CN202648303U - Full-system refrigeration control refrigerator - Google Patents

Full-system refrigeration control refrigerator Download PDF

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Publication number
CN202648303U
CN202648303U CN 201220249132 CN201220249132U CN202648303U CN 202648303 U CN202648303 U CN 202648303U CN 201220249132 CN201220249132 CN 201220249132 CN 201220249132 U CN201220249132 U CN 201220249132U CN 202648303 U CN202648303 U CN 202648303U
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CN
China
Prior art keywords
refrigeration
magnetic valve
evaporator
refrigeration evaporator
control
Prior art date
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
Application number
CN 201220249132
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Chinese (zh)
Inventor
张奎
陈忠峻
刘建如
燕统钧
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Haier Group Corp
Qingdao Haier Co Ltd
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Haier Group Corp
Qingdao Haier Co Ltd
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Publication date
Application filed by Haier Group Corp, Qingdao Haier Co Ltd filed Critical Haier Group Corp
Priority to CN 201220249132 priority Critical patent/CN202648303U/en
Priority to PCT/CN2012/087520 priority patent/WO2013177929A1/en
Application granted granted Critical
Publication of CN202648303U publication Critical patent/CN202648303U/en
Anticipated expiration legal-status Critical
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2511—Evaporator distribution valves

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The utility model discloses a full-system refrigeration control refrigerator, which comprises a refrigerator compartment and a freezer compartment, wherein a first refrigeration evaporator and a second refrigeration evaporator are arranged in the refrigerator compartment; a freezing evaporator is arranged in the freezer compartment; the first refrigeration evaporator, the second refrigeration evaporator and a capillary tube, which are connected in parallel, are connected with the freezing evaporator in series and then connected with a compressor and a condenser in sequence to form three independent refrigerant circulation loops; the three parallel branches of the first refrigeration evaporator, the second refrigeration evaporator and the capillary tube form two nodes where two control valves are arranged respectively; and the access of the control valves is switched by a control unit. According to the refrigerator provided by the utility model, such functions as double-door single system control, double-door double-system control, single refrigeration for refrigeration and single refrigeration for freezing are realized; and a user can adjust different refrigeration ways according to the actual condition to meet the storage and energy conservation requirements of foods frozen in a short period so as to achieve the optimal cost performance.

Description

A kind of total system refrigeration control refrigerator
Technical field
The utility model relates to a kind of refrigerator, specifically, relates to a kind of refrigerator of total system refrigeration control.
Background technology
Two refrigerators in the market are divided into single system control, tw o system control, double-pressing machine control mode; The general refrigerating capacity of single system control refrigerator is less, and refrigeration pipe can only be series connection, can't realize any single control; when needing freezing food more in some festivals or holidays; under the refrigeration system of little refrigerating capacity, can not shut down for a long time, affect the press life-span and waste energy.The dual system refrigerator generally is to have added a freezing attemperating unit and a minute manifold solenoid valve at present, to realize the control to two chambers, can give separately freezing refrigeration, can not turn off freezing separately to refrigeration, when needs refrigeration abundance of food the time, the frozen food demand is few, and this refrigeration modes refrigeration can make cryogenic temperature always drop-down, causes energy waste.If adopt the double-pressing machine refrigerator, this is two fully independent cover refrigeration pipe and controls, can realize fully closing separately or enabling, but the double-pressing machine cost is too high, also is unfavorable for noise and energy-conservation.This solution can realize all modes of above control, and the cost increase is lower than the double-pressing machine control mode, saves cost, the energy and also reduces noise.
The utility model is exactly two novel refrigerators of developing under above-mentioned background, this cold compartment of refrigerator can according to the actual conditions needs, be selected best working method, to meet consumers' demand and to save the input resource, to reach best cost performance, the consumer is benefited.
Summary of the invention
The utility model is in order to solve the existing refrigerator that only has a kind of refrigeration control system, can not satisfy the demand of user under varying environment, a kind of refrigerator of total system refrigeration control is provided, can carry out single double control system and switch, be conducive to save electric energy, and cost of manufacture is low.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of total system refrigeration control refrigerator, comprise refrigerating chamber and refrigerating chamber, in described refrigerating chamber, be provided with the first refrigeration evaporator and the second refrigeration evaporator, in described refrigerating chamber, be provided with refrigerating evaporator, the first refrigeration evaporator, the second refrigeration evaporator, and the capillary three connects with refrigerating evaporator after being in parallel, and successively with compressor, condenser is connected and forms three separate refrigerant circulation loops, described the first refrigeration evaporator, the second refrigeration evaporator, and three parallel branches at capillary place form two nodes, described two Nodes are respectively arranged with the control valve that flows to for the control condensing agent, and control module switches the path of described two control valves.
Further, described two control valves are the two-bit triplet magnetic valve: the first magnetic valve and the second magnetic valve, the import of described the first magnetic valve is connected with condenser, two outlets connect respectively the import of the first refrigeration evaporator and the second magnetic valve, and two outlets of described the second magnetic valve connect respectively the second refrigeration evaporator and capillary.
Freeze to refrigerating chamber separately in order to make refrigerator can close the refrigerating chamber refrigeration, to satisfy the little situation of the large freezing demand of refrigeration demand, described refrigerator also comprises the 3rd refrigeration evaporator that is arranged in the refrigerating chamber, described the 3rd refrigeration evaporator by the 3rd magnetic valve with connect after condenser and compressor be in parallel, described the 3rd magnetic valve is connected with control module.
Further, the import of described the first magnetic valve is connected with condenser, two outlets connect respectively the import of the first refrigeration evaporator and the second magnetic valve, two outlets of described the second magnetic valve connect respectively the import of the second refrigeration evaporator and the 3rd magnetic valve, and two outlets of described the 3rd magnetic valve connect respectively the 3rd refrigeration evaporator and capillary.
Preferably, described the 3rd magnetic valve is the two-bit triplet magnetic valve.
Further, between described condenser and the first magnetic valve, also be connected with the dry filter pipe.
Further again, between described compressor and condenser, also be connected with dew removing tube.
Compared with prior art, advantage of the present utility model and good effect are: total system refrigeration control refrigerator of the present utility model, realize the switching controls of many refrigeration evaporators and refrigerating evaporator by control module and plurality of electromagnetic valve, thereby realize two-door single system control, two-door tw o system control, the refrigeration separate refrigeration, freezing separate refrigeration above-mentioned functions, the user can be according to actual conditions, adjust different refrigeration modes, satisfy the freezing food storage demand of short-term and satisfy energy-conservation demand, to reach best cost performance, the consumer is benefited, and has reduced the waste of purchasing machine cost and the double-pressing machine energy and the interference of double-pressing machine noise.
After reading by reference to the accompanying drawings the detailed description of the utility model embodiment, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is that a kind of embodiment system that the utility model proposes connects block diagram;
Fig. 2 is the control principle block diagram among Fig. 1;
Fig. 3 is that another embodiment system that the utility model proposes connects block diagram;
Fig. 4 is the control principle block diagram among Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in more detail.
The utility model is in order to solve the refrigerator that only has a kind of refrigeration control system at present, can not satisfy the demand of user under varying environment, a kind of refrigerator of total system refrigeration control is provided, realize the switching controls of many refrigeration evaporators and refrigerating evaporator by control module and plurality of electromagnetic valve, can carry out single double control system switches, can satisfy under user's varying environment the refrigeration demand of refrigerator, be conducive to save electric energy, and reduce cost of manufacture.
Embodiment one, referring to shown in Figure 1, the total system refrigeration control refrigerator of present embodiment, comprise refrigerating chamber and refrigerating chamber (not showing among Fig. 1), in described refrigerating chamber, be provided with the first refrigeration evaporator 1 and the second refrigeration evaporator 2, in described refrigerating chamber, be provided with refrigerating evaporator 3, the first refrigeration evaporator 1, the second refrigeration evaporator 2, and capillary 4 threes connect with refrigerating evaporator 3 after being in parallel, then successively with compressor 5, condenser 6 is connected and forms three separate refrigerant circulation loops, described the first refrigeration evaporator 1, the second refrigeration evaporator 2, and three parallel branches at capillary 4 places form two node V1 and V2, be respectively arranged with the control valve that flows to for the control condensing agent at described two Nodes, and the break-make of these two control valves is controlled by control module, wherein, control valve by control node V1 place, can control condensing agent flows to the first refrigeration evaporator 1 or flows to another one node V2, control valve by control node V2 place, can control condensing agent flows to the second refrigeration evaporator 2 or flows to capillary 4, by changing the flow direction of condensing agent, and then form the combination of different refrigeration evaporator and refrigerating evaporator, thereby realize the control model of different control systems.
In the present embodiment, described two control valves preferably adopt the two-bit triplet magnetic valve to realize: the first magnetic valve 7 and the second magnetic valve 8, the import of described the first magnetic valve 7 is connected with condenser 6, two outlets connect respectively the import of the first refrigeration evaporator 1 and the second magnetic valve 8, and two outlets of described the second magnetic valve 8 connect respectively the second refrigeration evaporator 2 and capillary 4.The first magnetic valve 7 be connected magnetic valve 8 and be connected with control module respectively, accept control module it carried out break-make control.
Said control module can adopt computer board to realize that its control principle block diagram is referring to shown in Figure 2 in the present embodiment.Computer board H is connected with sensor T1, sensor T2, sensor T3 and sensor T4, wherein: sensor T1 is the refrigeration evaporator sensor, be used for measuring the temperature of refrigeration evaporator, sensor T2 is refrigerator temperature sensor, be used for measuring temperature of refrigerating chamber, sensor T3 is environment temperature sensor, be used for measures ambient temperature, and sensor T4 is freezer temperature sensor, be used for measuring freezer temperature, computer board H also is connected with compressor 5, the first magnetic valves 7, the second magnetic valve 8, and low temp compensating heater strip R.
This control system comprises two kinds of duties:
Duty 1, the single system duty, at this moment, control module is controlled the path conducting left of the first magnetic valve 7, downward path disconnects, the path conducting left of the second magnetic valve 8, downward path disconnects, and condensing agent flows to and is: compressor 5-condenser 6-the first magnetic valve 7-the second magnetic valve 8-the second refrigeration evaporator 2-refrigerating evaporator 3-compressor 5.
Control section: the computer board mode of operation is the single system pattern, and at this moment startup-shutdown is all controlled by refrigeration evaporator sensor T1; When sensor T3 environment temperature sensor detected temperatures is lower than 16 degree (or set steady temperature), low temp compensating heater strip R work, improving the Homes Using TV of refrigerator integral body, this pattern is fit to need not the situation of the saving electric energy of more frozen food.
Duty 2, the single system duty switches to the dual system duty, at this moment, condensing agent comprises two independently flow cycles: wherein one is the 2-1 pattern, control module is controlled the downward path conducting of the first magnetic valve 7, path left disconnects, and condensing agent flows to and is: compressor 5-condenser 6-the first magnetic valve 7-the first refrigeration evaporator 1-refrigerating evaporator 3-compressor 5.
An other flow cycle is the 2-2 pattern, control module is controlled the path conducting left of the first magnetic valve 7, downward path disconnects, the path conducting that the second magnetic valve 8 is downward, path left disconnects, at this moment, the flow direction of condensing agent is: compressor 5-condenser 6-the first magnetic valve 7-the second magnetic valve 8-capillary 4-refrigerating evaporator 3-compressor 5, the refrigerating chamber of refrigerating part need not refrigeration at this moment, refrigerating chamber needs refrigeration.Control section: the master control borad mode of operation is the dual system pattern; at this moment startup-shutdown is by sensor T2 refrigerator temperature sensor and sensor T4 freezer temperature sensor co-controlling; sensor T3 environment temperature sensor lost efficacy under this mode of operation; low temp compensating heater strip R does not work; sensor T1 refrigeration evaporator sensor only plays assistant protection function, does not participate in normal start-stop control.When sensor T2 refrigerator temperature sensor did not reach temperature, refrigerating part was pressed the 2-1 work pattern; When sensor T2 refrigerator temperature sensor reaches Burnout, and sensor R4 freezer temperature sensor is not when reaching Burnout, and this is by the 2-2 work pattern.
This pattern need to be fit to the situation of more frozen food; Larger refrigerating capacity can be realized, and freezing separate refrigeration can be realized.
In addition, between described condenser and the first magnetic valve, also be connected with dry filter pipe 11, between described compressor and condenser, also be connected with dew removing tube 12.
Embodiment two, present embodiment has provided another specific embodiment, referring to shown in Figure 3, freeze to refrigerating chamber separately in order to make refrigerator can close the refrigerating chamber refrigeration, to satisfy the little situation of the large freezing demand of refrigeration demand, described refrigerator also comprises the 3rd refrigeration evaporator 9 that is arranged in the refrigerating chamber, described the 3rd refrigeration evaporator 9 by the 3rd magnetic valve 10 with connect after condenser 6 and compressor 5 be in parallel, also be, be in parallel with the series arm of the first refrigeration evaporator 1 and refrigerating evaporator 3, equally also the series arm with the second refrigeration evaporator 2 and refrigerating evaporator 3 is in parallel, described the 3rd magnetic valve 10 is connected with control module, accepts the control of control module.
In the present embodiment, the import of described the first magnetic valve 7 is connected with condenser 6, two outlets connect respectively the import of the first refrigeration evaporator 1 and the second magnetic valve 8, two outlets of described the second magnetic valve 8 connect respectively the import of the second refrigeration evaporator 2 and the 3rd magnetic valve 10, and two outlets of described the 3rd magnetic valve 10 connect respectively the 3rd refrigeration evaporator 9 and capillary 4.Same, described the 3rd magnetic valve 10 is preferably the two-bit triplet magnetic valve.
In the present embodiment with embodiment one in mode of operation similar, comprise single system control and two kinds of control models of tw o system control, control module can adopt computer board to realize equally, its control principle block diagram is referring to shown in Figure 4, wherein, consistent among sensor T1-T4, the first magnetic valve 7, the second magnetic valve 8 and the embodiment one do not done at this and to be repeated to introduce, from different among the embodiment one be also to be connected with the 3rd magnetic valve 10.
This control system comprises two kinds of duties equally:
Duty 1, the single system duty, at this moment, control module is controlled the path conducting left of the first magnetic valve 7, downward path disconnects, the path conducting left of the second magnetic valve 8, downward path disconnects, and condensing agent flows to and is: compressor 5-condenser 6-the first magnetic valve 7-the second magnetic valve 8-the second refrigeration evaporator 2-refrigerating evaporator 3-compressor 5.
Control section: the computer board mode of operation is the single system pattern, and at this moment startup-shutdown is all controlled by refrigeration evaporator sensor T1; When sensor T3 environment temperature sensor detected temperatures is lower than 16 degree (or set steady temperature), low temp compensating heater strip R work, improving the Homes Using TV of refrigerator integral body, this pattern is fit to need not the situation of the saving electric energy of more frozen food.
Duty 2, the single system duty switches to the dual system duty, and at this moment, condensing agent comprises three independently flow cycles: wherein loop is the same with 2-1 pattern among the embodiment one, does not do at this and gives unnecessary details.
The second circuit theory is consistent with 2-2 pattern among the embodiment one, concrete control has a difference, for control module is controlled the path conducting left of the first magnetic valve 7, downward path disconnects, the path conducting left of the second magnetic valve 8, downward path disconnects, and the 3rd magnetic valve 10 path conducting left, downward path disconnects, at this moment, the flow direction of condensing agent is: compressor 5-condenser 6-the first magnetic valve 7-the second magnetic valve 8-the 3rd magnetic valve 10-capillary 4-refrigerating evaporator 3-compressor 5, and this moment, the refrigerating chamber of refrigerating part need not refrigeration, refrigerating chamber needs refrigeration.Control section is consistent with the 2-2 pattern control section among the embodiment one.
Same, this pattern need to be fit to the situation of more frozen food; Larger refrigerating capacity can be realized, and freezing separate refrigeration can be realized.
The 3rd but the loop is the refrigerating chamber separate refrigeration, control module is controlled the path conducting left of the first magnetic valve 7, downward path disconnects, the path conducting left of the second magnetic valve 8, downward path disconnects, and the downward path conducting of the 3rd magnetic valve 10, path left disconnects, at this moment, the flow direction of condensing agent is: compressor 5-condenser 6-the first magnetic valve 7-the second magnetic valve 8-the 3rd magnetic valve 10-the 3rd refrigeration evaporator 9-compressor 5, the refrigerating chamber of refrigerating part need not refrigeration at this moment, refrigerating chamber needs refrigeration.Control section only has sensor T1 control start-stop, and other sensors all do not play normal control action, may play booster action.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.

Claims (7)

1. total system refrigeration control refrigerator, comprise refrigerating chamber and refrigerating chamber, it is characterized in that, in described refrigerating chamber, be provided with the first refrigeration evaporator and the second refrigeration evaporator, in described refrigerating chamber, be provided with refrigerating evaporator, the first refrigeration evaporator, the second refrigeration evaporator, and the capillary three connects with refrigerating evaporator after being in parallel, and successively with compressor, condenser is connected and forms three separate refrigerant circulation loops, described the first refrigeration evaporator, the second refrigeration evaporator, and three parallel branches at capillary place form two nodes, described two Nodes are respectively arranged with the control valve that flows to for the control condensing agent, and control module switches the path of described two control valves.
2. refrigerator according to claim 1, it is characterized in that, described two control valves are the two-bit triplet magnetic valve: the first magnetic valve and the second magnetic valve, the import of described the first magnetic valve is connected with condenser, two outlets connect respectively the import of the first refrigeration evaporator and the second magnetic valve, and two outlets of described the second magnetic valve connect respectively the second refrigeration evaporator and capillary.
3. refrigerator according to claim 2, it is characterized in that, described refrigerator also comprises the 3rd refrigeration evaporator that is arranged in the refrigerating chamber, described the 3rd refrigeration evaporator by the 3rd magnetic valve with connect after condenser and compressor be in parallel, described the 3rd magnetic valve is connected with control module.
4. refrigerator according to claim 3, it is characterized in that, the import of described the first magnetic valve is connected with condenser, two outlets connect respectively the import of the first refrigeration evaporator and the second magnetic valve, two outlets of described the second magnetic valve connect respectively the import of the second refrigeration evaporator and the 3rd magnetic valve, and two outlets of described the 3rd magnetic valve connect respectively the 3rd refrigeration evaporator and capillary.
5. want 4 described refrigerators according to right, it is characterized in that, described the 3rd magnetic valve is the two-bit triplet magnetic valve.
6. the described refrigerator of each claim is characterized in that according to claim 2-4, also is connected with the dry filter pipe between described condenser and the first magnetic valve.
7. refrigerator according to claim 6 is characterized in that, also is connected with dew removing tube between described compressor and condenser.
CN 201220249132 2012-05-30 2012-05-30 Full-system refrigeration control refrigerator Expired - Lifetime CN202648303U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201220249132 CN202648303U (en) 2012-05-30 2012-05-30 Full-system refrigeration control refrigerator
PCT/CN2012/087520 WO2013177929A1 (en) 2012-05-30 2012-12-26 Full-system refrigeration control refrigerator

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CN104061750A (en) * 2013-03-22 2014-09-24 Lg电子株式会社 Method For Controlling Refrigerator
CN107289712A (en) * 2017-07-25 2017-10-24 南京创维家用电器有限公司 A kind of wind cooling refrigerator and its refrigeration system, refrigeration control method
CN110160309A (en) * 2019-05-28 2019-08-23 长虹美菱股份有限公司 A kind of refrigeration air duct for refrigerator system and its control method
CN111426126A (en) * 2020-03-31 2020-07-17 澳柯玛股份有限公司 Double-system air-cooling frequency conversion refrigerator and control method thereof
CN114352768A (en) * 2020-09-28 2022-04-15 青岛海尔电冰箱有限公司 Electric switching valve, refrigerating system and refrigerator
CN115468350A (en) * 2021-06-11 2022-12-13 海信容声(广东)冰箱有限公司 Refrigerator and ambient temperature calculation method thereof

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CN110657627A (en) * 2019-10-31 2020-01-07 江苏精英冷暖设备工程有限公司 Freezer variable flow economizer system
CN114608257A (en) * 2022-03-11 2022-06-10 长虹美菱股份有限公司 Refrigerating system of three-system refrigerator and control method

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DE4122165A1 (en) * 1991-07-04 1993-01-14 Danfoss As Two-temperature refrigerating plant for independent freezer and cooler - has a compressor, a condenser, two self-contained evaporators for different temperature compartments and a switch over valve structure
JP3527592B2 (en) * 1996-08-06 2004-05-17 松下冷機株式会社 Freezer refrigerator
CN1172134C (en) * 2003-03-27 2004-10-20 上海交通大学 By-pass double-circulation refrigerator with chill box having evaporator with variable evaporating area
CN2624143Y (en) * 2003-05-08 2004-07-07 海尔集团公司 Refrigeration cycle control device for refrigerator
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Publication number Priority date Publication date Assignee Title
CN104061750A (en) * 2013-03-22 2014-09-24 Lg电子株式会社 Method For Controlling Refrigerator
CN107289712A (en) * 2017-07-25 2017-10-24 南京创维家用电器有限公司 A kind of wind cooling refrigerator and its refrigeration system, refrigeration control method
CN110160309A (en) * 2019-05-28 2019-08-23 长虹美菱股份有限公司 A kind of refrigeration air duct for refrigerator system and its control method
CN111426126A (en) * 2020-03-31 2020-07-17 澳柯玛股份有限公司 Double-system air-cooling frequency conversion refrigerator and control method thereof
CN114352768A (en) * 2020-09-28 2022-04-15 青岛海尔电冰箱有限公司 Electric switching valve, refrigerating system and refrigerator
CN114352768B (en) * 2020-09-28 2024-01-05 青岛海尔电冰箱有限公司 Refrigerating system and refrigerator
CN115468350A (en) * 2021-06-11 2022-12-13 海信容声(广东)冰箱有限公司 Refrigerator and ambient temperature calculation method thereof

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