CN208332823U - Refrigerator - Google Patents

Abstract

The utility model provides a kind of refrigerator.Include: cabinet, inside defines storage room；Door body is connected to cabinet front, to be opened and closed storage room；And refrigeration system, for providing cooling capacity to storage room, and the refrigeration system includes by the sequentially connected compressor of refrigerant line, condensation, restricting element and evaporative component, wherein the condensation includes: anti-condensation pipe, it is set at at least partly region that cabinet is contacted with door body, prevents region from condensation occur using the heat of itself；Condenser fits in the shell of the cabinet, to distribute heat outward using the shell；Refrigerant flow direction switching device is connected between the anti-condensation pipe and the condenser, and is configured to the order that adjustment refrigerant flows through the anti-condensation pipe and the condenser.To eliminate condensation in refrigerator as fully as possible.

Description

Refrigerator

Technical field

The utility model relates to a kind of refrigerators, more particularly to a kind of refrigerator that can remove dew.

Background technique

Refrigerator, which is to maintain a kind of refrigeration equipment of constant low temperature and one kind, makes food or other articles keep constant low temperature The product for civilian use of cold conditions.Refrigerator refrigeration system generally comprises compressor, condenser, capillary and evaporator etc..It is cold in order to prevent The opening for hiding room or freezing chamber generates condensation, and refrigerant is generally made to flow into anti-condensation pipe by condenser, to utilize anti-condensation pipe The heat of internal refrigerant can play the role of preventing the opening of refrigerating chamber or freezing chamber from generating condensation, this kind of scheme Efficiently solve doorframe condensation problem.

But refrigerator still have in use easily there is a phenomenon where condensations.The use for having seriously affected refrigerator is comfortable Sense.

Utility model content

One purpose of the utility model is to provide a kind of refrigerator.

One of the utility model is further objective is that condensation in refrigerator will be eliminated as fully as possible.

The utility model another further objective is that the refrigerant that adjust refrigerator as precisely as possible flow through it is described The order of anti-condensation pipe and the condenser.

In order to realize at least one above-mentioned purpose, the utility model provides a kind of refrigerator, comprising:

Cabinet inside defines storage room；

Door body is connected to the cabinet front, to be opened and closed the storage room；And

Refrigeration system, for providing cooling capacity to the storage room, and the refrigeration system includes by refrigerant line Sequentially connected compressor, condensation, restricting element and evaporative component, wherein

The condensation includes:

Anti-condensation pipe is set at at least partly region that the cabinet is contacted with the door body, utilizes the heat of itself Prevent its region from condensation occur；

Condenser fits in the shell of the cabinet, to distribute heat outward using the shell；

Refrigerant flow direction switching device is connected between the anti-condensation pipe and the condenser, and is configured to adjustment system Cryogen flows through the order of the anti-condensation pipe and the condenser.

Further, the refrigerator further includes temperature sensor, is installed on the outlet of the anti-condensation pipe, described in measurement The temperature of anti-condensation pipe outlet；

The refrigerant flow direction switching device is configured to: the temperature in the anti-condensation pipe outlet is higher than preset dew point temperature In the case where degree, the anti-condensation pipe is flowed into after so that the refrigerant is first flowed into the condenser, and in the anti-condensation pipe In the case that the temperature of outlet is lower than the preset dew-point temperature, flowed into after so that the refrigerant is first flowed into the anti-condensation pipe The condenser.

Further, the refrigerant flow direction switching device includes；

First valve component is installed at the compressor outlet, so that refrigerant selection flows into the condenser First end or the anti-condensation pipe first end；

Second valve component is installed at the second end of the condenser, so that the refrigerant is selected from the condensation The second end of device flows into the first end of the anti-condensation pipe or flows into the restricting element；

Third valve component is installed at the second end of the anti-condensation pipe, so that refrigerant selection is by described cold The first end of condenser flows into the second end of the condenser or flows into the restricting element.

Further, first valve component includes:

First solenoid valve is connected to the outlet and the first end of the anti-condensation pipe of the compressor；

Second solenoid valve is connected to the outlet and the first end of the condenser of the compressor；

Second valve component includes:

Third solenoid valve is connected to the second end of the condenser and the first end of the anti-condensation pipe；

4th solenoid valve is connected to the second end of the condenser and the entrance of the restricting element；

The third valve component includes:

5th solenoid valve is connected to the second end of the anti-condensation pipe and the first end of the condenser；

6th solenoid valve is connected to the second end of the anti-condensation pipe and the entrance of the restricting element.

Further, described in the case where the temperature of the anti-condensation pipe outlet is higher than the preset dew-point temperature Second solenoid valve, the third solenoid valve and the 6th solenoid valve are each configured to be connected, first solenoid valve, described Four solenoid valves and the 5th solenoid valve are each configured to close；

In the case where the temperature of the anti-condensation pipe outlet is lower than the preset dew-point temperature, first electromagnetism Valve, the 4th solenoid valve and the 5th solenoid valve are each configured to be connected, the second solenoid valve, the third solenoid valve And the 6th solenoid valve is each configured to close.

Further, first valve component, second valve component, the third valve component are threeway Valve；

The first of first valve component is separately connected the outlet of the compressor to third end, the anti-condensation pipe The first end of first end and the condenser；

The first of second valve component is separately connected the second end of the condenser, the anti-condensation pipe to third end First end and the restricting element entrance；

The first of the third valve component to third end is separately connected the second end of the anti-condensation pipe, the condenser First end and the restricting element entrance.

Further, described in the case where the temperature of the anti-condensation pipe outlet is higher than the preset dew-point temperature The first end of first valve component is connected with third end；The first end of second valve component is connected with second end；Described The first end of three valve components is connected with third end；

In the case where the temperature of the anti-condensation pipe outlet is lower than the preset dew-point temperature, the first valve body group The first end of part is connected with second end；The first end of second valve component is connected with third end；The third valve component First end be connected with second end.

Further, the entrance front end of the restricting element is equipped with device for drying and filtering；

The pipeline that the evaporative component is connect with the compressor passes through in the restricting element；

The pipeline that the evaporative component is connect with the compressor is passed through out of described restricting element, the evaporative component with The pipeline of the compressor connection is equipped with liquid storage packet, so that the refrigerant of evaporative component outflow is followed by the liquid storage It wraps, the restricting element is interior and the compressor.

The refrigerator of the utility model using refrigerant flow direction switching device can be configured to adjustment refrigerant flow through it is anti-condensation The order of pipe and condenser.The refrigeration for being higher than or being flowed out much higher than condenser due to the temperature of the refrigerant of compressor outflow Agent can prevent refrigerator from coagulating in low temperature and high relative humidity in this way, the refrigerant for flowing out compressor flows directly into anti-condensation pipe Dew；And remove dew when refrigerator runs needs under normal circumstances, then flow through refrigerant first using refrigerant flow direction switching device cold Condenser enters back into anti-condensation pipe, can not only prevent condensation, but also can prevent anti-condensation tube temperature from spending high influence refrigeration effect.

Further, the refrigerator of the utility model is due to the outlet mounting temperature sensor in anti-condensation pipe, and is examined The temperature measured is compared with preset dew-point temperature, and refrigerant flow direction switching device adjustment refrigerant is then made to flow through anti-condensation pipe And the order of condenser.To which the more accurate order for flowing through anti-condensation pipe and condenser to refrigerant switches over.

According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more Add the above-mentioned and other purposes, advantages and features of clear the utility model.

Detailed description of the invention

Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that The drawings are not necessarily drawn to scale.In attached drawing:

Fig. 1 is the perspective schematic view of the utility model refrigerator；

Fig. 2 is a piping connection schematic diagram of the condensation of the utility model refrigerator；

Fig. 3 is another piping connection schematic diagram of the condensation of the utility model refrigerator.

Specific embodiment

Fig. 1 is the perspective schematic view of the present embodiment refrigerator；Referring to Fig. 1, the refrigerator of the present embodiment is needed to illustrate It is that at least one open storage room 410 in front side is defined in cabinet 400.The quantity and function of specific storage room 410 It can be configured according to preparatory demand.

Door body 500 is set to 400 front side of cabinet, for being opened and closed storage room 410.Such as door body 500 can be by hinged Mode the side of 400 front of cabinet is set, by being pivotably opened and closed storage room 410, the quantity of door body 500 can be with The quantity Matching of storage room 410, so as to individually open storage room 410 one by one.

Refrigeration system can be the system being made of compressor 100, condenser 202, restricting element 300 and evaporative component 600 etc. SAPMAC method system.Evaporative component 600 is configured to directly or indirectly provide cooling capacity into storage room 410.For example, working as the refrigeration When refrigerating plant is household compression direct cooling refrigerator, evaporative component 600 may be disposed on the outside of the rear surface of inner container of icebox or inside. When the refrigerating device is household compression wind cooling refrigerator, also there is evaporator room in cabinet 400, evaporator room passes through wind Road system is connected to storage room 410, and evaporative component 600 is arranged in evaporator room, and exit is provided with blower, with to storing Compartment 410 carries out circularly cooling.Since such cabinet 400, door body 500, refrigeration system itself are that those skilled in the art are known And be easily achieved, in order not to cover and obscure the inventive point of the present embodiment, hereinafter to cabinet 400, door body 500, refrigeration system Itself is not repeated them here.

Referring to Fig. 1, the present embodiment provides a kind of refrigerators, comprising: cabinet 400, door body 500 and refrigeration system.Cabinet 400 Inside define storage room 410.Door body 500 is connected to 400 front of cabinet, to be opened and closed storage room 410.Fig. 2 is the present embodiment One piping connection schematic diagram of the condensation of refrigerator；Fig. 3 is that another pipeline of the condensation of the present embodiment refrigerator connects Connect schematic diagram；Referring to fig. 2 and Fig. 3, refrigeration system is used to provide cooling capacity to storage room 410, and refrigeration system includes by making The sequentially connected compressor 100 of refrigerant circuit, condensation, restricting element 300 and evaporative component 600, wherein condensation It include: anti-condensation pipe 201, condenser 202 and refrigerant flow direction switching device.Anti-condensation pipe 201 is set to cabinet 400 and door At at least partly region that body 500 contacts, prevent region from condensation occur using the heat of itself.Condenser 202 fits in The shell of cabinet 400, to distribute heat outward using shell.Refrigerant flow direction switching device be connected to anti-condensation pipe 201 with it is cold Between condenser 202, and it is configured to the order that adjustment refrigerant flows through anti-condensation pipe 201 and condenser 202.

The present embodiment refrigerator utility model inventors have found that although existing refrigerator is equipped with anti-condensation pipe 201 and can To prevent condensation to a certain extent, that is, except dew；But the condensing agent that often compressor 100 is discharged first passes through condenser 202 flow into again in anti-condensation pipe 201, and then anti-condensation pipe 201 is carried out using condensing agent except dew.It is discharged due to compressor 100 Condensing agent cools down in condenser 202, in the case of refrigerator is in low temperature and high relative humidity, from the condensing agent of the outflow of condenser 202 Temperature deficiency is to prevent dew, so that there is condensation in refrigerator at this time.

In order to solve the above-mentioned technical problem, in the present embodiment, refrigerant flow direction switching device can be configured to adjustment refrigeration Agent flows through the order of anti-condensation pipe 201 and condenser 202, that is to say, that refrigerant can be made first to flow through anti-condensation pipe 201 again Into condenser 202, or so that refrigerant is first flowed through condenser 202 and enter back into anti-condensation pipe 201.Since compressor 100 flows out Refrigerant temperature be higher than or much higher than condenser 202 flow out refrigerant, in this way, make compressor 100 flow out refrigerant Refrigerator condensation in low temperature and high relative humidity can be prevented by flowing directly into anti-condensation pipe 201；And when refrigerator is transported under normal circumstances When row is needed except dew, the refrigerant heat after condenser 202 can ensure against condensation, and refrigerant flow direction switching device can So that refrigerant is first flowed through condenser 202 and enter back into anti-condensation pipe 201, prevents the anti-condensation excessively high influence refrigeration effect of 201 temperature of pipe.

Referring to fig. 2 and Fig. 3, further, refrigerator further includes temperature sensor 700, is installed on going out for anti-condensation pipe 201 Mouthful, to measure the temperature that anti-condensation pipe 201 exports.Refrigerant flow direction switching device is configured to: the temperature in the outlet of anti-condensation pipe 201 In the case that degree is higher than preset dew-point temperature, anti-condensation pipe 201 is flowed into after so that refrigerant is flowed into condenser 202, and anti- The temperature that condensation pipe 201 exports flows into after so that refrigerant is first flowed into anti-condensation pipe 201 lower than in the case where preset dew-point temperature Condenser 202.

The refrigerator of the present embodiment is detected due to the outlet mounting temperature sensor 700 in anti-condensation pipe 201 Temperature is compared with preset dew-point temperature, then make refrigerant flow direction switching device adjustment refrigerant flow through anti-condensation pipe 201 with And the order of condenser 202.To it is more accurate to refrigerant flow through the order of anti-condensation pipe 201 and condenser 202 into Row switching.Further to make refrigerator in the high humidity of various different temperatures as far as possible except dew.

Referring to fig. 2 and Fig. 3, further, refrigerant flow direction switching device includes: the first valve component 203, the second valve body Component 204 and third valve component 205.First valve component 203 is installed on 100 exit of compressor, so that refrigerant selects Flow into the first end of condenser 202 or the first end of anti-condensation pipe 201.Second valve component 204 is installed on the of condenser 202 At two ends, so that refrigerant selection flows into the first end of anti-condensation pipe 201 from the second end of condenser 202 or flows into restricting element 300.Third valve component 205 is installed at the second end of anti-condensation pipe 201, so that first end of the refrigerant by condenser 202 It flows into the second end of condenser 202 or flows into restricting element 300.

When refrigerant flow direction switching device is configured to flow into the feelings of condenser 202 after refrigerant flows through anti-condensation pipe 201 again Under condition, the first valve component 203 makes refrigerant flow into the first end of anti-condensation pipe 201, third valve component 205 make refrigerant by The first end of condenser 202 flows into the second end of condenser 202.Second valve component 204 makes refrigerant flow into restricting element 300。

When refrigerant flow direction switching device is configured to flow into anti-condensation pipe 201 after refrigerant first flows through condenser 202 again In the case of, the first valve component 203 make refrigerant flow into condenser 202 first end, the second valve component 204 make refrigerant from The second end of condenser 202 flows into the first end of anti-condensation pipe 201, and third valve component 205 makes refrigerant flow into restricting element 300。

Referring to fig. 2, further, the first valve component 203 includes: the first solenoid valve 2031 and second solenoid valve 2032. First solenoid valve 2031 is connected to the outlet and the first end of anti-condensation pipe 201 of compressor 100.Second solenoid valve 2032 is connected to The outlet of compressor 100 and the first end of condenser 202.Second valve component 204 includes: third solenoid valve 2041 and the 4th electricity Magnet valve 2042.Third solenoid valve 2041 is connected to the second end of condenser 202 and the first end of anti-condensation pipe 201.4th electromagnetism Valve 2042 is connected to the second end of condenser 202 and the entrance of restricting element 300.Third valve component 205 includes: the 5th electromagnetism Valve 2051 and the 6th solenoid valve 2052.5th solenoid valve 2051 be connected to anti-condensation pipe 201 second end and condenser 202 the One end.6th solenoid valve 2052 is connected to the second end of anti-condensation pipe 201 and the entrance of restricting element 300.

When refrigerant flow direction switching device is configured to flow into the feelings of condenser 202 after refrigerant flows through anti-condensation pipe 201 again Under condition, the first solenoid valve 2031 conducting, second solenoid valve 2032 is closed, and refrigerant is entered anti-condensation by the outlet of compressor 100 The first end of pipe 201；The conducting of 5th solenoid valve 2051, the 6th solenoid valve 2052 are closed, and refrigerant is by the second of anti-condensation pipe 201 End enters the first end of condenser 202；Third solenoid valve 2041 is closed, and the conducting of the 4th solenoid valve 2042, refrigerant is by condenser 202 second end flows into the entrance of restricting element 300.

When refrigerant flow direction switching device is configured to flow into the feelings of anti-condensation pipe 201 after refrigerant flows through condenser 202 again Under condition, the first solenoid valve 2031 is closed, and second solenoid valve 2032 is connected, and refrigerant enters condenser by the outlet of compressor 100 202 first end；Third solenoid valve 2041 be connected, the 4th solenoid valve 2042 close, refrigerant by condenser 202 second end stream Enter the first end of anti-condensation pipe 201.The conducting of 5th solenoid valve 2051, the 6th solenoid valve 2052 are closed, and refrigerant is by anti-condensation pipe 201 second end enters the entrance of restricting element 300.

Referring to fig. 2, further, in the case where the temperature of anti-condensation pipe 201 outlet is higher than preset dew-point temperature, the Two solenoid valves 2032, third solenoid valve 2041 and the 6th solenoid valve 2052 are each configured to be connected, the first solenoid valve the 2031, the 4th Solenoid valve 2042 and the 5th solenoid valve 2051 are each configured to close.Temperature in the outlet of anti-condensation pipe 201 is lower than preset dew In the case where point temperature, the first solenoid valve 2031, the 4th solenoid valve 2042 and the 5th solenoid valve 2051 are each configured to be connected, the Two solenoid valves 2032, third solenoid valve 2041 and the 6th solenoid valve 2052 are each configured to close.

Whether the temperature based on the outlet of anti-condensation pipe 201 is higher than preset dew-point temperature, to the first to the 6th solenoid valve 2052 jointly control, so that more accurately automatic adjustment adjustment refrigerant flows through the suitable of anti-condensation pipe 201 and condenser 202 Sequence.

Referring to fig. 2 and Fig. 3, further, the pipeline that evaporative component 600 is connect with compressor 100 passes through restricting element 300 It is interior, so that the refrigerant that evaporative component 600 flows out exchanges heat with the refrigerant in restricting element 300.

Since the refrigerant in restricting element 300 needs further cooling, and the refrigerant that evaporative component 600 flows out needs It is heated into compressor 100, so the pipeline that evaporative component 600 is connect with compressor 100 passes through in restricting element 300, The refrigerant for flowing out evaporative component 600 exchanges heat with the refrigerant in restricting element 300.Both it can make restricting element 300 Interior refrigerant further cools down without the energy for consuming restricting element 300, and can enter compressor 100 in refrigerant and heat The preceding energy for carrying out waste heat to it first without consuming evaporative component 600 and compressor 100, realizes sufficient energy conservation and environmental protection.

Referring to Fig. 3, further, first to third valve component 203-205 is triple valve.First valve component 203 The first outlet for being separately connected compressor 100 to third end, the first of the first end of anti-condensation pipe 201 and condenser 202 End.The first of second valve component 204 is separately connected the second end of condenser 202 to third end, and the first of anti-condensation pipe 201 The entrance of end and restricting element 300.The first of third valve component 205 to third end is separately connected the second of anti-condensation pipe 201 End, the first end of condenser 202 and the entrance of restricting element 300.

In the case where flowing into condenser 202 again after refrigerant flows through anti-condensation pipe 201, the of the first valve component 203 One end is connected with second end, and refrigerant is entered the first end of anti-condensation pipe 201 by the outlet of compressor 100；Second valve component 204 first end is connected with third end, and refrigerant is entered the first end of condenser 202 by the second end of anti-condensation pipe 201.Third The first end of valve component 205 is connected with second end, and refrigerant flows into entering for restricting element 300 by the second end of condenser 202 Mouthful.

In the case where flowing into anti-condensation pipe 201 again after refrigerant flows through condenser 202, the of the first valve component 203 One end is connected with third end, and refrigerant is entered the first end of condenser 202 by the outlet of compressor 100；Second valve component 204 First end be connected with second end, refrigerant is flowed into the first end of anti-condensation pipe 201 by the second end of condenser 202；Third valve The first end of body component 205 is connected with third end, and refrigerant enters entering for restricting element 300 by the second end of anti-condensation pipe 201 Mouthful.

Referring to Fig. 3, further, in the case where the temperature of anti-condensation pipe 201 outlet is higher than preset dew-point temperature, the The first end of one valve component 203 is connected with third end；The first end of second valve component 204 is connected with second end；Third valve The first end of body component 205 is connected with third end.

In the case where the temperature of anti-condensation pipe 201 outlet is lower than preset dew-point temperature, the of the first valve component 203 One end is connected with second end；The first end of second valve component 204 is connected with third end；The first end of third valve component 205 It is connected with second end.

Referring to fig. 2 and Fig. 3, further, the entrance front end of restricting element 300 is equipped with device for drying and filtering 800.Evaporation group The pipeline that part 600 is connect with compressor 100 passes through in restricting element 300.The pipeline that evaporative component 600 is connect with compressor 100 Liquid storage packet 900 is installed, so that the refrigerant that evaporative component 600 flows out enters back into restricting element 300 after being introduced into liquid storage packet 900 It is interior.

So far, although those skilled in the art will appreciate that the more of the utility model have been shown and described in detail herein A exemplary embodiment still, still can be according to the utility model public affairs in the case where not departing from the spirit and scope of the utility model The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this is practical new The range of type is understood that and regards as to cover all such other variations or modifications.

Claims (8)

1. a kind of refrigerator characterized by comprising

Cabinet inside defines storage room；

Door body is connected to the cabinet front, to be opened and closed the storage room；And

Refrigeration system, for the storage room provide cooling capacity, and the refrigeration system include by refrigerant line successively Compressor, condensation, restricting element and the evaporative component of connection, wherein

The condensation includes:

Anti-condensation pipe is set at at least partly region that the cabinet is contacted with the door body, is prevented using the heat of itself There is condensation in its region；

Condenser fits in the shell of the cabinet, to distribute heat outward using the shell；

Refrigerant flow direction switching device is connected between the anti-condensation pipe and the condenser, and is configured to adjustment refrigerant Flow through the order of the anti-condensation pipe and the condenser.

2. refrigerator according to claim 1, which is characterized in that

The refrigerator further includes temperature sensor, is installed on the outlet of the anti-condensation pipe, to measure the anti-condensation pipe outlet Temperature；

The refrigerant flow direction switching device is configured to: the temperature in the anti-condensation pipe outlet is higher than preset dew-point temperature In the case of, the anti-condensation pipe is flowed into after so that the refrigerant is first flowed into the condenser, and export in the anti-condensation pipe Temperature lower than described in being flowed into the case where the preset dew-point temperature, after so that the refrigerant is first flowed into the anti-condensation pipe Condenser.

3. refrigerator according to claim 2, which is characterized in that

The refrigerant flow direction switching device includes；

First valve component is installed at the compressor outlet, so that refrigerant selection flows into the of the condenser The first end of one end or the anti-condensation pipe；

Second valve component is installed at the second end of the condenser, so that the refrigerant is selected from the condenser Second end flows into the first end of the anti-condensation pipe or flows into the restricting element；

Third valve component is installed at the second end of the anti-condensation pipe, so that refrigerant selection is by the condenser First end flow into the second end of the condenser or flow into the restricting element.

4. refrigerator according to claim 3, which is characterized in that

First valve component includes:

First solenoid valve is connected to the outlet and the first end of the anti-condensation pipe of the compressor；

Second solenoid valve is connected to the outlet and the first end of the condenser of the compressor；

Second valve component includes:

Third solenoid valve is connected to the second end of the condenser and the first end of the anti-condensation pipe；

4th solenoid valve is connected to the second end of the condenser and the entrance of the restricting element；

The third valve component includes:

5th solenoid valve is connected to the second end of the anti-condensation pipe and the first end of the condenser；

6th solenoid valve is connected to the second end of the anti-condensation pipe and the entrance of the restricting element.

5. refrigerator according to claim 4, which is characterized in that

In the case where the temperature of the anti-condensation pipe outlet is higher than the preset dew-point temperature, the second solenoid valve, institute It states third solenoid valve and the 6th solenoid valve is each configured to be connected, first solenoid valve, the 4th solenoid valve and institute The 5th solenoid valve is stated to be each configured to close；

In the case where the temperature of the anti-condensation pipe outlet is lower than the preset dew-point temperature, first solenoid valve, institute It states the 4th solenoid valve and the 5th solenoid valve is each configured to be connected, the second solenoid valve, the third solenoid valve and institute The 6th solenoid valve is stated to be each configured to close.

6. refrigerator according to claim 3, which is characterized in that

First valve component, second valve component, the third valve component are triple valve；

The first of first valve component is separately connected the outlet of the compressor to third end, and the first of the anti-condensation pipe The first end of end and the condenser；

The first of second valve component is separately connected the second end of the condenser to third end, and the of the anti-condensation pipe The entrance of one end and the restricting element；

The first of the third valve component to third end is separately connected the second end of the anti-condensation pipe, and the of the condenser The entrance of one end and the restricting element.

7. refrigerator according to claim 6, which is characterized in that

In the case where the temperature of the anti-condensation pipe outlet is higher than the preset dew-point temperature, first valve component First end is connected with third end；The first end of second valve component is connected with second end；The of the third valve component One end is connected with third end；

In the case where the temperature of the anti-condensation pipe outlet is lower than the preset dew-point temperature, first valve component First end is connected with second end；The first end of second valve component is connected with third end；The of the third valve component One end is connected with second end.

8. refrigerator according to any one of claim 1 to 7, which is characterized in that

The entrance front end of the restricting element is equipped with device for drying and filtering；

The pipeline that the evaporative component is connect with the compressor passes through in the restricting element；

The pipeline that the evaporative component is connect with the compressor is passed through out of described restricting element, the evaporative component with it is described Compressor connection pipeline liquid storage packet is installed so that the evaporative component outflow refrigerant followed by the liquid storage packet, In the restricting element and the compressor.