CN112577143A - Passive room is with new trend system entry structure - Google Patents
Passive room is with new trend system entry structure Download PDFInfo
- Publication number
- CN112577143A CN112577143A CN202011438741.XA CN202011438741A CN112577143A CN 112577143 A CN112577143 A CN 112577143A CN 202011438741 A CN202011438741 A CN 202011438741A CN 112577143 A CN112577143 A CN 112577143A
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- Prior art keywords
- air
- fixedly connected
- rod
- outlet pipe
- air outlet
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Classifications
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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
- 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
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
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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
- 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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a fresh air system inlet structure for a passive house, which relates to the technical field of fresh air systems and comprises an installation wall body, wherein an air outlet pipe fixedly connected with the installation wall body is embedded in the installation wall body; connecting rods fixedly connected with the air inlet pipe are symmetrically arranged on the upper side and the lower side of the inlet of the air inlet pipe, a locking rod with an I-shaped cross section is arranged on one side, close to the installation wall body, of each connecting rod, and a fixing shaft is fixedly connected to one end, far away from the corresponding connecting rod, of each locking rod. Compare in traditional device, this device can preheat or the precooling to fresh air through the air outlet exhaust room air at the in-process of air inlet, makes it be close to the room temperature more.
Description
Technical Field
The invention relates to the technical field of fresh air systems, in particular to a fresh air system inlet structure for a passive room.
Background
The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the ductless fresh air system is composed of a fresh air fan, and the fresh air fan is used for purifying outdoor air and guiding the outdoor air into a room. The pipeline type fresh air system is relatively suitable for industrial or large-area office areas due to large engineering quantity. Although the outdoor air is purified and then led into the room in the fresh air system, indoor air pollution can not be caused. However, when the temperature is in summer and winter, the temperature difference between the indoor air and the outdoor air is large, and therefore, the indoor temperature is greatly influenced after the outdoor air is led into the room in a large quantity.
Disclosure of Invention
The invention aims to provide a fresh air system inlet structure for a passive room to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a fresh air system inlet structure for a passive house comprises an installation wall body, wherein an air outlet pipe fixedly connected with the installation wall body is embedded in the installation wall body, an air inlet pipe is arranged in the air outlet pipe, a telescopic organ pipe is arranged at one end, close to an inlet, of the air inlet pipe, and a plurality of heat exchange fins fixedly connected with the air inlet pipe are uniformly arranged on the outer side of the air inlet pipe; the air inlet pipe import department about both sides still the symmetry be provided with rather than fixed connection's connecting rod, the connecting rod be close to one side of installation wall body and be provided with the lock pole that the cross section is "worker" font, the lock pole keep away from that one end fixedly connected with fixed axle of connecting rod, lock pole both sides still the symmetry be provided with the fixed axle rotate the spring bolt of being connected, two the spring bolt between be provided with the torsional spring of fixed connection on the lock pole.
As a further scheme of the invention: the locking device is characterized in that one end, close to the connecting rod, of the locking rod is provided with a control rod which penetrates through the locking rod and is in sliding connection with the locking rod, the locking rod is further rotatably provided with two coaxial rotating wheels which do not interfere with each other, the spring bolt is fixedly connected with control ropes, and the two control ropes are fixedly connected to the control rod after being turned by the different rotating wheels.
As a further scheme of the invention: the installation wall body on be provided with locking lever matched with spout and the draw-in groove of setting in the spout bottom.
As a further scheme of the invention: the air outlet pipe is characterized in that pressing rods are arranged on the upper side and the lower side of the air outlet pipe, a semicircular baffle penetrating through the air outlet pipe and connected with the air outlet pipe in a sliding mode is fixedly connected to one side, close to the air outlet pipe, of each pressing rod, and a reset spring is arranged between each pressing rod and the air outlet pipe.
As a further scheme of the invention: and a flushing opening communicated with the air outlet pipe is arranged on one side of the baffle plate close to the outlet of the air outlet pipe.
As a further scheme of the invention: the inside release spring that is provided with of draw-in groove, the both ends of release spring fixed connection respectively in installation wall body and locking pole bottom.
As a further scheme of the invention: and a filter screen fixedly connected with the air inlet pipe is arranged on one side of the air inlet pipe close to the inlet.
Compared with the prior art, the invention has the beneficial effects that:
1. the outdoor air through purifying passes through the air-supply line and gets into indoorly, and indoor dirty air can be through going out the tuber pipe discharge indoor, this air-supply line adopts the design of bushing type with going out the tuber pipe, it sets up in the inside of air-supply line to go out the tuber pipe, save installation space greatly the time fresh air in the air-supply line can also carry out the heat transfer through air-supply line and heat transfer fin and the intraductal indoor air of air-out, thereby reduce with the indoor difference in temperature when making fresh air in the air-supply line get into indoorly, thereby can also reduce its influence to indoor temperature as far as when playing the effect of taking a breath.
2. When the heat exchange fins and the filter screen are fully covered with dust and the outer tube needs to be cleaned or is blocked by mice, insects and other small animals along with the increase of the service time of the device, the control rod needs to be pulled to enable the spring bolt to rotate towards the side close to the locking rod, the locking rod can be pushed into the sliding groove under the action of the pushing spring at the moment, the organ tube extends, and the filter screen reaches the outside of the wall, so that the filter screen is more convenient to clean or replace; if press the depression bar again this moment and can make the baffle plug up the play tuber pipe, follow washing mouthful department and pour into clean water into and can realize washing air intake pipe outer wall, air outlet pipe inner wall and heat transfer fin, more convenient use realizes wasing under the condition that need not dismantle the pipeline.
Drawings
Fig. 1 is a schematic diagram of the general structure of an inlet structure of a fresh air system for a passive room.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the air inlet duct.
Fig. 4 is a schematic structural diagram of an organ pipe.
Fig. 5 is a schematic structural view of the baffle.
In the figure: 1-installation of a wall body, 2-connecting rods, 3-air outlet pipes, 4-filter screens, 5-air inlet pipes, 6-organ pipes, 7-heat exchange fins, 8-baffles, 9-pressure rods, 10-return springs, 11-flushing ports, 12-clamping grooves, 13-pushing springs, 14-sliding grooves, 15-locking rods, 16-control ropes, 17-rotating wheels, 18-torsion springs, 19-locking tongues, 20-fixing shafts and 21-control rods.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The following detailed description of specific implementations of the present invention is provided in conjunction with specific embodiments:
as shown in fig. 1-5, the inlet structure of the fresh air system for the passive house provided by the present invention comprises an installation wall 1, an air outlet pipe 3 fixedly connected with the installation wall 1 is embedded in the installation wall 1, an air inlet pipe 5 is arranged in the air outlet pipe 3, a telescopic organ pipe 6 is arranged at one end of the air inlet pipe 5 close to an inlet, and a plurality of heat exchange fins 7 fixedly connected with the air inlet pipe 5 are uniformly arranged outside the air inlet pipe 5; the air inlet of the air inlet pipe 5 is symmetrically provided with connecting rods 2 which are fixedly connected with the air inlet pipe, one side, close to the installation wall body 1, of each connecting rod 2 is provided with a locking rod 15 with an I-shaped cross section, one end, far away from the connecting rod 2, of each locking rod 15 is fixedly connected with a fixing shaft 20, locking tongues 19 which are rotatably connected with the fixing shafts 20 are symmetrically arranged on two sides of each locking rod 15, and torsion springs 18 which are fixedly connected to the locking rods 15 are arranged between the locking tongues 19.
In practical application, the outdoor air through purification passes through the air-supply line 5 and gets into indoorly, and indoor dirty air can be discharged indoorly through going out tuber pipe 3, here air-supply line 5 adopts the design of bushing type with going out tuber pipe 3, it sets up in the inside of air-supply line 5 to go out tuber pipe 3, the fresh air in the air-supply line 5 can also carry out the heat transfer through air-supply line 5 and heat transfer fin 7 with the indoor air that goes out in the tuber pipe 3 when saving installation space greatly, thereby it reduces with the indoor difference in temperature when making the fresh air in the air-supply line 5 get into indoorly, thereby can also reduce its influence to indoor temperature as far as possible when playing the scavenging effect.
As shown in fig. 1 and fig. 2, as a preferred embodiment of the present invention, a control rod 21 penetrating through the locking rod 15 and slidably connected to the locking rod 15 is disposed at one end of the locking rod 15 close to the connecting rod 2, the locking rod 15 is further rotatably disposed with two coaxial rotating wheels 17 that do not interfere with each other, a control rope 16 is fixedly connected to the locking tongue 19, and the two control ropes 16 are respectively turned by the different rotating wheels 17 and then fixedly connected to the control rod 21.
As shown in fig. 1 and 2, in one aspect of the present embodiment, the installation wall 1 is provided with a sliding groove 14 engaged with a locking rod 15 and a locking groove 12 disposed at the bottom of the sliding groove 14.
As shown in fig. 1 and 5, as a preferred embodiment of the present invention, the upper and lower sides of the air outlet pipe 3 are provided with pressing rods 9, the side of the pressing rod 9 close to the air outlet pipe 3 is fixedly connected with a semicircular baffle 8 penetrating through the air outlet pipe 3 and slidably connected with the air outlet pipe 3, and a return spring 10 is arranged between the pressing rod 9 and the air outlet pipe 3.
As shown in fig. 1, as a preferred embodiment of the present invention, the side of the baffle 8 near the outlet of the outlet duct 3 is provided with a flushing port 11 communicated with the outlet duct 3.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a push-out spring 13 is disposed inside the slot 12, and two ends of the push-out spring 13 are respectively and fixedly connected to the installation wall 1 and the bottom of the locking rod 15.
As shown in fig. 1, as a preferred embodiment of the present invention, a filter screen 4 is fixedly connected to the side of the air inlet pipe 5 near the inlet.
Under the normal use condition, the bolt 19 is unfolded, the action positions of the locking rod 15 on the bolt 19 and the clamping groove 12 are fixed, along with the increase of the service time of the device, when dust is fully distributed on the heat exchange fins 7 and the filter screen 4 and the outer pipe needs to be cleaned or is blocked by mice, insects and other small animals, the control rod 21 needs to be pulled to enable the bolt 19 to rotate towards the side close to the locking rod 15, at the moment, the locking rod 15 is pushed into the sliding groove 14 under the action of the push-out spring 13, the organ pipe 6 extends, and the filter screen 4 reaches the outside of the wall surface, so that the filter screen 4 is more convenient to clean or replace; if press depression bar 9 again this moment and can make baffle 8 jam with going out tuber pipe 3, inject into clean water from washing mouth 11 and can realize washing 5 outer walls of air-supply line, play tuber pipe 3 inner wall and heat transfer fin 7, more convenient use realizes wasing under the condition that need not dismantle the pipeline.
The embodiment of the invention discloses a fresh air system inlet structure for a passive house, purified outdoor air enters a room through an air inlet pipe 5, dirty indoor air is discharged out of the room through an air outlet pipe 3, the air inlet pipe 5 and the air outlet pipe 3 adopt a sleeve type design, and the air outlet pipe 3 is arranged inside the air inlet pipe 5, so that the installation space is greatly saved, meanwhile, fresh air in the air inlet pipe 5 can exchange heat with indoor air in the air outlet pipe 3 through the air inlet pipe 5 and heat exchange fins 7, the temperature difference between the fresh air in the air inlet pipe 5 and the room is reduced when entering the room, and the influence of the fresh air on the indoor temperature can be reduced as much as possible while the ventilation effect is achieved; when the using time of the device is increased, the heat exchange fins 7 and the filter screen 4 are full of dust and the outer pipe needs to be cleaned or is blocked by mice, insects and other small animals, the control rod 21 needs to be pulled to enable the bolt 19 to rotate towards the side close to the locking rod 15, the locking rod 15 is pushed into the sliding groove 14 under the action of the pushing spring 13, the organ pipe 6 extends, and the filter screen 4 reaches the outside of the wall, so that the filter screen 4 is more convenient to clean or replace; if press depression bar 9 again this moment and can make baffle 8 jam with going out tuber pipe 3, inject into clean water from washing mouth 11 and can realize washing 5 outer walls of air-supply line, play tuber pipe 3 inner wall and heat transfer fin 7, more convenient use realizes wasing under the condition that need not dismantle the pipeline.
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. A fresh air system inlet structure for a passive room comprises an installation wall body (1), and is characterized in that an air outlet pipe (3) fixedly connected with the installation wall body is embedded in the installation wall body (1), an air inlet pipe (5) is arranged in the air outlet pipe (3), a telescopic organ pipe (6) is arranged at one end, close to an inlet, of the air inlet pipe (5), and a plurality of heat exchange fins (7) fixedly connected with the air inlet pipe (5) are uniformly arranged on the outer side of the air inlet pipe (5); air-supply line (5) import department about both sides still the symmetry be provided with rather than fixed connection's connecting rod (2), connecting rod (2) be close to one side of installation wall body (1) and be provided with locking pole (15) that the cross section is "worker" font, locking pole (15) keep away from that one end fixedly connected with fixed axle (20) of connecting rod (2), locking pole (15) both sides still the symmetry be provided with fixed axle (20) rotate the spring bolt (19) of being connected, two spring bolt (19) between be provided with fixed connection torsional spring (18) on locking pole (15).
2. The fresh air system inlet structure for the passive room as claimed in claim 1, wherein a control rod (21) penetrating through the lock rod (15) and slidably connected with the lock rod (15) is arranged at one end of the lock rod (15) close to the connecting rod (2), the lock rod (15) is further rotatably provided with two coaxial rotating wheels (17) which are not interfered with each other, the lock tongue (19) is fixedly connected with a control rope (16), and the two control ropes (16) are respectively turned by the different rotating wheels (17) and then fixedly connected to the control rod (21).
3. The fresh air system inlet structure for the passive room as claimed in claim 1, wherein the mounting wall (1) is provided with a sliding groove (14) matched with the locking rod (15) and a clamping groove (12) arranged at the bottom of the sliding groove (14).
4. The fresh air system inlet structure for the passive room as claimed in claim 1, wherein the upper and lower sides of the air outlet pipe (3) are provided with pressing rods (9), the side of the pressing rod (9) close to the air outlet pipe (3) is fixedly connected with a semicircular baffle (8) which penetrates through the air outlet pipe (3) and is slidably connected with the air outlet pipe (3), and a return spring (10) is arranged between the pressing rod (9) and the air outlet pipe (3).
5. The fresh air system inlet structure for the passive room as claimed in claim 4, wherein the side of the baffle (8) near the outlet of the air outlet pipe (3) is provided with a flushing port (11) communicated with the air outlet pipe (3).
6. The fresh air system inlet structure for the passive room as claimed in claim 3, wherein a push-out spring (13) is arranged inside the clamping groove (12), and two ends of the push-out spring (13) are respectively and fixedly connected to the bottom of the installation wall body (1) and the bottom of the locking rod (15).
7. The inlet structure of a fresh air system for a passive room as claimed in claim 1, wherein the side of the air inlet pipe (5) near the inlet is provided with a filter screen (4) fixedly connected with the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438741.XA CN112577143B (en) | 2020-12-07 | 2020-12-07 | Passive room is with new trend system entry structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011438741.XA CN112577143B (en) | 2020-12-07 | 2020-12-07 | Passive room is with new trend system entry structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112577143A true CN112577143A (en) | 2021-03-30 |
| CN112577143B CN112577143B (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011438741.XA Active CN112577143B (en) | 2020-12-07 | 2020-12-07 | Passive room is with new trend system entry structure |
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| Country | Link |
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| CN (1) | CN112577143B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8600590D0 (en) * | 1986-01-10 | 1986-02-19 | Hunter Int Ltd | Damper |
| US20140020799A1 (en) * | 2008-03-10 | 2014-01-23 | William E. Gridley | Swivel support structure |
| CN106091227A (en) * | 2016-06-01 | 2016-11-09 | 苏州格兰斯柯光电科技有限公司 | Efficiently fresh-air fan pipeline |
| CN108662321A (en) * | 2018-05-25 | 2018-10-16 | 林文杰 | A kind of structure that pipeline is attached using lockset |
| CN108907334A (en) * | 2018-08-15 | 2018-11-30 | 芜湖市海源铜业有限责任公司 | A kind of automatic manufacturing device of copper rod crotch with cutter |
| CN110425682A (en) * | 2019-08-09 | 2019-11-08 | 台州市立医院 | A kind of fungi-proofing air interchanger of hospital ventilation |
| CN111765547A (en) * | 2020-06-05 | 2020-10-13 | 广州上仕工程管理有限公司 | Dehumidifier for swimming pool |
| CN111811066A (en) * | 2020-06-30 | 2020-10-23 | 圣都家居装饰有限公司 | Air purifier capable of quickly discharging air |
-
2020
- 2020-12-07 CN CN202011438741.XA patent/CN112577143B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8600590D0 (en) * | 1986-01-10 | 1986-02-19 | Hunter Int Ltd | Damper |
| US20140020799A1 (en) * | 2008-03-10 | 2014-01-23 | William E. Gridley | Swivel support structure |
| CN106091227A (en) * | 2016-06-01 | 2016-11-09 | 苏州格兰斯柯光电科技有限公司 | Efficiently fresh-air fan pipeline |
| CN108662321A (en) * | 2018-05-25 | 2018-10-16 | 林文杰 | A kind of structure that pipeline is attached using lockset |
| CN108907334A (en) * | 2018-08-15 | 2018-11-30 | 芜湖市海源铜业有限责任公司 | A kind of automatic manufacturing device of copper rod crotch with cutter |
| CN110425682A (en) * | 2019-08-09 | 2019-11-08 | 台州市立医院 | A kind of fungi-proofing air interchanger of hospital ventilation |
| CN111765547A (en) * | 2020-06-05 | 2020-10-13 | 广州上仕工程管理有限公司 | Dehumidifier for swimming pool |
| CN111811066A (en) * | 2020-06-30 | 2020-10-23 | 圣都家居装饰有限公司 | Air purifier capable of quickly discharging air |
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| Publication number | Publication date |
|---|---|
| CN112577143B (en) | 2022-04-15 |
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