CN206771641U - A kind of difference fresh air purifier - Google Patents
A kind of difference fresh air purifier Download PDFInfo
- Publication number
- CN206771641U CN206771641U CN201720481023.8U CN201720481023U CN206771641U CN 206771641 U CN206771641 U CN 206771641U CN 201720481023 U CN201720481023 U CN 201720481023U CN 206771641 U CN206771641 U CN 206771641U
- Authority
- CN
- China
- Prior art keywords
- air
- storehouse
- heat exchange
- indoor
- outdoor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Central Air Conditioning (AREA)
Abstract
The utility model discloses a kind of difference fresh air purifier, it is the housing of sealing, housing is provided with indoor fresh air mouth, indoor return air mouth, outdoor air inlet and outdoor air outlet, heat exchange storehouse, wind chamber are provided with housing, pretreatment storehouse and post processing storehouse, indoor return air mouth and outdoor air inlet are connected to the both ends in heat exchange storehouse, and indoor fresh air mouth connects post processing storehouse by flow control valve with main air blower, outdoor air outlet connects wind chamber by secondary blower fan, and pretreatment storehouse is connected with post processing storehouse；The utility model uses new operation method by the structure of the difference fresh air purifier after improvement and to control system, ensure that the air pressure of interior is more than outdoor air pressure, ensures the stabilization of IAQ；Device heat exchanging storehouse itself is further improved, and facilitates the heat exchange of indoor air flow and outdoor airflow, and both are exchanged heat in the transmitting procedure of single heat exchange tube by dividing plate, time of contact length, and heat exchange efficiency is high.
Description
Technical field
It the utility model is related to Techniques for Indoor Air Purification field, more particularly to a kind of difference fresh air purifier.
Background technology
New indoor wind purification device is a kind of Domestic electrical equipment, and it has regulation temperature, automatic detection smog, filters off dirt
Angstrom, eliminate the functions such as peculiar smell and pernicious gas, Double-sterilization, release anion.The air cleaning facility emerging as one, from
Its functionally from the point of view of, itself be used for indoor and outdoors between air exchange, but be used as a normal room, itself
Be unlikely to be sealing, carry out ventilation only by new wind devices, window, door or the various gaps in room be it is indoor and
Outdoor ventilation approach.
Therefore the defects of traditional new wind devices exist in the process of running is mainly that new wind devices are being divulged information and taken a breath
When, be in itself by the air-flow after fresh air equipment clean it is clean, still, due to the running of VMC, indoor integrated environment
Converted at any time with the air pressure of outdoor environment, when indoor integrated environment air pressure is high, not only VMC can be thought outdoor defeated
Go out air-flow, and the air-flow of high pressure can be discharged indoor by modes such as window or crack between a door and its frames；When indoor integrated environment air pressure is relatively low
When, outdoor air-flow can be got in by modes such as window or crack between a door and its frames, because these air-flows are without fresh air purifying system
Air after system purification, can directly affect the actual air environment of interior, substantially increase simultaneously for fresh air purifier in itself
The purification speed of indoor circulation pattern.
The content of the invention
For above-mentioned problem, the utility model purpose is to provide a kind of guarantee indoor air purification effect, side
Just the purification efficiency circulated in VMC, good effect of heat exchange, ensure that interior is constantly in the difference fresh air of pressure-fired environment
Clearing machine and operation method.
In order to achieve the above object, the technical solution adopted in the utility model is as follows：A kind of difference fresh air purifier, institute
The fresh air purifier stated is the housing of sealing, and housing is provided with indoor fresh air mouth, and indoor return air mouth, outdoor air inlet and outdoor go out
Air port, described housing is interior to be provided with heat exchange storehouse, wind chamber, pretreatment storehouse and post processing storehouse, indoor return air mouth and outdoor air inlet
The both ends in heat exchange storehouse are connected to, described indoor fresh air mouth passes through flow control valve T1Post processing storehouse is connected with main air blower,
Outdoor air outlet connects wind chamber by secondary blower fan, and pretreatment storehouse is connected with post processing storehouse.
More equally distributed heat exchanger tubes are provided with heat exchange storehouse of the present utility model, the middle part of heat exchanger tube, which will be provided with dividing plate, to be changed
Heat pipe is separated into air inlet pipeline and exhaust pipeline, and the air inlet pipeline of more heat exchanger tubes is cascaded, the air draft of more heat exchanger tubes
Pipeline is cascaded, and one end of air inlet pipeline passes through flow control valve T2It is connected in outdoor air inlet, the other end is connected to
In pretreatment storehouse, one end of exhaust pipeline is connected on indoor return air mouth, and the other end is connected on wind chamber, and described interior is returned
Air port is provided with three way flow control valve T3, backwind tube is provided with described heat exchange storehouse, the connection of interior circulation port is provided with heat exchange storehouse
Pretreatment storehouse, described three way flow control valve T3Backwind tube, exhaust pipeline and indoor return air mouth are connected respectively.
As a kind of improvement of the present utility model, coarse filtration sieve is equipped with described indoor return air mouth and outdoor air inlet
Net；The air inlet of indoor return air mouth and the main used VMC of outdoor air inlet, need only to carry out letter by screen cloth herein
Single-filtering, avoid the large granular impurity in air or dust from entering directly into heat-exchange system, carried out by coarse filtration screen cloth
Simple filtration.
As a kind of improvement of the present utility model, multiple air outlets are evenly distributed with described backwind tube, backwind tube leads to
Air outlet connection is crossed in heat exchange storehouse, described interior circulation port is provided with control air-valve T4；The main purpose of backwind tube is to ensure
The operating temperature to exchange heat in the shell side of storehouse, therefore the air-flow of indoor higher temperature is passed into heat exchange by indoor return air mouth by backwind tube
In the shell side in storehouse, air-flow is uniformly distributed by multiple air outlets so that heat exchange keeps homogeneous heat-exchange temperature in storehouse, ensures heat exchange
Effect.
As a kind of improvement of the present utility model, ultraviolet component, photocatalysis component, absorption are provided with described post processing storehouse
One or more in component, electrostatic component, anion component；In the post processing storehouse of VMC, according to actual conditions or
The demand of person's customization, one-level or multistep treatment are carried out to air, meet the process demand of different air.
As a kind of improvement of the present utility model, control system, described flow control valve T are provided with described housing1、
T2, three way flow control valve T3, control air-valve T4, main air blower, secondary blower fan and post processing storehouse are both connected in control system；This reality
With the operation of new switch and blower fan by the multiple valves of control system centralized Control, control is accurate, passes through multiple valves and wind
The combined running of machine, ensure the environment of indoor pressure-fired.
A kind of operation method of difference fresh air purifier of the present utility model, described operation method include following several
Pattern：
1）Fresh air pattern：Open flow control valve T1、T2And main air blower, close three way flow control valve T3, control air-valve T4
With secondary blower fan, by outdoor air inlet and indoor fresh air mouth, it is continuously interior and is passed through lasting fresh air, ensure that room pressure is more than room
Outer air pressure.
2) fresh air pattern is circulated：Open flow control valve T1、T2And main air blower, pass through outdoor air inlet and indoor fresh air
Mouthful, it is continuously interior and is passed through lasting fresh air, simultaneously, opens three way flow control valve T3With secondary blower fan, pass through indoor return air
Mouth and outdoor air outlet, persistently discharge room air；Controlled by control system, the exhaust air rate of main air blower is more than the row of time blower fan
Air quantity, flow control valve T1Throughput be more than three way flow control valve T3Throughput, ensure room pressure be more than outdoor gas
Pressure.
3）Interior circulation pattern：Open flow control valve T1, three way flow control valve T3, control air-valve T4And main air blower, close
Secondary blower fan, is controlled by control system, flow control valve T1Throughput be more than three way flow control valve T3Throughput, housing
Interior negative pressure opens flow control valve T by not timing2Supplemented, ensure that room pressure is more than outdoor air pressure.
In operation method of the present utility model, it is necessary to by opening flow control valve T before circulation fresh air pattern operation1、
Three way flow control valve T3, control air-valve T4And main air blower, heat exchanging is preheated inside storehouse, after the completion of preheating, circulates fresh air mould
Formula operates；In fresh air pattern is circulated, the air of indoor and outdoors circulation is exchanged heat by heat exchanger tube, and is exchanged heat in storehouse
What portion did not circulated substantially, therefore improve heat transfer effect, it is necessary to by being preheated inside heat exchanging storehouse before its operation.
In operation method of the present utility model, in three way flow control valve T3In the process of running, control system point is passed through
Throughput that Kong Zhi be in exhaust pipeline and backwind tube, the ratio in control room between return air inlet discharge air-flow and reflux airflow,
Three way flow control valve of the present utility model also has a special effect, and the air-flow for being passed through indoor return air mouth is mainly divided into by it
Two strands, one discharge is outdoor, and another stock reenters interior by interior circulation, and the flow-rate ratio between both passes through three-way flowrate
Control valve is uniformly controlled, and is flexibly switched according to the practical operation situation of device.
The utility model has the advantage of：The utility model by the structure of the difference fresh air purifier after improvement and
New operation method is used to control system, in the various modes of fresh air purifier operation：Fresh air pattern, circulate fresh air pattern or
In interior circulation pattern, it ensure that the air pressure of interior is more than outdoor air pressure so that interior is constantly in micro- always
The environment of malleation, avoid outdoor air and enter interior from other approach, can not only ensure the stabilization of IAQ,
And when carrying out indoor interior circulate operation, the air entered in indoor return air mouth is all cleaned sky once
Gas, without carrying out double purification operation, there is provided the operating efficiency of interior circulate operation.
Simultaneously, device heat exchanging storehouse itself is further improved, and facilitates indoor air flow and outdoor airflow right
Heat exchange during stream, both are not directly contacted with convection process, but both lead in the transmitting procedure of single heat exchange tube
Cross dividing plate to be exchanged heat, time of contact length, heat exchange efficiency is high；And in interior circulate operation, the inside in heat exchanging storehouse is carried out in advance
Heat, facilitate it is follow-up outdoor airflow is exchanged heat, energy utilization is abundant.
Brief description of the drawings
Fig. 1 is device overlooking the structure diagram of the present utility model；
Fig. 2 is heat exchanging pipe sectional structure chart of the present utility model.
Wherein, T1 Flow control valve, T2 Flow control valve, T3 Three way flow control valve, T4 Control air-valve, 1 housing, 2
Outdoor air inlet, air outlet outside Room 3,4 indoor return air mouths, 5 indoor air inlets, 6 heat exchange storehouses, 7 pretreatment storehouses, 8 post processings
Storehouse, 9 wind chambers, 10 main air blowers, No. 11 blower fans, 12 heat exchanger tubes, 13 air inlet pipelines, 14 exhaust pipelines, 15 backwind tubes,
16 coarse filtration screen clothes, 17 control systems, 18 dividing plates.
Embodiment
Explanation and embodiment are described in further detail to the utility model below in conjunction with the accompanying drawings.
Embodiment 1：A kind of difference fresh air purifier as illustrated in fig. 1 and 2, described fresh air purifier are the shell of sealing
Body 1, housing 1 are provided with indoor fresh air mouth 5, indoor return air mouth 4, outdoor air inlet 2 and outdoor air outlet 3, in described housing 1
Provided with heat exchange storehouse 6, wind chamber 9, pretreatment storehouse 7 and post processing storehouse 8, indoor return air mouth 4 and outdoor air inlet 2 are connected to and changed
The both ends in hot storehouse 6, described indoor fresh air mouth 5 pass through flow control valve T1Post processing storehouse 8, outdoor air-out are connected with main air blower 10
Mouth 3 connects wind chamber 9 by secondary blower fan 11, and pretreatment storehouse 7 is connected with post processing storehouse 8.
Be provided with more equally distributed heat exchanger tubes 12 in heat exchange storehouse 6 of the present utility model, the middle part of heat exchanger tube 12 provided with every
Heat exchanger tube 12 is separated into air inlet pipeline 13 and exhaust pipeline 14 by plate 18, and the air inlet pipeline 13 of more heat exchanger tubes 12 is connected on one
Rise, the exhaust pipeline 14 of more heat exchanger tubes 12 is cascaded, and one end of air inlet pipeline 13 passes through flow control valve T2It is connected to
In outdoor air inlet 2, the other end is connected in pretreatment storehouse 7, and one end of exhaust pipeline 14 is connected on indoor return air mouth 4, separately
One end is connected on wind chamber 9, and described indoor return air mouth 4 is provided with three way flow control valve T3, set in described heat exchange storehouse 6
There is backwind tube 15, interior circulation port connection pretreatment storehouse 7, described three way flow control valve T are provided with heat exchange storehouse 63Connect respectively
Backwind tube 15, exhaust pipeline 14 and indoor return air mouth 4.
Embodiment 2：As illustrated in fig. 1 and 2, it is equipped with coarse filtration screen cloth 16 in indoor return air mouth 4 and outdoor air inlet 2；It is indoor
The air inlet of return air inlet 4 and the main used VMC of outdoor air inlet 2, needs only to carry out letter by coarse filtration screen cloth 16 herein
Single-filtering, the large granular impurity in air or dust is avoided to enter directly into heat-exchange system.
Embodiment 3：As illustrated in fig. 1 and 2, multiple air outlets are evenly distributed with backwind tube 15, backwind tube 15 passes through air-out
In heat exchange storehouse 6, described interior circulation port is provided with control air-valve T for mouth connection4；The main purpose of backwind tube 15 is to ensure heat exchange
Operating temperature in the shell side of storehouse 6, therefore the air-flow of indoor higher temperature is passed into heat exchange by indoor return air mouth 4 by backwind tube 15
In the shell side in storehouse 6, air-flow is uniformly distributed by multiple air outlets so that heat exchange keeps homogeneous heat-exchange temperature in storehouse 6, ensures to change
Thermal effect.
Embodiment 4：As illustrated in fig. 1 and 2, post-process and ultraviolet component, photocatalysis component, absorbent module, electrostatic are provided with storehouse 8
One or more in component, anion component；In the post processing storehouse 8 of VMC, determined according to actual conditions or client
The demand of system, one-level or multistep treatment are carried out to air, meet the process demand of different air.
Embodiment 5：As illustrated in fig. 1 and 2, control system 17, described flow control valve T are provided with housing 11、T2, threeway
Flow control valve T3, control air-valve T4, main air blower 10, secondary blower fan 11 and post processing storehouse 8 are both connected in control system 17；This reality
With the operation of new switch and blower fan by the multiple valves of the centralized Control of control system 17, control is accurate, by multiple valves and
The combined running of blower fan, ensure the environment of indoor pressure-fired.
Embodiment 6：As illustrated in fig. 1 and 2, the operation method of a kind of difference fresh air purifier provided by the utility model,
Its specific operation method is as follows：
Fresh air pattern：Open flow control valve T1、T2With main air blower 10, three way flow control valve T is closed3, control air-valve T4
With secondary blower fan 11, by outdoor air inlet 2 and indoor fresh air mouth 5, it is continuously interior and is passed through lasting fresh air, ensure that room pressure is big
In outdoor air pressure.
Embodiment 7：As illustrated in fig. 1 and 2, the operation method of a kind of difference fresh air purifier of the present utility model, it has
The operation method of body is as follows：
Circulate fresh air pattern：Open flow control valve T1、T2With main air blower 10, pass through outdoor air inlet 2 and indoor fresh air mouth
5, it is continuously interior and is passed through lasting fresh air, simultaneously, opens three way flow control valve T3With secondary blower fan 11, pass through indoor return air
Mouth 4 and outdoor air outlet 3, persistently discharge room air；Controlled by control system 17, the exhaust air rate of main air blower 10 is more than time wind
The exhaust air rate of machine 11, flow control valve T1Throughput be more than three way flow control valve T3Throughput, ensure that room pressure is more than
Outdoor air pressure.
It is preceding, it is necessary to by opening flow control valve T to circulate the operation of fresh air pattern1, three way flow control valve T3, control air-valve
T4With main air blower 10, preheated inside heat exchanging storehouse 6, after the completion of preheating, the pattern operation of circulation fresh air；In circulation fresh air pattern
In, the air of indoor and outdoors circulation is exchanged heat by heat exchanger tube 12, and exchanges heat what the inside of storehouse 6 was not circulated substantially,
Therefore heat transfer effect is improved, it is necessary to by being preheated inside heat exchanging storehouse 6 before its operation.
Embodiment 8：As illustrated in fig. 1 and 2, the operation method of a kind of difference fresh air purifier provided by the utility model,
Its specific operation method is as follows：
Interior circulation pattern：Open flow control valve T1, three way flow control valve T3, control air-valve T4With main air blower 10, close
Secondary blower fan 11, is controlled by control system 17, flow control valve T1Throughput be more than three way flow control valve T3Throughput,
Negative pressure opens flow control valve T by not timing in housing 12Supplemented, ensure that room pressure is more than outdoor air pressure.
Embodiment 9：As illustrated in fig. 1 and 2：In operation method of the present utility model, in three way flow control valve T3Running
During, control the throughput in exhaust pipeline 14 and backwind tube 15 respectively by control system 17, the row of return air inlet 4 in control room
The ratio gone out between air-flow and reflux airflow, three way flow control valve T of the present utility model3Special role, it mainly will be logical
The air-flow for entering indoor return air inlet 4 is divided into two strands, and one discharge is outdoor, and another stock reenters interior by interior circulation, both
Between flow-rate ratio pass through three way flow control valve T3It is uniformly controlled, is flexibly switched according to the practical operation situation of device.
It should be noted that above-mentioned is only preferred embodiment of the present utility model, not it is used for limiting the utility model
Protection domain, any combination or equivalents made on the basis of above-described embodiment belong to guarantor of the present utility model
Protect scope.
Claims (5)
1. a kind of difference fresh air purifier, described fresh air purifier is the housing of sealing, and housing is provided with indoor fresh air mouth,
Indoor return air mouth, outdoor air inlet and outdoor air outlet, it is characterised in that heat exchange storehouse, wind chamber are provided with described housing, in advance
Storehouse and post processing storehouse are handled, indoor return air mouth and outdoor air inlet are connected to the both ends in heat exchange storehouse, described indoor fresh air
Mouth passes through flow control valve T1Post processing storehouse is connected with main air blower, outdoor air outlet connects wind chamber, pretreatment by secondary blower fan
Storehouse is connected with post processing storehouse；
More equally distributed heat exchanger tubes are provided with described heat exchange storehouse, heat exchanger tube is separated into by the middle part of heat exchanger tube provided with dividing plate
Air inlet pipeline and exhaust pipeline, the air inlet pipeline of more heat exchanger tubes are cascaded, and the exhaust pipeline of more heat exchanger tubes is connected on
Together, one end of air inlet pipeline passes through flow control valve T2It is connected in outdoor air inlet, the other end is connected in pretreatment storehouse,
One end of exhaust pipeline is connected on indoor return air mouth, and the other end is connected on wind chamber, and described indoor return air mouth is provided with
Three way flow control valve T3, backwind tube is provided with described heat exchange storehouse, being provided with interior circulation port in heat exchange storehouse connects pretreatment storehouse, institute
The three way flow control valve T stated3Backwind tube, exhaust pipeline and indoor return air mouth are connected respectively.
2. difference fresh air purifier according to claim 1, it is characterised in that described indoor return air mouth and outdoor are entered
Coarse filtration screen cloth is equipped with air port.
3. difference fresh air purifier according to claim 1, it is characterised in that be evenly distributed with described backwind tube
Multiple air outlets, backwind tube are connected in heat exchange storehouse by air outlet, and described interior circulation port is provided with control air-valve T4。
4. the difference fresh air purifier according to claim 1 or 3, it is characterised in that be provided with described post processing storehouse
One or more in ultraviolet component, photocatalysis component, absorbent module, electrostatic component, anion component.
5. difference fresh air purifier according to claim 4, it is characterised in that control system is provided with described housing
System, described flow control valve T1、T2, three way flow control valve T3, control air-valve T4, main air blower, secondary blower fan and post processing storehouse are equal
It is connected in control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481023.8U CN206771641U (en) | 2017-05-03 | 2017-05-03 | A kind of difference fresh air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720481023.8U CN206771641U (en) | 2017-05-03 | 2017-05-03 | A kind of difference fresh air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206771641U true CN206771641U (en) | 2017-12-19 |
Family
ID=60650169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720481023.8U Active CN206771641U (en) | 2017-05-03 | 2017-05-03 | A kind of difference fresh air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206771641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949594A (en) * | 2017-05-03 | 2017-07-14 | 江苏中科睿赛污染控制工程有限公司 | A kind of difference fresh air purifier and operation method |
| CN108716742A (en) * | 2018-06-15 | 2018-10-30 | 胡祥 | A kind of air intake adjusting device of fresh air purifier |
| CN109059100A (en) * | 2018-06-11 | 2018-12-21 | 成都赋阳技术开发有限公司 | A kind of air disinfection and purification system |
-
2017
- 2017-05-03 CN CN201720481023.8U patent/CN206771641U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949594A (en) * | 2017-05-03 | 2017-07-14 | 江苏中科睿赛污染控制工程有限公司 | A kind of difference fresh air purifier and operation method |
| CN109059100A (en) * | 2018-06-11 | 2018-12-21 | 成都赋阳技术开发有限公司 | A kind of air disinfection and purification system |
| CN109059100B (en) * | 2018-06-11 | 2020-11-17 | 深圳雅尔典环境技术科技有限公司 | Air disinfection and purification system |
| CN108716742A (en) * | 2018-06-15 | 2018-10-30 | 胡祥 | A kind of air intake adjusting device of fresh air purifier |
| CN108716742B (en) * | 2018-06-15 | 2020-12-11 | 江苏帝源智能设备有限公司 | Air inlet adjusting device of fresh air purifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204202083U (en) | Ventilation equipment | |
| CN206771641U (en) | A kind of difference fresh air purifier | |
| CN207751074U (en) | Ring Window frame-type indoor air conditioner | |
| CN107990428A (en) | Domestic hanging air conditioner | |
| CN206191746U (en) | Medical air purification system of weak torrent | |
| CN204611974U (en) | Degree of depth dehumidifying VMC | |
| CN206361808U (en) | The weak turbulent air cleaning system of adjustable cleanliness factor and apply its operating room | |
| CN108168016A (en) | Dehumidify fresh air pretreatment all-in-one machine | |
| KR101407888B1 (en) | The air handling unit with bypass function and attached exhaust heatexchanger | |
| CN219140955U (en) | Clean room air conditioning system | |
| CN207585005U (en) | A kind of Household fresh air system | |
| CN105485823A (en) | Fresh air ventilator and fresh air ventilator unit | |
| WO2013083002A1 (en) | Air supply and exhaust system for tunnel-type sterilizing dryer | |
| CN205372916U (en) | Indoor air supply system | |
| CN104697048A (en) | Indoor air optimizing device | |
| CN204421229U (en) | Humidification hot type Bidirectional air exchanging machine | |
| CN109945329A (en) | Low temperature isolator air-conditioning system for the production of medicine enterprise | |
| CN104596018B (en) | Humidifying type Bidirectional air exchanging machine | |
| CN207815516U (en) | Domestic hanging air conditioner | |
| CN207881058U (en) | Passive room monoblock type fresh air conditioner dehumidifying integrated machine | |
| CN211290433U (en) | Integrated form operating room clean system of low energy consumption | |
| CN207881092U (en) | Dehumidify fresh air pretreatment all-in-one machine | |
| CN206430263U (en) | A kind of New-air purifying system with air conditioner dehumidification function | |
| CN211451198U (en) | Energy recovery fresh air ventilator unit | |
| CN106949594A (en) | A kind of difference fresh air purifier and operation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |