CN103090480B - Active window type energy conversion and ventilation device - Google Patents

Abstract

The present invention relates to an active window-type energy conversion and ventilation device, which at least includes an exhaust duct, an air inlet duct, an air conditioning unit, a water circulation heat exchange unit and a controller, wherein an outdoor fan motor is provided in the exhaust duct, an indoor fan motor is provided in the air inlet duct, and the components of the air conditioning unit and the water circulation heat exchange unit are arranged in the exhaust duct and the air inlet duct and are controlled by the controller. The air discharged from the exhaust duct is first pre-cooled, water evaporated and heat exchanged by the water circulation heat exchange unit to produce energy conversion and ventilation effects, so that the circulating water of the water circulation heat exchange unit, when entering its indoor water heat exchanger, has a water temperature closer to the dew point temperature of the indoor air, so as to reduce the heat load of the air conditioning unit and enhance its operating efficiency, so that the operation of the air conditioning unit can achieve energy saving and reduce the pollution of waste heat emission in an active manner.

Description

Active window type energy conversion and ventilation device

technical field

The invention relates to an active window type energy conversion and ventilation device, which can make the intake energy after heat exchange by the indoor water heat exchanger close to the dew point temperature of the indoor air, so as to reduce the heat load of the air conditioning unit , enhance its operating efficiency, so that the operation of the air conditioning unit can achieve energy saving and reduce pollution from waste heat emissions in an active manner.

Background technique

Due to the continuous progress and widespread use of science and technology, human life has become more convenient and comfortable. However, compared with everything brought by previous science and technology, in addition to the miraculous positive benefits, its negative damage has also existed for a long time, but People have not really paid attention to it. In recent years, global warming and climate change have brought meteorological disasters, which have been constantly staged around people's lives around the world. Therefore, environmental protection issues have also been continuously raised and discussed. Various pollution prevention and control, energy saving Equipment has become one of the mainstream of current product design.

Although environmental protection, renewable energy, and energy-saving equipment have gradually gained popularity, most of them focus on air-conditioning, refrigerants, energy consumption reduction, noise, humanized control, etc., but when people are eager to pay attention to air purification in air-conditioned spaces , but ignores the impact of the dirty air discharged from the air-conditioning equipment on the environment. In fact, although people use some filter materials or other methods to obtain a clean air-conditioned space, the dust, fibers and other free impurities in the air-conditioned space, etc. , is also discharged to the outside with the operation of the air conditioner, and in a highly populated urbanization, the fresh air introduced by the air conditioner is actually the introduction of other dirty air discharged by the air conditioner, which in turn causes secondary pollution pollution. One of the sources of air pollution.

In view of the above deficiency, there are patent applications in Taiwan, China: 86215265, 95113255, 95113256 and other patent cases (hereinafter referred to as the previous cases). Although these previous cases can provide solutions, the fly in the ointment is the conversion of energy. And the replacement of intake and exhaust, the pre-cooling temperature drop ability that can be exerted can only be close to the wet bulb temperature range of indoor exhaust; to explore the reason is that the treatment methods for exhaust in the above-mentioned previous proposals are only The process of evaporation and heat exchange is carried out, so that the exhausted waste heat cannot be completely absorbed and converted, let alone reused through pre-cooling.

As mentioned above, energy saving has become an important part of energy use. In particular, how to reduce the discharge of waste heat to reduce thermal pollution to the environment has become a major issue for the air-conditioning industry. For this reason, many companies are actively working on Improve the existing air-conditioning equipment in order to achieve the effect of energy saving, but so far there is still no better solution.

Contents of the invention

In view of the shortcomings of the existing technology, the inventor of this case finally completed the active window type energy conversion and ventilation device of the present invention after numerous improvements. After heat exchange by the exchanger, the intake air temperature can be close to the dew point temperature of the indoor air, so that the operation of the air conditioning unit can actively achieve energy saving and reduce waste heat emission pollution.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An active window-type energy conversion and ventilation device is characterized in that it at least includes a row of air ducts, an air inlet duct, an air conditioning unit, a water circulation heat exchange unit and a controller, and the air exhaust duct is provided with a The outdoor side fan motor is provided with an indoor fan motor in the air inlet channel, and the components of the air conditioning unit and the water circulation heat exchange unit are arranged in the air exhaust channel and the air inlet channel, and are controlled by the controller. The air conditioning unit includes a compressor, an evaporator, a refrigerant flow controller and a condenser. The water cycle heat exchange unit includes an air precooling heat exchanger, a water evaporator, an outdoor water heat exchanger, and an indoor side water heat exchanger and a water pump, wherein:

The outdoor side fan motor is used to send the indoor air out of the air outlet through the air outlet, and is installed on one side of the air outlet;

The indoor side fan motor is used to send outdoor air into the room from the air inlet, and is installed on one side of the air inlet;

The compressor is the power source for the refrigerant transmission of the air conditioning unit;

The evaporator is arranged in the air inlet channel, and performs heat-absorbing heat exchange on the passing air;

The refrigerant flow controller controls the flow of the refrigerant;

The condenser is arranged in the air exhaust channel, and performs heat exchange for exhaust heat passing through;

The air pre-cooling heat exchanger is a pre-cooling device composed of a coil, installed in the exhaust duct near the indoor air outlet, the air pre-cooling heat exchanger is composed of a coil, its The water outlet end is connected to at least one first connecting pipe, and the end section of the first connecting pipe is provided with at least one water spray head, and the water inlet end of the coil is connected to a second connecting pipe, and the second connecting pipe is Connect with the water outlet of the outdoor side water heat exchanger;

The water evaporator is a water mist refrigeration device that produces water evaporation and heat absorption effect. It is arranged in the air exhaust duct and adjacent to the air pre-cooling heat exchanger. The upper end of the water evaporator receives the water sprayed by the water spray head water, and produce water evaporation heat absorption effect with the passing air to remove impurities in the passing air and transfer sensible heat in the air. The lower end of the water evaporator is provided with a water collecting pan and a water outlet. The end is connected to a third connecting pipe, and the third connecting pipe is connected to the water inlet end of the indoor water heat exchanger. The third connecting pipe is provided with a water pump for pushing circulating water to circulate;

The outdoor side water heat exchanger is arranged on the other side of the exhaust duct, and is adjacent to the condenser. The water inlet end of the outdoor side water heat exchanger is connected with a fourth connecting pipe to receive the indoor side water heat exchanger. The circulating water sent by the water heat exchanger, and the water outlet end of the outdoor water heat exchanger sends its outlet water to the air precooling heat exchanger through the second connecting pipe;

The indoor water heat exchanger is arranged on one side of the air inlet channel and adjacent to the evaporator, and the water inlet end of the indoor water heat exchanger is connected to the third connecting pipe to receive the water evaporated from the water. The circulating water sent by the water heater, and the water outlet end of the indoor water heat exchanger sends its outlet water to the outdoor water heat exchanger through the fourth connecting pipe;

The controller controls the opening and closing of the compressor, the outdoor fan motor, the indoor fan motor and the water pump.

Wherein, the air outlet of the air exhaust channel is provided with an air exhaust filter to filter impurities in the air.

Wherein, the air inlet of the air inlet is provided with an air inlet filter to filter impurities in the air.

Wherein, the water collection tray is connected with a water supply pipe to supplement the water required for circulation.

Compared with the prior art, the beneficial effect of the present invention is that the present invention is especially suitable for the use environment with a compressor as the power source, and the air discharged from the exhaust duct is first passed through the water cycle by virtue of the present invention. After the pre-cooling, water evaporation and heat exchange of the heat exchange unit, energy conversion and ventilation effects are generated, so that the circulating water of the water circulation heat exchange unit enters the indoor water heat exchanger, and the temperature of the water is closer to the indoor temperature. The dew point temperature of the side air can reduce the heat load of the air conditioning unit and enhance its operating efficiency, so that the operation of the air conditioning unit can be more active to achieve energy saving and avoid heat emission pollution.

Description of drawings

Fig. 1 is a schematic diagram of system configuration of the present invention;

Fig. 2 is a schematic diagram of the appearance of a specific embodiment of the present invention.

Explanation of reference signs: A-active window type energy conversion gas device; 10-exhaust air duct; 101-exhaust air outlet; 102-exhaust air filter; 103-exhaust air side; 11-outdoor fan motor; 20- 201-air inlet; 202-air inlet filter; 203-air inlet side; 21-indoor fan motor; 3-air conditioning unit; 31-compressor; 32-evaporator; 33-refrigerant flow controller ;34-condenser;4-water cycle heat exchange unit;41-air precooling heat exchanger;410-coil;411-water outlet;412-water inlet;42-water evaporator;421-water outlet;422 -Water collecting tray; 43-Outdoor water heat exchanger; 431-Water outlet; 432-Water inlet; 44-Indoor water heat exchanger; 441-Water inlet; 442-Water outlet; 45-Water pump; 5 -Controller; L1-first connecting pipe; L11-sprinkler head; L2-second connecting pipe; L3-third connecting pipe; L4-fourth connecting pipe; L5-water supply pipe.

Detailed ways

Please refer to Fig. 1 and Fig. 2, the active window type energy conversion and ventilation device A of the present invention at least includes a row of air ducts 10, an air inlet duct 20, an air conditioning unit 3, and a water circulation heat exchange unit 4 and a controller 5, an outdoor fan motor 11 is provided in the air exhaust channel 10, an indoor fan motor 21 is provided in the air inlet channel 20, and the components of the air conditioning unit 3 and the water circulation heat exchange unit 4 are Set in the air exhaust channel 10 and the air intake channel 20, and controlled by the controller 5, the air conditioning unit 3 includes a compressor 31, an evaporator 32, a refrigerant flow controller 33 and a condenser 34, The water circulation heat exchange unit 4 includes an air precooling heat exchanger 41, a water evaporator 42, an outdoor water heat exchanger 43, an indoor water heat exchanger 44 and a water pump 45, wherein:

The outdoor side fan motor 11 is used to send indoor air out of the air duct 10. It is installed on one side (including the inside or outside) of the air exhaust duct 10, and the ideal installation point Preferably at the position near the exhaust side 103 of the exhaust duct 10;

The indoor side fan motor 21 is used to send outdoor air into the room from the air inlet 20, and it is installed on one side (including the inside or outside) of the air inlet 20, and the ideal installation point Preferably at the position near the air inlet side 203 of the air inlet channel 20;

The compressor 31 is the power source for the refrigerant transmission of the air conditioning unit 3;

The evaporator 32 is arranged in the air inlet channel 20, and performs heat-absorbing heat exchange on the passing intake air;

The refrigerant flow controller 33 controls the flow of the refrigerant;

The condenser 34 is arranged in the air exhaust duct 10, and performs heat exchange for exhaust heat passing through;

The air precooling heat exchanger 41 is a precooling device composed of a coil pipe 410, which is installed in the exhaust duct 10 near the indoor air outlet 101. The air precooling heat exchanger 41 is The water outlet 411 is connected to at least one first connecting pipe L1, the end of the first connecting pipe L1 is provided with at least one sprinkler head L11, and the water inlet 412 of the coiled pipe 410 is connected to a second connecting pipe L2 , the second connecting pipe L2 is connected to the water outlet 431 of the outdoor water heat exchanger 43;

The water evaporator 42 is a water mist cooling device (the water evaporator 42 can also be an ultrasonic water mist device) that produces water evaporation heat absorption effect, and it is arranged in the air exhaust duct 10 and adjacent to the air preheater. Cold heat exchanger 41, the upper end of the water evaporator 42 receives the water sprayed by the sprinkler head L11, and produces water evaporation and heat absorption effect with the passing air, so as to remove the impurities in the passing air and transfer the water in the air. Sensible heat, the lower end of the water evaporator 42 is provided with a water collecting pan 422 and a water outlet 421, the water outlet 421 is connected to a third connecting pipe L3, and the third connecting pipe L3 is provided with the water pump 45, which is Used to push the circulating water cycle, the water collecting tray 422 is to collect the circulating water of the water evaporator 42, and transmit it to the indoor water heat exchanger 44 through the third connecting pipe L3, and the water collecting tray 422 is combined with a The water supply pipe L5 is connected to supplement the water required for circulation;

The outdoor water heat exchanger 43 is arranged on the other side of the exhaust duct 10, and is adjacent to the condenser 34. The water inlet 432 of the outdoor water heat exchanger 43 is connected to a fourth connecting pipe L4 connected to receive the circulating water sent by the indoor water heat exchanger 44, and the water outlet end 431 of the outdoor water heat exchanger 43 is to send its outlet water to the air pre-cooling heat exchanger through the second connecting pipe L2 Device 41;

The indoor water heat exchanger 44 is arranged on one side of the air inlet channel 20, adjacent to the evaporator 32, and the water inlet end 441 of the indoor water heat exchanger 44 is connected to the third connecting pipe L3 , to receive the circulating water sent from the water evaporator 42, and the water outlet end 442 of the indoor water heat exchanger 44 is to transmit its outlet water to the outdoor water heat exchanger 43 through the fourth connecting pipe L4;

The controller 5 controls the opening and closing of the active window type energy conversion and ventilation device A of the present invention.

The above-mentioned exhaust duct 10 of the present invention is provided with an exhaust filter 102 at its air outlet 101 to filter impurities in the air (the impurities include peculiar smell and harmful gas).

The above-mentioned air inlet duct 20 of the present invention is provided with an air inlet filter 202 at its air inlet 201 to filter impurities in the air (the impurities include peculiar smell and harmful gases).

With the active window-type energy conversion and ventilation device A composed of the above components, when the indoor air is discharged from the exhaust duct 10, the indoor air will first be filtered by the exhaust filter 102 of the exhaust outlet 101, and then pass through the air. The pre-cooling heat exchanger 41 performs heat exchange, and converts the energy of the pre-cooling effect through the air to obtain the first temperature drop, and the circulating water in the air pre-cooling heat exchanger 41 flows out from its water outlet 411, Then spray from the water spray head L11 on the water evaporator 42, through the filtration and evaporation of the water evaporator 42, it will produce water evaporation and heat absorption effect with the passing air, so as to transfer the sensible heat in the air and make the air Obtain the second cooling, while the circulating water sent from the water evaporator 42 is also cooled, and then sent to the indoor water heat exchanger 44 by means of the water pump 45, and the air passing through the water evaporator 42 is When flowing through the outdoor side water heat exchanger 43 and performing heat exchange, although the air obtains heat from the indoor side water heat exchanger 44, the moisture obtained in the water evaporator 42 will be available in the condenser 34. During the heat exchange process, the conversion of damp heat is carried out again, so the outdoor side water heat exchanger 43 can remove the heat brought by the indoor side water heat exchanger 44, and the temperature of the air discharged outside is much higher. The temperature of the air directly discharged from the traditional air conditioner to the outside through the condenser is low, thereby reducing the thermal pollution of the waste heat to the environment; Circulating water, the circulating water sent by the water evaporator 42, the water temperature of the circulating water is close to the dew point temperature of the indoor air, so that the intake air passes through the indoor water heat exchanger 44 for precooling and cooling, so when the intake air When passing through the evaporator 32, the heat load of the air-conditioning unit 3 has been reduced, so its operating efficiency can be enhanced to supply the low-temperature and fresh air needed indoors, so that the operation of the air-conditioning unit 3 can be more efficient according to the needs of the room. The active way (when the room temperature is higher than the preset temperature, the air-conditioning unit 3 starts to operate, and when the temperature is lower than the preset temperature, the air-conditioning unit 3 stops operating) achieves energy saving and reduces waste heat emission pollution.

As for the refrigerant cycle of the air conditioner unit 3, it is first sent by the compressor 31 to the condenser 34 through the pipeline for heat exchange with the exhaust gas for condensation and heat release, then flows through the refrigerant flow controller 33, and then flows to the The evaporator 32 performs evaporative and heat-absorbing heat exchange with the intake air, so that the intake air temperature can be adjusted according to the needs of the room to supply the cold air required by the room, and the refrigerant flowing out of the evaporator 32 flows back through the pipeline. The air conditioner unit 3 is used to complete a refrigerant cycle.

To sum up, the present invention is particularly suitable for use environments with a compressor as a power source. With the present invention, the air discharged from the exhaust duct is firstly pre-cooled by the water circulation heat exchange unit, evaporated, and After the heat exchange function, energy conversion and ventilation effects are produced, so that the circulating water of the water circulation heat exchange unit, when entering the water heat exchanger on the indoor side, is closer to the dew point temperature of the indoor air, so as to reduce the temperature of the air conditioner. The heat load of the unit enhances its operating efficiency, and then makes the operation of the air conditioning unit more active to achieve energy saving and avoid heat emission pollution.

The above description is only illustrative of the present invention, rather than restrictive. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims, but All will fall within the protection scope of the present invention.

Claims (4)

1. An active window-type energy conversion and ventilation device, characterized in that: at least including a row of air ducts, an air inlet duct, an air conditioning unit, a water circulation heat exchange unit and a controller, the air exhaust duct An outdoor fan motor is provided, and an indoor fan motor is arranged in the air inlet duct, and the components of the air conditioning unit and the water circulation heat exchange unit are arranged in the air exhaust duct and the air inlet duct, and are controlled by the controller , the air conditioning unit includes a compressor, an evaporator, a refrigerant flow controller and a condenser, and the water cycle heat exchange unit includes an air precooling heat exchanger, a water evaporator, an outdoor water heat exchanger, An indoor water heat exchanger and a water pump, wherein: The outdoor side fan motor is used to send the indoor air out of the air outlet through the air outlet, and is installed on one side of the air outlet; The indoor side fan motor is used to send outdoor air into the room from the air inlet, and is installed on one side of the air inlet; The compressor is the power source for the refrigerant transmission of the air conditioning unit; The evaporator is arranged in the air inlet channel, and performs heat-absorbing heat exchange on the passing air; The refrigerant flow controller controls the flow of the refrigerant; The condenser is arranged in the air exhaust channel, and performs heat exchange for exhaust heat passing through; The air pre-cooling heat exchanger is a pre-cooling device composed of a coil, installed in the exhaust duct near the indoor air outlet, the air pre-cooling heat exchanger is composed of a coil, its The water outlet end is connected to at least one first connecting pipe, and the end section of the first connecting pipe is provided with at least one water spray head, and the water inlet end of the coil is connected to a second connecting pipe, and the second connecting pipe is Connect with the water outlet of the outdoor side water heat exchanger; The water evaporator is a water mist refrigeration device that produces water evaporation and heat absorption effect. It is arranged in the air exhaust duct and adjacent to the air pre-cooling heat exchanger. The upper end of the water evaporator receives the water sprayed by the water spray head water, and produce water evaporation heat absorption effect with the passing air to remove impurities in the passing air and transfer sensible heat in the air. The lower end of the water evaporator is provided with a water collecting pan and a water outlet. The end is connected to a third connecting pipe, and the third connecting pipe is connected to the water inlet end of the indoor water heat exchanger. The third connecting pipe is provided with a water pump for pushing circulating water to circulate; The outdoor side water heat exchanger is arranged on the other side of the exhaust duct, and is adjacent to the condenser. The water inlet end of the outdoor side water heat exchanger is connected with a fourth connecting pipe to receive the indoor side water heat exchanger. The circulating water sent by the water heat exchanger, and the water outlet end of the outdoor water heat exchanger sends its outlet water to the air precooling heat exchanger through the second connecting pipe; The indoor water heat exchanger is arranged on one side of the air inlet channel and adjacent to the evaporator, and the water inlet end of the indoor water heat exchanger is connected to the third connecting pipe to receive the water evaporated from the water. The circulating water sent by the water heater, and the water outlet end of the indoor water heat exchanger sends its outlet water to the outdoor water heat exchanger through the fourth connecting pipe; The controller controls the opening and closing of the compressor, the outdoor fan motor, the indoor fan motor and the water pump. 2. The active window-type energy conversion and ventilation device according to claim 1, characterized in that: the exhaust outlet of the exhaust duct is provided with an exhaust filter to filter impurities in the air. 3. The active window type energy conversion and ventilation device according to claim 1, characterized in that: the air inlet of the air inlet is provided with an air inlet filter to filter impurities in the air. 4. The active window-type energy conversion and ventilation device according to claim 1, characterized in that: the water collecting pan is connected to a water supply pipe to supplement the water required for circulation.