CN204063393U - A kind of water cold storage energy-saving air conditioning system - Google Patents
A kind of water cold storage energy-saving air conditioning system Download PDFInfo
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- CN204063393U CN204063393U CN201420398648.4U CN201420398648U CN204063393U CN 204063393 U CN204063393 U CN 204063393U CN 201420398648 U CN201420398648 U CN 201420398648U CN 204063393 U CN204063393 U CN 204063393U
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- 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
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Abstract
The utility model relates to technical field of air conditioner refrigeration, particularly relates to a kind of water cold storage energy-saving air conditioning system.It comprises air-conditioner set, cold-storage water tank, end-equipment and dynamoelectric water valve, air-conditioner set comprises the frequency-changeable compressor connecting to form refrigerating circuit successively, condensing pressure transmitter, finned heat exchanger, refrigeration expansion valve and shell and tube evaporator, cold-storage water tank and end-equipment connect and compose the confession cold loop comprising supply channel and water return pipeline by pipeline, supply channel and water return pipeline are respectively arranged with the second dynamoelectric water valve and the first dynamoelectric water valve, the feed water inlet of cold-storage water tank is provided with chilled water pump, the feed water inlet of cold-storage water tank connects the water inlet of described shell and tube evaporator after described chilled water pump through the 4th dynamoelectric water valve, the delivery port of described shell and tube evaporator connects the water return outlet of cold-storage water tank after the 3rd dynamoelectric water valve.This water cold storage energy-saving air conditioning system environmentally temperature, the isoparametric change tread of condensing pressure can regulate refrigeration or cooling, energy-efficient.
Description
Technical field
The invention relates to technical field of air conditioner refrigeration, particularly relates to a kind of water cold storage energy-saving air conditioning system.
Background technology
Along with the raising of present industrial expansion and living standards of the people, in urban architecture, air conditioning energy consumption is accelerated growth trend, accounts for more than 50% of building total electricity consumption, and power system load peak-valley difference is sharply increased, and load rate of grid obviously declines.Air-conditioning not only power consumption is large, and its refrigeration duty rush hour and city electricity consumption spike period match, exacerbate Gu Feng to power imbalance, make the problem of peak phase electricity shortage severeer, solving a peak valley unbalanced Critical policies of powering is adopt chilling air conditioning system.
Along with the raising of environmental consciousness, the concept of carbon reduction is also more aobvious important.Although adopt chilling air conditioning system effectively can alleviate peak valley to power imbalance, but the chilling air conditioning system of general static state, the energy consumption accumulated due to long time running is huge, has a strong impact on its refrigerating efficiency, thus is difficult to meet the environmental protection and energy saving requirement day by day improved.
Summary of the invention
The object of the invention is to avoid above-mentioned weak point of the prior art and provides a kind of energy-efficient, dynamic water cold storage energy-saving air conditioning system.
The object of the invention is achieved through the following technical solutions:
Provide a kind of water cold storage energy-saving air conditioning system, comprise air-conditioner set, cold-storage water tank, end-equipment and dynamoelectric water valve, air-conditioner set comprises the frequency-changeable compressor connecting to form refrigerating circuit successively, condensing pressure transmitter, finned heat exchanger, refrigeration expansion valve and shell and tube evaporator, dynamoelectric water valve comprises the first dynamoelectric water valve, second dynamoelectric water valve, 3rd dynamoelectric water valve and the 4th dynamoelectric water valve, cold-storage water tank and end-equipment connect and compose for cold loop by pipeline, supply channel and water return pipeline is comprised for cold loop, supply channel is provided with the second dynamoelectric water valve, water return pipeline is provided with the first dynamoelectric water valve, the feed water inlet of cold-storage water tank is provided with chilled water pump, the feed water inlet of cold-storage water tank connects the water inlet of described shell and tube evaporator after described chilled water pump through the 4th dynamoelectric water valve, the delivery port of described shell and tube evaporator connects the water return outlet of cold-storage water tank after the 3rd dynamoelectric water valve.
Wherein, described chilled water pump is frequency conversion chilled water pump.
Wherein, device for drying and filtering is provided with between described finned heat exchanger and described refrigeration expansion valve.
Wherein, external oil eliminator is provided with between described frequency-changeable compressor and condensing pressure transmitter.
Wherein, described cold-storage water tank is also provided with water replanishing device and water pipe, described water replanishing device detect cold-storage water tank water level, control the closing of described water pipe, pass to and moisturizing is carried out to cold-storage water tank.
The beneficial effect of the invention:
A kind of water cold storage energy-saving air conditioning system of the invention, night, low ebb rate period air-conditioner set was to cold-storage water tank cold-storage, peak period on daytime is again by cold-storage water tank cooling, thus realize using electricity in off-peak hours, avoid based on the peak of power consumption period of the non-green electric power such as thermoelectricity, the burden of municipal electrical network in the peak of power consumption period can be alleviated, reduce non-renewable energy resources consumption, realize energy-conserving and environment-protective.Air-conditioner set adopts frequency-changeable compressor, can carry out step-less adjustment control according to the change of the return water temperature of cold-storage water tank to compressor, improves the coefficient of performance under unit sub-load, reduces unnecessary energy consumption, effectively energy-conservation.Air-conditioning system is at finned heat exchanger front-end configuration condensing pressure transmitter simultaneously, can the change of environmentally temperature and condensing pressure, regulate the rotating speed of the condenser fan on finned heat exchanger, because during cold-storage water tank cold-storage, outdoor environment temperature changes greatly, by adjusting the rotating speed of condenser fan, energy consumption can be reduced further, realizing the energy-conservation of air-conditioning system complete machine.
Accompanying drawing explanation
Accompanying drawing is utilized to be described further innovation and creation, but the embodiment in accompanying drawing does not form any restriction to the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of a kind of water cold storage energy-saving air conditioning system of the invention.
Reference numeral:
1-frequency-changeable compressor,
The external oil eliminator of 2-,
3-condensing pressure transmitter,
4-finned heat exchanger,
5-device for drying and filtering,
6-refrigeration expansion valve,
7-shell and tube evaporator,
8-cold-storage water tank,
9-chilled water pump,
10-end-equipment,
11-first dynamoelectric water valve,
12-second dynamoelectric water valve,
13-the 3rd dynamoelectric water valve,
14-the 4th dynamoelectric water valve,
15-water replanishing device,
16-water pipe.
Detailed description of the invention
With the following Examples the invention is further described.
A kind of water cold storage energy-saving air conditioning system of the invention, as shown in Figure 1, comprises air-conditioner set, cold-storage water tank 8, end-equipment 10 and dynamoelectric water valve.
Air-conditioner set comprises the frequency-changeable compressor 1, external oil eliminator 2, condensing pressure transmitter 3, finned heat exchanger 4, device for drying and filtering 5, refrigeration expansion valve 6 and the shell and tube evaporator 7 that connect to form refrigerating circuit successively.Adopt frequency-changeable compressor, the energy adjustment control of stepless 0-100% can be carried out according to the change of the return water temperature of cold-storage water tank, air-conditioning system is at finned heat exchanger front-end configuration condensing pressure transmitter, can the change of environmentally temperature and condensing pressure, regulate the rotating speed of the condenser fan on finned heat exchanger, because during cold-storage water tank cold-storage, outdoor environment temperature changes greatly, by adjusting the rotating speed energy-saving consumption-reducing of condenser fan, in order to ensure air-conditioner set reliability service, the rear end of frequency-changeable compressor 1 increases external oil eliminator 2, setting frost prevention switch operating temperature is 2 DEG C.
In order to control cold-storage and cooling two kinds of patterns switchings, this water cold storage energy-saving air conditioning system increases dynamoelectric water valve, and dynamoelectric water valve comprises the first dynamoelectric water valve 11, second dynamoelectric water valve 12, the 3rd dynamoelectric water valve 13 and the 4th dynamoelectric water valve 14.
Cold-storage water tank 8 connects and composes for cold loop with end-equipment 10 by pipeline, and the described cold loop that supplies comprises supply channel and water return pipeline, supply channel is provided with the second dynamoelectric water valve 12, water return pipeline is provided with the first dynamoelectric water valve 11.
The feed water inlet of cold-storage water tank 8 is provided with chilled water pump 9, chilled water pump 9 is preferably frequency conversion chilled water pump, to be applicable to the allotment of the water temperature cold conveying of different chilled water, during owing to just starting cooling, water temperature is lower, chilled water pump 9, by VFC, can realize low discharge cooling, according to water temperature ascensional range, Reasonable adjustment regulates running frequency and the flow of chilled water pump 9, determines cold conveying balance and stablizes.
The delivery port of shell and tube evaporator 7 connects the water return outlet of cold-storage water tank 8 after the 3rd dynamoelectric water valve 13, and the feed water inlet of cold-storage water tank 8 connects the water inlet of shell and tube evaporator 7 after chilled water pump 9, through the 4th dynamoelectric water valve.
The concrete operating control of this water cold storage energy-saving air conditioning system is, during low power consumption in evening, close the first dynamoelectric water valve 11 and the second dynamoelectric water valve 12, open the 3rd dynamoelectric water valve 13 and the 4th dynamoelectric water valve 14, switch to cold-storage pattern, chilled water enters cold-storage water tank 8 from the delivery port of shell and tube evaporator 7 through the 3rd dynamoelectric water valve 13 and carries out cold-storage, setting conventional normal water supply is 7 DEG C, during cold-storage, in order to chilled water being carried out cold-storage as much as possible, process chilled water water temperature during cold-storage to 4 DEG C.During peak of power consumption on daytime, open the first dynamoelectric water valve 11 and the second dynamoelectric water valve 12, close the 3rd dynamoelectric water valve 13 and the 4th dynamoelectric water valve 14, switch to cooling mode, chilled water is from the feed water inlet of cold-storage water tank 8 through described supply channel, be supplied to end-equipment 10 by the second dynamoelectric water valve 12, and the backwater of end-equipment 10 flow back into cold-storage water tank 8 by the first dynamoelectric water valve 11 through described water return pipeline.When return water temperature reaches 12 DEG C, think that now chilled water can not carry out cooling again.According to this standard, by calculating the load that daytime is end-equipment, the capacity needed for cold-storage water tank 8 can be drawn.
In addition, cold-storage water tank 8 is also provided with water replanishing device 15 and water pipe 16, water replanishing device 15 by detecting the water level height of cold-storage water tank 8, to control the closing of water pipe 16, logical, thus timely moisturizing is carried out to cold-storage water tank 8, guarantee the running of this water cold storage energy-saving air conditioning system normal table.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the invention; but not the restriction to the invention protection domain; although done to explain to the invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the invention or equivalent replacement, and not depart from essence and the scope of the invention technical scheme.
Claims (5)
1. a water cold storage energy-saving air conditioning system, comprise air-conditioner set, cold-storage water tank, end-equipment and dynamoelectric water valve, it is characterized in that: air-conditioner set comprises the frequency-changeable compressor connecting to form refrigerating circuit successively, condensing pressure transmitter, finned heat exchanger, refrigeration expansion valve and shell and tube evaporator, dynamoelectric water valve comprises the first dynamoelectric water valve, second dynamoelectric water valve, 3rd dynamoelectric water valve and the 4th dynamoelectric water valve, cold-storage water tank and end-equipment connect and compose for cold loop by pipeline, supply channel and water return pipeline is comprised for cold loop, supply channel is provided with the second dynamoelectric water valve, water return pipeline is provided with the first dynamoelectric water valve, the feed water inlet of cold-storage water tank is provided with chilled water pump, the feed water inlet of cold-storage water tank connects the water inlet of described shell and tube evaporator after described chilled water pump through the 4th dynamoelectric water valve, the delivery port of described shell and tube evaporator connects the water return outlet of cold-storage water tank after the 3rd dynamoelectric water valve.
2. a kind of water cold storage energy-saving air conditioning system according to claim 1, is characterized in that: described chilled water pump is frequency conversion chilled water pump.
3. a kind of water cold storage energy-saving air conditioning system according to claim 1, is characterized in that: be provided with device for drying and filtering between described finned heat exchanger and described refrigeration expansion valve.
4. a kind of water cold storage energy-saving air conditioning system according to claim 1, is characterized in that: be provided with external oil eliminator between described frequency-changeable compressor and condensing pressure transmitter.
5. a kind of water cold storage energy-saving air conditioning system according to claim 1, it is characterized in that: described cold-storage water tank is also provided with water replanishing device and water pipe, described water replanishing device detect cold-storage water tank water level, control the closing of described water pipe, pass to and moisturizing is carried out to cold-storage water tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420398648.4U CN204063393U (en) | 2014-07-18 | 2014-07-18 | A kind of water cold storage energy-saving air conditioning system |
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| CN201420398648.4U CN204063393U (en) | 2014-07-18 | 2014-07-18 | A kind of water cold storage energy-saving air conditioning system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501339A (en) * | 2015-01-08 | 2015-04-08 | 中建安装工程有限公司 | Integrated modular large chilled water storage system |
| CN105318467A (en) * | 2015-11-16 | 2016-02-10 | 深圳达实智能股份有限公司 | Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system |
| CN105805872A (en) * | 2016-04-26 | 2016-07-27 | 珠海格力电器股份有限公司 | Control method of ice storage air-conditioning system and ice storage air-conditioning system |
| CN107514722A (en) * | 2017-09-29 | 2017-12-26 | 广东机电职业技术学院 | A kind of intelligent cold-storage domestic fan |
| CN112665049A (en) * | 2020-12-28 | 2021-04-16 | 无锡市工业设备安装有限公司 | Novel efficient chilled water storage operation method |
| CN115342574A (en) * | 2022-08-31 | 2022-11-15 | 青岛海容商用冷链股份有限公司 | Water chilling unit, control method and cascade refrigerator refrigerating system |
-
2014
- 2014-07-18 CN CN201420398648.4U patent/CN204063393U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501339A (en) * | 2015-01-08 | 2015-04-08 | 中建安装工程有限公司 | Integrated modular large chilled water storage system |
| CN105318467A (en) * | 2015-11-16 | 2016-02-10 | 深圳达实智能股份有限公司 | Energy storage system based on energy efficiency of air conditioner system and operating method of energy storage system |
| CN105805872A (en) * | 2016-04-26 | 2016-07-27 | 珠海格力电器股份有限公司 | Control method of ice storage air-conditioning system and ice storage air-conditioning system |
| CN106524360A (en) * | 2016-04-26 | 2017-03-22 | 珠海格力电器股份有限公司 | Control method of ice storage air conditioning system |
| CN107514722A (en) * | 2017-09-29 | 2017-12-26 | 广东机电职业技术学院 | A kind of intelligent cold-storage domestic fan |
| CN112665049A (en) * | 2020-12-28 | 2021-04-16 | 无锡市工业设备安装有限公司 | Novel efficient chilled water storage operation method |
| CN115342574A (en) * | 2022-08-31 | 2022-11-15 | 青岛海容商用冷链股份有限公司 | Water chilling unit, control method and cascade refrigerator refrigerating system |
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