CN104566649B - Air conditioner and its control method - Google Patents

Air conditioner and its control method Download PDF

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Publication number
CN104566649B
CN104566649B CN201410848223.3A CN201410848223A CN104566649B CN 104566649 B CN104566649 B CN 104566649B CN 201410848223 A CN201410848223 A CN 201410848223A CN 104566649 B CN104566649 B CN 104566649B
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China
Prior art keywords
air conditioner
frequency
temperature
storage equipment
energy storage
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CN201410848223.3A
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CN104566649A (en
Inventor
刘智勇
张�浩
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GD Midea Air Conditioning Equipment Co Ltd
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Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201410848223.3A priority Critical patent/CN104566649B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data

Abstract

The invention provides a kind of air conditioner and its control method.The air conditioner includes controller, condenser, frequency-changeable compressor, throttling arrangement and energy storage equipment, and condenser is located in energy storage equipment, and one end is connected with frequency-changeable compressor, and the other end is connected with throttling arrangement;Air conditioner also includes the first temperature sensor being arranged on energy storage equipment and the second temperature sensor being arranged on the pipeline that condenser is connected with throttling arrangement, second temperature sensor is located at outside the accumulation of energy agent of energy storage equipment, and frequency-changeable compressor, first temperature sensor and second temperature sensor are electrically connected with the controller, when the temperature value of the first temperature sensor detection is higher than the first preset value, and the temperature value of second temperature sensor detection is when being less than the second preset value, the working frequency of controller control frequency-changeable compressor reduces, when the temperature value of second temperature sensor detection is higher than the second preset value, controller control frequency-changeable compressor is stopped, realize the intelligent control of air conditioner.

Description

Air conditioner and its control method
Technical field
The present invention relates to air-conditioning technical field, more specifically, is related to the control method of a kind of air conditioner and the air conditioner.
Background technology
In the prior art, mobile air conditioner can conveniently realize the purpose locally freezed in large space, mobile air conditioner it is cold The hot blast of solidifying side discharge, has two kinds of processing methods, one kind is to connect an exhaust duct, is discharged into outdoor, and another kind is directly to arrange at present It is put among the interior space.But for not being too big place as spaces such as family parlor, kitchens, local refrigeration is realized, The problems such as exhaust duct is oversize, exhaust duct placement is inconvenient can be run into;Or due to narrow space, directly to interior space air draft pair The problems such as refrigeration has a great influence, energy consumption is excessive.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.
Therefore, the purpose of one aspect of the invention is, there is provided a kind of air conditioner, by setting energy storage equipment to condenser Cooled down, come solve the problems, such as condensation side discharge hot blast, and by detect the temperature of accumulation of energy agent and condenser output end refrigerant come The working frequency of frequency-changeable compressor is adjusted, to improve the refrigeration of air conditioner.
The purpose of another aspect of the invention is, there is provided a kind of control method of above-mentioned air conditioner.
To achieve the above object, the embodiment of one aspect of the invention provides a kind of air conditioner, and the air conditioner includes Controller, condenser, frequency-changeable compressor, throttling arrangement and energy storage equipment, the condenser are located in the energy storage equipment, and one End is connected by pipeline with the frequency-changeable compressor, and the other end is connected by pipeline with the throttling arrangement, the frequency conversion compression Machine electrically connects with the controller;The air conditioner also includes:First temperature sensor, first temperature sensor are arranged on On the energy storage equipment, and electrically connected with the controller, the temperature of the accumulation of energy agent for detecting the energy storage equipment;With second Temperature sensor, the second temperature sensor is arranged on the pipeline that the condenser is connected with the throttling arrangement, and position Outside the accumulation of energy agent, and the second temperature sensor electrically connects with the controller.
The air conditioner that the above embodiment of the present invention provides, the first temperature sensor is arranged on energy storage equipment, available for examining The temperature of the accumulation of energy agent of energy storage equipment is surveyed, second temperature sensor is arranged on one end that condenser is connected with throttling arrangement, i.e., Be arranged on the output end of condenser under cooling condition, available for detection condenser output end refrigerant temperature, and controller with First temperature sensor, second temperature sensor and frequency-changeable compressor electrical connection, can be according to the first temperature sensor and the second temperature The temperature of sensor detection is spent, controls the work of frequency-changeable compressor, such as:Under cooling condition, when the first temperature sensor detects When temperature is higher and the temperature of the condenser output end refrigerant of second temperature sensor detection is relatively low of accumulation of energy agent, controller Controlling the working frequency of frequency-changeable compressor reduces, and the refrigerant temperature of the condenser output end of second temperature sensor detection is higher When, controller control frequency-changeable compressor is stopped.Specifically, when the temperature of accumulation of energy agent is higher, it is cooled down and accumulation of heat effect becomes Difference, the working frequency of frequency-changeable compressor can be now reduced, reduce the heat dissipation capacity of condenser, so as to reduce the temperature rise of accumulation of energy agent speed Degree, air conditioner is set to maintain the working condition of low speed refrigeration;When the refrigerant temperature of condenser output end is higher, stored in energy storage equipment Can agent can not absorptive condenser distributes well heat so that the heat exchange efficiency of condenser is low, the refrigeration of air conditioner Difference, now control frequency-changeable compressor to be stopped, that is, control air conditioner to be stopped, avoid energy waste.User can be in air-conditioning Device is stopped and energy storage equipment natural cooling and gradually recovers to reopen air conditioner during room temperature, or also can pass through to change and store Accumulation of energy agent in energy device, makes energy storage equipment have good accumulation of heat effect again, is again turned on air conditioner and carries out refrigeration work Make.
To sum up, by setting two temperatures sensor, the temperature of accumulation of energy agent and condenser output end refrigerant, and root are detected respectively According to the result of detection, the working frequency of frequency-changeable compressor is controlled, the control to air conditioner work is realized, so that air conditioner Control it is more intelligent.
In addition, the air conditioner that the above embodiment of the present invention provides also has following additional technical feature:
According to one embodiment of present invention, the energy storage equipment includes accumulation of energy casing and in the accumulation of energy casing Accumulation of energy agent, first temperature sensor are inserted in the accumulation of energy agent.
According to one embodiment of present invention, the energy storage equipment is water tank, and the accumulation of energy agent is water, first temperature Sensor is located at the water surface to underwater a quarter.
According to one embodiment of present invention, the height of the water tank is higher than the height of the condenser, the condenser Positioned at the bottom of water tank, and the water surface did not had the upper surface of the condenser.
According to one embodiment of present invention, the air conditioner is integral type air conditioner, and the air conditioner includes a casing, The air inlet and air outlet being connected, the condenser, the compressor, the throttling arrangement and institute are offered on the casing Energy storage equipment is stated to be respectively positioned in the casing.
According to one embodiment of present invention, the energy storage equipment is installed in the casing;Or the energy storage equipment It is removably mounted in the casing.
According to one embodiment of present invention, the bottom of the side wall of the energy storage equipment offers an outlet, the storage Energy agent can discharge from the outlet.
According to one embodiment of present invention, the energy storage equipment is located at the side of the frequency-changeable compressor;It is or described Energy storage equipment is in a ring or arc, the energy storage equipment are set around the frequency-changeable compressor.
According to one embodiment of present invention, the exterior bottom wall of the casing is provided with universal wheel;And/or the air inlet Place is provided with screen pack.
The embodiment of another aspect of the present invention provides a kind of control method of above-mentioned air conditioner, comprises the following steps:The One temperature sensor detects the temperature of accumulation of energy agent, and second temperature sensor detects the temperature of refrigerant, when first TEMP The temperature value of device detection is less than the second preset value higher than the first preset value T1 and the second temperature sensor detection temperature value During T2, the working frequency of controller control frequency-changeable compressor decreases below predeterminated frequency H;When the second temperature sensor is examined When the temperature value of survey is higher than the second preset value T2, the controller controls the frequency-changeable compressor to be stopped.
According to one embodiment of present invention, the first preset value T1 is 35-42 DEG C, and the second preset value T2 is 50-65 DEG C, the scope of the predeterminated frequency H is in 35-50HZ.
According to one embodiment of present invention, after the temperature of the accumulation of energy agent is increased beyond the first preset value T1, The controller controls the frequency of the frequency-changeable compressor progressively to decline from the predeterminated frequency H, until the temperature of the refrigerant Higher than the second preset value T2.
The additional aspect and advantage of the present invention will become obvious in following description section, or the practice by the present invention Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein:
Fig. 1 and Fig. 2 is the structural representation of the air conditioner according to one embodiment of the invention, and wherein Fig. 1 is air-conditioning View during the horizontal air-out of device, view when Fig. 2 is air conditioner air-out obliquely;
Fig. 3 and Fig. 4 is the structural representation of air conditioner described according to a further embodiment of the invention, and wherein Fig. 3 is empty Adjust view during the horizontal air-out of device, view when Fig. 4 is air conditioner air-out obliquely;
Fig. 5 is the schematic flow sheet of the control method of the air conditioner according to one embodiment of the invention.
Wherein, Fig. 1 is to the corresponding relation between Fig. 4 references and each component names:
1 air conditioner, 10 casings, 100 air inlets, 101 air outlets, 102 screen packs, 11 controllers, 12 frequency-changeable compressors, 13 Condenser, 14 throttling arrangements, 15 evaporators, 16 blower fans, 17 energy storage equipments, 170 accumulation of energy agent, 171 outlets, 18 universal wheels, its Broken lined arrows in middle Fig. 1 to Fig. 4 represent the flow direction of wind.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also By using other be different from it is described here in a manner of implement, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.
The control method of the air conditioner and air conditioner provided according to embodiments of the present invention is described with reference to the accompanying drawings.
As shown in Figures 1 to 4, the embodiment provides a kind of air conditioner 1, the air conditioner 1 to include controller 11st, frequency-changeable compressor 12, condenser 13, throttling arrangement 14, evaporator 15 and energy storage equipment 17, the frequency-changeable compressor 12, institute State condenser 13, the throttling arrangement 14, the evaporator 15 to be sequentially connected and connect by pipeline, composition closing refrigerant flow is cold Matchmaker can be flowed in the refrigerant flow;The condenser 13 is located in the energy storage equipment 17, so that energy storage equipment 17 absorbs The heat that condenser distributes when air conditioner freezes.
The air conditioner 1 also includes the first temperature sensor (not shown) and second temperature sensor (is not shown in figure Go out), the first temperature sensor (not shown) is arranged on the energy storage equipment 17, for detecting in energy storage equipment 17 The temperature of accumulation of energy agent 170;The second temperature sensor is arranged on the pipeline that the condenser is connected with the throttling arrangement 14 Above (i.e. under cooling condition on the output end pipeline of condenser), for detecting the refrigerant temperature of the output end of condenser 13, and it is described Second temperature sensor is located at the outside of the accumulation of energy agent 170, against the influence of accumulation of energy agent temperature, and the frequency-changeable compressor 12nd, the first temperature sensor and second temperature sensor are connected with controller 11, and according to the first temperature sensor and The temperature of two temperature sensors detection, controls the work of frequency-changeable compressor 11, such as:Under cooling condition, when the first TEMP When temperature is higher and the refrigerant temperature of the condenser output end of second temperature sensor detection is relatively low of the accumulation of energy agent of device detection, The working frequency of controller control frequency-changeable compressor reduces, the refrigerant temperature of the condenser output end of second temperature sensor detection When higher, controller control frequency-changeable compressor is stopped.Specifically, when the temperature of accumulation of energy agent is higher, it is cooled down and accumulation of heat effect Fruit is deteriorated, and can now reduce the working frequency of frequency-changeable compressor, the heat dissipation capacity of condenser is reduced, so as to reduce the temperature rise of accumulation of energy agent Speed, air conditioner is set to maintain the working condition of low speed refrigeration;When the refrigerant temperature of condenser output end is higher, in energy storage equipment Accumulation of energy agent can not absorptive condenser well the heat distributed so that the heat exchange efficiency of condenser is low, the refrigeration of air conditioner Effect is poor, now controls frequency-changeable compressor to be stopped, that is, controls air conditioner to be stopped, avoid energy waste.User can be Air conditioner is stopped and energy storage equipment natural cooling and gradually recovers to reopen air conditioner during room temperature, or also can be by more The accumulation of energy agent changed in energy storage equipment, make energy storage equipment that there is good accumulation of heat effect again, be again turned on air conditioner and made Cold work.
To sum up, by setting two temperatures sensor, the refrigerant temperature of accumulation of energy agent and condenser output end, and root are detected respectively According to the result of detection, the working frequency of frequency-changeable compressor is controlled, the control to air conditioner work is realized, so that air conditioner Control it is more intelligent.
Further, as shown in figure 1, the energy storage equipment 17 includes accumulation of energy casing and the accumulation of energy in the accumulation of energy casing Agent 170, first temperature sensor is inserted in the accumulation of energy agent 170, so that the first temperature sensor can accurately detect Accumulation of energy agent temperature in energy storage equipment, so as to the temperature of the accumulation of energy agent according to detection, to know the energy storage capability of energy storage equipment, and then The working frequency of frequency-changeable compressor is controlled, the working frequency of frequency-changeable compressor is adapted with the energy storage capability of energy storage equipment, makes The temperature value that first temperature sensor detects is higher, and the working frequency of controller control frequency-changeable compressor is lower.
In one particular embodiment of the present invention, the energy storage equipment 17 is water tank, and the accumulation of energy agent 170 is water, and First temperature sensor is located at the water surface to underwater a quarter.
Preferably, the height of the water tank is higher than the height of the condenser 13, and the condenser 13 is located at the bottom of water tank Portion, and the water surface did not had the upper surface of the condenser 13.
Condenser is located at the bottom of water tank, and during refrigeration, the water around condenser is heated at first, with the convection current of dampening, on The temperature of the water in portion is stepped up, when the first temperature sensor at the water surface to underwater a quarter detects that water temperature reaches During to a certain preset value (such as the first preset value), illustrate that the amount of stored heat of now water tank has reached a certain amount of, the heat storage capacity of water tank It is relatively low, now can be by reducing the frequency of frequency-changeable compressor, to slow down the heat that condenser distributes, so that the water in water tank can The heat of condenser is fully absorbed, is radiated for condenser, when second temperature sensor detects the refrigerant temperature of condenser output end Degree is when reaching certain certain value (such as second preset value), illustrate the heat storage capacity of now water tank saturation, now controls frequency conversion to compress Machine is stopped.
In addition, using the water with big specific heat capacity as accumulation of energy agent so that the accumulation of heat effect of accumulation of energy agent is good, compared to small ratio Temperature rise when the accumulation of energy agent of thermal capacitance, the accumulation of energy agent of big specific heat capacity absorb identical heat is small, so as to improve accumulation of energy in unit volume The amount of stored heat of agent, and then the heat storage capacity of energy storage equipment is lifted, extend the cooling time of air conditioner;Condenser is fully immersed in water In so that the contact area of water and condenser is big, can fully absorb the heat distributed during condenser heat exchange, lift changing for condenser The thermal efficiency.
Certainly, the accumulation of energy agent 170 can also be other materials in addition to water, such as:Ethylene glycol or paraffin, paraffin is normal Phase transformation can be produced under temperature, heat is absorbed during due to undergoing phase transition, be distributed when being exchanged heat so as to absorptive condenser well Heat, ethylene glycol have larger specific heat capacity, can the heat that distribute when more absorptive condenser exchanges heat, and then realize air-conditioning The good refrigeration of device.Certainly, it can also use other that there is the material of big specific heat capacity, or the material of phase transformation can be produced during normal temperature As accumulation of energy agent, good accumulation of heat effect can be equally realized, will not be repeated here.
In the specific embodiment of the present invention, as shown in Figures 1 to 4, the air conditioner 1 is integral type air conditioner, institute Stating air conditioner 1 includes a casing 10, the frequency-changeable compressor 12, condenser 13, throttling arrangement 14, energy storage equipment 17 and evaporator 15 are respectively positioned on the casing 10, and air inlet 100 and air outlet 101 are offered on the casing 10, the air inlet 100 and institute State and be communicated with air channel between air outlet 101, the evaporator 15 is arranged in the air channel, and blower fan is additionally provided with the air channel 16。
Air conditioner in above-described embodiment is integral type air conditioner, and frequency-changeable compressor, condenser, throttling arrangement, accumulation of energy fill Put, evaporator and blower fan are arranged in a casing of air conditioner, realize the integral structure design of air conditioner, big so as to realize The purpose locally freezed in space;Condenser is located in energy storage equipment, so, what condenser distributed in air conditioner process of refrigerastion Heat can be absorbed by energy storage equipment, be embodied as the effect of condenser cooling, so that condenser can efficiently carry out heat exchange, Both the placement location that had avoided the air conditioner caused by the airduct that needs to run in conventional art is limited, local refrigeration is limited asks Topic, and avoid condenser exchange heat caused by heat be directly discharged in room air, caused by air conditioner poor refrigerating efficiency, The problem of energy consumption is big, it is achieved thereby that the effect of air conditioner fast-refrigerating, and cooled down using energy storage equipment, eliminate cooling blower And the structure such as exhaust duct, make that the movement of air conditioner is more flexible, and holistic cost is also than relatively low.
In the integral air conditioner that the above embodiment of the present invention provides, the calculation formula of accumulation of energy agent quality used is:
M=(Q+W) T/ ((Cp1+Cp2)(T2-T1))+Wr)
Wherein:M-accumulation of energy agent quality, kg
Q-nominal capacity, kW
W-consumption power, kW
T-air conditioner refrigeration duration, s
Cp1, Cp2The specific heat capacity of-cooling material, kJ/kg DEG C
WrThe heat of fusion of-phase-change material, kJ/kg
T1- cooling material initial temperature, DEG C
T2- cooling material finishing temperature, DEG C
It can be seen from above-mentioned calculation formula, the mass M of required accumulation of energy agent is directly proportional to the refrigeration duration T of air conditioner, can root According to the refrigeration duration T of the air conditioner of needs, the mass M of the accumulation of energy agent required for being calculated.
The suitable refrigerating capacity of above-mentioned integral air conditioner is 0.5~3.5kW (kilowatt), a length of 0.5 during suitable refrigeration ~2h.
Certainly, air conditioner can be not only integral type air conditioner, or detachable air conditioner.
In some embodiments of the present invention, the energy storage equipment 17 is installed in the casing 10;Or the accumulation of energy dress 17 are put to be removably mounted in the casing 10.
In above-described embodiment, energy storage equipment can be installed in casing so that the fixation of energy storage equipment and casing;Accumulation of energy Device can be also removably mounted in casing so that the convenient disassembly of energy storage equipment and casing, when air conditioner carries out refrigeration work When causing the temperature of accumulation of energy agent in energy storage equipment higher after work, it is convenient to take out energy storage equipment and change the accumulation of energy of the inside Agent, make energy storage equipment that there is good heat storage capacity again, you can be again turned on air conditioner and freezed.
For example when using both economical water as accumulation of energy agent, directly the accumulation of energy agent in energy storage equipment can be carried out more Change, or, also the higher accumulation of energy agent of temperature can be positioned over natural cooling in air, accumulation of energy agent is recovered normal temperature again, be easy to Used during next air conditioner refrigeration;Also air conditioner can be closed after air conditioner works certain time, makes the storage in its energy storage equipment Energy agent natural cooling simultaneously recovers normal temperature again, is then again turned on air conditioner.
Further, as shown in figure 1, the bottom of the side wall of the energy storage equipment 17 offers an outlet 171, the accumulation of energy Agent 170 can discharge from the outlet 171.
An outlet is offered on energy storage equipment so that the accumulation of energy agent with higher temperature can arrange from outlet after accumulation of heat Go out, be easy to fill accumulation of energy agent into energy storage equipment again, make energy storage equipment that there is good heat storage capacity again, facilitate air conditioner It is again turned on and is freezed, and make it that when changing accumulation of energy agent energy storage equipment need not be dismantled, extend energy storage equipment uses the longevity Life.
In some embodiments of the present invention, the energy storage equipment 17 is located at the side of the frequency-changeable compressor;It is or described Energy storage equipment 17 is in a ring or arc, the energy storage equipment 17 are set around the frequency-changeable compressor.
In above-described embodiment, energy storage equipment can be located at the side of frequency-changeable compressor so that energy storage equipment and frequency-changeable compressor Place side by side;Energy storage equipment also can be such that energy storage equipment is set around frequency-changeable compressor in a ring or arc, so as to save accumulation of energy dress The space put so that the arrangement of air conditioner is compacter, reasonable.
Preferably, as shown in figure 1, energy storage equipment is disposed in parallel in the bottom in casing, correspondingly, wind with frequency-changeable compressor Machine and evaporator are disposed in parallel in the top in casing.
In one embodiment of the present of invention, as shown in figure 1, the exterior bottom wall of the casing 10 is provided with universal wheel 18;With/ Or, screen pack 102 is provided with the air inlet 100.
Universal wheel is provided with the exterior bottom wall of casing so that the movement of integral air conditioner is flexible, with meet daily parlor, The requirement of the site requirements short time such as kitchen cooling;Air inlet is provided with screen pack, the oil smoke that effectively can be crossed in air filtering, prevents Oil smoke etc. enters air conditioner, influences the normal work of air conditioner, it is preferable that using the metal filtration with filtering fume function Net.
It should be noted that as depicted in figs. 1 and 2, the air outlet 101 is arranged on the front side wall of the casing 10, The air inlet 100 is arranged on the rear wall of the casing 10;Or as shown in Figure 3 and Figure 4, the air outlet 101 is set On the front side wall of the casing 10, the air inlet 100 is also disposed on the front side wall of the casing 10, and the air outlet Swingable blade (not shown) is provided with 101;The controller 11 includes air-supply swing unit (not shown), institute Stating air-supply swing unit includes horizontal blast swing unit and vertical ventilation swing unit, and the air-supply swing unit passes through adjustment The swing angle of the blade, adjust the air-out direction of the air outlet, make air-out direction at air outlet for horizontal direction (such as Shown in Fig. 1 and Fig. 3) or diagonal upward direction (as shown in Figure 2 and Figure 4).
In one embodiment of the present of invention, the controller also includes EAT detection unit and evaporator temperature detects Unit (not shown), the EAT detection unit is used for the temperature for detecting the air inlet, described when detecting When the temperature of air inlet reaches three preset values, the controller controls the frequency-changeable compressor to be stopped;The evaporation Device temperature detecting unit is used for the temperature for detecting the evaporator, when the temperature for detecting the evaporator is default less than the 4th When being worth, and maintaining preset duration, the controller adjusts the working frequency of the frequency-changeable compressor, to prevent evaporator from freezing.
Evaporator described in any of the above-described embodiment of the present invention can be the forms such as fin-tube type, microchannel;Condenser can be with It is the forms such as coil pipe, fin-tube type, microchannel;Blower fan can be tubular or centrifugal fan;Throttling arrangement can be capillary, Electric expansion valve, choke valve etc..
As shown in figure 5, the embodiment of another aspect of the present invention provides a kind of control method of above-mentioned air conditioner, including with Lower step:
Step S102, the temperature of accumulation of energy agent is detected with the first temperature sensor, and second temperature sensor detection condenser is defeated Go out to hold the temperature of refrigerant;
Step S104, when the temperature value of first temperature sensor detection is higher than the first preset value T1 and described second When the temperature value of temperature sensor detection is less than the second preset value T2, the working frequency of controller control frequency-changeable compressor is reduced to Less than predeterminated frequency H;
Step S106, it is described when the temperature value of second temperature sensor detection is higher than the second preset value T2 Controller controls the frequency-changeable compressor to be stopped.
When condenser output end refrigerant temperature value be less than the second preset value, when being higher than the first preset value of energy storage equipment, The cooling and accumulation of heat effect for illustrating energy storage equipment are deteriorated, and can now reduce the working frequency of frequency-changeable compressor, reduce condenser and change Heat dissipation capacity when hot, so as to reduce the temperature rise speed of energy storage equipment, air conditioner is set to maintain the working condition of low speed refrigeration;Work as condensation When the temperature of device output end refrigerant is higher than the second preset value, energy storage equipment can not absorptive condenser well the heat distributed Amount so that the heat exchange efficiency of condenser is low, the poor refrigerating efficiency of air conditioner, now controls frequency-changeable compressor to be stopped, that is, controls Air conditioner processed is stopped, and avoids energy waste;User can be stopped in air conditioner and energy storage equipment natural cooling and gradual Recover to reopen air conditioner during room temperature, or also by changing the accumulation of energy agent of cold energy storage equipment energy storage equipment can be made to have again There is good accumulation of heat effect, be again turned on air conditioner and carry out refrigeration work, so that the control of air conditioner is more intelligent.
In some embodiments of the invention, the scope of the first preset value T1 is at 35-42 DEG C, second preset value T2 scopes are at 50-65 DEG C, and the scope of the predeterminated frequency H is in 35-50HZ.
Further, after the temperature of the accumulation of energy agent is increased beyond the first preset value T1, the controller controls institute The frequency for stating frequency-changeable compressor progressively declines from the predeterminated frequency H, until the temperature of the refrigerant is default higher than described second Value T2.
In a specific example, energy storage equipment is water tank, and the starting working frequency of frequency-changeable compressor is 90HZ, initial water temperature For 20 DEG C, refrigerant r22, the first preset temperature T1 are 40 DEG C, and the second preset value T2 is 62 DEG C, and predeterminated frequency H is 40HZ, with The progress of refrigeration, water temperature are gradually increasing, when water temperature rises to 40 DEG C (now the temperature of refrigerant is less than 62 DEG C), controller control The working frequency of frequency-changeable compressor is reduced to 40HZ, rather than stoppage protection;With the continuation of refrigeration, water temperature continues to rise, and becomes The working frequency of frequency compressor continues to gradually reduce, when the temperature of refrigerant rises to 62 DEG C, controller control frequency-changeable compressor It is stopped.
In the above embodiment of the present invention, the setting of two temperatures sensor, water temperature is on the one hand caused to rise to the first default temperature When spending, stoppage protection will not occur, but continue to freeze, improve the refrigeration of air conditioner, reduce frequency conversion compression The stop frequency of machine;On the other hand, frequency-changeable compressor be stopped (i.e. frequency-changeable compressor occur stoppage protection) when, water temperature Higher, i.e., in process of refrigerastion, condenser can obtain more colds from water, improve energy storage equipment to the cold of condenser But effect, the replacement frequency of accumulation of energy agent in energy storage equipment is reduced.
In summary, air conditioner provided in an embodiment of the present invention, the accumulation of energy of accumulation of energy agent is contained with by being provided with casing Device, and condenser is located in energy storage equipment so that the heat that condenser distributes in air conditioner process of refrigerastion can be by accumulation of energy agent Absorb, realize the effect that accumulation of energy agent is condenser cooling, so that condenser can efficiently carry out heat exchange, it is achieved thereby that Air conditioner carries out the purpose of fast-refrigerating;And accumulation of energy agent temperature is detected by the first temperature sensor, sensed by second temperature The temperature of refrigerant on device detection condenser output end pipeline, when the temperature of accumulation of energy agent is higher, the accumulation of heat effect of accumulation of energy agent is deteriorated, The working frequency of frequency-changeable compressor can be now reduced, heat dissipation capacity during condenser heat exchange is reduced, so as to reduce the temperature rise of accumulation of energy agent Speed, air conditioner is set to maintain the working condition of low speed refrigeration;When the temperature of refrigerant on condenser output pipe is higher, accumulation of energy dress Put interior accumulation of energy agent can not absorptive condenser well the heat distributed, the heat exchange efficiency of condenser is low, the refrigeration of air conditioner Effect is poor, now controls frequency-changeable compressor to be stopped, that is, controls air conditioner to be stopped, avoid energy waste;User can be Air conditioner is stopped and accumulation of energy agent natural cooling and gradually recovers to reopen air conditioner during room temperature, or can also pass through replacing Accumulation of energy agent in energy storage equipment, make energy storage equipment that there is good accumulation of heat effect again, be again turned on air conditioner and freezed Work, so that the control of air conditioner is more intelligent.
In invention, unless otherwise clearly defined and limited, the term such as term " connected ", " connection ", " installation " should be done It broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can mechanically connect, It can also be electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be two element internals Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood as the case may be Body implication.
In the description of the invention, the description meaning of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Refer at least one implementation that the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe In example or example.In the present invention, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And And specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable Mode combines.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (12)

1. a kind of air conditioner, the air conditioner includes controller, condenser, frequency-changeable compressor, throttling arrangement and energy storage equipment, institute Condenser is stated to be located in the energy storage equipment, and one end is connected by pipeline with the frequency-changeable compressor, the other end passes through pipeline It is connected with the throttling arrangement, the frequency-changeable compressor electrically connects with the controller;Characterized in that, also include:
First temperature sensor, first temperature sensor are arranged on the energy storage equipment, and are electrically connected with the controller Connect, the temperature of the accumulation of energy agent for detecting the energy storage equipment;With
Second temperature sensor, the second temperature sensor are arranged on the pipeline that the condenser is connected with the throttling arrangement On, and outside the accumulation of energy agent, for detecting the temperature of refrigerant, and the second temperature sensor and controller electricity Connection;
Controller change according to the temperature control that first temperature sensor and the second temperature sensor detect The work of frequency compressor, specifically, when the temperature value of first temperature sensor detection is higher than the first preset value T1 and described When the temperature value of second temperature sensor detection is less than the second preset value T2, the working frequency drop of controller control frequency-changeable compressor As little as it is less than predeterminated frequency H;It is described when the temperature value of second temperature sensor detection is higher than the second preset value T2 Controller controls the frequency-changeable compressor to be stopped.
2. air conditioner according to claim 1, it is characterised in that
The energy storage equipment includes accumulation of energy casing and the accumulation of energy agent in the accumulation of energy casing, first TEMP Device is inserted in the accumulation of energy agent.
3. air conditioner according to claim 2, it is characterised in that
The energy storage equipment is water tank, and the accumulation of energy agent is water, and first temperature sensor is located at the water surface to underwater four and divided One of place.
4. air conditioner according to claim 3, it is characterised in that
The height of the water tank is higher than the height of the condenser, and the condenser is located at the bottom of water tank, and the water surface did not had institute State the upper surface of condenser.
5. air conditioner according to any one of claim 1 to 4, it is characterised in that
The air conditioner is integral type air conditioner, and the air conditioner includes a casing, and entering of being connected is offered on the casing Air port and air outlet, the condenser, the compressor, the throttling arrangement and the energy storage equipment are respectively positioned on the casing It is interior.
6. air conditioner according to claim 5, it is characterised in that
The energy storage equipment is installed in the casing;Or
The energy storage equipment is removably mounted in the casing.
7. air conditioner according to claim 6, it is characterised in that
The bottom of the side wall of the energy storage equipment offers an outlet, and the accumulation of energy agent can discharge from the outlet.
8. air conditioner according to claim 5, it is characterised in that
The energy storage equipment is located at the side of the frequency-changeable compressor;Or
The energy storage equipment is in a ring or arc, the energy storage equipment are set around the frequency-changeable compressor.
9. air conditioner according to claim 5, it is characterised in that
The exterior bottom wall of the casing is provided with universal wheel;And/or
The air inlet is provided with screen pack.
10. a kind of control method of air conditioner, it is characterised in that for controlling sky as claimed in any one of claims 1-9 wherein Device is adjusted, the control method of the air conditioner comprises the following steps:
The temperature of accumulation of energy agent in energy storage equipment is detected with the first temperature sensor, the temperature of refrigerant is detected with second temperature sensor Degree;
When the temperature value of first temperature sensor detection detects higher than the first preset value T1 and the second temperature sensor Temperature value when being less than the second preset value T2, the working frequency of controller control frequency-changeable compressor decreases below predeterminated frequency H;
When the temperature value of second temperature sensor detection is higher than the second preset value T2, described in the controller control Frequency-changeable compressor is stopped.
11. the control method of air conditioner according to claim 10, it is characterised in that
The scope of the first preset value T1 is at 35-42 DEG C, and the second preset value T2 scopes are at 50-65 DEG C, the default frequency Rate H scope is in 35-50HZ.
12. the control method of air conditioner according to claim 11, it is characterised in that
After the temperature of the accumulation of energy agent is increased beyond the first preset value T1, the controller controls the frequency-changeable compressor Working frequency progressively decline from the predeterminated frequency H, until the temperature of the refrigerant is higher than the second preset value T2.
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