CN105890082B - Cool-storage type air conditioner and its control method - Google Patents
Cool-storage type air conditioner and its control method Download PDFInfo
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- CN105890082B CN105890082B CN201610210199.XA CN201610210199A CN105890082B CN 105890082 B CN105890082 B CN 105890082B CN 201610210199 A CN201610210199 A CN 201610210199A CN 105890082 B CN105890082 B CN 105890082B
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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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—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 cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F2005/0032—Systems storing energy during the night
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of cool-storage type air conditioner and its control methods, cool-storage type air conditioner includes: refrigerant-cycle systems, refrigerant-cycle systems include: the sequentially connected compressor of head and the tail, condenser, throttling set and cool-storage type evaporator, cool-storage type evaporator includes: evaporation element and cold-storage unit spaced apart, evaporation element is suitable for providing cooling capacity to cold-storage unit, cold-storage unit includes multiple cold-storage monomers, and the hydrate of carbon dioxide and tetrabutylammonium bromide is mounted in each cold-storage monomer;The refrigerating medium circulatory system, the refrigerating medium circulatory system include: the First Heat Exchanger being sequentially connected end to end in turn, circulating pump and the second heat exchanger, and First Heat Exchanger is arranged in cold-storage unit, and the second heat exchanger is located in indoor environment.Above-mentioned cool-storage type air conditioner good refrigeration effect, and production cost is low, and practicability is preferable.
Description
Technical field
The present invention relates to the controls of air-conditioning technical field more particularly to a kind of cool-storage type air conditioner and the cool-storage type air conditioner
Method processed.
Background technique
As people's living standard improves the development with society, the demand to refrigeration air-conditioner is sharply increased, and air-conditioning system needs
A large amount of electric energy is consumed, shows that air conditioning electricity consumption has accounted for 60%-the 70% of building total power consumption according to data statistics, currently
Due to energy shortages, power tense, the development of air-conditioning cause is by strong influence.
In the related technology, some cool-storage type air conditioners use efficient electronic refrigerating chip and cold-accumulating box, and can be used and hand over
Galvanic electricity or solar energy, thus cool-storage type air conditioner has the advantage that and avoids environmental pollution and noise jamming;Low energy consumption, only
The one third of compressor refrigeration;It can be used with late into the night refrigeration, cold-storage for daytime, not only save the electricity charge but also be conducive to power department and cut
Peak load.But the refrigeration performance of the cool-storage type air conditioner is unstable, and it is higher using thermoelectric cooling technical costs, it is not able to satisfy use
The demand at family, the practicability is poor.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
The cool-storage type air conditioner of a kind of good refrigeration effect out.
The present invention further proposes a kind of control method of cool-storage type air conditioner.
Cool-storage type air conditioner according to the present invention, comprising: refrigerant-cycle systems, the refrigerant-cycle systems include:
Sequentially connected compressor, condenser, throttling set and cool-storage type evaporator from beginning to end, the cool-storage type evaporator include: interval
The evaporation element and cold-storage unit opened, the evaporation element are suitable for providing cooling capacity, the cold-storage unit packet to the cold-storage unit
Multiple cold-storage monomers are included, the hydrate of carbon dioxide and tetrabutylammonium bromide is mounted in each cold-storage monomer;Refrigerating medium
The circulatory system, the refrigerating medium circulatory system include: the First Heat Exchanger being sequentially connected end to end in turn, circulating pump and the second heat exchanger,
The First Heat Exchanger is arranged in the cold-storage unit, and second heat exchanger is located in indoor environment.
Cool-storage type air conditioner according to the present invention by the way that cold-storage unit is arranged, and is provided in cold-storage unit multiple
It is mounted with the cold-storage unit of the hydrate of carbon dioxide and tetrabutylammonium bromide, the cold accumulation effects of cold-accumulating air conditioner can be made
It is good, the refrigeration effect of cool-storage type air conditioner can be promoted, the production cost of cool-storage type air conditioner can also be reduced, storage can be promoted
The practicability of cold mould air conditioner.
In addition, cool-storage type air conditioner according to the present invention can also have following distinguishing feature:
In some examples of the invention, the cool-storage type evaporator includes: shell, be provided in the shell insulation every
The shell is separated into first part and second part by plate, the thermal baffle, the refrigeration in the refrigerant-cycle systems
Agent is flowed into constitute the evaporation element in the first part, and the cold-storage monomer is located in the second part to constitute
The cold-storage unit.
In some examples of the invention, heat pipe, the heat are connected between the evaporation element and the cold-storage unit
Pipe includes: the condensation segment being sequentially connected, adiabatic section and evaporator section, and the condensation segment is arranged in the evaporation element, described exhausted
Hot arc is arranged on the thermal baffle, and the evaporator section is arranged in the cold-storage unit.
In some examples of the invention, the cold-storage monomer includes shell, and the titanium dioxide is mounted in the shell
The hydrate of carbon and tetrabutylammonium bromide, the shell are alumiaum article.
In some examples of the invention, the shell of the cold-storage monomer is spherical shape.
In some examples of the invention, the refrigerating medium of the refrigerating medium circulatory system is glycol water, the second
The dose volume ratio of glycol and the water is 4:1.
In some examples of the invention, water of the tetrabutylammonium bromide in the carbon dioxide and tetrabutylammonium bromide
Closing the concentration range in object is 25%-45%.
The control method of cool-storage type air conditioner according to the present invention, comprising: the temperature in S1, the detection cold-storage unit
Tx;S2, judge whether the temperature Tx in the cold-storage unit is higher than predetermined value Ty: as Tx >=Ty, starting the refrigerant and follow
Loop system;As Tx < Ty, the refrigerant-cycle systems are closed;S3, it detects indoor environment temperature and obtains detected value T1, examine
It surveys the temperature of second heat exchanger and obtains detected value T2;S4, the operation that the circulating pump is determined according to the difference T0 of T1-T2
Frequency P.Cool-storage type air conditioner good refrigeration effect can be made using above-mentioned control method, and can satisfy the comfort of user
It is required that.
In addition, the control method of cool-storage type air conditioner according to the present invention can also have following distinguishing feature:
In some examples of the invention, the running frequency P of the circulating pump meets following relational expression: P=a × (T1-
T2), wherein a is coefficient of frequency.
In some examples of the invention, the frequency of the circulating pump is more gear frequencies, is increased in advance when the difference T0 is every
When definite value, the running frequency upshift of the circulating pump is controlled.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cool-storage type air conditioner according to an embodiment of the present invention;
Fig. 2 is the flow chart of the control method of the cool-storage type air conditioner in Fig. 1.
Appended drawing reference:
Cool-storage type air conditioner 1000;
Refrigerant-cycle systems 100;Compressor 10;Condenser 20;Throttling set 30;
Cool-storage type evaporator 40;Evaporation element 41;Cold-storage unit 42;Cold-storage monomer 42a;Shell 43;Thermal baffle 44;Heat
Pipe 45;Condensation segment 45a;Adiabatic section 45b;Evaporator section 45c;
The refrigerating medium circulatory system 200;First Heat Exchanger 210;Circulating pump 220;Second heat exchanger 230.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings cool-storage type air conditioner 1000 according to an embodiment of the present invention is described in detail.
Cool-storage type air conditioner 1000 according to an embodiment of the present invention may include: refrigerant-cycle systems 100 and refrigerating medium
The circulatory system 200.Wherein, as shown in Figure 1, refrigerant-cycle systems 100 may include: the sequentially connected compressor 10 of head and the tail,
Condenser 20, throttling set 30 and cool-storage type evaporator 40, cool-storage type evaporator 40 include: evaporation element 41 spaced apart and store
Cold unit 42, evaporation element 41 are suitable for providing cooling capacity to cold-storage unit 42, and cold-storage unit 42 includes multiple cold-storage monomer 42a, often
The hydrate of carbon dioxide and tetrabutylammonium bromide is mounted in a cold-storage monomer 42a.Optionally, throttling set 30 can be hair
Tubule.
When refrigerant-cycle systems 100 work, high pressure gaseous refrigerant can be delivered to condenser by compressor 10
In 20, high pressure gaseous refrigerant can carry out heat exchange with external environment in condenser 20, and then gaseous coolant is throttling
Low-temp low-pressure gaseous coolant is converted under the action of device 30, low-temp low-pressure gaseous coolant can flow to cool-storage type evaporator 40
In evaporation element 41 in, and low-temp low-pressure gaseous coolant can with the refrigerant of evaporation element 41 carry out heat exchange.Heat is handed over
Cooling capacity can be passed to cold-storage unit 42 by the refrigerant after changing, and have multiple cold-storage monomer 42a, cold-storage list in cold-storage unit 42
The hydrate of carbon dioxide and tetrabutylammonium bromide in body 42a can preferably store cooling capacity in cool-storage type air conditioner 1000
Cooling capacity is provided when needing.
Wherein, using carbon dioxide and the hydrate of tetrabutylammonium bromide as cold-storage material, so that cold-storage list
The cold accumulation effects of member 42 are preferable, and cold-storage unit 42 can also meet the cold-storage and supply requirement of cool-storage type air conditioner 1000.
The cold-storage monomer 42a of the hydrate of carbon dioxide and tetrabutylammonium bromide is mounted with by being arranged, it is ensured that cool-storage type air-conditioning
The refrigeration performance of device 1000, and the production cost of cool-storage type air conditioner 1000 can be reduced, improve cool-storage type air conditioner 1000
Practicability.In addition, by using cool-storage type evaporator 40, it can be energy saving to avoid peak of power consumption.
Optionally, concentration range of the tetrabutylammonium bromide in carbon dioxide and the hydrate of tetrabutylammonium bromide is
25%-45%.The cold accumulation effects for meeting the carbon dioxide of above-mentioned concentration and the hydrate of tetrabutylammonium bromide are good, so as to mention
Rise the refrigeration effect of cool-storage type air conditioner 1000.Preferably, water of the tetrabutylammonium bromide in carbon dioxide and tetrabutylammonium bromide
Closing the concentration range in object can be 35%.
An alternative embodiment according to the present invention, as shown in Figure 1, cool-storage type evaporator 40 may include: shell 43, shell
Thermal baffle 44 is provided in body 43, shell 43 is separated into first part and second part, refrigerant circulation by thermal baffle 44
Refrigerant in system 100 is flowed into constitute evaporation element 41 in first part, cold-storage monomer 42a be located in second part with
Constitute cold-storage unit 42.40 structure of cool-storage type evaporator is simple and reliable as a result, additionally by by evaporation element 41 and cold-storage list
Member 42 is arranged in same housing 43, can effectively reduce the loss of refrigeration capacity of cool-storage type evaporator 40, by the way that thermal baffle is arranged
44 can transmit cooling capacity to evaporation element 41 to avoid cold-storage unit 42, it is ensured that the functional reliability of cool-storage type evaporator 40.
Preferably, shell 43 can be insulation shell.
The cooling capacity transfer mode of a kind of optional evaporation element 41 and cold-storage unit 42 is provided in detail below.
Optionally, as shown in Figure 1, can connect heat pipe 45 between evaporation element 41 and cold-storage unit 42, heat pipe 45 is wrapped
Include: condensation segment 45a, adiabatic section 45b and the evaporator section 45c being sequentially connected, condensation segment 45a are arranged in evaporation element 41, insulation
Section 45b is arranged on thermal baffle 44, and evaporator section 45c is arranged in cold-storage unit 42.By the characteristic of heat pipe 45, heat pipe 45 can
Cold-storage monomer 42a the cooling capacity in evaporation element 41 to be transferred in cold-storage unit 42, and in cold-storage unit 42 can be compared with
Store cooling capacity well.Preferably, as shown in Figure 1, cold-storage monomer 42a can be configured to spherical shape, spherical cold-storage monomer 42a is easy to
Production, and the space utilization rate of cold-storage unit 42 can be promoted.Optionally, cold-storage monomer 42a may include shell, in shell
It can be mounted with the hydrate of carbon dioxide and tetrabutylammonium bromide, shell can be alumiaum article.It is understood that aluminum
Shell flexibility is preferable, and the heat-conducting effect of aluminium is preferable, can store up in order to carbon dioxide and the hydrate of tetrabutylammonium bromide
Deposit cooling capacity.
As shown in Figure 1, the refrigerating medium circulatory system 200 may include: the First Heat Exchanger 210 being sequentially connected end to end in turn, circulation
Pump 220 and the second heat exchanger 230, First Heat Exchanger 210 are arranged in cold-storage unit 42, and the second heat exchanger 230 is located at indoor ring
In border.When the refrigerating medium circulatory system 200 work when, First Heat Exchanger 210 can with the cold-storage monomer 42a in cold-storage unit 42 into
Row heat exchange, circulating pump 220 can will be delivered to the in First Heat Exchanger 210 and with the cold-storage monomer 42a refrigerating medium for completing heat exchange
Two heat exchangers 230 so that refrigerating medium can exchange heat in the second heat exchanger 230 with indoor environment, and then can reduce interior
The temperature of environment, the refrigerating medium in the second heat exchanger 230 be back in First Heat Exchanger 210 again with cold-storage monomer 42a again
It is secondary to exchange heat.Cool-storage type air conditioner 1000 can constantly exchange heat with indoor environment to reduce room temperature as a result,.
Optionally, the refrigerating medium of the refrigerating medium circulatory system 200 can be glycol water, the preparation body of ethylene glycol and water
Product ratio can be 4:1.Meet the good effect of heat exchange of the glycol water of aforementioned proportion, cool-storage type air conditioner 1000 can be promoted
Refrigeration effect, the comfort of user can be promoted.
Cool-storage type air conditioner 1000 according to an embodiment of the present invention, by the way that cold-storage unit 42 is arranged, and in cold-storage unit
It is provided with the cold-storage unit 42 of multiple hydrates for being mounted with carbon dioxide and tetrabutylammonium bromide in 42, cold-storage can be made empty
It adjusts the cold accumulation effects of device good, the refrigeration effect of cool-storage type air conditioner 1000 can be promoted, cool-storage type air conditioner can also be reduced
1000 production cost can promote the practicability of cool-storage type air conditioner 1000.
The control method of cool-storage type air conditioner 1000 according to the above embodiment of the present invention is described in detail below with reference to Fig. 2.
The control method of cool-storage type air conditioner 1000 according to an embodiment of the present invention, comprising:
Temperature in S1, detection cold-storage unit 42, the temperature Tx in available cold-storage unit 42.
S2, judge whether the temperature Tx in cold-storage unit 42 is higher than predetermined value Ty: as Tx >=Ty, starting refrigerant circulation
System 100;As Tx < Ty, cooling cycle system is closed.As a result, when the temperature Tx temperature in cold-storage unit 42 is higher than predetermined value
When Ty, refrigerant-cycle systems 100 work, and low-temp low-pressure gaseous coolant can be continuously flowed evaporation element 41, and low temperature
Low-pressure gaseous refrigerant can exchange heat under the action of heat pipe 45 with the cold-storage monomer 42a in cold-storage unit 42, cold-storage monomer
42a stores cooling capacity until Tx is less than Ty.As Tx < Ty, the cooling capacity in cold-storage unit 42 is met the requirements, refrigerant-cycle systems
100 can stop working, so as to reduce the energy consumption of cool-storage type air conditioner 1000.Wherein, Ty can be set according to the actual situation
It is fixed.
S3, it detects indoor environment temperature and obtains detected value T1, detect the temperature of the second heat exchanger 230 and obtain detected value
T2, this step are carried out when cool-storage type air conditioner 1000 is in open state.
S4, the running frequency P that circulating pump 220 is determined according to the difference T0 of T1-T2.It can be chosen reasonably by difference T0
The running frequency P of circulating pump 220.Such as when difference T0 is larger, the running frequency P of circulating pump 220 can increase, so as to
Increase the flow of refrigerating medium, increase the heat exchange of the refrigerating medium and indoor environment in the second heat exchanger 230, and then interior can be made
Environment fast cooling promotes the comfort of user.Such as when difference T0 is smaller, the running frequency P of circulating pump 220 can subtract
It is small, so as to reduce the flow of refrigerating medium, reduce the heat exchange of the refrigerating medium and indoor environment in the second heat exchanger 230, in turn
Indoor environment temperature can be made to reduce and be in preference temperature, the comfort of user can be promoted.
The selection mode of the running frequency P of two kinds of optional circulating pumps 220 is provided below.
First preferred embodiment according to the present invention, the running frequency P of circulating pump 220 can satisfy following relational expression: P
=a × (T1-T2), wherein a is coefficient of frequency.The difference T0 of the running frequency P and T1-T2 of circulating pump 220 meet linear as a result,
Relationship can satisfy relaxing for user so that the refrigerating medium circulatory system 200 can meet the refrigeration requirement of cool-storage type air conditioner 1000
Adaptive requirement.
The running frequency P of second preferred embodiment according to the present invention, circulating pump 220 can be more gear frequencies, be on duty
When the every increase predetermined value of value T0, the running frequency upshift of control loop pump 220.As a result, frequency is kept off by the way that setting more, can make
Difference T0 in a certain range chooses identical gear frequency, and the control mode of circulating pump 220 can be made simple and reliable,
And the refrigeration effect of cool-storage type air conditioner 1000 can satisfy the demand of user.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of cool-storage type air conditioner characterized by comprising
Refrigerant-cycle systems, the refrigerant-cycle systems include: the sequentially connected compressor of head and the tail, condenser, throttling dress
Set with cool-storage type evaporator, the cool-storage type evaporator includes: evaporation element and cold-storage unit spaced apart, the evaporation element
Suitable for providing cooling capacity to the cold-storage unit, the cold-storage unit includes multiple cold-storage monomers, and each cold-storage monomer is built-in
It is loaded with the hydrate of carbon dioxide and tetrabutylammonium bromide, the cool-storage type evaporator includes: shell, is provided in the shell
The shell is separated into first part and second part by thermal baffle, the thermal baffle, in the refrigerant-cycle systems
Refrigerant flow into constitute the evaporation element in the first part, the cold-storage monomer is located in the second part
To constitute the cold-storage unit;
The refrigerating medium circulatory system, the refrigerating medium circulatory system include: the First Heat Exchanger being sequentially connected end to end in turn, circulating pump and
Two heat exchangers, the First Heat Exchanger are arranged in the cold-storage unit, and second heat exchanger is located in indoor environment.
2. cool-storage type air conditioner according to claim 1, which is characterized in that the evaporation element and the cold-storage unit it
Between be connected with heat pipe, the heat pipe includes: the condensation segment being sequentially connected, adiabatic section and evaporator section, and the condensation segment is arranged in institute
It states in evaporation element, the adiabatic section is arranged on the thermal baffle, and the evaporator section is arranged in the cold-storage unit.
3. cool-storage type air conditioner according to claim 1, which is characterized in that the cold-storage monomer includes shell, described outer
The hydrate of the carbon dioxide and tetrabutylammonium bromide is mounted in shell, the shell is alumiaum article.
4. cool-storage type air conditioner according to claim 1, which is characterized in that the shell of the cold-storage monomer is spherical shape.
5. cool-storage type air conditioner according to claim 1, which is characterized in that the refrigerating medium of the refrigerating medium circulatory system is
The dose volume ratio of glycol water, ethylene glycol and water is 4:1.
6. cool-storage type air conditioner according to claim 1, which is characterized in that the tetrabutylammonium bromide is in the titanium dioxide
Concentration range in carbon and the hydrate of tetrabutylammonium bromide is 25%-45%.
7. a kind of control method of cool-storage type air conditioner according to claim 1 to 6, which is characterized in that packet
It includes:
Temperature Tx in S1, the detection cold-storage unit;
S2, judge whether the temperature Tx in the cold-storage unit is higher than predetermined value Ty:
As Tx >=Ty, start the refrigerant-cycle systems;
As Tx < Ty, the refrigerant-cycle systems are closed;
S3, it detects indoor environment temperature and obtains detected value T1, detect the temperature of second heat exchanger and obtain detected value T2;
S4, the running frequency P that the circulating pump is determined according to the difference T0 of T1-T2.
8. the control method of cool-storage type air conditioner according to claim 7, which is characterized in that the operation frequency of the circulating pump
Rate P meets following relational expression: P=a × (T1-T2), and wherein a is coefficient of frequency.
9. the control method of cool-storage type air conditioner according to claim 7, which is characterized in that the frequency of the circulating pump is
Multi gear frequency controls the running frequency upshift of the circulating pump when the every increase predetermined value of the difference T0.
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CN201610210199.XA CN105890082B (en) | 2016-04-06 | 2016-04-06 | Cool-storage type air conditioner and its control method |
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CN201610210199.XA CN105890082B (en) | 2016-04-06 | 2016-04-06 | Cool-storage type air conditioner and its control method |
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CN105890082B true CN105890082B (en) | 2019-03-12 |
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