CN205373120U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN205373120U CN205373120U CN201620106076.7U CN201620106076U CN205373120U CN 205373120 U CN205373120 U CN 205373120U CN 201620106076 U CN201620106076 U CN 201620106076U CN 205373120 U CN205373120 U CN 205373120U
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- expansion valve
- compressor
- air conditioning
- conditioning system
- vaporizer
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 50
- 238000005338 heat storage Methods 0.000 claims abstract description 7
- 239000006200 vaporizer Substances 0.000 claims description 45
- 230000001172 regenerating effect Effects 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 15
- 230000008020 evaporation Effects 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 239000011232 storage material Substances 0.000 claims description 4
- 238000010257 thawing Methods 0.000 abstract description 14
- 239000012530 fluid Substances 0.000 description 26
- 238000010438 heat treatment Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000009825 accumulation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioning system, including evaporimeter, compressor, condenser and the major loop expansion valve that is located the major loop, still include: the heat storage device is connected in series between the compressor and the condenser; the flow direction switching device is arranged on a main loop of the air conditioning system and used for switching the flow direction of the evaporator communicated with the inlet end and the outlet end of the compressor; the defrosting pipeline is connected between the connection end of the evaporator and the main loop expansion valve and the inlet end of the compressor, and the heat storage device is connected to the defrosting pipeline; the defrosting pipeline is connected with a defrosting expansion valve in series, one end of the defrosting expansion valve is connected with the evaporator, and the other end of the defrosting expansion valve is connected with the heat storage device. The utility model provides an air conditioning system has effectively improved user's use comfort.
Description
Technical field
This utility model relates to technical field of heat exchange equipment, particularly to a kind of air conditioning system.
Background technology
Air-cooled air conditioning system is when outdoor temperature is relatively low during heating operation, and the heat exchanger as vaporizer is positioned at outdoor, with air heat-exchange, it is easy in surface frosting.Especially finned heat exchanger, very easily in fin surface frosting, affects the heat exchange efficiency of vaporizer, thus affecting heating effect and the operational reliability of air conditioning system.
At present, conventional defrost mode is: utilizes cross valve to commutate, makes air conditioning system reverse cycle defrosting.But, in defrost process, the heat exchanger being positioned at indoor set is in heat absorption state, namely uses as vaporizer.The water temperature inside fluctuation of indoor set heat exchanger is very big, has a strong impact on user's comfort.
Therefore, how to improve comfort, become the important technological problems that those skilled in the art are urgently to be resolved hurrily.
Utility model content
In view of this, this utility model provides a kind of air conditioning system, to improve comfort.
For achieving the above object, this utility model provides following technical scheme:
A kind of air conditioning system, including being positioned at the vaporizer of major loop, compressor, condenser and main circuit expansion valve, also includes:
Regenerative apparatus, described regenerative apparatus is series between described compressor and described condenser；
It is arranged on the major loop of described air conditioning system, flows to switching device for what switch that described vaporizer connects the entrance point of described compressor and the port of export；
Being connected to the defrost pipeline between the link of described vaporizer and described main circuit expansion valve and the entrance point of described compressor, described regenerative apparatus is connected on described defrost pipeline；Being connected with defrost expansion valve on described defrost pipeline, one end of described defrost expansion valve is connected with described vaporizer, and the other end of described defrost expansion valve is connected with described regenerative apparatus.
Preferably, in above-mentioned air conditioning system, in described regenerative apparatus, it is provided with phase change heat storage material.
Preferably, in above-mentioned air conditioning system, described condenser is full-liquid type case tube heat exchanger.
Preferably, in above-mentioned air conditioning system, also include the electric heater unit being arranged on the input channel of described compressor.
Preferably, in above-mentioned air conditioning system, also include being arranged on described input channel, for detecting pressure transducer and the temperature sensor of the suction superheat of described compressor.
Preferably, in above-mentioned air conditioning system, the subcooler that also includes being arranged between described condenser with described main circuit expansion valve, run through described subcooler and connect with the gas supplementing opening of described compressor increase enthalpy pipeline and be arranged at the increasing enthalpy expansion valve on described increasing enthalpy pipeline.
Preferably, in above-mentioned air conditioning system, also including the flash evaporation connected with the gas supplementing opening of described compressor, described main circuit expansion valve replaces with the first expansion valve and the second expansion valve；
Described first expansion valve is arranged at described flash evaporation with on the connection pipeline of described condenser, and described second expansion valve is arranged on the connection pipeline of described flash evaporation and described vaporizer.
Preferably, in above-mentioned air conditioning system, also include the gas-liquid separator being arranged on the input channel of described compressor；
Described gas-liquid separator is connected in series with on described defrost pipeline.
Preferably, in above-mentioned air conditioning system, the described switching device that flows to is electric T-shaped valve.
Preferably, in above-mentioned air conditioning system, the described switching device that flows to includes two electromagnetic valves, is respectively arranged at the first electromagnetic valve between the other end of described vaporizer and the port of export of described compressor and the second electromagnetic valve being arranged between the other end of described vaporizer and the entrance point of described compressor.
From technique scheme it can be seen that the air conditioning system of this utility model offer, in heating operations, defrost expansion valve cuts out and the unlatching of main circuit expansion valve, flows to the state that switching device switches to the entrance point of vaporizer connection compressor.High temperature fluid (high-temperature exhaust air) in the output channel of compressor is through regenerative apparatus, regenerative apparatus accumulation heat；Then, fluid enters condenser condensation heat release；Throttle then through main circuit expansion valve；Finally enter evaporation endothermic in vaporizer, be then back into being compressed through compressor.
In defrost process, defrost expansion valve opens and the cut out of main circuit expansion valve, flows to the state that switching device switches to the port of export of vaporizer connection compressor.High temperature fluid (high-temperature exhaust air) in the output channel of compressor enters vaporizer and carries out condensation heat release；Entering back in defrost pipeline, flow to regenerative apparatus place after defrost expansion valve throttles, fluid carries the heat of regenerative apparatus accumulation and flow to the entrance point of compressor, then is entered vaporizer by the output channel of compressor and carry out condensation heat release.Condensed in vaporizer by fluid, serve the defrosting effect to vaporizer.
The air conditioning system that this utility model provides, it is to avoid the operation of the reverse defrost of cross valve is set, it also avoid the situation that the condenser of heating indoor uses as vaporizer.Therefore, it is to avoid in the defrosting process decline of the temperature of fluid in condenser, it is effectively increased the comfort of user.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The first structural representation of the air conditioning system that Fig. 1 provides for this utility model embodiment；
The second structural representation of the air conditioning system that Fig. 2 provides for this utility model embodiment；
The third structural representation of the air conditioning system that Fig. 3 provides for this utility model embodiment；
4th kind of structural representation of the air conditioning system that Fig. 4 provides for this utility model embodiment.
Detailed description of the invention
This utility model provides a kind of air conditioning system, to improve comfort.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to the first structural representation of the air conditioning system that Fig. 1, Fig. 1 provide for this utility model embodiment.
This utility model embodiment provides a kind of air conditioning system, including vaporizer 1, compressor 6, regenerative apparatus 5, defrost pipeline, condenser 4, defrost expansion valve 2, flows to switching device and main circuit expansion valve 3.Vaporizer 1, compressor 6, condenser 4, main circuit expansion valve 3 and flow to switching device and be positioned on the major loop of air conditioning system, regenerative apparatus 5, regenerative apparatus is series between compressor 6 and condenser 4；Flow to switching device and connect entrance point and the port of export of compressor 6 for switching vaporizer 1.Defrost pipeline is connected to the entrance point of the vaporizer 1 link with main circuit expansion valve 3 and compressor 6.Regenerative apparatus 5 is connected on defrost pipeline, and its interior fluid occurs heat exchange to absorb heat in regenerative apparatus 5.Being connected with defrost expansion valve 2 on defrost pipeline, one end of defrost expansion valve 2 is connected with vaporizer 1, and the other end of defrost expansion valve 2 is connected with regenerative apparatus 5.
This utility model embodiment provide air conditioning system, in heating operations, defrost expansion valve 2 cuts out and main circuit expansion valve 3 is opened, flow to switching device and switch to the state that vaporizer 1 connects the entrance point of compressor 6.High temperature fluid (high-temperature exhaust air) in the output channel of compressor 6 is through regenerative apparatus 5, regenerative apparatus 5 accumulation heat；Then, fluid enters condenser condensation heat release；Throttle then through main circuit expansion valve 3；Finally enter evaporation endothermic in vaporizer 1, be then back into being compressed through compressor 6.
In defrost process, defrost expansion valve 2 is opened and main circuit expansion valve 3 cuts out, and flows to switching device and switches to the state that vaporizer 1 connects the port of export of compressor 6.High temperature fluid (high-temperature exhaust air) in the output channel of compressor 6 enters vaporizer 1 and carries out condensation heat release；Entering back in defrost pipeline, flow to regenerative apparatus 5 place after defrost expansion valve 2 throttles, fluid carries the heat of regenerative apparatus 5 accumulation and flow to the entrance point of compressor 6, then is entered vaporizer 1 by the output channel of compressor 6 and carry out condensation heat release.Condensed in vaporizer 1 by fluid, serve the defrosting effect to vaporizer 1.
The air conditioning system that this utility model embodiment provides, it is to avoid the operation of the reverse defrost of cross valve is set, it also avoid the situation that the condenser 4 of heating indoor uses as vaporizer.Therefore, it is to avoid in the defrosting process decline of the temperature of fluid in condenser 4, it is effectively increased the comfort of user.
It should be noted that solid arrow direction is the flow direction of fluid in heating operations in figure, dotted arrow is the flow direction of defrost process medium fluid.The major loop direction of air conditioning system be sequentially pass through compressor 6, the output channel of compressor, condenser 4, main circuit expansion valve 3, vaporizer 1, the input channel of compressor and compressor 6 circulate structure.Wherein, regenerative apparatus 5 and compressor 6 can separate be arranged, and regenerative apparatus 5 is connected in series with on the output channel of compressor 6, in order to the heat of the fluid in the output channel of absorption compressor 6.Facilitate the maintenance maintenance of the two.
In order to improve accumulation of heat effect, in regenerative apparatus 5, it is provided with phase change heat storage material.The non-phase change heat storage materials such as water can also be set in regenerative apparatus 5, equally possible play accumulation of heat effect, be not particularly limited at this and all within protection domain.
Condenser 4 is full-liquid type case tube heat exchanger.Without being used as vaporizer by condenser 4 during due to defrosting, therefore, it is possible to use full-liquid type case tube heat exchanger, it is absent from the problem of system oil return when full-liquid type case tube heat exchanger is as vaporizer during use cross valve switching reverse defrost.Compared with dry type package device, it is effectively increased heating effect.It is of course also possible to adopt dry type package device or other heat-exchanger rigs as condenser 4, it is only necessary to guarantee to meet heating needs.
The air conditioning system that this utility model embodiment provides also includes the electric heater unit 7 being arranged on the input channel of compressor 6.By arranging electric heater unit 7, the fluid flowing into compressor 6 is heated, it is ensured that defrosting process enters the suction superheat of the fluid of compressor 6, and then ensure that compressor reliability service.
In order to avoid electric heater unit 7 is opened when fluid meets suction superheat, saves energy, air conditioning system also includes being arranged on input channel, and for detecting the detecting device of the suction superheat of compressor 6, detecting device and electric heater unit 7 communicate to connect.Under defrosting state, detect the suction superheat of fluid in input channel by detecting device.When detected value meet require time, then electric heater unit 7 need not be opened, and fluid flows directly into compressor 6；When detected value is lower than required value, then opening electric heater unit 7, convection cell flows into compressor 6 again after being heated, be effectively ensured the demand of suction superheat, and then ensure that the reliability of compressor.
Preferably, detecting device includes pressure transducer and temperature sensor, draws suction superheat by the two detection numerical value.Other devices can also be adopted, be not particularly limited at this.
As shown in Figure 2, in the second embodiment, subcooler 10 that air conditioning system also includes being arranged between condenser 4 with main circuit expansion valve 3, penetrate cooler 10 and the gas supplementing opening with compressor 6 connects and increases enthalpy pipeline and be arranged at the increasing enthalpy expansion valve 11 increased on enthalpy pipeline.By above-mentioned setting, it is effectively increased heat exchange amount and system effectiveness.In the present embodiment, downstream is adopted to take the mode of liquid, i.e. the one end increasing enthalpy pipeline is connected between subcooler 10 and main circuit expansion valve 3, and its other end is connected to the fluid infusion mouth place of compressor 6.Upstream can also be adopted to take the mode of liquid, i.e. the one end increasing enthalpy pipeline is connected between subcooler 10 and condenser 4, and its other end is connected to the fluid infusion mouth place of compressor 6.
As it is shown on figure 3, in the third embodiment, air conditioning system also includes the flash evaporation 13 connected with the gas supplementing opening of compressor 6, main circuit expansion valve 3 replaces with the first expansion valve 12 and the second expansion valve 14；First expansion valve 12 is arranged at flash evaporation 13 with on the connection pipeline of condenser 4, and the second expansion valve 14 is arranged on the connection pipeline of flash evaporation 13 and vaporizer 1.The stability that before ensureing throttling, fluid flows, has enough degree of supercoolings, is effectively increased system effectiveness.
In order to make compressor stable operation, it is to avoid compressor 6 band hydraulic compression, air conditioning system also includes the gas-liquid separator 8 being arranged on the input channel of compressor 6；Gas-liquid separator 8 is connected in series with on defrost pipeline.It is understood that in heating operations, fluid needs also exist for flowing into compressor 6 again through gas-liquid separator 8.In the present embodiment, in defrost process and heating operations, fluid all requires over gas-liquid separator 8 and flows into compressor 6 again, effectively prevent the compressor 6 situation with hydraulic compression, improves its safety in utilization.
As it is shown in figure 1, for the ease of assembling, reduce amount of parts, flowing to switching device is electric T-shaped valve 9.Namely.First end of electric T-shaped valve 9 connects with the other end of vaporizer 1, and the second end connects with the entrance point of compressor 6, the port of export of the 3rd end and compressor 6.
As shown in Figure 4, in the 4th kind of embodiment, flow to switching device and include two electromagnetic valves, be respectively arranged at the first electromagnetic valve 15 between the other end of vaporizer 1 and the port of export of compressor 6 and the second electromagnetic valve 16 being arranged between the other end of vaporizer 1 and the entrance point of compressor 6.In defrost process, the first electromagnetic valve 15 is opened and the second electromagnetic valve 16 cuts out；In heating operations, the first electromagnetic valve 15 cuts out and the second electromagnetic valve 16 is opened.By being provided separately, facilitate maintenance and repair operation.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. an air conditioning system, including being positioned at the vaporizer (1) of major loop, compressor (6), condenser (4) and main circuit expansion valve (3), it is characterised in that also include:
Regenerative apparatus (5), described regenerative apparatus (5) is series between described compressor (6) and described condenser (4)；
It is arranged on the major loop of described air conditioning system, is used for switching that described vaporizer (1) connects the entrance point of described compressor (6) and the port of export flows to switching device；
Being connected to the defrost pipeline between the link of described vaporizer (1) and described main circuit expansion valve (3) and the entrance point of described compressor (6), described regenerative apparatus (5) is connected on described defrost pipeline；Described defrost pipeline is connected with defrost expansion valve (2), one end of described defrost expansion valve (2) is connected with described vaporizer (1), and the other end of described defrost expansion valve (2) is connected with described regenerative apparatus (5).
2. air conditioning system according to claim 1, it is characterised in that described regenerative apparatus is provided with phase change heat storage material in (5).
3. air conditioning system according to claim 1, it is characterised in that described condenser (4) is full-liquid type case tube heat exchanger.
4. air conditioning system according to claim 1, it is characterised in that also include the electric heater unit (7) being arranged on the input channel of described compressor (6).
5. air conditioning system according to claim 4, it is characterised in that also include being arranged on described input channel, is used for detecting pressure transducer and the temperature sensor of the suction superheat of described compressor (6).
6. air conditioning system according to claim 1, it is characterized in that, the subcooler (10) that also includes being arranged between described condenser (4) with described main circuit expansion valve (3), run through described subcooler (10) and connect with the gas supplementing opening of described compressor (6) increase enthalpy pipeline and be arranged at increasing enthalpy expansion valve (11) on described increasing enthalpy pipeline.
7. air conditioning system according to claim 1, it is characterized in that, also including the flash evaporation (13) connected with the gas supplementing opening of described compressor (6), described main circuit expansion valve (3) replaces with the first expansion valve (12) and the second expansion valve (14)；
Described first expansion valve (12) is arranged at described flash evaporation (13) with on the connection pipeline of described condenser (4), and described second expansion valve (14) is arranged on the connection pipeline of described flash evaporation (13) and described vaporizer (1).
8. air conditioning system according to claim 1, it is characterised in that also include the gas-liquid separator (8) being arranged on the input channel of described compressor (6)；
Described gas-liquid separator (8) is connected in series with on described defrost pipeline.
9. the air conditioning system according to any one of claim 1-8, it is characterised in that the described switching device that flows to is electric T-shaped valve (9).
10. the air conditioning system according to any one of claim 1-8, it is characterized in that, the described switching device that flows to includes two electromagnetic valves, is respectively arranged at the first electromagnetic valve (15) between the other end of described vaporizer (1) and the port of export of described compressor (6) and the second electromagnetic valve (16) being arranged between the other end of described vaporizer (1) and the entrance point of described compressor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106076.7U CN205373120U (en) | 2016-02-02 | 2016-02-02 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106076.7U CN205373120U (en) | 2016-02-02 | 2016-02-02 | Air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205373120U true CN205373120U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620106076.7U Active CN205373120U (en) | 2016-02-02 | 2016-02-02 | Air conditioning system |
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| CN (1) | CN205373120U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466114A (en) * | 2016-02-02 | 2016-04-06 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN106288565A (en) * | 2016-10-31 | 2017-01-04 | 广东美的制冷设备有限公司 | Air-conditioning does not shut down defrosting system and method and air-conditioning |
| CN106403423A (en) * | 2016-10-31 | 2017-02-15 | 广东美的制冷设备有限公司 | Air conditioner defrosting system and method and air conditioner |
| CN106482405A (en) * | 2016-09-21 | 2017-03-08 | 珠海格力电器股份有限公司 | Air-cooled heat pump unit and control method, device and system thereof |
| CN112611074A (en) * | 2020-11-30 | 2021-04-06 | 青岛海尔空调电子有限公司 | Air conditioning system and defrosting control method, storage medium and control device thereof |
-
2016
- 2016-02-02 CN CN201620106076.7U patent/CN205373120U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466114A (en) * | 2016-02-02 | 2016-04-06 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN106482405A (en) * | 2016-09-21 | 2017-03-08 | 珠海格力电器股份有限公司 | Air-cooled heat pump unit and control method, device and system thereof |
| CN106482405B (en) * | 2016-09-21 | 2019-01-01 | 珠海格力电器股份有限公司 | Air-cooled heat pump unit and control method, device and system thereof |
| CN106288565A (en) * | 2016-10-31 | 2017-01-04 | 广东美的制冷设备有限公司 | Air-conditioning does not shut down defrosting system and method and air-conditioning |
| CN106403423A (en) * | 2016-10-31 | 2017-02-15 | 广东美的制冷设备有限公司 | Air conditioner defrosting system and method and air conditioner |
| CN112611074A (en) * | 2020-11-30 | 2021-04-06 | 青岛海尔空调电子有限公司 | Air conditioning system and defrosting control method, storage medium and control device thereof |
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| C14 | Grant of patent or utility model | ||
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