CN102679470A - Self-cleaning efficient constant-humiture energy-saving central air conditioner - Google Patents
Self-cleaning efficient constant-humiture energy-saving central air conditioner Download PDFInfo
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- CN102679470A CN102679470A CN2012101638843A CN201210163884A CN102679470A CN 102679470 A CN102679470 A CN 102679470A CN 2012101638843 A CN2012101638843 A CN 2012101638843A CN 201210163884 A CN201210163884 A CN 201210163884A CN 102679470 A CN102679470 A CN 102679470A
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Abstract
The invention provides a self-cleaning efficient constant-humiture energy-saving central air conditioner which comprises a hollow air cabinet body, a blower, a cold water coil, a multistage air strainer, a PLC (programmable logic controller) and a dehumidification system. The air cabinet body is further provided with a fresh air hole. The outside of the air cabinet body is provided with a wet curtain precooler facing the fresh air hole and a water supply system. The wet curtain precooler is communicated with the inside of the air cabinet body through the fresh air hole. The water supply system comprises a water tank, a water pump inside the water tank, an adjusting valve and a return water pipe. The water pump is communicated with the wet curtain precooler. Two ends of the return water pipe are communicated with the wet curtain precooler and the water tank respectively. The bottom of the water tank is provided an electromagnetic valve drain outlet. The self-cleaning efficient constant-humiture energy-saving central air conditioner is simple in structure, low in energy consumption, low in water consumption, energy-saving, temperature-controllable, capable of humidifying and dehumidifying, and automatically cleanable.
Description
Technical field
The present invention relates to a kind of air-conditioning equipment, relate more specifically to the energy-conservation central air conditioning equipment of a kind of self-cleaning efficient constant temperature and humidity.
Background technology
Present central air-conditioning wind cabinet is divided into two types, and one type is the controlled humidity air-conditioning wind cabinet that has the electric heating humidification device, and another kind of is the common air-conditioning wind cabinet of not being with humidifier.The wet curtain type environment-friendly air conditioner that occurred in recent years also is widely used, and at some the less demanding occasion of temperature and humidity has partly been replaced central air-conditioning wind cabinet.
Common air-conditioning wind cabinet mainly comprises following a few major part: wind cabinet main body; In the outside main air port that is equipped with of wind cabinet main body: a) be provided in the air outlet of wind cabinet body front end; B) return air inlet of rear end; And c) fresh wind port of upper end, back; On backwind tube, generally can connect bypass exhausting pipe racks exhaust blower; Be equipped with blower fan, water-cooled coil pipe and multi-staged air screen pack backward according to this in wind cabinet body interior in the past.Ordinary central air-conditioner wind cabinet can satisfy various to the more accurate occasion of temperature control ratio; Adaptability is strong; Temperature is not changed with the variation of weather, can dehumidify through the water-cooled coil pipe, but consume energy higher can not humidification; And humidity can change along with the variation of weather, can't satisfy the environment that humidity is had requirement.
The difference of controlled humidity air-conditioning wind cabinet and common air-conditioning wind cabinet mainly is: 1, install an electrical heating humidifier additional at the blower fan leading portion; 2, on backwind tube, install the humidity survey meter additional; 3, install electric heater additional at ajutage.Controlled humidity air-conditioning wind cabinet can satisfy various temperature and humidity is controlled and require all more accurate occasion, and adaptability is strong, can be through the dehumidifying of water-cooled coil pipe, also available electric moistening device humidification; Temperature, humidity do not change with the variation of weather, but the very high and water consumption of power consumption makes energy charge and maintenance cost very high, and especially at dry weather, it is higher to consume energy, and the expense of investment is also very high first.
Wet curtain type environment-friendly air conditioner is a kind of air cooling-down technology of novel cheap and simple: wet curtain type environment-friendly air conditioner is made up of wet curtain, blower fan and water system.Its cool principle is: the moisture that water system provides wet curtain to need, when fan operation, produce pressure reduction on wet curtain both sides, and make air flow through the moistening wet curtain of porous.The lip-deep water of internal control evaporates under adiabatci condition, and the air of the wet curtain of being flowed through is again taken away, and has taken away great amount of heat simultaneously, thereby has reduced the temperature of air self.Wet curtain type environment-friendly air conditioner energy-saving effect has the cooling-down effect of highly significant, ideal, but receive the influence of weather very big, bad adaptability, the temperature and humidity that can not keep relative stability; It is humidification continuously, can not dehumidify, and humidity is uncontrollable, and water consumption is big, and is inoperative at overcast and rainy high humility weather; And the air humidity after the cooling is too big, and is not suitable for directly being used for the adjustment in the human movable space of life, in addition; After this wet curtain type environment-friendly air conditioner uses a period of time; Can the more dust of accumulation in the wet curtain, often need artificial unloading's cleanings of getting off, safeguard very to bother; Cause maintenance cost high, use extremely inconvenient.
Therefore, be necessary to provide the energy-conservation central air conditioning equipment of a kind of improved self-cleaning efficient constant temperature and humidity to overcome above-mentioned defective.
Summary of the invention
The purpose of this invention is to provide the energy-conservation central air conditioning equipment of a kind of self-cleaning efficient constant temperature and humidity, simple in structure, few, the energy savings of power consumption low water consumption and controllable temperature, humidification and dehumidifying, and can clean automatically.
For realizing above-mentioned purpose; The energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity provided by the invention; Comprise the wind cabinet main body that is hollow structure, be located at air outlet, return air inlet and pressure fan, chilled water coil and the multi-staged air screen pack that is positioned at said wind cabinet body interior and is provided with successively to the rear end from said wind cabinet body front end of the front and back ends of wind cabinet main body respectively, said pressure fan and chilled water coil also are electrically connected with a PLC controller; The energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises dehumidification system; Said dehumidification system comprises compressor, condenser, expansion valve and evaporimeter; Said compressor is arranged in the said wind cabinet main body, and said condenser is arranged on the air outlet, and said evaporimeter is arranged at the front end of said chilled water coil; The upper end of said compressor is communicated with said upper end of condenser; Said condenser lower end is communicated with said expansion valve, and said expansion valve is communicated with said evaporimeter lower end, and said evaporimeter upper end is communicated with the lower end of said compressor; Said dehumidification system is electrically connected with said PLC controller; Said wind cabinet main body also is provided with fresh wind port, and the outside of said wind cabinet main body is provided with wet curtain precooling device and water system over against said fresh wind port, and said wet curtain precooling device is through the inside conducting of said fresh wind port and said wind cabinet main body; Said water system comprises water tank, places water pump, control valve and backflow water pipe in the said water tank; Said water tank is communicated with running water pipe; Said water pump one end is communicated with said wet curtain precooling device through control valve, and the other end is communicated with said water tank, and said backflow water pipe two ends are connected with said wet curtain precooling device and water tank respectively; Said water tank bottom is provided with the magnetic valve sewage draining exit, and said magnetic valve sewage draining exit, control valve and said water pump are electrically connected with said PLC controller respectively; Said water tank is a kind of attemperater, and said backflow water pipe also is the water pipe of insulation, can guarantee that like this water that is in the water tank is in a lower temperature, helps new wind is lowered the temperature; Under the effect of said pressure fan; The outer new wind of said wind cabinet main body is earlier through getting into said wind cabinet body interior after the said wet curtain precooling device precooling, and with get into from said return air inlet and through said multi-staged air screen pack filter, return air air after chilled water coil cooling and the evaporimeter dehumidifying sees off from said air outlet after mixing.
Preferably, said wet curtain precooling device comprise be provided with around opening housing, be installed on a plurality of wet curtain around the enclosure interior and be installed on the peripheral filter screen of said wet curtain.Utilize said wet curtain, high-temperature gas can be taken away heat by the water evaporates in the wet curtain after through wet curtain, and this is a characteristic of utilizing the heat absorption evaporation of water; Thereby under the situation that does not need the loss electric energy; Effectively reduce gas temperature, energy savings, economic environmental protection; And said filter screen can filter said High Temperature Gas before through said wet curtain to it, reduces the dust quantity of gas.
Particularly, said wet curtain precooling device also comprises evaporation control system, is used for control and supplies with the lip-deep water yield of said wet curtain.
Preferably, be provided with the extension airduct between said fresh wind port and the said wet curtain precooling device.Said wet curtain precooling device can be directly installed on the wind cabinet main body according to field condition, or is installed to the position of being convenient to cleaning through extending airduct, is convenient to the cleaning maintenance of wet curtain precooling device.
Preferably; Said water tank also comprises condensate pipe; One end of said condensate pipe is communicated with the bottom of said chilled water coil, and the other end is communicated with said water tank, and the condensed water that the said chilled water coil of process produces is recovered in the said water tank through said condensate pipe and recycles with realization.
Preferably; Said fresh wind port, air outlet and return air inlet are equipped with air-valve and ratio YE; Said wind cabinet main body is provided with the Temperature Humidity Sensor that is electrically connected with said PLC controller near return air inlet; Said PLC controller receives the information of said Temperature Humidity Sensor, and controls the start and stop of the water-supply quantity of said water system, said compressor and the opening degree of passing ratio YE control air-valve, and then control air quantity and aerial temperature and humidity.
Preferably, the energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises the ultraviolet sterilization module, and said ultraviolet sterilization module is arranged between said pressure fan and the air outlet, and is electrically connected with said PLC controller.
Preferably; The energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises the cleaning shower nozzle; Said cleaning shower nozzle is arranged at the rear end of said chilled water coil and is communicated with said water pump; Be provided with magnetic valve between said cleaning shower nozzle and the said water pump, said magnetic valve is electrically connected with said PLC controller.Through said cleaning shower nozzle is set; When the energy-conservation central air conditioning equipment of the self-cleaning efficient constant temperature and humidity of the present invention carries out winter mode; Said wet curtain precooling device quits work, and utilizes said cleaning shower nozzle controlled humidity just can make and reaches the purpose of air being carried out humidification.In addition, when cleaning, can water be delivered in the said cleaning shower nozzle through the said water pump 32 of said solenoid control again, make said cleaning shower nozzle realize automatically cleaning said chilled water coil.
Preferably; The energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises suction opeing and air exhauster; Said suction opeing is arranged at the rear end of said multi-staged air screen pack; And said air exhauster places between said suction opeing and the said return air inlet, and said air exhauster is electrically connected with said PLC controller.
Preferably, said dehumidification system also comprises another condenser, and said another condenser is arranged on the said return air inlet, and said another condenser is parallelly connected through another magnetic valve with said condenser, and said another magnetic valve is electrically connected with the PLC controller.The refrigeration of the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity and dehumidifying requirement according to the present invention; Said PLC controller can be controlled said another magnetic valve conversion flexibly; Realize the exchange operation of said condenser and said another condenser; Thereby improve the Energy Efficiency Ratio of wind cabinet to greatest extent, it is energy-conservation again to dehumidify.
Compared with prior art; The energy-conservation central air conditioning equipment of the self-cleaning efficient constant temperature and humidity of the present invention is at the fresh wind port of ordinary central air-conditioner wind cabinet the wet curtain precooling device with blower fan to be installed not; Adopt simple Wet-curtain temperature reducing technology to do preliminary treatment for the cooling air of air-conditioning wind cabinet; Making extraneous high temperature air is to get in the air-conditioning wind cabinet behind the cold air of high humility through Wet-curtain temperature reducing earlier again; Simultaneously, a part is cooled off in chilled water coil from the high temperature air that return air inlet gets into, thereby the mixing of two-way gas is seen off to said air outlet again; And in said wind cabinet body interior said dehumidification system is installed, is utilized said dehumidification system can realize again the air that return air inlet gets into is dehumidified.In addition; On said wet curtain precooling device, water system is installed; Utilize water pump, control valve and the backflow water pipe of water system to make said water system on said wet curtain precooling device, form backflow, can the water of wet curtain precooling be recycled using water wisely on the one hand; Can when needed the output of said control valve be transferred to maximum on the other hand, clean thereby wet curtain precooling device is carried out Automatic Cycle.It is thus clear that; The self-cleaning efficient constant temperature and humidity of the present invention energy-conservation central air conditioning equipment combined the control of ordinary central air-conditioner wind cabinet temperature accurately, can dehumidify, adaptability is strong, but weatherproof advantage and wet curtain ring are protected the efficient humidification of air conditioner energy saving advantage; And can realize all functions of controlled humidity air-conditioning wind cabinet; But avoided its highly energy-consuming water consumption, and need frequent deficiency of manually cleaning, very easy to use.
Through following description and combine accompanying drawing, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the structural representation of the energy-conservation central air conditioning equipment of the self-cleaning efficient constant temperature and humidity of the present invention.
Fig. 2 is the side schematic view of the energy-conservation central air conditioning equipment of the self-cleaning efficient constant temperature and humidity of the present invention.
Fig. 3 connects the structural representation of water system for wet curtain precooling device in the energy-conservation central air conditioning equipment of the self-cleaning efficient constant temperature and humidity of the present invention.
Fig. 4 is the structural representation of the energy-conservation central air conditioning equipment apoplexy of the self-cleaning efficient constant temperature and humidity of the present invention cabinet main body.
Fig. 5 is the structural representation of energy-conservation another angle of central air conditioning equipment of the self-cleaning efficient constant temperature and humidity of the present invention.
The specific embodiment
Like Fig. 1 and shown in Figure 2, shown a preferred embodiment of the energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention.The energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention comprises wind cabinet main body 1, wet curtain precooling device 2, water system 3, ultraviolet sterilization module (not shown), cleaning shower nozzle 4, pressure fan 5, chilled water coil 6, multi-staged air screen pack 7 and the dehumidification system 101 that is hollow structure; Said wind cabinet main body 1 inner and from said wind cabinet main body 1 front end set gradually to the rear end order for dehumidification system 101, pressure fan 5, chilled water coil 6, clean shower nozzle 4 and multi-staged air screen pack 7; Preceding, the middle part and the rear end of said wind cabinet main body 1 also are provided with air outlet 11, fresh wind port 12 and return air inlet 13 respectively successively; Said fresh wind port 12 is arranged at the rear end of said chilled water coil 6, and certainly, according to different instructions for uses, said fresh wind port 12 also can be arranged on the place ahead of said chilled water coil 6; Require humidity bigger like the field of employment,, also can be provided with simultaneously in the front end and the rear end of said chilled water coil 6 to the low front end that can fresh wind port 12 be arranged on chilled water coil 6 of air-borne dust content requirement; As higher to field of employment air-borne dust content requirement, fresh wind port 12 can design the rear end in chilled water coil 6.Said pressure fan 5, chilled water coil 6 and dehumidification system 101 also are electrically connected with a PLC controller (not shown), and said multi-staged air screen pack 7 comprises primary air screen pack 71 and secondary air screen pack 72.Said ultraviolet sterilization module is arranged between said pressure fan 5 and the air outlet 11, and is electrically connected with said PLC controller.Under the effect of said pressure fan 5; The outer new wind of said wind cabinet main body 1 is earlier through getting into said wind cabinet main body 1 inside after said wet curtain precooling device 2 precoolings, and with get into from said return air inlet 13 and through said primary air screen pack 71 and secondary air screen pack 72 filters and chilled water coil 6 cooled return air air are seen off from said air outlet 11 after mixing.
See also Fig. 3, particularly, said wet curtain precooling device 2 is through the internal communication of said fresh wind port 12 with said wind cabinet main body 1; Said wet curtain precooling device 2 comprise be provided with around opening housing 21, be installed on a plurality of wet curtain 22 around inner of housing 21, be installed on peripheral filter screen 23 and the evaporation control system (not shown) of said wet curtain.Said filter screen 23 is stainless steel cloth or nylon mesh.Said filter screen 23 can filter through said wet curtain 22 said high-temperature gas to it, reduce the dust quantity of gas.Said evaporation control system is used for control and supplies with the said wet curtain 22 lip-deep water yields.Said wet curtain 22 profiles are tabular, are made up of cellular hydrophilic unconsolidated material, and said wet curtain 22 is provided with a plurality of apertures; During work, said water system 3 provides moisture content to said wet curtain 22 under the effect of said PLC controller, and water makes whole wet curtain 22 moistening along the infiltration of said aperture, and the water on the wet curtain 22 is evaporated into steam under the effect of said evaporation control system.Under the effect of pressure fan 5; The air of high temperature filters the back from opening one end of said wet curtain precooling device 2 through screen pack 23 and gets into when wetting curtain 22 and passing said aperture; Take away the steam in the said wet curtain 22; And the moisture in the said wet curtain 22 constantly evaporation replenishes, because water evaporates need absorb great amount of heat from air, and therefore can be by moistening and lowering temperature through the air of wet curtain 22.Got into said wind cabinet main body 1 inside by the air behind the moistening and lowering temperature through said fresh wind port 12.Through utilizing said wet curtain 22, high-temperature gas can be taken away heat by the water evaporates in the wet curtain 22 after through wet curtain 22, and this is a characteristic of utilizing the heat absorption evaporation of water; Thereby under the situation that does not need the loss electric energy; Effectively reduce gas temperature, energy savings, economic environmental protection.
Please consult shown in Figure 3ly again, said water system 3 comprises water tank 31, place water pump 32, control valve 33, backflow water pipe 34 and condensate pipe 35 in the said water tank; Said water tank 31 is communicated with running water pipe, specifically is, float valve is installed in water tank 31, connects running water pipe to water tank 31 through float valve, thereby when water tank 31 water levels are low, opens running water pipe automatically, to replenish the water source; Said water pump 32 1 ends are communicated with said wet curtain precooling device 2 through control valve 33; The other end is communicated with said water tank 31; Said backflow water pipe 34 two ends are connected with said wet curtain precooling device 2 and water tank 31 respectively; Said water tank 31 bottoms are provided with magnetic valve sewage draining exit 36, and said magnetic valve sewage draining exit 36, control valve 33 and said water pump 32 are electrically connected with said PLC controller respectively.One end of said condensate pipe 35 is communicated with the bottom of said chilled water coil 6, and the other end is communicated with said water tank 31, and the condensed water that the said chilled water coil 6 of process produces is recovered in the said water tank 31 through said condensate pipe 35 and recycles with realization.
See also shown in Figure 2; Said dehumidification system 101 comprises compressor 101a, condenser 101b, expansion valve 101c and evaporimeter 101d; Said compressor 101a is arranged in the said wind cabinet main body 1, and said condenser 101b is arranged on the air outlet, and said evaporimeter 101d is arranged at the front end of said chilled water coil 6; The upper end of said compressor 101a is communicated with said condenser 101b upper end; Said condenser 101b lower end is communicated with said expansion valve 101c, and said expansion valve 101c is communicated with said evaporimeter 101d lower end, and said evaporimeter 101d upper end is communicated with the lower end of said compressor 101a.The course of work of said dehumidification system 101 is the cold media gas of discharging HTHP through the operation of compressor 101a; Cold media gas gets into said condenser 101b cooling becoming low temperature high pressure gas; Low temperature high pressure gas is transformed into the refrigerant liquid of low-temp low-pressure through said expansion valve 101c; Refrigerant liquid is got back to the gas that compressor 101a becomes low-temp low-pressure after absorbing heat through said evaporimeter 101d evaporation, so moves in circles, and needs the air of dehumidifying cool through behind the said evaporimeter 101d; Airborne moisture content is adsorbed in said evaporimeter 101d surface and then discharges, thereby air is dehumidified.Through said evaporimeter 101d being arranged at the front end of said condenser 101b; The cooling effect of said evaporimeter 101d is met the air that gets into from return air inlet 13 and is condensed into the globule apace after cold; Thereby play the effect of dehumidifying; And said condenser 101b is arranged on the air outlet 11, and the air heat that the heat that utilizes said condenser 101b to discharge will fall after wet is seen off from air outlet 11 after suitable temperature again, thereby reaches air dewetting but be unlikely to cool effect.Certainly; Said dehumidification system 101 can also be provided with another condenser (not shown) again; Said another condenser is arranged on the said return air inlet 13; Said another condenser is parallelly connected through another magnetic valve (not shown) with said condenser 101b, and said another magnetic valve is electrically connected with the PLC controller.The refrigeration of the energy-conservation central air conditioning equipment 100 of self-cleaning efficient constant temperature and humidity and dehumidifying requirement according to the present invention; Said PLC controller can be controlled said another magnetic valve conversion flexibly; Realize the exchange operation of said condenser 101b and said another condenser; Thereby improve the Energy Efficiency Ratio of wind cabinet to greatest extent, it is energy-conservation again to dehumidify.
Please consult Fig. 4 again; Said cleaning shower nozzle 4 is arranged at the rear end of said chilled water coil 6 and is communicated with said water pump 32, and particularly, said water pump 32 extends a branching pipe and is divided into two branches; A wet curtain 22 that leads to wet curtain precooling device 2; Another leads to said cleaning shower nozzle 4, is provided with magnetic valve 37 between said cleaning shower nozzle 4 and the said water pump 32, and said magnetic valve 37 is electrically connected with said PLC controller.Through said cleaning shower nozzle 4 is set; When the energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention carries out winter mode; Said wet curtain precooling device 2 quits work, and utilizes said cleaning shower nozzle 4 controlled humidities just can make and reaches the purpose of air being carried out humidification.In addition, when cleaning, can water be delivered in the said cleaning shower nozzle 4 automatically cleaning that said cleaning shower nozzle 4 is realized said chilled water coil 6 through the said water pump 32 of said magnetic valve 37 controls again.
Be provided with between said fresh wind port 12 and the said wet curtain precooling device 2 and extend airduct 24.Said wet curtain precooling device 2 can be directly installed on the fresh wind port 12 of wind cabinet main body 1 according to field condition, or is installed to the position of being convenient to cleaning through extending airduct 24, is convenient to the cleaning maintenance of wet curtain precooling device 2.
Said fresh wind port 12, air outlet 11 and return air inlet 13 are equipped with air-valve and ratio YE; Said wind cabinet main body 1 is provided with the Temperature Humidity Sensor that is electrically connected with said PLC controller near return air inlet 13; Said PLC controller receives the information of said Temperature Humidity Sensor; And control the water-supply quantity of said water system 3 and the opening degree of passing ratio YE control air-valve, and then control air quantity and aerial temperature and humidity.
As shown in Figure 5; The energy-conservation central air conditioning equipment 100 of said self-cleaning efficient constant temperature and humidity also comprises suction opeing 8 and air exhauster 9; Said suction opeing 8 is arranged at the rear end of said multi-staged air screen pack 7; And said air exhauster 9 places between said suction opeing 8 and the said return air inlet 13, and said air exhauster 9 is electrically connected with said PLC controller.Said suction opeing 8 is provided with air-flow balancing valve 8a, and said PLC controller is controlled the opening degree of said air-flow balancing valve 8a.In addition, also be provided with exhaust valve 10a between said suction opeing 8 and the said return air inlet 13, exhaust duct 10 is communicated with said exhaust valve 10a.Said PLC controller is controlled the opening degree of said exhaust valve 10a.
Comprehensive above-mentioned and combine above-mentioned accompanying drawing, specifically describe the concrete course of work of the energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention below, as follows:
Said PLC controller controls said exhaust valve 10a and cuts out, and the air-valve and the air-flow balancing valve 8a of said return air inlet 13, fresh wind port 12, air outlet 11 open, and; Said PLC controller is controlled said pressure fan 5 and is started; Inside and outside the wind cabinet main body 1, especially wet curtain precooling device 2 both sides produce pressure reduction; Make wind cabinet main body 1 outer high temperature air flow through the moistening wet curtain 22 of porous; Get into said wind cabinet main body 1 inside through the air behind said wet curtain 22 moistening and lowering temperatures through said fresh wind port 12, at this moment, the moisture of the said wet curtain 22 of process is back in the said water tank 31 through said backflow water pipe 34.And simultaneously, after the return air air that gets into from said return air inlet 13 filters through said primary air screen pack 71 and secondary air screen pack 72 earlier, again through said chilled water coil 6 coolings.When needs dehumidify; Said PLC controller is controlled said compressor 101a and is started; And then whole dehumidification system 101 is worked; Said evaporimeter 101d carries out cooling and dehumidifying to the air of seeing off from said chilled water coil 6, through the original temperature of heating to of said condenser 101b, from air outlet 11, sees off after the dehumidifying again.When the needs humidification; Said dehumidification system 101 quits work; Said PLC controller starts said magnetic valve 37, and said magnetic valve 37 is opened, and said water pump 32 supplies water to said cleaning shower nozzle 4 simultaneously; Said cleaning shower nozzle 4 carries out humidification to the return air air through said chilled water coil 6, and the return air air gets into said wind cabinet main body 1 inside; Getting into said wind cabinet main body 1 inner new wind mixes with the return air air and then sees off from said air outlet 11.And the condensate return that the said chilled water coil 6 of process produces after cooling off supplies said wet curtain precooling device 2 uses to recycle with realization in said water tank 31.
The energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention has various modes; Different with boreal climate according to south, the pattern in summer, winter in spring and autumn is also inequality, accurate: 1) when temperature surpasses 25 degrees centigrade; Use summer mode; The air-valve fraction of fresh wind port is opened, and the air-valve of air outlet 12, return air inlet 13 and air-flow balancing valve 8a standard-sized sheet, exhaust valve 10a close, and new wind gets into wind cabinet main body 1 through said wet curtain precooling device 2 coolings; The return air air that return air inlet 13 gets into is by the cooling of the water quench in the chilled water coil 6, and said dehumidification system 101 dehumidifies according to the humidity size.2) when temperature during, use the spring and autumn pattern at 10 ~ 25 degrees centigrade, the air-valve standard-sized sheet of fresh wind port 12, the air-valve complete shut-down of return air inlet 13, exhaust valve 10a opens, and air exhauster 10 operations do not have cooling water in the chilled water coil 6, fully by wet curtain precooling device 2 refrigeration.3) when temperature is lower than degree centigrade, use winter mode, wet curtain precooling device 2 is cut off the water; The air-valve fraction of fresh wind port 12 is opened, the air-valve standard-sized sheet of return air inlet 13, and exhaust valve 10a closes; Cooling water in the chilled water coil 6 has changed hot water into, and said cleaning shower nozzle 4 is according to humidity size spraying humidification.The energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention can also have other patterns, gets final product through the setting of PLC controller, no longer specifies at this.
During normal the use, the current of said water tank 31 curtain 22 surfaces of advancing wet turn back to water tank 31 through backflow water pipe 34 again with the bottom water leg that wet curtains 22 surperficial dusts are pooled to wet curtain precooling device 2 together, the recycling and the automated cleaning of wet curtain 22 of realization water.After using a period of time; Said filter screen 23, wet curtain 22 and said chilled water coil 6 adhere to more dust; And can not go out fully clearly the time, the opening of can be at short notice controlling said control valve 33 and magnetic valve 37 through said PLC controller is opened to maximum, and said water pump 31 supplies water to said wet curtain 22 and chilled water coil 6 in a large number; With the dust strong flushing on said wet curtain 22 and the chilled water coil 6; Again said control valve 33 and magnetic valve 37 are transferred to the normal position after having washed dust, discharge through magnetic valve sewage draining exit 36 at last, obtain clear water from running water pipe again and can continue to use.
The energy-conservation central air conditioning equipment 100 of the self-cleaning efficient constant temperature and humidity of the present invention is at the fresh wind port of ordinary central air-conditioner wind cabinet the wet curtain precooling device 2 with blower fan to be installed not; Adopt simple Wet-curtain temperature reducing technology to do preliminary treatment for the cooling air of air-conditioning wind cabinet; Extraneous high temperature air is lowered the temperature through wet curtain 22 earlier to be got in the wind cabinet main body 1 of air-conditioning for behind the cold air of high humility again; Simultaneously; A part is cooled off in chilled water coil 6 from the high temperature air that return air inlet 13 gets into, thereby the mixing of two-way gas is seen off to said air outlet 11 again; And in said wind cabinet body interior said dehumidification system is installed, is utilized said dehumidification system can realize again the air that return air inlet gets into is dehumidified.In addition; Water system 3 is installed on said wet curtain precooling device 2; Utilize water pump 32, control valve 33 and the backflow water pipe 34 of water system 3 to make said water system 1 on said wet curtain precooling device 2, form backflow, can the water of wet curtain precooling be recycled using water wisely on the one hand; Can when needed the output of said control valve 33 be transferred to maximum on the other hand, clean thereby wet curtain precooling device 2 is carried out Automatic Cycle.It is thus clear that; The self-cleaning efficient constant temperature and humidity of the present invention energy-conservation central air conditioning equipment 100 combined the control of ordinary central air-conditioner wind cabinet temperature accurately, can dehumidify, adaptability is strong, but weatherproof advantage and wet curtain ring are protected the efficient humidification of air conditioner energy saving advantage; And can realize all functions of controlled humidity air-conditioning wind cabinet; But avoided its highly energy-consuming water consumption, and need frequent deficiency of manually cleaning, very easy to use.
Invention has been described more than to combine most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (10)
1. energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity; Comprise the wind cabinet main body that is hollow structure, be located at air outlet, return air inlet and pressure fan, chilled water coil and the multi-staged air screen pack that is positioned at said wind cabinet body interior and is provided with successively to the rear end from said wind cabinet body front end of the front and back ends of wind cabinet main body respectively; Said pressure fan and chilled water coil also are electrically connected with a PLC controller; It is characterized in that: the energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises dehumidification system, and said dehumidification system comprises compressor, condenser, expansion valve and evaporimeter, and said compressor is arranged in the said wind cabinet main body; Said condenser is arranged on the air outlet; Said evaporimeter is arranged at the front end of said chilled water coil, and the upper end of said compressor is communicated with said upper end of condenser, and said condenser lower end is communicated with said expansion valve; Said expansion valve is communicated with said evaporimeter lower end, and said evaporimeter upper end is communicated with the lower end of said compressor; Said dehumidification system is controlled at said PLC and is electrically connected; Said wind cabinet main body also is provided with fresh wind port, and the outside of said wind cabinet main body is provided with wet curtain precooling device and water system over against said fresh wind port, and said wet curtain precooling device is through the inside conducting of said fresh wind port and said wind cabinet main body; Said water system comprises water tank, places water pump, control valve and backflow water pipe in the said water tank; Said water tank is communicated with running water pipe; Said water pump one end is communicated with said wet curtain precooling device through control valve, and the other end is communicated with said water tank, and said backflow water pipe two ends are connected with said wet curtain precooling device and water tank respectively; Said water tank bottom is provided with the magnetic valve sewage draining exit, and said magnetic valve sewage draining exit, control valve and said water pump are electrically connected with said PLC controller respectively; Under the effect of said pressure fan; The outer new wind of said wind cabinet main body is earlier through getting into said wind cabinet body interior after the said wet curtain precooling device precooling, and with get into from said return air inlet and through said multi-staged air screen pack filter, return air air after chilled water coil cooling and the evaporimeter dehumidifying sees off from said air outlet after mixing.
2. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1 is characterized in that: said wet curtain precooling device comprise be provided with around opening housing, be installed on a plurality of wet curtain around the enclosure interior and be installed on the peripheral filter screen of said wet curtain.
3. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 2, it is characterized in that: said wet curtain precooling device also comprises evaporation control system, is used for control and supplies with the lip-deep water yield of said wet curtain.
4. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1 is characterized in that: be provided with the extension airduct between said fresh wind port and the said wet curtain precooling device.
5. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1; It is characterized in that: said water tank also comprises condensate pipe; One end of said condensate pipe is communicated with the bottom of said chilled water coil; The other end is communicated with said water tank, and the condensed water that the said chilled water coil of process produces is recovered in the said water tank through said condensate pipe and recycles with realization.
6. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1; It is characterized in that: said fresh wind port, air outlet and return air inlet are equipped with air-valve and ratio YE; Said wind cabinet main body is provided with the Temperature Humidity Sensor that is electrically connected with said PLC controller near return air inlet; Said PLC controller receives the information of said Temperature Humidity Sensor; And control the start and stop of the water-supply quantity of said water system, said compressor and the opening degree of passing ratio YE control air-valve, and then control air quantity and aerial temperature and humidity.
7. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1; It is characterized in that: the energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises the ultraviolet sterilization module; Said ultraviolet sterilization module is arranged between said pressure fan and the air outlet, and is electrically connected with said PLC controller.
8. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1; It is characterized in that: the energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises the cleaning shower nozzle; Said cleaning shower nozzle is arranged at the rear end of said chilled water coil and is communicated with said water pump; Be provided with magnetic valve between said cleaning shower nozzle and the said water pump, said magnetic valve is electrically connected with said PLC controller.
9. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1; It is characterized in that: the energy-conservation central air conditioning equipment of said self-cleaning efficient constant temperature and humidity also comprises suction opeing and air exhauster; Said suction opeing is arranged at the rear end of said multi-staged air screen pack; And said air exhauster places between said suction opeing and the said return air inlet, and said air exhauster is electrically connected with said PLC controller.
10. the energy-conservation central air conditioning equipment of self-cleaning efficient constant temperature and humidity as claimed in claim 1; It is characterized in that: said dehumidification system also comprises another condenser; Said another condenser is arranged on the said return air inlet; Said another condenser is parallelly connected through another magnetic valve with said condenser, and said another magnetic valve is electrically connected with the PLC controller.
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| CN201210163884.3A CN102679470B (en) | 2012-05-23 | 2012-05-23 | Self-cleaning efficient constant-humiture energy-saving central air conditioner |
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| RU2707168C2 (en) * | 2014-12-03 | 2019-11-22 | Цзянсу Фэншэнь Эир Кондишенинг Груп Ко., Лтд | Disc-type air ecosystem box and climatic ecologized air-conditioning method therefor |
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| CN108049667A (en) * | 2017-12-26 | 2018-05-18 | 胡振强 | Wind-force sunk type dedusting environment friendly self-temperature-regulating workshop |
| CN110873406A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN109357372A (en) * | 2018-10-25 | 2019-02-19 | 浙江大学 | Manifold type temperature and humidity control system with adsorption condensing water supplement function |
| CN110578969A (en) * | 2019-08-08 | 2019-12-17 | 北京王府科技有限公司 | Self-cleaning fresh air inlet system and operation method |
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