CN101294733A - Air conditioner and method thereof - Google Patents
Air conditioner and method thereof Download PDFInfo
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- CN101294733A CN101294733A CNA2007100979727A CN200710097972A CN101294733A CN 101294733 A CN101294733 A CN 101294733A CN A2007100979727 A CNA2007100979727 A CN A2007100979727A CN 200710097972 A CN200710097972 A CN 200710097972A CN 101294733 A CN101294733 A CN 101294733A
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Abstract
An air conditioner and the method thereof are provided. The air conditioner includes a compressor, a condenser, a condensation fan, an expansion valve, an evaporator, an evaporation fan, an ambient temperature sensor, an ambient humidity sensor and a controller. The controller can obtain a target temperature according to the ambient temperature measured by the ambient temperature sensor and the relative humidity measured by the ambient humidity sensor, thereby adjusting the temperature of the secondary refrigerant in the evaporator according to the target temperature, and further reducing the phase change of water molecules in air.
Description
Technical field
The present invention is about a kind of conditioner, particularly a kind ofly reduces the conditioner that the water in air molecule produces phase change.
Background technology
General conditioner, for example: air conditioner, in order to allow blow-off outlet temperature and ambient temperature remain in the suitable temperature difference, its evaporator surface temperature can design be lower than arround the dew-point temperature of air, when evaporimeter and surrounding air are carried out heat exchange, can make the temperature of surrounding air be lower than its dew-point temperature, at this moment, airborne hydrone is understood condensation (being dewfall) and is produced water droplet.Generally speaking, condensed water can be directed to drainpipe and discharge outdoorly, but in some application scenario, as mobile type air conditioner or equipment air-conditioning, inconvenience need often be toppled over or topple over to condensed water, also or the aqueous vapor of condensing can influence electric and machine security.
For instance, with mobile type air conditioner, because general air conditioner of the common volume of mobile type air conditioner or air-conditioning system are little many, it is also little that the space that holds header tank can be set, and under the demand of conveniently moving, also be difficult for being provided with drainpipe and directly carry out draining, thereby the user then must remove the water in the header tank continually, in order to avoid overflow, quite inconvenience on it uses.
Therefore, such as draining inconvenience or do not allow to produce special behaviour in service such as draining, condensation can be reduced for these even further to avoid the dewfall phenomenon be a considerable problem.
Summary of the invention
In view of above problem, main purpose of the present invention is to provide a kind of conditioner and method thereof, uses to solve the disclosed disappearance of prior art, reduces even avoid the water in air molecule to produce the problem of phase change to reach.
For reaching above-mentioned purpose, the disclosed conditioner of the present invention comprises compressor, condenser, condenser fan, expansion valve, evaporimeter, evaporating fan, refrigerant temperature sensor, controller, environment temperature sensor, ambient humidity sensor and arithmetic element.
In this, compressor is in order to compression refrigerant.Condenser is in order to the condensation refrigerant.Expansion valve is in order to the expansion refrigerant.Evaporimeter is with so that refrigerant and air carry out heat exchange.And condenser fan was in order to ventilating condenser, and evaporating fan is in order to the pervaporation device that ventilates.And, but the temperature of the refrigerant in the refrigerant temperature sensor sensing evaporimeter, controller then according to the temperature of the refrigerant in the phase change adjustment evaporimeter of air, produces phase change to reduce the water in air molecule.This phase change temperature can be dew-point temperature.
Arithmetic element JA(junction ambient) temperature sensor, ambient humidity sensor and controller.Environment temperature sensor and ambient humidity sensor be respectively in order to measuring the environment temperature and the relative humidity of air, and offer arithmetic element.Then, arithmetic element calculates dew-point temperature to offer controller according to environment temperature and relative humidity.Controller can be controlled the temperature of the refrigerant in the evaporimeter according to the dew-point temperature that arithmetic element is calculated, it is controlled in the set temperature range corresponding to dew-point temperature, produce to reduce condensation, also can further reach the phenomenon that can not produce condensation.
In this, controller can see through the temperature that the modes such as operating frequency of the rotating speed of aperture, condenser fan of rotating speed, the expansion valve of control evaporating fan and/or compressor are regulated the refrigerant in the evaporimeter.In other words, controller can see through the temperature that the operating condition of controlling one or more assembly reaches the refrigerant in the adjusting evaporimeter.
The disclosed air conditioning method of the present invention comprises: the environment temperature that measures air; Measure the relative humidity of air; Calculate dew-point temperature according to environment temperature and relative humidity; Produce target temperature according to dew-point temperature; Measure the temperature of the refrigerant in the evaporimeter; And with the adjustment of the refrigerant in the evaporimeter to target temperature, produce phase change to reduce the water in air molecule.
In this, controller can see through the temperature that the modes such as operating frequency of the rotating speed of aperture, condenser fan of rotating speed, the expansion valve of control evaporating fan and/or compressor are regulated the refrigerant in the evaporimeter.
For purpose of the present invention, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
Description of drawings
Fig. 1 is the schematic diagram of conditioner according to an embodiment of the invention.
Fig. 2 is the flow chart of air conditioning method according to an embodiment of the invention.
The specific embodiment
Below enumerate specific embodiment describing content of the present invention in detail, and with diagram as aid illustration.The symbol of mentioning in the explanation is with reference to diagrammatical symbol.
With reference to Fig. 1, be conditioner according to an embodiment of the invention, comprise: compressor 110, condenser 120, condenser fan 122, expansion valve 130, evaporimeter 140, evaporating fan 142, environment temperature sensor 150, controller 160 and ambient humidity sensor 170.
In this, this phase change temperature can be a dew-point temperature, and controller 160 is controlled at the temperature of the refrigerant in the evaporimeter 140 and approaches the phase change temperature, produces to reduce condensation.In other words, controller 160 is controlled at the temperature of the refrigerant in the evaporimeter 140 in the one set temperature range of corresponding dew-point temperature, that is, be lower than dew-point temperature one both fixed difference difference to be higher than dew-point temperature another both in the temperature range of fixed difference difference.
Referring again to Fig. 1 and Fig. 2, can utilize environment temperature sensor 150 to measure the environment temperature (step 210) of air, the temperature of the air conditioner surroundings of conditioner just, and utilize ambient humidity sensor 170 to measure the relative humidity (step 220) of air, the just relative humidity of the air conditioner surroundings of conditioner.Then, controller 160 can according to measure environment temperature and relative humidity and obtain a target temperature, and then carry out the temperature controlling of the refrigerant in the evaporimeter 140 according to this target temperature.
Wherein, controller 160 can have arithmetic element 180, and it is connected to environment temperature sensor 150 and ambient humidity sensor 170.Measure environment temperature and relative humidity can offer arithmetic element 180, to calculate dew-point temperature (step 230) according to environment temperature and relative humidity by arithmetic element 180.
In general, can by following formula learn environment temperature, relative humidity and dew-point temperature between relation.
Wherein, a, b are constant (for example: a=17.27, b=237.7), and Td represents dew-point temperature, and T represents environment temperature, and RH represents relative humidity.In this, it is Celsius that temperature unit uses, and the effective range of formula is to be 0 ℃<T<60 ℃, 0.01<RH<1.00 and 0 ℃<Td<50 ℃.
In this, controller 160 can see through the temperature that the modes such as operating frequency of the rotating speed of aperture, condenser fan 122 of rotating speed, the expansion valve 130 of control evaporating fan 142 and/or compressor 110 are regulated the refrigerant in the evaporimeter 140.
In this, controller 160 can be according to the phase change temperature of air (for example: dew-point temperature) produce a target temperature (for example: approach dew-point temperature) (step 240).And refrigerant temperature sensor 152 can offer controller 160 (step 250) with the temperature of the refrigerant in the evaporimeter 140 of measurement gained, whether reaches this target temperature (step 260) with the temperature of confirming the refrigerant in the evaporimeter 140.Then, when the temperature of the refrigerant in the evaporimeter 140 does not reach this target temperature, regulate with the adjustment of the refrigerant in the evaporimeter 140 to target temperature (step 270), and then reduce the water in air molecule and produce phase change.
In this, controller 160 can see through the temperature that the modes such as operating frequency of the rotating speed of aperture, condenser fan 122 of rotating speed, the expansion valve 130 of control evaporating fan 142 and/or compressor 110 are regulated the refrigerant in the evaporimeter 140.In other words, controller 160 can (for example: evaporating fan 142, expansion valve 130, condenser fan 122, compressor 110 etc.) operating condition reaches the temperature of regulating the refrigerant in the evaporimeter 140 through the one or more assembly of control.Wherein, when the temperature of the refrigerant in the evaporimeter 140 is lower than target temperature, the temperature of the refrigerant in the then necessary rising evaporimeter 140, this moment, controller 160 can increase the rotating speed of evaporating fan 142, so that the temperature of the refrigerant in the evaporimeter 140 raises; Otherwise, when the temperature of the refrigerant in the evaporimeter 140 is higher than target temperature, then must reduce the temperature of the refrigerant in the evaporimeter 140, this moment, controller 160 downgraded the rotating speed of evaporating fan 142, so that the temperature of the refrigerant in the evaporimeter 140 descends.
During the temperature of the refrigerant in must rising evaporimeter 140, controller 160 also can see through the aperture that increases expansion valve 130, increase the flow of refrigerant, to reach the temperature of the refrigerant in the rising evaporimeter 140; Otherwise in the time must reducing the temperature of the refrigerant in the evaporimeter 140, controller can see through the aperture that reduces expansion valve 130, reduces the flow of refrigerant, to reach the temperature that reduces the refrigerant in the evaporimeter 140.
During the temperature of the refrigerant in must rising evaporimeter 140, controller 160 also can see through the rotating speed that downgrades condenser fan 122, reach the temperature that improves the refrigerant in the evaporimeter 140; Otherwise in the time must reducing the temperature of the refrigerant in the evaporimeter 140,160 rotating speeds that can increase condenser fan 122 of controller are to reach the temperature that reduces the refrigerant in the evaporimeter 140.
During the temperature of the refrigerant in must rising evaporimeter 140, controller 160 more can see through the operating frequency that downgrades compressor 110 and reach; Otherwise, in the time must reducing the temperature of the refrigerant in the evaporimeter 140, then can see through the operating frequency that increases compressor 110 and reach.
Claims (10)
1, a kind of conditioner includes:
One compressor is in order to compress a refrigerant;
One condenser is in order to this refrigerant of condensation;
One condenser fan is with so that air flows through this condenser;
One expansion valve is in order to this refrigerant that expands;
One evaporimeter is with so that this refrigerant and air carry out heat exchange;
One evaporating fan is with so that air flows through this evaporimeter;
One environment temperature sensor is in order to measure an environment temperature of air;
One ambient humidity sensor is in order to measure a relative humidity of air; And
One controller in order to obtaining a target temperature according to this environment temperature and this relative humidity, and the temperature that can regulate this refrigerant in this evaporimeter according to this target temperature, reduces according to this that at least a portion hydrone produces phase change in the air.
2, conditioner as claimed in claim 1, it is characterized in that: this controller sees through the rotating speed of controlling this evaporating fan and the temperature of regulating this refrigerant in this evaporimeter, when the temperature of this refrigerant in this evaporimeter that must raise, this controller increases the rotating speed of this evaporating fan, and in the time must reducing the temperature of this refrigerant in this evaporimeter, this controller downgrades the rotating speed of this evaporating fan.
3, conditioner as claimed in claim 1, it is characterized in that: this controller sees through the aperture of controlling this expansion valve and the temperature of regulating this refrigerant in this evaporimeter, when the temperature of this refrigerant in this evaporimeter that must raise, this controller increases the aperture of this expansion valve, and in the time must reducing the temperature of this refrigerant in this evaporimeter, this controller reduces the aperture of this expansion valve.
4, conditioner as claimed in claim 1, it is characterized in that: this controller sees through the rotating speed of controlling this condenser fan and the temperature of regulating this refrigerant in this evaporimeter, when the temperature of this refrigerant in this evaporimeter that must raise, this controller downgrades the rotating speed of this condenser fan, and in the time must reducing the temperature of this refrigerant in this evaporimeter, this controller increases the rotating speed of this condenser fan.
5, conditioner as claimed in claim 1, it is characterized in that: this controller sees through the operating frequency of controlling this compressor and the temperature of regulating this refrigerant in this evaporimeter, when the temperature of this refrigerant in this evaporimeter that must raise, this controller downgrades the operating frequency of this compressor, and in the time must reducing the temperature of this refrigerant in this evaporimeter, this controller increases the operating frequency of this compressor.
6, a kind of air conditioning method comprises:
Measure an environment temperature of air;
Measure a relative humidity of air;
Obtain a target temperature according to this environment temperature and this relative humidity;
Measure the temperature of the refrigerant in the evaporimeter; And
The adjustment of this refrigerant in this evaporimeter to this target temperature, is produced phase change to reduce the water in air molecule.
7, air conditioning method as claimed in claim 6, it is characterized in that: with the adjustment of this refrigerant in this evaporimeter step to this target temperature, comprise: see through the temperature that this evaporimeter is regulated in the running of control one evaporating fan, when the temperature of this evaporimeter is lower than this target temperature, this controller increases the rotating speed of this evaporating fan, and when the temperature of this evaporimeter was higher than this target temperature, this controller downgraded the rotating speed of this evaporating fan.
8, air conditioning method as claimed in claim 6, it is characterized in that: with the adjustment of this refrigerant in this evaporimeter step to this target temperature, comprise: see through the temperature that this evaporimeter is regulated in the running of control one expansion valve, when the temperature of this evaporimeter is lower than this target temperature, this controller increases the aperture of this expansion valve, and when the temperature of this evaporimeter was higher than this target temperature, this controller reduced the aperture of this expansion valve.
9, air conditioning method as claimed in claim 6, it is characterized in that: with the adjustment of this refrigerant in this evaporimeter step to this target temperature, comprise: see through the temperature that this evaporimeter is regulated in the running of control one condenser fan, when the temperature of this evaporimeter is lower than this target temperature, this controller downgrades the rotating speed of this condenser fan, and when the temperature of this evaporimeter was higher than this target temperature, this controller increased the rotating speed of this condenser fan.
10, air conditioning method as claimed in claim 6, it is characterized in that: with the adjustment of this refrigerant in this evaporimeter step to this target temperature, comprise: see through the temperature that this evaporimeter is regulated in the running of control one compressor, when the temperature of this evaporimeter is lower than this target temperature, this controller downgrades the operating frequency of this compressor, and when the temperature of this evaporimeter was higher than this target temperature, this controller increased the operating frequency of this compressor.
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CNA2007100979727A CN101294733A (en) | 2007-04-25 | 2007-04-25 | Air conditioner and method thereof |
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CNA2007100979727A CN101294733A (en) | 2007-04-25 | 2007-04-25 | Air conditioner and method thereof |
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