CN207881090U - New indoor ventilation equipment - Google Patents
New indoor ventilation equipment Download PDFInfo
- Publication number
- CN207881090U CN207881090U CN201820140452.3U CN201820140452U CN207881090U CN 207881090 U CN207881090 U CN 207881090U CN 201820140452 U CN201820140452 U CN 201820140452U CN 207881090 U CN207881090 U CN 207881090U
- Authority
- CN
- China
- Prior art keywords
- air
- binary channels
- partition board
- shell
- air hose
- 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
Abstract
New indoor ventilation equipment belong to indoor air purification equipment technical field, including shell, partition board A, B, C, inner wind outlet A, B, air-inlet cavity, pressure fan, binary channels air hose, return air inlet A, B, unidirectional air-valve, mixer selector valve；Binary channels air hose is arranged in air-inlet cavity including binary channels air hose outer tube, that is, blast pipe and binary channels air hose inner tube, that is, exhaust duct；Return air inlet A settings are arranged in air-inlet cavity bottom, unidirectional air-valve on return air inlet A；Binary channels air hose inner tube right part prominent, formed inner tube nose section, exhaust duct to outside binary channels air hose outer tube interlink with return air inlet A；Binary channels air hose outer tube is provided with outer tube air hole, and binary channels air hose inner tube nose section is provided with inner tube air hole；Inner wind outlet A is arranged in the middle part of partition board A；Bottom centre position is arranged in shell in partition board C；Mixer selector valve is arranged above partition board C, is rotatablely connected with the upper ends partition board C；The utility model has the beneficial effects that：Install it is laborsaving, to wall damage small, room air pollution energy purification.
Description
Technical field
The utility model is indoor ventilation equipment, more particularly to new indoor ventilation equipment, belongs to indoor air purification and sets
Standby technical field.
Background technology
In order to ensure that room air is fresh, often not only need ventilation equipment that indoor air is discharged, it is also necessary to by room
Outer fresh air is sent into interior, so needing while blast pipe and exhaust duct being arranged.Traditional ventilation equipment are on wall
2 holes are opened, an installation blast pipe is responsible for outdoor fresh air introduction, and an exhaust duct is responsible for indoor waste air discharge.In this way, installation
A set of indoor air handler needs to make a call to 2 holes on the wall, not only install it is time-consuming and laborious, cumbersome, but also to wall
The damage comparison of body is big, is unfavorable for the sound insulation of wall and heat-insulated.
Traditional ventilation equipment are simple that outdoor air feeding is indoor, and when outdoor air pollution is heavier, nothing
Method introduces interior, or when outdoor temperature is relatively low, and introduction outdoor air is affected to indoor temperature, to room air pollution
Purification is just without good solution.
Utility model content
The purpose of this utility model is to be directed to above-mentioned indoor air handler in the prior art, and there are take when installation fee
It is power, big to the damage comparison of wall and to the insurmountable defect of the purification of room air pollution, provide new indoor
Ventilation equipment can reach and install more time saving and energy saving and small to the damage comparison of wall and can solve room air pollution
The purpose of purification.
To achieve the goals above the technical scheme adopted by the utility model is that：New indoor ventilation equipment, including shell,
Air outlet, partition board A, inner wind outlet A, partition board B, inner wind outlet B, filter device A, filter device B, air-inlet cavity, wind turbine chamber, air-supply
Machine, air-out chamber；In shell upper end, lower part is arranged in shell in the partition board A for the air outlet setting, and inner wind outlet A settings exist
In the middle part of partition board A, in shell internal upper part, inner wind outlet B is arranged in the middle part of partition board B for the partition board B settings, and partition board A and partition board B are horizontal
Setting；The filter device A is arranged in shell between middle part, partition board A and partition board B, and the filter device B is arranged in partition board B
Between air outlet；
The air-inlet cavity is arranged in shell right lower quadrant, between partition board A right parts and shell lower right side, and the wind turbine chamber is in mistake
Between filtering device A and partition board B, the blower setting is in wind turbine intracavitary；The air-out chamber is between partition board B and shell upper end；
Further include binary channels air hose, return air inlet A, unidirectional air-valve, exhaust blower, partition board C, mixer selector valve, return air chamber, return air inlet B
And controller；The return air inlet A settings are arranged in air-inlet cavity bottom, the unidirectional air-valve on return air inlet A；The exhaust blower is set
It sets on the outside of unidirectional air-valve；
The binary channels air hose is arranged in the right side of shell, and binary channels air hose includes binary channels air hose outer tube and binary channels
Air hose inner tube, binary channels air hose outer tube, that is, blast pipe, binary channels air hose inner tube, that is, exhaust duct；The binary channels air hose inner tube setting
In the centre of binary channels air hose outer tube, binary channels air hose inner tube right part prominent, formed inner tube to outside binary channels air hose outer tube
Nose section；Blast pipe is communicated with air-inlet cavity；Exhaust duct interlinks with return air inlet A；Binary channels air hose outer tube diameter is 50-250mm,
Binary channels air hose diameter of inner pipe is 20-200mm, and binary channels air hose outer tube diameter is more than the diameter of inner pipe of binary channels air hose；Bilateral
Road air hose outer tube is provided with outer tube air hole, and binary channels air hose inner tube nose section is provided with inner tube air hole；
The inner wind outlet A is arranged in the middle part of partition board A；Bottom centre position, partition board C is arranged in shell in the partition board C
It is vertically arranged, the lower ends partition board C are fixedly connected with shell bottom side, and the upper ends partition board C are below inner wind outlet A；The mixer selector valve setting
Above partition board C, mixer selector valve bottom end is rotatablely connected with the upper ends partition board C；Lower left quarter is arranged in shell, in partition board in the return air chamber
Between A left parts and shell lower left side, return air chamber is made of partition board A left parts, partition board C and shell lower left side, the return air inlet B settings
In return air chamber bottom, return air inlet A and return air inlet B are communicated with interior；The controller is arranged in return air chamber, right side；
Controller can control mixer selector valve and turn left and right to any part, when mixer selector valve turns to return air chamber side, return air
Chamber is closed, binary channels air hose outer tube, air-inlet cavity, entire inner wind outlet A, filter device A, wind turbine chamber, inner wind outlet B, filtering dress
Set B, air-out chamber and air outlet composition fresh air air intake passage；When mixer selector valve turns to air-inlet cavity side, air-inlet cavity is closed, return air
Mouth B, return air chamber, entire inner wind outlet A, filter device A, wind turbine chamber, inner wind outlet B, filter device B, air-out chamber and air outlet
The indoor waste air return air channel of composition；When mixer selector valve turns to left side to any part between right side, air-inlet cavity and return air chamber are equal
It partially opens, the outdoor fresh air entered by binary channels air hose outer tube, air-inlet cavity is dirty with the interior by return air inlet B, return air chamber entrance
Wind is mixed in inner wind outlet A, is formed using filter device A, wind turbine chamber, inner wind outlet B, filter device B, air-out chamber and air outlet
Mixed wind air intake passage.
The binary channels air hose outer tube diameter is 100mm, and binary channels air hose diameter of inner pipe is 60mm.
The air-inlet cavity is arranged in shell lower left quarter, between partition board A left parts and shell lower left side, the binary channels air hose
It is arranged on the left of shell；Right lower quadrant is arranged in shell, between partition board A right parts and shell lower right side in the return air chamber.
The binary channels air hose is arranged in back side of shell.
The binary channels air hose includes binary channels air hose inner tube and binary channels air hose outer tube, and the binary channels air hose inner tube is
Blast pipe, blast pipe are communicated with air-inlet cavity；The binary channels air hose outer tube is exhaust duct, and exhaust duct is connected with return air inlet A.
The material of the air inlet filtering device A and air inlet filtering device B is primary filter screen, middle effect strainer, HEPA nets, activity
Charcoal, photocatalyst net, electrostatic net, cold catalyst net or the auxiliary heat of electricity, or mix composition for the different materials in above-mentioned material.
Compared with prior art, the utility model has the beneficial effects that：
Ventilation equipment traditional 1 ﹚ of ﹙ are that 2 holes are opened on wall, and an installation blast pipe is responsible for outdoor fresh air introduction, separately
One installation exhaust duct is responsible for indoor waste air discharge, installs cumbersome.By opening 1 hole, then the utility model is
A binary channels air hose is placed, air draft and air-supply is realized, installs and be easier, it is more time saving and energy saving not only to install, but also
It is small to the damage comparison of wall, it is installed relative to original equipment, is conducive to the sound insulation of wall and heat-insulated.
Ventilation equipment traditional 2 ﹚ of ﹙ be it is simple outdoor air is sent into it is indoor, and when outdoor air pollution is heavier,
Interior can not be introduced, or when outdoor temperature is relatively low, and introduction outdoor air is affected to indoor temperature, to room air pollution
Purification just without good solution；The utility model can be discharged directly to indoor pollution air outdoor, also may be used
By purified treatment, interior is re-introduced by indoor waste air return air channel and mixed wind air intake passage, solves room air pollution
Purification problem.
Description of the drawings
Fig. 1 is：1 structure chart of the utility model embodiment；
Fig. 2 is：The portions the A enlarged drawing of Fig. 1；
Fig. 3 is：Binary channels air hose stereo amplification figure；
Fig. 4 is：2 structure chart of the utility model embodiment；
Fig. 5 is：3 structure chart of the utility model embodiment.
Reference sign：Shell 1, air outlet 2, partition board A 3, inner wind outlet A 4, partition board B 5, inner wind outlet B 6, mistake
Filter device A 7, filter device B 8, air-inlet cavity 9, wind turbine chamber 10, pressure fan 11, air-out chamber 12, binary channels air hose 13, binary channels
Air hose outer tube 1301, binary channels air hose inner tube 1302, inner tube nose section 1303, return air inlet A 14, unidirectional air-valve 15, partition board C
16, mixer selector valve 17, return air chamber 18, return air inlet B 19, controller 20.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as to the utility model
Restriction.
Embodiment 1：
As shown in Figure 1 to Figure 3, new indoor ventilation equipment, including shell 1, air outlet 2, partition board A 3, inner wind outlet A
4, partition board B 5, inner wind outlet B 6, filter device A 7, filter device B 8, air-inlet cavity 9, wind turbine chamber 10, pressure fan 11, outlet air
Chamber 12；For the setting of the air outlet 2 in 1 upper end of shell, lower part is arranged in shell 1 in the partition board A 3, and inner wind outlet A 4 is arranged
At 3 middle parts partition board A, the settings of partition board B 5 are in 1 internal upper part of shell, and the settings of inner wind outlet B 6 are in 5 middle parts partition board B, partition board A
3 and partition board B 5 is horizontally disposed；The settings of filter device A 7 are described between the interior middle part of shell 1, partition board A 3 and partition board B 5
Filter device B 8 is arranged between partition board B 5 and air outlet 2；
The air-inlet cavity 9 is arranged in 1 right lower quadrant of shell, between 1 lower right side of 3 right parts of partition board A and shell, the wind turbine
Between filter device A 7 and partition board B 5, the pressure fan 11 is arranged in wind turbine chamber 10 chamber 10；The air-out chamber 12 every
Between 1 upper end plate B 5 and shell；
Further include binary channels air hose 13, return air inlet A 14, unidirectional air-valve 15, exhaust blower (not shown), partition board C 16,
Mixer selector valve 17, return air chamber 18, return air inlet B 19 and controller 20；The return air inlet A 14 is arranged in 9 bottom of air-inlet cavity, the list
It is arranged on return air inlet A 14 to air-valve 15；The exhaust blower setting is in 15 outside of unidirectional air-valve；
The binary channels air hose 13 is arranged in the right side of shell 1, and binary channels air hose 13 includes binary channels air hose outer tube
1301 and binary channels air hose inner tube 1302, binary channels air hose outer tube 1301 is blast pipe, and binary channels air hose inner tube 1302 is air draft
Pipe；The binary channels air hose inner tube 1302 is arranged in the centre of binary channels air hose outer tube 1301, binary channels air hose inner tube
1302 right parts prominent, formed inner tube nose section 1303 to outside binary channels air hose outer tube 1301；Blast pipe is communicated with air-inlet cavity 9；Row
Air hose interlinks with return air inlet A 14；1301 a diameter of 100mm of binary channels air hose outer tube, binary channels air hose inner tube 1302 are a diameter of
60mm；Binary channels air hose outer tube 1301 is provided with outer tube air hole, and inner tube nose section 1303 is provided with inner tube air hole；
The settings of inner wind outlet A 4 are at 3 middle parts partition board A；Bottom interposition is arranged in shell 1 in the partition board C 16
It sets, partition board C 16 is vertically arranged, and 16 lower ends partition board C are fixedly connected with 1 bottom side of shell, and 16 upper ends partition board C are in inner wind outlet A 4
Lower section；The mixer selector valve 17 is arranged above partition board C 16, and 17 bottom end of mixer selector valve is rotatablely connected with 16 upper ends partition board C；Described time
Lower left quarter is arranged in shell 1, between 1 lower left side of 3 left parts of partition board A and shell in wind chamber 18, and return air chamber 18 is left by partition board A 3
Portion, partition board C 16 and 1 lower left side of shell composition, the return air inlet B 19 setting return air inlet A 14 and are returned in 18 bottom of return air chamber
Air port B 19 is communicated with interior；The setting of the controller 20 is in return air chamber 18, right side；
Controller 20 can control mixer selector valve 17 and turn left and right to any part, when mixer selector valve 17 turns to return air chamber 18 1
When side, return air chamber 18 is closed, binary channels air hose outer tube 1301, air-inlet cavity 9, entire inner wind outlet A 4, filter device A 7, wind turbine
Chamber 10, inner wind outlet B 6, filter device B 8, air-out chamber 12 and air outlet 2 form fresh air air intake passage；When mixer selector valve 17 rotates
When to 9 side of air-inlet cavity, air-inlet cavity 9 close, return air inlet B 19, return air chamber 18, entire inner wind outlet A 4, filter device A 7,
Wind turbine chamber 10, inner wind outlet B 6, filter device B 8, air-out chamber 12 and air outlet 2 form indoor waste air return air channel；Mixer selector valve
17 when turning to left side to any part between right side, and air-inlet cavity 9 and return air chamber 18 partially open, by binary channels air hose outside
The outdoor fresh air that pipe 1301, air-inlet cavity 9 enter, with the indoor waste air entered by return air inlet B 19, return air chamber 18 in inner wind outlet A
4 mixing are formed using filter device A 7, wind turbine chamber 10, inner wind outlet B 6, filter device B 8, air-out chamber 12 and air outlet 2
Mixed wind air intake passage.
The material of the air inlet filtering device A 7 and air inlet filtering device B 8 be primary filter screen, middle effect strainer, HEPA nets,
Activated carbon, photocatalyst net, electrostatic net, cold catalyst net or the auxiliary heat of electricity, or mix composition for the different materials in above-mentioned material.
Operating mode：(1) outer circulation pattern：When pressure fan 11 start, when mixer selector valve 17 turns to 18 side of return air chamber,
Return air chamber 18 is closed, and air-inlet cavity 9 is opened completely, and outdoor fresh air is got in through fresh air air intake passage, indoor formation gas positive pressure,
Waste air enters exhaust duct discharge outdoor through return air inlet A 14；
(2) interior circulation pattern：When pressure fan 11 starts, when mixer selector valve 17 turns to 9 side of air-inlet cavity, air-inlet cavity 9 closes
It closes, return air chamber 18 is opened completely, and indoor waste air is entered back into through waste air return air channel by filter device A 7 and filter device B 8
It is indoor；
(3) wind pattern is mixed：When pressure fan 11 starts, mixer selector valve 17 turns to left side to any part between right side,
Air-inlet cavity 9 and return air chamber 18 partially open, and after outdoor fresh air mixes wind with indoor waste air composition, pass through filter device A 7 and mistake
Filter device B 8 enters back into interior.
Embodiment 2：
As shown in figure 4, new indoor ventilation equipment, the air-inlet cavity 9 is arranged in 1 lower left quarter of shell, in 3 left parts of partition board A
Between 1 lower left side of shell, the binary channels air hose 13 is arranged in the left side of shell 1；The return air chamber 18 is arranged in shell 1
Interior right lower quadrant, between 1 lower right side of 3 right parts of partition board A and shell.
Remaining same embodiment 1.
Embodiment 3：
As shown in figure 5, the binary channels air hose 13 includes binary channels air hose inner tube 1302 and binary channels air hose outer tube 1301,
The binary channels air hose inner tube 1302 is blast pipe, and blast pipe is communicated with air-inlet cavity 9；The binary channels air hose outer tube 1301 is row
Air hose, exhaust duct are connected with return air inlet A 14.
Remaining same embodiment 1.
Embodiment described above, only three kinds of the utility model more preferably specific implementation mode, the skill of this field
The usual variations and alternatives that art personnel carry out within the scope of technical solutions of the utility model should all be included in the guarantor of the utility model
It protects in range.
Claims (5)
1. new indoor ventilation equipment, including shell, air outlet, partition board A, inner wind outlet A, partition board B, inner wind outlet B, filtering dress
Set A, filter device B, air-inlet cavity, wind turbine chamber, pressure fan, air-out chamber；The air outlet is arranged in shell upper end, the partition board A
Lower part is set in shell, and inner wind outlet A is arranged in the middle part of partition board A, and the partition board B is arranged in shell internal upper part, inner wind outlet B
It is arranged in the middle part of partition board B, partition board A and partition board B are horizontally disposed；The filter device A be arranged in shell middle part, partition board A and every
Between plate B, the filter device B is arranged between partition board B and air outlet；Air-inlet cavity setting shell right lower quadrant, every
Between plate A right parts and shell lower right side, the wind turbine chamber is between filter device A and partition board B, and the blower setting is in wind turbine
Intracavitary；The air-out chamber is between partition board B and shell upper end；It is characterized in that：
Further include binary channels air hose, return air inlet A, unidirectional air-valve, exhaust blower, partition board C, mixer selector valve, return air chamber, return air inlet B and control
Device processed；The return air inlet A settings are arranged in air-inlet cavity bottom, the unidirectional air-valve on return air inlet A；The exhaust blower setting exists
On the outside of unidirectional air-valve；
The binary channels air hose is arranged in the right side of shell, and binary channels air hose includes binary channels air hose outer tube and binary channels air hose
Inner tube, binary channels air hose outer tube, that is, blast pipe, binary channels air hose inner tube, that is, exhaust duct；The binary channels air hose inner tube is arranged double
The centre of channel air hose outer tube, binary channels air hose inner tube right part is prominent to outside binary channels air hose outer tube, formed inner tube protrudes
Section；Blast pipe is communicated with air-inlet cavity；Exhaust duct interlinks with return air inlet A；Binary channels air hose outer tube diameter is 50-250mm, bilateral
Road air hose diameter of inner pipe is 20-200mm, and binary channels air hose outer tube diameter is more than the diameter of inner pipe of binary channels air hose；Binary channels wind
Pipe outer tube is provided with outer tube air hole, and binary channels air hose inner tube nose section is provided with inner tube air hole；
The inner wind outlet A is arranged in the middle part of partition board A；It is vertical that bottom centre position, partition board C is arranged in shell in the partition board C
Setting, the lower ends partition board C are fixedly connected with shell bottom side, and the upper ends partition board C are below inner wind outlet A；Mixer selector valve setting every
Above plate C, mixer selector valve bottom end is rotatablely connected with the upper ends partition board C；Lower left quarter is arranged in shell, on the left sides partition board A in the return air chamber
Between portion and shell lower left side, return air chamber is made of partition board A left parts, partition board C and shell lower left side, and the return air inlet B settings exist
Return air chamber bottom, return air inlet A and return air inlet B are communicated with interior；The controller is arranged in return air chamber, right side；
Controller can control mixer selector valve and turn left and right to any part, and when mixer selector valve turns to return air chamber side, return air chamber is closed
Close, binary channels air hose outer tube, air-inlet cavity, entire inner wind outlet A, filter device A, wind turbine chamber, inner wind outlet B, filter device B,
Air-out chamber and air outlet form fresh air air intake passage；When mixer selector valve turns to air-inlet cavity side, air-inlet cavity is closed, return air inlet B,
Return air chamber, entire inner wind outlet A, filter device A, wind turbine chamber, inner wind outlet B, filter device B, air-out chamber and air outlet composition
Indoor waste air return air channel；When mixer selector valve turns to left side to any part between right side, air-inlet cavity and return air chamber part
It opens, the outdoor fresh air entered by binary channels air hose outer tube, air-inlet cavity, exists with the indoor waste air by return air inlet B, return air chamber entrance
Inner wind outlet A mixing mixes wind using filter device A, wind turbine chamber, inner wind outlet B, filter device B, air-out chamber and air outlet composition
Air intake passage.
2. new indoor ventilation equipment according to claim 1, it is characterised in that：The binary channels air hose outer tube diameter is
100mm, binary channels air hose diameter of inner pipe are 60mm.
3. a kind of new indoor ventilation equipment according to claim 1, it is characterised in that：The air-inlet cavity is arranged in shell
Lower left quarter, between partition board A left parts and shell lower left side, the binary channels air hose is arranged on the left of shell；The return air chamber is set
Set in shell right lower quadrant, between partition board A right parts and shell lower right side.
4. new indoor ventilation equipment according to claim 1, it is characterised in that：The binary channels air hose is arranged in shell
The back side.
5. new indoor ventilation equipment according to claim 1, it is characterised in that：The binary channels air hose includes binary channels
Air hose inner tube and binary channels air hose outer tube, the binary channels air hose inner tube are blast pipe, and blast pipe is communicated with air-inlet cavity；It is described double
Channel air hose outer tube is exhaust duct, and exhaust duct is connected with return air inlet A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820140452.3U CN207881090U (en) | 2018-01-27 | 2018-01-27 | New indoor ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820140452.3U CN207881090U (en) | 2018-01-27 | 2018-01-27 | New indoor ventilation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881090U true CN207881090U (en) | 2018-09-18 |
Family
ID=63508542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820140452.3U Active CN207881090U (en) | 2018-01-27 | 2018-01-27 | New indoor ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207881090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112817147A (en) * | 2021-01-04 | 2021-05-18 | 上海镭天激光设备有限公司 | Octahedral prism device for high-speed one-dimensional high-power laser scanning |
-
2018
- 2018-01-27 CN CN201820140452.3U patent/CN207881090U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112817147A (en) * | 2021-01-04 | 2021-05-18 | 上海镭天激光设备有限公司 | Octahedral prism device for high-speed one-dimensional high-power laser scanning |
| CN112817147B (en) * | 2021-01-04 | 2023-01-10 | 上海镭天激光设备有限公司 | Octahedral prism device for high-speed one-dimensional high-power laser scanning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204202083U (en) | Ventilation equipment | |
| CN107990427A (en) | Ring Window frame-type indoor air conditioner | |
| CN204513689U (en) | Fresh air ventilator | |
| CN207881090U (en) | New indoor ventilation equipment | |
| CN203024324U (en) | Ventilating device | |
| CN208846590U (en) | A kind of Medical air purifying device | |
| CN206944371U (en) | Medical air cleaning system for multiple operating rooms | |
| CN212619712U (en) | Energy-concerving and environment-protective hot air drying device | |
| CN208431904U (en) | A kind of ceiling mounting type fresh air-changing device of included static pressure distributor | |
| CN106642498A (en) | Total heat exchange device | |
| CN207881089U (en) | A kind of new indoor air processor | |
| CN205690639U (en) | A kind of combined type fresh air purifying all-in-one | |
| CN211177099U (en) | Machine and air conditioner in air conditioning | |
| CN108458426A (en) | The new wind turbine of high efficiency filter ceiling mounting type | |
| CN209181188U (en) | A kind of cabinet type bidirectional flow fresh air system | |
| CN206890739U (en) | New blower fan | |
| CN208579463U (en) | Distributed fresh air system | |
| CN106642640A (en) | Total heat exchange device | |
| CN206055814U (en) | Wall-mounted fresh air air purifier | |
| CN107314493B (en) | Wall-mounted fresh air machine with indoor purification function | |
| CN106642499A (en) | Full heat exchange device | |
| CN216281725U (en) | Fresh air system | |
| CN110762629A (en) | Machine and air conditioner in air conditioning | |
| CN201652728U (en) | Ground air exchange columnar supply-air outlet | |
| CN212673399U (en) | Health microenvironment simulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |