JP2015102284A - Dehumidifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dehumidifier which can clean air while eliminating external water supply by reusing condensed water which is dehumidified by a refrigeration cycle for generation of fine water droplets.SOLUTION: In a body 1, a dehumidifier includes: fine water droplet generation means 3; blower means 11; a refrigeration cycle in which a compressor 4, a condenser 5, an expansion mechanism 6 and a first evaporator 8 are connected by a pipeline 9 in this order; and control means 13 for controlling the blower means 11, the compressor 4 and the fine water droplet generation means 3. They are arranged in such a manner that an airflow in the body 1 flows from the fine water droplet generation means 3, the first evaporator 8 and to the condenser 5 sequentially from the upstream side, and an operation is performed while fine water droplets are sprayed from the fine water droplet generation means 3 by utilizing condensed water condensed in a second evaporator 7. Thereby, dust in the air sucked in the body 1 is adsorbed to the fine water droplets, and it is recovered as the condensed water together with the dust in the first evaporator 8. Thus, a humidifier can be acquired which performs dehumidification while removing the dust from the air sucked in the body.

Description

  The present invention relates to a dehumidifier having a refrigeration cycle capable of removing dust.

  In recent years, it is thought that microparticulate matter contained in exhaust gas from diesel engines floats in the atmosphere and the microparticulate matter adheres to the back of the trachea, such as the human alveoli, and has a great negative effect on the human body. Yes.

  Therefore, it is required to remove dust such as fine particulate matter in addition to pollen in general households, and it is known to dehumidify while removing dust by spraying water on the air taken in (for example, Patent Document 1).

  Hereinafter, the dehumidifier will be described with reference to FIG.

  As shown in FIG. 3, the main body 101 has a mist spray 104, a drain tank 105, an eliminator 106, a cooling coil 107, a heating coil 108, a deodorizing unit that forms a water spray type dust removal system from the suction port 102 to the blowout port 103. The filter 109 and the blower 110 are integrated so that the sucked air flows in this order.

  The mist spray 104 is supplied from the outside, and the sprayed water particles come into contact with the inhaled air to form water droplets combined with dust contained in the air, and are guided to the drain tank 105 by the eliminator 106 and stored. Drained to the outside.

  On the other hand, the air from which the dust has been removed is then dehumidified by the cooling coil 107 cooled by the refrigerant sent from the refrigerator, passes through the heating coil 108 and the deodorizing filter 109, and blows out of the main body from the outlet 103 by the blower 110. By doing so, air dust removal and dehumidification are performed.

JP 2004-111972 A

  Such a conventional dehumidifier has a problem that water supply is always required from the outside for water spray to remove dust.

  Accordingly, the present invention solves the above-described conventional problems, and recycles condensed water dehumidified by the refrigeration cycle to generate fine water droplets, thereby eliminating the need for external water supply and in the air sucked into the main body. An object of the present invention is to provide a dehumidifier capable of removing dust as condensed water together with fine water droplets and removing dust in the air.

  In order to achieve this object, the dehumidifier of the present invention is a refrigeration unit in which a fine water droplet generation unit, a blower unit, a compressor, a condenser, an expansion mechanism, and a first evaporator are connected to a main body by piping in this order. A control unit for controlling the cycle, the blowing unit, the compressor, and the fine water droplet generating unit, and the air flow in the main body by the blowing unit becomes the fine water droplet generating unit, the first evaporator, and the condenser in order from the upstream side. The dehumidifier is characterized in that it is operated while spraying fine water droplets from the fine water droplet generating means using the condensed water condensed in the first evaporator, thereby achieving the intended purpose. Is.

  According to the dehumidifier of the present invention, a fine water droplet generating means, a blowing means, a compressor, a condenser, an expansion mechanism, and a first evaporator are connected to the main body by piping in this order, and the blowing means and the compressor. And a control means for controlling the fine water droplet generating means, arranged so that the air flow in the main body by the air blowing means becomes the fine water drop generating means, the first evaporator, and the condenser in order from the upstream side, and the first evaporation The fine water droplet generator is operated while spraying fine water droplets on the wind of the first evaporator by supplying condensed water to the fine water droplet generator while collecting condensed water condensed on the container.

  And the dust contained in the air sucked into the main body by the blowing means is adsorbed with the sprayed fine water droplets, and is collected with the dust as condensed water again in the first evaporator, so that the dust from the air sucked into the main body is collected. It will be dehumidified while removing.

  In addition, since the condensed water collected by the first evaporator is supplied to the fine water droplet generating means, it is not necessary to supply water from the outside, and since the fine water droplets are used, water-soluble odor can be removed. The effect that it is possible can be obtained.

Dehumidifier configuration diagram according to the first embodiment of the present invention Dehumidifier configuration diagram according to Embodiment 2 of the present invention Configuration diagram of conventional dehumidifier

  The dehumidifier according to claim 1 of the present invention includes a main body with fine water droplet generating means, air blowing means, a refrigeration cycle connected by a pipe in the order of a compressor, a condenser, an expansion mechanism, and a first evaporator, and air blowing means. And a compressor and a control means for controlling the fine water droplet generating means, and arranged so that the air flow in the main body by the blower means becomes the fine water droplet generating means, the first evaporator, and the condenser in order from the upstream side, By collecting condensed water condensed on the first evaporator and supplying water to the fine water droplet generating means, the fine water droplet generating means operates while spraying the fine water droplets on the wind of the first evaporator.

  And the dust contained in the air sucked into the main body by the blowing means is adsorbed with the sprayed fine water droplets, and is collected with the dust as condensed water again in the first evaporator, so that the dust from the air sucked into the main body is collected. It will be dehumidified while removing.

  In addition, since the condensed water collected by the first evaporator is supplied to the fine water droplet generating means, it is not necessary to supply water from the outside, and since the fine water droplets are used, water-soluble odor can be removed. There is an effect that can be done.

Also, a second evaporator is arranged between the expansion mechanism constituting the refrigeration cycle and the first evaporator,
Arranged so that the air flow in the main body by the air blowing means becomes the fine water droplet generating means, the first evaporator, the second evaporator, and the condenser in order from the upstream side, and uses condensed water condensed on the second evaporator And it is good also as a structure operated while spraying a fine water droplet from a fine water droplet generating means.

  Thus, condensed water condensed on the second evaporator is collected and supplied to the fine water droplet generating means, and the fine water droplet generating means is operated while spraying the fine water droplets on the wind of the first evaporator.

  And the dust contained in the air sucked into the main body by the blowing means is adsorbed to the sprayed fine water droplets, and the first evaporator removes the dust from the air by dripping into the drain tank as condensed water.

  The air that has been cleaned by removing dust in the first evaporator is then sent to the second evaporator, where it is dehumidified by further collecting it as condensed water in the second evaporator having a temperature lower than that of the first evaporator. Will be.

  Further, since the condensed water collected by the second evaporator is supplied to the fine water droplet generating means, it is possible to obtain an effect that fine water droplets can be generated and sprayed with water from which dust is removed.

  The control means may have a time counting function from the start of operation, and the fine water droplet generating means may be operated after a predetermined operation time.

  As a result, the condensed water that can be recovered by dehumidification can be operated after the condensed water is supplied to the fine water droplet generator, and the wasteful operation of the fine water droplet generator can be reduced to reduce power consumption and idle noise. There is an effect that it can be suppressed.

  Moreover, it is good also as a structure which provides a humidity detection means, calculates condensed water collection | recovery amount from a humidity detection value, and correct | amends a time count value.

  Thus, by calculating the amount of condensed water that changes in the humidity environment around the main body, there is an effect that the fine water droplet generating means can be stopped only for the time required for water supply to the fine water droplet generating means.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
A dehumidifier according to Embodiment 1 of the present invention will be described with reference to FIG.

  FIG. 1 is an example of a dehumidifier according to the present invention and shows a configuration inside a main body.

  As shown in FIG. 1, the main body 1 includes a suction port 2 that sucks indoor air and a blower port 10 that blows air into the room.

  And in the inside of the main body 1, the ventilation path which sends air from the suction inlet 2 to the blower outlet 10 by the ventilation means 11, the refrigerating cycle which cools and heats the air which flows through a ventilation path, and a fine water droplet is injected to the sucked air A fine water droplet generating means 3 is provided.

  The refrigeration cycle is connected by a pipe 9 through which the refrigerant passes in the order of the compressor 4 for compressing the refrigerant, the condenser 5 for heating the air to be passed, the expansion mechanism 6 for expanding the refrigerant, and the first evaporator 8 for cooling the air to be passed. doing.

  In the air blowing path, the air sucked from the suction port 2 flows through the fine water droplet generating means 3, the first evaporator 8 and the condenser 5 in order from the upstream side, and blown into the room from the air outlet 10.

  The main body 1 is provided with a control means 13 and controls the air blowing means 11, the compressor 4 and the fine water droplet generating means 3.

  A drain tank 14 and a tray 15 are provided below the first evaporator 8.

  The tray 15 receives condensed water generated by the first evaporator 8 and supplies condensed water to the fine water droplet generating means 3.

  Further, the tray 15 has an overflow structure in which a part of the walls are arbitrarily lowered, and condensed water exceeding the amount of water required by the fine water droplet generating means 3 is dropped downward through this overflow to collect condensed water. Store water in the drain tank.

  When the dehumidifier is operated in the above configuration, the control unit 13 starts the dehumidification by operating the air blowing unit 11, the compressor 4 and the fine water droplet generating unit 3.

  In the refrigeration cycle, the internal refrigerant is heated to a high temperature and a high pressure by operating the compressor 4.

  The high-temperature and high-pressure refrigerant is sent to the condenser 5 through the pipe 9.

  In this condenser 5, heat is radiated to the air sucked into the main body 1 by the blowing means 11, and the refrigerant is cooled.

  The cooled refrigerant moves to the expansion mechanism 6 and is decompressed to a low temperature and a low pressure.

  Then, the low-temperature refrigerant moves to the first evaporator 8, absorbs the heat of the air sucked into the main body 1 by the blowing means 11, and returns to the compressor 4, whereby heat exchange by the refrigeration cycle is performed.

  By operating the compressor 4 and the air blowing means 11 in this way, the refrigerant starts to exchange heat through the pipe 9 and sucks indoor air from the suction port 2, and the sucked air is cooled by the first evaporator 8. Absorbs heat.

  Therefore, the sucked air is cooled to be below the dew point temperature, and condensation is generated in the first evaporator 8, and the reduced moisture content is sent to the condenser 5.

  In the condenser 5, the internal refrigerant dissipates heat, and the air passing therethrough is warmed, so that the relative humidity is lowered.

  That is, dry air with a low relative humidity is blown into the room from the air outlet 10.

  At this time, the dew condensation generated in the first evaporator 8 becomes condensed water and drops spontaneously downward and is received by the tray 15.

  The condensed water received by the tray 15 is supplied to the fine water droplet generating means 3.

  The fine water droplet generating means 3 makes the condensed water supplied from the tray 15 into fine water droplets and sprays it on the wind of the first evaporator 8.

  The sprayed fine water droplets adsorb dust contained in the air sucked from the suction port 2 and also absorb water-soluble odors.

  Fine water droplets containing odors and dust become condensed water in the first evaporator 8 and are received by the tray 15, and condensed water exceeding the amount of water required by the fine water droplet generating means 3 drops downward through the overflow of the tray 15. Then, the water is stored in the drain tank 14.

  At this time, the adsorbed odor and dust components are also collected in the drain tank 14.

  In this way, since the condensed water obtained in the first evaporator 8 is used for generating fine water droplets, fine water droplets are sprayed without the need for external water supply, so water-soluble odors are also removed. can do.

(Embodiment 2)
A dehumidifier according to Embodiment 2 of the present invention will be described with reference to FIG.

  FIG. 2 shows an internal structure of the main body as an example of the dehumidifier of the present invention.

  In the description of the second embodiment, the same parts as those already described in the first embodiment are given the same reference numerals and the description thereof is omitted.

  As shown in FIG. 2, the refrigeration cycle includes a compressor 4 that compresses refrigerant, a condenser 5 that heats air that passes through, an expansion mechanism 6 that expands refrigerant, a second evaporator 7 that cools air that passes through and a second evaporator 7. It connects with the pipe | tube 9 which lets a refrigerant pass in order of the 1 evaporator 8. FIG.

  In the ventilation path, the air sucked from the suction port 2 flows in order from the upstream side with the fine water droplet generating means 3, the first evaporator 8, the second evaporator 7, and the condenser 5, and blown into the room from the outlet 10.

  In the vicinity of the suction port 2, humidity detection means 12 for detecting the humidity in the room is provided.

  Further, the main body 1 is provided with a control means 16 that receives the input of the humidity detection means 12 and controls the blower means 11, the compressor 4, and the fine water droplet generation means 3.

  The control means 16 has a time count function that counts the elapsed time from the start of operation, and a function that receives the humidity detection value from the humidity detection means 12, calculates a condensed water recovery amount, and corrects the time count value. .

  A drain tank 14 is provided below the first evaporator 8, and a tray 15 is provided below the second evaporator.

  The drain tank 14 receives and stores the condensed water generated in the first evaporator 8.

  The tray 15 receives the condensed water generated by the second evaporator 7 and supplies condensed water to the fine water droplet generating means 3, and condensed water exceeding the amount of water required by the fine water droplet generating means 3 flows downward through the overflow. Dripping to store condensed water in the drain tank.

  When the dehumidifier is operated in the above configuration, the control means 16 operates the air blowing means 11 and the compressor 4 to start dehumidification.

  In the refrigeration cycle, the compressor 4 operates to send high-temperature and high-pressure refrigerant to the condenser 5, dissipate heat in the condenser 5, and the cooled refrigerant moves to the expansion mechanism 6 and is depressurized to reduce the low-temperature and low-pressure. Become.

  Then, the low-temperature refrigerant moves in the order of the second evaporator 7 and the first evaporator 8.

  In the second evaporator 7 and the first evaporator 8, the low-temperature refrigerant absorbs the heat of the air sucked into the main body 1 by the blowing means 11.

  And by returning to the compressor 4, heat exchange by a refrigerating cycle is performed.

  By operating the compressor 4 and the air blowing means 11 in this way, the refrigerant starts to exchange heat through the pipe 9 and sucks indoor air from the suction port 2, and the sucked air is cooled by the first evaporator 8. Absorbs heat.

  Therefore, the sucked air is cooled to be below the dew point temperature, causing dew condensation to occur in the first evaporator 8, and the air whose moisture content is reduced is sent to the second evaporator 7.

  Since the second evaporator 7 is disposed closer to the expansion mechanism 6 than the first evaporator 8, the second evaporator 7 is in a lower temperature state than the first evaporator 8.

  In the second evaporator 7, the air whose temperature has been lowered by the first evaporator 8 is further cooled to cause condensation again, thereby reducing the amount of retained water.

  After that, the air whose moisture content is reduced is sent to the condenser 5, the internal refrigerant dissipates heat, and the passing air is warmed to become air with a reduced relative humidity, which is dried from the outlet 10. Air is blown into the room.

  At this time, the dew condensation generated in the first evaporator 8 becomes condensed water and drops spontaneously downward and is stored in the drain tank 14.

  On the other hand, the condensation generated in the second evaporator 7 is naturally dripped downward as condensed water and is received by the tray 15.

  The condensed water received by the tray 15 is supplied to the fine water droplet generating means 3.

  The fine water droplet generating means 3 operates after a predetermined time has elapsed from the start of operation by a time counting function provided in the control means 16 which will be described later. The condensed water supplied from the tray 15 is converted into fine water droplets of the first evaporator 8. Spray upwind.

  The sprayed fine water droplets adsorb dust contained in the air sucked from the suction port 2 and also absorb water-soluble odors.

  Water droplets containing odors and dust are dropped into the drain tank 14 together with condensed water by the first evaporator 8.

  At this time, the adsorbed odor and dust components are also collected in the drain tank 14.

  The air that has been cleaned by removing dust in the first evaporator 8 is then sent to the second evaporator 7.

  Since the temperature of the second evaporator 7 is lower than that of the first evaporator 8, the temperature is further lowered to generate condensed water, which is dehumidified.

  That is, in the second evaporator 7, the air purified in the first evaporator 8 condenses, so this condensed water has less dust and odor components and is suitable as water sprayed from the fine water droplet generating means 3. It has become a thing.

  Therefore, since the fine water droplet generating means 3 sprays fine water droplets without requiring external water supply, water-soluble odor can also be removed.

  The time counting function provided in the control means 16 counts the elapsed time from the start of operation, and operates the fine water droplet generating means 3 after a predetermined time has elapsed.

  That is, immediately after the operation of the main body 1 of the dehumidifier, since the condensed water is not stored in the tray 15, the fine water droplet generating means 3 is not operated until the condensed water is generated by the second evaporator 7. To do.

  The predetermined time is the time for condensed water to reach the amount of water for which the fine water droplet generating means 3 functions properly.

  Thereby, the useless driving | operation of the fine water droplet generation | occurrence | production means 3 can be reduced, and the idling sound generated when there is no power consumption reduction and condensed water can be suppressed.

  Further, the time count correction function provided in the control means 16 corrects the time until the condensed water is sufficiently stored at the time of initial startup (the predetermined time).

  This time count correction function receives the humidity detection value from the humidity detection means 12, and calculates the condensed water recovery amount (wc) from the ambient humidity.

  The condensed water recovery amount (wc) is a coefficient having a relationship proportional to the ambient humidity.

  When the humidity is high, the condensed water recovery amount (wc) is high, and when the humidity is low, the condensed water recovery amount (wc) is low.

  Using this condensed water recovery amount (wc), if the humidity is high, the count value counted by the time count function is increased.

  That is, the predetermined count is counted quickly to correct the direction in which the time during which the fine water droplet generating means 3 is stopped is shortened.

  Thereby, the fine water droplet generating means 3 can be stopped only for the time required for water supply.

  In the above-described embodiment, the count correction function increases the count value and corrects the count value as an example. However, the count correction function only needs to be able to correct for a predetermined time. There are methods such as correction and correction of the set count value.

  The fine water droplet generating means 3 only needs to be able to generate fine water droplets, and the size of the water droplets may be selected depending on the particle diameter of dust to be removed.

  For example, if a lot of fine water droplets with a particle size of 0.3μm or more are generated, it can be generated by spraying directly with a nozzle, by spraying water on a fixed wall, or by applying water to a rotating blade. A water crushing system that generates water or an ultrasonic system that generates using ultrasonic vibration is preferable. If a large number of small water droplets of 0.3 μm or less are generated, a system that uses a polymer film is used.

  Further, the compressor 4 only needs to compress the refrigerant and send out the refrigerant to the refrigerant pipe as a high-temperature and high-pressure gas. The motor that is the drive source may be an inverter-driven DC motor, even if an induction motor that applies an AC voltage is used. It may be used.

  The expansion mechanism 6 only needs to be able to expand the refrigerant, and includes a capillary tube that narrows the pipe to perform a constant pressure reduction, an expansion valve that can change the amount of pressure reduction, and an electric expansion valve that realizes electronic control. .

  The first evaporator 8, the second evaporator 7, and the condenser 5 only need to be able to exchange heat between the refrigerant and the air. For example, the first evaporator 8, the second evaporator 7, and the condenser 5 are configured using pipes and fins arranged vertically and horizontally. Some are made from good copper and aluminum.

  The air blowing means 11 only needs to have an action of flowing air from the suction port 2 to the blowout port 10 via the evaporator and the condenser 5, and includes various configurations such as an AC induction motor, a DC motor, and a variable speed configuration. There are options, but the basic effect remains the same no matter what configuration is used.

  The tray 15 only needs to receive condensed water generated from the evaporator and supply water to the fine water droplet generating means 3 and dripping into the drain tank 14. The tray 15 can receive all the condensed water generated from the evaporator. The excess may be dripped directly into the drain tank 14 from the evaporator while securing the necessary amount of water by being arranged so as to overlap a part of the vessel.

  The humidity detection means 12 only needs to be able to detect humidity. For example, a polymer film humidity sensor that detects the relative humidity of the atmosphere from a change in dielectric constant accompanying moisture absorption / release of the polymer film, or water vapor is easily adsorbed. There are a ceramic humidity sensor in which a wet and dry material is formed of a ceramic sintered body using a porous ceramic, an electrolyte humidity sensor using lithium chloride, and the like.

  Since the dehumidifier of the present invention can remove dust using fine water droplets while eliminating the need for external water supply, it is also effective for air conditioners that perform air conditioning in a refrigeration cycle.

DESCRIPTION OF SYMBOLS 1 Main body 2 Suction port 3 Fine water droplet generating means 4 Compressor 5 Condenser 6 Expansion mechanism 7 2nd evaporator 8 1st evaporator 9 Piping 10 Outlet 11 Blowing means 12 Humidity detection means 13 Control means 14 Drain tank 15 Tray 16 Control means

Claims (4)

  Control for controlling the fine water droplet generating means, the air blowing means, the compressor, the condenser, the expansion mechanism, and the first evaporator connected to the main body by piping, and the air blowing means, the compressor, and the fine water droplet generating means. And arranged so that the air flow in the main body by the blower means becomes the fine water droplet generation means, the first evaporator, and the condenser in order from the upstream side, and uses condensed water condensed on the first evaporator. The dehumidifier is operated while spraying fine water droplets from the fine water droplet generating means.   A second evaporator is arranged between the expansion mechanism constituting the refrigeration cycle and the first evaporator, and the flow of air in the main body by the blower means in order from the upstream side is the fine water droplet generating means, the first evaporator, and the second evaporation. The dehumidifying device according to claim 1, wherein the dehumidifying device is arranged so as to be a condenser and a condenser and is operated while spraying fine water droplets from the fine water droplet generating means using condensed water condensed on the second evaporator. Machine.   The dehumidifier according to claim 1 or 2, wherein the control means has a time counting function from the start of operation and operates the fine water droplet generating means after a predetermined operation time.   The dehumidifier according to claim 3, wherein a humidity detector is provided, a moisture recovery amount is calculated from the humidity detection value, and the time count value is corrected.

Images