CN211526650U - Multifunctional fresh air fan - Google Patents

Multifunctional fresh air fan Download PDF

Info

Publication number
CN211526650U
CN211526650U CN201922424166.7U CN201922424166U CN211526650U CN 211526650 U CN211526650 U CN 211526650U CN 201922424166 U CN201922424166 U CN 201922424166U CN 211526650 U CN211526650 U CN 211526650U
Authority
CN
China
Prior art keywords
air
pipe
channel
fresh air
controller
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
Application number
CN201922424166.7U
Other languages
Chinese (zh)
Inventor
查激星
王飞
王春站
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.)
Beijing Qijiayiju Technology Co ltd
Original Assignee
Beijing Qijiayiju Technology Co ltd
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 Beijing Qijiayiju Technology Co ltd filed Critical Beijing Qijiayiju Technology Co ltd
Priority to CN201922424166.7U priority Critical patent/CN211526650U/en
Application granted granted Critical
Publication of CN211526650U publication Critical patent/CN211526650U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air Conditioning Control Device (AREA)

Abstract

The utility model belongs to the technical field of air purification equipment, concretely relates to multi-functional new fan, include: the air conditioner comprises a machine body, wherein a fresh air pipe, an air supply pipe, a return air pipe and an exhaust pipe which penetrate through the machine body are arranged on the machine body; a first channel is communicated between the fresh air pipe and the air supply pipe, and a second channel is communicated between the return air pipe and the air supply pipe; the energy exchange assembly comprises a heat exchange core and a surface cooler, a third channel and a fourth channel for heat exchange are arranged in the heat exchange core, the third channel is communicated with the fresh air pipe and the air supply pipe, and the fourth channel is communicated with the return air pipe and the exhaust pipe; the control assembly comprises a controller, and a first air valve, a second air valve, a first fan and a second fan which are electrically connected with the controller. The multifunctional fresh air fan is suitable for different weather conditions due to the arrangement, and is low in energy consumption and resource-saving.

Description

Multifunctional fresh air fan
Technical Field
The utility model belongs to the technical field of air purification equipment, concretely relates to multi-functional new fan.
Background
Under the current social condition of China, with the increasing number of urban population, the number and the height of high-rise buildings are also increased, and further the living density is increased. However, because the building is a high-comfort zero-energy-consumption building, doors, windows and other maintenance structures of the building have excellent heat insulation performance and high air tightness, under the condition, the traditional indoor ventilation mode such as gap leakage depending on the doors and windows is far from satisfied, meanwhile, the environmental pollution problem of the current society is increasingly prominent, especially the northern haze problem is serious, the air quality is extremely poor, direct window opening ventilation not only loses a large amount of indoor heat and cold energy, but also pollutes indoor air and causes great damage to a respiratory system of a human body; the existing fresh air all-in-one machine (such as Chinese patent CN209588295U) sold in the market generally has the problems of low heat exchange efficiency, low filtration and purification efficiency, single ventilation mode, high noise, and the like, and cannot meet the use requirement of energy consumption saving of the existing building.
Therefore, not enough more than, the utility model discloses urgent need provides a multi-functional new fan.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-functional new fan to solve among the prior art new fan ventilation mode single problem that leads to the energy consumption big.
The utility model provides a multi-functional new fan, include: the air conditioner comprises a machine body, wherein the machine body is box-shaped, and a fresh air pipe, an air supply pipe, an air return pipe and an exhaust pipe which penetrate through the machine body are arranged on the machine body; a first channel is communicated between the fresh air pipe and the air supply pipe, and a second channel is communicated between the return air pipe and the air supply pipe; the energy exchange assembly comprises a full heat exchange core, a surface cooler and an external hanging machine, a third channel and a fourth channel are arranged in the heat exchange core, the third channel is communicated with the fresh air pipe and the air supply pipe, and the fourth channel is communicated with the return air pipe and the exhaust pipe; the surface cooler is arranged on the fresh air pipe and is connected with the external hanging machine; the control assembly comprises a controller, and a first air valve, a second air valve, a first fan and a second fan which are electrically connected with the controller; the first air valve and the second air valve are both three-way valves, wherein the first air valve is arranged at the inner end of the fresh air pipe and is suitable for being selectively communicated with a first channel or a third channel, and the second air valve is arranged at the inner end of the return air pipe and is suitable for being selectively communicated with a second channel or a fourth channel; the first fan and the second fan are respectively arranged on the fresh air pipe and the return air pipe.
The multifunctional fresh air machine further preferably further comprises a data acquisition assembly, wherein the data acquisition assembly comprises a first detector, a second detector and an information collector, the first detector and the second detector are respectively and electrically connected with the information collector, and the information collector is electrically connected with the controller; the first detector is adapted to acquire indoor air quality parameters and the second detector is adapted to acquire outdoor air quality parameters.
The multifunctional fresh air machine further preferably comprises a first filtering assembly, wherein the first filtering assembly is arranged in the fresh air pipe and is suitable for filtering fresh air.
The multifunctional fresh air machine is characterized in that the first filter assembly comprises a primary filter element, an active carbon filter element and a high-efficiency filter element, and the primary filter element, the active carbon filter element and the high-efficiency filter element are sequentially superposed and are suitable for fresh air to sequentially pass through.
The multifunctional fresh air machine further preferably comprises a second filter assembly, wherein the second filter assembly is arranged in the return air pipe and is suitable for filtering return air.
In the multifunctional ventilator, it is further preferable that the first detector and the second detector are a temperature sensor, a humidity sensor, and CO2One or more of a content sensor, a PM2.5 sensor, a PM10 sensor, a formaldehyde gas sensor and a combustible gas sensor.
In the multifunctional fresh air machine, it is further preferable that the heat exchange core is made of a graphene material.
The multifunctional fresh air machine further preferably comprises a display and a remote controller, wherein the display and the remote controller are respectively electrically connected with the controller, and the display is suitable for displaying indoor temperature, humidity and CO in real time2One or more of content, PM2.5 parameter, PM10 parameter, formaldehyde content and combustible gas content; the remote controller is adapted to remotely control the controller.
The multifunctional fresh air machine is further preferably provided with an information receiver in the controller, and the information receiver is electrically connected with the information collector.
The multifunctional fresh air machine as described above further preferably further comprises a first power supply assembly electrically connected to the first detector and integrated in the first movement detection box, and a second power supply assembly electrically connected to the second detector and integrated in the second movement detection box.
Compared with the prior art, the utility model has the following advantage:
in the multifunctional fresh air machine disclosed by the utility model, four channels which are selectively communicated through a first air valve and a second air valve are arranged among the fresh air pipe, the air supply pipe, the return air pipe and the exhaust pipe, wherein the first air valve is suitable for selectively communicating the first channel or the third channel, and the second air valve is suitable for selectively communicating the second channel or the fourth channel; combine above-mentioned structure and heat exchange core, surface cooler and outer hanging machine entirely, can make the utility model provides a multi-functional new fan has following three kinds of functional mode: a bypass mode to communicate the first and fourth channels, an internal circulation mode to communicate the first and second channels, and a heat exchange mode to communicate the third and fourth channels. The three modes are respectively suitable for different weather conditions, are suitable for adapting to the environment, reduce energy consumption and save resources.
Drawings
Fig. 1 is a schematic structural view of a multifunctional fresh air machine of the present invention;
FIG. 2 is a schematic plan view of the internal structure of the multi-function fresh air machine of FIG. 1;
fig. 3 is a schematic perspective view of the multifunctional fresh air machine in fig. 1.
Description of reference numerals:
1-machine body, 2-fresh air pipe, 3-blast pipe, 4-return air pipe, 5-exhaust pipe, 6-first air valve, 7-second air valve, 8-first filtering component, 9-second filtering component, 10-total heat exchange core, 11-surface air cooler, 12-external hanging machine and 13-electric control box.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the multifunctional fresh air machine disclosed in this embodiment includes: the air conditioner comprises a machine body 1, wherein the machine body 1 is box-shaped, and a fresh air pipe 2, an air supply pipe 3, an air return pipe 4 and an exhaust pipe 5 which penetrate through the machine body 1 are arranged on the machine body 1; a first channel is communicated between the fresh air pipe 2 and the air supply pipe 3, and a second channel is communicated between the return air pipe 4 and the air supply pipe 3; the energy exchange assembly comprises a full heat exchange core 10, a surface air cooler 11 and an external hanging machine 12, a third channel and a fourth channel for heat exchange are arranged in the heat exchange core, the third channel is communicated with the fresh air pipe 2 and the air supply pipe 3, the fourth channel is communicated with the return air pipe 4 and the exhaust air pipe 5, the surface air cooler 11 is arranged on the fresh air pipe 2, and the external hanging machine 12 is connected with the surface air cooler 11; the control assembly comprises a controller, a first air valve 6, a second air valve 7, a first fan and a second fan, wherein the first air valve 6, the second air valve 7 and the first fan and the second fan are electrically connected with the controller; the first air valve 6 and the second air valve 7 are three-way valves, wherein the first air valve 6 is arranged at the inner end of the fresh air pipe 2 and is suitable for being selectively communicated with a first channel or a third channel, and the second air valve 7 is arranged at the inner end of the return air pipe 4 and is suitable for being selectively communicated with a second channel or a fourth channel; the first fan and the second fan are respectively arranged on the fresh air pipe 2 and the return air pipe 4.
In this embodiment, the surface air cooler 11 is called a surface cooler, and the principle is that a heat medium or a refrigerant or a refrigeration medium flows through an inner cavity of a metal pipeline, and air to be processed flows through the outer wall of the metal pipeline to perform heat exchange so as to heat or cool the air; the external hanging machine 12 is a cooling and heating outdoor machine, and is used for heating or cooling gas in cooperation with the surface air cooler 11. The first air valve 6 and the second air valve 7 are basically the same in structure and principle as the three-way electromagnetic valve and comprise valve cores and valve bodies, wherein the valve bodies are three-way pipes and comprise an air inlet and two air outlets, and the valve cores are arranged at the intersection positions of the two air outlets and are suitable for selectively opening one of the passages through electromagnetic control. The first air valve 6 and the second air valve 7 are respectively arranged at the inner end heads of the fresh air pipe 2 and the return air pipe 4 and are suitable for being selectively communicated with the first channel or the third channel and selectively communicated with the second channel or the fourth channel. The controller is a conventional commercially available PLC controller and is arranged in an electric control box 13 arranged in the machine body 1, the PLC controller is a computer specially used for industrial control, comprises a central processing unit used for data processing and an operation controller used for issuing instructions, and can be directly obtained through commercial purchase; the connection mode of the controller, the first air valve 6, the second air valve 7, the first fan and the second fan is the prior art. Through the setting, can make promptly the utility model provides a multi-functional new fan has following three kinds of functional mode: a bypass mode for conducting the first damper 6 and the fourth damper, an internal circulation mode for conducting the third damper and the fourth damper, and a heat exchange mode for conducting the second damper 7 and the third damper. The three modes are respectively suitable for different weather conditions, are suitable for adapting to the environment, reduce energy consumption and save resources.
As a preferred implementation manner of this embodiment, the system further includes a data acquisition component, where the data acquisition component includes a first detector, a second detector and an information collector, the first detector and the second detector are respectively electrically connected to the information collector, and the information collector is electrically connected to the controller; the data acquisition assembly is suitable for respectively acquiring indoor air quality parameters and outdoor air quality parameters. Preferably, the first detector and the second detector are a temperature sensor, a humidity sensor, a CO2One or more of a content sensor, a PM2.5 sensor, a PM10 sensor, a formaldehyde gas sensor and a combustible gas sensor.
In the above structure, the first detector and the second detector are all environment parameter detectors of an integrated structure, and the environment parameter detectors are provided with a temperature sensor, a humidity sensor and CO2The content sensor, the PM2.5 sensor, the PM10 sensor, the formaldehyde gas sensor and the combustible gas sensor are all sold in the marketThe conventional sensors are available directly through market purchase. The setting of above-mentioned structure is suitable for the indoor outer air quality parameter of synchronous detection, and then the controller of being convenient for acquires and does the contrast with presetting the parameter, makes when reuniting in order to realize intelligent control to can not only guarantee the indoor air quality, still make the indoor air have comfortable humiture of making people, make the indoor environment remain throughout in healthy, comfortable index range.
As a preferred implementation manner of this embodiment, as shown in fig. 1 to 3, the fresh air duct further includes a first filter assembly 8, where the first filter assembly 8 is disposed at the inlet end of the fresh air duct 2 and is adapted to filter fresh air. Preferably, first filtering component 8 filters core and high efficiency filter core including just imitating filter core, active carbon, just imitate filter core, active carbon filter core and high efficiency filter core and superpose in proper order, be suitable for fresh air gas to loop through.
As a preferred embodiment of this embodiment, as shown in fig. 1 to 3, a second filter assembly 9 is further included, and the second filter assembly 9 is disposed at the inlet end of the return air duct 4 and is adapted to filter the return air.
Preferably, the first filter assembly 8 and the second filter assembly 9 are mainly used for removing peculiar smell and dust in fresh air and return air, and further protecting the heat exchange core, the first fan and the second fan. In this embodiment, the filter that the model was C4 is selected for use to the primary efficiency filter core, and the high efficiency filter core adopts the filter that the signal is H12, and the cooperation active carbon is used, can get rid of dust, pollen and the effectual filtration such as peculiar smell in the outdoor air, and purification efficiency can reach 99%.
As a preferred embodiment of this embodiment, further, the total heat exchange core 10 is made of graphene material, and the total heat exchange core 10 in this embodiment is preferably purchased from graphene material total heat exchange core 10 of zhongshanfuwei, and the heat exchange efficiency thereof reaches more than 80%.
As a preferable implementation manner of this embodiment, the system further includes a display and a remote controller, the display and the remote controller are respectively electrically connected to the controller, and the display is connected to the remote controllerIs suitable for displaying indoor temperature, humidity and CO in real time2One or more of content, PM2.5 parameter, PM10 parameter, formaldehyde content and combustible gas content; the remote controller is adapted to remotely control the controller. In this embodiment, a first information exchange module is disposed in the remote controller, a second information exchange module is disposed in the controller, and the first information exchange module and the second information exchange module are electrically connected through radio. Preferably, the remote controller in this embodiment may also be a mobile device such as a mobile phone and a tablet, and the mobile device controls the multifunctional fresh air machine in this embodiment through an APP configured with the controller.
As a preferred implementation manner of this embodiment, further, an information receiver is disposed in the controller, and the information receiver is electrically connected to the information collector.
In a preferred embodiment of this embodiment, the mobile phone further includes a first power supply unit electrically connected to the first detector and integrated in the first movement detection box, and a second power supply unit electrically connected to the second detector and integrated in the second movement detection box.
In the multifunctional fresh air machine disclosed by the utility model, four channels which are selectively communicated through a first air valve 6 and a second air valve 7 are arranged among the fresh air pipe 2, the blast pipe 3, the return air pipe 4 and the exhaust pipe 5, wherein the first air valve 6 is suitable for selectively communicating the first channel or the third channel, and the second air valve 7 is suitable for selectively communicating the second channel or the fourth channel; combine whole heat exchange core 10, surface cooler 11 and outer hanging machine 12, the first blast gate 6 of accessible control and second blast gate 7, make the utility model provides a multi-functional new fan has following three kinds of functional mode: a bypass mode to communicate the first and fourth channels, an internal circulation mode to communicate the first and second channels, and a heat exchange mode to communicate the third and fourth channels. The bypass mode is used for effectively discharging indoor hot air out of the room and sending the outdoor air into the room by utilizing the principle that the hot air rises under the conditions that the outdoor temperature is low and the outdoor air quality is good at night in summer or in spring and autumn, so that the indoor temperature is reduced to a comfortable degree completely without additional energy, the process is slow and natural, the efficiency of temperature reduction is much higher than that of window opening, the temperature reduction is much more comfortable than that of an air conditioner, and energy is saved; in this mode, the outer hook 12 and the total heat exchange core 10 are not operated, and only the first fan and the second fan are operated. The internal circulation mode is used under the outdoor working conditions of cold winter and hot summer, the indoor comfort level can be reduced by long-time outdoor ventilation under the condition, in order to improve the indoor comfort level, the auxiliary heating or refrigerating function of the system can be started, but the load can be increased by directly processing outdoor air, the energy is wasted, the internal circulation mode can be started, and the indoor air can be directly heated or cooled; in this mode, the outer hook 12 and the first and second fans operate. The heat exchange mode is a conventional mode, in the mode, the first fan, the second fan and the total heat exchange core 10 work, the outer hanging machine 12 can or cannot participate in the work, when the outer hanging machine participates in the work, indoor air and outdoor air firstly pass through the total heat exchanger, the indoor air firstly carries out primary treatment on the outdoor air, partial indoor exhaust energy is recycled, and the indoor air is treated through the surface air cooler 11, so that energy is saved to the maximum degree.
The combination of the data acquisition assembly can enable the controller to realize automatic control, namely, the multifunctional fresh air machine in the embodiment can realize automatic control according to indoor and outdoor air quality, temperature and humidity without human intervention, and truly automatic control is realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a multi-functional new fan which characterized in that includes:
the air conditioner comprises a machine body, wherein the machine body is box-shaped, and a fresh air pipe, an air supply pipe, an air return pipe and an exhaust pipe which penetrate through the machine body are arranged on the machine body; a first channel is communicated between the fresh air pipe and the air supply pipe, and a second channel is communicated between the return air pipe and the air supply pipe;
the energy exchange assembly comprises a full heat exchange core, a surface cooler and an external hanging machine, a third channel and a fourth channel are arranged in the heat exchange core, the third channel is communicated with the fresh air pipe and the air supply pipe, and the fourth channel is communicated with the return air pipe and the exhaust pipe; the surface cooler is arranged on the fresh air pipe and is connected with the external hanging machine;
the control assembly comprises a controller, and a first air valve, a second air valve, a first fan and a second fan which are electrically connected with the controller; the first air valve and the second air valve are both three-way valves, wherein the first air valve is arranged at the inner end of the fresh air pipe and is suitable for being selectively communicated with a first channel or a third channel, and the second air valve is arranged at the inner end of the return air pipe and is suitable for being selectively communicated with a second channel or a fourth channel; the first fan and the second fan are respectively arranged on the fresh air pipe and the return air pipe.
2. The multi-functional fresh air machine of claim 1,
the data acquisition assembly comprises a first detector, a second detector and an information collector, the first detector and the second detector are respectively and electrically connected with the information collector, and the information collector is electrically connected with the controller; the first detector is adapted to acquire indoor air quality parameters and the second detector is adapted to acquire outdoor air quality parameters.
3. The multi-functional fresh air machine of claim 2,
still include first filtering component, first filtering component locates in the new trend is intraductal, be suitable for to filter new trend gas.
4. The multi-functional fresh air machine of claim 3,
first filtering component crosses filter core and high efficiency filter core including just imitating, activated carbon, just imitate filter core, activated carbon and cross the superpose in proper order of filter core and high efficiency filter core, be suitable for fresh air and gas to loop through.
5. The multi-functional fresh air machine of claim 4,
the second filtering component is arranged in the return air pipe and is suitable for filtering return air.
6. The multi-functional ventilator of claim 5 wherein said first and second detectors are temperature sensors, humidity sensors, CO2One or more of a content sensor, a PM2.5 sensor, a PM10 sensor, a formaldehyde gas sensor and a combustible gas sensor.
7. The multifunctional ventilator of claim 6 wherein the heat exchange core is made of graphene.
8. The multifunctional ventilator according to claim 7, further comprising a display and a remote controller, wherein the display and the remote controller are respectively electrically connected with the controller, and the display is suitable for displaying indoor temperature, humidity and CO in real time2One or more of content, PM2.5 parameter, PM10 parameter, formaldehyde content and combustible gas content; the remote controller is adapted to remotely control the controller.
9. The multifunctional fresh air machine as claimed in claim 8, wherein an information receiver is arranged in the controller, and the information receiver is electrically connected with the information collector.
10. The multi-function fresh air machine of claim 9 further comprising a first power supply assembly electrically connected to the first detector and integrated within the first movement detection cartridge and a second power supply assembly electrically connected to the second detector and integrated within the second movement detection cartridge.
CN201922424166.7U 2019-12-27 2019-12-27 Multifunctional fresh air fan Active CN211526650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922424166.7U CN211526650U (en) 2019-12-27 2019-12-27 Multifunctional fresh air fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922424166.7U CN211526650U (en) 2019-12-27 2019-12-27 Multifunctional fresh air fan

Publications (1)

Publication Number Publication Date
CN211526650U true CN211526650U (en) 2020-09-18

Family

ID=72447865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922424166.7U Active CN211526650U (en) 2019-12-27 2019-12-27 Multifunctional fresh air fan

Country Status (1)

Country Link
CN (1) CN211526650U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156642A (en) * 2019-12-27 2020-05-15 北京齐家怡居科技有限责任公司 Multifunctional fresh air fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156642A (en) * 2019-12-27 2020-05-15 北京齐家怡居科技有限责任公司 Multifunctional fresh air fan

Similar Documents

Publication Publication Date Title
CN204574262U (en) Fresh air conditioner
CN103322629B (en) Household air purification treatment and heat energy recovery device and household air purification treatment and heat energy recovery method
CN206739482U (en) Variable air rate fresh air energy-saving system based on solar energy
CN102425820A (en) Split air conditioner capable of realizing night ventilation
CN102818318B (en) Efficient energy-saving self-control system device for air conditioner of operating room
CN211526650U (en) Multifunctional fresh air fan
CN205747168U (en) A kind of energy-saving and purifying fresh air conditioner
CN214307458U (en) High-efficiency energy-saving type ventilator unit
CN111156642A (en) Multifunctional fresh air fan
CN211526651U (en) Wisdom balcony with dry clothing dehumidification function
CN202792302U (en) Operating room air conditioner high efficiency energy-saving automatic control system equipment
CN202598725U (en) Dual-system integrated computer room energy-saving air conditioner
CN201944959U (en) Dual-system air conditioning device
CN208222729U (en) Air purifier
CN110068145A (en) Air source heat pump air heater
CN213395729U (en) Fresh air unit mixes frostproofing device of wind
CN212252783U (en) An intelligent ventilation system for central heating
CN210861554U (en) Full heat exchange fresh air fan and house comprising same
CN207778638U (en) A kind of heat-exchange system with hydrofuge function
CN205481583U (en) Base station room ventilation economizer system
CN201706935U (en) Air total-heat exchanger
CN219222686U (en) Passive water system fresh air conditioner dehumidification all-in-one unit
CN220119475U (en) Four seasons intelligence vertical air conditioner
CN201193618Y (en) Intelligent thermostatic control energy-conserving blower fan device
CN221444350U (en) Two-way flow fresh air unit for air conditioner and fresh air conditioner

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PP01 Preservation of patent right
PP01 Preservation of patent right

Effective date of registration: 20210701

Granted publication date: 20200918

PD01 Discharge of preservation of patent
PD01 Discharge of preservation of patent

Date of cancellation: 20240701

Granted publication date: 20200918