CN205783481U - Ice thermal storage air conditioning unit - Google Patents

Ice thermal storage air conditioning unit Download PDF

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Publication number
CN205783481U
CN205783481U CN201620510810.6U CN201620510810U CN205783481U CN 205783481 U CN205783481 U CN 205783481U CN 201620510810 U CN201620510810 U CN 201620510810U CN 205783481 U CN205783481 U CN 205783481U
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accumulation
energy
valve
port
air
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CN201620510810.6U
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谢文利
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model discloses a kind of ice thermal storage air conditioning unit, belong to air conditioning unit technical field, design for solving the problems such as existing apparatus storage finite energy.This utility model ice thermal storage air conditioning unit includes accumulation of energy air-cooled heat pump formula device and the accumulation of energy groove being connected, and accumulation of energy air-cooled heat pump formula device includes compressor assembly, air-side heat exchanger and the water-side heat being sequentially connected with by pipeline;Accumulation of energy groove includes air-conditioning refrigerant passage and user side refrigerant passage, and the port of air-conditioning refrigerant passage is connected to accumulation of energy air-cooled heat pump formula device, and the port of user side refrigerant passage is connected to user side.Double medium accumulation of energy grooves of this utility model ice thermal storage air conditioning unit add accumulation of energy capacity, can give full play to accumulation of energy advantage, reduce operating cost, and this ice thermal storage air conditioning unit need not brine pump and i.e. can reach high coefficient of refrigerating performance.

Description

Ice thermal storage air conditioning unit
Technical field
This utility model relates to air conditioning unit technical field, particularly relates to a kind of ice thermal storage air conditioning unit.
Background technology
Ice heat storage technology can play the effect of peak load shifting, can improve night while alleviating power tense The equipment operation efficiency of the Utilities Electric Co. under low electric load, it is also possible to reduce heat pump installed capacity.
Existing air conditioning unit in be provided with the accumulator of single medium (such as cold-producing medium), the amount of accumulation of energy is non- The most limited, it is impossible to give full play to accumulation of energy advantage;It addition, this energy storage equipment only serve supercool overheated effect and Can not realize directly releasing to user the function of cold heat release, be of limited application, floor space is big, and cost is high.
Utility model content
The purpose of this utility model is to propose a kind of ice thermal storage air conditioning unit adding accumulation of energy capacity.
For reaching this purpose, this utility model by the following technical solutions:
A kind of ice thermal storage air conditioning unit, including the accumulation of energy air-cooled heat pump formula device being connected and accumulation of energy groove, institute State compressor assembly, air-side heat exchanger that accumulation of energy air-cooled heat pump formula device includes being sequentially connected with by pipeline And water-side heat;Described accumulation of energy groove includes air-conditioning refrigerant passage and user side refrigerant passage, described air-conditioning The port of coolant channel is connected to described accumulation of energy air-cooled heat pump formula device, described user side refrigerant passage Port is connected to user side.
Particularly, the first port of described accumulation of energy groove is connected to air-side heat exchanger the second end;Described accumulation of energy groove The second port by control valve regulation be connected to described compressor assembly or be connected to water-side heat second End;3rd port and the 4th port of described accumulation of energy groove are respectively connecting to user side;In described accumulation of energy groove, First port and the second port are connected, and form air-conditioning refrigerant passage;Described 3rd port and the 4th port It is connected, forms user side refrigerant passage.
Particularly, described compressor assembly includes compressor, cross valve and the gas-liquid being sequentially connected with by pipeline Separator;Described compressor is connected to the D end of described cross valve, and described gas-liquid separator is connected to described four The B end of logical valve.
Further, air-side heat exchanger the first end is connected to the C end of described cross valve;Air-side heat exchanger Two ends are connected to water-side heat the second end by the first check valve, the first electromagnetic valve and the 3rd electromagnetic valve;Logical Cross the first check valve, the first electromagnetic valve and the second electromagnetic valve and be connected to the first port of described accumulation of energy groove;Pass through Second check valve, the first electromagnetic valve and the 3rd check valve are connected to the first port of described accumulation of energy groove;By Two check valves, the first electromagnetic valve, the 3rd check valve and the 8th electromagnetic valve are connected to described water-side heat second End.
Further, between described first check valve and the first electromagnetic valve, it is provided with high pressure fluid reservoir.
Particularly, it is provided with reducer between air-side heat exchanger the second end and the second check valve.
Particularly, water-side heat the first end is connected to the A end of described cross valve by the 5th electromagnetic valve;Logical Cross the 6th electromagnetic valve and be connected to the A end of described cross valve;Described water-side heat the second end passes through the 7th electromagnetism Valve is connected to the second port of described accumulation of energy groove.
Further, the second port of described accumulation of energy groove is connected to the A end of described cross valve by the 4th electromagnetic valve.
The accumulation of energy groove of this utility model ice thermal storage air conditioning unit includes that air-conditioning refrigerant passage and user side coolant lead to Road, air-conditioning refrigerant passage is used for the air-conditioning refrigerant that circulates, and user side refrigerant passage is for circulating from user side The coolant (such as water) of turnover, the accumulation of energy groove of this pair of medium adds accumulation of energy capacity, can give full play to accumulation of energy excellent Gesture, reduction operating cost, this ice thermal storage air conditioning unit need not brine pump and i.e. can reach high coefficient of refrigerating performance. By accumulation of energy groove and air conditioning unit being made of one structure, reduce cost, decrease floor space, it is simple to pipe Reason.
Accompanying drawing explanation
Fig. 1 is that the components and parts annexation of the ice thermal storage air conditioning unit that this utility model preferred embodiment provides is shown It is intended to;
Fig. 2 is the ice thermal storage air conditioning unit that this utility model preferred embodiment provides refrigeration when being in refrigeration mode The flow circuits schematic diagram of agent;
Fig. 3 is that the ice thermal storage air conditioning unit that this utility model preferred embodiment provides is in cold-storage pattern or defrosting The flow circuits schematic diagram of cold-producing medium during pattern;
Fig. 4 is that the ice thermal storage air conditioning unit that this utility model preferred embodiment provides is in cold-storage and adds refrigeration mode Time cold-producing medium flow circuits schematic diagram;
Fig. 5 is the ice thermal storage air conditioning unit that this utility model preferred embodiment provides refrigeration when being in accumulation of heat pattern The flow circuits schematic diagram of agent;
Fig. 6 is the ice thermal storage air conditioning unit that this utility model preferred embodiment provides refrigeration when being in heating mode The flow circuits schematic diagram of agent;
Fig. 7 is that the ice thermal storage air conditioning unit that this utility model preferred embodiment provides is in heat and adds accumulation of heat pattern Time cold-producing medium flow circuits schematic diagram.
In figure:
1, accumulation of energy air-cooled heat pump formula device;2, accumulation of energy groove;3, air-side heat exchanger;4, water side heat exchange Device;7, high pressure fluid reservoir;8, compressor;9, cross valve;10, gas-liquid separator;11, reducer; 21, the first port;22, the second port;23, the 3rd port;24, the 4th port;31, air side is changed Hot device the first end;32, air-side heat exchanger the second end;41, water-side heat the first end;42, water side is changed Hot device the second end;51, the first check valve;52, the second check valve;53, the 3rd check valve;61, first Electromagnetic valve;62, the second electromagnetic valve;63, the 3rd electromagnetic valve;64, the 4th electromagnetic valve;65, the 5th electromagnetism Valve;66, the 6th electromagnetic valve;67, the 7th electromagnetic valve;68, the 8th electromagnetic valve.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.
Preferred embodiment:
The open a kind of ice thermal storage air conditioning unit of this preferred embodiment.As it is shown in figure 1, this ice thermal storage air conditioning unit Including the accumulation of energy air-cooled heat pump formula device 1 being connected and accumulation of energy groove 2.Wherein, accumulation of energy air-cooled heat pump formula fills Put 1 compressor assembly, air-side heat exchanger 3 and the water-side heat 4 including being sequentially connected with by pipeline;Store Can include air-conditioning refrigerant passage and user side refrigerant passage by groove 2, the port of air-conditioning refrigerant passage is connected to Accumulation of energy air-cooled heat pump formula device 1, the port of user side refrigerant passage is connected to user side.
The control method of this ice thermal storage air conditioning unit is to be passed through coolant in the user side refrigerant passage of accumulation of energy groove 2 (such as water), the coolant in user side refrigerant passage acts on the cold-producing medium in air-conditioning refrigerant passage simultaneously, Can strengthen the accumulation of energy capacity of accumulation of energy groove 2, the accumulation of energy groove 2 using volume less i.e. can reach, even better than The working effect of single coolant accumulation of energy groove of large volume;Meanwhile, in user side refrigerant passage, coolant after heat exchange can To flow into user side, for user for cooling-heating, it is achieved the effect identical with water-side heat 4, enhance this Ice thermal storage air conditioning unit cooling-heat capacity to user side.Improve accumulation of energy utilization rate, given full play to store Energy advantage, reduces running cost, improves the running efficiency of Utilities Electric Co.'s equipment.
Connected mode between accumulation of energy groove 2 and accumulation of energy air-cooled heat pump formula device 1 does not limits, can realize cold-storage, Heat accumulation function.Preferably, the first port 21 of accumulation of energy groove 2 is connected to air-side heat exchanger the second end 32, Second port 22 of accumulation of energy groove 2 is connected to compressor assembly by control valve regulation or is connected to water-side heat Second end 42;3rd port 23 of accumulation of energy groove 2 and the 4th port 24 are respectively connecting to user side.In accumulation of energy In groove 2, the first port 21 is connected with the second port 22, forms air-conditioning refrigerant passage;3rd port 23 are connected with the 4th port 24, form user side refrigerant passage.
The preferred structure of compressor assembly includes compressor 8, cross valve 9 and the gas-liquid being sequentially connected with by pipeline Separator 10.Wherein, the gas outlet of compressor 8 is connected to the D end of described cross valve 9, gas-liquid separator The 10 B ends being connected to cross valve 9.
On the basis of said structure, air-side heat exchanger the first end 31 is connected to the C end of cross valve 9;Empty Gas side heat exchanger the second end 32 is connected by first check valve the 51, first electromagnetic valve 61 and the 3rd electromagnetic valve 63 To water-side heat the second end 42;By the first check valve the 51, first electromagnetic valve 61 and the second electromagnetic valve 62 It is connected to the first port 21 of accumulation of energy groove 2;Single by second check valve the 52, first electromagnetic valve 61 and the 3rd The first port 21 of accumulation of energy groove 2 it is connected to valve 53;By second check valve the 52, first electromagnetic valve 61, 3rd check valve 53 and the 8th electromagnetic valve 68 are connected to water-side heat the second end 42.
That is, air-side heat exchanger the second end 32 can have multiple connected mode, be connected to different device (water Side heat exchanger the second end 42 or the first port 21 of accumulation of energy groove 2), open according to the valve such as check valve, electromagnetic valve Close the difference selected, said connecting path will have one or more connection, other path to turn off.
In view of this ice thermal storage air conditioning unit has the cold-producing medium needed for multiple-working mode, every kind of mode of operation Amount difference, so arranging high pressure fluid reservoir 7 between the first check valve 51 and the first electromagnetic valve 61, utilizes height Pressure fluid reservoir 7 regulates the amount of cold-producing medium.No matter which kind of pattern this ice thermal storage air conditioning unit is operated under, high Pressure fluid reservoir 7 is in the flow cycle of cold-producing medium all the time.
In order to adjust the flowing velocity of cold-producing medium, preferably unidirectional at air-side heat exchanger the second end 32 and second Reducer 11 is set between valve 52.Reducer 11 can be capillary tube, heating power expansion valve, electric expansion valve Or other device.
On the basis of said structure, water-side heat the first end 41 is connected to four by the 5th electromagnetic valve 65 The A end of logical valve 9;The A end of cross valve 9 it is connected to by the 6th electromagnetic valve 66;Water-side heat the second end 42 are connected to the second port 22 of accumulation of energy groove 2 by the 7th electromagnetic valve 67.
On the basis of said structure, the second port 22 of accumulation of energy groove 2 is connected to by the 4th electromagnetic valve 64 The A end of cross valve 9.
In view of the electromagnetic valve of one-way flow generally all can exist the phenomenon of reverse leakage, therefore this ice after cut out In thermal storage air conditioning unit, each electromagnetic valve is in series with check valve (check (non-return) valve) directly or indirectly, to avoid system Cryogen reverse leakage.
When ice thermal storage air conditioning unit is in refrigeration mode, the flow circuits of cold-producing medium is as shown in thick line in Fig. 2: Opening the first electromagnetic valve the 61, the 3rd electromagnetic valve 63 and the 5th electromagnetic valve 65, the cold-producing medium of High Temperature High Pressure is from pressure Contracting machine 8 enters air-side heat exchanger 3 through cross valve 9, and condensed cold-producing medium sequentially passes through the first check valve 51, high pressure fluid reservoir the 7, first electromagnetic valve 61 and the 3rd electromagnetic valve 63 enter water-side heat 4, after heat exchange Cold-producing medium flow back into compressor 8 through cross valve 9 and gas-liquid separator 10.
When ice thermal storage air conditioning unit is in cold-storage pattern, the flow circuits of cold-producing medium is as shown in thick line in Fig. 3: Opening the first electromagnetic valve the 61, second electromagnetic valve 62 and the 4th electromagnetic valve 64, the cold-producing medium of High Temperature High Pressure is from pressure Contracting machine 8 enters air-side heat exchanger 3 through cross valve 9, and condensed cold-producing medium passes sequentially through the first check valve 51, high pressure fluid reservoir the 7, first electromagnetic valve 61 and the second electromagnetic valve 62 enter accumulation of energy groove 2, at accumulation of energy groove 2 Middle refrigerant heat exchanger ice making, the cold-producing medium after heat exchange is through the 4th electromagnetic valve 64, cross valve 9 and gas-liquid separator 10 flow back into compressor 8.
When ice thermal storage air conditioning unit is in defrosting mode, the flow route of cold-producing medium is identical with during cold-storage pattern.
When ice thermal storage air conditioning unit is in thick line during the flow circuits of cold-producing medium is such as Fig. 4 when cold-storage adds refrigeration mode Shown in: open first electromagnetic valve the 61, second electromagnetic valve the 62, the 3rd electromagnetic valve the 63, the 4th electromagnetic valve 64 and 5th electromagnetic valve 65, the cold-producing medium of High Temperature High Pressure enters air-side heat exchanger 3 from compressor 8 through cross valve 9, Condensed cold-producing medium be divided into two-way, the first via pass sequentially through the first check valve 51, high pressure fluid reservoir 7, One electromagnetic valve 61 and the second electromagnetic valve 62 enter accumulation of energy groove 2, heat exchange ice making in accumulation of energy groove 2;Second tunnel depends on Secondary enter water through the first check valve 51, high pressure fluid reservoir the 7, first electromagnetic valve 61 and the 3rd electromagnetic valve 63 Side heat exchanger 4, heat exchange chilled water in water-side heat 4;Two-way cold-producing medium converges at cross valve 9, warp Gas-liquid separator 10 flows back into compressor 8.
When ice thermal storage air conditioning unit is in accumulation of heat pattern, the flow circuits of cold-producing medium is as shown in thick line in Fig. 5: Opening the first electromagnetic valve the 61, the 6th electromagnetic valve 66 and the 7th electromagnetic valve 67, the cold-producing medium of High Temperature High Pressure is from pressure Contracting machine 8 (flows through water-side heat 4 through cross valve the 9, the 6th electromagnetic valve 66, water-side heat 4 but does not carries out Heat exchange) and the 7th electromagnetic valve 67 enter accumulation of energy groove 2, after accumulation of heat water cold-producing medium successively through the 3rd check valve 53, High pressure fluid reservoir the 7, first electromagnetic valve the 61, second check valve 52, air-side heat exchanger 3, cross valve 9 and Gas-liquid separator 10 flows back into compressor 8.
When ice thermal storage air conditioning unit is in heating mode, the flow circuits of cold-producing medium is as shown in thick line in Fig. 6: Opening the first electromagnetic valve the 61, the 6th electromagnetic valve 66 and the 8th electromagnetic valve 68, the cold-producing medium of High Temperature High Pressure is from pressure Contracting machine 8 enters water-side heat 4 through cross valve 9 and the 6th electromagnetic valve 66, produces heat at water-side heat 4 After water cold-producing medium through the 8th electromagnetic valve the 68, the 3rd check valve 53, high pressure fluid reservoir the 7, first electromagnetic valve 61, Second check valve 52, air-side heat exchanger 3, cross valve 9 and gas-liquid separator 10 flow back into compressor 8.
When ice thermal storage air conditioning unit be in heat add accumulation of heat pattern time cold-producing medium flow circuits such as Fig. 7 in thick line Shown in: the cold-producing medium of High Temperature High Pressure enters water inlet side heat exchange from compressor 8 through cross valve 9 and the 6th electromagnetic valve 66 Device 4, after water-side heat 4 hot water preparing, cold-producing medium enters accumulation of energy groove 2, accumulation of heat through the 7th electromagnetic valve 67 After water, cold-producing medium is successively through the 3rd check valve 53, high pressure fluid reservoir the 7, first electromagnetic valve the 61, second check valve 52, air-side heat exchanger 3, cross valve 9 and gas-liquid separator 10 flow back into compressor 8.
Note, above are only preferred embodiment of the present utility model and the know-why used.This area skill Art personnel are it will be appreciated that this utility model is not limited to specific embodiment described here, to those skilled in the art For can carry out various obvious change, readjust and substitute without departing from protection of the present utility model Scope.Therefore, although by above example, this utility model is described in further detail, but This utility model is not limited only to above example, in the case of conceiving without departing from this utility model, also may be used To include other Equivalent embodiments more, and scope of the present utility model is determined by scope of the appended claims.

Claims (8)

1. an ice thermal storage air conditioning unit, it is characterised in that include the accumulation of energy air-cooled heat pump formula dress being connected Putting (1) and accumulation of energy groove (2), described accumulation of energy air-cooled heat pump formula device (1) includes being connected successively by pipeline Compressor assembly, air-side heat exchanger (3) and the water-side heat (4) connect;Described accumulation of energy groove (2) is wrapped Including air-conditioning refrigerant passage and user side refrigerant passage, the port of described air-conditioning refrigerant passage is connected to described Accumulation of energy air-cooled heat pump formula device (1), the port of described user side refrigerant passage is connected to user side.
Ice thermal storage air conditioning unit the most according to claim 1, it is characterised in that described accumulation of energy groove (2) The first port (21) be connected to air-side heat exchanger the second end (32);The second of described accumulation of energy groove (2) Port (22) is connected to described compressor assembly by control valve regulation or is connected to water-side heat the second end (42);
3rd port (23) and the 4th port (24) of described accumulation of energy groove (2) are respectively connecting to user side;
In described accumulation of energy groove (2), the first port (21) is connected with the second port (22), forms sky Modulation coolant channel;Described 3rd port (23) is connected with the 4th port (24), forms user side cold Matchmaker's passage.
Ice thermal storage air conditioning unit the most according to claim 1 and 2, it is characterised in that described compressor Assembly includes compressor (8), cross valve (9) and the gas-liquid separator (10) being sequentially connected with by pipeline; Described compressor (8) is connected to the D end of described cross valve (9), and described gas-liquid separator (10) connects B end to described cross valve (9).
Ice thermal storage air conditioning unit the most according to claim 3, it is characterised in that air-side heat exchanger One end (31) is connected to the C end of described cross valve (9);
Air-side heat exchanger the second end (32) is by the first check valve (51), the first electromagnetic valve (61) and the Three electromagnetic valves (63) are connected to water-side heat the second end (42);By the first check valve (51), first Electromagnetic valve (61) and the second electromagnetic valve (62) are connected to first port (21) of described accumulation of energy groove (2); It is connected to described accumulation of energy by the second check valve (52), the first electromagnetic valve (61) and the 3rd check valve (53) First port (21) of groove (2);By the second check valve (52), the first electromagnetic valve (61), the 3rd list It is connected to described water-side heat the second end (42) to valve (53) and the 8th electromagnetic valve (68).
Ice thermal storage air conditioning unit the most according to claim 4, it is characterised in that described first unidirectional High pressure fluid reservoir (7) it is provided with between valve (51) and the first electromagnetic valve (61).
Ice thermal storage air conditioning unit the most according to claim 4, it is characterised in that air-side heat exchanger Reducer (11) it is provided with between two ends (32) and the second check valve (52).
Ice thermal storage air conditioning unit the most according to claim 5, it is characterised in that water-side heat first End (41) is connected to the A end of described cross valve (9) by the 5th electromagnetic valve (65);By the 6th electromagnetism Valve (66) is connected to the A end of described cross valve (9);
Described water-side heat the second end (42) is connected to described accumulation of energy groove (2) by the 7th electromagnetic valve (67) The second port (22).
Ice thermal storage air conditioning unit the most according to claim 7, it is characterised in that described accumulation of energy groove (2) The second port (22) be connected to the A end of described cross valve (9) by the 4th electromagnetic valve (64).
CN201620510810.6U 2016-05-30 2016-05-30 Ice thermal storage air conditioning unit Active CN205783481U (en)

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Application Number Priority Date Filing Date Title
CN201620510810.6U CN205783481U (en) 2016-05-30 2016-05-30 Ice thermal storage air conditioning unit

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953337A (en) * 2016-05-30 2016-09-21 珠海格力电器股份有限公司 Ice heat storage air conditioning unit and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105953337A (en) * 2016-05-30 2016-09-21 珠海格力电器股份有限公司 Ice heat storage air conditioning unit and control method thereof
CN105953337B (en) * 2016-05-30 2019-10-01 珠海格力电器股份有限公司 Ice thermal storage air conditioning unit and its control method

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