CN201363838Y - Energy storage air conditioning unit - Google Patents
Energy storage air conditioning unit Download PDFInfo
- Publication number
- CN201363838Y CN201363838Y CNU2009200506910U CN200920050691U CN201363838Y CN 201363838 Y CN201363838 Y CN 201363838Y CN U2009200506910 U CNU2009200506910 U CN U2009200506910U CN 200920050691 U CN200920050691 U CN 200920050691U CN 201363838 Y CN201363838 Y CN 201363838Y
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- China
- Prior art keywords
- valve
- energy storage
- air conditioner
- indoor
- storage equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000004146 energy storage Methods 0.000 title claims abstract description 42
- 238000004378 air conditioning Methods 0.000 title abstract description 12
- 239000003507 refrigerant Substances 0.000 claims abstract description 25
- 238000009825 accumulation Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 24
- 238000005057 refrigeration Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010726 refrigerant oil Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an energy storage air conditioning unit and working method thereof can solve prior art's weak point, possesses advantages such as the installation is nimble, miniaturized, and through the switch combination of controlling different valves, this air conditioning unit can realize conventional refrigeration, conventional heating, cold-storage, release can refrigerate four kinds of operational mode's switching, and guarantees that the unit reliably moves and reaches best energy-conserving effect. The energy storage air conditioning unit comprises: the system comprises a control system, an outdoor unit, an indoor unit, an energy storage device and a plurality of refrigerant pipelines connected among the outdoor unit, the indoor unit and the energy storage device; the refrigerant circularly flows in the refrigerant pipeline; the outdoor unit includes: the system comprises a compressor, an outdoor heat exchanger and a throttling device; the throttling device comprises a first valve component and a second valve component; the valve component I is formed by connecting an electronic expansion valve I and a check valve I in parallel; and the second valve component is formed by connecting a second one-way valve, a first electromagnetic valve and a second electronic expansion valve in parallel.
Description
Technical field
The utility model belongs to the refrigeration and air-conditioning technical field, is specifically related to system's designing technique of energy accumulation air conditioner unit.
Background technology
Ice storage technology is that investment is less, the accent lotus measure of instant effect, can effectively alleviate the tensity of State Grid's supply.The domestic ice cold-storage relevant item of carrying out is large-scale central air-conditioning project substantially at present, and the ice cold-storage form of employing is varied.But because large-scale central air-conditioning ice cold-storage is compared with the conventional air-conditioning system, ice storage system equipment is huge, the occupation of land space is big, number of devices increases, investment increases, various cooling cold-storage pipeline complexity, control difficulty, and it is great in constructing amount, in the popularization process at home, be subjected to certain restriction, influence ice storage technology further developing in China.
The air-conditioning unit of small-sized ice cold-storage unit of the prior art is made up of the ice cold-storage unit of outdoor unit, indoor units and band valve member.Numerous advantages such as that though this air-conditioning unit possesses is flexible for installation, miniaturizations, the weak point of this ice-chilling air conditioning system is:
1) in heat exchange coil in the accumulation of energy bucket under refrigeration or the heating mode, can retain the cold-producing medium and the lubricating oil of non-quantitative, cause the cold-producing medium and the lubricants capacity of system's operation to be difficult to reach optimum state, influence system's operation;
2) the return-air access point of ice-reserving pattern is between cross valve and the indoor set, must install the cold-producing medium reverse leakage that check valve prevents HTHP behind the ice making magnetic valve additional under heating mode: the system flow resistance under this complex structural designs, poor reliability, the ice-reserving pattern strengthens;
3) various valves are integrated into independently assembly, inconvenient production and transport, more inconvenient control and product certification etc.;
4) for realizing that various pattern conversions need magnetic valve quantity more; and owing to the reverse leakage problem can occur usually behind the existing closed electromagnetic valve; therefore also must adopt check valve and magnetic valve polyphone to use, to prevent that cold-producing medium from from the electromagnetic valve closed reverse leakage, influencing system stable operation.
Therefore, need provide a kind of energy accumulation air conditioner unit that can solve above weak point.
Summary of the invention
The purpose of this utility model is to provide a kind of energy accumulation air conditioner unit, can solve the deficiencies in the prior art part, possess advantages such as flexible for installation, miniaturization, by controlling the switch combination of different valves, this air-conditioning unit can realize that conventional refrigeration, routine heat, cold-storage, release the switching of the four kinds of operational modes of freezing, and guarantees the unit reliability service and reach optimum energy-saving effect.
The utility model is achieved through the following technical solutions:
A kind of energy accumulation air conditioner unit includes: control system, outdoor unit, indoor units, energy storage equipment and be connected in many refrigerant pipes between described outdoor unit, indoor units and the energy storage equipment; Refrigerant circulates in described refrigerant pipe; Described outdoor unit includes: compressor, outdoor heat exchanger and throttling arrangement; Wherein, described throttling arrangement includes valve member one and valve member two; Described valve member one is become with check valve joint group in the lump by electric expansion valve one; Described valve member two by check valve two, magnetic valve one, and electric expansion valve two compose in parallel.
Be connected with fluid reservoir between described valve member one and the valve member two, described valve member one connects the port one of fluid reservoir, and described valve member two connects the port two of fluid reservoir.
Described outdoor unit includes cross valve, and the port one of described cross valve connects indoor units, and port two junction chamber external heat exchangers, port three connect compressor exhaust pipe, port four connects energy storage equipment.
Be provided with magnetic valve two between described energy storage equipment and the cross valve port four; The other end of described energy storage equipment is connected with described valve member two.
The low-pressure end of described compressor is connected with gas-liquid separator, and the arrival end of described gas-liquid separator is connected with energy storage equipment.
Described indoor units includes one or more indoor set, and each indoor set all carries independently electric expansion valve; Each indoor set adopts mode in parallel to connect; Described outdoor unit includes two refrigerant pipes and is connected with indoor units, and described two refrigerant pipes connect the port one and the magnetic valve two of cross valve respectively in described outdoor unit.
Described energy storage equipment includes: insulation construction, heat exchange coil, refrigerant distributor and fixed structure.
To sum up, the beneficial effects of the utility model are:
A kind of energy accumulation air conditioner unit of the present utility model is connected by pipeline between outdoor unit, indoor units and the energy storage equipment, forms energy-storage air conditioner system.By controlling the switch combination of different valves, thereby realize that conventional refrigeration, routine heat, cold-storage, release the operation of the four kinds of operational modes of freezing, cold-producing medium all must can solve the problem that retains of energy storage equipment inner refrigerant and lubricating oil through energy storage equipment under the various patterns.In the cold-storage pattern, the low pressure refrigerant vapor of coming out in the energy storage equipment is through directly turning back to the low pressure return-air mouth back of cross valve behind the magnetic valve two, and check valve is not to prevent the cold-producing medium reverse leakage so magnetic valve need not be contacted, and simplified structure reduces SR; Can solve the problem of cold-producing medium from the magnetic valve reverse leakage.
The technical program adopts magnetic valve only to be two, and the check valve of need contact on magnetic valve uses, can the effective simplification system architecture, reduce SR, the raising system reliability.
Aspect refrigeration system, various cold-producing medium change-over valves are incorporated in the outdoor unit, make things convenient for production, transportation, control and maintenance, product certification etc.;
Energy storage equipment electrical network low ebb period as the evaporimeter cold-storage, peak times of power consumption are as the subcooler of condenser, after being the heat exchange of refrigerant process condenser, enter energy storage equipment again, carry out secondary heat exchange and improve degree of supercooling, improve the whole system performance, increase refrigerating capacity, reduce the idle call electric weight, realize the effect of electric load " peak load shifting ".
Description of drawings
Fig. 1 is the structural representation of a kind of energy accumulation air conditioner unit of the utility model;
Fig. 2 is the refrigeration of a kind of energy accumulation air conditioner unit of the utility model and releases system flow chart under can refrigeration mode;
Fig. 3 is the system flow chart under the heating mode of a kind of energy accumulation air conditioner unit of the utility model;
Fig. 4 is the system flow chart under the cold-storage pattern of a kind of energy accumulation air conditioner unit of the utility model.
Description of reference numerals:
100, outdoor unit, 101, outdoor heat exchanger, 102, compressor, 103, cross valve, 104, magnetic valve two, 105, gas-liquid separator, 106, magnetic valve one, 107, check valve two, 108, electric expansion valve two, 109, fluid reservoir, 110, electric expansion valve one, 111, check valve one, 200, indoor units, 201, indoor heat exchanger, 202, indoor heat exchanger, 203, electric expansion valve three, 204, electric expansion valve four, 300 energy storage equipments.
The specific embodiment
The utility model discloses a kind of energy accumulation air conditioner unit, as shown in Figure 1, include: control system, outdoor unit 100, indoor units 200, energy storage equipment 300 and be connected in many refrigerant pipes between described outdoor unit 100, indoor units 200 and the energy storage equipment 300; Refrigerant circulates in described refrigerant pipe; Described outdoor unit 100 includes: compressor 102, outdoor heat exchanger 101 and throttling arrangement; Wherein, described throttling arrangement includes valve member one and valve member two; Described valve member one is composed in parallel by electric expansion valve 1 and check valve 1; Described valve member two by check valve 2 107, magnetic valve 1, and electric expansion valve 2 108 compose in parallel.
Be connected with fluid reservoir 109 between described valve member one and the valve member two, described valve member one connects the port one of fluid reservoir 109, and described valve member two connects the port two of fluid reservoir.
Described outdoor unit includes cross valve 103, and the port one of described cross valve 103 connects indoor units 200, and port two junction chamber external heat exchangers 101, port three connect compressor 102 blast pipes, port four connects energy storage equipment 300.
Be provided with magnetic valve 2 104 between described energy storage equipment 300 and cross valve 103 ports four; The other end of described energy storage equipment 300 is connected with described valve member two.
The low-pressure end of described compressor 102 is connected with gas-liquid separator 105, and the arrival end of described gas-liquid separator 105 is connected with energy storage equipment 300.
Described indoor units 200 includes one or more indoor set, and each indoor set all carries independently electric expansion valve; Each indoor set adopts mode in parallel to connect; Described outdoor unit 100 includes two refrigerant pipes and is connected with indoor units 200, and described two refrigerant pipes connect the port one and the magnetic valve two of cross valve 103 respectively in described outdoor unit 100.
Described energy storage equipment 300 includes: insulation construction, heat exchange coil, refrigerant distributor and fixed structure.
The specific embodiment:
Referring to Fig. 1, the energy accumulation air conditioner unit that the utility model relates to, it comprises the indoor units and the energy storage equipment of outdoor unit, some parallel connections.This outdoor unit comprises valve member two, the magnetic valve 2 104 that valve member one, check valve 2 107 and magnetic valve 1 that compressor, cross valve, outdoor heat exchanger, electric expansion valve 1 and check valve 1 compose in parallel and electric expansion valve 2 108 are in parallel, also comprises complementary equipment such as fluid reservoir 109 and gas-liquid separator 105.
Described indoor units 200 includes indoor set one and indoor set two; The electric expansion valve 3 203 that described indoor set one includes indoor heat exchanger 201 and is connected in series with indoor heat exchanger 201; The electric expansion valve 4 204 that described indoor set two includes indoor heat exchanger 202 and is connected in series with indoor heat exchanger 202.
These equipment and parts interconnect by the pipeline of various different size shapes.
By controlling the unlatching combination of different valves, thereby realize that conventional refrigeration, routine heat, cold-storage, release the operation of the four kinds of operational modes of freezing, cold-producing medium all must be through energy storage equipment under the various patterns.In the cold-storage pattern, the low pressure refrigerant vapor of coming out in the energy storage equipment enters gas-liquid separator through the low pressure return-air mouth back that directly turns back to cross valve behind the magnetic valve 104.
Energy storage equipment electrical network low ebb period as the evaporimeter cold-storage; Peak times of power consumption after the i.e. refrigerant process condenser heat exchange, enter energy storage equipment as the subcooler of condenser again, carry out secondary heat exchange and improve degree of supercooling, improve the whole system performance, increase refrigerating capacity, reduce the idle call electric weight.
The method of work of energy accumulation air conditioner unit wherein, comprises that conventional refrigeration, routine heat, cold-storage, releases the four kinds of operational modes of freezing:
The valve state of a control of various operational modes is as shown in Table 1 and Table 2:
Valve switch state (general) under each operational mode of table 1.
| Pattern | |
|
Electric expansion valve 2 108 | Magnetic valve 2 104 | Electric expansion valve 3 203 or electric expansion valve 4 204 |
| Refrigeration | / | Open | / | Close | Automatically |
| Heat | Automatically | / | / | Close | Automatically |
| Cold-storage | / | Close | Automatically | Open | / |
| Release and to freeze | / | Open | / | Close | Automatically |
Annotate: the switch of "/" expression valve is little to the influence of system's operation, and opening or close can.
Valve switch state under each operational mode of table 2. (cold-producing medium circulating resistance minimum)
| Pattern | |
|
Electric expansion valve 2 108 | Magnetic valve 2 104 | Electric expansion valve 3 203 or electric expansion valve 4 204 |
| Refrigeration | Standard-sized sheet | Open | Standard-sized sheet | Close | Automatically |
| Heat | Automatically | Open | Standard-sized sheet | Close | Automatically |
| Cold-storage | Standard-sized sheet | Close | Automatically | Open | Standard-sized sheet |
| Release and to freeze | Standard-sized sheet | Open | Standard-sized sheet | Close | Automatically |
Table 1 is the general-purpose system flow process, and the valve combination of table 2 is a kind of special cases in the table 1, can improve the circulation area at corresponding circulation node place, reduces the circulating resistance of cold-producing medium.Can realize storing in freely switching of four kinds of operational modes of energy accumulation air conditioner unit and the energy storage equipment optimum utilization of cold by the control of above valve.According to the on off state of each valve in the table 2, shown in the machine set system flow chart 2,3,4 under four kinds of operational modes, wherein since refrigeration with release can refrigeration mode system flow identical, so all adopt Fig. 2 to represent.
From the combination of table 2 valve state as can be seen, magnetic valve 1 adopts outage normal-open electromagnetic valve, magnetic valve 2 104 to adopt outage closed type magnetic valve to help reducing the switch of valve, improve the service life of valve, and can reduce the power consumption under most patterns.
The indoor and outdoor unit that the utility model adopted can be various forms of direct vaporation-type refrigeration systems; And can adopt various forms of immersion heat exchange coils, heat exchange coil to be immersed among certain liquid in the energy storage equipment, this liquid is not limited to well-known water, glycol water etc.; Obviously, the cold-storage form mentioned of the utility model comprises sensible heat cold-storage and latent heat cold-storage.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection domain of the present utility model.
Claims (10)
1, a kind of energy accumulation air conditioner unit includes: control system, outdoor unit (100), indoor units (200), energy storage equipment (300) and be connected in many refrigerant pipes between described outdoor unit (100), indoor units (200) and the energy storage equipment (300); Refrigerant circulates in described refrigerant pipe; Described outdoor unit (100) includes: compressor (102), outdoor heat exchanger (101) and throttling arrangement; It is characterized in that: described throttling arrangement includes valve member one and valve member two; Described valve member one is composed in parallel by electric expansion valve one (110) and check valve one (111); Described valve member two by check valve two (107), magnetic valve one (106), and electric expansion valve two (108) compose in parallel.
2, a kind of energy accumulation air conditioner unit according to claim 1, it is characterized in that: be connected with fluid reservoir (109) between described valve member one and the valve member two, described valve member one connects the port one of fluid reservoir (109), and described valve member two connects the port two of fluid reservoir.
3, a kind of energy accumulation air conditioner unit according to claim 2, it is characterized in that: described outdoor unit includes cross valve (103), the port one of described cross valve (103) connects indoor units (200), port two junction chamber external heat exchangers (101), port three connect compressor (102) blast pipe, port four connects energy storage equipment (300).
4, a kind of energy accumulation air conditioner unit according to claim 3 is characterized in that: be provided with magnetic valve two (104) between described energy storage equipment (300) and cross valve (103) port four; The other end of described energy storage equipment (300) is connected with described valve member two.
5, a kind of energy accumulation air conditioner unit according to claim 4, it is characterized in that: the low-pressure end of described compressor (102) is connected with gas-liquid separator (105), and the arrival end of described gas-liquid separator (105) is connected with energy storage equipment (300).
6, a kind of energy accumulation air conditioner unit according to claim 5, it is characterized in that: described indoor units (200) includes one or more indoor set, and each indoor set all carries independently electric expansion valve; Each indoor set adopts mode in parallel to connect; Described outdoor unit (100) includes two refrigerant pipes and is connected with indoor units (200), and described two refrigerant pipes connect the port one and the magnetic valve two (104) of cross valve (103) respectively in described outdoor unit (100).
7, a kind of energy accumulation air conditioner unit according to claim 1, it is characterized in that: described energy storage equipment (300) includes: insulation construction, heat exchange coil, refrigerant distributor and fixed structure.
8, a kind of energy accumulation air conditioner unit according to claim 6, it is characterized in that: described indoor units (200) includes indoor set one and indoor set two; The electric expansion valve three (203) that described indoor set one includes indoor heat exchanger (201) and is connected in series with indoor heat exchanger (201); The electric expansion valve four (204) that described indoor set two includes indoor heat exchanger (202) and is connected in series with indoor heat exchanger (202).
9, a kind of energy accumulation air conditioner unit according to claim 4 is characterized in that: described magnetic valve one (106) adopts outage normal-open electromagnetic valve, magnetic valve two (104) to adopt outage closed type magnetic valve.
10, a kind of energy accumulation air conditioner unit according to claim 1 is characterized in that: adopt the immersion heat exchange coil in the described energy storage equipment (300), described heat exchange coil is immersed among the liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200506910U CN201363838Y (en) | 2009-01-22 | 2009-01-22 | Energy storage air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200506910U CN201363838Y (en) | 2009-01-22 | 2009-01-22 | Energy storage air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363838Y true CN201363838Y (en) | 2009-12-16 |
Family
ID=41474505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200506910U Expired - Lifetime CN201363838Y (en) | 2009-01-22 | 2009-01-22 | Energy storage air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363838Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788172B (en) * | 2009-01-22 | 2012-07-25 | 珠海格力电器股份有限公司 | Energy storage air conditioning unit and working method thereof |
| CN104566699A (en) * | 2013-10-10 | 2015-04-29 | 海尔集团公司 | Energy storage multi-connected air conditioning unit and control method thereof |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2009
- 2009-01-22 CN CNU2009200506910U patent/CN201363838Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788172B (en) * | 2009-01-22 | 2012-07-25 | 珠海格力电器股份有限公司 | Energy storage air conditioning unit and working method thereof |
| CN104566699A (en) * | 2013-10-10 | 2015-04-29 | 海尔集团公司 | Energy storage multi-connected air conditioning unit and control method thereof |
| CN104566699B (en) * | 2013-10-10 | 2017-06-20 | 海尔集团公司 | Accumulation of energy multi-variable air conditioning unit and its control method |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091216 Effective date of abandoning: 20090122 |