CN202734103U - Tandem type air conditioner and temperature regulation cabinet all-in-one machine - Google Patents
Tandem type air conditioner and temperature regulation cabinet all-in-one machine Download PDFInfo
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- CN202734103U CN202734103U CN 201220314309 CN201220314309U CN202734103U CN 202734103 U CN202734103 U CN 202734103U CN 201220314309 CN201220314309 CN 201220314309 CN 201220314309 U CN201220314309 U CN 201220314309U CN 202734103 U CN202734103 U CN 202734103U
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- temperature cabinet
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Abstract
The utility model discloses an air conditioner and temperature regulation cabinet all-in-one machine which comprises a compressor, an outdoor heat exchanger and a throttle mechanism which are successively connected through a main pipeline, wherein the output end of the compressor is connected with the input end of the heat exchanger, and the output end of the outdoor heat exchanger is connected with the input end of the throttle mechanism; and the all-in-one machine also comprises an indoor temperature regulation cabinet heat exchanger and an indoor air conditioner heat exchanger, the input end of the indoor temperature regulation cabinet heat exchanger is connected with the output end of the throttle mechanism, and the output end of the indoor temperature regulation cabinet heat exchanger is connected with the input end of the indoor air conditioner heat exchanger; and the output end of the indoor air conditioner heat exchanger is connected with an input end of the compressor. The indoor air conditioner heat exchanger and the indoor temperature regulation cabinet heat exchanger of the all-in-one machine adopt a tandem design, so that the problem of reflux resulting from pressure imbalance is solved.
Description
Technical field
The utility model relates to air-conditioning and controlled temperature cabinet all-in-one technical field, particularly a kind of tandem air-conditioning and controlled temperature cabinet all-in-one.
Background technology
Existing air-conditioning and controlled temperature cabinet all-in-one have following two kinds of production methods:
One, air-conditioning and controlled temperature cabinet respectively have and overlap independently all-in-one; Both are made of one for certain purpose in manufacture process, and the simple stack of two all-in-ones has not only increased bulk without reason, and does not have novelty in technical field, does not repeat them here.
Two, air-conditioning and controlled temperature cabinet share a cover all-in-one, and the room conditioning heat exchanger is connected that parallel way connects with indoor temperature control case heat exchanger.In this kind mode, because two heat exchangers are in parallel.Yet the required temperature range of room conditioning heat exchanger and indoor temperature control case heat exchanger is different; Namely the outlet pressure of the refrigerant in two heat exchangers is different.If establishing two heat exchanger entrance point refrigerant pressure is P, in order to realize the temperature effect of air-conditioning and controlled temperature cabinet, refrigerant pressure is P1 behind the then shunting process room conditioning heat exchanger, is P2 through refrigerant pressure behind the indoor temperature control case heat exchanger, and P1 P2, and difference is larger.After through two heat exchangers, when compiling one the tunnel, refrigerant can cause room conditioning heat exchanger branch road refrigerant to reflux to indoor temperature control case heat exchanger branch road so; Can have a strong impact on like this performance of room conditioning and indoor temperature control case.For this situation, existing settling mode is at booster pump of evaporator of refrigerator Increasing exports; Weak point is that not only cost height but also efficient are also very low.
On the other hand, the room conditioning heat exchanger adopts the fan forced convection heat exchange, and indoor temperature control case heat exchanger relies on radiation heat transfer, after identical condition for import shunting, the evaporating temperature of room conditioning heat exchanger is higher than refrigerator heat exchanger, the refrigerant major part flows to the lower indoor temperature control case heat exchanger of pressure, causes the air-conditioning ability significantly to reduce.For this situation, existing settling mode is to increase throttling arrangement at the refrigerator entrance, and weak point is to exist the refrigerant of indoor temperature control case heat exchanger and can produce backflow phenomenon from the outlet outflow, thereby affects all-in-one efficient.
The utility model content
Utility model purpose of the present utility model is the technical deficiency for existing air-conditioning and controlled temperature cabinet all-in-one, provides a kind of anti-backflow to improve tandem air-conditioning and the controlled temperature cabinet all-in-one of all-in-one performance.
For realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is:
A kind of tandem air-conditioning and controlled temperature cabinet all-in-one are provided, comprise the medium circulation pipeline system that compressor, room conditioning heat exchanger, indoor temperature control case heat exchanger, throttle mechanism and outdoor heat exchanger form, described indoor temperature control case heat exchanger and room conditioning heat exchanger sequentially are connected in series or described room conditioning heat exchanger and indoor temperature control case heat exchanger sequentially are connected in series.
Preferably, described compressor is imported and exported and is connected respectively cross valve, forms refrigeration heat pump system.
Preferably, described compressor is frequency-changeable compressor, and the throttle mechanism of employing is electric expansion valve.
Preferably, described medium circulation pipeline is provided with the first control valve, and this first control valve is used for the break-make that the control refrigerant flows in the controlled temperature cabinet heat exchanger; Be provided with the first bypass line between described throttle mechanism and the room conditioning heat exchanger, be provided with the first by-passing valve at this bypass line.
Preferably, described medium circulation pipeline is provided with the second control valve, and this second control valve is used for the break-make that the control refrigerant flows in the room conditioning heat exchanger; Be provided with the second bypass line between described indoor temperature control case heat exchanger and the compressor inlet, be provided with the second by-passing valve at this bypass line.
Preferably, described medium circulation pipeline is provided with the first control valve, and this first control valve is used for the break-make that the control refrigerant flows in the room conditioning heat exchanger; Be provided with the first bypass line between described throttle mechanism and the indoor temperature control case heat exchanger, be provided with the first by-passing valve at this bypass line.
Preferably, described medium circulation pipeline is provided with the second control valve, and this second control valve is used for the break-make that the control refrigerant flows in the controlled temperature cabinet heat exchanger; Be provided with the second bypass line between described room conditioning heat exchanger and the compressor inlet, be provided with the second by-passing valve at this bypass line.
The progress control method of a kind of tandem air-conditioning and controlled temperature cabinet all-in-one, when described room conditioning heat exchanger or the operation of indoor temperature control case heat exchanger, the first by-passing valve and the second by-passing valve are closed, and the first control valve and the second control valve are opened; The room conditioning heat exchanger provides heat or cold to room air, and simultaneously, indoor temperature control case heat exchanger is corresponding provides heat or cold.
Preferably, when described room conditioning heat exchanger or the operation of indoor temperature control case heat exchanger, the second by-passing valve and the first control valve are closed, the second control valve and the first by-passing valve are opened, the room conditioning heat exchanger provides heat or cold to room air, the indoor temperature control case is not worked, and under the same external condition, and the flow of compressor frequency and electric expansion valve is greater than or equals the value that air-conditioning and controlled temperature cabinet are worked simultaneously.
Preferably, when described room conditioning heat exchanger or the operation of indoor temperature control case heat exchanger, the second by-passing valve and the first control valve are opened, the second control valve and the first by-passing valve are closed, indoor temperature control case heat exchanger provides heat or cold to the controlled temperature cabinet space, air-conditioning is not worked, and under the same external condition, and the flow of compressor frequency and electric expansion valve is less than or equals the value that room conditioning and controlled temperature cabinet are worked simultaneously.
The utility model has following beneficial effect with respect to prior art:
The room conditioning heat exchanger of the utility model air-conditioning and controlled temperature cabinet all-in-one and indoor temperature control case heat exchanger adopt series design, have solved the reflux problem that pressure imbalance causes.Simultaneously, this all-in-one has also designed respectively controllable bypass circulation, has so both realized respectively independent control air-conditioning and controlled temperature cabinet, so that the demand of air-conditioning and controlled temperature cabinet one is achieved, saves space and resource again, is user-friendly to again.
Description of drawings
Fig. 1 is the system diagram of the utility model embodiment 1;
Fig. 2 is the system diagram of the utility model embodiment 2;
Fig. 3 is the system diagram that the utility model embodiment 3 air-conditionings and controlled temperature cabinet move simultaneously;
Fig. 4 is the system diagram that the utility model embodiment 3 uses separately air-conditioning;
Fig. 5 is the system diagram that the utility model embodiment 4 air-conditionings and controlled temperature cabinet move simultaneously;
Fig. 6 is the system diagram that the utility model embodiment 4 uses separately air-conditioning;
Fig. 7 is the system diagram that the utility model embodiment 4 uses separately controlled temperature cabinet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments utility model purpose of the present utility model is described in further detail, embodiment can not give unnecessary details one by one at this, but therefore embodiment of the present utility model is not defined in following examples.Unless stated otherwise, material and the processing method of the utility model employing are the art conventional material and processing method.
Embodiment 1
As shown in Figure 1, described tandem air-conditioning and controlled temperature cabinet integrated machine system, comprise the medium circulation pipeline system that compressor 1, room conditioning heat exchanger 5, indoor temperature control case heat exchanger 4, throttle mechanism 3 and outdoor heat exchanger 2 form, and indoor temperature control case heat exchanger 4 is connected in series with room conditioning heat exchanger 5 orders.Being that 1 compression of the compressed machine of refrigerant is laggard enters outdoor heat exchanger 2 and outdoor environment heat exchange, high-pressure liquid refrigerant after the heat exchange enters indoor controlled temperature cabinet heat exchanger 4 through throttle mechanism 3 throttlings are laggard, with the heat exchange of controlled temperature cabinet space, reach controlled temperature cabinet cooling purpose, and then enter room conditioning heat exchanger 5 and indoor environment heat exchange, reach the effect that regulates the room temperature, the refrigerant of last low pressure gaseous state is got back to compressor 1 air inlet, so circular flow.Can realize controlled temperature cabinet cold storage function and air conditioner refrigerating function, in this system, indoor temperature control case heat exchanger 4 is connected with room conditioning heat exchanger 5, does not have the phenomenon that refrigerant refluxes under the state in parallel.Simultaneously, the use of controlled temperature cabinet is also very little to the influential effect of air-conditioning.
As shown in Figure 2, the difference with embodiment one has been room conditioning heat exchanger 5, indoor temperature control case heat exchanger 4 place-exchange.Being that 1 compression of the compressed machine of refrigerant is laggard enters outdoor heat exchanger 2 and outdoor environment heat exchange, high-pressure liquid refrigerant after the heat exchange enters indoor air-condition heat exchanger 5 and indoor environment heat exchange through throttle mechanism 3 throttlings are laggard, reach the effect that regulates the room temperature, and then enter indoor temperature control case heat exchanger 4, with the heat exchange of controlled temperature cabinet space, reach controlled temperature cabinet cooling purpose, the refrigerant of last low pressure gaseous state is got back to compressor 1 air inlet, so circular flow.
As shown in Figure 3, described compressor is imported and exported and is connected respectively cross valve 11, forms refrigeration heat pump system, can realize according to user's request the difference in functionality of air-conditioning and controlled temperature cabinet.Solid arrow is depicted as air conditioner refrigerating, the circulation of controlled temperature cabinet refrigeration, and dotted arrow is depicted as air-conditioning heating, the circulation of controlled temperature cabinet heating.Electric expansion valve 3 outlet positions are provided with the first control valve 7 to the pipeline at the position between room conditioning heat exchanger 5 and the indoor temperature control case heat exchanger 4, this control valve arranges the front with indoor temperature control case heat exchanger 4; Electric expansion valve 3 outlet positions are provided with a bypass line to the position between room conditioning heat exchanger 5 and the indoor temperature control case heat exchanger 4, are provided with the first by-passing valve 9 at this bypass line.Move this system and can realize simultaneously operation function of air-conditioning and controlled temperature cabinet, as shown in Figure 3, this moment first, control valve 7 was opened, the first by-passing valve 9 cuts out, system's refrigerant circulation, realize the cold and hot function of controlled temperature cabinet in the 4 interior heat exchange of indoor temperature control case heat exchanger, come the adjusting indoor environment temperature in the 5 interior heat exchange of room conditioning heat exchanger; Move this system and can realize that also the air-conditioning list opens function, as shown in Figure 4, this moment first, by-passing valve 9 was opened, the first control valve 7 is closed, system's refrigerant controlled temperature cabinet heat exchanger 4 that do not circulate, and by the first by-passing valve 9 and 5 circulations of room conditioning heat exchanger, room conditioning heat exchanger 5 and indoor environment heat exchange are realized the function of air-conditioning adjusting indoor environment temperature, refrigeration flows to such as the solid line arrow, heats such as dotted arrow to flow to.And in the controlled temperature cabinet inner space, indoor temperature control case heat exchanger 4, indoor environment, room conditioning evaporimeter 5 be provided with the temperature-sensitive bag, can automatically detect the running status that real time temperature comes automatic regulating system.
Present embodiment is except following characteristics, other are all identical with embodiment 3: as shown in Figure 5, position between room conditioning heat exchanger 5 and the indoor temperature control case heat exchanger 4 is provided with the second control valve 8 to the pipeline at compressor 1 entrance position, this control valve arranges the front with room conditioning heat exchanger 5; Position between room conditioning heat exchanger 5 and the indoor temperature control case heat exchanger 4 is provided with a bypass line to the pipeline at compressor 1 entrance position, be provided with the second by-passing valve 10 at this bypass line.This kind system can realize simultaneously operation function of controlled temperature cabinet and air-conditioning, and as shown in Figure 5, this moment, the first control valve 7 and the second control valve 8 were opened, and the first by-passing valve 9 and the second by-passing valve 10 are closed; Can realize that also the air-conditioning list opens function, as shown in Figure 6, this moment, the first control valve 7 and the second by-passing valve 10 were closed, and the second control valve 8 and the first by-passing valve 9 are opened; Can realize that also the temperature adjustment packing list opens function, as shown in Figure 7, this moment, the first control valve 7 and the second by-passing valve 10 were opened, and the second control valve 8 and the first by-passing valve 9 are closed.Solid arrow is depicted as air conditioner refrigerating/controlled temperature cabinet cold storage function, and dotted arrow is depicted as air-conditioning heating/controlled temperature cabinet heating function.
Compressor is preferably frequency-changeable compressor, and the throttle mechanism of employing is electric expansion valve.Compressor selects frequency-changeable compressor and throttle mechanism to select electric expansion valve, can effectively regulate in real time compressor frequency and system's refrigerant circulation flow.The concrete method of operation such as following.
The method of operation one, air-conditioning and controlled temperature cabinet are opened simultaneously, as shown in Figure 5, the first by-passing valve 9 and the second by-passing valve 10 are closed, the first control valve 7 and the second control valve 8 are opened, room conditioning heat exchanger 5 provides heat or cold to room air, simultaneously, indoor temperature control case heat exchanger 4 correspondences heat or cold be provided.The frequency P1 of compressor 1 is between 5HZ-150HZ in this implementation procedure, the flow I1 of electric expansion valve 3 is between 0-100%, because when indoor temperature control case and air-conditioning are opened refrigeration/refrigeration simultaneously, the room conditioning heat exchanger needs larger flow to reduce indoor environment temperature, and controlled temperature cabinet need to reduce the controlled temperature cabinet internal temperature than the low discharge lower temperature.This moment, system can take into account the cold medium flux of air-conditioning and controlled temperature cabinet simultaneously, and effectively regulating system is in a comparatively desirable state.Solid arrow is depicted as air conditioner refrigerating, controlled temperature cabinet cold storage function, and dotted arrow is depicted as air-conditioning heating, controlled temperature cabinet heating function.
The method of operation two, singly turn on the aircondition, as shown in Figure 6, when air-conditioning and the operation of controlled temperature cabinet all-in-one, the second by-passing valve 10 and the first control valve 7 are closed, and the second control valve 8 and the first by-passing valve 9 are opened, room conditioning heat exchanger 5 provides heat or cold to room air, the controlled temperature cabinet function is not opened, and system can be devoted to regulate room temperature fully, needn't take the controlled temperature cabinet function in different temperatures interval into account.Under identical external condition, the flow of the frequency of compressor 1 and electric expansion valve 3 is greater than or the value when equaling air-conditioning and controlled temperature cabinet and working simultaneously.The compressor frequency P2 of this moment between 10HZ-150HZ, expansion valve opening I2 is at 10%-100%, P2 〉=P1, I2 〉=I1.This moment, the air-conditioning efficiency was high, indoor environment temperature is regulated fast because singly turn on the aircondition.Solid arrow is depicted as the air conditioner refrigerating function among the figure, and dotted arrow is depicted as the air-conditioning heating function.
The method of operation three is singly opened the controlled temperature cabinet function, as shown in Figure 7, during described air-conditioner operation, the second by-passing valve 10 and the first control valve 7 are opened, and the second control valve 8 and the first by-passing valve 9 are closed, and indoor temperature control case heat exchanger 4 provides heat or cold to the controlled temperature cabinet space.The controlled temperature cabinet function is opened in this circulatory system, and air conditioning function is closed, and system can be devoted to regulate the controlled temperature cabinet temperature fully, needn't take the air conditioning function in different temperatures interval into account.The required temperature of controlled temperature cabinet is lower; so the required flow of refrigerant is also less in the system; the flow of electric expansion valve 3 is less than or the value when equaling air-conditioning and controlled temperature cabinet and working simultaneously; consider simultaneously the defencive function after controlled temperature cabinet operate power and flow reduce; the frequency of compressor 1 is less than or the value when equaling air-conditioning and controlled temperature cabinet and working simultaneously; the compressor frequency P3 of this moment between 5HZ-60HZ, expansion valve opening I3 is in 0-50%, and P3≤P1≤P2, I3≤I1≤I2.Solid arrow is depicted as controlled temperature cabinet case cold storage function, and dotted arrow is depicted as the controlled temperature cabinet heating function.
Above-described embodiment is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model.Be that all equalizations of doing according to the utility model content change and modification, all contained by the utility model claim scope required for protection.
Claims (7)
1. a tandem air-conditioning and controlled temperature cabinet all-in-one, comprise the medium circulation pipeline system that compressor, room conditioning heat exchanger, indoor temperature control case heat exchanger, throttle mechanism and outdoor heat exchanger form, it is characterized in that: described indoor temperature control case heat exchanger and room conditioning heat exchanger sequentially are connected in series or described room conditioning heat exchanger and indoor temperature control case heat exchanger sequentially are connected in series.
2. tandem air-conditioning according to claim 1 and controlled temperature cabinet all-in-one is characterized in that: described compressor is imported and exported and is connected respectively cross valve, forms refrigeration heat pump system.
3. tandem air-conditioning according to claim 1 and controlled temperature cabinet all-in-one, it is characterized in that: described compressor is frequency-changeable compressor, the throttle mechanism of employing is electric expansion valve.
4. according to claim 1 and 2 or 3 described tandem air-conditioning and controlled temperature cabinet all-in-ones, it is characterized in that: described medium circulation pipeline is provided with the first control valve, and this first control valve is used for the break-make that the control refrigerant flows in the controlled temperature cabinet heat exchanger; Be provided with the first bypass line between described throttle mechanism and the room conditioning heat exchanger, be provided with the first by-passing valve at this bypass line.
5. tandem air-conditioning according to claim 4 and controlled temperature cabinet all-in-one, it is characterized in that: described medium circulation pipeline is provided with the second control valve, and this second control valve is used for the break-make that the control refrigerant flows in the room conditioning heat exchanger; Be provided with the second bypass line between described indoor temperature control case heat exchanger and the compressor inlet, be provided with the second by-passing valve at this bypass line.
6. according to claim 1 and 2 or 3 described tandem air-conditioning and controlled temperature cabinet all-in-ones, it is characterized in that: described medium circulation pipeline is provided with the first control valve, and this first control valve is used for the break-make that the control refrigerant flows in the room conditioning heat exchanger; Be provided with the first bypass line between described throttle mechanism and the indoor temperature control case heat exchanger, be provided with the first by-passing valve at this bypass line.
7. tandem air-conditioning according to claim 6 and controlled temperature cabinet all-in-one, it is characterized in that: described medium circulation pipeline is provided with the second control valve, and this second control valve is used for the break-make that the control refrigerant flows in the controlled temperature cabinet heat exchanger; Be provided with the second bypass line between described room conditioning heat exchanger and the compressor inlet, be provided with the second by-passing valve at this bypass line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314309 CN202734103U (en) | 2012-06-29 | 2012-06-29 | Tandem type air conditioner and temperature regulation cabinet all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220314309 CN202734103U (en) | 2012-06-29 | 2012-06-29 | Tandem type air conditioner and temperature regulation cabinet all-in-one machine |
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| CN202734103U true CN202734103U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220314309 Expired - Lifetime CN202734103U (en) | 2012-06-29 | 2012-06-29 | Tandem type air conditioner and temperature regulation cabinet all-in-one machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734885A (en) * | 2012-06-29 | 2012-10-17 | 广东美的电器股份有限公司 | Serial air conditioner and temperature regulating box all-in-one machine and operation control method thereof |
| CN105091171A (en) * | 2015-09-14 | 2015-11-25 | 深圳市福田区青少年科技教育协会 | Air conditioner and refrigerator integrated device |
-
2012
- 2012-06-29 CN CN 201220314309 patent/CN202734103U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734885A (en) * | 2012-06-29 | 2012-10-17 | 广东美的电器股份有限公司 | Serial air conditioner and temperature regulating box all-in-one machine and operation control method thereof |
| CN102734885B (en) * | 2012-06-29 | 2015-02-25 | 美的集团股份有限公司 | Serial air conditioner and temperature regulating box all-in-one machine and operation control method thereof |
| CN105091171A (en) * | 2015-09-14 | 2015-11-25 | 深圳市福田区青少年科技教育协会 | Air conditioner and refrigerator integrated device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131205 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131205 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee before: GD MIDEA HOLDING CD., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |