CN110425682B - Hospital ventilates with fungi-proofing breather - Google Patents

Hospital ventilates with fungi-proofing breather Download PDF

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Publication number
CN110425682B
CN110425682B CN201910732576.XA CN201910732576A CN110425682B CN 110425682 B CN110425682 B CN 110425682B CN 201910732576 A CN201910732576 A CN 201910732576A CN 110425682 B CN110425682 B CN 110425682B
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CN
China
Prior art keywords
wall
air
pipe
sliding
hospital
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Expired - Fee Related
Application number
CN201910732576.XA
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Chinese (zh)
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CN110425682A (en
Inventor
李彩琴
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.)
Taizhou Municipal Hospital
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Taizhou Municipal Hospital
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Filing date
Publication date
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Priority to CN201910732576.XA priority Critical patent/CN110425682B/en
Publication of CN110425682A publication Critical patent/CN110425682A/en
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Publication of CN110425682B publication Critical patent/CN110425682B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses an antibacterial and air-changing device for hospital ventilation, which comprises a wall body, wherein a first through hole is formed in the bottom of the outer wall on one side of the wall body, an air inlet pipe is arranged on the inner wall of the first through hole, fixed blocks are arranged on two sides of the outer wall on the bottom of the air inlet pipe, mounting grooves are formed in the outer wall on one side opposite to the two fixed blocks, sliding grooves are formed in the top and the inner wall on the bottom of the mounting grooves, the inner walls of the two sliding grooves are connected with a same sliding plate in a sliding mode, and telescopic springs distributed equidistantly. According to the invention, through the arrangement of the circular ring, the connecting rod, the telescopic spring and the like, a worker can pull the connecting rod through the circular ring and then move the limiting plate out of the limiting groove in the connecting air pipe, so that the worker can quickly take out the connecting air pipe to clean or replace the activated carbon filter screen plate and the dust removal screen plate, the replacement working efficiency is improved, and the workload of worker in detachment and installation is reduced.

Description

Hospital ventilates with fungi-proofing breather
Technical Field
The invention relates to the technical field of ventilation, in particular to an antibacterial ventilation device for hospital ventilation.
Background
Today, where air pollution is more and more severe, it is becoming more urgent for hospital wards to maintain good air quality. In addition, microbial contamination of the air in hospital wards likewise constitutes a serious risk to both patients and medical workers. Preventive medicine is differentiated from a medical science system, and is a science for researching and preventing and eliminating diseases, studying sanitation, strengthening physique, improving and creating production environment and living conditions which are beneficial to health. Preventive medicine differs from clinical medicine in that it is targeted to a population of people, rather than being limited to individuals. One of the trends in medical development is from individual medicine to group medicine, and today many medical problems are really solved completely and it is impossible to leave the group and group medical methods.
Need use breather in the hospital ward, present breather need frequently clear up it after using for a long time, but present breather dismantles inconveniently, is not convenient for clear up it, very big increase the work load that the staff cleared up.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an antibacterial ventilation device for hospital ventilation, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an antibacterial and air-exchange device for hospital ventilation comprises a wall body, wherein a first through hole is formed in the bottom of the outer wall on one side of the wall body, an air inlet pipe is installed on the inner wall of the first through hole, fixed blocks are installed on two sides of the outer wall on the bottom of the air inlet pipe, two fixing blocks are installed on the outer wall on the opposite side, sliding grooves are formed in the top and the inner wall of the bottom of each mounting groove, the inner walls of the two sliding grooves are connected with a sliding plate in a sliding mode, telescopic springs are installed on the outer wall on one side of each sliding plate and are distributed equidistantly, the other ends of the telescopic springs are fixedly connected with the inner wall on one side of each mounting groove, a connecting rod is installed on the outer wall on one side of each sliding plate, the other end of each connecting rod extends to the outer, and the limiting plate is matched with the limiting groove for use.
Preferably, the top of the inner walls of the two sides of the connecting air pipe is provided with an active carbon filter screen plate, and the inner walls of the two sides of the connecting air pipe are provided with the same dust removal screen plate.
Preferably, a second through hole is formed in the top of the outer wall on one side of the wall body, an air outlet pipe is installed on the inner wall of the second through hole, and a protective net is installed on the inner wall on one side of the bottom of the air outlet pipe.
Preferably, the exhaust fan is installed to the play tuber pipe bottom inner wall, and goes out tuber pipe bottom opposite side inner wall and install first solenoid valve, goes out tuber pipe bottom one side outer wall and pegs graft and has connect the trachea, connects the trachea other end and extends to the inside of air-supply line, connects trachea bottom outer wall and installs the gas blow pipe, connects trachea one side outer wall and installs the second solenoid valve.
Preferably, an electric air outlet shutter is installed on the inner wall of one side of the bottom of the air inlet pipe, and an exhaust fan is installed on the inner wall of the bottom of the air inlet pipe.
Preferably, ultraviolet disinfection lamps are installed on the inner walls of the top and the bottom of the air inlet pipe, and the ultraviolet disinfection lamps are located between the electric air outlet shutter and the exhaust fan.
Preferably, the electric air outlet shutter, the ultraviolet disinfection lamp, the exhaust fan, the first electromagnetic valve and the second electromagnetic valve are all connected with a switch through wires, and the switch is connected with a processor through wires.
Preferably, the motor is installed to connecting tuber pipe one side outer wall, and the lead screw is installed to the motor output, and lead screw circumference outer wall is connected with the sliding block through the screw thread rotation, and the brush hair is installed to sliding block top outer wall.
Preferably, the motor is connected with a switch through a lead, and the switch is connected with a power supply through a lead.
Preferably, the inner walls of the two sides of the connecting air pipe are fixedly connected with the same limiting rod, and the limiting rod is connected with the sliding block in a sliding mode.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with the dust removal otter board, filter the dust and the large granule impurity in the outside air and block, the active carbon filters the otter board and can removes the peculiar smell processing to the air after filtering, then opens the ultraviolet ray disinfection lamp through the switch, comes to carry out disinfection treatment to the air after filtering, has improved the respiratory security of room air.
2. Through being provided with ring, connecting rod, expanding spring etc. the staff can pass through ring pulling connecting rod, then shifts out the limiting groove of limiting plate in from the connecting air pipe, then the staff can take out the connecting air pipe fast, clears up or changes the active carbon filter screen board and the dust removal otter board, has improved the work efficiency of change, has reduced the work load that the staff dismantled and installed.
3. Through being provided with connecting trachea, gas blow pipe and air cock, can carry out the reverse clearance of blowing to the dust removal otter board, blow the dust on the otter board that will remove dust to the external world, avoid dust and large granule impurity to block up the mesh of dust removal otter board, improved the filtration efficiency of dust removal otter board to the air.
4. Embodiment 2 can scrub dust removal otter board bottom outer wall through being provided with motor, lead screw, sliding block and brush hair, and the air cock under the cooperation gas blow pipe can carry out better one step's washing to dust removal otter board, is showing the operating time who has improved dust removal otter board, has reduced the work load that the staff cleared up, and embodiment 3 is through being provided with the gag lever post, makes the more stable of sliding block work, has improved the cleaning quality of sliding block surface brush hair to dust removal otter board bottom.
Drawings
Fig. 1 is a schematic cross-sectional view of an antibacterial ventilator for hospital ventilation according to the present invention;
FIG. 2 is a partially enlarged schematic structural view of an antibacterial ventilator for hospital ventilation according to the present invention;
fig. 3 is a partial front view of the antibacterial ventilator for hospital ventilation according to the present invention;
FIG. 4 is a schematic cross-sectional view of a connecting air duct of an embodiment 2 of an antibacterial ventilator for hospital ventilation according to the present invention;
fig. 5 is a schematic cross-sectional view of a connecting air duct of an antibacterial ventilator for hospital ventilation according to embodiment 3 of the present invention.
In the figure: the device comprises an air outlet pipe 1, a protective net 2, an exhaust fan 3, an air inlet pipe 4, an electric air outlet shutter 5, an ultraviolet disinfection lamp 6, an exhaust fan 7, a connecting air pipe 8, a dust removal screen plate 9, a fixing block 10, an active carbon filter screen plate 11, an air blowing pipe 12, a connecting air pipe 13, a wall body 14, a limiting plate 15, a motor 16, a connecting rod 17, an expansion spring 18, a sliding plate 19, a screw rod 20, a sliding block 21 and a limiting rod 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-3, an antibacterial and ventilating device for hospital ventilation comprises a wall 14, a first through hole is formed at the bottom of the outer wall at one side of the wall 14, an air inlet pipe 4 is installed on the inner wall of the first through hole, fixed blocks 10 are installed on both sides of the outer wall at the bottom of the air inlet pipe 4, mounting grooves are formed on the outer wall at the opposite side of the two fixed blocks 10, sliding grooves are formed on the inner walls at the top and bottom of the mounting grooves, the inner walls of the two sliding grooves are slidably connected with a sliding plate 19, telescopic springs 18 are installed on the outer wall at one side of the sliding plate 19, the other ends of the telescopic springs 18 are fixedly connected with the inner wall at one side of the mounting groove, a connecting rod 17 is installed on the outer wall at one side of the sliding plate 19, the other end of the connecting rod 17 extends to the outer wall at, and a limiting plate 15 is arranged on the outer wall of the other side of the sliding plate 19, and the limiting plate 15 is matched with the limiting groove for use.
In the invention, the tops of the inner walls at two sides of a connecting air pipe 8 are provided with activated carbon filter screen plates 11, the inner walls at two sides of the connecting air pipe 8 are provided with the same dust removal screen plate 9, the top of the outer wall at one side of a wall body 14 is provided with a second through hole, the inner wall of the second through hole is provided with an air outlet pipe 1, the inner wall at one side of the bottom of the air outlet pipe 1 is provided with a protective net 2, the inner wall at the bottom of the air outlet pipe 1 is provided with an exhaust fan 3, the inner wall at the other side of the bottom of the air outlet pipe 1 is provided with a first electromagnetic valve, the outer wall at one side of the bottom of the air outlet pipe 1 is inserted with a connecting air pipe 13, the other end of the connecting air pipe 13 extends into an air inlet pipe 4, the outer wall at the bottom of the connecting air pipe, ultraviolet ray disinfection lamp 6 is all installed to 4 tops of air-supply line and bottom inner wall, and ultraviolet ray disinfection lamp 6 is located between electronic air-out shutter 5 and the induced draft fan 7, and electronic air-out shutter 5, ultraviolet ray disinfection lamp 6, induced draft fan 7, first solenoid valve and second solenoid valve all are connected with the switch through the wire, and the switch is connected with the treater through the wire, and the treater model is ARM9 TDMI.
The working principle is as follows: in the idle position of the device, all driving parts, namely power elements, electric devices and adaptive power supplies, are connected through leads, and specific connecting means refer to the following working principle that the electric devices are electrically connected in sequence.
When the device is used, the exhaust fan 7 is started through the switch, external air enters the air inlet pipe 4 through the connecting air pipe 8, the dust removal screen plate 9 filters and blocks dust and large granular impurities in the external air, the active carbon filter screen plate 11 can remove peculiar smell of the filtered air, then the ultraviolet disinfection lamp 6 is started through the switch to disinfect the filtered air, the safety of indoor air respiration is improved, a worker can pull the connecting rod 17 through the ring and then move the limiting plate 15 out of the limiting groove in the connecting air pipe 8, the worker can quickly take out the connecting air pipe 8 to clean or replace the active carbon filter screen plate 11 and the dust removal screen plate 9, the replacement work efficiency is improved, the workload of worker disassembly and installation is reduced, the exhaust fan 3 is started through the switch to extract the indoor air, the staff can regularly close the first solenoid valve on going out tuber pipe 1 through the treater, and the second solenoid valve on the connecting air pipe 13 is opened, and closes suction fan 7, blasts the connecting air pipe 8 with the air cock of air under 12 through the gas blow pipe, blows the external world with the dust on the otter board 9 that will remove dust, avoids dust and large granule impurity to block up 9 meshes of dust removal otter board, has improved the filtration efficiency of dust removal otter board 9 to the air, has reduced the work load that the staff cleared up filter screen board 9.
Example 2
Referring to fig. 1-4, the antibacterial ventilation device for hospital ventilation further comprises a motor 16 mounted on the outer wall of one side of the connecting air pipe 8, a screw rod 20 is mounted at the output end of the motor 16, the other end of the screw rod 20 is rotatably connected with the inner wall of one side of the connecting air pipe 8, the outer wall of the circumference of the screw rod 20 is rotatably connected with a sliding block 21 through threads, bristles are mounted on the outer wall of the top of the sliding block 21, the motor 16 is connected with a switch through a wire, the switch is connected with a power supply through a wire, and.
The working principle is as follows: compared with the embodiment 1, the outer wall at the bottom of the dust removal screen plate 9 can be scrubbed by arranging the motor 16, the lead screw 20, the sliding block 21 and the bristles, the dust removal screen plate 9 can be better cleaned by matching with the air nozzle under the air blowing pipe 12, the working time of the dust removal screen plate 9 is obviously prolonged, and the cleaning workload of workers is reduced.
Example 3
Referring to fig. 1, 2, 3 and 5, the hospital ventilates with fungi-proofing breather, still includes connecting the same gag lever post 22 of 8 both sides inner walls fixedly connected with of tuber pipe, and gag lever post 22 and sliding block 21 sliding connection.
The working principle is as follows: compare with embodiment 2, through being provided with gag lever post 22, make the more stable of sliding block 21 work, improved the clearance quality of sliding block 21 surface brush hair to dust removal otter board 9 bottom.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a hospital ventilates with fungi-proofing breather, includes wall body (14), its characterized in that, wall body (14) one side outer wall bottom has seted up first through-hole, and the air-supply line (4) is installed to the first through-hole inner wall, and air-supply line (4) are all installed to air-supply line (4) bottom outer wall both sides, wall body (14) one side outer wall top has seted up the second through-hole, and the inner wall of second through-hole installs out tuber pipe (1), two the relative one side outer wall of fixed block (10) has all seted up the mounting groove, and the mounting groove top and bottom inner wall all have seted up the sliding tray, the inner wall sliding connection of two sliding trays has same sliding plate (19), expanding spring (18) that the equidistance distributes are installed to sliding plate (19) one side outer wall, and expanding spring (18) other end and mounting groove, and the other end of the connecting rod (17) extends to the outer wall of one side of the fixed block (10), a circular ring is installed on the outer wall of one side of the connecting rod (17), the air inlet pipe (4) is connected with the connecting air pipe (8) in a sliding manner, the outer walls of the two sides of the connecting air pipe (8) are respectively provided with a limiting groove, the outer wall of the other side of the sliding plate (19) is provided with a limiting plate (15), the limiting plate (15) is matched with the limiting grooves for use, the top parts of the inner walls of the two sides of the connecting air pipe (8) are provided with an activated carbon filter screen plate (11), the inner walls of the two sides of the connecting air pipe (8) are provided with the same dust removal screen plate (9), the outer wall of one side of the connecting air pipe (8) is provided with a, exhaust fan (3) are installed to play tuber pipe (1) bottom inner wall, and go out tuber pipe (1) bottom opposite side inner wall and install first solenoid valve, go out tuber pipe (1) bottom one side outer wall and peg graft and have connecting trachea (13), connect the inside that trachea (13) other end extends to air-supply line (4), connect trachea (13) bottom outer wall and install gas blow pipe (12), connect trachea (13) one side outer wall and install the second solenoid valve.
2. The hospital ventilation antibacterial ventilation device according to claim 1 is characterized in that a protective net (2) is installed on the inner wall of one side of the bottom of the air outlet pipe (1).
3. The hospital ventilation antibacterial air interchanger according to claim 1, wherein an electric air outlet shutter (5) is installed on the inner wall of the bottom of the air inlet pipe (4), and an exhaust fan (7) is installed on the inner wall of the bottom of the air inlet pipe (4).
4. The hospital ventilation antibacterial air interchanger according to claim 3, wherein ultraviolet disinfection lamps (6) are mounted on the inner walls of the top and the bottom of the air inlet pipe (4), and the ultraviolet disinfection lamps (6) are positioned between the electric air outlet shutter (5) and the exhaust fan (7).
5. The hospital ventilation antibacterial ventilation device according to claim 4, wherein the electric air outlet shutter (5), the ultraviolet disinfection lamp (6), the exhaust fan (7), the first electromagnetic valve and the second electromagnetic valve are all connected with a switch through wires, and the switch is connected with a processor through wires.
6. The hospital ventilation antibacterial ventilator according to claim 5, characterized in that the electric motor (16) is connected with a switch through a wire, and the switch is connected with a power supply through a wire.
7. The hospital ventilation antibacterial ventilation device according to claim 5, wherein the inner walls of the two sides of the connecting air pipe (8) are fixedly connected with the same limiting rod (22), and the limiting rod (22) is slidably connected with the sliding block (21).
CN201910732576.XA 2019-08-09 2019-08-09 Hospital ventilates with fungi-proofing breather Expired - Fee Related CN110425682B (en)

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CN112283855B (en) * 2020-11-09 2022-02-11 镇江清腾畅净化有限公司 Cleaning device of air purifier
CN112577143B (en) * 2020-12-07 2022-04-15 北京住总第六开发建设有限公司 Passive room is with new trend system entry structure
CN112696760A (en) * 2021-01-25 2021-04-23 徐州蓝湖信息科技有限公司 Pipeline dust collector for new trend system
CN112772456B (en) * 2021-01-27 2022-06-28 厚德食品股份有限公司 Layer upon layer breed environmental control device of laying hen
CN113566347B (en) * 2021-09-23 2021-12-07 江苏优思智能科技有限公司 Intelligent building dustproof sterilization type ventilation equipment
CN114129748B (en) * 2021-12-01 2023-05-12 江苏远燕医疗设备有限公司 Ultraviolet sterilizer for ward exhaust pipeline and use method thereof

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JP2014223582A (en) * 2013-05-16 2014-12-04 日立Ｇｅニュークリア・エナジー株式会社 Filter device and replacement method thereof
CN207350673U (en) * 2017-10-23 2018-05-11 王雨乔 A kind of room air comprehensive purifying fresh air system
CN207831632U (en) * 2018-01-04 2018-09-07 南安市凯迪针织服饰有限公司 A kind of central air-conditioning inlet dust removing device for air
CN208765175U (en) * 2018-07-05 2019-04-19 吴军野 A kind of split type fresh air system
CN109140654A (en) * 2018-09-15 2019-01-04 肇庆高新区黑阳科技有限公司 A kind of tollbooth fresh air system
CN209214063U (en) * 2018-12-11 2019-08-06 上海智焕建筑科技有限公司 A kind of intelligent fresh air system

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