CN111536650A - Brand-new wind heat exchange system based on heat pipe and semiconductor technology - Google Patents
Brand-new wind heat exchange system based on heat pipe and semiconductor technology Download PDFInfo
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- CN111536650A CN111536650A CN202010539061.0A CN202010539061A CN111536650A CN 111536650 A CN111536650 A CN 111536650A CN 202010539061 A CN202010539061 A CN 202010539061A CN 111536650 A CN111536650 A CN 111536650A
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F13/28—Arrangement or mounting of filters
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
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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
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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Abstract
The invention relates to a wind-heat exchange system, in particular to a brand new wind-heat exchange system based on heat pipes and semiconductor technology, which comprises a wind-heat exchange device and a control system; the wind-heat exchange device comprises a fresh air adjusting device, an exhaust adjusting device, a semiconductor refrigerating device and a heat pipe heat exchange device which are arranged in the shell; the fresh air adjusting device comprises a fresh air filter screen, a fresh air channel, a fresh air fan and a fresh air filter screen support frame, the exhaust adjusting device comprises an exhaust filter screen, an exhaust channel, an exhaust fan and an exhaust filter screen support frame, the semiconductor refrigerating device comprises a semiconductor refrigerating sheet, an upper end heat sink and a lower end heat sink, the heat pipe heat exchanging device comprises a heat pipe heat exchanger and heat pipe fins, and the control system is electrically connected with the semiconductor refrigerating device, the fresh air adjusting device and the exhaust adjusting device; the invention can complete fresh air precooling or preheating and recooling or reheating by recovering the heat or cold quantity of the room, thereby reducing the indoor cold/heat load, reducing the total energy consumption of indoor refrigeration and heat supply and improving the working efficiency of the system.
Description
Technical Field
The invention relates to a wind-heat exchange system, in particular to a brand new wind-heat exchange system based on heat pipes and semiconductor technology, which can reduce energy consumption and keep temperature constant.
Background
With the improvement of the requirements of people on living quality, the air quality treatment is concerned, and especially in a plurality of places with large stream of people, such as hospitals, markets, cinemas, restaurants, meeting rooms, laboratories, gymnasiums, internet bars and the like, a fresh air system is needed to purify indoor air. The fresh air system mainly works by means of a heat exchanger, and the heat exchanger of the conventional fresh air system mainly comprises a plate-fin heat exchanger, a rotary wheel type heat exchanger, a heat pipe heat exchanger and the like.
The existing plate-fin total heat exchanger generally comprises partition plates, fins, seals and flow deflectors, wherein the fins, the flow deflectors and the seals are arranged between two adjacent partition plates to form an interlayer, the main internal structure of the plate-fin heat exchanger is a plate-fin heat exchanger, and different from a common plate-fin heat exchanger, the partition plates and the plate fins are made of thin paper made of special materials, have good heat transfer and moisture permeability, but have the defect of air impermeability, and can generate heat and moisture exchange when the humidity difference and the water vapor pressure difference exist on the two sides of air inlet and outlet so as to realize total heat recovery;
the prior rotary wheel type heat exchanger comprises a honeycomb heat storage wheel, a shell, a power driving mechanism, a sealing element and the like, realizes heat and humidity exchange of fresh air and exhaust air in a rotating process through a semicircle of the heat storage wheel and a wheel body, needs a power part, has high possibility of cross contamination of air, and is applied to temperature and humidity energy exchange of a ventilation system with high air quantity.
The existing heat pipe heat exchanger realizes heat exchange by utilizing an evaporation section and a condensation section, and gases passing through the evaporation section and the condensation section are mutually isolated, so that the heat pipe heat exchanger has no power component, has no cross contamination of the gases, and is suitable for energy exchange with large temperature difference. Compared with other types of heat exchangers, the heat pipe heat exchanger has the advantages of medium equipment cost, convenience in maintenance, small occupied space, flexibility in pipe connection, good freezing resistance and the like; however, for a fresh air system using a heat pipe heat exchanger, there is a limit of heat exchange, and when a large difference exists between the introduced fresh air temperature and the indoor temperature, the refrigeration system consumes more energy to maintain temperature balance, resulting in large fluctuation of the indoor temperature.
In general, the drawbacks of the current heat exchangers are represented by: 1) the heat exchange capacity of the heat pipe heat exchanger is limited, and when the indoor and outdoor temperature difference and the required ventilation volume are large, the fresh air entering the room is difficult to reach the required precooling and preheating temperature; 2) the temperature difference between the precooled and preheated fresh air and the indoor air is large, and after the fresh air and the indoor air are mixed, the indoor temperature fluctuation is large, so that a refrigerating system is required to consume more energy to refrigerate or heat the indoor air so as to increase the stability of the indoor temperature; 3) cross pollution exists between indoor exhaust air and fresh air of part of fresh air systems, and no humidity adjusting device exists; 4) the filter screen is complex in disassembly and assembly steps and difficult to disassemble, wash or replace; 5) the inlet and the outlet of the air duct face to the same direction, the circulating flow of indoor air is poor, and the problem of fresh air short circuit is easy to occur, namely outdoor fresh air is discharged without being sent to a required area or dirty air discharged indoors is sucked by a fresh air system; 6) when the whole fresh air heat exchanger adopts the wick type heat pipe, negative effects are easy to generate, namely, if the exhaust air temperature of the heat pipe is higher/lower than the fresh air temperature when the indoor refrigeration/heat supply is carried out, the positions of the evaporation section and the condensation section of the heat pipe are changed, and the opposite effects of the heat supply/refrigeration can be generated, particularly in summer and transition seasons.
Therefore, how to keep the indoor temperature stable while reducing the total energy consumption is the key to solve the problem.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a wind heat exchange system, and more particularly, to a new wind heat exchange system based on heat pipes and semiconductor technology, which can reduce energy consumption and keep temperature constant.
In order to achieve the purpose, the invention adopts the technical scheme that:
a brand new wind heat exchange system based on heat pipes and semiconductor technology is characterized in that the wind heat exchange system mainly comprises a wind heat exchange device and a control system;
the air-heat exchange device comprises a fresh air adjusting device, an exhaust adjusting device, a semiconductor refrigerating device and a heat pipe heat exchange device which are arranged in a shell;
the fresh air adjusting device mainly comprises a fresh air filter screen, a fresh air channel, a fresh air fan and a fresh air filter screen support frame, wherein the fresh air filter screen is installed on one side in the casing through the fresh air filter screen support frame;
the air exhaust adjusting device mainly comprises an air exhaust filter screen, an air exhaust channel, an air exhaust fan and an air exhaust filter screen support frame, wherein the air exhaust filter screen is arranged at the other side in the shell through the air exhaust filter screen support frame, and the air exhaust channel is arranged in a space formed by the air exhaust filter screen and the inner side of the shell;
the semiconductor refrigerating device mainly comprises a semiconductor refrigerating sheet, an upper end heat sink and a lower end heat sink, and is arranged beside the exhaust adjusting device;
the heat pipe heat exchange device mainly comprises a heat pipe heat exchanger and heat pipe fins and is arranged close to the side of the fresh air adjusting device;
the control system is electrically connected with the semiconductor refrigerating device, the fresh air adjusting device and the exhaust adjusting device through a circuit board and an electric wire.
Preferably, the wind-heat exchange device further comprises a humidifying device, wherein the humidifying device is a small-sized net type atomization humidifier and is installed on the top wall of the machine shell.
Preferably, the casing is formed into a cavity structure, the fresh air adjusting device and the exhaust air adjusting device are respectively installed on two sides of the inside of the casing, and the semiconductor refrigerating device and the heat pipe heat exchanging device are installed in the middle of the inside of the casing; meanwhile, a pipeline interface is arranged on the outer wall of one side of the machine shell, which is provided with the fresh air adjusting device, so as to be externally connected with a pipeline; an air inlet and outlet buffer chamber is arranged in one side where the air exhaust adjusting device is installed, so that the air inlet and outlet direction can be controlled in a buffer mode.
Preferably, the wind-heat exchange device further comprises a smoke alarm system, and the smoke alarm system is installed between the exhaust adjusting device and the semiconductor refrigerating device.
Preferably, the semiconductor refrigeration piece comprises a semiconductor refrigeration piece hot end and a semiconductor refrigeration piece cold end from top to bottom, and the upper end heat sink and the lower end heat sink are respectively arranged above and below the semiconductor refrigeration piece.
Preferably, the heat pipe heat exchanger comprises a heat pipe condensation section, a heat pipe heat insulation section and a heat pipe evaporation section from top to bottom, and the heat pipe fins are nested on the heat pipe heat exchanger.
Preferably, the fresh air filter screen and the air exhaust filter screen are respectively movably mounted on the fresh air filter screen support frame and the air exhaust filter screen support frame, and the fresh air filter screen and the air exhaust filter screen are staggered and mounted at different horizontal positions.
Preferably, the fresh air filter screen support frame and the exhaust filter screen support frame have the same structure and respectively mainly comprise an outer support, a filter screen fixing frame, a rotating wheel control device and an electromagnetic driving device; the outer support is formed into a cubic frame structure, the height of the outer support is matched with that of the machine shell, the outer support is fixedly arranged along the inner wall of the machine shell, and a clamping groove structure matched with the filter screen fixing frame to move up and down is arranged on the inner side of the outer support; the filter screen fixing frame is of a quadrangular frame structure, is arranged at the outer edge of the fresh air filter screen/the exhaust filter screen in a surrounding way, and is movably embedded in the clamping groove of the outer support; the rotating wheel control device is composed of a fixed column, a rotating gear, a rack and an electric controller, the fixed column is of a cylindrical structure fixedly installed in the middle of the side wall of the outer support, the rotating gear is axially and rotatably installed on the outer side of the fixed column through a bearing and is in electric drive connection with the controller, the rack is vertically installed along the side wall of the filter screen fixing frame, and the rotating gear is meshed and matched with the rack to push the rack to move up and down when rotating, so that the filter screen fixing frame and the fresh air filter screen/exhaust filter; the electromagnetic driving device comprises two permanent magnets, two electromagnets and an electromagnetic controller, and the permanent magnets are respectively arranged at the top wall of the outer filter screen fixing frame and the bottom surface of the outer filter screen fixing frame; the electromagnet consists of a soft iron core and an electric coil and is respectively arranged at the inner top wall of the outer bracket and the inner bottom surface of the outer bracket to form a movable adjusting structure that the electromagnets at the inner top wall and the inner bottom surface of the outer bracket are respectively magnetically attracted with the permanent magnets at the outer top wall and the outer bottom surface of the filter screen fixing frame, and the electromagnet is controlled by an electromagnetic controller to be magnetically attracted with the permanent magnets and drive the filter screen fixing frame to move up and down; thereby the up-and-down movement of the fresh air filter screen/the exhaust filter screen is controlled in an auxiliary way.
Preferably, the fresh air filter screen is of a multi-layer composite filter screen structure and is formed by compounding and superposing a HEPA high-efficiency filter screen, an active carbon adsorption filter screen and a cold catalyst filter screen; the exhaust filter screen is a single-layer filter layer, and the filter layer is polyester fiber filter paper.
Preferably, the pipeline interfaces arranged on the outer wall of the shell of the brand new wind heat exchange system are a fresh air inlet and an exhaust air outlet; the working method of the brand new wind heat exchange system is as follows:
1) after outdoor fresh air enters a fresh air channel from a fresh air inlet connected with a pipeline, the fresh air is subjected to impurity removal and filtration by a fresh air filter screen and then passes through a fresh air fan;
2) fresh air enters the heat pipe heat exchange device after passing through the fresh air fan, absorbs heat from the evaporation section of the heat pipe, and then the heat is transferred to the condensation section of the heat pipe to exchange heat with indoor exhaust air, so that fresh air precooling is completed;
3) the fresh air enters the semiconductor refrigerating device after being precooled, the heat of the precooled fresh air is further absorbed by the heat sink at the lower end, and the heat is transferred to the indoor air in the exhaust channel through the heat sink at the upper end of the hot end of the semiconductor refrigerating sheet, so that secondary recooling of the fresh air is completed;
4) the water in the cooled fresh air meets condensation and reduces the humidity, then the fresh air flow thermal resistance is reduced through the buffer chamber in sequence, and the fresh air enters the chamber from a fresh air outlet arranged at the lower end of the buffer chamber;
5) meanwhile, indoor exhaust air enters the shell from an exhaust air inlet arranged at the upper end of the buffer chamber, then enters the shell through the buffer chamber to reduce exhaust air flow heat resistance, then sequentially passes through an exhaust air filter screen, an upper end heat sink and a heat pipe condensation section, and finally is discharged out of the shell along a pipeline through an exhaust air outlet connected with the pipeline.
The invention has the beneficial effects that: the invention adopts the working mode of combining the semiconductor refrigerating device and the heat pipe heat exchange device, the whole structure is matched to carry out full heat exchange treatment, and the precooling or preheating, recooling or reheating of fresh air is completed by recovering the heat or cold of a room, so that the indoor cold/heat load is reduced, the total energy consumption of indoor refrigeration and heat supply is reduced, and the working efficiency of the system is improved; when air is introduced from the outdoor, the air is pre-cooled/preheated by the heat pipe heat exchange device and is re-cooled/reheated by the semiconductor refrigerating device, the temperature difference between the air and the indoor air is small, and after indoor exhaust air is mixed with treated fresh air, the temperature fluctuation of the indoor air is small, so that the high stability of the indoor temperature can be kept.
The air exhaust adjusting device and the fresh air adjusting device adopted by the invention enable indoor air exhaust and fresh air to have no cross pollution, the humidifying device adopts the small-sized net type atomizing humidifier to heat and humidify the fresh air, and the cold end of the semiconductor refrigerating sheet dehumidifies the fresh air; the adopted small-sized net type atomization humidifier utilizes ultrasonic waves to generate ultramicro water mist particles on the water surface, and has the advantages of no need of mechanical driving, no noise interference, no pollution, low energy consumption, high atomization efficiency, simple and convenient maintenance and the like.
The fresh air adjusting device and the fresh air filter screen and the air exhaust filter screen of the air exhaust adjusting device are respectively supported by the filter screen supporting frameThe support is arranged in the casing, and the filter screen forms a vertically moving structure under the driving action of electromagnetic force and the meshing power action of the gears and is arranged in the support frame, so that the disassembly, cleaning or replacement is facilitated, and the operation is simple and quick; the power driving structure taking the rotating wheel control device as a main part and the electromagnetic driving device as an auxiliary part can reinforce the installation of the filter screen and prevent the problems of insufficient suction force and the like caused by the blockage of the filter screen; because the fresh air channel is different from the air exhaust channel, the arranged fresh air outlet and the arranged air exhaust inlet face to different directions respectively, a ventilation mode of replacement ventilation is formed, the problem of fresh air short circuit is prevented, meanwhile, the circulating flow of indoor air is enhanced, and indoor CO is effectively reduced2And reducing the concentration of indoor pollutants, especially for tightly closed rooms, and having more obvious effect on enhancing the flow of indoor air; the fresh air fan and the exhaust fan can be variable frequency fans to control air supply and exhaust amount, when an air channel needs to be switched, the air channel can be switched by horizontally turning the fans by 180 degrees, and the fresh air refrigerating or heating function can be switched after the wind direction of the fans is switched; the smoke alarm system which is directly electrified is arranged in the air duct, so that the overall working safety of the smoke alarm system is improved, and the problem that the traditional independent smoke alarm which works by adopting a battery stops working due to the fact that the battery is not electrified is solved.
The invention can set the ventilation volume according to the indoor and outdoor temperature difference through the control system circuit board and select proper working condition to work, the heat pipe adopts gravity type heat pipe to prevent negative effect, namely if the exhaust temperature of the heat pipe is higher/lower than the fresh air temperature when the indoor refrigeration/heat supply is carried out, the positions of the evaporation section and the condensation section of the heat pipe are not changed, the opposite effect of the heat supply/refrigeration can not be generated, the high efficiency operation of the system is ensured, the comfort level of the room is maintained, therefore, the system can also keep the high efficiency and low energy consumption operation even in changeable environment.
Drawings
Fig. 1 is an external structural view of the present invention.
Fig. 2 is a perspective view of a three-dimensional structure according to a first embodiment of the present invention.
Fig. 3 is a flowchart of the first embodiment of the present invention.
Fig. 4 is a perspective view of a second embodiment of the present invention.
Fig. 5 is a flowchart of the operation of the second embodiment of the present invention.
Fig. 6 is a structural view of the fresh air/exhaust screen support frame of the present invention.
Fig. 7 is a schematic view of the structure of the fresh air/exhaust fan of the present invention.
Reference is made to the accompanying drawings in which: 1-machine shell, 2-fresh air adjusting device, 3-exhaust air adjusting device, 4-semiconductor refrigerating device, 5-heat pipe heat exchanging device, 6-control system, 11-buffer chamber, 12-pipeline interface, 13-fresh air inlet, 14-fresh air outlet, 15-exhaust air inlet, 16-exhaust air outlet, 21-fresh air filter screen, 22-fresh air channel, 23-fresh air fan, 24-fresh air filter screen support frame, 31-exhaust air filter screen, 32-exhaust air channel, 33-exhaust air fan, 34-exhaust air filter screen support frame, 41-semiconductor refrigerating sheet, 42-upper end heat sink, 43-lower end heat sink, 51-heat pipe heat exchanger, 52-heat pipe fin, 231-rotary central shaft, 241-outer support, 242-filter screen fixing frame, 243-rotating wheel control device, 244-electromagnetic driving device, 411-semiconductor refrigerating piece hot end, 412-semiconductor refrigerating piece cold end, 511-heat pipe condensation section, 512-heat pipe heat insulation section, 513-heat pipe evaporation section, 2431-fixing column, 2432-rotating gear and 2433-rack.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings:
the first embodiment is as follows:
a brand new wind heat exchange system based on heat pipe and semiconductor technology, the said wind heat exchange system mainly includes the wind heat exchange device and control system 6; the air-heat exchange device comprises a fresh air adjusting device 2, an exhaust adjusting device 3, a semiconductor refrigerating device 4 and a heat pipe heat exchange device 5 which are arranged in a machine shell 1; the control system 6 is electrically connected with the semiconductor refrigerating device 4, the fresh air adjusting device 2 and the air exhaust adjusting device 3 through a circuit board and wires; the shell 1 of the wind-heat exchange device is formed into a cavity structure, the fresh air adjusting device 2 and the exhaust air adjusting device 3 are respectively arranged on two sides of the interior of the shell 1, and the semiconductor refrigerating device 4 and the heat pipe heat exchange device 5 are arranged in the middle of the interior of the shell 1; meanwhile, the outer wall of the case 1 at one side where the fresh air adjusting device 2 is installed is provided with a pipeline interface 12 for connecting a pipeline from the outside; an air inlet and outlet buffer chamber 11 is arranged at the inner part of one side where the air exhaust adjusting device 3 is installed to control the air inlet and outlet direction in a buffer mode, and an air inlet buffer sheet and an air outlet buffer sheet which are curved in an arc shape are arranged in the buffer chamber 11 to guide the wind direction through the air inlet buffer sheet and the air outlet buffer sheet;
the heat pipe heat exchange device 5 mainly comprises a heat pipe heat exchanger 51 and heat pipe fins 52, and is arranged close to the side of the fresh air adjusting device 2; the heat pipe heat exchanger 51 comprises a heat pipe condensation section 511, a heat pipe insulation section 512 and a heat pipe evaporation section 513 from top to bottom, and the heat pipe fins 52 are nested on the heat pipe heat exchanger 51; the fresh air passing through the fresh air filter screen 21 is pre-cooled or preheated by the heat pipe heat exchange device 5, the heat pipe heat exchanger 51 of the heat pipe heat exchange device 5 is installed on the right side of the middle part in the machine shell 1 by a cluster of vertically placed gravity type circular heat pipes in a regular triangle cross arrangement mode, and heat exchange fins are embedded on the heat pipe heat exchanger 51, so that the turbulent flow of air flow can be increased, and the heat exchange effect can be enhanced; when the heat pipe evaporation section 513 absorbs heat and is heated, the working medium in the heat pipe absorbs the heat of the heat source and is vaporized; working medium steam in the heat pipe flows to the heat pipe condensation section 511 under a slight pressure difference, releases latent heat to the cold source and condenses into liquid, and the liquid flows back to the heat pipe evaporation section 513 along the inner wall of the pipe under the action of gravity;
the semiconductor refrigerating device 4 mainly comprises a semiconductor refrigerating sheet 41, an upper end heat sink 42 and a lower end heat sink 43, and is arranged close to the side of the exhaust adjusting device 3; the semiconductor refrigeration piece 41 comprises a semiconductor refrigeration piece hot end 411 and a semiconductor refrigeration piece cold end 412 from top to bottom, and an upper end heat sink 42 and a lower end heat sink 43 are respectively arranged above and below the semiconductor refrigeration piece 41; the secondary re-cooling or reheating of outdoor fresh air is completed by utilizing a semiconductor refrigerating sheet 41, the semiconductor refrigerating sheet 41 is parallel to a channel and is arranged on a horizontal middle partition plate inside the shell 1, the hot surface and the cold surface of the semiconductor refrigerating sheet are tightly contacted with an upper end heat sink 42 and a lower end heat sink 43, the heat sinks are rectangular, after the semiconductor refrigerating sheet 41 is powered on, the cold end 412 and the hot end of the semiconductor refrigerating sheet are formed, the cold end of the semiconductor refrigerating sheet 41 absorbs heat from a heat source, and the hot end releases heat to a cold source; a small net type atomization humidifier is arranged above the upper end heat sink 42, a drawer type small water box for containing purified water is arranged at the bottom of the upper end heat sink, the drawer type small water box can be a flat open water collecting box, small holes are formed in one side surface and the bottom of the upper end heat sink, the drawer type small water box is respectively communicated with a water supply channel and a drainage channel through the small holes, and water is controlled to be input and discharged from the machine shell 1 through a valve; when the small-sized net type atomizing humidifier works in summer, the water surface generates ultrafine water mist particles by utilizing ultrasonic waves, and the ultrafine water mist particles absorb heat and evaporate on the heat sink 42 at the upper end of the hot end 411 of the semiconductor chilling plate, so that the temperature difference of the cold end and the hot end of the semiconductor chilling plate 41 is reduced, the working efficiency of the semiconductor chilling plate 41 is improved, the heat exchange effect is enhanced, and water vapor can be discharged out of a room along with exhaust air; when working in winter, the water mist absorbs heat and evaporates into water vapor, and the water vapor is sent into a room along with fresh air, so that the indoor temperature and humidity can be improved; in addition, the humidity of outdoor air is high in summer, the cold end of the semiconductor refrigerating sheet can effectively dehumidify outdoor inlet air, namely, water in precooled/preheated fresh air is condensed when meeting cold and is attached to a heat sink, and condensed water on the heat sink is recovered through a drainage channel and then is used by a small-sized net type atomization humidifier, so that the humidity of the fresh air is reduced;
the fresh air adjusting device 2 mainly comprises a fresh air filter screen 21, a fresh air channel 22, a fresh air fan 23 and a fresh air filter screen support frame 24, wherein the fresh air filter screen 21 is installed at one side in the machine shell 1 through the fresh air filter screen support frame 24, the fan is adjacently installed at the side of the fresh air filter screen 21, and the fresh air channel 22 is arranged in a space formed by the fresh air filter screen 21 and the inner side of the machine shell 1; the exhaust adjusting device 3 mainly comprises an exhaust filter screen 31, an exhaust channel 32, an exhaust fan 33 and an exhaust filter screen support 34, wherein the exhaust filter screen 31 is arranged at the other side in the casing 1 through the exhaust filter screen support 34, and the exhaust channel 32 is arranged in a space formed by the exhaust filter screen 31 and the inner side of the casing 1; the fresh air inlet 13 and the exhaust outlet 16 are arranged at the pipeline interface 12 on the outer wall of the shell 1 and are communicated with the outside through pipelines to realize replacement ventilation of indoor space, the fresh air filter screen 21 is of a multi-layer composite filter screen structure and is formed by compounding and superposing an HEPA (high efficiency particulate air) high-efficiency filter screen, an active carbon adsorption filter screen and a cold catalyst filter screen, and the composite filter screen is a multi-layer composite filter screen containing an electrostatic electret material and can effectively filter pollutants such as PM2.5, formaldehyde, dust, peculiar smell, bacteria and the like; the exhaust filter screen 31 is a single-layer filter layer, and the filter layer is polyester fiber filter paper and is used for filtering exhaust impurities; after fresh air enters, the fresh air is subjected to impurity removal and filtration through a fresh air filter screen 21, and then the cold and heat treatment work is finished by a semiconductor refrigerating device 4 and a heat pipe heat exchange device 5;
furthermore, the fresh air filter screen 21 and the exhaust filter screen 31 are movably mounted on the fresh air filter screen support frame 24 and the exhaust filter screen support frame 34 respectively, and the fresh air filter screen 21 and the exhaust filter screen 31 are mounted at different horizontal positions in a staggered manner; the fresh air filter screen support frame 24 has the same structure as the exhaust filter screen support frame 34, and mainly comprises an outer support 241, a filter screen fixing frame 242, a rotating wheel control device 243 and an electromagnetic driving device 244 respectively; the outer support 241 is formed into a cubic frame structure, the height of the outer support is matched with that of the machine shell 1, the outer support is fixedly arranged along the inner wall of the machine shell 1, and a clamping groove structure matched with the filter screen fixing frame 242 to move up and down is arranged on the inner side of the outer support 241; the filter screen fixing frame 242 is of a quadrangular frame structure, is surrounded and installed at the outer edge of the fresh air filter screen 21/exhaust filter screen 31, and is movably embedded and installed in the clamping groove of the outer support 241; the rotating wheel control device 243 is composed of a fixed column 2431, a rotating gear 2432, a rack 2433 and an electric controller, the fixed column 2431 is a cylindrical structure fixedly installed in the middle of the side wall of the outer support 241, the rotating gear 2432 is axially and rotatably installed on the outer side of the fixed column 2431 through a bearing and is electrically driven and connected with the controller, the rack 2433 is vertically installed along the side wall of the filter screen fixing frame 242, and the rotating gear 2432 is meshed and matched with the rack 2433 to push the rack 2433 to move up and down when rotating, so that the filter screen fixing frame 242 and the fresh air filter screen 21/exhaust filter screen 31; the electromagnetic driving device 244 comprises two permanent magnets, two electromagnets and an electromagnetic controller, wherein the permanent magnets are respectively arranged at the outer top wall of the filter screen fixing frame 242 and the outer bottom surface of the filter screen fixing frame 242; the electromagnet consists of a soft iron core and an electric coil and is respectively arranged at the inner top wall of the outer support 241 (so that the electromagnet is mutually magnetically attracted with the permanent magnet at the outer top wall of the filter screen fixing frame 242) and the inner bottom surface of the outer support 241 (so that the electromagnet is mutually magnetically attracted with the permanent magnet at the outer bottom surface of the filter screen fixing frame 242), so that a regulating structure of mutual magnetic attraction at corresponding positions of the outer support 241 and the filter screen fixing frame 242 is formed, and the electromagnetic controller controls the electromagnetic induction of the electromagnet and the permanent magnet to mutually magnetically attract and drive the filter screen fixing frame 242 to move up; thereby the fresh air filter screen 21/the exhaust filter screen 31 are controlled to move up and down in an auxiliary mode;
furthermore, the wind-heat exchange device also comprises a humidifying device which is a small-sized net type atomization humidifier and is arranged on the top wall of the machine shell 1; the wind-heat exchange device also comprises a smoke alarm system which is arranged between the exhaust adjusting device 3 and the semiconductor refrigerating device 4; when a fire disaster occurs indoors, the smoke sense detects dense smoke and buzzing early warning sound is given out.
The invention is applicable in four seasons, and the refrigeration/heat supply mode is switched by changing the wind direction of the fresh air fan 23/the exhaust fan 33 and the installation position of the fresh air filter screen 21/the exhaust filter screen 31; the fresh air fan 23/exhaust fan 33 adopted by the invention is composed of fan blades, a fan shell and an electric structure, wherein the fan blades are positioned and installed through the fan shell, a rotary central shaft 231 is arranged at the central shaft position of the fan shell and used for controlling the whole fan to horizontally rotate around a central axis, and when the fan is horizontally turned over for 180 degrees, the wind direction can be changed, so that the fresh air channel 22 and the exhaust channel 32 are mutually switched, and the refrigeration or heat supply of fresh air entering a room is realized; the fresh air filter screen support frame 24/the exhaust filter screen support frame 34 adopted by the invention can control the fresh air filter screen 21/the exhaust filter screen 31 to move up and down through the rotating wheel control device 243 and the electromagnetic drive device 244, so that the positions of the filter screens can be changed between the fresh air channel 22 and the exhaust channel 32, and the electromagnetic drive device 244 and the rotating wheel control device 243 can not only adjust the positions, but also reinforce the installation of the filter screens;
the control system 6 of the invention sets the communication module and the function module of the circuit board, and sets the working power of the fan to be automatically adjusted by monitoring the indoor and outdoor temperature difference, so as to change the ventilation volume and the working current of the semiconductor refrigeration sheet 41, when the ventilation volume is small, only the heat pipe heat exchanger 51 works to exchange heat of fresh air and exhaust air; when the ventilation volume is moderate, the semiconductor refrigeration piece 41 is started to assist the heat pipe to carry out heat exchange, and at the moment, the semiconductor refrigeration piece 41 is in the working condition of the maximum refrigeration coefficient, the working current is small, and the semiconductor working efficiency is high; when the ventilation volume is large, the semiconductor refrigeration sheet 41 works together with the heat pipe heat exchanger 51 under the rated current.
Furthermore, a pipeline interface 12 arranged on the outer wall of the casing 1 of the brand new wind heat exchange system is a fresh air inlet 13 and an exhaust air outlet 16; during refrigeration in summer, the fresh air filter screen 21 is arranged in the lower half frame of the fresh air filter screen support frame 24, the exhaust air filter screen 31 is arranged in the upper half frame of the exhaust air filter screen support frame 34, the fresh air filter screen 21 and the exhaust air filter screen 31 are arranged at different horizontal positions in a staggered manner, meanwhile, the pipeline interface 12 facing the fresh air filter screen 21 is a fresh air inlet 13, the pipeline interface 12 above the fresh air inlet 13 is an exhaust air outlet 16, the fresh air outlet 14 and the fresh air inlet 13 are arranged at the same horizontal position, and the exhaust air inlet 15 and the exhaust air outlet 16 are arranged at the same horizontal position;
the working method of the brand new wind heat exchange system is as follows:
1) after outdoor fresh air enters a fresh air channel 22 from a fresh air inlet 13 connected with a pipeline, the fresh air is subjected to impurity removal and filtration through a fresh air filter screen 21 and then passes through a fresh air fan 23;
2) fresh air enters the heat pipe heat exchange device 5 after passing through the fresh air fan 23, absorbs heat from the heat pipe evaporation section 513, and then the heat is transferred to the heat pipe condensation section 511 to exchange heat with indoor exhaust air, so that fresh air precooling is completed;
3) the fresh air enters the semiconductor refrigerating device 4 after being precooled, the heat of the precooled fresh air is further absorbed through the heat sink 43 at the lower end, and the heat is transferred to the indoor air in the air exhaust channel 32 through the heat sink 42 at the upper end of the hot end 411 of the semiconductor refrigerating sheet, so that secondary recooling of the fresh air is completed;
4) the moisture in the recooled fresh air meets condensation and reduces the humidity, then the fresh air flow thermal resistance is reduced through the buffer chamber 11 in sequence, and the fresh air enters the chamber from a fresh air outlet 14 arranged at the lower end of the buffer chamber 11;
5) meanwhile, indoor exhaust air enters the machine shell 1 from an exhaust air inlet 15 arranged at the upper end of the buffer chamber 11, then enters the machine shell by reducing exhaust air flow heat resistance through the buffer chamber 11, then sequentially passes through an exhaust air filter screen 31, an upper end heat sink 42 and a heat pipe condensation section 511, and finally is discharged out of the machine shell along a pipeline through an exhaust air outlet 16 connected with the pipeline; the fresh air fan 23 and the exhaust fan 33 can adjust the working power according to the ventilation volume, and the heat exchange effect is enhanced.
Example two:
by adopting the overall structural design of the heat pipe and semiconductor technology-based fresh air heat exchange system in the first embodiment, during heat supply in winter, the fresh air filter screen 21 is adjusted to move into the upper half frame of the fresh air filter screen support frame 24, the exhaust filter screen 31 is adjusted to move into the lower half frame of the exhaust filter screen support frame 34, the fresh air filter screen 21 and the exhaust filter screen 31 are installed at different horizontal positions in a staggered manner, at the moment, the pipeline interface 12 (upper interface) facing the fresh air filter screen 21 is a fresh air inlet 13, the pipeline interface 12 below the fresh air inlet 13 is an exhaust outlet 16, the fresh air outlet 14 and the fresh air inlet 13 are arranged at the same horizontal position, and the exhaust inlet 15 and the exhaust outlet 16 are arranged at the same horizontal position; meanwhile, the wind directions of the fresh air fan 23 and the exhaust air fan 33 are adjusted by horizontally turning the fans by 180 degrees around the central axis, so that the exhaust channel 32 and the fresh air channel 22 in the first embodiment are mutually switched;
the working method of the brand new wind heat exchange system is as follows:
1) outdoor fresh air enters a fresh air channel 22 from a fresh air inlet 13 connected with a pipeline, and the fresh air is subjected to impurity removal and filtration through a fresh air filter screen 21 and then passes through a fresh air fan 23;
2) fresh air enters the heat pipe heat exchange device 5 after passing through the fan, cold energy is absorbed from the heat pipe condensation section 511, and then the cold energy is transferred to the heat pipe evaporation section 513 to exchange energy with indoor exhaust air, so that fresh air preheating is completed;
3) the fresh air enters the semiconductor refrigerating device 4 after being preheated, the cold energy of the preheated fresh air is further absorbed through the upper heat sink 42, and the cold energy is transmitted to the indoor air in the exhaust channel 32 through the lower heat sink 43 of the cold end 412 of the semiconductor refrigerating sheet, so that the secondary reheating of the fresh air is completed;
4) moisture in the reheated fresh air is evaporated by heat, then the fresh air sequentially passes through the buffer chamber 11 to reduce the flow thermal resistance of the fresh air, and enters the chamber from a fresh air outlet 14 arranged at the upper end of the buffer chamber 11;
5) meanwhile, indoor exhaust air enters the machine shell 1 from an exhaust air inlet 15 arranged at the lower end of the buffer chamber 11, then enters the machine shell through the buffer chamber 11 by reducing exhaust air flow heat resistance, then sequentially passes through an exhaust air filter screen 31, an upper end heat sink 42 and a heat pipe condensation section 511, and finally is discharged out of the machine shell along a pipeline through an exhaust air outlet 16 connected with the pipeline.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, and those skilled in the art may make modifications and variations within the spirit of the present invention, and all modifications, equivalents and modifications of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.
Claims (10)
1. A brand new wind heat exchange system based on heat pipes and semiconductor technology is characterized in that the wind heat exchange system mainly comprises a wind heat exchange device and a control system;
the air-heat exchange device comprises a fresh air adjusting device, an exhaust adjusting device, a semiconductor refrigerating device and a heat pipe heat exchange device which are arranged in a shell;
the fresh air adjusting device mainly comprises a fresh air filter screen, a fresh air channel, a fresh air fan and a fresh air filter screen support frame, wherein the fresh air filter screen is installed on one side in the casing through the fresh air filter screen support frame;
the exhaust adjusting device mainly comprises an exhaust filter screen, an exhaust channel, an exhaust fan and an exhaust filter screen support frame, wherein the exhaust filter screen is arranged at the other side in the shell through the exhaust filter screen support frame;
the semiconductor refrigerating device mainly comprises a semiconductor refrigerating sheet, an upper end heat sink and a lower end heat sink, and is arranged beside the exhaust adjusting device;
the heat pipe heat exchange device mainly comprises a heat pipe heat exchanger and heat pipe fins and is arranged close to the side of the fresh air adjusting device;
the control system is electrically connected with the semiconductor refrigerating device, the fresh air adjusting device and the exhaust adjusting device through a circuit board and an electric wire.
2. A heat pipe and semiconductor technology based brand new wind heat exchange system according to claim 1, wherein said wind heat exchange device further comprises a humidifying device, said humidifying device is a small net type atomizing humidifier, and is installed on the top wall of the cabinet.
3. The system according to claim 1, wherein the housing is formed as a cavity, the fresh air adjusting device and the exhaust air adjusting device are respectively installed at two sides of the interior of the housing, and the semiconductor refrigerating device and the heat pipe heat exchanging device are installed at the middle of the interior of the housing; meanwhile, a pipeline interface is arranged on the outer wall of one side of the machine shell, which is provided with the fresh air adjusting device, so as to be externally connected with a pipeline; an air inlet and outlet buffer chamber is arranged in one side where the air exhaust adjusting device is installed, so that the air inlet and outlet direction can be controlled in a buffer mode.
4. The heat pipe and semiconductor technology based brand new wind heat exchange system according to claim 1, wherein the wind heat exchange device further comprises a smoke alarm system installed between the exhaust air adjusting device and the semiconductor refrigerating device.
5. The heat pipe and semiconductor technology-based fresh air heat exchange system according to claim 1, wherein the semiconductor chilling plate comprises a semiconductor chilling plate hot end and a semiconductor chilling plate cold end from top to bottom, and the upper end heat sink and the lower end heat sink are respectively installed above and below the semiconductor chilling plate.
6. The system according to claim 1, wherein the heat pipe heat exchanger comprises a heat pipe condensation section, a heat pipe insulation section and a heat pipe evaporation section from top to bottom, and the heat pipe fins are nested on the heat pipe heat exchanger.
7. The heat pipe and semiconductor technology-based fresh air heat exchange system according to claim 1, wherein the fresh air filter screen and the air exhaust filter screen are movably mounted on the fresh air filter screen support frame and the air exhaust filter screen support frame respectively, and the fresh air filter screen and the air exhaust filter screen are mounted at different horizontal positions in a staggered manner.
8. The heat pipe and semiconductor technology based fresh air heat exchange system of claim 7, wherein the fresh air filter screen support frame and the exhaust filter screen support frame have the same structure, and respectively mainly comprise an outer support, a filter screen fixing frame, a rotating wheel control device and an electromagnetic driving device;
the outer support is formed into a cubic frame structure, the height of the outer support is matched with that of the machine shell, the outer support is fixedly arranged along the inner wall of the machine shell, and a clamping groove structure matched with the filter screen fixing frame to move up and down is arranged on the inner side of the outer support;
the filter screen fixing frame is of a quadrangular frame structure, is arranged at the outer edge of the fresh air filter screen/the exhaust filter screen in a surrounding way, and is movably embedded in the clamping groove of the outer support;
the rotating wheel control device is composed of a fixed column, a rotating gear, a rack and an electric controller, the fixed column is of a cylindrical structure fixedly installed in the middle of the side wall of the outer support, the rotating gear is axially and rotatably installed on the outer side of the fixed column through a bearing and is in electric drive connection with the controller, the rack is vertically installed along the side wall of the filter screen fixing frame, and the rotating gear is meshed and matched with the rack to push the rack to move up and down when rotating;
the electromagnetic driving device comprises two permanent magnets, two electromagnets and an electromagnetic controller, and the permanent magnets are respectively arranged at the top wall of the outer filter screen fixing frame and the bottom surface of the outer filter screen fixing frame; the electromagnet consists of a soft iron core and an electric coil and is respectively arranged at the inner top wall of the outer support and the inner bottom surface of the outer support to form a movable adjusting structure that the electromagnets at the inner top wall and the inner bottom surface of the outer support are respectively magnetically attracted with the permanent magnets at the outer top wall and the outer bottom surface of the filter screen fixing frame, and the electromagnet is controlled by an electromagnetic controller to be magnetically attracted with the permanent magnets and drive the filter screen fixing frame to move up and down.
9. The system of claim 7, wherein the fresh air filter is a multi-layer composite filter structure, and is formed by compounding and stacking HEPA high efficiency filter, active carbon adsorption filter and cold catalyst filter; the exhaust filter screen is a single-layer filter layer, and the filter layer is polyester fiber filter paper.
10. The heat pipe and semiconductor technology-based fresh air heat exchange system according to claim 3, wherein the pipeline interfaces arranged on the outer wall of the casing of the fresh air heat exchange system are a fresh air inlet and an exhaust air outlet; the working method of the brand new wind heat exchange system is as follows:
1) after outdoor fresh air enters a fresh air channel from a fresh air inlet connected with a pipeline, the fresh air is subjected to impurity removal and filtration by a fresh air filter screen and then passes through a fresh air fan;
2) fresh air enters the heat pipe heat exchange device after passing through the fresh air fan, absorbs heat from the evaporation section of the heat pipe, and then the heat is transferred to the condensation section of the heat pipe to exchange heat with indoor exhaust air, so that fresh air precooling is completed;
3) the fresh air enters the semiconductor refrigerating device after being precooled, the heat of the precooled fresh air is further absorbed by the heat sink at the lower end, and the heat is transferred to the indoor air in the exhaust channel through the heat sink at the upper end of the hot end of the semiconductor refrigerating sheet, so that secondary recooling of the fresh air is completed;
4) the water in the cooled fresh air meets condensation and reduces the humidity, then the fresh air flow thermal resistance is reduced through the buffer chamber in sequence, and the fresh air enters the chamber from a fresh air outlet arranged at the lower end of the buffer chamber;
5) meanwhile, indoor exhaust air enters the shell from an exhaust air inlet arranged at the upper end of the buffer chamber, then enters the shell through the buffer chamber to reduce exhaust air flow heat resistance, then sequentially passes through an exhaust air filter screen, an upper end heat sink and a heat pipe condensation section, and finally is discharged out of the shell along a pipeline through an exhaust air outlet connected with the pipeline.
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| CN202010539061.0A CN111536650A (en) | 2020-06-13 | 2020-06-13 | Brand-new wind heat exchange system based on heat pipe and semiconductor technology |
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| CN202010539061.0A CN111536650A (en) | 2020-06-13 | 2020-06-13 | Brand-new wind heat exchange system based on heat pipe and semiconductor technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112594816A (en) * | 2020-12-18 | 2021-04-02 | 无锡同方人工环境有限公司 | Passive room energy environment machine adopting semiconductor heat pipe technology |
| CN113038804A (en) * | 2021-03-25 | 2021-06-25 | 江苏中科新源半导体科技有限公司 | Fresh air cooling and heat exchanging system based on semiconductor refrigerating sheet |
| CN113266912A (en) * | 2021-06-04 | 2021-08-17 | 南通华信中央空调有限公司 | Double-layer double-channel fresh air machine |
| CN113280440A (en) * | 2021-06-18 | 2021-08-20 | 远大洁净空气科技有限公司 | Clean fresh air machine and working method thereof |
| CN113432213A (en) * | 2021-08-27 | 2021-09-24 | 江苏环亚节能技术服务有限公司 | Air conveying energy-saving device for medical institution |
| CN114976941A (en) * | 2022-05-18 | 2022-08-30 | 苏州开关二厂有限公司 | Heat dissipation moisture-proof high-low voltage switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594816A (en) * | 2020-12-18 | 2021-04-02 | 无锡同方人工环境有限公司 | Passive room energy environment machine adopting semiconductor heat pipe technology |
| CN113038804A (en) * | 2021-03-25 | 2021-06-25 | 江苏中科新源半导体科技有限公司 | Fresh air cooling and heat exchanging system based on semiconductor refrigerating sheet |
| CN113266912A (en) * | 2021-06-04 | 2021-08-17 | 南通华信中央空调有限公司 | Double-layer double-channel fresh air machine |
| CN113280440A (en) * | 2021-06-18 | 2021-08-20 | 远大洁净空气科技有限公司 | Clean fresh air machine and working method thereof |
| CN113432213A (en) * | 2021-08-27 | 2021-09-24 | 江苏环亚节能技术服务有限公司 | Air conveying energy-saving device for medical institution |
| CN114976941A (en) * | 2022-05-18 | 2022-08-30 | 苏州开关二厂有限公司 | Heat dissipation moisture-proof high-low voltage switch cabinet |
| CN114976941B (en) * | 2022-05-18 | 2023-08-08 | 苏州开关二厂有限公司 | Dampproofing formula high-low tension switchgear dispels heat |
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