CN210569015U - Vibration/noise reduction fresh air ventilator unit - Google Patents
Vibration/noise reduction fresh air ventilator unit Download PDFInfo
- Publication number
- CN210569015U CN210569015U CN201920910030.4U CN201920910030U CN210569015U CN 210569015 U CN210569015 U CN 210569015U CN 201920910030 U CN201920910030 U CN 201920910030U CN 210569015 U CN210569015 U CN 210569015U
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- fresh air
- return
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- return air
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- 238000013016 damping Methods 0.000 claims abstract description 22
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 230000001954 sterilising effect Effects 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 17
- 230000030279 gene silencing Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 239000011941 photocatalyst Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 5
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract 1
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000011084 recovery Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Images
Classifications
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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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a vibration/noise reduction fresh air ventilator unit belongs to fresh air breather technical field. The fresh air indoor heat exchanger is provided with a filter device between the fresh air inlet, a sterilization device and a power device between the fresh air indoor heat exchanger and the fresh air outlet, and the inside of the return air chamber is provided with the power device close to the return air outlet. The power device comprises a fan and a motor which are fixed on a supporting plate, and the supporting plate is connected with the supporting plate through a damping piece. The casing includes outer wall and inner wall, is provided with acoustical panel and amortization cotton between outer wall and the inner wall, is provided with the shuttle-type bloop that the middle is big in the both ends is little on the acoustical panel. The damping and noise-reducing fresh air ventilator unit adopting the structure can solve the problems of large noise and severe vibration of the fresh air ventilator unit; the air preheating device has the function of preheating outdoor air, and prevents the frosting phenomenon in the unit.
Description
Technical Field
The utility model belongs to the technical field of the fresh air ventilator technique and specifically relates to a vibration/noise reduction fresh air ventilator unit is related to.
Background
With the importance of people on living environment, more attention is paid to indoor air quality. The fresh air ventilator can exchange indoor air and outdoor air, so that people pay attention to the fresh air ventilator. The fresh air ventilator forces the system to form a fresh air flow field indoors according to mechanical air supply and air induction, filters outdoor fresh air and then introduces the filtered fresh air into the room, and sends the indoor air out of the room to keep the indoor air fresh. In order to improve energy recovery, a heat exchanger is also arranged in the fresh air ventilator. When the temperature difference between the indoor and the outdoor is large, the indoor foul air and the outdoor air exchange heat in the heat exchanger, so that the purpose of energy recovery is achieved, and the large indoor temperature drop is avoided. Fresh air ventilator generally installs indoor, and the rotation of motor and fan produces great vibration and noise in the use, is unfavorable for the steady operation of machine on the one hand, and on the other hand influences people's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vibration/noise reduction fresh air ventilator unit solves the big, violent problem of vibration of fresh air ventilator unit noise.
In order to achieve the purpose, the utility model provides a damping and noise-reducing fresh air ventilator unit, which comprises a shell and a control unit, wherein a clapboard for dividing the shell into a fresh air chamber and a return air chamber is arranged in the shell, and a heat exchanger penetrating through the clapboard is arranged in the shell; one end of the fresh air chamber is provided with a fresh air inlet, and the other end of the fresh air chamber is provided with a fresh air outlet; one end of the air return chamber is provided with an air return inlet; the other end is provided with a return air outlet which is connected with a return air inlet through a return air pipe; a filtering device is arranged between the heat exchanger and a fresh air inlet in the fresh air chamber, a sterilizing device and a power device are arranged between the heat exchanger and a fresh air outlet in the fresh air chamber, and the power device is arranged in the return air chamber close to a return air outlet;
the power device comprises a fan and a motor which are fixed on a supporting plate, the fan is connected with the motor through a transmission belt, the supporting plate in the fresh air chamber is connected with a supporting plate fixed on the partition plate through a damping piece, and the supporting plate in the return air chamber is connected with the supporting plate fixed on the shell through a damping piece;
the casing includes outer wall and inner wall, the outer wall with be provided with acoustical panel and amortization cotton between the inner wall, be provided with the shuttle-type bloop that the middle is big in the both ends is little on the acoustical panel.
Preferably, the damping piece is a damping spring, a damping pad or a damping ring; a buffer cushion is arranged between the supporting plate and the partition plate of the fresh air chamber, and a buffer cushion is also arranged between the supporting plate of the return air chamber and the shell.
Preferably, the silencing plate is composed of two plates, a plurality of horn-shaped through holes are uniformly formed in the plates, and the through holes in the two plates are butted to form the silencing hole.
Preferably, a preheating plate is arranged between the filtering device and the fresh air inlet, the preheating plate comprises a U-shaped pipe and a fin, and the fin is fixed on the outer surface of the U-shaped pipe; and a temperature sensor is arranged at the fresh air inlet, and the temperature sensor and the U-shaped pipe are electrically connected with the control unit.
Preferably, the filtering device comprises a middle-effect filter and an activated carbon layer, the middle-effect filter is arranged close to a fresh air inlet, two ends of the activated carbon layer are provided with clamping heads, and the inner wall and the partition plate are respectively provided with a first clamping groove matched with the clamping heads; and the activated carbon layer is arranged between the heat exchanger and the return air inlet in the return air chamber.
Preferably, sterilizing equipment includes ultraviolet lamp and photocatalyst net, the ultraviolet lamp is fixed on the inner wall and with the control unit electricity links, the ultraviolet lamp with be provided with between the power device photocatalyst net.
Preferably, the fresh air inlet and the return air inlet on the return air pipe are both provided with filter screens, the fresh air inlet and the return air inlet are both provided with a second L-shaped clamping groove, and the frame fixed with the filter screens is clamped in the second clamping groove.
Fresh air ventilator unit, set up the bumper shock absorber between the backup pad of fixed fan and motor and layer board, set up the blotter between layer board and baffle, the casing, alleviate the vibration of fan and motor to the casing, improve the stability of unit operation. The silencing board and the silencing cotton are arranged between the inner wall and the outer wall of the shell, so that noise generated when components inside the shell run is absorbed, and the purpose of reducing noise is achieved.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a vibration/noise reduction fresh air ventilator unit of the present invention;
FIG. 2 is a schematic view of a housing structure of an embodiment of a vibration/noise reduction fresh air ventilator unit of the present invention;
FIG. 3 is a schematic diagram of a preheating plate structure of an embodiment of a vibration/noise reduction fresh air ventilator unit of the present invention;
FIG. 4 is a schematic view of the structure of a fresh air inlet and an air return inlet of an embodiment of a vibration/noise reduction fresh air ventilator unit of the present invention;
fig. 5 is the utility model relates to a new trend import and return air inlet filter screen mounting structure sketch map of vibration/noise reduction new trend ventilator unit embodiment.
Reference numerals
1. A housing; 2. a partition plate; 3. a heat exchanger; 4. a fresh air inlet; 5. a fresh air outlet; 6. an air return inlet; 7. an air return outlet; 8. a filter screen; 9. preheating a plate; 10. a medium-efficiency filter; 11. an activated carbon layer; 12. an ultraviolet lamp; 13. a photocatalyst net; 14. a motor; 15. a fan; 16. a return air duct; 17. A first clamping groove; 18. clamping a head; 19. a support plate; 20. a support plate; 21. a shock absorbing member; 22. a temperature sensor; 23. an inner wall; 24. an outer wall; 25. a sound-absorbing panel; 26. a silencing hole; 27. silencing cotton; 28. A fin; 29. a U-shaped pipe; 30. a frame; 31. and a second clamping groove.
Detailed Description
Examples
Fig. 1 is a schematic structural view of an embodiment of a vibration/noise reduction fresh air ventilator unit of the present invention. As shown in fig. 1, a vibration/noise reduction fresh air ventilator unit comprises a housing 1 and a control unit, wherein the control unit is fixed on the housing 1. A partition plate 2 for dividing the shell 1 into a fresh air chamber and a return air chamber is arranged in the shell 1, and the partition plate 2 is fixed on the inner wall 23 of the shell 1. The shell 1 is internally provided with a heat exchanger 3 penetrating through the partition board 2, and return air and fresh air exchange heat in the heat exchanger 3. The heat exchanger 3 and the partition plate 2 are sealed to avoid the mixture of return air and fresh air. In the embodiment, the heat exchanger 3 is a plate type, runner type or heat pipe type heat exchanger 3 sold in the market. The structure of the heat exchanger 3 and the connection mode between the heat exchanger 3 and the partition plate 2 in this embodiment are the same as those in the existing fresh air ventilator set, and are not described again.
Fig. 2 is a schematic view of a housing structure of an embodiment of the damping and noise reducing fresh air ventilator unit of the present invention. As shown in fig. 2, the housing 1 includes an outer wall 24 and an inner wall 23, and the inner wall 23 and the outer wall 24 are made of aluminum alloy or stainless steel. Between the outer wall 24 and the inner wall 23, a sound-deadening plate 25 and sound-deadening cotton 27 are provided. The sound-deadening cotton 27 is glued between the sound-deadening plate 25 and the outer wall 24. The sound-absorbing plate 25 is composed of two plates, and a plurality of horn-shaped through holes are uniformly formed in the plates and distributed in an array mode on the plates. The through holes on the two plates are butted to form a shuttle-shaped silencing hole 26 with two small ends and a big middle. When sound is transmitted through the sound deadening hole 26, sound waves vibrate in the shuttle-shaped cavity, the sound waves collide with the hole wall, the reflected sound waves vibrate in the cavity, sound energy can be effectively consumed, and the purpose of sound absorption is achieved. The sound energy which is not absorbed by the sound-deadening plate 25 is transmitted to the sound-deadening cotton 27, and the sound energy is further consumed, so that the purpose of noise reduction is achieved.
One end of the fresh air chamber is provided with a fresh air inlet 4, and the other end is provided with a fresh air outlet 5. A filtering device is arranged between the fresh air inlet 4 and the heat exchanger 3, a sterilizing device and a power device are arranged between the fresh air outlet 5 and the heat exchanger 3, and the power device is arranged close to the fresh air outlet 5. One end of the air return chamber is provided with an air return inlet 6, and the other end is provided with an air return outlet 7. The return air outlet 7 is connected with a return air inlet through a return air pipe 16. And a power device is also arranged in the return air chamber close to the return air outlet 7.
The power device in the fresh air chamber and the power device in the return air chamber have the same structure. The power device comprises a fan 15 and a motor 14 which are fixed on a supporting plate 19, and the fan 15 is connected with the motor 14 through a transmission belt. The motor 14 is electrically connected to the control unit. The supporting plate 19 is connected with the supporting plate 20 through a shock absorbing member 21. The damping piece 21 is damping spring, shock pad or the damping ring of rubber, and the setting of damping piece 21 can reduce the vibrations of motor 14 and fan 15 during operation to casing 1, improves the stability of components and parts operation in the casing 1. The supporting plate 20 in the fresh air chamber is fixed on the partition plate 2, and the supporting plate 20 in the return air chamber is fixed on the inner wall 23 of the shell 1. The outlet of the fan 15 is connected with the fresh air outlet 5 and the return air outlet 7 through a section of flexible corrugated pipe. A rubber cushion pad is arranged between the supporting plate 20 and the partition plate 2 or the shell 1, so that the damping effect is further improved.
Fig. 4 is the utility model relates to a new trend import and return air inlet structural sketch map of vibration/noise reduction new trend air ventilator unit embodiment, fig. 5 is the utility model relates to a new trend import and return air inlet filter screen mounting structure sketch map of vibration/noise reduction new trend air ventilator unit embodiment. As shown in fig. 4 and 5, the fresh air inlet 4 and the return air inlet of the return air duct 16 are both provided with filter screens 8. The filter screen 8 filters outdoor or indoor air preliminarily, large-particle impurities such as dust, hair and fibers in the air are filtered, the filtering pressure of the filtering device in the unit is reduced, and the filtering effect is improved. The fresh air inlet 4 and the air return opening are both provided with an L-shaped clamping groove II 31, and the frame 30 fixed with the filter screen 8 is clamped in the clamping groove II 31. The clamping mode makes the mounting and dismounting of the filter screen 8 very convenient, and the filter screen 8 is convenient to clean. The filter screen 8 is made of metal mesh or nylon mesh with mesh size of 0.5-2 mm.
The filter device comprises a medium efficiency filter 10 and an activated carbon layer 11. The middle-effect filter 10 is arranged close to the fresh air inlet 4, further filters air entering the unit, and meanwhile prevents sundries from entering the heat exchanger 3. The medium-efficiency filter screen 8 is a bag filter sold in the market. T-shaped clamping heads 18 are arranged at two ends of the activated carbon layer 11, corresponding clamping grooves I17 are arranged on the inner wall 23 of the shell 1 and the partition plate 2, and the clamping heads 18 are inserted into the clamping grooves I17 to fix the activated carbon layer 11. The active carbon can adsorb peculiar smell and volatile organic compounds in the air, and further filter the air. An active carbon layer 11 is also arranged between the return air indoor heat exchanger 3 and the return air inlet 6.
Fig. 3 is a schematic diagram of a preheating plate structure of a vibration/noise reduction fresh air ventilator unit according to an embodiment of the present invention. As shown in fig. 3, a preheating plate 9 is disposed between the middle-effect filter 10 and the fresh air inlet 4, and the preheating plate 9 can preheat air entering the fresh air chamber. The frosting in the unit caused by the outdoor air with lower temperature entering the unit in winter is avoided. The preheating plate 9 includes U-shaped tubes 29 and fins 28, and the fins 28 are welded to the outer surfaces of the U-shaped tubes 29. The U-shaped tube 29 is made of copper material, and the fin 28 is made of aluminum or stainless steel material. Both ends of the U-shaped tube 29 are electrically connected with the control unit. The fresh air inlet 4 is provided with a temperature sensor 22 for detecting the temperature of the fresh air entering the unit. When the temperature of the fresh air is lower than minus 10 ℃, the U-shaped pipe 29 is opened to preheat the fresh air. The temperature sensor 22 is electrically connected to the control unit. The connection between the control unit and the temperature sensor 22 and the connection between the control unit and the U-shaped tube 29 are all simple control circuits known in the art, and are not described herein.
The sterilizing device comprises an ultraviolet lamp 12 and a photocatalyst net 13, wherein the photocatalyst net 13 is positioned between the ultraviolet lamp 12 and a motor 14. The uv lamp 12 is fixed to the inner wall 23 of the housing 1 and is electrically connected to the control unit. The ultraviolet light generated by the ultraviolet lamp 12 can change oxygen in the air into ozone, and the strong oxidation effect of the ozone can effectively kill bacteria and decompose volatile organic compounds. The photocatalyst net 13 is an aluminum-based net loaded with nano titanium dioxide, and the photocatalyst generates a strong catalytic degradation function under the irradiation of ultraviolet rays, so that toxic and harmful gases in the air can be effectively degraded, and the efficiency of ultraviolet rays for purifying the air and sterilizing the air is improved.
The shell 1 is further provided with an access door for overhauling the parts inside the shell 1 or replacing the activated carbon layer 11.
Therefore, the damping and noise-reducing fresh air ventilator unit adopting the structure can solve the problems of large noise and severe vibration of the fresh air ventilator unit; the air preheating device has the function of preheating outdoor air, and prevents the frosting phenomenon in the unit.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (7)
1. A shock-absorbing noise-reducing fresh air ventilator unit comprises a shell (1) and a control unit, wherein a partition plate (2) for dividing the shell (1) into a fresh air chamber and a return air chamber is arranged in the shell (1), and a heat exchanger (3) penetrating through the partition plate (2) is arranged in the shell (1); one end of the fresh air chamber is provided with a fresh air inlet (4), and the other end of the fresh air chamber is provided with a fresh air outlet (5); one end of the air return chamber is provided with an air return inlet (6); the other end is provided with a return air outlet (7), and the return air outlet (7) is connected with a return air inlet through a return air pipe (16); the method is characterized in that: a filtering device is arranged between the heat exchanger (3) and the fresh air inlet (4) in the fresh air chamber, a sterilizing device and a power device are arranged between the heat exchanger (3) and the fresh air outlet (5) in the fresh air chamber, and a power device is arranged in the return air chamber close to the return air outlet (7);
the power device comprises a fan (15) and a motor (14) which are fixed on a support plate (19), the fan (15) is connected with the motor (14) through a transmission belt, the support plate (19) in the fresh air chamber is connected with a support plate (20) fixed on the partition plate (2) through a damping piece (21), and the support plate (19) in the return air chamber is connected with the support plate (20) fixed on the shell (1) through the damping piece (21);
the casing (1) comprises an outer wall (24) and an inner wall (23), a silencing plate (25) and silencing cotton (27) are arranged between the outer wall (24) and the inner wall (23), and shuttle-shaped silencing holes (26) with two small ends and a large middle are formed in the silencing plate (25).
2. The vibration/noise reduction fresh air ventilator unit as claimed in claim 1, wherein: the damping piece (21) is a damping spring, a damping pad or a damping ring; a buffer cushion is arranged between the supporting plate (20) of the fresh air chamber and the partition plate (2), and a buffer cushion is also arranged between the supporting plate (20) of the return air chamber and the shell (1).
3. The vibration/noise reduction fresh air ventilator unit as claimed in claim 1, wherein: the sound-absorbing plate (25) is composed of two plates, a plurality of horn-shaped through holes are uniformly formed in the plates, and the through holes in the two plates are butted to form the sound-absorbing hole (26).
4. The vibration/noise reduction fresh air ventilator unit as claimed in claim 1, wherein: a preheating plate (9) is arranged between the filtering device and the fresh air inlet (4), the preheating plate (9) comprises a U-shaped pipe (29) and a fin (28), and the fin (28) is fixed on the outer surface of the U-shaped pipe (29); the fresh air inlet (4) is provided with a temperature sensor (22), and the temperature sensor (22) and the U-shaped pipe (29) are electrically connected with the control unit.
5. The vibration/noise reduction fresh air ventilator unit as claimed in claim 1, wherein: the filtering device comprises a medium-efficiency filter (10) and an activated carbon layer (11), the medium-efficiency filter (10) is arranged close to a fresh air inlet (4), two ends of the activated carbon layer (11) are provided with clamping heads (18), and the inner wall (23) and the partition plate (2) are respectively provided with a first clamping groove (17) matched with the clamping heads (18); and the activated carbon layer (11) is arranged between the heat exchanger (3) and the return air inlet (6) in the return air chamber.
6. The vibration/noise reduction fresh air ventilator unit as claimed in claim 1, wherein: sterilizing equipment includes ultraviolet lamp (12) and photocatalyst net (13), ultraviolet lamp (12) are fixed on inner wall (23) and with the control unit electricity links, ultraviolet lamp (12) with be provided with between the power device photocatalyst net (13).
7. The vibration/noise reduction fresh air ventilator unit as claimed in claim 1, wherein: fresh air import (4) and return air inlet department on return air pipe (16) all is provided with filter screen (8), fresh air import (4) and return air inlet department all are provided with draw-in groove two (31) of L type, and frame (30) card that is fixed with filter screen (8) is established in draw-in groove two (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910030.4U CN210569015U (en) | 2019-06-17 | 2019-06-17 | Vibration/noise reduction fresh air ventilator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920910030.4U CN210569015U (en) | 2019-06-17 | 2019-06-17 | Vibration/noise reduction fresh air ventilator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210569015U true CN210569015U (en) | 2020-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920910030.4U Expired - Fee Related CN210569015U (en) | 2019-06-17 | 2019-06-17 | Vibration/noise reduction fresh air ventilator unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210569015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082245A (en) * | 2020-09-04 | 2020-12-15 | 广东爱得威建设(集团)股份有限公司 | Ventilation unit for building |
| CN113446690A (en) * | 2020-12-07 | 2021-09-28 | 南京亿和通环境技术有限公司 | Noise control device and method for air exchange equipment |
-
2019
- 2019-06-17 CN CN201920910030.4U patent/CN210569015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082245A (en) * | 2020-09-04 | 2020-12-15 | 广东爱得威建设(集团)股份有限公司 | Ventilation unit for building |
| CN113446690A (en) * | 2020-12-07 | 2021-09-28 | 南京亿和通环境技术有限公司 | Noise control device and method for air exchange equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |