CN105135788A - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN105135788A CN105135788A CN201510618085.4A CN201510618085A CN105135788A CN 105135788 A CN105135788 A CN 105135788A CN 201510618085 A CN201510618085 A CN 201510618085A CN 105135788 A CN105135788 A CN 105135788A
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Abstract
The invention provides a refrigerator and a control method thereof. The refrigerator comprises a compressor, a condenser, a first liquid storage tank, a shunting device, a first throttling device, a cold storage evaporator, a second throttling device, a refrigeration evaporator and a second liquid storage tank, wherein an inlet of the condenser is communicated with an exhaust port of the compressor, and an inlet of the first liquid storage tank is communicated with an outlet of the condenser; an inlet of the shunting device is communicated with an outlet of the first liquid storage tank, an outlet of the shunting device is communicated with the first throttling device and the second throttling device respectively, the first throttling device is communicated with the cold storage evaporator, the second throttling device is communicated with the refrigeration evaporator, and the second liquid storage tank is communicated with the refrigeration evaporator and the cold storage evaporator respectively. According to the refrigerator, the first liquid storage tank is added between the condenser and the shunting device, so that sufficient refrigerants are provided when cold storage and refrigeration are operated simultaneously, the condition of insufficient liquid supply during simultaneous operation of cold storage and refrigeration is avoided, the cold storage and refrigeration effects of a product are improved, and the use demand of a client is met.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular to a kind of refrigerator and control method thereof.
Background technology
At present, existing refrigerator Dual-evaporator refrigeration system, comprise: compressor, condenser, device for drying and filtering, triple valve, refrigeration capillary, freezing capillary, refrigeration evaporator, refrigerating evaporator and fluid reservoir, due to refrigeration freezing isolated operation or refrigeration and freezing run simultaneously time, required refrigerant flow is different, easily cause refrigeration and freezing operation simultaneously to cause the feed flow of cold-producing medium not enough, thus affect refrigeration and the refrigerating effect of refrigerator, can not meet the user demand of client.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, when one object of the present invention is to provide a kind of refrigerating chamber and refrigerating chamber to run simultaneously, cold medium flux is sufficient, and refrigeration and the good refrigerator of refrigerating effect.
Another object of the present invention is to provide a kind of control method for above-mentioned refrigerator.
In view of this, the embodiment of first aspect present invention provides a kind of refrigerator, comprising: compressor, and described compressor has exhaust outlet and gas returning port; Condenser, the entrance of described condenser is connected with described exhaust outlet, the first fluid reservoir, and the entrance of described first fluid reservoir is connected with the outlet of described condenser; Part flow arrangement, the entrance of described part flow arrangement is connected with the outlet of described first fluid reservoir; First throttle device, the entrance of described first throttle device is communicated with the first of described part flow arrangement; Refrigeration evaporator, the entrance of described refrigeration evaporator and the outlet of described first throttle device; Second throttling arrangement, the entrance of described second throttling arrangement is communicated with second mouthful of described part flow arrangement; Refrigerating evaporator, the entrance of described refrigerating evaporator is connected with the outlet of described second throttling arrangement; With the second fluid reservoir, the entrance of described second fluid reservoir is connected with the outlet of described refrigeration evaporator with the outlet of described refrigerating evaporator respectively, and the outlet of described second fluid reservoir is connected with described gas returning port.
Refrigerator provided by the invention, the entrance of the first fluid reservoir is connected with the outlet of condenser, the entrance of part flow arrangement is connected with the outlet of the first fluid reservoir, the first fluid reservoir is added between condenser and part flow arrangement, to realize providing enough refrigerants to when refrigeration and freezing operation simultaneously, avoid the situation generation of refrigeration and freezing feed flow deficiency when simultaneously running, improve refrigeration and the refrigerating effect of product, meet the user demand of client.
Specifically, existing refrigerator Dual-evaporator refrigeration system, comprise: compressor, condenser, device for drying and filtering, triple valve, refrigeration capillary, freezing capillary, refrigeration evaporator, refrigerating evaporator and fluid reservoir, due to refrigeration freezing isolated operation or refrigeration and freezing run simultaneously time, required refrigerant flow is different, refrigeration and freezing operation simultaneously is easily caused to cause the feed flow of cold-producing medium not enough, thus affect refrigeration and the refrigerating effect of refrigerator, can not meet the user demand of client, and refrigerator provided by the invention, the entrance of the first fluid reservoir is connected with the outlet of condenser, the entrance of part flow arrangement is connected with the outlet of the first fluid reservoir, the first fluid reservoir is added between condenser and part flow arrangement, on the one hand, when refrigerating chamber or refrigerating chamber isolated operation, when meeting instructions for use, the refrigerant of a part is stored in first fluid reservoir, on the other hand, make when refrigerating chamber and refrigerating chamber run simultaneously, be stored in refrigerant in the first fluid reservoir and also participate in refrigeration, to realize providing enough refrigerants to when refrigeration and freezing operation simultaneously, avoid the situation generation of refrigeration and freezing feed flow deficiency when simultaneously running, improve refrigeration and the refrigerating effect of product, meet the user demand of client.
In addition, the refrigerator in above-described embodiment provided by the invention can also have following additional technical feature:
According to one embodiment of present invention, described refrigerator also comprises: the first temperature sensor, and described first temperature sensor is arranged in the refrigerating chamber of described refrigerator, for detecting the temperature of refrigerating chamber; Second temperature sensor, described second temperature sensor is arranged in the refrigerating chamber of described refrigerator, for detecting the temperature of refrigerating chamber; And control device, described control device is connected with described part flow arrangement, described first temperature sensor and described second temperature sensor respectively, described control device, according to the temperature of the temperature of described refrigerating chamber and described refrigerating chamber, controls cut out or the unlatching of described first or described second mouthful.
In this embodiment, the freezer temperature that the temperature of the refrigerating chamber that control device detects according to the first temperature sensor and the second temperature sensor detect controls the first of part flow arrangement or the closedown of second mouthful or unlatching, realize refrigeration and freezing isolated operation, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
According to one embodiment of present invention, described refrigerator also comprises: the first timer, and described first timer is arranged on described first throttle device place, flows through the time of described first throttle device for detecting refrigerant; With
Second timer, described second timer is arranged on described second throttling arrangement place, flows through the time of described second throttling arrangement for detecting refrigerant; Wherein, described first timer is all connected with described control device with described second timer, described control device flows through according to refrigerant the time that time of described first throttle device and refrigerant flow through described second throttling arrangement, controls closedown or the unlatching of described first or described second mouthful.
In this embodiment, control device is according to the time of the time of the first timer record and the first timer record, control the first of part flow arrangement or the closedown of second mouthful or unlatching, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
According to one embodiment of present invention, described control device comprises: processing module, the time that described processing module receives described temperature of refrigerating chamber, described freezer temperature, refrigerant flow through described first throttle device and refrigerant flow through the time of described second throttling arrangement, and described temperature of refrigerating chamber, described freezer temperature, refrigerant are flow through the time that time of described first throttle device and refrigerant flow through described second throttling arrangement and be converted into the first temperature value, the second temperature value, very first time value and the second time value; And computing module, described computing module is connected with described processing module and described part flow arrangement respectively, described computing module receives described first temperature value, the second temperature value, very first time value and the second time value, described first temperature value and the first preset temperature range comparison, the second temperature value and the second preset temperature range comparison, very first time value and comparison the first time rating and the second time value and comparison the second time rating are obtained comparison result, and controls closedown or the unlatching of described first or described second mouthful according to comparison result.
In this embodiment, by setting the first preset temperature range, second temperature preset range, first time rating and the second time rating, by the first temperature value and the first preset temperature range comparison, second temperature value and the second preset temperature range comparison, very first time value and comparison the first time rating and the second time value and comparison the second time rating obtain comparison result, and closedown or the unlatching of first or second mouthful is controlled according to comparison result, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
According to one embodiment of present invention, described part flow arrangement is triple valve.
In this embodiment, the structural design of triple valve is simple, durable, cost is low, effectively control the flow direction of cold-producing medium, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, make the refrigerating chamber of refrigerator and refrigerating chamber all be in best refrigerating state, save energy consumption, improve the comfort of product.
According to one embodiment of present invention, described part flow arrangement comprises: the first magnetic valve, and the entrance of described first magnetic valve is connected with the outlet of described first fluid reservoir, and outlet is connected with the entrance of described first throttle device; With the second magnetic valve, the entrance of described second magnetic valve is connected with the outlet of described first fluid reservoir, and outlet is connected with the entrance of described second throttling arrangement; Wherein, the outlet of described first magnetic valve is first, and the outlet of described second magnetic valve is second mouthful.
In this embodiment, by the combination of the first magnetic valve and the second magnetic valve, effectively control the flow direction of cold-producing medium, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
According to one embodiment of present invention, device for drying and filtering is provided with between described condenser and described first fluid reservoir.
In this embodiment, device for drying and filtering is arranged between condenser and the first fluid reservoir, moisture content residual in absorptive condenser on the one hand, prevent that ice blocks up, reduce moisture content to the corrosion of refrigeration system, improve the reliability of product, on the other hand, device for drying and filtering has filtered out the foreign material in condenser, and the situation avoiding foreign material blocking throttling arrangement and damage compressor occurs, and improves the reliability of product.
The embodiment of second aspect present invention provides a kind of control method, for refrigerator described in above-mentioned any one embodiment, comprising:
Refrigeration detecting step, the temperature of detection refrigerating chamber and refrigerant flow through the time of described first throttle device, and send the first temperature value and very first time value;
Refrigeration determining step, sends refrigeration instruction according to described first temperature value or very first time value;
Refrigeration performs step, controls closedown or the unlatching of the first of the part flow arrangement of described refrigerator according to refrigeration instruction;
Freezing detecting step, the temperature of detection refrigerating chamber and refrigerant flow through the time of described second throttling arrangement, and send the second temperature value and the second time value;
Freezing determining step, sends freezing instruction according to described second temperature value or the second time value; Freezing execution step, controls closedown or the unlatching of second mouthful of the part flow arrangement of described refrigerator according to freezing instruction.
The control method that the embodiment of second aspect present invention provides, according to the first temperature value, second temperature value, very first time value and the second time value control first of part flow arrangement or the closedown of second mouthful or unlatching, realize refrigeration and freezing isolated operation, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
According to one embodiment of present invention, perform in step in refrigeration, when the first temperature value is less than or equal to the first preset temperature range, or when the very first time, value was more than or equal to for the first time rating, described first is closed; When the first temperature value is more than or equal to the first preset temperature range, described first is opened.
In this embodiment, when the first temperature value is less than or equal to the first preset temperature range, or when the very first time, value was more than or equal to for the first time rating, part flow arrangement first is closed, and refrigerating chamber does not freeze; When the first temperature value is more than or equal to the first preset temperature range, part flow arrangement first is opened, and refrigeration chamber, to realize the Time-sharing control of refrigeration for refrigerator, thus makes refrigeration and freezing function reach optimum state, saves the energy, improves the comfort of product.
According to one embodiment of present invention, when the second temperature value is less than or equal to the second preset temperature range, or, when the second time value was more than or equal to for the second time rating, described second mouthful of closedown; When the second temperature value is more than or equal to the second preset temperature range, described second mouthful of unlatching.
In this embodiment, when the second temperature value is less than or equal to the second preset temperature range, or, when the second time value was more than or equal to for the second time rating, part flow arrangement second mouthful closedown, refrigerating chamber does not freeze; When the second temperature value is more than or equal to the second preset temperature range, part flow arrangement second mouthful unlatching, refrigerating chamber freezes, and to realize the Time-sharing control of refrigeration for refrigerator, thus makes refrigeration and freezing function reach optimum state, saves the energy, improves the comfort of product.
According to one embodiment of present invention, perform between step and freezing detecting step in refrigeration and also comprise: common detecting step, detect and whether have refrigerant to flow through first throttle device and the second throttling arrangement, concurrently send detection signal; Common determining step, sends execution instruction according to detection signal; Common execution step, controls closedown or the unlatching of second mouthful according to execution instruction.
In this embodiment, by the detection to first throttle device and the second throttling arrangement refrigerant, make refrigerator realize refrigeration and freezing while run, guarantee refrigerator refrigeration.
According to one embodiment of present invention, perform in step common, when refrigerant flows through first throttle device and the second throttling arrangement simultaneously, and when while of refrigerant, flushing time is more than or equal to the 3rd preset value, second mouthful of closedown.
In this embodiment, when refrigerant flows through first throttle device and the second throttling arrangement simultaneously, and when while of refrigerant, flushing time is more than or equal to the 3rd preset value, throttling arrangement second mouthful closedown, make refrigeration and freezing reach certain hour after, realize refrigeration and freezing effect, thus cold storage function closed, realize the control to refrigeration, economize energy.
Additional aspect of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of refrigerator of the present invention;
Fig. 2 is the schematic flow sheet of an embodiment of the control method of refrigerator of the present invention;
Fig. 3 is the schematic flow sheet of another embodiment of the control method of refrigerator of the present invention;
Fig. 4 is the judgement schematic diagram of the control method of refrigerator of the present invention.
Wherein, the corresponding relation in Fig. 1 between Reference numeral and component names is:
1 compressor, 11 exhaust outlets, 12 gas returning ports, 2 condensers, 3 devices for drying and filtering, 4 first fluid reservoirs, 5 first throttle devices, 6 refrigeration evaporators, 7 triple valves, 71 firsts, 72 second mouthfuls, 8 second throttling arrangements, 9 refrigerating evaporators, 10 second fluid reservoirs, 100 refrigerators;
Arrow points is the flow direction of refrigerant.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Referring to Fig. 1, described according to some embodiments of the invention refrigerator is described.
As shown in Figure 1, the refrigerator 100 that embodiments of the invention provide, comprising: compressor 1, condenser 2, first fluid reservoir 4, part flow arrangement, first throttle device 5, refrigeration evaporator 6, second throttling arrangement 8, refrigerating evaporator 9 and the second fluid reservoir 10.
Particularly, compressor 1 has exhaust outlet 11 and gas returning port 12; The entrance of condenser 2 is connected with exhaust outlet 11, and the entrance of the first fluid reservoir 4 is connected with the outlet of condenser 2; The entrance of part flow arrangement is connected with the outlet of the first fluid reservoir 4; The entrance of first throttle device 5 is communicated with the first 71 of part flow arrangement; The entrance of refrigeration evaporator 6 and the outlet of first throttle device 5; The entrance of the second throttling arrangement 8 is communicated with second mouthful 72 of part flow arrangement; The entrance of refrigerating evaporator 9 is connected with the outlet of the second throttling arrangement 8; The entrance of the second fluid reservoir 10 is connected with the outlet of refrigeration evaporator 6 with the outlet of refrigerating evaporator 9 respectively, and the outlet of the second fluid reservoir 10 is connected with gas returning port 12.
Refrigerator 100 provided by the invention, the entrance of the first fluid reservoir 4 is connected with the outlet of condenser 2, the entrance of part flow arrangement is connected with the outlet of the first fluid reservoir 4, the first fluid reservoir 4 is added between condenser 2 and part flow arrangement, to realize providing enough refrigerants to when refrigeration and freezing operation simultaneously, avoid the situation generation of refrigeration and freezing feed flow deficiency when simultaneously running, improve refrigeration and the refrigerating effect of product, meet the user demand of client.
In one embodiment of the invention, refrigerator 100 also comprises: the first temperature sensor (not shown), the second temperature sensor (not shown) and control device (not shown).
Particularly, the first temperature sensor is arranged in the refrigerating chamber of refrigerator 100, for detecting the temperature of refrigerating chamber; Second temperature sensor is arranged in the refrigerating chamber of refrigerator 100, for detecting the temperature of refrigerating chamber; Control device is connected with part flow arrangement, the first temperature sensor and the second temperature sensor respectively, the temperature of control device according to refrigerating chamber and the temperature of refrigerating chamber, controls closedown or the unlatching of first 71 or second mouthful 72.
In this embodiment, the freezer temperature that the temperature of the refrigerating chamber that control device detects according to the first temperature sensor and the second temperature sensor detect controls the first 71 of part flow arrangement or the closedown of second mouthful 72 or unlatching, realize refrigeration and freezing isolated operation, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
In one embodiment of the invention, refrigerator 100 also comprises: the first timer (not shown) and the second timer (not shown).
Particularly, the first timer is arranged on first throttle device 5 place, flows through the time of first throttle device 5 for detecting refrigerant; Second timer is arranged on the second throttling arrangement 8 place, flows through the time of the second throttling arrangement 8 for detecting refrigerant; Wherein, the first timer is all connected with control device with the second timer, and control device flows through according to refrigerant the time that time of first throttle device 5 and refrigerant flow through the second throttling arrangement 8, controls closedown or the unlatching of first 71 or second mouthful 72.
In this embodiment, control device is according to the time of the time of the first timer record and the first timer record, control the first 71 of part flow arrangement or the closedown of second mouthful 72 or unlatching, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
In one embodiment of the invention, control device comprises: processing module and computing module.
Particularly, the time that processing module receives temperature of refrigerating chamber, freezer temperature, refrigerant flow through first throttle device 5 and refrigerant flow through the time of the second throttling arrangement 8, and temperature of refrigerating chamber, freezer temperature, refrigerant are flow through the time that time of first throttle device 5 and refrigerant flow through the second throttling arrangement 8 and be converted into the first temperature value, the second temperature value, very first time value and the second time value, computing module is connected with processing module and part flow arrangement respectively, computing module receives the first temperature value, second temperature value, very first time value and the second time value, by the first temperature value and the first preset temperature range comparison, second temperature value and the second preset temperature range comparison, very first time value and comparison the first time rating and the second time value and comparison the second time rating obtain comparison result, and closedown or the unlatching of first 71 or second mouthful 72 is controlled according to comparison result, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
In this embodiment, by setting the first preset temperature range, second temperature preset range, first time rating and the second time rating, by the first temperature value and the first preset temperature range comparison, second temperature value and the second preset temperature range comparison, very first time value and comparison the first time rating and the second time value and comparison the second time rating obtain comparison result, and closedown or the unlatching of first 71 or second mouthful 72 is controlled according to comparison result, realize selecting the refrigeration of refrigerator 100 the best or freezing operational mode, save energy consumption, realize best refrigerating state, improve the comfort of product.
In one embodiment of the invention, as shown in Figure 1, part flow arrangement is triple valve 7.
In this embodiment, the structural design of triple valve 7 is simple, durable, cost is low, effectively control the flow direction of cold-producing medium, realize the different conditions of refrigeration, both improve the comfort of product, also reduce the production cost of product, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
In one embodiment of the invention, described part flow arrangement comprises: the first magnetic valve and the second magnetic valve.
Particularly, the entrance of the first magnetic valve is connected with the outlet of the first fluid reservoir, and outlet is connected with the entrance of first throttle device; The entrance of the second magnetic valve is connected with the outlet of the first fluid reservoir, and outlet is connected with the entrance of the second throttling arrangement; Wherein, the outlet of the first magnetic valve is first, and the outlet of the second magnetic valve is second mouthful.
In this embodiment, by the combination of the first magnetic valve and the second magnetic valve, effectively control the flow direction of cold-producing medium, realize refrigeration and freezing isolated operation at times, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
In one embodiment of the invention, as shown in Figure 1, device for drying and filtering 3 is provided with between condenser 2 and the first fluid reservoir 4.
In this embodiment, device for drying and filtering 3 is arranged between condenser 2 and the first fluid reservoir 4, moisture content residual in absorptive condenser 2 on the one hand, prevent that ice blocks up, reduce moisture content to the corrosion of refrigeration system, improve the reliability of product, on the other hand, device for drying and filtering 3 has filtered out the foreign material in condenser 2, and the situation avoiding foreign material blocking throttling arrangement and damage compressor 1 occurs, and improves the reliability of product.
As shown in Figure 2, the embodiment of second aspect present invention provides a kind of control method for refrigerator in above-mentioned any one embodiment, comprising:
Step S1, refrigeration detecting step, the temperature of detection refrigerating chamber and refrigerant flow through the time of first throttle device 5, and send the first temperature value and very first time value;
Step S2, refrigeration determining step, sends refrigeration instruction according to the first temperature value or very first time value;
Step S3, refrigeration performs step, controls closedown or the unlatching of the first 71 of the part flow arrangement of refrigerator according to refrigeration instruction;
Step S4, freezing detecting step, the temperature of detection refrigerating chamber and refrigerant flow through the time of the second throttling arrangement 8, and send the second temperature value and the second time value;
Step S5, freezing determining step, sends freezing instruction according to the second temperature value or the second time value;
Step S6, freezing execution step, controls the closedown of second mouthful 72 or the unlatching of the part flow arrangement of refrigerator according to freezing instruction.
The control method that the embodiment of second aspect present invention provides, according to the first temperature value, second temperature value, very first time value and the second time value control first of part flow arrangement or the closedown of second mouthful or unlatching, realize refrigeration and freezing isolated operation, thus to avoid in prior art refrigeration and freezingly to stop simultaneously, cause the comfort of the temperature fluctuation considerable influence product of refrigerating chamber, or cause the long waste causing the energy of the cooling time in refrigerating chamber, and by controlling refrigeration and freezing isolated operation, the refrigerating chamber of refrigerator and refrigerating chamber is made all to be in best refrigerating state, save energy consumption, improve the comfort of product.
In one embodiment of the invention, as shown in Figure 2 and Figure 4, in step S3, refrigeration performs in step, and when the first temperature value is less than or equal to the first preset temperature range, or when the very first time, value was more than or equal to for the first time rating, first 71 is closed; When the first temperature value is more than or equal to the first preset temperature range, first 71 is opened.
In this embodiment, when the first temperature value is less than or equal to the first preset temperature range, or when the very first time, value was more than or equal to for the first time rating, part flow arrangement first 71 is closed, and refrigerating chamber does not freeze; When the first temperature value is more than or equal to the first preset temperature range, part flow arrangement first 71 is opened, refrigeration chamber, to realize the Time-sharing control of refrigeration for refrigerator, thus make refrigeration and freezing function reach optimum state, save the energy, improve the comfort of product.
In one embodiment of the invention, as shown in Figure 2 and Figure 4, in step S6, in freezing execution step, when the second temperature value is less than or equal to the second preset temperature range, or, when the second time value was more than or equal to for the second time rating, close for second mouthful 72; When the second temperature value is more than or equal to the second preset temperature range, open for second mouthful 72.
In this embodiment, when the second temperature value is less than or equal to the second preset temperature range, or when the second time value was more than or equal to for the second time rating, part flow arrangement is closed for second mouthful 72, and refrigerating chamber does not freeze; When the second temperature value is more than or equal to the second preset temperature range, part flow arrangement is opened for second mouthful 72, and refrigerating chamber freezes, to realize the Time-sharing control of refrigeration for refrigerator, thus make refrigeration and freezing function reach optimum state, save the energy, improve the comfort of product.
In one embodiment of the invention, as shown in Figure 3 and Figure 4, in step S3, refrigeration performs step and step S4, also comprises between freezing detecting step:
Step S301, whether common detecting step, detect and have refrigerant to flow through first throttle device 5 and the second throttling arrangement 8, concurrently send detection signal;
Step S302, common determining step, sends execution instruction according to detection signal;
Step S303, performs step jointly, controls closedown or the unlatching of second mouthful 72 according to the writ of execution.
In this embodiment, by the detection to first throttle device 5 and the second throttling arrangement 8 refrigerant, make refrigerator realize refrigeration and freezing while run, guarantee refrigerator refrigeration.
In one embodiment of the invention, in step S303, in common execution step, when refrigerant flows through first throttle device 5 and the second throttling arrangement 8 simultaneously, and when while of refrigerant, flushing time is more than or equal to the 3rd preset value, close for second mouthful 72.
In this embodiment, when refrigerant flows through first throttle device 5 and the second throttling arrangement 8 simultaneously, and when while of refrigerant, flushing time is more than or equal to the 3rd preset value, throttling arrangement cuts out for second mouthful 72, make refrigeration and freezing reach certain hour after, realize refrigeration and freezing effect, thus cold storage function closed, realize the control to refrigeration, economize energy.
The control method that the embodiment of second aspect present invention provides, by the refrigerator that the embodiment controlling to be provided with first aspect provides, the entrance of the first fluid reservoir is connected with the outlet of condenser, the entrance of part flow arrangement is connected with the outlet of the first fluid reservoir, the first fluid reservoir is added between condenser and part flow arrangement, to realize providing enough refrigerants to when refrigeration and freezing operation simultaneously, avoid the situation generation of refrigeration and freezing feed flow deficiency when simultaneously running, improve refrigeration and the refrigerating effect of product, meet the user demand of client, in addition, this control method is by the judgement to temperature and time in refrigerating chamber and refrigerating chamber, realize the control at times of refrigeration for refrigerator function, both ensure that the refrigeration of refrigerator, also save the energy, improve the field competitiveness of product.
In sum, refrigerator provided by the invention, the entrance of the first fluid reservoir is connected with the outlet of condenser, the entrance of part flow arrangement is connected with the outlet of the first fluid reservoir, between condenser and part flow arrangement, add the first fluid reservoir, with realize to refrigeration and freezing run simultaneously time enough refrigerants are provided, avoid the situation generation of feed flow deficiency when refrigeration and freezing operation simultaneously, improve refrigeration and the refrigerating effect of product, meet the user demand of client.
Specifically, existing refrigerator Dual-evaporator refrigeration system, comprise: compressor, condenser, device for drying and filtering, triple valve, refrigeration capillary, freezing capillary, refrigeration evaporator, refrigerating evaporator and fluid reservoir, due to refrigeration freezing isolated operation or refrigeration and freezing run simultaneously time, required refrigerant flow is different, refrigeration and freezing operation simultaneously is easily caused to cause the feed flow of cold-producing medium not enough, thus affect refrigeration and the refrigerating effect of refrigerator, can not meet the user demand of client, and refrigerator provided by the invention, the entrance of the first fluid reservoir is connected with the outlet of condenser, the entrance of part flow arrangement is connected with the outlet of the first fluid reservoir, the first fluid reservoir is added between condenser and part flow arrangement, on the one hand, when refrigerating chamber or refrigerating chamber isolated operation, when meeting instructions for use, the refrigerant of a part is stored in first fluid reservoir, on the other hand, make when refrigerating chamber and refrigerating chamber run simultaneously, be stored in refrigerant in the first fluid reservoir and also participate in refrigeration, to realize providing enough refrigerants to when refrigeration and freezing operation simultaneously, avoid the situation generation of refrigeration and freezing feed flow deficiency when simultaneously running, improve refrigeration and the refrigerating effect of product, meet the user demand of client.
In the present invention, term " first ", " second ", " the 3rd " object only for describing, and instruction or hint relative importance can not be interpreted as.The terms such as term " connection " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a refrigerator, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet and gas returning port;
Condenser, the entrance of described condenser is connected with described exhaust outlet;
First fluid reservoir, the entrance of described first fluid reservoir is connected with the outlet of described condenser;
Part flow arrangement, the entrance of described part flow arrangement is connected with the outlet of described first fluid reservoir;
First throttle device, the entrance of described first throttle device is communicated with the first of described part flow arrangement;
Refrigeration evaporator, the entrance of described refrigeration evaporator and the outlet of described first throttle device;
Second throttling arrangement, the entrance of described second throttling arrangement is communicated with second mouthful of described part flow arrangement;
Refrigerating evaporator, the entrance of described refrigerating evaporator is connected with the outlet of described second throttling arrangement; With
Second fluid reservoir, the entrance of described second fluid reservoir is connected with the outlet of described refrigeration evaporator with the outlet of described refrigerating evaporator respectively, and the outlet of described second fluid reservoir is connected with described gas returning port.
2. refrigerator according to claim 1, is characterized in that, also comprises:
First temperature sensor, described first temperature sensor is arranged in the refrigerating chamber of described refrigerator, for detecting the temperature of refrigerating chamber;
Second temperature sensor, described second temperature sensor is arranged in the refrigerating chamber of described refrigerator, for detecting the temperature of refrigerating chamber; With
Control device, described control device is connected with described part flow arrangement, described first temperature sensor and described second temperature sensor respectively, described control device, according to the temperature of the temperature of described refrigerating chamber and described refrigerating chamber, controls cut out or the unlatching of described first or described second mouthful.
3. refrigerator according to claim 2, is characterized in that, also comprises:
First timer, described first timer is arranged on described first throttle device place, flows through the time of described first throttle device for detecting refrigerant; With
Second timer, described second timer is arranged on described second throttling arrangement place, flows through the time of described second throttling arrangement for detecting refrigerant;
Wherein, described first timer is all connected with described control device with described second timer, described control device flows through according to refrigerant the time that time of described first throttle device and refrigerant flow through described second throttling arrangement, controls closedown or the unlatching of described first or described second mouthful.
4. refrigerator according to claim 3, is characterized in that, described control device comprises:
Processing module, the time that described processing module receives described temperature of refrigerating chamber, described freezer temperature, refrigerant flow through described first throttle device and refrigerant flow through the time of described second throttling arrangement, and described temperature of refrigerating chamber, described freezer temperature, refrigerant are flow through the time that time of described first throttle device and refrigerant flow through described second throttling arrangement and be converted into the first temperature value, the second temperature value, very first time value and the second time value; With
Computing module, described computing module is connected with described processing module and described part flow arrangement respectively, described computing module receives described first temperature value, the second temperature value, very first time value and the second time value, described first temperature value and the first preset temperature range comparison, the second temperature value and the second preset temperature range comparison, very first time value and comparison the first time rating and the second time value and comparison the second time rating are obtained comparison result, and controls closedown or the unlatching of described first or described second mouthful according to comparison result.
5. refrigerator according to claim 1, is characterized in that,
Described part flow arrangement is triple valve.
6. refrigerator according to claim 1, is characterized in that,
Described part flow arrangement comprises:
First magnetic valve, the entrance of described first magnetic valve is connected with the outlet of described first fluid reservoir, and outlet is connected with the entrance of described first throttle device; With
Second magnetic valve, the entrance of described second magnetic valve is connected with the outlet of described first fluid reservoir, and outlet is connected with the entrance of described second throttling arrangement;
Wherein, the outlet of described first magnetic valve is first, and the outlet of described second magnetic valve is second mouthful.
7. refrigerator according to claim 1, is characterized in that,
Device for drying and filtering is provided with between described condenser and described first fluid reservoir.
8. a control method, for controlling the refrigerator according to any one of claim 1 to 7, is characterized in that, comprising:
Refrigeration detecting step, the temperature of detection refrigerating chamber and refrigerant flow through the time of described first throttle device, and send the first temperature value and very first time value;
Refrigeration determining step, sends refrigeration instruction according to described first temperature value or very first time value;
Refrigeration performs step, controls closedown or the unlatching of the first of the part flow arrangement of described refrigerator according to refrigeration instruction;
Freezing detecting step, the temperature of detection refrigerating chamber and refrigerant flow through the time of described second throttling arrangement, and send the second temperature value and the second time value;
Freezing determining step, sends freezing instruction according to described second temperature value or the second time value;
Freezing execution step, controls closedown or the unlatching of second mouthful of the part flow arrangement of described refrigerator according to freezing instruction.
9. control method according to claim 8, is characterized in that, performs in step in refrigeration,
When the first temperature value is less than or equal to the first preset temperature range, or when the very first time, value was more than or equal to for the first time rating, described first is closed;
When the first temperature value is more than or equal to the first preset temperature range, described first is opened.
10. control method according to claim 8, is characterized in that, in freezing execution step,
When the second temperature value is less than or equal to the second preset temperature range, or, when the second time value was more than or equal to for the second time rating, described second mouthful of closedown;
When the second temperature value is more than or equal to the second preset temperature range, described second mouthful of unlatching.
11. control methods according to claim 8, is characterized in that, perform between step and freezing detecting step also comprise in refrigeration:
Whether common detecting step, detect and have refrigerant to flow through first throttle device and the second throttling arrangement, concurrently send detection signal;
Common determining step, sends execution instruction according to detection signal;
Common execution step, controls closedown or the unlatching of second mouthful according to execution instruction.
12. control methods according to claim 11, is characterized in that, perform in step common,
When refrigerant flows through first throttle device and the second throttling arrangement simultaneously, and when while of refrigerant, flushing time is more than or equal to the 3rd preset value, second mouthful of closedown.
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| CN201510618085.4A CN105135788A (en) | 2015-09-23 | 2015-09-23 | Refrigerator and control method thereof |
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| CN106016954A (en) * | 2016-05-30 | 2016-10-12 | 合肥美的电冰箱有限公司 | Single-system air-cooling refrigerator defrosting recovery period control method and system and refrigerator |
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Application publication date: 20151209 |