CN113357728A - Energy-saving ventilation system of green building - Google Patents
Energy-saving ventilation system of green building Download PDFInfo
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- CN113357728A CN113357728A CN202110484478.6A CN202110484478A CN113357728A CN 113357728 A CN113357728 A CN 113357728A CN 202110484478 A CN202110484478 A CN 202110484478A CN 113357728 A CN113357728 A CN 113357728A
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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
- F24F7/065—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 fan combined with single duct; mounting arrangements of a fan in a duct
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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
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
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Abstract
The application relates to an energy-saving ventilation system of a green building, which belongs to the field of building design and comprises an air inlet pipe communicated with a room body, wherein an inner cavity is formed in the side wall of the air inlet pipe; this application has the advantage that improves the cooling effect, promotes indoor ventilation.
Description
Technical Field
The application relates to the field of building design, in particular to an energy-saving ventilation system of a green building.
Background
The green building can save resources, protect the environment and reduce pollution while providing habitable and life and production spaces for people; with the improvement of living demands of people, building performances such as health, applicability and high efficiency are also valued by people, and people hope to reduce the damage to the environment while enjoying comfortable life.
In order to realize indoor ventilation, the building can be provided with air intake and air outlet generally, and the ventilation fan is installed to the air intake, and the ventilation fan is indoor with the outside air suction, utilizes the hot pressing that indoor outer air temperature difference caused, impels the air flow, and the room air is discharged through the air outlet to realize the ventilation in the building.
However, in hot weather, the above ventilation mode can draw the external hot air of building into indoors, resulting in higher indoor temperature, poor cooling effect and poor household experience.
Disclosure of Invention
In order to improve the cooling effect, this application provides an energy-conserving ventilation system of green building.
The application provides an energy-conserving ventilation system of green building adopts following technical scheme:
the utility model provides an energy-conserving ventilation system of green building, is including the air-supply line that communicates in the room body, the inner chamber has been seted up to the lateral wall inside of air-supply line, the room body is equipped with and is used for the inner chamber forms the water circulation mechanism of flowing water, the air-supply line is equipped with and is used for the outside air suction the internal ventilation mechanism in room.
Through adopting above-mentioned technical scheme, ventilation mechanism makes the outside air pass through the air-supply line and gets into the room body, and when the weather was hot, hydrologic cycle mechanism made water flow, and the heat of air-supply line is taken away to the flowing water to provide the cooling channel for the outside hot-air, make the air temperature of suction room body lower, improve the cooling effect.
Optionally, the ventilation mechanism includes a ventilation fan rotatably mounted on the air inlet pipe, a first bevel gear coaxially connected to the ventilation fan, a transmission rod rotatably connected to the side wall of the air inlet pipe and extending into the inner cavity, a second bevel gear connected to the transmission rod and engaged with the first bevel gear, and a rotation wheel connected to the transmission rod and located in the inner cavity, wherein the rotation wheel is impacted by flowing water in the inner cavity to rotate.
Through adopting above-mentioned technical scheme, water circulation mechanism makes water when flowing in the inner chamber, drives and rotates the wheel rotation, and then drives the ventilation fan and rotate, realizes the suction to the outside air, improves the ventilation effect.
Optionally, the water circulation mechanism comprises a water inlet pipe communicated with the inner cavity, a water outlet pipe communicated with the inner cavity, a water storage tank communicated with the water outlet pipe and the water inlet pipe, and a circulating water pump installed on the water inlet pipe, wherein the water storage tank is buried underground below the ground.
Through adopting above-mentioned technical scheme, realize that water circulates in the inner chamber of air-supply line to the storage water tank is buried underground in the below ground, plays the cooling effect to water.
Optionally, the air-supply line includes around a plurality of interior plates that the ventilating fan set up, around a plurality of outer panels that the interior plate set up and connect in the interior plate with the outer panel is kept away from the closure plate of the one end of the room body, the interior plate the outer panel with form between the closure plate the inner chamber, relative both sides the interior plate with be connected with two baffles between the outer panel, the baffle with leave the interval between the closure plate, air-supply line one side baffle, interior plate and outer panel form with the intake antrum of inlet tube intercommunication, the air-supply line opposite side baffle, interior plate and outer panel form with the play water cavity of outlet pipe intercommunication.
Through adopting above-mentioned technical scheme, the baffle plays the guide effect to the flow of water for water can be covered with in the inner chamber, improves the cooling effect.
Optionally, two sides of the inner cavity between the water inlet cavity and the water outlet cavity are provided with water guide cavities, a plurality of water guide plates which are arranged in a staggered mode are arranged in each water guide cavity, water flows between the adjacent water guide plates, and the rotating wheel is located between two adjacent water guide plates.
Through adopting above-mentioned technical scheme, the water deflector can the rivers width, makes the faster process of water rotate the wheel, drives to rotate the wheel and rotate fast, improves the slew velocity of ventilation fan.
Optionally, a water diversion plate is arranged between the adjacent water diversion plates provided with the rotating wheel, water flows between the water diversion plate and one of the water diversion plates, and the water diversion plate is higher than the rotating axis of the rotating wheel.
By adopting the technical scheme, the water guide plate can guide water to pass through the upper part of the rotating wheel, so that the resistance of the water to the lower part of the rotating wheel is reduced, and the rotating speed of the rotating wheel is improved.
Optionally, a narrowing opening through which water flows is arranged between the water diversion plate and the water diversion plate.
Through adopting above-mentioned technical scheme, reduce rivers area, the impact force when increase water is used to the rotation wheel improves the slew velocity who rotates the wheel.
Optionally, the inner side plate is provided with a water-retaining portion, the transmission rod is penetrated and rotatably connected to the water-retaining portion, a water-retaining cavity is arranged in the water-retaining portion, and the water-retaining portion is provided with a water drain outlet communicating the water-retaining cavity with the water guide cavity.
Through adopting above-mentioned technical scheme, keep away the water cavity and further separate water guide chamber and ventilation fan, reduce the condition that water oozes the ventilation fan from the rotation of transfer line connection position.
Optionally, the two rotating wheels are connected to two ends of the transmission rod, and the two rotating wheels are respectively arranged in the two water guide cavities.
Through adopting above-mentioned technical scheme, increase and rotate the wheel, improve transfer line pivoted stability, keep the ventilation fan pivoted stability.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the ventilator enables outside air to enter the room body through the air inlet pipe, when the weather is hot, the water circulation mechanism enables water to flow, and the flowing water brings away heat of the air inlet pipe, so that a cooling channel is provided for the outside hot air, the temperature of the air pumped into the room body is enabled to be lower, and the cooling effect is improved;
2. set up the transfer line and rotate the wheel, the flowing water can also drive the ventilation fan and rotate when cooling to the air that gets into the room body, improves ventilation efficiency.
Drawings
Fig. 1 is a perspective view of an embodiment of the present application.
Fig. 2 is a sectional view of a blast pipe according to an embodiment of the present invention.
Fig. 3 is a perspective view of the ventilation mechanism according to the embodiment of the present application.
Fig. 4 is a partial perspective view of a blast pipe according to an embodiment of the present invention.
Fig. 5 is a partially enlarged view of a in fig. 4.
Fig. 6 is a partially enlarged view of B in fig. 2.
Description of reference numerals: 1. a house body; 11. an air outlet; 2. a water storage tank; 21. a water inlet pipe; 22. a water outlet pipe; 23. a water circulating pump; 3. an air inlet pipe; 31. an inner side plate; 32. an outer panel; 33. a closing plate; 34. a ventilation cavity; 35. a baffle plate; 36. a water inlet cavity; 37. a water outlet cavity; 4. a ventilating fan; 41. a fixed seat; 42. a rotating shaft; 43. a transmission rod; 44. a first bevel gear; 45. a second bevel gear; 46. a rotating wheel; 47. rotating the blades; 5. a water guide cavity; 51. a water guide plate; 52. a water diversion plate; 53. a water-through block; 54. narrowing the opening; 6. a water-repellent part; 61. a water-repellent cavity; 62. a bearing; 63. a water outlet.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses energy-conserving ventilation system of green building. As shown in fig. 1, the energy-saving ventilation system of the green building comprises an air inlet pipe 3 arranged on the side wall of a room body 1, the air inlet pipe 3 is communicated with the room body 1, an air outlet 11 is formed in the top of the room body 1, external air enters from the air inlet pipe 3, and air in the room body 1 is discharged from the air outlet 11, so that ventilation is realized.
The water circulation mechanism is arranged on the house body 1 and comprises a water inlet pipe 21, a water outlet pipe 22, a water storage tank 2 and a circulating water pump 23, water is filled in the water storage tank 2, and the water storage tank 2 is buried under the ground and plays a role in cooling the water in the water storage tank 2; the water outlet pipe 22 is communicated with the water storage tank 2, the water inlet pipe 21 is communicated with the water storage tank 2, one end of the water inlet pipe 21 extends below the liquid level of water, the circulating water pump 23 is connected with the water inlet pipe 21, and the water inlet pipe 21 and the water outlet pipe 22 are both communicated with the air inlet pipe 3.
As shown in fig. 1 and 2, the air inlet duct 3 includes four inner plates 31, four outer plates 32 and a closing plate 33, the inner plates 31 are sequentially and vertically connected, the four inner plates 31 surround a ventilation cavity 34, the four outer plates 32 are sequentially and vertically connected, the four outer plates 32 surround the inner plates 31, and a space is left between the outer plates 32 and the inner plates 31; the closing plate 33 is a hollow frame structure, the closing plate 33 is fixed on one end of the inner side plate 31 and one end of the outer side plate 32, which are far away from the room body 1, and an inner cavity is formed among the inner side plate 31, the outer side plate 32 and the closing plate 33 and can be used for water flow.
The inner cavities of the two opposite sides are fixed with baffle plates 35, the two baffle plates 35 are arranged on the same side of the inner cavity, the baffle plates 35 extend along the length direction of the air inlet pipe 3, the baffle plates 35 are positioned at the edge of the inner side plate 31, the baffle plates 35 are fixedly connected between the inner side plate 31 and the outer side plate 32, a space is reserved between the baffle plates 35 and the sealing plate 33 and can be used for water to flow through, a water inlet cavity 36 and a water outlet cavity 37 are formed by the baffle plates 35, the inner side plate 31 and the outer side plate 32 on the two opposite sides of the inner cavity respectively, one end of the water inlet cavity 36, which is close to the room body 1, is communicated with the water inlet pipe 21, one end of the water outlet cavity 37, which is close to the room body 1, is communicated with the water outlet pipe 22, and the two sides of the inner cavity, which are positioned between the water inlet cavity 36 and the water outlet cavity 37, are set as water guide cavities 5.
The circulating water pump 23 is started, the circulating water pump 23 pumps water in the water storage tank 2 to the water inlet cavity 36 through the water inlet pipe 21, the water flows to the water guide cavity 5 under the guiding action of the baffle 35, then flows into the water outlet cavity 37, finally flows into the water outlet pipe 22 and returns to the water storage tank 2, the circulation of the water is realized, the heat of the air inlet pipe 3 is taken away, the cooling effect on air introduced into the ventilation cavity 34 is achieved, and the indoor cooling and ventilation effects are improved; the water flows through the water inlet cavity 36, the water guide cavity 5 and the water outlet cavity 37 in sequence, so that the water flows out after passing through each side of the air inlet pipe 3, the contact degree of the water and the inner cavity is improved, and the effect of leading the water to take the heat of the air inlet pipe 3 is improved.
As shown in fig. 2 and 3, the air inlet pipe 3 is provided with a ventilation mechanism, the ventilation mechanism includes a ventilation fan 4, a transmission rod 43, a first bevel gear 44, a second bevel gear 45 and a rotating wheel 46, the ventilation fan 4 is disposed in the ventilation cavity 34, a fixed fixing seat 41 is disposed between two oppositely disposed inner side plates 31, a rotating shaft 42 is disposed in the middle of the fixing seat 41 in a penetrating manner and rotatably connected to the middle of the fixing seat 41, the ventilation fan 4 is fixed at one end of the rotating shaft 42, the ventilation fan 4 is rotatably mounted in the ventilation cavity 34, the rotating axis of the ventilation fan 4 is parallel to the length direction of the air inlet pipe 3, and the ventilation fan 4 can draw outside air into the air inlet pipe 3 when rotating.
The transmission rod 43 is arranged between the two oppositely arranged inner side plates 31 in a penetrating manner, the length direction of the transmission rod 43 is perpendicular to the rotation axis of the ventilating fan 4, the first bevel gear 44 is fixed at the middle part of the transmission rod 43, the second bevel gear 45 is fixed at one end of the rotation shaft 42, which is far away from the ventilating fan 4, the first bevel gear 44 is meshed with the second bevel gear 45, and when the transmission rod 43 rotates. The ventilation fan 4 can be driven to rotate under the cooperation of the first bevel gear 44, the second bevel gear 45 and the rotating shaft 42.
As shown in fig. 2, the two rotating wheels 46 are provided and are respectively located in the water guide cavities 5 at two sides, the two rotating wheels 46 are respectively fixed at two ends of the transmission rod 43, and the rotating axes of the rotating wheels 46 and the rotating axis of the transmission rod 43 are on the same straight line; the rotating wheel 46 is fixed with a plurality of rotating blades 47 along the circumferential direction, when water flows through the water guide cavity 5, the water impacts the rotating blades 47 to drive the rotating wheel 46 to rotate, the transmission rod 43 is driven to rotate, and the ventilation fan 4 is rotated, so that when the air inlet pipe 3 is cooled, outside air is sucked into the air inlet pipe 3, indoor ventilation is achieved, only the circulating water pump 23 needs to be started, a device for driving the ventilation fan 4 to rotate does not need to be additionally installed, and the air conditioner is energy-saving and environment-friendly.
As shown in fig. 4, a plurality of water deflectors 51 are arranged in the water guide cavity 5, the water deflectors 51 are distributed at intervals along a connecting line direction of the water inlet cavity 36 and the water outlet cavity 37, the water deflectors 51 extend along the length direction of the air inlet duct 3, two sides of the water deflectors 51 along the length direction are respectively fixed with the inner side plate 31 and the outer side plate 32, a gap is reserved between the water deflector 51 closest to the water inlet cavity 36 and the room body 1, for two adjacent water deflectors 51, a gap is reserved between one water deflector 51 and the closing plate 33, and a gap is reserved between the other water deflector 51 and the room body 1, so that the water deflectors 51 are distributed in a staggered manner, after water enters the water guide cavity 5 from the water inlet cavity 36, the water flows between the adjacent water deflectors 51, the path of the water flowing in the water guide cavity 5 is prolonged, and the cooling effect on the air inlet duct 3 is improved.
As shown in fig. 4 and 5, in order to make the rotating wheel 46 rotate more smoothly, the rotating wheel 46 is correspondingly disposed between two water deflectors 51 in the middle of the water guide chamber 5, a water deflector 52 is disposed between the two water deflectors 51, the water deflector 52 extends along the length direction of the water deflector 51, one end of the water deflector 52 is fixed to the closing plate 33, the other end extends to a position close to the rotating wheel 46, and the distance between the water deflector 52 and the upper water deflector 51 is smaller than the distance between the water deflector 52 and the lower water deflector 51, so that the water deflector 52 is higher than the rotating axis of the rotating wheel 46; when water flows in the water guide cavity 5, the water flows between the water guide plate 52 and the water guide plate 51, so that when the water impacts the rotating wheel 46, the water mainly pushes the rotating blade 47 on the upper side of the rotating wheel 46, the rotating direction of the rotating wheel 46 is ensured to be consistent, the rotation stability of the ventilating fan 4 is kept, and the ventilating effect is improved.
As shown in fig. 5, a water passing block 53 is fixed between the water guide plate 52 and the water guide plate 51, the water passing block 53 is located at one end of the water guide plate 52 close to the rotary wheel 46, a narrowing opening 54 is formed in the water passing block 53, and the diameter of the narrowing opening 54 is gradually reduced from one side far away from the rotary wheel 46 to one side close to the rotary wheel 46, so that before the water impacts the rotary wheel 46, the area of the water passing through the water passing block 53 is reduced, the impact force of the water is increased, the impact force of the water on the rotary wheel 46 is increased, the rotation speed of the ventilation fan 4 is increased, and the ventilation effect is further improved.
As shown in fig. 2 and 6, the inner side plate 31 is integrally formed with a water-sheltering portion 6, a water-sheltering cavity 61 is arranged in the water-sheltering portion 6, the water-sheltering portion 6 is provided with a water outlet 63 close to the lower side guide plate, the transmission rod 43 is fixed with the rotating wheel 46 after penetrating through the water-sheltering portion 6, and the transmission rod 43 is rotatably connected with two opposite side walls of the water-sheltering portion 6; specifically, a gap is reserved between the side wall of the water avoiding part 6 close to the rotating wheel 46 and the transmission rod 43, the side wall of the water avoiding part 6 far away from the rotating wheel 46 is rotatably connected with the transmission rod 43 through the bearing 62, so that when water in the water guide cavity 5 enters the water avoiding part 6 through the gap, the water can flow into the water avoiding cavity 61 and cannot contact with the bearing 62 of the water avoiding part 6, the normal operation of the bearing 62 is kept, the water in the water avoiding cavity 61 can be discharged back to the water guide cavity 5 through the water discharge port 63, further, when the transmission rod 43 rotates, the rotating connection part of the transmission rod 43 does not need to be sealed, the condition of blocking the transmission rod 43 to rotate is reduced, the ventilating fan 4 can rotate rapidly, and the ventilating effect is improved.
The implementation principle of the energy-saving ventilation system of the green building in the embodiment of the application is as follows:
the circulating water pump 23 is started to drive water to flow in the water inlet cavity 36, the water guide cavity 5 and the water outlet cavity 37, heat of the air inlet pipe 3 is taken away, the temperature of air near the air inlet pipe 3 is reduced, the air pumped into the house body 1 is cooled, the water flows in the water guide cavity 5, simultaneously, the rotating wheel 46 is driven to rotate, the ventilating fan 4 is driven to rotate through the transmission rod 43, the first bevel gear 44 and the second bevel gear 45, and air inlet is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an energy-conserving ventilation system of green building which characterized in that: including communicating in air-supply line (3) of the room body (1), the inner chamber has been seted up to the lateral wall inside of air-supply line (3), the room body (1) is equipped with and is used for the inner chamber forms the water circulation mechanism of flowing water, air-supply line (3) are equipped with and are used for the outside air suction ventilation mechanism in the room body (1).
2. The energy-saving ventilation system for green buildings according to claim 1, characterized in that: the ventilation mechanism comprises a ventilation fan (4) rotatably mounted on the air inlet pipe (3), a first bevel gear (44) coaxially connected with the ventilation fan (4), a transmission rod (43) rotatably connected to the side wall of the air inlet pipe (3) and extending into the inner cavity, a second bevel gear (45) connected to the transmission rod (43) and meshed with the first bevel gear (44), and a rotation wheel (46) connected to the transmission rod (43) and located in the inner cavity, wherein the rotation wheel (46) is impacted by flowing water in the inner cavity to rotate.
3. The energy-saving ventilation system for green buildings according to claim 2, characterized in that: the water circulation mechanism comprises a water inlet pipe (21) communicated with the inner cavity, a water outlet pipe (22) communicated with the inner cavity, a water storage tank (2) communicated with the water outlet pipe (22) and the water inlet pipe (21), and a water circulation pump (23) installed on the water inlet pipe (21), wherein the water storage tank (2) is buried underground below the ground.
4. The energy-saving ventilation system for green buildings according to claim 3, characterized in that: air-supply line (3) including center on a plurality of interior plates (31) that ventilating fan (4) set up, center on a plurality of outer panels (32) that interior plate (31) set up and connect in interior plate (31) with keep away from in outer panel (32) closure plate (33) of the one end of the room body (1), interior plate (31) outer panel (32) with form between closure plate (33) the inner chamber, relative both sides interior plate (31) with be connected with two baffle (35) between outer panel (32), baffle (35) with leave the interval between closure plate (33), air-supply line (3) one side baffle (35), interior plate (31) and outer panel (32) form with intake antrum (36) of inlet tube (21) intercommunication, air-supply line (3) opposite side baffle (35), The inner side plate (31) and the outer side plate (32) form a water outlet cavity (37) communicated with the water outlet pipe (22).
5. The energy-saving ventilation system for green buildings according to claim 4, characterized in that: the water guide cavity (5) is arranged on two sides of the inner cavity between the water inlet cavity (36) and the water outlet cavity (37), a plurality of water guide plates (51) which are arranged in a staggered mode are arranged in the water guide cavity (5), water flows between the adjacent water guide plates (51), and the rotating wheel (46) is located between the two adjacent water guide plates (51).
6. The energy-saving ventilation system for green buildings according to claim 5, characterized in that: a water diversion plate (52) is arranged between the adjacent water diversion plates (51) provided with the rotating wheel (46), water flows between the water diversion plate (52) and one of the water diversion plates (51), and the water diversion plate (52) is higher than the rotating axis of the rotating wheel (46).
7. The energy-saving ventilation system for green buildings according to claim 6, characterized in that: a narrow opening (54) through which water flows is arranged between the water diversion plate (52) and the water diversion plate (51).
8. The energy-saving ventilation system for green buildings according to claim 5, characterized in that: the inner side plate (31) is provided with a water-retaining part (6), the transmission rod (43) is penetrated and connected with the water-retaining part (6) in a rotating mode, a water-retaining cavity (61) is arranged in the water-retaining part (6), and the water-retaining part (6) is provided with a water outlet (63) communicated with the water-retaining cavity (61) and the water guide cavity (5).
9. The energy-saving ventilation system for green buildings according to claim 5, characterized in that: the two rotating wheels (46) are arranged at two ends of the transmission rod (43) and connected with the two ends of the transmission rod, and the two rotating wheels (46) are respectively arranged in the two water guide cavities (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110484478.6A CN113357728B (en) | 2021-04-30 | 2021-04-30 | Energy-saving ventilation system of green building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110484478.6A CN113357728B (en) | 2021-04-30 | 2021-04-30 | Energy-saving ventilation system of green building |
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| CN113357728A true CN113357728A (en) | 2021-09-07 |
| CN113357728B CN113357728B (en) | 2022-04-22 |
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| CN202110484478.6A Active CN113357728B (en) | 2021-04-30 | 2021-04-30 | Energy-saving ventilation system of green building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948664A (en) * | 2024-03-26 | 2024-04-30 | 中海(山东)科技股份有限公司 | Combined ventilator unit equipment |
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| CN102644986A (en) * | 2012-05-23 | 2012-08-22 | 查正喜 | Air flue type cold air machine |
| CN205560020U (en) * | 2016-02-17 | 2016-09-07 | 四川鑫龙通风空调设备有限公司 | Air pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117948664A (en) * | 2024-03-26 | 2024-04-30 | 中海(山东)科技股份有限公司 | Combined ventilator unit equipment |
| CN117948664B (en) * | 2024-03-26 | 2024-05-28 | 中海(山东)科技股份有限公司 | Combined ventilator unit equipment |
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| CN113357728B (en) | 2022-04-22 |
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