CN102767929A - Refrigerator and control method - Google Patents
Refrigerator and control method Download PDFInfo
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- CN102767929A CN102767929A CN2012101822659A CN201210182265A CN102767929A CN 102767929 A CN102767929 A CN 102767929A CN 2012101822659 A CN2012101822659 A CN 2012101822659A CN 201210182265 A CN201210182265 A CN 201210182265A CN 102767929 A CN102767929 A CN 102767929A
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- refrigeration evaporator
- magnetic valve
- refrigerating chamber
- bit triplet
- evaporator
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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
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2507—Flow-diverting valves
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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
- F25D29/00—Arrangement or mounting of control or safety devices
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a refrigerator and a control method. The refrigerator includes a refrigerating chamber and a frozen chamber, wherein a first refrigeration evaporator and a second refrigeration evaporator are arranged in the refrigerating chamber; a freezing evaporator is arranged in the frozen chamber; the first and the second refrigeration evaporators are connected in parallel and then connected in series with the freezing evaporator, and are connected between a condenser and a compressor through a two-position and three-way electromagnetic valve to form two mutually independent refrigerant circulation loops; and a control unit is used for switching the ways of the two-position and three-way electromagnetic valve. Through the adoption of the refrigerator provided by the invention, the refrigerating chamber can be switched into a microfreezing chamber as per requirements of users, thereby meeting the requirement of users for the frozen chamber in special case on the one hand, and needing no additionally arranged alternating temperature chamber as ice-melting of food in the microfreezing chamber costs little time on the other hand, and the refrigerator has a simple structure and is easy to realize.
Description
Technical field
The present invention relates to a kind of refrigerator, specifically, relate to the refrigerator and the control method of the changeable refrigerating chamber of a kind of refrigerating chamber.
Background technology
Mostly two refrigerators in the market are the single system temperature control, are refrigerating chambers above general, are refrigerating chamber below, between two the chamber by a cover refrigeration system control, temperature of refrigerating chamber generally by mechanical knob with the refrigerating chamber temperature control at the 0-10 degree, be mainly used in food fresh-keeping; Freezer temperature maintains below-18 degree, and article are carried out the long period freezer storage.At present consumer's custom such as the Spring Festival constant pitch use a large amount of frozen foods to satisfy the demand in red-letter day between the date, less to the refrigerating chamber demand; Daily like this refrigerating chamber space is obviously not enough, and it is limited to make that refrigerator uses, and can not satisfy consumer's user demand.
Tradition single system controlling temp type two refrigerators in use, also have following shortcoming: 1, temperature of refrigerating chamber can only be controlled at 0-10 degree scope, can not frozen food, storage life 3-5 days.2, freezing meat need be changed for a long time and just can cut in the refrigerating chamber below-18 degree, like this user's cooking inconvenience very.
The refrigerator that has at present to increase the reefer space of refrigerator, need carry out integrally-built change to refrigerator through setting up a temperature-changing chamber more accordingly, has increased the volume of refrigerator, and cost is increased.
Based on this; How to invent a kind of refrigerator, can refrigerating chamber be switching to refrigerating chamber, on the one hand satisfied the user under special circumstances to the demand of refrigerating chamber according to user's needs; Food in refrigerating chamber does not need to change ice for a long time on the one hand in addition, is the problem that the present invention mainly solves.
Summary of the invention
The present invention does not have freezing function in order to solve existing two cold compartment of refrigerator; And set up volume and the cost that temperature-changing chamber can increase refrigerator, and be difficult for the problem of realization, the refrigerator of the changeable one-tenth of a kind of refrigerating chamber refrigerating chamber is provided; Through different settings; Refrigerating chamber has between different refrigeration areas, need not to set up temperature-changing chamber, easy realization simple in structure.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme to be achieved:
A kind of refrigerator; Comprise refrigerating chamber and refrigerating chamber; In said refrigerating chamber, be provided with first refrigeration evaporator and second refrigeration evaporator, in said refrigerating chamber, be provided with refrigerating evaporator, connect with refrigerating evaporator after said first refrigeration evaporator and the second refrigeration evaporator parallel connection; And be connected two separate refrigerant circulation loops of formation between condenser and the compressor through the two-bit triplet magnetic valve, control module switches the path of said two-bit triplet magnetic valve.
Further, described refrigerator also comprises a unidirectional stop valve; The import of two-bit triplet magnetic valve is connected with described condenser; After connecting first capillary, an outlet of said two-bit triplet magnetic valve is connected with second refrigeration evaporator; The another one outlet is connected with the import of first refrigeration evaporator after connecting second capillary on the one hand, connects the import of second evaporimeter in addition on the one hand through described unidirectional stop valve.
Perhaps; Described refrigerator also comprises a unidirectional stop valve; The import of two-bit triplet magnetic valve is connected with described condenser; Be connected with second refrigeration evaporator after an outlet of described two-bit triplet magnetic valve connects first capillary, the another one outlet is connected with the import of second refrigeration evaporator after connecting second capillary on the one hand, connects the import of first evaporimeter in addition on the one hand through described unidirectional stop valve.
Wherein, described control module can be computer plate or mechanical switch.
A kind of controlling method for refrigerator may further comprise the steps:
(1), control module receives control command, and judges as if this order and carry out frozen state for the control refrigerating chamber that then execution in step (2) is carried out little state that freezes, then execution in step (3) as if this order for the control refrigerating chamber;
(2), two-bit triplet magnetic valve to the second refrigeration evaporator direction conducting; Two-bit triplet magnetic valve to the first refrigeration evaporator direction is broken off simultaneously; And return step (1), this moment, the refrigerant flow direction of refrigerant circulation loop was followed successively by two-bit triplet magnetic valve, second refrigeration evaporator, refrigerating evaporator, compressor, condenser;
(3), two-bit triplet magnetic valve to the first refrigeration evaporator and second refrigeration evaporator direction conducting simultaneously; And return step (1); This moment, the refrigerant flow direction of refrigerant circulation loop was: flow to first refrigeration evaporator and second refrigeration evaporator respectively through the two-bit triplet magnetic valve, converge then and flow into refrigerating evaporator, compressor, condenser successively.
Further, when refrigerating chamber is carried out the frozen state order, also comprise following substep in the step (2):
(21), detect refrigerating chamber temperature-sensitive pipe temperature, and judge when refrigerating chamber temperature-sensitive pipe temperature value arrives limit value the start-stop of control compressor;
(22), when compressor stops, testing environment temperature value, and judge when ambient temperature value reaches limit value that control low temp compensating heater strip is opened and carried out low temp compensating.
Further again, to carry out littlely when freezing status command at refrigerating chamber, step also comprises the step of closing the low temp compensating heater strip in (3).
Wherein, described control module is computer plate or mechanical switch.
Compared with prior art; Advantage of the present invention and good effect are: refrigerator of the present invention can be switching to refrigerating chamber with refrigerating chamber according to user's needs; On the one hand satisfied the user under special circumstances to the demand of refrigerating chamber; And need not to change the space structure of refrigerator, the food in refrigerating chamber does not need to change for a long time ice on the one hand in addition, uses to the user and brings great convenience.
After the detailed description in conjunction with the advantages embodiment of the present invention, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is a kind of embodiment systematic schematic diagram of refrigerator proposed by the invention;
Fig. 2 is other a kind of embodiment systematic schematic diagram of refrigerator proposed by the invention;
Fig. 3 is a kind of control principle figure of refrigerator proposed by the invention;
Fig. 4 is other a kind of control principle figure of refrigerator proposed by the invention;
Fig. 5 is a kind of control principle figure of refrigerator proposed by the invention;
Fig. 6 is other a kind of control principle figure of refrigerator proposed by the invention;
Fig. 7 is the third embodiment systematic schematic diagram of refrigerator proposed by the invention.
The specific embodiment
Do explanation in further detail below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment one; Referring to shown in Figure 1; A kind of refrigerator of present embodiment comprises refrigerating chamber and refrigerating chamber (not showing among Fig. 1), in said refrigerating chamber, is provided with first refrigeration evaporator 1 and second refrigeration evaporator 2; In said refrigerating chamber, be provided with refrigerating evaporator 3; Connecting with refrigerating evaporator 3 in said first refrigeration evaporator 1 and second refrigeration evaporator, 2 parallel connection backs, and is connected two separate refrigerant circulation loops of formation between condenser and the compressor through two-bit triplet magnetic valve 4, and control module (showing among Fig. 1) switches the path of said two-bit triplet magnetic valve 4.In the present embodiment, through any one of them employing in first refrigeration evaporator 1 and second refrigeration evaporator 2 being had the big refrigeration evaporator (similar refrigerating evaporator) of big refrigerating capacity, through the path of control two-bit triplet magnetic valve 4; And then the circulation cycle loop of cold-producing medium is selected in control; When refrigerant circulation loop during through the little refrigeration evaporator of refrigerating capacity, temperature of refrigerating chamber can be controlled at 0～10 ℃ of scope, has cold storage function; When refrigerant circulation loop during through the big refrigeration evaporator of refrigerating capacity; Temperature of refrigerating chamber can be controlled at-5～-10 ℃ of scopes, has little function of freezing, and this moment, refrigerating chamber changed refrigerating chamber into; Need not to increase the refrigerator volume, help practicing thrift cost.
In addition; In the present embodiment; The path that two-bit triplet magnetic valve 4 to second refrigeration evaporators 2 can also be set is for often opening; When the path blockade of two-bit triplet magnetic valve 4 to first refrigeration evaporators 1, this moment, the flow direction of cold-producing medium was followed successively by two-bit triplet magnetic valve 4, second refrigeration evaporator 2, refrigerating evaporator 3, compressor 6, condenser 5, and this moment, refrigerating chamber was in frozen state.When the path conducting of two-bit triplet magnetic valve 4 to first refrigeration evaporators 1; Cold-producing medium flows to first refrigeration evaporator 1 and second refrigeration evaporator 2 respectively at two-bit triplet magnetic valve 4 places; This moment, first refrigeration evaporator 1 and second refrigeration evaporator 2 can freeze simultaneously; Can temperature of refrigerating chamber be dragged down, need not one of them refrigeration evaporator is adopted big refrigerating capacity, can realize the little function of freezing of refrigerating chamber.
Described control module can be computer plate or mechanical switch, when control module is the computer plate, referring to shown in Figure 3, is the control principle figure of computer plate; Computer plate H is connected with refrigeration sensor T1, ring temperature sensor T2, two-bit triplet magnetic valve 4, compressor 6; And low temp compensating heater strip R, computer plate H is provided with switching key (not showing among Fig. 3), wherein refrigerates sensor T1 and is used to detect temperature of refrigerating chamber; Ring temperature sensor T2 is used for the testing environment temperature, and when refrigerating chamber was switched to frozen state, refrigeration sensor T1 was sent to computer plate H with the temperature of refrigerating chamber that detects; By the start-stop of computer plate H control compressor 6, too low in order to prevent environment temperature, cause compressor 6 not start; In the time of can not satisfying the refrigeration needs of refrigerating chamber, ring temperature sensor T2 testing environment temperature, and be sent to computer plate H; If environment temperature is when being lower than limit value (being generally 16 ℃), computer plate H control low temp compensating heater strip is opened, and then can control and make compressor 6 start.It is little when freezing state when refrigerating chamber is switched to; This moment, the computer plate can switch the control parameter of an other cover control refrigeration sensor T1; Close the low temp compensating heater strip simultaneously; And the path conducting of control two-bit triplet magnetic valve 4 to second capillaries 9 is worked first refrigeration evaporator 1 and second refrigeration evaporator 2 simultaneously.When described control module is electro-mechanical switches, referring to shown in Figure 4, through a temperature controller D1 is set; With shown in temperature controller D1 be parallel with one group of coupled switch K1, K2, K3 respectively; This parallel circuit is connected with compressor, is in series with low temp compensating heater strip R1 and magnetosensitive K switch 4 on the branch road of K1 place, is in series with temperature controller temperature-sensitive pipe heater strip R2 on the branch road of K2 place; And be in series with two-bit triplet magnetic valve 4 on the branch road of K3 place, and this series arm is parallelly connected with compressor 6.The on off operating mode of the on off operating mode of coupled switch K1 and K2 and K3 is opposite, when the K1 closure, when K2, K3 disconnection; This moment, cold compartment of refrigerator was in frozen state, and temperature controller D1 controls break-make voluntarily according to sense temperature, and then the break-make of control compressor 6; Magnetosensitive K switch 4 is closed when being lower than certain temperature limit (such as 16 ℃), and then the branch road conducting of K1 place, low temp compensating heater strip R1 work; Heat, to prevent that ambient temperature is low excessively, refrigerating chamber does not reach cryogenic temperature.When the K1 disconnection, when K2, K3 conducting, temperature controller temperature-sensitive pipe heater strip R2 work; Low temp compensating heater strip R1 place branch road breaks off, and temperature controller temperature-sensitive pipe heater strip R2 is used to the temperature controller heating, through adopting the method for temperature-sensitive pipe heater strip temperature-compensating; Make temperature controller D1 move, compressor 6 work.
Embodiment two; Present embodiment has provided other a kind of specific embodiment; Referring to shown in Figure 2; Described refrigerator also comprises a unidirectional stop valve 7, and the import of two-bit triplet magnetic valve 4 is connected with described condenser 5, and an outlet of said two-bit triplet magnetic valve 4 connects first capillary, 8 backs and is connected with second refrigeration evaporator 2; The another one outlet connects second capillary, 9 backs and is connected with the import of first refrigeration evaporator 1 on the one hand, connects the import of second evaporimeter 2 in addition on the one hand through described unidirectional stop valve 7.
In the present embodiment,, make the flow of cold-producing medium be more prone to control through a unidirectional stop valve 7 is set; And preventing to flow to back flow of refrigerant to the first refrigeration evaporator 1 of second refrigeration evaporator 2, control module switches the path of said two-bit triplet magnetic valve 4, at this moment; Two-bit triplet magnetic valve 4 to first capillaries 8 and to two paths of second capillary 9 can only conducting one tunnel under a kind of state; Conducting simultaneously or close simultaneously, therefore, when the path conducting of two-bit triplet magnetic valve 4 to first capillaries 8; Also be; 2 conductings of two-bit triplet magnetic valve 4 to second refrigeration evaporators, this moment, the flow direction of cold-producing medium was followed successively by two-bit triplet magnetic valve 4, first capillary 8, second refrigeration evaporator 2, refrigerating evaporator 3, compressor 6, condenser 5, and this moment, refrigerating chamber was in frozen state.When the path conducting of two-bit triplet magnetic valve 4 to second capillaries 9; Control unidirectional stop valve 7 conductings simultaneously; This moment, two-bit triplet magnetic valve 4 to first capillaries 8 were closed; Cold-producing medium is divided into two-way after through second capillary 9, and one the tunnel flows to second refrigeration evaporator 2, other a road through unidirectional stop valve 7 flows to first refrigeration evaporator 1; Also promptly this moment first refrigeration evaporator 1 with second refrigeration evaporator, 2 parallel operations, need the switching low temperature functional that big refrigeration evaporator could be realized with increasing that first a little refrigeration evaporator 1 realizes.
Need to prove that described control module can be computer plate or mechanical switch, when control module is the computer plate, referring to shown in Figure 6; Be the control principle figure of computer plate, computer plate H is connected with refrigeration sensor T1, ring temperature sensor T2; Two-bit triplet magnetic valve 4, compressor 6, unidirectional stop valve 7; And low temp compensating heater strip R, computer plate H is provided with switching key (not showing among Fig. 6), wherein refrigerates sensor T1 and is used to detect temperature of refrigerating chamber; Ring temperature sensor T2 is used for the testing environment temperature, and when refrigerating chamber was switched to frozen state, refrigeration sensor T1 was sent to computer plate H with the temperature of refrigerating chamber that detects; By the start-stop of computer plate H control compressor 6, too low in order to prevent environment temperature, cause compressor 6 not start; In the time of can not satisfying the refrigeration needs of refrigerating chamber, ring temperature sensor T2 testing environment temperature, and be sent to computer plate H; If environment temperature is when being lower than limit value (being generally 16 ℃), computer plate H control low temp compensating heater strip is opened, and then can control and make compressor 6 start.It is little when freezing state when refrigerating chamber is switched to; This moment, the computer plate can switch the control parameter of an other cover control refrigeration sensor T1; Close the low temp compensating heater strip simultaneously; And the path conducting of control two-bit triplet magnetic valve 4 to second capillaries 9 is worked first refrigeration evaporator 1 and second refrigeration evaporator 2 simultaneously.
Embodiment three, and the system architecture of present embodiment is identical with embodiment two, referring to shown in Figure 2; Concrete system principle is not done at this and is given unnecessary details, and different is that the present embodiment control module adopts mechanical switch, and each components and parts title can be with reference to the components and parts title among embodiment one Fig. 4; When also comprising unidirectional stop valve 7 in the system, referring to shown in Figure 5, when refrigerating chamber is switched to frozen state; K3 breaks off, and unidirectional stop valve 7 ends, to prevent the backflow of cold-producing medium; Little when freezing state when refrigerating chamber is switched to, 4 conductings of two-bit triplet magnetic valve and unidirectional stop valve 7 conductings, and then two-bit triplet magnetic valve 4 to first capillaries 8 path blockades; Cold-producing medium is through second capillary 9; Be divided into two-way then, flow to first refrigeration evaporator 1 respectively and flow to second refrigeration evaporator 2, first refrigeration evaporator 1 and second refrigeration evaporator 2 are worked simultaneously through unidirectional stop valve 7.
Embodiment four; Present embodiment has provided the third specific embodiment of refrigerator; Referring to shown in Figure 7; Described refrigerator also comprises a unidirectional stop valve 7, and the import of two-bit triplet magnetic valve 4 is connected with described condenser 5, and an outlet of described two-bit triplet magnetic valve 4 connects first capillary, 8 backs and is connected with second refrigeration evaporator 2; The another one outlet connects second capillary, 9 backs and is connected with the import of second refrigeration evaporator 2 on the one hand, connects the import of first evaporimeter 1 in addition on the one hand through described unidirectional stop valve 7.
In the present embodiment,, make the flow of cold-producing medium be more prone to control through a unidirectional stop valve 7 is set; And preventing to flow to back flow of refrigerant to the first refrigeration evaporator 1 of second refrigeration evaporator 2, control module switches the path of said two-bit triplet magnetic valve 4, at this moment; Two-bit triplet magnetic valve 4 to first capillaries 8 and to two paths of second capillary 9 can only conducting one tunnel under a kind of state; Conducting simultaneously or close simultaneously, therefore, when the path conducting of two-bit triplet magnetic valve 4 to first capillaries 8; Also be; 2 conductings of two-bit triplet magnetic valve 4 to second refrigeration evaporators, this moment, the flow direction of cold-producing medium was followed successively by two-bit triplet magnetic valve 4, first capillary 8, second refrigeration evaporator 2, refrigerating evaporator 3, compressor 6, condenser 5, and this moment, refrigerating chamber was in frozen state.When the path conducting of two-bit triplet magnetic valve 4 to second capillaries 9; Control unidirectional stop valve 7 conductings simultaneously; This moment, two-bit triplet magnetic valve 4 to first capillaries 8 were closed; Cold-producing medium is divided into two-way after through second capillary 9, and one the road flows to second refrigeration evaporator 2, other a tunnel flows to first refrigeration evaporator 1 through unidirectional stop valve 7; Also promptly this moment first refrigeration evaporator 1 with second refrigeration evaporator, 2 parallel operations, need the switching low temperature functional that big refrigeration evaporator could be realized with increasing that first a little refrigeration evaporator 1 realizes.
Embodiment five, and based on the refrigerator of record among the embodiment one to embodiment four, present embodiment provides a kind of controlling method for refrigerator, may further comprise the steps:
S1, control module receive control command, and judge as if this order and carry out frozen state for the control refrigerating chamber, and then execution in step S2 carries out little state that freezes, then execution in step S3 as if this order for the control refrigerating chamber;
S2, the conducting of two-bit triplet magnetic valve to the second refrigeration evaporator direction; Two-bit triplet magnetic valve to the first refrigeration evaporator direction is broken off simultaneously; And return step S1, this moment, the refrigerant flow direction of refrigerant circulation loop was followed successively by two-bit triplet magnetic valve, second refrigeration evaporator, refrigerating evaporator, compressor, condenser;
The conducting simultaneously of S3, two-bit triplet magnetic valve to the first refrigeration evaporator and the second refrigeration evaporator direction; And return step S1; This moment, the refrigerant flow direction of refrigerant circulation loop was: flow to first refrigeration evaporator and second refrigeration evaporator respectively through the two-bit triplet magnetic valve, converge then and flow into refrigerating evaporator, compressor, condenser successively.
Need to prove, if in the system perhaps between the magnetic valve 3 and first refrigeration evaporator 1, also being provided with words capillaceous between magnetic valve 3 and second refrigeration evaporator 2, must pass through corresponding capillary during the cold-producing medium circulate, specifically do not do and give unnecessary details.
Further, when refrigerating chamber is carried out the frozen state order, also comprise following substep among the step S2:
S21, detection refrigerating chamber temperature-sensitive pipe temperature, and judge when refrigerating chamber temperature-sensitive pipe temperature value arrives limit value the start-stop of control compressor;
S22, when compressor stops, testing environment temperature value, and judge when ambient temperature value reaches limit value that control low temp compensating heater strip is opened and carried out low temp compensating.
Further again, carry out littlely when freezing status command at refrigerating chamber, also comprise the step of closing the low temp compensating heater strip among the step S3.
Certainly; Above-mentioned explanation is not to be limitation of the present invention; The present invention also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (8)
1. refrigerator; Comprise refrigerating chamber and refrigerating chamber; It is characterized in that; In said refrigerating chamber, be provided with first refrigeration evaporator and second refrigeration evaporator, in said refrigerating chamber, be provided with refrigerating evaporator, connect with refrigerating evaporator after said first refrigeration evaporator and the second refrigeration evaporator parallel connection; And be connected two separate refrigerant circulation loops of formation between condenser and the compressor through the two-bit triplet magnetic valve, control module switches the path of said two-bit triplet magnetic valve.
2. refrigerator according to claim 1 is characterized in that, also comprises a unidirectional stop valve; The import of two-bit triplet magnetic valve is connected with described condenser; After connecting first capillary, an outlet of said two-bit triplet magnetic valve is connected with second refrigeration evaporator; The another one outlet is connected with the import of first refrigeration evaporator after connecting second capillary on the one hand, connects the import of second evaporimeter in addition on the one hand through described unidirectional stop valve.
3. refrigerator according to claim 1; It is characterized in that; Also comprise a unidirectional stop valve, the import of two-bit triplet magnetic valve is connected with described condenser, is connected with second refrigeration evaporator after an outlet of described two-bit triplet magnetic valve connects first capillary; The another one outlet is connected with the import of second refrigeration evaporator after connecting second capillary on the one hand, connects the import of first evaporimeter in addition on the one hand through described unidirectional stop valve.
4. according to the described refrigerator of each claim of claim 1-3, it is characterized in that described control module is computer plate or mechanical switch.
5. a controlling method for refrigerator is characterized in that, may further comprise the steps:
(1), control module receives control command, and judges as if this order and carry out frozen state for the control refrigerating chamber that then execution in step (2) is carried out little state that freezes, then execution in step (3) as if this order for the control refrigerating chamber;
(2), two-bit triplet magnetic valve to the second refrigeration evaporator direction conducting; Two-bit triplet magnetic valve to the first refrigeration evaporator direction is broken off simultaneously; And return step (1), this moment, the refrigerant flow direction of refrigerant circulation loop was followed successively by two-bit triplet magnetic valve, second refrigeration evaporator, refrigerating evaporator, compressor, condenser;
(3), two-bit triplet magnetic valve to the first refrigeration evaporator and second refrigeration evaporator direction conducting simultaneously; And return step (1); This moment, the refrigerant flow direction of refrigerant circulation loop was: flow to first refrigeration evaporator and second refrigeration evaporator respectively through the two-bit triplet magnetic valve, converge then and flow into refrigerating evaporator, compressor, condenser successively.
6. controlling method for refrigerator according to claim 5 is characterized in that, also comprises following substep in the step (2):
(21), detect refrigerating chamber temperature-sensitive pipe temperature, and judge when refrigerating chamber temperature-sensitive pipe temperature value arrives limit value the start-stop of control compressor;
(22), when compressor stops, testing environment temperature value, and judge when ambient temperature value reaches limit value that control low temp compensating heater strip is opened and carried out low temp compensating.
7. controlling method for refrigerator according to claim 5 is characterized in that, step also comprises the step of closing the low temp compensating heater strip in (3).
8. according to the described controlling method for refrigerator of each claim of claim 5-7, it is characterized in that described control module is computer plate or mechanical switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210182265.9A CN102767929B (en) | 2012-06-05 | 2012-06-05 | A kind of refrigerator and control method |
| PCT/CN2012/087498 WO2013181916A1 (en) | 2012-06-05 | 2012-12-26 | Refrigerator and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210182265.9A CN102767929B (en) | 2012-06-05 | 2012-06-05 | A kind of refrigerator and control method |
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| CN102767929A true CN102767929A (en) | 2012-11-07 |
| CN102767929B CN102767929B (en) | 2017-04-05 |
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| CN201210182265.9A Active CN102767929B (en) | 2012-06-05 | 2012-06-05 | A kind of refrigerator and control method |
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| WO (1) | WO2013181916A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013181916A1 (en) * | 2012-06-05 | 2013-12-12 | 海尔集团公司 | Refrigerator and control method |
| CN103307850A (en) * | 2013-07-05 | 2013-09-18 | 合肥美的电冰箱有限公司 | Start control method of electronic refrigerator and electronic refrigerator |
| CN104424705A (en) * | 2013-08-28 | 2015-03-18 | 富士电机株式会社 | Vending machine |
| CN104501442A (en) * | 2014-12-22 | 2015-04-08 | 合肥美的电冰箱有限公司 | Refrigerating system and refrigerating device with same |
| CN104501442B (en) * | 2014-12-22 | 2017-03-22 | 合肥美的电冰箱有限公司 | Refrigerating system and refrigerating device with same |
| CN107883599A (en) * | 2017-05-23 | 2018-04-06 | 中山市尊品电器有限公司 | Independent control multi-temp-region Intelligent refrigeration thermostatic equipment |
| WO2020248183A1 (en) * | 2019-06-13 | 2020-12-17 | 合肥美的电冰箱有限公司 | Refrigerator calibration method and system, and refrigerator |
| CN112730277A (en) * | 2019-10-28 | 2021-04-30 | 佳能医疗系统株式会社 | Automatic analyzer and reagent library thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013181916A1 (en) | 2013-12-12 |
| CN102767929B (en) | 2017-04-05 |
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