CN106051997A - Air exchange device - Google Patents
Air exchange device Download PDFInfo
- Publication number
- CN106051997A CN106051997A CN201610624223.4A CN201610624223A CN106051997A CN 106051997 A CN106051997 A CN 106051997A CN 201610624223 A CN201610624223 A CN 201610624223A CN 106051997 A CN106051997 A CN 106051997A
- Authority
- CN
- China
- Prior art keywords
- air
- indoor
- room
- valve
- heat exchanger
- Prior art date
Links
- 239000003570 air Substances 0.000 title claims abstract description 75
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 43
- 240000002435 Kalanchoe pinnata Species 0.000 claims description 33
- 238000010790 dilution Methods 0.000 claims description 33
- 239000000112 cooling gases Substances 0.000 claims description 20
- 239000007789 gases Substances 0.000 claims description 20
- 239000006200 vaporizer Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 11
- 239000007788 liquids Substances 0.000 claims description 11
- 230000001877 deodorizing Effects 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound 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O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxides Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000001308 nitrogen Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
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Classifications
-
- 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, e.g. by means of wall-ducts or systems using window or roof apertures
- F24F7/007—Ventilation, e.g. by means of wall-ducts or systems using window or roof apertures with forced flow
-
- 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
-
- 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
-
- 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
- F24F5/0035—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 using evaporation
Abstract
Description
Technical field
The present invention relates to an electro-technical field, particularly relate to a kind of dilution air plant.
Background technology
Existing dilution air plant is used for being extracted into room air outdoor, and by outdoor air suction chamber, to reach to change wind mesh 's.When running into the situation that indoor/outdoor temperature-difference is bigger, by changing wind, the temperature difference in meeting gradually balance cylinder, such as, summer can improve indoor Temperature, winter can reduce indoor temperature, and Consumer's Experience is bad.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.
To this end, it is an object of the present invention to propose the dilution air plant of a kind of efficient energy-saving.
Dilution air plant according to embodiments of the present invention, including housing, define in described housing apart from one another by new wind between Room between room and return air between room between room, air draft, air-supply, between described new wind, room has the new wind entrance being in communication with the outside, described air draft Between room there is the wind exhausting outlet being in communication with the outside, between described air-supply, room has and the indoor air-supply outlet connected, between described return air Room has the return air inlet connected with indoor；Have apart from one another by first flow and the distributary plate type heat exchanger of the second runner, Described distributary plate type heat exchanger is located in described housing, and between the entrance point of described first flow with described new wind, room connects and described Between the port of export of first flow with described air-supply, room connects, and the entrance point of described second runner connects and institute with room between described return air State the port of export of the second runner to connect with room between described air draft；Filter, described filter is located between described new wind indoor；Heat exchange Device, described heat exchanger is located between described air-supply indoor, the evaporation ends of described heat exchanger adjacent to described first flow the port of export and The condensation end of described heat exchanger is away from the port of export of described first flow；Vaporizer, described vaporizer is located at room between described air-supply In and between the evaporation ends and condensation end of described heat exchanger；Heat pump, described heat pump is connected with described vaporizer； Deodorizing purifier, described deodorizing purifier is located between described air-supply the downstream of condensation end that is indoor and that be positioned at described heat exchanger.
Dilution air plant according to embodiments of the present invention, outdoor new wind is after filter cleaning, at distributary plate type heat exchanger Carry out heat exchange with indoor return air, then entered heat exchanger dehumidifying backheat, then after deodorizing purifier taste removal, enter indoor, changing While wind, room temperature somewhat constant, efficient energy-saving can be kept.
It addition, dilution air plant according to the above embodiment of the present invention can also have a following additional technical characteristic:
An example according to the present invention, described dilution air plant also includes the first blower fan and the second blower fan, described first Blower fan is located between described air-supply indoor, and described second blower fan is located between described return air indoor.
An example according to the present invention, described dilution air plant also includes gas concentration lwevel sensor and pattern switching Switching valve, described gas concentration lwevel sensor is located between described return air indoor, described pattern switch transition valve be located at described newly Indoor, the indoor carbon dioxide concentration that described pattern switch transition valve detects according to described gas concentration lwevel sensor between wind Open or close described fresh inlet.
An example according to the present invention, described dilution air plant also includes PM2.5 concentration sensor, and described PM2.5 is dense Degree sensor is located between described return air indoor.
An example according to the present invention, described dilution air plant also includes that temperature sensor, described temperature sensor set Between described return air indoor and be connected with described heat pump, the room that described heat pump detects according to described temperature sensor Interior temperature is to carry out the switching of refrigerating/heating pattern.
An example according to the present invention, described filter includes roughing efficiency air filter and is located at described roughing efficiency air filter downstream PM2.5 filter.
An example according to the present invention, described heat pump include the four-way change-over valve that is connected with described vaporizer and The gas-liquid separator that described four-way change-over valve is connected, the compressor that is connected with described gas-liquid separator, be connected with described compressor Condenser, the electric expansion valve that is connected with described condenser, described electric expansion valve is connected with described vaporizer.
An example according to the present invention, described heat pump also includes the 3rd blower fan, and described 3rd blower fan is cold with described Condenser is connected.
An example according to the present invention, described dilution air plant also include controller, described controller include housing and Pcb board, the first face of described pcb board is provided with electronic component, second be provided above cooling line, this cooling line with Cooling gas generating unit connects, and electrically operated valve is arranged on described cooling line, and the opening of electrically operated valve is towards described electricity Sub-element also makes the cooling air-flow of ejection just to electronic component；The opening part of electrically operated valve is additionally provided with and is perpendicular to cool down air-flow Valve plate, valve plate one end is resisted against on spring, and the other end is connected on the opening of electrically operated valve；Described spring housing is located at sliding axle On, sliding axle one end is fixing with valve plate to be connected, and the other end is fixed on spring support, and this spring support is fixing with cooling line even Connect；Described valve plate is also fixedly connected with coil fixing body, and this coil fixing body is provided with coil, and this coil is positioned in magnetic field also It is series in the circuit loop of pcb board；When coil no power in circuit loop, spring extruding valve plate makes this electrically operated valve Opening be normally off, when coil electricity in circuit loop, electrified coil promotes valve plate under the effect of Lorentz force Extrusion spring so that the opening of electrically operated valve is opened, cooling air-flow ejection；When the power of circuit loop is the biggest, in coil Electric current the biggest, the Lorentz force that coil is subject to is the biggest, thus increases the valve plate extruding amplitude to spring, improve opening air-out Amount.
When using gas produced by the cooling gas or cooling gas generating unit introduced from the external world, pass through pipeline Import to by the electronic component of heating, it is possible to use temperature lower, not by cooling that other electronic component is heated Cooling down these electronic components with gas, cooling effect is more preferable, and rate of cooling faster, is beneficial to realize electronic component Temperature maintain in lower level.And, by by coils connected in series to circuit board in order in the circuit of connecting electronic component, When electronic component more needs to dispel the heat, and all thermal powers produced by it, derive from electrical power, and electrical power is the biggest, its electricity Flow the biggest, so coil can produce bigger active force, to resist elastic force produced by spring.Bigger when producing Elastic force time, its elastic deformation is the biggest so that the opening of electrically operated valve is the biggest, and the flow of the cooling gas that it can pass through is also The biggest, cooling capacity is the strongest.It is achieved thereby that the different cooling effects of the electronic component for different operating temperature, or for Same electronic component, the different cooling effects when different temperatures, thus improve cooling gas input device or cooling use The gas generating unit work efficiency when importing equal number cooling gas, improves cooling capacity.
Preferably, described cooling gas generating unit stores liquid nitrogen.
The mode using liquid nitrogen cools down, and not only gas temperature is the lowest, and cooling capacity is strong, and it is cold to produce air But the dust in pollutes electronical elements surface, the problem reducing electronic element radiating ability.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of dilution air plant according to an embodiment of the invention；
Fig. 2 is the schematic diagram of dilution air plant according to another embodiment of the present invention；
Fig. 3 is the structural representation of the controller of the dilution air plant according to further embodiment of this invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings dilution air plant according to embodiments of the present invention is described in detail.
Dilution air plant according to embodiments of the present invention, including: housing 110, distributary plate type heat exchanger 120, filter 130, Heat exchanger 140, vaporizer 150, heat pump 160, deodorizing purifier 170.
Specifically, define in housing 110 apart from one another by new wind between room 113 between room 112 between room 111, air draft, air-supply And room 114 between return air, between new wind, room 111 has the new wind entrance 1111 being in communication with the outside, and between air draft, room 112 has with the external world even Logical wind exhausting outlet 1121, between air-supply, room 113 has the air-supply outlet 1131 connected with indoor, and between return air, room 114 has and room The return air inlet 1141 of interior connection；Also including the first blower fan 190 and the second blower fan 200, the first blower fan 190 is located at room between air-supply In 130, the second blower fan 200 is located between return air in room 114；
Distributary plate type heat exchanger 120 have apart from one another by first flow (not shown) and the second runner (not shown), fork Stream plate type heat exchanger 120 is located in housing 110, and between the entrance point of described first flow with new wind, room 111 connects and described first Between the port of export of runner with air-supply, room 113 connects, and the entrance point of described second runner connects with room between return air 114 and described second The port of export of runner connects with room between air draft 112；
Filter 130 is located between new wind in room 111；Advantageously, at the beginning of filter 130 includes roughing efficiency air filter 131 and is located at The PM2.5 filter 132 in effect filter 131 downstream；
Heat exchanger 140 is located between air-supply in room 113, and the evaporation ends 141 of heat exchanger 140 is adjacent to the outlet of described first flow The condensation end 142 of end and heat exchanger 140 is away from the port of export of described first flow；
In vaporizer 150 is located between air-supply room 113 and between the evaporation ends 141 and condensation end 142 of heat exchanger 140；
Heat pump 160 is connected with vaporizer 150；
Heat pump 160 includes the four-way change-over valve 161 being connected with vaporizer 150, the gas being connected with four-way change-over valve 161 Liquid/gas separator 162, the compressor 163 being connected with gas-liquid separator 162, the condenser 164 being connected with compressor 163 and condensation The electric expansion valve 165 that device 164 is connected, electric expansion valve 165 is connected with vaporizer 150；Heat pump 160 also includes the 3rd wind Machine 166, the 3rd blower fan 166 is connected with condenser 164；
In deodorizing purifier 170 is located at room between air-supply 113 and be positioned at the downstream of condensation end 142 of heat exchanger 140.
Dilution air plant according to embodiments of the present invention, outdoor new wind is after filter cleaning, at distributary plate type heat exchanger Carry out heat exchange with indoor return air, then entered heat exchanger dehumidifying backheat, then after deodorizing purifier taste removal, enter indoor, changing While wind, room temperature somewhat constant, efficient energy-saving can be kept.
An example according to the present invention, described dilution air plant also includes gas concentration lwevel sensor 210 and pattern Switch transition valve 220, gas concentration lwevel sensor 210 is located between return air in room 114, and pattern switch transition valve 220 is located at newly Between wind in room 111, the indoor carbon dioxide that pattern switch transition valve 220 detects according to gas concentration lwevel sensor 210 is dense Fresh inlet 1111 is opened or closed to degree；In other words, so new wind can be regulated according to the concentration of indoor carbon dioxide Intake, i.e. when indoor carbon dioxide concentration is in reduced levels (namely indoor oxygen content is higher), then pattern switching Switching valve 220 can partly hide fresh inlet 1111 and even completely close fresh inlet 1111, to reduce the air intake of new wind Amount；And when indoor carbon dioxide concentration is higher, then pattern switch transition valve 220 can fully open fresh inlet 1111 to increase The intake of big new wind.
An example according to the present invention, described dilution air plant also includes PM2.5 concentration sensor 230, PM2.5 concentration Sensor 230 is located between return air in room 114.Thus, it is possible to indoor PM2.5 concentration is monitored.
An example according to the present invention, described dilution air plant also includes temperature sensor 240, temperature sensor 240 It is located between return air and in room 113 and is connected with heat pump 160, the indoor that heat pump 160 detects according to temperature sensor 240 Temperature is to carry out the switching of refrigerating/heating pattern.Specifically, the temperature detected when temperature sensor 240 is less than pre-constant temperature Degree (such as, less than 10 DEG C), then control heat pump 160 and be switched to heating mode, by improving wind pushing temperature, improve room Temperature；The temperature detected when temperature sensor 240 is higher than predetermined temperature (such as, higher than 28 DEG C), then control heat pump 160 and cut Change to refrigeration mode, by reducing wind pushing temperature, reduce room temperature；Thus, it is possible to it is the most comfortable to make indoor temperature be maintained at people Temperature range.
The operation principle of dilution air plant according to embodiments of the present invention is as follows:
First blower fan 190 and the second blower fan 200 can realize the circulation of indoor and outdoor air.
New wind enters room 111 between new wind via new wind entrance 1111, after entering filter 130 purification, enters distributary board-like In heat exchanger 120, and between return air, the return air in room 114 carries out heat exchange, and with the temperature difference inside and outside balance cylinder, then, new wind enters and send Room between wind, once carries out, through heat exchanger 140, vaporizer 150, the backheat that dehumidifies, and after deodorizing purifier 170 purifies, by the first wind Machine 190 is through air-supply outlet 1131 feeding indoor, to complete to change wind.
Pattern switching rotary valve 220 regulates angle according to indoor carbon dioxide concentration, changes new return air ratio, it is achieved indoor oxygen Concentration controls, and makes room air keep freshness.
Heat pump 160 according to temperature sensor detection 240 to temperature differentiate refrigeration, heating operation mode, pass through Four-way change-over valve 161 switches refrigerant flow direction, and regulation compressor 163 running frequency is with temperature constant after maintenance vaporizer 150.
Having the beneficial effect that of dilution air plant according to embodiments of the present invention:
1, pattern switching rotary valve is by regulation angle, changes new return air ratio, it is achieved that indoor oxygen concentration controls, it is to avoid mistake Measuring the energy waste that new wind is caused, enclosed can realize room air rapid moisture removal when running simultaneously；
2, frequency conversion direct-evaporation-type refrigeration application with the dehumidification fresh air of radiation cooling warm air conditioner system support in adopt Having compared plurality of advantages with the dehumidification fresh air of surface cooler: a. degree of depth dehumidifies, b. unit efficiency is high, c. dehumidifying effect modulability Good, stability is high, and d. and air-conditioning system unit set up separately, are greatly improved radiation air-conditioner unit eer.
3, distributary plate type heat exchanger reclaims air draft energy, reduces operation energy consumption；
4, the setting of heat exchange of heat pipe, makes the air before and after vaporizer carry out heat exchange, had both reduced vaporizer Load, again to air reheating after dehumidifying, improves wind pushing temperature and indoor comfort degree；
5, PM2.5 filter solves the room ventilation problem of haze weather；
6, deodorizing purifier has completely cut off newly constructed house owing to the environmental pollution caused of decorateing is on first not moving in the impact that person causes.
Fig. 3 is the structural representation that the present invention has the controller of refrigerating function；
In figure 3, the implication that each reference represents is as follows；1, housing；2, pcb board；11, cooling fan；12, filter Device；13, cooling line；14, sliding axle；15, valve plate；16, gas outlet；17, coil；19, spring support；20, exhaust outlet； 21, coil fixing body；22, electronic component；23, spring.
Controller includes housing 1 and pcb board 2, and first of pcb board 2 is provided with electronic component 22, and pcb board is provided with For electrically connecting the electronic circuit of electronic component 22, electronic circuit being in series with the coil 17 of electrically operated valve, coil 17 is set in On the coil fixing body 21 being connected fixing with valve plate 15, when coil 17 is moved, coil fixing body 21 also can drive valve plate 15 are moved, and coil 17 is arranged in magnetic field, and the direction in magnetic field is in the drawings by representing, magnetic field can be produced by U magnet, magnetic Field is for controlling the valve core movement openings of sizes with change electrically operated valve, and it is axial that the magnetic induction line in magnetic field is perpendicular to coil, electronic The opening part of valve is provided with the spring 23 being connected with valve plate 15, and spring 23 is set on sliding axle 14, sliding axle 14 also with valve Plate 15 is fixing to be connected, and the other end of spring 23 is against on the spring support 19 being fixedly mounted on cooling line 13, and spring 23 is used In promoting valve plate 15 to close the opening of electrically operated valve, electrically operated valve is arranged on cooling line 13, the gas outlet of electrically operated valve 16 setting directions are that cooling line 13 is positioned at the second of pcb board 2 so that the air-flow sprayed by opening sprays towards electronic component 22 Side, face, second is the reverse side of first, and cooling line 13 fills with cooling gas input device or cooling gas Put connection.
Wherein the air inlet of cooling line 13 uses the mode from housing external admission, particularly, by cooling gas inlet Device air inlet, through defecator 12, then has cooling fan 11 to be blown in cooling line 13.
When using gas produced by the cooling gas or cooling gas generating unit introduced from the external world, pass through pipeline The electronic component 22 importing to heating is other, it is possible to use temperature lower, the most heated by other electronic component 22 These electronic components 22 are cooled down by cooling gas, and cooling effect is more preferable, and rate of cooling faster, is beneficial to realize electricity The temperature of sub-element 22 maintains in lower level.And, by coil 17 being connected in series to circuit board in order to connect electronics unit In the circuit of part 22, when electronic component 22 more needs to dispel the heat, and all thermal powers produced by it, derive from electrical power, and Electrical power is the biggest, and its electric current is the biggest, so coil 17 can produce bigger active force, band moving winding fixing body 21 and valve The plate 15 right side in figure is moved, to resist elastic force produced by spring 23.When bigger elastic force can be produced, its elastic shape Becoming the biggest so that the opening of electrically operated valve is the biggest, the flow of the cooling gas that it can pass through is the biggest, and cooling capacity is more By force.It is achieved thereby that the different cooling effects of the electronic component 22 for different operating temperature, or for same electronic component 22, Different cooling effects when different temperatures, thus improve cooling gas input device or cooling gas generating unit exists Import work efficiency during equal number cooling gas, improve cooling capacity.
Spring in Fig. 3 is spiral compression spring, and this spring is used for promoting valve plate, so that gas outlet is closed, it is also possible to Replacing with spiral stretching spring and torsionspring, those skilled in the art all can be according to the design of the application without creative labor Move and be directly realized by these technical schemes；It addition, controller noted above uses introduces cooling gas by the way of air inlet, real Liquid nitrogen can also be utilized on border to produce the nitrogen of cooling, it is achieved cooling, use the mode of liquid nitrogen to cool down, not only gas Temperature is the lowest, and cooling capacity is strong, and the dust that will not produce in air cooling pollutes electronical elements surface, reduces electronics unit The problem of part heat-sinking capability.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more, unless separately There is the most concrete restriction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc. Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, revises, replaces and modification.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624223.4A CN106051997A (en) | 2016-08-02 | 2016-08-02 | Air exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610624223.4A CN106051997A (en) | 2016-08-02 | 2016-08-02 | Air exchange device |
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| CN106051997A true CN106051997A (en) | 2016-10-26 |
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