneficial effect:

Owing to adopted technical scheme described in the utility model, second refrigerating chamber of single door, double-chamber described in the utility model double-temp constant-temp refrigerator be by and the cross-ventilation of first refrigerating chamber and between air and air, produce heat exchange and reach heat is transferred to first refrigerating chamber from second refrigerating chamber, and the desired temperature of first refrigerating chamber can be set as far as possible near the desired temperature of second refrigerating chamber, and the heat exchanging process when making both produce cross-ventilation is gentle as far as possible; The Controllable Temperature of second refrigerating chamber of this single door, double-chamber double-temp constant-temp refrigerator is within positive and negative 0.5 degree scope, and temperature control precision improves greatly, but only need increase by two little blower fans and a heater, and its cost increases little.Solved the control accuracy that under the prerequisite that raises the cost not significantly, improves refrigerating chamber cryogenic temperature in the existing refrigerator.

Description of drawings:

Accompanying drawing is the internal structure schematic diagram of single door, double-chamber described in the utility model double-temp constant-temp refrigerator.

Drawing description of symbols: 1-shell, 101-first refrigerating chamber, 102-second refrigerating chamber, 103-cold wind mouth, the 104-hot-air mouth, 11-interlayer, 111-through hole, the 2-door, 21-air-cooler, 22-convection flow fan, the 23-heating blower, 3-insulation material, 4-evaporimeter, the 5-heater, 61-temperature controller, 62-temp probe, the 7-condenser, 8-compressor, 9-gap.

The specific embodiment:

Accompanying drawing is the internal structure schematic diagram of a specific embodiment of single door, double-chamber described in the utility model double-temp constant-temp refrigerator, described as seen from the figure single door, double-chamber double-temp constant-temp refrigerator comprises shell 1, door 2, evaporimeter 4, condenser 7, compressor 8, air-cooler 21, temperature controller 61; There is an interlayer 11 that refrigerator is divided into first refrigerating chamber 101 and second refrigerating chamber 102 in its refrigerator, interlayer 11 leaves gap 9 with 2 at door communicates first refrigerating chamber 101 and second refrigerating chamber 102, also have through hole 111 on the interlayer 11 first refrigerating chamber 101 is communicated with second refrigerating chamber 102, on the through hole 111 of interlayer 11 convection flow fan 22 is housed; Evaporimeter 4 and air-cooler 21 are located at the outside of first refrigerating chamber 101, are provided with cold wind mouth 103 in a side of first refrigerating chamber 101 of corresponding evaporimeter 4; Be provided with the work that temperature controller 61 is used for controlling compressor 8 in first refrigerating chamber 101; Heater 5 and heating blower 23 are located at second refrigerating chamber, 102 outsides, and second refrigerating chamber, 102 1 sides of corresponding heater 5 have hot-air mouth 104; Also be provided with the work that temp probe 62 is used for controlling convection flow fan 22, heater 5 and heating blower 23 in second refrigerating chamber 102; Be filled with insulation material 3 in the interlayer of shell 1.

Certainly, the convection flow fan in the present embodiment also can match with a computer controller, makes convection flow fan realize stepless speed regulation, and such effect will be better, and just cost is big slightly.

Claims

1, a kind of single door, double-chamber double-temp constant-temp refrigerator comprises shell (1), door (2), compressor refrigeration system, air-cooler (21), temperature controller (61), and compressor refrigeration system is made up of condenser (7), evaporimeter (4), compressor (8), capillary; It is characterized in that having in the refrigerator interlayer (11) that refrigerator is divided into first refrigerating chamber (101) and second refrigerating chamber (102), interlayer (11) leaves gap (9) with door between (2) communicates first refrigerating chamber (101) and second refrigerating chamber (102), also have through hole (111) on the interlayer (11) first refrigerating chamber (101) is communicated with second refrigerating chamber (102), on the through hole (111) of described interlayer (11), convection flow fan (22) is housed; The cold wind mouth (103) of cold wind through being located at first refrigerating chamber (101) one sides that blows out from the air-cooler (21) of evaporimeter (4) rear side is blown into first refrigerating chamber (101); Temperature controller (61) in first refrigerating chamber (101) is used for controlling the work of compressor (8); Be provided with the work that temp probe (62) is used for controlling convection flow fan (22) in second refrigerating chamber (102).

2, single door, double-chamber according to claim 1 double-temp constant-temp refrigerator, it is characterized in that second refrigerating chamber (102) outside is provided with heater (5) and heating blower (23), the hot-air mouth (104) of hot blast through being located at second refrigerating chamber (102) one sides that blows out from the heating blower (23) of heater (5) rear side is blown in second refrigerating chamber (102); The work of heater (5) and heating blower (23) is controlled by temp probe (62).