CN110056948A - Air conditioning exhausting air mixing device and air conditioner - Google Patents

Air conditioning exhausting air mixing device and air conditioner Download PDF

Info

Publication number
CN110056948A
CN110056948A CN201910319179.XA CN201910319179A CN110056948A CN 110056948 A CN110056948 A CN 110056948A CN 201910319179 A CN201910319179 A CN 201910319179A CN 110056948 A CN110056948 A CN 110056948A
Authority
CN
China
Prior art keywords
air
mixing
air conditioner
wind tube
mixed
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.)
Granted
Application number
CN201910319179.XA
Other languages
Chinese (zh)
Other versions
CN110056948B (en
Inventor
赵树男
孔婷婷
闫艳
李想
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910319179.XA priority Critical patent/CN110056948B/en
Publication of CN110056948A publication Critical patent/CN110056948A/en
Application granted granted Critical
Publication of CN110056948B publication Critical patent/CN110056948B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0011Indoor units, e.g. fan coil units characterised by air outlets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates

Abstract

The present invention relates to a kind of air conditioning exhausting air mixing device and air conditioners, which is characterized in that including mixing wind part, is provided with hollow chamber in the mixed wind part, air mixing channel is provided on the chamber wall of the hollow chamber, the air mixing channel is connected with the hollow chamber.A kind of air conditioning exhausting air mixing device and air conditioner provided in the embodiment of the present invention, beneficial effect is, by the way that mixed wind part, hollow chamber and air mixing channel is arranged, the outlet air of air conditioner is set to be changed to mixed wind outlet air by blow-through outlet air, the blowing feeling of air conditioner air-out is effectively reduced, it solves the problems, such as that leaving air temp is non-uniform, keeps outlet air more comfortable, improve the usage experience of user.

Description

Air conditioning exhausting air mixing device and air conditioner
Technical field
The present invention relates to air-conditioning technique fields, and in particular to a kind of air conditioning exhausting air mixing device and air conditioner.
Background technique
With the improvement of living standards, user requires to be gradually increased to air conditioner comfort.But existing air conditioner is straight by wind Blowout is connect, causes the blowing feeling of air conditioner air-out strong, the poor temperature uniformity of outlet air reduces the usage experience of user.
Summary of the invention
In order to solve the above problems existing in the present technology, the present invention provides a kind of air conditioning exhausting air mixing device and air-conditionings Device, it is therefore intended that, weaken the blowing feeling of air conditioner air-out, while be sufficiently mixed outlet air, increases leaving air temp uniformity, use Wind is more comfortable.
The technical scheme adopted by the invention is as follows: a kind of air conditioning exhausting air mixing device, including wind part is mixed, in the mixed wind part It is provided with hollow chamber, air mixing channel, the air mixing channel and the hollow cavity are provided on the chamber wall of the hollow chamber Room is connected.
Optionally, the mixed wind part includes at least one mixing wind tube, and the air mixing channel includes being arranged in the mixing wind tube On ventilation hole, the ventilation hole is connected with the hollow chamber.
Optionally, on the random tube wall for being distributed in the mixing wind tube of the ventilation hole.
Optionally, the ventilation hole of multiple diameter is provided on the mixing wind tube.
Optionally, the diameter of the ventilation hole is a quarter of the mixing wind tube diameter to one times.
According to an aspect of the invention, there is provided a kind of air conditioner, including air conditioning exhausting air mixing device as described above.
Optionally, the mixed wind part is arranged in the exhaust apparatus of the air conditioner, and the outlet air of the exhaust apparatus can Peripheral and described air mixing channel along the mixed wind part is discharged.
Optionally, the exhaust apparatus includes air-out passage, and the mixed wind part is arranged in the air-out passage.
Optionally, the mixed wind part has central axis, the extending direction of the central axis and the air-out passage Length direction is identical.
Optionally, when the air conditioner is hanging air conditioner and the mixed wind part includes mixing wind tube, the mixing wind tube Diameter be the air-out passage outlet air open height a quarter to one third,
When the air conditioner is cabinet-type air conditioner and the mixed wind part includes mixing wind tube, the diameter of the mixing wind tube is / to eight/10th of the outlet air open height of the air-out passage.
Optionally, when the mixing wind tube is one, the longitudinal section area of the mixing wind tube in axial direction is no more than described The one third of the outlet air open area of air-out passage, when the mixing wind tube is multiple, the mixing wind tube in axial direction vertical is cut One third of the sum of the face area no more than the outlet air open area of the air-out passage.
Optionally, the setting that the mixing wind tube can rotate is in the air-out passage.
Optionally, the mixed wind part further includes connector, and the mixing wind tube is arranged by the connector in the outlet air In channel.
Optionally, the connector is arranged in the both ends of the mixing wind tube, and the connector includes pedestal and pipe sleeve, described Pedestal is arranged on the side wall of the air-out passage, and the both ends of the mixing wind tube are sheathed on the pipe sleeve respectively.
A kind of air conditioning exhausting air mixing device and air conditioner, beneficial effect provided in the embodiment of the present invention are, lead to The mixed wind part of setting, hollow chamber and air mixing channel are crossed, so that the outlet air of air conditioner is changed to mixed wind outlet air by blow-through outlet air, is effectively reduced The blowing feeling of air conditioner air-out solves the problems, such as that leaving air temp is non-uniform, keeps outlet air more comfortable, improves the use of user Experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention;
Fig. 2 is the structural schematic diagram of another embodiment of the present invention;
Fig. 3 is the main view of the mixing wind tube of the embodiment of the present invention;
Fig. 4 is the side view of the mixing wind tube of the embodiment of the present invention;
Fig. 5 is the main view of the connector of the embodiment of the present invention;
Fig. 6 is the side view of the connector of the embodiment of the present invention.
In figure:
1, mixing wind tube;11, ventilation hole;2, connector;21, pedestal;22, pipe sleeve;3, hanging air conditioner;4, cabinet-type is empty Adjust device.
Specific embodiment
For the present invention is further explained to reach the technical means and efficacy that predetermined purpose is taken, below in conjunction with attached drawing with And preferred embodiment, to specific embodiment, structure, feature and its effect applied according to the present invention, detailed description is as follows.? In following the description, special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
It should be noted that in the description of the present invention, term " on ", "lower", "left", "right", "vertical", "horizontal", The direction of the instructions such as "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this is only For ease of description, rather than indication or suggestion described device or element must have a particular orientation, with specific orientation structure It makes and operates, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are used for description purposes only, It is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be Concrete meaning in the present invention.
Below in conjunction with attached drawing 1-6, the present invention is illustrated.
In one embodiment of the invention, a kind of air conditioning exhausting air mixing device is provided, including mix wind part, in the mixed wind part It is provided with hollow chamber, air mixing channel, the air mixing channel and the hollow cavity are provided on the chamber wall of the hollow chamber Room is connected.The outlet air that sky mentions device can be entered in the hollow chamber by the air mixing channel, and in the hollow chamber Interior further mixing, is most discharged through air mixing channel afterwards, achievees the effect that air conditioner air-out is made to carry out mixed wind, is reducing blowing for outlet air While wind sense, moreover it is possible to keep the temperature of outlet air uniform, keep outlet air more comfortable, improve the usage experience of user.
The mixed wind part includes at least one mixing wind tube 1, and the air mixing channel includes that leading on the mixing wind tube 1 is arranged in Air holes 11, the mixed wind part carry out mixed wind to outlet air by the mixing wind tube 1.By the way that the mixing wind tube 1 is arranged, outlet air edge can be made The round tube wall of the upper/lower terminal of the mixing wind tube 1 is discharged, and forms flow-disturbing effect to outlet air, can slightly increased wind speed, offset It is decreased slightly as low wind speed because of air mixing channel turbulent flow, whole wind speed is remained unchanged, streams outlet air through entirety, hollow chamber And flow-disturbing, the turbulent flow of ventilation hole 11 reach and are sufficiently mixed, and reduce air outlet temperature non-uniform phenomenon.
Further, the circumferential tube wall that the mixing wind tube 1 is set of the ventilation hole 11.
As shown in Figure 3,4, on the random tube wall for being distributed in the mixing wind tube 1 of the ventilation hole 11.The mixing wind tube 1 On be provided with the ventilation hole 11 of multiple diameter.A part of the outlet air of air conditioner is from the mixing wind tube 1 close to outlet air upstream The ventilation hole 11 enter and mixed in the mixing wind tube 1, achieved the purpose that sufficiently to mix wind, reached leaving air temp To uniform, mixed outlet air is discharged from ventilation hole 11 described in other, and converges with the outlet air through 1 upper and lower ends of mixing wind tube Afterwards, it is discharged from the air outlet of the air conditioner, the mixing wind tube 1 of different-diameter further strengthens mixed wind effect.
Specifically, the diameter of the ventilation hole 11 is a quarter of 1 diameter of mixing wind tube to one, the mixed wind can be made The wind speed of mixed wind effect and inlet and outlet in pipe 1 reaches best.
Another aspect of the present invention provides a kind of air conditioner, including air conditioning exhausting air mixing device as described above.
The mixed wind part is arranged in the exhaust apparatus of the air conditioner, and the outlet air of the exhaust apparatus can be along described mixed The peripheral and described air mixing channel of wind part is discharged.The exhaust apparatus includes air-out passage, the mixed wind part setting it is described go out In wind channel, the outlet air of the exhaust apparatus can be discharged along the peripheral and described air mixing channel of the mixed wind part.By making The outlet air for stating exhaust apparatus can be discharged along the peripheral and described air mixing channel of the mixed wind part, further reduce blowing for outlet air Wind sense, while outlet air path is also increased, also achieve the purpose that increasing outlet air mixes wind effect.
Further, the outlet air of the exhaust apparatus can bypass the mixed wind part along the upper/lower terminal of the mixed wind part Blowout forms mixed wind to outlet air and acts on.
The mixed wind part has central axis, the length direction of the extending direction of the central axis and the air-out passage It is identical.While the mixed wind part guarantee can be made to play the role of mixed wind to all outlet air, mixed wind number of packages amount is reduced, it is difficult to reduce installation Degree.
Specifically, as shown in Figure 1, in the present embodiment, the quantity of the mixing wind tube 1 is one, and the air-out passage is lateral Setting, the mixing wind tube 1 are horizontally installed in the air-out passage.
Specifically, the air conditioner in the present embodiment is hanging air conditioner 3, when air conditioning exhausting air mixing device setting exists When in hanging air conditioner 3, the diameter of the mixing wind tube 1 is a quarter of the outlet air open height of the air-out passage to three points One of, the mixing wind tube 1 can be made to reach best to the mixed wind effect of outlet air.The diameter of mixing wind tube 1 described in the present embodiment is institute State the one third of the outlet air open height of air-out passage.
Further, it is provided with multiple mixed wind parts at the exhaust apparatus or the mixed wind part includes multiple described mixed When air hose 1, the diameter of mixing wind tube 1 be may be the same or different, and the present embodiment is it is not limited here.
Specifically, the longitudinal section area of the mixing wind tube 1 in axial direction is not more than institute when the mixing wind tube 1 is one State the one third of the outlet air open area of air-out passage, in the present embodiment, the longitudinal section area of the mixing wind tube 1 in axial direction Equal to the one third of the outlet air open area of the air-out passage.
Optionally, when the mixing wind tube 1 is multiple, the sum of the longitudinal section area of the mixing wind tube 1 in axial direction is little In the one third of the outlet air open area of the air-out passage.
As shown in Figure 5,6, the mixed wind part further includes connector 2, and the mixing wind tube 1 is arranged by the connector 2 In the air-out passage.The both ends of the mixing wind tube 1 are arranged in the connector 2, and the connector 2 includes pedestal 21 and pipe sleeve 22, the pedestal 21 is arranged on the side wall of the air-out passage, and the both ends of the mixing wind tube 1 are sheathed on the pipe sleeve respectively 22.The mixing wind tube 1 can be made more stable and can be detachably fixedly arranged on the side wall of the air-out passage.
Specifically, on the side wall that the connector 2 is fixed on air-out passage by way of bonding or screw.
As shown in Fig. 2, in another embodiment of the present invention, with a upper embodiment the difference is that, the air conditioner For cabinet-type air conditioner 4 and when the mixed wind part includes 2 mixing wind tubes 1, when the air conditioning exhausting air mixing device is arranged in clothes closet When in formula air conditioner 4, the diameter of the mixing wind tube 1 be the outlet air open height of the air-out passage 1 to eight/10th/ One.The mixing wind tube 1 can be made to reach best to the mixed wind effect of outlet air.The diameter of mixing wind tube 1 described in the present embodiment is described / 9th of the outlet air open height of air-out passage.
In another embodiment of the present invention, the difference is that, the mixing wind tube 1 can with two above-mentioned embodiments The setting of rotation can rotate the mixing wind tube 1 in the air-out passage, convenient to adjust as needed to mixed wind effect Section.
Specifically, the mixing wind tube 1 is rotatably coupled on the connector 2, the mixing wind tube 1 can also directly turn On the side wall of the dynamic insertion air-out passage.
Specifically, the connector 2 and will be provided with washer between the mixing wind tube 1, the washer is for preventing outlet air The mixing wind tube 1 is driven to rotate.
A kind of air conditioning exhausting air mixing device and air conditioner, beneficial effect provided in the embodiment of the present invention are, lead to The mixed wind part of setting, hollow chamber and air mixing channel are crossed, so that the outlet air of air conditioner is changed to mixed wind outlet air by blow-through outlet air, is effectively reduced The blowing feeling of air conditioner air-out solves the problems, such as that leaving air temp is non-uniform, keeps outlet air more comfortable, improves the use of user Experience.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly By combining, being superimposed.
The above, better embodiment only of the invention not do limitation in any form to the present invention.It is any People can obtain other various forms of products under the inspiration of the present invention, however, making any change in its shape or structure Change, it is all that there is technical solution identical or similar to the present application, it is within the scope of the present invention.

Claims (14)

1. a kind of air conditioning exhausting air mixing device, which is characterized in that including mixed wind part, it is provided with hollow chamber in the mixed wind part, Air mixing channel is provided on the chamber wall of the hollow chamber, the air mixing channel is connected with the hollow chamber.
2. air conditioning exhausting air mixing device according to claim 1, which is characterized in that the mixed wind part includes that at least one is mixed Air hose (1), the air mixing channel include the ventilation hole (11) being arranged on the mixing wind tube (1), the ventilation hole (11) and institute Hollow chamber is stated to be connected.
3. air conditioning exhausting air mixing device according to claim 2, which is characterized in that random point of the ventilation hole (11) Cloth is on the tube wall of the mixing wind tube (1).
4. air conditioning exhausting air mixing device according to claim 2 or 3, which is characterized in that be provided on the mixing wind tube (1) The ventilation hole (11) of multiple diameter.
5. air conditioning exhausting air mixing device according to claim 4, which is characterized in that the diameter of the ventilation hole (11) is institute The a quarter of mixing wind tube (1) diameter is stated to one times.
6. a kind of air conditioner, which is characterized in that including the air conditioning exhausting air mixing device as described in claim 1-5 any one.
7. air conditioner according to claim 6, which is characterized in that the outlet air dress of the air conditioner is arranged in the mixed wind part In setting, the outlet air of the exhaust apparatus can be discharged along the peripheral and described air mixing channel of the mixed wind part.
8. air conditioner according to claim 7, which is characterized in that the exhaust apparatus includes air-out passage, the mixed wind Part is arranged in the air-out passage.
9. air conditioner according to claim 8, which is characterized in that the mixed wind part has central axis, the central axis The extending direction of line is identical as the length direction of the air-out passage.
10. air conditioner according to claim 8, which is characterized in that when the air conditioner is hanging air conditioner (3) and institute When to state mixed wind part include mixing wind tube (1), the diameter of the mixing wind tube (1) be the outlet air open height of the air-out passage four/ One to one third,
When the air conditioner is cabinet-type air conditioner (4) and the mixed wind part includes mixing wind tube (1), the mixing wind tube (1) Diameter is 1st/1st to eight/10th of the outlet air open height of the air-out passage.
11. air conditioner according to claim 8, which is characterized in that when the mixing wind tube (1) is one, the mixing wind tube (1) one third of the longitudinal section area in axial direction no more than the outlet air open area of the air-out passage, the mixing wind tube (1) for it is multiple when, the sum of the longitudinal section area of the mixing wind tube (1) in axial direction be not more than the air-out passage air outlet The one third of area.
12. air conditioner according to claim 8, which is characterized in that the setting that the mixing wind tube (1) can rotate is described In air-out passage.
13. according to air conditioner described in claim 8-12 any one, which is characterized in that the mixed wind part further includes connector (2), the mixing wind tube (1) is arranged in the air-out passage by the connector (2).
14. air conditioner according to claim 13, which is characterized in that the connector (2) is arranged in the mixing wind tube (1) Both ends, the connector (2) includes pedestal (21) and pipe sleeve (22), and the side of the air-out passage is arranged in the pedestal (21) On wall, the both ends of the mixing wind tube (1) are sheathed on the pipe sleeve (22) respectively.
CN201910319179.XA 2019-04-19 2019-04-19 Air conditioner air-out air mixing device and air conditioner Active CN110056948B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910319179.XA CN110056948B (en) 2019-04-19 2019-04-19 Air conditioner air-out air mixing device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910319179.XA CN110056948B (en) 2019-04-19 2019-04-19 Air conditioner air-out air mixing device and air conditioner

Publications (2)

Publication Number Publication Date
CN110056948A true CN110056948A (en) 2019-07-26
CN110056948B CN110056948B (en) 2020-04-28

Family

ID=67319779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910319179.XA Active CN110056948B (en) 2019-04-19 2019-04-19 Air conditioner air-out air mixing device and air conditioner

Country Status (1)

Country Link
CN (1) CN110056948B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112628870A (en) * 2020-12-22 2021-04-09 青岛海尔空调器有限总公司 Control method of air conditioner indoor unit, storage medium and air conditioner indoor unit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452452A (en) * 1990-06-21 1992-02-20 Tonen Corp Producing arrangement for uniform gas-flow
JPH07310948A (en) * 1994-05-17 1995-11-28 Mitsubishi Heavy Ind Ltd Wind direction regulator for air conditioner
JP2002257405A (en) * 2001-03-01 2002-09-11 Ibiden Co Ltd Gas blowout structure
CN202993426U (en) * 2012-11-30 2013-06-12 陈科 Air cooler capable of being hung on wall
CN204285631U (en) * 2014-11-18 2015-04-22 奇鼎科技股份有限公司 The quick temperature equalization system of substrate
CN207962914U (en) * 2018-02-02 2018-10-12 珠海格力电器股份有限公司 A kind of air conditioner indoor unit and air conditioner
CN208442948U (en) * 2018-06-13 2019-01-29 广东美的制冷设备有限公司 Wind guiding component, air conditioner room unit and the air conditioner of air conditioner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452452A (en) * 1990-06-21 1992-02-20 Tonen Corp Producing arrangement for uniform gas-flow
JPH07310948A (en) * 1994-05-17 1995-11-28 Mitsubishi Heavy Ind Ltd Wind direction regulator for air conditioner
JP2002257405A (en) * 2001-03-01 2002-09-11 Ibiden Co Ltd Gas blowout structure
CN202993426U (en) * 2012-11-30 2013-06-12 陈科 Air cooler capable of being hung on wall
CN204285631U (en) * 2014-11-18 2015-04-22 奇鼎科技股份有限公司 The quick temperature equalization system of substrate
CN207962914U (en) * 2018-02-02 2018-10-12 珠海格力电器股份有限公司 A kind of air conditioner indoor unit and air conditioner
CN208442948U (en) * 2018-06-13 2019-01-29 广东美的制冷设备有限公司 Wind guiding component, air conditioner room unit and the air conditioner of air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112628870A (en) * 2020-12-22 2021-04-09 青岛海尔空调器有限总公司 Control method of air conditioner indoor unit, storage medium and air conditioner indoor unit

Also Published As

Publication number Publication date
CN110056948B (en) 2020-04-28

Similar Documents

Publication Publication Date Title
CN105890136B (en) Air-out component and air conditioner
AU2018250394A1 (en) Ceiling-mounted air-conditioner indoor-unit system
CN106705330B (en) Air conditioner and fresh air exchange device thereof
CN103968457B (en) A kind of air conditioner room unit
CN110056948A (en) Air conditioning exhausting air mixing device and air conditioner
CN113959008A (en) Wall-mounted fresh air conditioner indoor unit and air conditioner
CN207196689U (en) Air conditioner room unit and air conditioner
CN207438845U (en) A kind of air conditioner indoor unit swing flap blade and with its air conditioner
CN106123265B (en) Cabinet type air conditioner indoor set and mixed wind method
CN105864998B (en) Air-out component and air conditioner
CN208920237U (en) Air conditioner indoor unit and air conditioner
CN106225058B (en) Drainage type vertical air conditioner and mixed wind method
CN207268489U (en) Wall-hanging indoor unit of air conditioner
CN208269274U (en) A kind of air conditioner indoor unit and air-conditioning system
CN110081517A (en) Windy sense regulating device and air conditioner
CN207179958U (en) A kind of induction type cold air diffuser
CN217057713U (en) Air outlet assembly and air conditioning equipment
CN204880531U (en) Air conditioner and renew wind device thereof
CN209541045U (en) Cross wall coil and air conditioner
CN210486005U (en) Air conditioning system and air supply device thereof
CN208920266U (en) Separated hung indoor unit of air conditioner and separated wall hanging type air conditioner
CN209263294U (en) A kind of binary channels diffuser design
CN209713939U (en) Empty oxygen mixer and empty oxygen mixing gas transmission system
CN208419131U (en) Air compensation device and air conditioner indoor unit for air conditioner indoor unit
CN219713641U (en) Air pipe assembly and fresh air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant