CN202581627U - Multisystem circulating air-conditioning unit - Google Patents
Multisystem circulating air-conditioning unit Download PDFInfo
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- CN202581627U CN202581627U CN 201220135274 CN201220135274U CN202581627U CN 202581627 U CN202581627 U CN 202581627U CN 201220135274 CN201220135274 CN 201220135274 CN 201220135274 U CN201220135274 U CN 201220135274U CN 202581627 U CN202581627 U CN 202581627U
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Abstract
The utility model discloses a multisystem circulating air-conditioning unit. The multisystem circulating air-conditioning unit comprises a control unit, an outdoor temperature sensor and an indoor temperature sensor, as well as a compressor, a condenser, a throttle valve and a water-fluoride heat exchanger, which are communicated by a pipeline to form a circulation loop, a water tank, an indoor heat exchanger and a water pump, which are communicated with the water-fluoride heat exchanger to form another circulation loop, and an outdoor heat exchanger, wherein one end of the outdoor heat exchanger is connected with the water-fluoride heat exchanger and the water pump through a three-way valve; and the other end of the water-fluoride heat exchanger is connected with the water tank. The air-conditioning unit provided by the utility model can utilize natural cold sources to reduce temperature, is efficient and energy-saving and reduces the use frequency and prolongs the service life of the compressor; and with a phase-change release cold quantity recycle system, the released cold quantity of phase-change materials can be adopted to reduce the temperature, so that the temperature reduction requirement can be satisfied without electrical energy refrigeration, and therefore, the energy consumption is further reduced.
Description
Technical field
The utility model relates to a kind of multisystem circular air conditioner group, belongs to air-conditioning and Refrigeration Engineering technical field.
Background technology
The Communication in China industry develops rapidly in recent years, and the various places base station number also increases year by year, and along with going deep into of national energy-saving and emission-reduction policy, country is can index also increasingly high for subtracting of base station, and the energy consumption of air-conditioning accounts for about 50% in the base station.Therefore, the base station is with the energy-conservation key that becomes communication base station energy-conserving of air-conditioning.
Because a large amount of heat-producing devices of inside of base station particularly at the low situation of outdoor temperature such as spring and fall and winter, still need be opened compressor cooling and lower the temperature; The air-conditioning unit of base station use at present, many main dependence electric energy drive refrigeration plant lowers the temperature, and need consume a large amount of electric energy; Run counter to the energy-saving and emission-reduction policy of country; The front is mentioned and since base station etc. some need occasions of cooling throughout the year, spring and autumn and winter outdoor natural temperature lower; If can utilize the phase transition energy of outdoor natural cooling source and phase-change material to be the base station room temperature lowering this moment, can reduce the energy consumption of air-conditioning unit greatly.
Based on this; How to research and develop a kind of have two covers or the above systemic circulation air-conditioning unit of two covers, can select different cooling methods according to different outdoor environment temperatures; The natural cooling source that effectively utilizes; Realizing can avoiding energy-efficient the time operation of air-conditioning steam compression circulating system, prolong compressor service life, is the problem that the utility model mainly solves.
Summary of the invention
The utility model mainly relies on electric energy to freeze in order to solve existing air-conditioning unit, and energy consumption is big, the problem that service life is low; A kind of multisystem circular air conditioner group is provided, has had many cover cooling cycle systems, introduced the natural cooling source cooling; Energy-efficient, the service life of compressor is normal.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme to be achieved:
A kind of multisystem circular air conditioner group; Comprise control module, the outdoor temperature sensor and the indoor temperature transmitter that are connected with said control module respectively; Described multisystem circular air conditioner group also comprises compressor, condenser, choke valve and the water fluorine heat exchanger that is formed a flow cycle by pipeline connection; And also comprise water tank, indoor heat exchanger, the water pump that is connected to form an other flow cycle with described water fluorine heat exchanger; Described multisystem circular air conditioner group also comprises outdoor heat exchanger; One end of said outdoor heat exchanger is connected by triple valve with water pump with water fluorine heat exchanger, and an other end of said water fluorine heat exchanger connects water tank, and described outdoor heat exchanger one side is provided with the outdoor fan that is connected with control module; Said indoor heat exchanger one side is provided with the indoor fan that is connected with control module, and described compressor, triple valve, water pump are connected with control module respectively.
Further, for the ease of installing, described outdoor temperature sensor is arranged on outdoor heat exchanger one side, and described indoor temperature transmitter is arranged on indoor heat exchanger one side.
In order further to reduce air-conditioning unit energy consumption, be provided with phase-change material in the described water tank, in water tank, be provided with the temperature sensor that is used to detect phase-change material temperature, said temperature sensor is connected with control module.
Further again, phase-change material mainly through with cold transmission feedwater, is passed to the indoor heat exchange of carrying out then, and therefore, described phase-change material is arranged in the water tank after being encapsulated by shell.
In order to save cost of manufacture, ensure air-conditioning unit security of operation, described shell preferably adopts plastic casing.
Further again, described choke valve can adopt heating power expansion valve, electric expansion valve or capillary to realize.
Compared with prior art, the advantage and the good effect of the utility model are: the multisystem circular air conditioner group of the utility model comprises that through setting natural wind cools off many circulatory systems of the circulatory system, when outdoor environment temperature is low, utilizes the natural cooling source cooling; Energy-efficient; Reduced the frequency of utilization of compressor, prolonged its service life, through the phase transformation released cold quantity circulatory system is set; Utilize the phase change material stores cold; The phase-change material released cold quantity is lowered the temperature when satisfying certain condition, need not the electric energy refrigeration and just can realize the cooling demand, has further reduced energy consumption.
After the detailed description in conjunction with advantages the utility model embodiment, other characteristics of the utility model and advantage will become clearer.
Description of drawings
Fig. 1 is a kind of example structure sketch map of the multisystem circular air conditioner group that proposes of the utility model.
The specific embodiment
Mainly rely on electric energy to freeze in order to solve existing air-conditioning unit; Energy consumption is big; The problem that service life is low, the utility model provide a kind of multisystem circular air conditioner group, comprise control module, the outdoor temperature sensor that is connected with said control module respectively and indoor temperature transmitter, steam compression circulating system and the natural wind cooling circulatory system; Unit is when outdoor environment temperature is low; The operation natural wind cooling circulatory system realizes can avoiding energy-efficient the time operation of air-conditioning steam compression circulating system, prolongation compressor service life; When outdoor environment temperature is high, move steam compression circulating system, satisfy the demand of room temperature lowering.
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done explanation in further detail.
Embodiment one; Referring to shown in Figure 1; A kind of multisystem circular air conditioner group of present embodiment; Comprise control module (not showing among Fig. 1), the outdoor temperature sensor 11 that is connected with said control module respectively and indoor temperature transmitter 3, steam compression circulating system and the natural wind cooling circulatory system; Described multisystem circular air conditioner group also comprises compressor 13, condenser 12, choke valve 15 and the water fluorine heat exchanger 14 that is formed a flow cycle by pipeline connection; And also comprise water tank 6, indoor heat exchanger 5, the water pump 7 that is connected to form an other flow cycle with described water fluorine heat exchanger 14, and described multisystem circular air conditioner group also comprises outdoor heat exchanger 9, an end of said outdoor heat exchanger 9 is connected by triple valve 8 with water pump 7 with water fluorine heat exchanger 14; An other end of said water fluorine heat exchanger 14 connects water tank 6; Described outdoor heat exchanger 9 one sides are provided with the outdoor fan 10 that is connected with control module, and said indoor heat exchanger 5 one sides are provided with the indoor fan 4 that is connected with control module, and described compressor 13, triple valve 8, water pump 7 are connected with control module respectively.Described choke valve 15 can adopt heating power expansion valve, electric expansion valve or capillary to realize.
Need to prove; In the present embodiment; Each device of being flowed through in two kinds of above-mentioned closed circuits is connected by pipeline, further, and for the ease of installing; Described outdoor temperature sensor 11 is arranged on outdoor heat exchanger 9 one sides, and described indoor temperature transmitter 3 is arranged on indoor heat exchanger 5 one sides.
Control module confirms to start the steam compression circulating system or the natural wind cooling circulatory system through the counting chamber internal-external temperature difference, also is to have only a system works the same time, and concrete logic control relation is:
Temperature value T11 and indoor temperature value T3 outside outdoor temperature sensor 11 and the indoor temperature transmitter 3 difference sensing chamber; And be sent to control module; Control module calculates the difference △ T=T3-T11 of indoor temperature and outdoor temperature; And it is compared with setting temperature difference limit value T5, when △ T >=T5 (T5 is the manual setting value of user), the air-conditioning unit Start up Natural air cooling circulatory system; Specifically, control module control water pump 7, outdoor fan 10, indoor fan 4 work, at this moment, triple valve 8 avoids the refrigerating medium water of high temperature to get in the direct inlet chamber in water fluorine heat exchanger 14 backs along the conducting of water pump 7 to outdoor heat exchanger water (flow) direction.Under the driving of water pump 7, intrasystem water is sent into indoorly after absorbing cold under the outdoor low temperature environment, in indoor heat exchanger 5, through indoor fan 4 effects, cold is discharged.The water system water flow inside is to being: water pump 7 → triple valve 8 → outdoor heat exchanger 9 → water tank 6 → indoor heat exchanger 5 → water pump 7.
In the natural wind cooling circulatory system course of work, at this moment, outdoor environment temperature is generally lower, and the power consumption parts of operation have water pump 7, outdoor fan 10, indoor fan 4, when satisfying the room temperature lowering requirement, cut down the consumption of energy, and improve Energy Efficiency Ratio.
When △ T during T5, air-conditioning unit starting steam compression circulating system, this moment outdoor environment temperature generally higher.Concrete; Control module control compressor 13, water pump 7, condensation fan 10, indoor fan 4 work operations; At this moment, triple valve 8 avoids the recirculated water entering of low temperature to be in the outdoor water-to-water heat exchanger 9 under the hot room external environment along the 14 direction conductings of water pump 7 to water fluorine heat exchanger.Described steam compression circulating system comprises the two-way circulation; Also be fluorine system and water system; During steam compression circulating system work; Wherein the fluorine system is that cold-producing medium flows to condenser 12 from water fluorine heat exchanger 14 under the driving of compressor 13, flows into water fluorine heat exchanger 14 from said condenser 12 through choke valve 15 then, also is that fluorine internal system refrigerant flow direction is: compressor 13 → condenser 12 → choke valve 15 → water fluorine heat exchanger 14 → compressor 13.Refrigerant of low temperature is delivered to cold indoor through recirculated water cold transmission feedwater in water fluorine heat exchanger 14.Other one the tunnel is water system; Water flows into water fluorine heat exchanger 14 from indoor heat exchanger 5 through triple valve 8 under the driving of water pump; Flow into water tank 6 from said water fluorine heat exchanger 14 then; Finally flow to indoor heat exchanger 5 by water tank 6, the water system water flow inside is to being: water fluorine heat exchanger 14 → water tank 6 → indoor heat exchanger 5 → water pump 7 → triple valve 8 → water fluorine heat exchanger 14.Fluorine systemic circulation process drives through compressor 13; Utilize tube refrigerant from outdoor environment, to absorb cold; In water fluorine heat exchanger 14, cold is passed to recirculated water; Recirculated water passes to indoor heat exchanger 5 with cold under the driving of water pump 7, cold is discharged into indoor the most at last under indoor fan 4 effects.
In the steam compression circulating system course of work, outdoor environment temperature is generally higher, and the power consumption parts of operation have compressor 13, water pump 7, condensation fan 10, indoor fan 4, is mainly this moment and guarantees indoor cooling requirement, and Energy Efficiency Ratio is not high.
In order further to reduce air-conditioning unit energy consumption; Described multisystem circular air conditioner group also comprises the phase transformation released cold quantity circulatory system; Be provided with phase-change material 2 in the described water tank 6, wherein, phase-change material is meant with variations in temperature and changes the material that form also can provide latent heat; Be well known to those skilled in the art material, do not do at this and give unnecessary details.In the said phase transformation released cold quantity circulatory system; Water flows into described water fluorine heat exchanger 14 from described indoor heat exchanger 5 through triple valve 8 under the driving of water pump 7; Flow into water tank 6 from said water fluorine heat exchanger 14 then; With finally flow to indoor heat exchanger 5 after the phase-change material heat exchange by water tank 6, in said water tank 6, be provided with the temperature sensor 1 that is used to detect phase-change material temperature, said temperature sensor 1 is connected with control module.Phase-change material 2 can be stored cold, when reaching the uniform temperature value, can start the phase transformation released cold quantity circulatory system, therefore, need not the electric energy refrigeration and just can realize the cooling demand.
Phase-change material 2 main passing through are passed to the indoor heat exchange of carrying out then with cold transmission feedwater, and therefore, described phase-change material 2 is arranged in the water tank after being encapsulated by shell.In order to save cost of manufacture, ensure air-conditioning unit security of operation, described shell preferably adopts plastic casing.
When the air-conditioning unit comprises the phase transformation released cold quantity circulatory system, in the natural wind cooling circulatory system course of work, as long as when the coolant-temperature gage of water system is lower than the phase point temperature of phase-change material 2, the accumulation of energy that phase-change material 2 will continue.Same, in the steam compression circulating system course of work, as long as when the circulating water temperature of water system is lower than the phase point temperature of phase-change material 2, the accumulation of energy that phase-change material 2 will continue.
As a same reason, confirm to start steam compression circulating system or the natural wind cooling circulatory system or the phase transformation released cold quantity circulatory system by control module, also be to have only a system works the same time, concrete logic control relation is:
Temperature sensor 1 detects phase-change material temperature T1; And T1 compared with the phase transformation start-up point temperature value T6 of setting; When T1 < T6 (T6 is that the user sets according to phase-change material temperature point, generally is lower than the phase-change material temperature point), the air-conditioning unit starting phase transformation released cold quantity circulatory system.
The phase transformation released cold quantity circulatory system is utilized phase-change material 2 characteristics, discharges a large amount of latent heat when phase-change material 2 becomes gaseous state by liquid state, absorbs a large amount of latent heat when becoming liquid state by gaseous state.After phase-change material 2 usefulness plastic casings are encapsulated, put into water tank 6, the cold that the encapsulation phase-change material 2 in water tank 6 absorbs in the recirculated waters becomes liquid state by gaseous state, and this process is the accumulation of energy process; Finish Deng accumulation of energy, when water temperature was higher in the water tank, phase-change material just can become gaseous state by liquid state, released cold quantity.
The phase transformation released cold quantity circulatory system only relates to the water system part; At this moment, because T1 T6, phase-change material 2 accumulation of energy finishes can released cold quantity; Utilize liquid phase-change latent heat that cold is discharged in the water system; Drive through water pump 7 and to send into indoorly, in indoor heat exchanger 5, cold is discharged into indoor.The water system water flow inside is to being: water pump 7 → triple valve 8 → water fluorine heat exchanger 14 → flow through phase-change material 2 → indoor heat exchanger 5 → water pump 7 in the water tank.
In the phase transformation released cold quantity circulatory system course of work, the power consumption parts of operation have only water pump 7, indoor fan 4, and least in power-consuming 3 kinds of circulatory system kinds, Energy Efficiency Ratio is the highest.
Certainly; Above-mentioned explanation is not to be the restriction to the utility model; The utility model also be not limited in above-mentioned for example, variation, remodeling, interpolation or replacement that those skilled in the art are made in the essential scope of the utility model also should belong to the protection domain of the utility model.
Claims (6)
1. multisystem circular air conditioner group; It is characterized in that; Comprise control module, the outdoor temperature sensor and the indoor temperature transmitter that are connected with said control module respectively; Described multisystem circular air conditioner group also comprises compressor, condenser, choke valve and the water fluorine heat exchanger that is formed a flow cycle by pipeline connection; And also comprise water tank, indoor heat exchanger, the water pump that is connected to form an other flow cycle with described water fluorine heat exchanger, and described multisystem circular air conditioner group also comprises outdoor heat exchanger, an end of said outdoor heat exchanger is connected by triple valve with water pump with water fluorine heat exchanger; An other end of said water fluorine heat exchanger connects water tank; Described outdoor heat exchanger one side is provided with the outdoor fan that is connected with control module, and said indoor heat exchanger one side is provided with the indoor fan that is connected with control module, and described compressor, triple valve, water pump are connected with control module respectively.
2. multisystem circular air conditioner group according to claim 1 is characterized in that described outdoor temperature sensor is arranged on outdoor heat exchanger one side, and described indoor temperature transmitter is arranged on indoor heat exchanger one side.
3. multisystem circular air conditioner group according to claim 1 and 2 is characterized in that, is provided with phase-change material in the described water tank, in water tank, is provided with the temperature sensor that is used to detect phase-change material temperature, and said temperature sensor is connected with control module.
4. multisystem circular air conditioner group according to claim 3 is characterized in that, described phase-change material is arranged in the water tank after being encapsulated by shell.
5. multisystem circular air conditioner group according to claim 4 is characterized in that described shell is a plastic casing.
6. according to claim 1 or 2 or 4 or 5 described multisystem circular air conditioner groups, it is characterized in that: described choke valve is heating power expansion valve, electric expansion valve or capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135274 CN202581627U (en) | 2012-04-01 | 2012-04-01 | Multisystem circulating air-conditioning unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135274 CN202581627U (en) | 2012-04-01 | 2012-04-01 | Multisystem circulating air-conditioning unit |
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| Publication Number | Publication Date |
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| CN202581627U true CN202581627U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220135274 Expired - Lifetime CN202581627U (en) | 2012-04-01 | 2012-04-01 | Multisystem circulating air-conditioning unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482614A (en) * | 2014-11-17 | 2015-04-01 | 广东申菱空调设备有限公司 | Double-cold-source sensible heat treatment high-temperature air-conditioning unit and control method thereof |
| CN112146300A (en) * | 2019-06-28 | 2020-12-29 | 苏州电器科学研究院股份有限公司 | Cooling unit serving great temperature difference change environment |
-
2012
- 2012-04-01 CN CN 201220135274 patent/CN202581627U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482614A (en) * | 2014-11-17 | 2015-04-01 | 广东申菱空调设备有限公司 | Double-cold-source sensible heat treatment high-temperature air-conditioning unit and control method thereof |
| CN104482614B (en) * | 2014-11-17 | 2017-07-25 | 广东申菱环境系统股份有限公司 | A kind of pair of low-temperature receiver sensible heat processing high-temperature air conditioner unit and its control method |
| CN112146300A (en) * | 2019-06-28 | 2020-12-29 | 苏州电器科学研究院股份有限公司 | Cooling unit serving great temperature difference change environment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
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| CX01 | Expiry of patent term |