CN104296296A - Single-cold type central air conditioner energy saving system - Google Patents
Single-cold type central air conditioner energy saving system Download PDFInfo
- Publication number
- CN104296296A CN104296296A CN201410580657.XA CN201410580657A CN104296296A CN 104296296 A CN104296296 A CN 104296296A CN 201410580657 A CN201410580657 A CN 201410580657A CN 104296296 A CN104296296 A CN 104296296A
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- Prior art keywords
- condenser
- cooling device
- heat
- central air
- type central
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
Abstract
The invention relates to a single-cold type central air conditioner energy saving system which comprises a cooling device, a cooling device water outlet pipe, a cooling device water return pipe, a water pump, M condensers, N first electromagnetic valves, N compressors, N first one-way valves, N second electromagnetic valves, N second one-way valves, N throttling devices, N evaporators and N evaporator fans, wherein the N first electromagnetic valves, the N compressors, the N first one-way valves, the N second electromagnetic valves, the N second one-way valves, the N throttling devices, the N evaporators and the N evaporator fans correspond to one another one to one. An inlet of a shell of each condenser is connected with the cooling device water outlet pipe, and an outlet of the shell of each condenser is connected with the cooling device water return pipe; all the evaporators are located indoors; each condenser and corresponding L first electromagnetic valves, L compressors, L first one-way valves, L second electromagnetic valves, L second one-way valves, L throttling devices, L evaporators and L evaporator fans form L sealed heat-pipe and heat-pump dual-mode circulating systems, wherein the L first electromagnetic valves, the L compressors, the L first one-way valves, the L second electromagnetic valves, the L second one-way valves, the L throttling devices, the L evaporators and the L evaporator fans correspond to one another one to one. Each heat-pipe and heat-pump dual-mode circulating system comprises a heat pipe circulating system and a heat pump circulating system, outdoor natural cold sources can be effectively utilized for refrigeration, power consumption of the compressors in the process of lowering environment sensible heat is effectively reduced, maintenance cost is lowered, and safety and energy conservation are achieved.
Description
Technical field
The invention belongs to cold and hot energy transporting technical field, particularly a kind of single-cooling type central air-conditioning energy-saving system.
Background technology
Central air-conditioning is that the mode connecing multiple end-equipment by air channel or refrigerant pipe by a main frame controls different rooms to reach room air adjustment object equipment.At present, in many high-rises, Central air-conditioning unit application is more, and central air conditioner system is made up of cold source system and air handling system; The principle of vaporizing liquid refrigeration is adopted to provide institute's chilling requirement for air handling system, in order to offset the refrigeration duty of indoor environment, because the cardiac component of unit adopts frequency-changeable compressor, thus the step-less adjustment function of cold can be realized, wear indoor set capacity and can allow freely to arrange in pairs or groups in 50 ~ 130% scopes of total capacity, and indoor set kind is many, various informative, a lot of convenience is brought to design selection, although being used alone of single indoor set can be realized, but frequency-changeable compressor is running always, thus causes the unnecessary waste of electric energy.
According to retrieval, the patent close with patent of the present invention is application number is ZL 201020502518.2, patent of invention name is called a kind of patent of distributed type water-cooling separation type heat removal system for heat pipe, utilization utilizes outdoor natural cooling source (cooling column) to lower the temperature with gravity assisted heat pipe, low-temperature receiver used is single, and inapplicable when outdoor natural cooling source temperature is high time; Another one application number is ZL 201110095012.3, patent of invention name is called a kind of patent of thermal environmental control system, in the patent No. be ZL 201020502518.2 patent on done an improvement, between heat pipe circulation end and cooling tower, increase compressor circulation system, realize cooling throughout the year, although the cooling object reached, but the thermic load that this system compressors is born is large, walk the whole year under high compression ratio operating mode, refrigerating efficiency is low, and power consumption is large.
Summary of the invention
Order of the present invention is above not enough for solving, provide a kind of in the system of unit capacity, under underload and fully loaded state, system cloud gray model in the best refrigeration module circulatory system, safer, reliable, stable, energy-conservation single-cooling type central air-conditioning energy-saving system.
Technical solution problem of the present invention adopts following technical scheme:
A kind of single-cooling type central air-conditioning energy-saving system, comprises cooling device, cooling device outlet pipe, cooling device return pipe, water pump, M condenser, N number of magnetic valve one to one, compressor, check valve one, magnetic valve two, check valve two, throttling arrangement, evaporimeter and evaporator fan; The number M of described condenser is less than or equal to N; Each described condenser shell import connects described cooling device outlet pipe, and outlet connects described cooling device return pipe; Each described evaporimeter is positioned at indoor; L the heat pipe hot pump bimodulus circulatory system closed that each described condenser forms with corresponding L individual magnetic valve one, compressor, check valve one, magnetic valve two, check valve two, throttling arrangement, evaporimeter and evaporator fan one to one, L is more than or equal to 1, is less than N; L the heat pipe hot pump bimodulus circulatory system closed shares a condenser; The heat pipe hot pump bimodulus circulatory system comprises the heat pipe circulatory system and heat pump circulating system; The heat pipe circulatory system is connected to form according to said sequence successively by condenser, magnetic valve two, evaporimeter and check valve two; Heat pump circulating system is connected to form according to said sequence successively by condenser, throttling arrangement, evaporimeter, magnetic valve one, compressor and check valve one; The integral position of each described condenser is higher than the position of the evaporimeter corresponding with it.
Preferably, comprise a fluid reservoir further, described fluid reservoir is connected to the cold-producing medium output of condenser.
The above cooling device is cooling tower.
The above cooling device is earth source heat pump.
Above-described multiple condenser is plate type heat exchanger.
Above-described multiple evaporimeter is the full aluminium heater in microchannel.
Above-described water pump is positioned on cooling device outlet pipe.
Above-described water pump is positioned on cooling device return pipe.
The above heat pipe hot pump bimodulus circulatory system inner loop working medium is any one in R22, R134a or R410a.
The present invention compared with prior art, this system by the heat absorption of indoor evaporimeter, outdoor plate type heat exchanger heat extraction, when the cooling water temperature of indoor temperature higher than plate type heat exchanger time, the heat pipe circulatory system by the heat dissipation of indoor in chilled water; When the temperature of indoor temperature higher than cooling water, the heat dissipation of indoor can be gone out by heat pump circulating system, and because outdoor condenser is water-cooled, efficiency is higher, and compressor operating is more energy-conservation; The system most of the time of the present invention is all use heat pipe energy-saving pattern, and the large compressor of highly energy-consuming is without the need to starting, and only with the heat pipe energy-saving module and the blower fan that start low power consuming, energy consumption is extremely low; A condenser of the present invention can freeze for the not chummery of one family in addition, or floor uses a large condenser, and end controls separately, more energy-conservation; The present invention is applicable to villa, apartment, home dwelling and various industry, commercial location.
Accompanying drawing explanation
Fig. 1 is that single-cooling type central air-conditioning energy-saving system first of the present invention implements structural representation.
Fig. 2 is that single-cooling type central air-conditioning energy-saving system second of the present invention implements structural representation.
Fig. 3 is that single-cooling type central air-conditioning energy-saving system the 3rd of the present invention implements structural representation.
Fig. 4 is that single-cooling type central air-conditioning energy-saving system the 4th of the present invention implements structural representation.
In figure: 1 cooling device; 2 water pumps; 3 condensers; 4 evaporimeters; 5 magnetic valves one; 6 compressors; 7 check valves one; 8 check valves two; 9 magnetic valves two; 10 throttling arrangements; 11 evaporator fans; 12 fluid reservoirs.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the present invention is described in more detail.
The present invention as shown in Figure 1 first implements structural representation, a kind of single-cooling type central air-conditioning energy-saving system comprises cooling device 1, cooling device outlet pipe, cooling device return pipe, water pump 2, multiple condenser 3, with condenser 3 magnetic valve 1, compressor 6, check valve 1, magnetic valve 29, check valve 28, throttling arrangement 10, evaporimeter 4 and evaporator fan 11 one to one; Each described condenser 3 case entrances connects described cooling device outlet pipe, and outlet connects described cooling device return pipe; Each described evaporimeter 4 is positioned at indoor; Each described condenser 3 and one to one magnetic valve 1, compressor 6, check valve 1, magnetic valve 29, check valve 28, throttling arrangement 10, evaporimeter 4 and evaporator fan 11 form a closed heat pipe hot pump bimodulus circulatory system; The heat pipe hot pump bimodulus circulatory system comprises the heat pipe circulatory system and heat pump circulating system; The heat pipe circulatory system is connected to form according to said sequence successively by condenser 3, magnetic valve 29, evaporimeter 4 and check valve 28; Heat pump circulating system is connected to form according to said sequence successively by condenser 3, throttling arrangement 10, evaporimeter 4, magnetic valve 1, compressor 6 and check valve 1; The integral position of each described condenser 3 is higher than the position of the evaporimeter 4 corresponding with it.
The heat pipe hot pump bimodulus circulatory system of the present invention inside be full of in R22, R134a or R410a any one, when using heat pump refrigerating mode of operation, compressor 6 is opened, magnetic valve 29 is in closed condition, magnetic valve 1 is in full-gear, pressure is taken out due to compressor 6, check valve 28 place branch road does not almost have passing through of refrigeration working medium, such liquid condensation agent is absorbed heat and is reduced indoor temperature in evaporimeter 4, liquid condensation agent after heat absorption becomes gaseous state, high-temperature high-pressure state is become by compressor 6 gaseous refrigerant, the flow of refrigerant of high-temperature high-pressure state is carried to condenser 3 through check valve 1, high temperature and high pressure gaseous refrigerant enters in condenser 3, after transferring heat to cooling water, condensation becomes liquid, liquid refrigeration medium enters into evaporimeter 4 by throttling arrangement 10 and circulates next time, this completes the circulation of whole heat pump refrigerating.
When using heat pipe heat exchanging mode of operation, compressor 6 cuts out, magnetic valve 1 is in closed condition, magnetic valve 29 is in full-gear, when just starting working, it is made to open under the pressure of the fluid column that check valve 28 and magnetic valve 29 accumulate at condenser delivery outlet pipeline, after this refrigeration working medium contacts with cooling water at condenser 3, after gaseous working medium transfers heat to cooling water, condensation becomes liquid, and release heat, the liquid-working-medium that condensation is formed enters into evaporimeter 4 by magnetic valve 29 under gravity, heat absorption reduces indoor temperature, liquid condensation agent after heat absorption becomes gaseous state, gaseous refrigerant working medium enters into condenser 3 by check valve 28 place branch road and circulates next time.
Second of single-cooling type central air-conditioning energy-saving system of the present invention as shown in Figure 2 implements structural representation, compared to first implementing structural representation at the many fluid reservoirs 12 of the cold-producing medium output of condenser 3 shown in Fig. 1, cold-producing medium can carry out gas-liquid separation and storage after entering fluid reservoir 12, and the unlatching of other parts is identical with running the circulating working mode implementing structural representation with Fig. 1 first.
The 3rd of single-cooling type central air-conditioning energy-saving system of the present invention as shown in Figure 3 implements structural representation, this central air-conditioning energy-saving system comprises cooling device 1, cooling device outlet pipe, cooling device return pipe, water pump 2,, M condenser 3, N number of magnetic valve one to one 1, compressor 6, check valve 1, magnetic valve 29, check valve 28, throttling arrangement 10, evaporimeter 4 and evaporator fan 11; The number M of condenser 3 is less than or equal to N; Each described condenser 3 case entrances connects described cooling device outlet pipe, and outlet connects described cooling device return pipe; Each described evaporimeter 4 is positioned at indoor; Magnetic valve 1, compressor 6, check valve 1, magnetic valve 29, check valve 28, throttling arrangement 10, evaporimeter 4 and evaporator fan 11 form L the heat pipe hot pump bimodulus circulatory system closed to each described condenser 3 one to one with corresponding L, L is more than or equal to 1, is less than N; L the heat pipe hot pump bimodulus circulatory system closed shares a condenser; The integral position of each described condenser 3 is higher than the position of the evaporimeter 4 corresponding with it.Each heat pipe hot pump bimodulus circulatory system closed, the unlatching of its parts is identical with running the circulating working mode implementing parts corresponding to structural representation with Fig. 1 first.
The 4th of single-cooling type central air-conditioning energy-saving system of the present invention as shown in Figure 4 implements structural representation, compared to the 3rd implementing structural representation at the many fluid reservoirs 12 of the cold-producing medium output of condenser 3 shown in Fig. 3, cold-producing medium can carry out gas-liquid separation and storage after entering fluid reservoir 12, and the unlatching of other parts is identical with running the circulating working mode implementing structural representation with Fig. 3 the 3rd.
As can be seen from the above embodiments, the present invention by the heat absorption of indoor evaporimeter, outdoor plate type heat exchanger heat extraction, when the cooling water temperature of indoor temperature higher than plate type heat exchanger time, the heat pipe circulatory system by the heat dissipation of indoor in chilled water; When the temperature of indoor temperature higher than cooling water, the heat dissipation of indoor can be gone out by heat pump circulating system, and because outdoor condenser is water-cooled, efficiency is higher, and compressor operating is more energy-conservation; The system most of the time of the present invention is all use heat pipe energy-saving pattern, and the large compressor of highly energy-consuming is without the need to starting, and only with the heat pipe energy-saving module and the blower fan that start low power consuming, energy consumption is extremely low.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (9)
1. a single-cooling type central air-conditioning energy-saving system, it is characterized in that: comprise cooling device, cooling device outlet pipe, cooling device return pipe, water pump, M condenser, N number of magnetic valve one to one, compressor, check valve one, magnetic valve two, check valve two, throttling arrangement, evaporimeter and evaporator fan; The number M of described condenser is less than or equal to N; Each described condenser shell import connects described cooling device outlet pipe, and outlet connects described cooling device return pipe; Each described evaporimeter is positioned at indoor; L the heat pipe hot pump bimodulus circulatory system closed that each described condenser forms with corresponding L individual magnetic valve one, compressor, check valve one, magnetic valve two, check valve two, throttling arrangement, evaporimeter and evaporator fan one to one, L is more than or equal to 1, is less than N; L the heat pipe hot pump bimodulus circulatory system closed shares a condenser; The heat pipe hot pump bimodulus circulatory system comprises the heat pipe circulatory system and heat pump circulating system; The heat pipe circulatory system is connected to form according to said sequence successively by condenser, magnetic valve two, evaporimeter and check valve two; Heat pump circulating system is connected to form according to said sequence successively by condenser, throttling arrangement, evaporimeter, magnetic valve one, compressor and check valve one; The integral position of each described condenser is higher than the position of the evaporimeter corresponding with it.
2. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1, is characterized in that: comprise a fluid reservoir further, and described fluid reservoir is connected to the cold-producing medium output of condenser.
3. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described cooling device is cooling tower.
4. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described cooling device is earth source heat pump.
5. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described multiple condensers are plate type heat exchangers.
6. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described multiple evaporimeters are the full aluminium heaters in microchannel.
7. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described water pump is positioned on cooling device outlet pipe.
8. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described water pump is positioned on cooling device return pipe.
9. a kind of single-cooling type central air-conditioning energy-saving system as described in claim 1 and 2, is characterized in that: described heat pipe hot pump bimodulus circulatory system inner loop working medium is any one in R22, R134a or R410a.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410580657.XA CN104296296A (en) | 2014-10-27 | 2014-10-27 | Single-cold type central air conditioner energy saving system |
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| CN201410580657.XA CN104296296A (en) | 2014-10-27 | 2014-10-27 | Single-cold type central air conditioner energy saving system |
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| CN104296296A true CN104296296A (en) | 2015-01-21 |
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| CN201410580657.XA Pending CN104296296A (en) | 2014-10-27 | 2014-10-27 | Single-cold type central air conditioner energy saving system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642560A (en) * | 2016-12-07 | 2017-05-10 | 深圳华南精工制冷设备有限公司 | Water-cooling variable-capacity air conditioner unit |
| CN108561955A (en) * | 2017-12-18 | 2018-09-21 | 深圳市艾特网能技术有限公司 | A kind of refrigeration system and method for data center |
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| CN108561955A (en) * | 2017-12-18 | 2018-09-21 | 深圳市艾特网能技术有限公司 | A kind of refrigeration system and method for data center |
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Address after: 100041 Beijing, Badachu hi tech park, West Wells Road, building 9415, room 3, No., room 3 Applicant after: Beijing Science and Technology Co., Ltd. Germany To Hanson Address before: 100094 Beijing, Badachu hi tech park, West Wells Road, building 9415, room 3, No., room 3 Applicant before: Beijing Science and Technology Co., Ltd. Germany to Hanson |
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