CN202145062U - Air-conditioning system with a plurality of heating modes - Google Patents
Air-conditioning system with a plurality of heating modes Download PDFInfo
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- CN202145062U CN202145062U CN201120168703U CN201120168703U CN202145062U CN 202145062 U CN202145062 U CN 202145062U CN 201120168703 U CN201120168703 U CN 201120168703U CN 201120168703 U CN201120168703 U CN 201120168703U CN 202145062 U CN202145062 U CN 202145062U
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Abstract
The utility model relates to an air-conditioning system with a plurality of heating modes, wherein a complete refrigeration and heating main circulation loop is formed by orderly connecting a compressor, a four-way reversing valve, an indoor heat exchanger, a third solenoid valve, a fourth solenoid valve, a third electronic expansion valve and an outdoor heat exchanger in series; two branches are connected in series on the basis of the main circulation loop; the first branch comprises a first solenoid valve, a first electronic expansion valve, a first check valve and a refrigerant heater which are orderly connected in series; and the second branch comprises a second check valve, a second electronic expansion valve and a second solenoid valve which are orderly connected in series. The air-conditioning system with a plurality of heating modes disclosed by the utility model is provided with the main circulation loop and two circulation branches, and capable of realizing the functions of defrosting without stopping and assisting to heat by the refrigerant heater, wherein the defrosting heat comes from the refrigerant heater equivalent to an evaporator, so that the losing of indoor heat is avoided; the air-conditioning system with a plurality of heating modes has the advantages of highly improving the indoor heating effect, using a mode of defrosting without stopping and a mode of reversing by the four-way reversing valve to defrost in combination, and defrosting thoroughly.
Description
Technical field
The utility model relates to the heat pump type air conditioner technical field, is a kind of air-conditioning system of many heating modes specifically.
Background technology
When heat pump type air conditioner carries out the low-temperature heating operation, because its evaporating temperature is lower than zero degree, under outdoor wet environment, make the outdoor heat exchanger surface, thereby have influence on the heating effect of air-conditioner frosting or icing.In addition, under outdoor heat exchanger frosting situation, must the frost or the ice on outdoor heat exchanger surface be removed,, generally adopt the mode of switching cross valve, carrying out kind of refrigeration cycle to reach the purpose of defrosting (defrost) at present to keep the air-conditioning heating capacity.Indoor set must be out of service and the heat of loss indoor heat converter when this mode defrosted, and it can't have influence on the effect of user's heating to the indoor heat that provides.
The utility model content
To the defective that exists in the prior art, the purpose of the utility model is to provide a kind of air-conditioning system of many heating modes, and purpose is to improve heating capacity, does not lose the heat of indoor heat converter, realizes not shutting down defrosting and novel four-way change-over valve reverse cycle defrost.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of air-conditioning system of many heating modes; It is characterized in that: compressor 1, four-way change-over valve 2, indoor heat converter 3, the 3rd magnetic valve 7, the 4th magnetic valve 8, the 3rd electric expansion valve 10 and outdoor heat converter 15 have been followed in series to form a complete refrigeration, have heated main circulation loop
Wherein, first interface of four-way change-over valve 2 communicates with the high-pressure exhaust of compressor 1, and second interface communicates with outdoor heat converter 15, and the 3rd interface communicates with indoor heat converter 3, and the 4th interface communicates with the low pressure air suction mouth of compressor 1,
On the basis of main circulation loop, be connected in series two branch roads: first branch road and second branch road, wherein:
First branch road comprises successively first magnetic valve 6, first electric expansion valve 5, first check valve 9 and the refrigerant heater 11 of series connection; One end of first magnetic valve 6 is connected on the pipeline between the 3rd magnetic valve 7 and the 4th magnetic valve 8, and an end of refrigerant heater 11 is connected on the pipeline between the 4th interface of low pressure air suction mouth and four-way change-over valve 2 of compressor 1; First route first magnetic valve 6 control break-make can only be mobile to refrigerant heater 11 directions through the refrigerant of first check valve 9;
Second branch road comprises successively second check valve 12, second electric expansion valve 13 and second magnetic valve 14 of series connection; One end of second check valve 12 is connected on the pipeline between the 3rd electric expansion valve 10 and the outdoor heat converter 15, and an end of second magnetic valve 14 is connected on the 3rd interface and the pipeline between the indoor heat converter 3 of four-way change-over valve 2; Second route, second magnetic valve, 14 control break-makes, second check valve 12 that being provided with of the direction and first check valve 9 is in the opposite direction.
On the basis of technique scheme, indoor heat converter 3 places the indoor, and the remaining part except that indoor heat converter 3 all places the outside, on two pipelines of communication chamber inboard and outside, respectively is provided with two stop valves.
On the basis of technique scheme, indoor heat converter 3 is provided with electric heater 4.
On the basis of technique scheme; The air-conditioning system of described many heating modes has refrigeration mode and two kinds of mode of operations of heating mode, in heating mode, divides normal heating mode, auxiliary heating mode again, does not shut down defrosting mode and novel four-way change-over valve reverse cycle defrost pattern.
On the basis of technique scheme, under the refrigeration mode, four-way change-over valve 2 first interfaces and second interface are communicated with, and the 3rd interface and the 4th interface are communicated with, and first magnetic valve 6 and second magnetic valve 14 are closed, and the 3rd magnetic valve 7 and the 4th magnetic valve 8 are open-minded; The flow direction of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces of compressor 1 → four-way change-over valve 2 second interfaces → outdoor heat converter 15 → the 3rd electric expansion valve 10 → the 4th magnetic valve 8 → the 3rd magnetic valve 7 → indoor heat converter 3 → four-way change-over valve 2 the 3rd interface → four-way change-over valve 2 the 4th interface → compressor 1.
On the basis of technique scheme, under the normal heating mode, four-way change-over valve 2 first interfaces and the 3rd interface are communicated with, and second interface and the 4th interface are communicated with, and first magnetic valve 6 and second magnetic valve 14 are closed, and the 3rd magnetic valve 7 and the 4th magnetic valve 8 are open-minded; The flow direction of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the 4th magnetic valve 8 → the 3rd electric expansion valve 10 → outdoor heat converter 15 → four-way change-over valve 2 second interfaces → four-way change-over valve 2 the 4th interface → compressor 1.
On the basis of technique scheme, under the auxiliary heating mode, four-way change-over valve 2 first interfaces and the 3rd interface are communicated with, and second interface and the 4th interface are communicated with, and second magnetic valve 14 cuts out, and first magnetic valve 6 is opened, the 3rd magnetic valve 7 and the 4th magnetic valve 8 are open-minded; Article one, the glide path of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the 4th magnetic valve 8 → the 3rd electric expansion valve 10 → outdoor heat converter 15 → four-way change-over valve 2 second interfaces → four-way change-over valve 2 the 4th interface → compressor 1; The glide path of second refrigerant is followed successively by: high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the first magnetic valves 6 → the first electric expansion valves 5 → the first check valves 9 → refrigerant heater 11 → compressor 1 low pressure port.
On the basis of technique scheme; Do not shut down under the defrosting mode; Four-way change-over valve 2 first interfaces and the 3rd interface are communicated with, and second interface and the 4th interface are communicated with, and first magnetic valve 6 and second magnetic valve 14 are opened, the 3rd magnetic valve 7 is open-minded; The 4th magnetic valve 8 cuts out, and stops the outer blower fan in the outdoor heat converter 15 simultaneously; Article one, the glide path of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the first magnetic valves 6 → the first electric expansion valves 5 → the first check valves 9 → refrigerant heater 11 → compressor 1; The glide path of second refrigerant is followed successively by: high-pressure outlet → four-way change-over valve 2 first interfaces of compressor 1 → four-way change-over valve 2 the 3rd interface → second magnetic valve, 14 → the second electric expansion valves, 13 → the second check valves, 12 → outdoor heat converter, 15 → four-way change-over valve, 2 second interfaces → four-way change-over valve 2 the 4th interface → compressor 1 low pressure port.
On the basis of technique scheme, under the novel four-way change-over valve reverse cycle defrost mould, four-way change-over valve 2 first interfaces and second interface are communicated with; The 3rd interface and the 4th interface are communicated with, and the 4th magnetic valve 8 is open-minded, and first magnetic valve 6 is open-minded; Second magnetic valve 14 cuts out, and the 3rd magnetic valve 7 cuts out, and stops the outer blower fan in the outdoor heat converter 15 simultaneously; Opening electric heater 4, the inner blower in the indoor heat converter 3 keeps operation; The flow direction of refrigerant is followed successively by: high-pressure outlet → four-way change-over valve 2 first interfaces of compressor 1 → four-way change-over valve 2 second interfaces → outdoor heat converter 15 → the 3rd electric expansion valve 10 → the 4th magnetic valve 8 → the first magnetic valves 6 → the first electric expansion valves 5 → the first check valves 9 → refrigerant heater 11 → compressor 1 low pressure port.
The air-conditioning system of the described many heating modes of the utility model, its advantage is following:
1, main circulation loop and two circulation branch roads can realize not shutting down defrosting and the auxiliary heat-production functions of refrigerant heater.Compressor 1, four-way change-over valve 2, outdoor heat converter 15, the 3rd electric expansion valve 10, the 4th magnetic valve 8, first magnetic valve 6, first electric expansion valve 5, first check valve 9 and refrigerant heater 11 have constituted a complete four-way change-over valve reverse cycle defrost loop; Wherein defrost heat from the refrigerant heater that is equivalent to evaporimeter, avoid losing indoor heat.
2, refrigerant heater 11 both can have been assisted and heated; Also can realize not shutting down defrosting; Can also simultaneously not lose indoor heat through four-way change-over valve 2 reverse cycle defrosts, have the indoor heating effect higher lifting is arranged, do not shut down that the combination of defrosting and four-way change-over valve reverse cycle defrost is used, characteristics completely defrost.Said refrigerant heater is made up of protection lagging casing, electric heating tube, high temperature heat conductive oil and refrigerant pipe; Heat passes to high temperature heat conductive oil earlier by electric heating tube; Pass to the refrigerant in the refrigerant pipe by high temperature heat conductive oil again, wherein high temperature heat conductive oil can also store certain heat.
3, on main circulation loop, increase the 3rd magnetic valve and the 4th magnetic valve, in order to the blocking-up and the direction of control refrigerant circulation.
Description of drawings
The utility model has following accompanying drawing:
The structural representation of Fig. 1 the utility model,
Refrigerant flows to sketch map during Fig. 2 refrigeration mode,
Refrigerant flows to sketch map during the normal heating mode of Fig. 3,
Refrigerant flowed to sketch map when Fig. 4 assisted heating mode,
Refrigerant did not flow to sketch map when Fig. 5 did not shut down defrosting mode,
Refrigerant flows to sketch map during the novel four-way change-over valve reverse cycle defrost of Fig. 6 pattern.
Reference numeral:
1 is compressor, and 2 is four-way change-over valve, and 3 is indoor heat converter, and 4 is electric heater; 5 is first electric expansion valve, and 6 is first magnetic valve, and 7 is the 3rd magnetic valve, and 8 is the 4th magnetic valve; 9 is first check valve, and 10 is the 3rd electric expansion valve, and 11 is the refrigerant heater, and 12 is second check valve; 13 is second electric expansion valve, and 14 is second magnetic valve, and 15 is outdoor heat converter.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further explain.
Fig. 1 is the structural representation of the air-conditioning system of the described many heating modes of the utility model, and is as shown in the figure:
Wherein, first interface of four-way change-over valve 2 communicates with the high-pressure exhaust of compressor 1, and second interface communicates with outdoor heat converter 15, and the 3rd interface communicates with indoor heat converter 3, and the 4th interface communicates with the low pressure air suction mouth of compressor 1,
On the basis of main circulation loop, be connected in series two branch roads: first branch road and second branch road, wherein:
First branch road comprises successively first magnetic valve 6, first electric expansion valve 5, first check valve 9 and the refrigerant heater 11 of series connection; One end of first magnetic valve 6 is connected on the pipeline between the 3rd magnetic valve 7 and the 4th magnetic valve 8, and an end of refrigerant heater 11 is connected on the pipeline between the 4th interface of low pressure air suction mouth and four-way change-over valve 2 of compressor 1; First route first magnetic valve 6 control break-make can only be mobile to refrigerant heater 11 directions through the refrigerant of first check valve 9;
Second branch road comprises successively second check valve 12, second electric expansion valve 13 and second magnetic valve 14 of series connection; One end of second check valve 12 is connected on the pipeline between the 3rd electric expansion valve 10 and the outdoor heat converter 15, and an end of second magnetic valve 14 is connected on the 3rd interface and the pipeline between the indoor heat converter 3 of four-way change-over valve 2; Second route, second magnetic valve, 14 control break-makes, second check valve 12 that being provided with of the direction and first check valve 9 is in the opposite direction.
On the basis of technique scheme; As shown in Figure 1; The frame of broken lines on the left side is represented the indoor among the figure, and the frame of broken lines on the right is represented the outside, and indoor heat converter 3 places the indoor; Remaining part except that indoor heat converter 3 all places the outside, on two pipelines of communication chamber inboard and outside, respectively is provided with two stop valves.
On the basis of technique scheme, as shown in Figure 1, indoor heat converter 3 is provided with electric heater 4.
On the basis of technique scheme; The air-conditioning system of described many heating modes has refrigeration mode and two kinds of mode of operations of heating mode; In heating mode, divide normal heating mode, auxiliary heating mode again, do not shut down defrosting mode and novel four-way change-over valve reverse cycle defrost pattern
Therefore heating mode one has four kinds of cold-producing medium endless form in the utility model, explains one by one below in conjunction with 2～6 pairs of each endless form of accompanying drawing;
Referring to Fig. 2, under the refrigeration mode, four-way change-over valve 2 first interfaces and second interface are communicated with, and the 3rd interface and the 4th interface are communicated with, and first magnetic valve 6 and second magnetic valve 14 are closed, and the 3rd magnetic valve 7 and the 4th magnetic valve 8 are open-minded; The flow direction of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces of compressor 1 → four-way change-over valve 2 second interfaces → outdoor heat converter 15 → the 3rd electric expansion valve 10 → the 4th magnetic valve 8 → the 3rd magnetic valve 7 → indoor heat converter 3 → four-way change-over valve 2 the 3rd interface → four-way change-over valve 2 the 4th interface → compressor 1;
Referring to Fig. 3, under the normal heating mode, four-way change-over valve 2 first interfaces and the 3rd interface are communicated with, and second interface and the 4th interface are communicated with, and first magnetic valve 6 and second magnetic valve 14 are closed, and the 3rd magnetic valve 7 and the 4th magnetic valve 8 are open-minded; The flow direction of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the 4th magnetic valve 8 → the 3rd electric expansion valve 10 → outdoor heat converter 15 → four-way change-over valve 2 second interfaces → four-way change-over valve 2 the 4th interface → compressor 1;
Referring to Fig. 4, under the auxiliary heating mode, four-way change-over valve 2 first interfaces and the 3rd interface are communicated with, and second interface and the 4th interface are communicated with, and second magnetic valve 14 cuts out, and first magnetic valve 6 is opened, the 3rd magnetic valve 7 and the 4th magnetic valve 8 are open-minded; Article one, the glide path of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the 4th magnetic valve 8 → the 3rd electric expansion valve 10 → outdoor heat converter 15 → four-way change-over valve 2 second interfaces → four-way change-over valve 2 the 4th interface → compressor 1; The glide path of second refrigerant is followed successively by: high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the first magnetic valves 6 → the first electric expansion valves 5 → the first check valves 9 → refrigerant heater 11 → compressor 1 low pressure port;
Referring to Fig. 5, not shut down under the defrosting mode, four-way change-over valve 2 first interfaces and the 3rd interface are communicated with; Second interface and the 4th interface are communicated with; First magnetic valve 6 and second magnetic valve 14 are opened, the 3rd magnetic valve 7 is open-minded, and the 4th magnetic valve 8 cuts out, and stop the outer blower fan in the outdoor heat converter 15 simultaneously; Article one, the glide path of refrigerant is followed successively by: the low-pressure inlet of high-pressure outlet → four-way change-over valve 2 first interfaces → four-way change-over valve 2 the 3rd interface → indoor heat converter 3 of compressor 1 → the 3rd magnetic valve 7 → the first magnetic valves 6 → the first electric expansion valves 5 → the first check valves 9 → refrigerant heater 11 → compressor 1; The glide path of second refrigerant is followed successively by: high-pressure outlet → four-way change-over valve 2 first interfaces of compressor 1 → four-way change-over valve 2 the 3rd interface → second magnetic valve, 14 → the second electric expansion valves, 13 → the second check valves, 12 → outdoor heat converter, 15 → four-way change-over valve, 2 second interfaces → four-way change-over valve 2 the 4th interface → compressor 1 low pressure port;
Referring to Fig. 6, under the novel four-way change-over valve reverse cycle defrost mould, four-way change-over valve 2 first interfaces and second interface are communicated with; The 3rd interface and the 4th interface are communicated with, and the 4th magnetic valve 8 is open-minded, and first magnetic valve 6 is open-minded; Second magnetic valve 14 cuts out, and the 3rd magnetic valve 7 cuts out, and stops the outer blower fan in the outdoor heat converter 15 simultaneously; Opening electric heater 4, the inner blower in the indoor heat converter 3 keeps operation; The flow direction of refrigerant is followed successively by: high-pressure outlet → four-way change-over valve 2 first interfaces of compressor 1 → four-way change-over valve 2 second interfaces → outdoor heat converter 15 → the 3rd electric expansion valve 10 → the 4th magnetic valve 8 → the first magnetic valves 6 → the first electric expansion valves 5 → the first check valves 9 → refrigerant heater 11 → compressor 1 low pressure port.
Main circulation loop and two circulation branch roads can realize not shutting down defrosting and the auxiliary heat-production functions of refrigerant heater in the utility model.Compressor 1, four-way change-over valve 2, outdoor heat converter 15, the 3rd electric expansion valve 10, the 4th magnetic valve 8, first magnetic valve 6, first electric expansion valve 5, first check valve 9 and refrigerant heater 11 have constituted a complete four-way change-over valve reverse cycle defrost loop; Wherein defrost heat from the refrigerant heater that is equivalent to evaporimeter, avoid losing indoor heat.
On main circulation loop, increase the 3rd magnetic valve and the 4th magnetic valve in the utility model, in order to the blocking-up and the direction of control refrigerant circulation.
Claims (9)
1. the air-conditioning system of heating mode more than a kind; It is characterized in that: compressor (1), four-way change-over valve (2), indoor heat converter (3), the 3rd magnetic valve (7), the 4th magnetic valve (8), the 3rd electric expansion valve (10) and outdoor heat converter (15) have been followed in series to form a complete refrigeration, have heated main circulation loop
Wherein, first interface of four-way change-over valve (2) communicates with the high-pressure exhaust of compressor (1), and second interface communicates with outdoor heat converter (15), and the 3rd interface communicates with indoor heat converter (3), and the 4th interface communicates with the low pressure air suction mouth of compressor (1),
On the basis of main circulation loop, be connected in series two branch roads: first branch road and second branch road, wherein:
First branch road comprises first magnetic valve (6), first electric expansion valve (5), first check valve (9) and the refrigerant heater (11) of series connection successively; One end of first magnetic valve (6) is connected on the pipeline between the 3rd magnetic valve (7) and the 4th magnetic valve (8), and an end of refrigerant heater (11) is connected on the pipeline between the 4th interface of low pressure air suction mouth and four-way change-over valve (2) of compressor (1); First route first magnetic valve (6) control break-make can only be mobile to refrigerant heater (11) direction through the refrigerant of first check valve (9);
Second branch road comprises second check valve (12), second electric expansion valve (13) and second magnetic valve (14) of series connection successively; One end of second check valve (12) is connected on the pipeline between the 3rd electric expansion valve (10) and the outdoor heat converter (15), and an end of second magnetic valve (14) is connected on the 3rd interface and the pipeline between the indoor heat converter (3) of four-way change-over valve (2); Second route second magnetic valve (14) control break-make, second check valve (12) that being provided with of direction and first check valve (9) is in the opposite direction.
2. the air-conditioning system of many heating modes as claimed in claim 1; It is characterized in that: indoor heat converter (3) places the indoor; Remaining part except that indoor heat converter (3) all places the outside, on two pipelines of communication chamber inboard and outside, respectively is provided with two stop valves.
3. the air-conditioning system of many heating modes as claimed in claim 1, it is characterized in that: indoor heat converter (3) is provided with electric heater (4).
4. like the air-conditioning system of claim 1 or 2 or 3 described many heating modes; It is characterized in that: the air-conditioning system of described many heating modes has refrigeration mode and two kinds of mode of operations of heating mode, in heating mode, divides normal heating mode, auxiliary heating mode again, does not shut down defrosting mode and novel four-way change-over valve reverse cycle defrost pattern.
5. the air-conditioning system of many heating modes as claimed in claim 4; It is characterized in that: under the refrigeration mode; Four-way change-over valve (2) first interfaces and second interface are communicated with; The 3rd interface and the 4th interface are communicated with, and first magnetic valve (6) and second magnetic valve (14) are closed, and the 3rd magnetic valve (7) and the 4th magnetic valve (8) are open-minded.
6. the air-conditioning system of many heating modes as claimed in claim 4; It is characterized in that: under the normal heating mode; Four-way change-over valve (2) first interfaces and the 3rd interface are communicated with; Second interface and the 4th interface are communicated with, and first magnetic valve (6) and second magnetic valve (14) are closed, and the 3rd magnetic valve (7) and the 4th magnetic valve (8) are open-minded.
7. the air-conditioning system of many heating modes as claimed in claim 4; It is characterized in that: under the auxiliary heating mode; Four-way change-over valve (2) first interfaces and the 3rd interface are communicated with; Second interface and the 4th interface are communicated with, and second magnetic valve (14) cuts out, and first magnetic valve (6) is opened, the 3rd magnetic valve (7) and the 4th magnetic valve (8) are open-minded.
8. the air-conditioning system of many heating modes as claimed in claim 4; It is characterized in that: do not shut down under the defrosting mode; Four-way change-over valve (2) first interfaces and the 3rd interface are communicated with, and second interface and the 4th interface are communicated with, and first magnetic valve (6) and second magnetic valve (14) are opened, the 3rd magnetic valve (7) is open-minded; The 4th magnetic valve (8) cuts out, and stops the outer blower fan in the outdoor heat converter (15) simultaneously.
9. the air-conditioning system of many heating modes as claimed in claim 4 is characterized in that: under the novel four-way change-over valve reverse cycle defrost mould, four-way change-over valve (2) first interfaces and second interface are communicated with; The 3rd interface and the 4th interface are communicated with, and the 4th magnetic valve (8) is open-minded, and first magnetic valve (6) is open-minded; Second magnetic valve (14) cuts out, and the 3rd magnetic valve (7) cuts out, and stops the outer blower fan in the outdoor heat converter (15) simultaneously; Inner blower in the opening electric heater (4), indoor heat converter (3) keeps operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120168703U CN202145062U (en) | 2011-05-25 | 2011-05-25 | Air-conditioning system with a plurality of heating modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120168703U CN202145062U (en) | 2011-05-25 | 2011-05-25 | Air-conditioning system with a plurality of heating modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202145062U true CN202145062U (en) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120168703U Expired - Lifetime CN202145062U (en) | 2011-05-25 | 2011-05-25 | Air-conditioning system with a plurality of heating modes |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422215A (en) * | 2013-08-28 | 2015-03-18 | 海尔集团公司 | Air conditioning system and defrosting method for same |
| CN104913435A (en) * | 2015-05-12 | 2015-09-16 | 珠海格力电器股份有限公司 | Air conditioning system and air conditioner and control method thereof |
| CN106595118A (en) * | 2016-12-27 | 2017-04-26 | 珠海格力电器股份有限公司 | Air-cooled cold and hot water unit |
| CN106595151A (en) * | 2016-12-30 | 2017-04-26 | 中原工学院 | Three-stage combined type fast defrosting system of refrigeration device with intelligent control |
| CN107525295A (en) * | 2017-07-18 | 2017-12-29 | 广东美的暖通设备有限公司 | Hot water machine |
| CN110470020A (en) * | 2019-08-04 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
| CN111503826A (en) * | 2020-04-29 | 2020-08-07 | 广东美的制冷设备有限公司 | Defrosting control method of air conditioning system and air conditioning system |
| WO2020161834A1 (en) * | 2019-02-06 | 2020-08-13 | 三菱電機株式会社 | Refrigeration cycle device |
-
2011
- 2011-05-25 CN CN201120168703U patent/CN202145062U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422215A (en) * | 2013-08-28 | 2015-03-18 | 海尔集团公司 | Air conditioning system and defrosting method for same |
| CN104422215B (en) * | 2013-08-28 | 2019-04-19 | 海尔集团公司 | The Defrost method of air-conditioning system and air-conditioning system |
| CN104913435A (en) * | 2015-05-12 | 2015-09-16 | 珠海格力电器股份有限公司 | Air conditioning system and air conditioner and control method thereof |
| CN104913435B (en) * | 2015-05-12 | 2022-01-18 | 珠海格力电器股份有限公司 | Air conditioning system, air conditioner and control method thereof |
| CN106595118A (en) * | 2016-12-27 | 2017-04-26 | 珠海格力电器股份有限公司 | Air-cooled cold and hot water unit |
| CN106595151A (en) * | 2016-12-30 | 2017-04-26 | 中原工学院 | Three-stage combined type fast defrosting system of refrigeration device with intelligent control |
| CN107525295A (en) * | 2017-07-18 | 2017-12-29 | 广东美的暖通设备有限公司 | Hot water machine |
| CN107525295B (en) * | 2017-07-18 | 2020-02-21 | 广东美的暖通设备有限公司 | Water heater |
| WO2020161834A1 (en) * | 2019-02-06 | 2020-08-13 | 三菱電機株式会社 | Refrigeration cycle device |
| CN110470020A (en) * | 2019-08-04 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
| CN111503826A (en) * | 2020-04-29 | 2020-08-07 | 广东美的制冷设备有限公司 | Defrosting control method of air conditioning system and air conditioning system |
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Effective date of registration: 20170519 Address after: 315191 Yinzhou District Province, Ningbo City, Jiang Shan town on the village of summer ho Patentee after: AUX air conditioning Limited by Share Ltd Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo AUX Group. |
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| TR01 | Transfer of patent right | ||
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Granted publication date: 20120215 |
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