CN107178841B - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN107178841B CN107178841B CN201610135143.2A CN201610135143A CN107178841B CN 107178841 B CN107178841 B CN 107178841B CN 201610135143 A CN201610135143 A CN 201610135143A CN 107178841 B CN107178841 B CN 107178841B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1417—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with liquid hygroscopic desiccants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/60—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by adding oxygen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1458—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
- F24F2003/1464—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators using rotating regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1024—Rotary wheel combined with a humidifier
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1028—Rotary wheel combined with a spraying device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention relates to an air conditioning system which comprises an air inlet, a plurality of heat exchange tubes, and a mixing cavity and an exhaust cavity which are arranged at intervals. Wherein, the mixing cavity is provided with an air supply outlet, one end of the heat exchange tube is connected with the air inlet, and the other end of the heat exchange tube penetrates through the exhaust cavity and extends into the mixing cavity. The side part of the mixing cavity is also provided with an air return inlet, the side wall of the exhaust cavity is provided with an exhaust inlet, and the air return inlet and the exhaust inlet are opposite to the tube body of the heat exchange tube. Outdoor fresh air enters from the air inlet and reaches the mixing cavity through the heat exchange tube. The indoor return air passes through the outer wall of the heat exchange tube, is mixed with outdoor fresh air and enters the room through the air supply outlet. Indoor exhaust air enters the exhaust cavity from the exhaust air inlet, passes through the outer wall of the heat exchange tube and is exhausted outwards from the exhaust cavity. Compared with the prior art, in the operation process of the air conditioning system, indoor return air and indoor exhaust air need to pass through a plurality of heat exchange tubes firstly and enter the room after being subjected to heat and cold exchange with outdoor fresh air, so that the energy consumption of the air conditioning system can be reduced.
Description
Technical Field
The present disclosure relates to air conditioners, and particularly to an air conditioning system.
Background
In daily life or industrial application, in modern life, air conditioners are widely used in various occasions to meet the requirements of various lives and works.
However, due to the frequent occurrence of haze weather, the influence on health is a great concern, and the air quality requirements of indoor working environment and living residence are also continuously improved. With the development of economy, the tension of energy supply and the influence of greenhouse effect, a series of energy-saving and environment-friendly policies and the accelerated popularization thereof are formulated by the country, and the awareness of people on energy conservation and environment protection is improved. Moreover, with the development of economy, the living standard of people is improved, and the high air quality requirement is put forward by paying attention to the self health.
However, in the prior art, the conventional air conditioning system consumes more energy, and some of the indoor return air is discharged from the air conditioning system, so that the air conditioning system needs to cool or heat the outdoor fresh air entering the air conditioner, which causes energy waste. In addition, the traditional air conditioning system only processes the temperature of the air, for example, in summer, the air is low in humidity and dry in air and poor in comfort after being cooled by the traditional air conditioner, and in winter, the air is dry and poor in comfort after being heated by the traditional air conditioner and has no humidification function.
Therefore, how to reduce the energy consumption of the air conditioning system, and how to process the humidity of the air and ensure the comfort of the indoor air is the problem to be solved by the invention.
Disclosure of Invention
The invention aims to provide an air conditioning system which reduces energy consumption of the air conditioning system, can process the humidity of air and ensures the comfort of indoor air.
In order to solve the technical problem, the invention provides an air conditioning system, which comprises an air inlet, N heat exchange tubes, and a mixing cavity and an exhaust cavity which are arranged at intervals, wherein N is a natural number, and an air supply outlet is formed in the mixing cavity;
one end of the heat exchange tube is connected with the air inlet, the other end of the heat exchange tube penetrates through the air exhaust cavity and extends into the mixing cavity, the side part of the mixing cavity is also provided with an air return opening, the side wall of the air exhaust cavity is provided with an air exhaust inlet, and the air return opening and the air exhaust inlet are both over against the tube body of the heat exchange tube;
outdoor fresh air enters from the air inlet and reaches the mixing cavity through the heat exchange tube;
indoor return air enters the mixing cavity from the return air inlet, passes through the outer wall of the heat exchange tube, is mixed with outdoor fresh air and enters the room through the air supply outlet;
indoor exhaust air enters the exhaust cavity from the exhaust air inlet, passes through the outer wall of the heat exchange tube and is exhausted outwards from the exhaust cavity.
Compared with the prior art, in the operation process of the air conditioning system, indoor return air and indoor exhaust air flowing out of the return air inlet and the exhaust air inlet respectively enter the mixing cavity and the exhaust air cavity through the plurality of heat exchange tubes, and in the practical application process, the indoor return air and the indoor exhaust air have certain temperature difference with outdoor fresh air, so that when the outdoor fresh air is introduced into the heat exchange tubes, and the outdoor fresh air has temperature difference with the indoor return air and the indoor exhaust air, the outdoor fresh air can generate cold and heat exchange with the indoor exhaust air and the indoor return air by virtue of the tube walls of the heat exchange tubes, the temperature of the outdoor fresh air entering the mixing cavity can be increased or reduced, the temperature change of the indoor return air after mixing is reduced when the outdoor fresh air and the outdoor return air in the mixing cavity are mixed, and the energy consumption of the air conditioning system is reduced.
Furthermore, the mixing cavity comprises an evaporation chamber for adjusting the indoor return air temperature and a mixing chamber for mixing the indoor return air subjected to temperature adjustment, the return air inlet is positioned on the side wall of the evaporation chamber, the evaporation chamber is communicated with the mixing chamber through a connecting port, and the connecting port is opposite to the return air inlet; the heat exchange tube penetrates through the evaporation chamber, and at least one part of the heat exchange tube is positioned between the air supply outlet and the air return inlet. Because the mixing chamber contains evaporating chamber and mixing chamber, and the heat exchange tube runs through the evaporating chamber to at least partly be located between supply-air outlet and the return air inlet, thereby make indoor return air through the heat exchange tube temperature when getting into the evaporating chamber promote or reduce, enlarged the difference in temperature of indoor return air and the inside temperature of evaporating chamber, and then can promote the heat exchange efficiency between indoor return air and the evaporating chamber, the effectual energy consumption that has reduced.
Furthermore, the air exhaust cavity also comprises a heat exchange chamber for adjusting the indoor return air temperature at the position where the heat exchange tube passes after the air exhaust inlet, and an air exhaust outlet is arranged on the air exhaust cavity; the heat exchange tube penetrates through the heat exchange chamber, and at least one part of the heat exchange tube is positioned between the air exhaust outlet and the air exhaust inlet. When outdoor exhaust air enters the exhaust cavity from the exhaust air inlet through the heat exchange tube, the outdoor fresh air in the heat exchange tube is subjected to cold and heat exchange with the indoor exhaust air through the tube wall of the heat exchange tube, so that the temperature of the outdoor fresh air can be effectively improved or reduced by utilizing the indoor exhaust air, and energy waste caused by the fact that the indoor exhaust air is exhausted outdoors from the exhaust air outlet can be reduced.
Furthermore, the air conditioning system also comprises an air humidity processing device, a compressor, a four-way valve, a main control device electrically connected with the air humidity processing device, an air inlet channel from the air inlet to the air outlet of the heat exchange tube, and an air outlet channel from the air outlet of the air humidity processing device, wherein the heat exchange tube is connected with the air inlet through the air inlet channel; the exhaust cavity is connected with the exhaust outlet through the exhaust channel; the air inlet part and the air outlet part of the air humidity processing device are respectively positioned in the air inlet channel and the air outlet channel; the main control equipment dehumidifies or humidifies outdoor fresh air entering the air inlet channel through the air humidity processing device. Because air conditioning system still contains air humidity processing apparatus to the air humidity processing apparatus who is located inlet channel can dehumidify or the humidification to the outdoor new trend that gets into in the heat transfer pipe, can satisfy the requirement of travelling comfort with the humidity of ensureing outdoor new trend.
Further, the air humidity treatment device comprises a solution humidity treatment device; the solution humidity treatment device comprises a solution humidity treatment component, a solution regeneration component, a solution loop and a regeneration loop, wherein the solution loop and the regeneration loop are connected with the solution humidity treatment component and the solution regeneration component; the humidity processing assembly comprises a first nozzle positioned in the air inlet channel, a solution collecting tank and a regeneration pump arranged in the regeneration loop; the solution regeneration assembly comprises a second nozzle and a solution regeneration tank located within the exhaust passage, the solution pump disposed within the solution circuit; the first nozzle, the second nozzle, the regeneration pump and the solution pump are all electrically connected with the main control equipment; the first nozzle releases a solution to carry out humidity treatment on the outdoor fresh air after being opened by the main control equipment, and the solution flows into the solution collecting tank after carrying out humidity treatment on the outdoor fresh air; the solution pump sends the solution in the solution collection tank to the solution regeneration assembly through the regeneration loop after being turned on by the main control device; the second nozzle releases the solution to carry out humidity treatment on indoor exhaust air after being opened by the main control equipment, and the solution flows into the solution regeneration tank to form regeneration solution after the indoor exhaust air is treated; and after being opened by the main control equipment, the regeneration pump sends the regeneration solution in the solution regeneration tank into the solution humidity treatment component through the solution loop.
Further, the solution humidity processing device also comprises a solution cooler and a solution heater; wherein the solution cooler is connected with the solution loop, and the solution heater is connected with the regeneration loop; the compressor and the four-way valve are electrically connected with the main control equipment. The solution cooler and the solution heater effectively utilize the indoor exhaust energy when controlling the concentration and the temperature of the solution, thereby further reducing the energy consumption of the air conditioning system.
Further, the air humidity processing device comprises a rotary wheel humidity processing device; the rotary wheel humidity processing device comprises a rotary wheel and a rotary wheel fan which is electrically connected with the main control equipment; wherein the intake passage is connected to the exhaust passage; a portion of the runner is located in the intake passage and another portion is located in the exhaust passage; the air inlet channel and the air outlet channel are also provided with sealing pieces used for separating the air inlet channel and the air outlet channel; the main control equipment drives the rotating wheel to rotate, and the rotating wheel dehumidifies the outdoor fresh air when rotating. Thereby in the practical application in-process, when having hygroscopic material on the runner, at runner pivoted in-process, in summer, hygroscopic material on the accessible runner absorbs the moisture of outdoor new trend, reaches the effect to outdoor new trend dehumidification, and in winter, hygroscopic material on the accessible runner absorbs the moisture in the indoor air exhaust, and in the pivoted process, the moisture of the moisture absorption on the runner is absorbed by outdoor new trend to reach the effect to outdoor new trend humidification.
The air conditioning system also comprises an oxygen generating device which is electrically connected with the main control device, and the oxygen generating device is positioned on the air inlet channel between the air inlet and the heat exchange tube; the oxygen generating equipment supplements negative oxygen ions or oxygen to outdoor fresh air entering the air inlet channel after being opened by the main control equipment.
Furthermore, at least two rows of heat exchange tubes are formed on the N heat exchange tubes in the horizontal direction; wherein, the positions of two adjacent rows of heat exchange tubes in the height direction are staggered. Because the positions of the two adjacent rows of heat exchange tubes in the height direction are staggered, the indoor return air and the indoor exhaust air can be divided for many times when passing through the heat exchange tubes, and the indoor return air and the indoor exhaust air can be contacted with the heat exchange tubes for many times, so that the heat exchange efficiency is improved, and the energy consumption of an air conditioning system is reduced.
Further, the length of the heat exchange tube is greater than the distance between two ends of the heat exchange tube. Because the length of the heat exchange tube can be larger than the distance between the two ends of the heat exchange tube, the contact area between the heat exchange tube and indoor return air and indoor exhaust air is increased, the heat exchange efficiency can be further improved, and the energy consumption is reduced.
Furthermore, one end of the heat exchange tube, which is connected with the air inlet, is provided with a connecting tube sleeve, one end of the heat exchange tube, which is connected with the mixing cavity, is provided with a fixed tube sleeve, and a sealed pipeline is connected with the connecting tube sleeve and the fixed tube sleeve; the connecting pipe sleeve and the fixed pipe sleeve are respectively provided with M shaft holes with the same number for inserting the heat exchange pipes, wherein M is a natural number; the heat exchange tube is positioned in a closed space formed by the connecting tube sleeve, the fixing tube sleeve and the sealed pipeline; the side wall of the sealed pipeline is also provided with a first opening, the first opening is connected with the air return inlet and the air exhaust inlet through a sealing connecting piece, and the other corresponding side is provided with a second opening. Therefore, the heat exchange pipe is positioned in the closed space formed by the connecting pipe sleeve, the fixing pipe sleeve and the sealing pipeline, so that indoor return air and indoor exhaust air can be fully contacted and cut with the heat exchange pipe, the heat exchange efficiency is greatly improved, the energy consumption of an air conditioning system is further reduced, and the energy-saving effect is achieved.
Drawings
Fig. 1 is a schematic structural view of an air conditioning system according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a heat exchange tube according to a first embodiment of the present invention;
FIG. 3 is a top view of the rotor of the first embodiment of the present invention;
FIG. 4 is a schematic structural view of a rotor according to a first embodiment of the present invention;
FIG. 5 is a schematic structural view of a heat exchange tube according to a second embodiment of the present invention;
FIG. 6 is a schematic view of the assembly of a heat exchange tube according to a second embodiment of the present invention;
FIG. 7 is a schematic structural view of a connecting pipe according to a second embodiment of the present invention;
fig. 8 is a schematic structural view of an air conditioning system according to a second embodiment of the present invention;
fig. 9 is a schematic structural view of a solution humidity processing apparatus according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to an air conditioning system, as shown in fig. 1, the air conditioning system includes an air inlet 12, a plurality of heat exchange pipes 10, and a mixing chamber 16 and an air exhaust chamber 17 arranged at intervals, wherein the mixing chamber 16 is opened with an air supply outlet 11.
While only 4 heat exchange tubes 10 are illustrated in this embodiment, as shown in fig. 1, the heat exchange tubes 10 are connected at one end to the inlet port 12 and at the other end through the exhaust chamber 17 and into the mixing chamber 16. And the side of the mixing cavity 16 is also provided with an air return opening 13, the side wall of the exhaust cavity 17 is provided with an exhaust inlet 14, and the air return opening 13 and the exhaust inlet 14 are opposite to the tube body of the heat exchange tube 10.
In practical application, when the air conditioning system is in operation, fresh outdoor air enters from the air inlet 12 and reaches the mixing chamber 16 through the heat exchange tube 10. And the indoor return air enters the mixing cavity 16 from the return air inlet 13, passes through the outer wall of the heat exchange tube 10, is mixed with the outdoor fresh air and enters the indoor through the air supply outlet 11. Accordingly, indoor exhaust air enters the exhaust chamber 17 from the exhaust air inlet 14, passes through the outer wall of the heat exchange pipe 10 and is discharged from the exhaust chamber 17 to the outside.
According to the above, in the operation process of the air conditioning system, the indoor return air and the indoor exhaust air flowing out from the return air inlet 13 and the exhaust air inlet 14 need to pass through the plurality of heat exchange tubes 10 before entering the mixing cavity 16 and the exhaust air cavity 17 respectively, and in the practical application process, the indoor return air and the indoor exhaust air have a certain temperature difference with the outdoor fresh air, so that the outdoor fresh air is introduced into the heat exchange tubes 10 and has a temperature difference with the indoor return air and the indoor exhaust air, so that the outdoor fresh air can exchange heat with the indoor exhaust air and the indoor return air by means of the tube walls of the heat exchange tubes 10, the temperature of the outdoor fresh air entering the mixing cavity 16 can be increased or decreased, and when the outdoor fresh air and the outdoor return air in the mixing cavity 16 are mixed, the temperature change of the mixed indoor return air is reduced, and the energy consumption of the air conditioning system is reduced.
Specifically, in practical applications, as shown in fig. 1, the air conditioning system includes a loop formed by connecting a compressor 1, a four-way valve 5, a heat exchanger 2, a throttle valve 3, and an evaporator 4 in sequence. The air conditioning system also comprises an air path system consisting of a blower 7 and an exhaust fan 6, wherein the throttle valve 3, the compressor 1 and the four-way valve 5 are all electrically connected with the main control equipment.
The air conditioning system can change the flow direction of the heat transfer agent in the loop by reversing the four-way valve 5, thereby obtaining the effect of cooling or heating. In the present embodiment, the heat exchanger 2 and the exhaust fan are located in the exhaust chamber 17, the evaporator 4 and the blower 7 are located in the mixing chamber 16, the blower 7 can introduce indoor return air, in which indoor return air and indoor fresh air are mixed, into the room when the air conditioning system is in operation, and the exhaust fan can exhaust indoor exhaust air to the outside.
In the present embodiment, as shown in fig. 1, the mixing chamber 16 of the air conditioning system further includes an evaporation chamber 16-1 for adjusting the temperature of the indoor return air and a mixing chamber 16-2 for mixing the temperature-adjusted indoor return air, the return air inlet 13 is located on the side wall of the evaporation chamber 16-1, the evaporation chamber 16-1 and the mixing chamber 16-2 communicate with each other through a connection port 18, and the connection port 18 faces the return air inlet 13. Wherein, the heat exchange tube 10 penetrates the evaporation chamber 16-1 and at least a part of the heat exchange tube 10 is positioned between the air supply outlet 11 and the air return inlet 13.
Therefore, the mixing cavity 16 comprises the evaporation chamber 16-1 and the mixing chamber 16-2, the heat exchange tube 10 penetrates through the evaporation chamber 16-1, and at least one part of the heat exchange tube is positioned between the air supply opening 11 and the air return opening 13, so that the temperature of indoor return air is increased or reduced when the indoor return air enters the evaporation chamber 16-1 through the heat exchange tube 10, the temperature difference between the indoor return air and the internal temperature of the evaporation chamber 16-1 is enlarged, the heat exchange efficiency between the indoor return air and the evaporation chamber 16-1 can be improved, and the energy consumption is further reduced.
In the present embodiment, as shown in fig. 1, the evaporator 4 is located in the evaporation chamber 16-1, and the blower 7 is located in the mixing chamber 16-2.
In the present embodiment, as shown in fig. 1, the air discharge chamber 17 of the air conditioning system further includes a heat exchange chamber for adjusting the temperature of the return air in the room, in the place where the heat exchange pipe 10 passes after the air discharge inlet 14, and the air discharge chamber 17 is provided with an air discharge outlet 15. Wherein the heat exchange tube 10 penetrates through the heat exchange chamber and at least a part of the heat exchange tube 10 is positioned between the exhaust air outlet 15 and the exhaust air inlet 14.
Therefore, when outdoor exhaust air enters the exhaust cavity 17 from the exhaust air inlet 14 through the heat exchange tube 10, the outdoor fresh air inside the heat exchange tube 10 generates heat and cold exchange with the indoor exhaust air through the tube wall of the heat exchange tube 10, so that the temperature of the outdoor fresh air can be effectively increased or reduced by utilizing the indoor exhaust air, and energy waste caused by the fact that the indoor exhaust air is exhausted outdoors from the exhaust air outlet 15 can be reduced.
Further, in the present embodiment, the plurality of heat exchange tubes 10 form at least two rows of the heat exchange tubes 10 in the horizontal direction. While in the present embodiment, only 8 heat exchange tubes 10 are illustrated as shown in fig. 2, 8 heat exchange tubes 10 form four rows of heat exchange tubes 10 in the horizontal direction as shown in fig. 2. Wherein, the positions of two adjacent rows of heat exchange tubes 10 in the height direction are staggered.
Therefore, the positions of the two adjacent rows of heat exchange tubes 10 in the height direction are staggered mutually, so that the heat exchange tubes 10 are alternately distributed in space, indoor return air and indoor exhaust air can be divided for many times when passing through the heat exchange tubes 10, the indoor return air and the indoor exhaust air can be contacted with the heat exchange tubes 10 for many times, outdoor fresh air in the heat exchange tubes 10 is in cold and heat exchange with the indoor return air through the tube walls of the heat exchange tubes 10, the heat exchange efficiency is improved, and the energy consumption of an air conditioning system is reduced.
It should be noted that, in the present embodiment, the heat exchange tube 10 is a straight tube, and the heat exchange tubes 10 may be arranged in parallel to each other and distributed in space.
In addition, in this embodiment, as shown in fig. 1, the air conditioning system further includes an air humidity processing device, a compressor 1, a four-way valve 5, a main control device (not labeled in the figure) electrically connected to the air humidity processing device, an air intake channel from the air inlet 12 to the air outlet of the heat exchange pipe 10, and an air exhaust channel from the air exhaust inlet 14 to the air outlet of the air humidity processing device, wherein, as shown in fig. 1, the heat exchange pipe 10 is connected to the air inlet 12 through the air intake channel. The exhaust chamber 17 is connected to the exhaust outlet 15 through an exhaust passage.
Wherein, the air inlet part and the air outlet part of the air humidity processing device are respectively positioned in the air inlet channel and the air outlet channel. The main control equipment dehumidifies or humidifies outdoor fresh air entering the air inlet channel through the air humidity processing device.
Therefore, the air conditioning system further comprises an air humidity processing device, and the air humidity processing device positioned in the air inlet channel can dehumidify or humidify the outdoor fresh air entering the heat exchange tube 10, so that the humidity of the outdoor fresh air can meet the requirement of comfort.
As shown in fig. 1, 3, and 4, in the present embodiment, the air humidity processing apparatus further includes a wheel humidity processing apparatus 19.
The wheel humidity processing device 19 includes a wheel 191 and a wheel fan (not labeled) electrically connected to the main control device. Also, the intake passage is connected to the exhaust passage. A portion of the runner 191 is located in the intake passage and another portion is located in the exhaust passage. And a sealing member for separating the air inlet passage and the exhaust passage is arranged in the air inlet passage and the exhaust passage. The main control device drives the rotary fan to drive the rotary wheel 191 to rotate, and the rotary wheel 191 dehumidifies or dehumidifies the fresh outdoor air when rotating.
Therefore, in the process of practical application, hygroscopic material has been attached to the runner, therefore, in summer, the humidity of outdoor new trend is higher, when outdoor new trend passes through inlet channel and gets into indoorly, the moisture in the outdoor new trend can be absorbed to the runner, thereby reduce the humidity behind outdoor new trend gets into indoorly, because runner humidity processing apparatus 19 still contains and drives runner pivoted runner fan, thereby make under runner fan's rotation effect, the part that adsorbs on the runner has moisture is when passing through exhaust passage, moisture on with the runner is taken out to outdoor by indoor exhaust, thereby realized dehumidifying outdoor new trend. In winter, because the indoor exhaust air passes through the heat exchanger, the temperature is lower, the humidity is higher, when the indoor exhaust air passes through the exhaust channel, the rotating wheel can absorb moisture in the indoor exhaust air, and under the rotating action of the rotating wheel fan, the moisture absorbed on the rotating wheel is absorbed by the outdoor fresh air when the part of the rotating wheel absorbing moisture passes through the air inlet channel, so that the humidification of the outdoor fresh air is realized.
It should be noted that the rotating wheel includes a plurality of blades made of moisture-absorbing material, and the blades are semicircular, but in this embodiment, only four blades are exemplified, as shown in fig. 4.
In addition, in the present embodiment, as shown in fig. 1, the air conditioning system further includes an oxygen generating device 9 electrically connected to the main control device, and the oxygen generating device 9 is located on the air inlet channel between the air inlet 12 and the heat exchange tube 10. Wherein, the oxygen generating equipment 9 supplements negative oxygen ions or oxygen to outdoor fresh air entering the air inlet channel after being opened by the main control equipment.
Therefore, the oxygen generating device 9 can supplement negative oxygen ions or oxygen to outdoor fresh air to improve the indoor negative oxygen ion row amount and oxygen content so as to improve the indoor air quality and the indoor comfort level. In the present embodiment, the oxygen generation facility 9 is a negative oxygen ion machine.
A second embodiment of the present invention is directed to an air conditioning system, which is a further improvement of the first embodiment in that, in the present embodiment, as shown in fig. 5, the length of the heat exchange pipe 10 may also be greater than the distance between both ends of the heat exchange pipe 10.
Therefore, the length of the heat exchange tube 10 can be larger than the distance between the two ends of the heat exchange tube 10, so that the contact area between the heat exchange tube 10 and indoor return air and indoor exhaust air is increased, the heat exchange efficiency can be further improved, and the energy consumption is reduced.
Specifically, the partial pipe on the heat exchange pipe 10 may be spiral, wavy, bent, etc., and of course, in this embodiment, the heat exchange pipe 10 may have other shapes besides the spiral, which is not specifically described in this embodiment.
Further, in the present embodiment, as shown in fig. 6, a connection pipe sleeve 21 is further disposed at one end of the heat exchange pipe 10 connected to the air inlet 12, a fixed pipe sleeve 22 is disposed at one end connected to the mixing chamber 16, and a sealing pipe 23 is disposed at one end connected to the connection pipe sleeve 21 and the fixed pipe sleeve 22.
In addition, the connection sleeve and the fixed sleeve are provided with a plurality of shaft holes 20 for inserting the heat exchange tubes 10, and in the present embodiment, only 8 shaft holes are described as an example as shown in fig. 7. Wherein the heat exchange pipe 10 is positioned in a closed space formed by the connection pipe sleeve 21, the fixing pipe sleeve 22 and the sealed pipe 23. The side wall of the sealed pipeline 23 is further provided with a first opening (not labeled in the figure), the first opening is connected with the air return opening 13 and the exhaust inlet 14 through a sealed connecting piece, and the other corresponding side is provided with a second opening (not labeled in the figure).
Therefore, as the heat exchange tube 10 is positioned in the closed space formed by the connecting tube sleeve 21, the fixing tube sleeve 22 and the sealing pipeline 23, indoor return air and indoor exhaust air can be fully contacted and cut with the heat exchange tube 10, the heat exchange efficiency is greatly improved, the energy consumption of the air conditioning system is further reduced, and the energy-saving effect is achieved.
In addition, in the present embodiment, as shown in fig. 8 and 9, the air humidity processing apparatus includes the solution humidity processing apparatus 8, and the solution humidity processing apparatus 8 includes the solution humidity processing module 8-1 and the solution regeneration module 8-2, and the solution circuit 8-2-3 and the regeneration circuit 8-1-3 connecting the solution humidity processing module 8-1 and the solution regeneration module 8-2.
As shown in FIG. 9, in the present embodiment, the humidity conditioning assembly includes a first nozzle 8-1-4 located in the intake passage, a solution collection tank 8-1-5, and a regeneration pump 8-1-2 disposed in the regeneration circuit 8-1-3. And the solution regeneration module 8-2 includes a second nozzle 8-2-4 and a solution regeneration tank 8-2-5 in the exhaust passage, and a solution pump 8-2-2 disposed in the solution circuit 8-2-3. The first nozzle 8-1-4, the second nozzle 8-2-4, the regenerative pump 8-1-2 and the solution pump 8-2-2 are all electrically connected with the main control equipment. Further, the first nozzles 8-1 to 4 and the second nozzles 8-2 to 4 each include a plurality of heads, but in the present embodiment, only 5 heads are illustrated.
The first nozzles 8-1-4 release the solution to carry out humidity treatment on the outdoor fresh air after being opened by the main control equipment, and the solution flows into the solution collecting tank 8-1-5 after the humidity treatment on the outdoor fresh air. The solution pump 8-2-2 sends the solution in the solution collection tank 8-1-5 to the solution regeneration assembly 8-2 through the regeneration loop 8-1-3 after being turned on by the main control device.
The second nozzle 8-2-4 releases the solution to carry out humidity treatment on the indoor exhaust air after being opened by the main control equipment, and the solution flows into the solution regeneration tank 8-2-5 to form regeneration solution after the indoor exhaust air is treated. The regeneration pump 8-1-2 sends the regeneration solution in the solution regeneration tank 8-2-5 into the solution humidity processing component 8-1 through the solution loop 8-2-3 after being opened by the main control equipment.
Through analysis, in summer, when the solution is in contact with indoor exhaust air, the temperature of the regenerated solution can be increased by absorbing the heat of the indoor exhaust air, and then when the outdoor fresh air is in contact, the temperature of the outdoor fresh air can be increased, so that the energy of the indoor exhaust air is effectively utilized, and the energy consumption of an air conditioning system can be further reduced. In winter, when the solution is in contact with indoor exhaust air, the temperature of the regenerated solution can be reduced through the indoor exhaust air, and then the outdoor fresh air can be cooled when the outdoor fresh air is in contact, so that the energy of the indoor exhaust air is effectively utilized, and the energy consumption of an air conditioning system can be further reduced.
In addition, in practical application, when outdoor fresh air enters the air inlet channel, the outdoor fresh air can be humidified or dehumidified through the concentration change of the solution, generally speaking, when the concentration of the regeneration solution is high, the dehumidification effect can be achieved on the moisture of the outdoor fresh air, and when the concentration of the regeneration solution is low, the moisture of the outdoor fresh air can be absorbed by the outdoor fresh air, so that the humidity of the outdoor fresh air is kept in a reasonable range.
In addition, in the present embodiment, as shown in fig. 9, in order to improve the control accuracy of the concentration and temperature of the regeneration solution and to ensure that the humidity of the fresh outdoor air is kept within a reasonable range, the solution humidity processing apparatus 8 further includes a solution cooler 8-1-1 and a solution heater 8-2-1. Wherein, the solution cooler 8-1-1 is connected with the solution loop 8-2-3, and the solution heater 8-2-1 is connected with the regeneration loop 8-1-3. In the air conditioning system, a compressor 1, a four-way valve 5, a solution cooler 8-1-1, a heat exchanger 2, a throttle valve 3, an evaporator 4 and a solution heater 8-2-1 are sequentially connected to form a circulation loop.
Analysis shows that in summer, the solution heater 8-2-1 can heat the solution by using the heat exchange agent absorbing heat in indoor return air, so that the concentration of the regenerated solution is changed, the regenerated solution can humidify or dehumidify outdoor fresh air conveniently, the solution cooler 8-1-1 can cool the regenerated solution by using the heat exchange agent after releasing heat, and the temperature of the regenerated solution is not too high, so that the energy consumption of the air conditioner is reduced. In winter, the solution heater 8-2-1 and the solution cooler 8-1-1 are opposite in function.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (6)
1. An air conditioning system characterized by: the heat exchanger comprises an air inlet, N heat exchange tubes, and a mixing cavity and an exhaust cavity which are arranged at intervals, wherein N is a natural number, and an air supply outlet is formed in the mixing cavity;
one end of the heat exchange tube is connected with the air inlet, the other end of the heat exchange tube penetrates through the air exhaust cavity and extends into the mixing cavity, the side part of the mixing cavity is also provided with an air return opening, the side wall of the air exhaust cavity is provided with an air exhaust inlet, and the air return opening and the air exhaust inlet are both over against the tube body of the heat exchange tube;
outdoor fresh air enters from the air inlet and reaches the mixing cavity through the heat exchange tube;
indoor return air enters the mixing cavity from the return air inlet, passes through the outer wall of the heat exchange tube, is mixed with outdoor fresh air and enters the room through the air supply outlet;
indoor exhaust air enters the exhaust cavity from the exhaust air inlet, passes through the outer wall of the heat exchange tube and is exhausted outwards from the exhaust cavity;
the mixing cavity comprises an evaporation chamber for adjusting the indoor return air temperature and a mixing chamber for mixing the indoor return air after temperature adjustment, the return air inlet is positioned on the side wall of the evaporation chamber, the evaporation chamber is communicated with the mixing chamber through a connecting port, and the connecting port is opposite to the return air inlet;
the heat exchange tube penetrates through the evaporation chamber, and at least one part of the heat exchange tube is positioned between the air supply outlet and the air return inlet;
the air exhaust cavity also comprises a heat exchange chamber for adjusting the indoor return air temperature at the position where the heat exchange tube passes through the rear air exhaust inlet, and an air exhaust outlet is arranged on the air exhaust cavity;
the heat exchange tube penetrates through the heat exchange chamber, and at least one part of the heat exchange tube is positioned between the air exhaust outlet and the air exhaust inlet;
the air conditioning system also comprises an air humidity processing device, a compressor, a four-way valve, a main control device electrically connected with the air humidity processing device, an air inlet channel from the air inlet to the air outlet of the heat exchange tube, and an air outlet channel from the air outlet to the air outlet of the air humidity processing device, wherein the heat exchange tube is connected with the air inlet through the air inlet channel; the exhaust cavity is connected with the exhaust outlet through the exhaust channel;
the air inlet part and the air outlet part of the air humidity processing device are respectively positioned in the air inlet channel and the air outlet channel; the main control equipment dehumidifies or humidifies outdoor fresh air entering the air inlet channel through the air humidity processing device;
the compressor and the four-way valve are both electrically connected with the main control equipment;
the air humidity treatment device comprises a solution humidity treatment device;
the solution humidity treatment device comprises a solution humidity treatment component, a solution regeneration component, a solution loop and a regeneration loop, wherein the solution loop and the regeneration loop are connected with the solution humidity treatment component and the solution regeneration component;
the solution humidity processing assembly comprises a first nozzle positioned in the air inlet channel, a solution collecting tank and a regeneration pump arranged in the regeneration loop; the solution regeneration assembly comprises a second nozzle and a solution regeneration tank positioned in the exhaust passage, and a solution pump arranged in the solution loop; the first nozzle, the second nozzle, the regeneration pump and the solution pump are all electrically connected with the main control equipment;
the first nozzle releases a solution to carry out humidity treatment on the outdoor fresh air after being opened by the main control equipment, and the solution flows into the solution collecting tank after carrying out humidity treatment on the outdoor fresh air; the solution pump sends the solution in the solution collection tank to the solution regeneration assembly through the regeneration loop after being turned on by the main control device;
the second nozzle releases the solution to carry out humidity treatment on indoor exhaust air after being opened by the main control equipment, and the solution flows into the solution regeneration tank to form regeneration solution after the indoor exhaust air is treated; and after being opened by the main control equipment, the regeneration pump sends the regeneration solution in the solution regeneration tank into the solution humidity treatment component through the solution loop.
2. The air conditioning system of claim 1, wherein: the solution humidity processing device also comprises a solution cooler and a solution heater;
wherein the solution cooler is connected with the solution loop, and the solution heater is connected with the regeneration loop.
3. The air conditioning system according to claim 1 or 2, characterized in that: the air humidity processing device comprises a rotary wheel humidity processing device;
the rotary wheel humidity processing device comprises a rotary wheel and a rotary wheel fan which is electrically connected with the main control equipment;
wherein the intake passage is connected to the exhaust passage; a portion of the runner is located in the intake passage and another portion is located in the exhaust passage; the air inlet channel and the air outlet channel are also provided with sealing pieces used for separating the air inlet channel and the air outlet channel;
the main control equipment drives the rotating wheel to rotate, and the rotating wheel dehumidifies or humidifies the outdoor fresh air when rotating.
4. The air conditioning system of claim 3, wherein: the air conditioning system also comprises an oxygen generating device which is electrically connected with the main control device, and the oxygen generating device is positioned on the air inlet channel between the air inlet and the heat exchange tube;
the oxygen generating equipment supplements negative oxygen ions or oxygen to outdoor fresh air entering the air inlet channel after being opened by the main control equipment.
5. The air conditioning system of claim 1, wherein: the N heat exchange tubes form at least two rows of heat exchange tubes in the horizontal direction, and the length of each heat exchange tube is greater than the distance between two ends of each heat exchange tube;
wherein, the positions of two adjacent rows of heat exchange tubes in the height direction are mutually staggered or parallel.
6. The air conditioning system of claim 1, wherein: a connecting pipe sleeve is arranged at one end of the heat exchange pipe, which is connected with the air inlet, a fixed pipe sleeve is arranged at one end of the heat exchange pipe, which is connected with the mixing cavity, and a sealed pipeline is connected with the connecting pipe sleeve and the fixed pipe sleeve;
the connecting pipe sleeve and the fixed pipe sleeve are respectively provided with M shaft holes with the same number for inserting the heat exchange pipes, wherein M is a natural number;
the heat exchange tube is positioned in a closed space formed by the connecting tube sleeve, the fixing tube sleeve and the sealed pipeline; the side wall of the sealed pipeline is also provided with a first opening, the first opening is connected with the air return inlet and the air exhaust inlet through a sealing connecting piece, and the other corresponding side is provided with a second opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610135143.2A CN107178841B (en) | 2016-03-10 | 2016-03-10 | Air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135143.2A CN107178841B (en) | 2016-03-10 | 2016-03-10 | Air conditioning system |
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| CN107178841A CN107178841A (en) | 2017-09-19 |
| CN107178841B true CN107178841B (en) | 2022-08-09 |
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| CN101699176A (en) * | 2009-10-30 | 2010-04-28 | 清华大学 | Air conditioning cabinet with sensible heat recovering function |
| CN102252378A (en) * | 2011-07-13 | 2011-11-23 | 上海克络蒂新能源科技有限公司 | Whole-house-type air conditioning fresh air handling unit |
| CN104359155A (en) * | 2014-11-06 | 2015-02-18 | 许昌许继晶锐科技有限公司 | Converter valve and valve hall combined heat exchange system |
| CN205403017U (en) * | 2016-03-10 | 2016-07-27 | 上海碳索能源环境服务有限公司 | Air conditioning system |
| GB201707623D0 (en) * | 2017-05-12 | 2017-06-28 | Airsource Ventilation Ltd | Remote heat transfer device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699176A (en) * | 2009-10-30 | 2010-04-28 | 清华大学 | Air conditioning cabinet with sensible heat recovering function |
| CN102252378A (en) * | 2011-07-13 | 2011-11-23 | 上海克络蒂新能源科技有限公司 | Whole-house-type air conditioning fresh air handling unit |
| CN104359155A (en) * | 2014-11-06 | 2015-02-18 | 许昌许继晶锐科技有限公司 | Converter valve and valve hall combined heat exchange system |
| CN205403017U (en) * | 2016-03-10 | 2016-07-27 | 上海碳索能源环境服务有限公司 | Air conditioning system |
| GB201707623D0 (en) * | 2017-05-12 | 2017-06-28 | Airsource Ventilation Ltd | Remote heat transfer device |
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