CN111503808A - Roof ventilation and heat dissipation device - Google Patents
Roof ventilation and heat dissipation device Download PDFInfo
- Publication number
- CN111503808A CN111503808A CN201910095516.1A CN201910095516A CN111503808A CN 111503808 A CN111503808 A CN 111503808A CN 201910095516 A CN201910095516 A CN 201910095516A CN 111503808 A CN111503808 A CN 111503808A
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- CN
- China
- Prior art keywords
- outer cover
- air
- cover body
- heat dissipation
- dissipation device
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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
- F24F7/02—Roof ventilation
-
- 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
- F24F13/20—Casings or covers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a roof ventilation and heat dissipation device, which at least comprises: a set of outer cover body of locating the gas outlet department on roof and a set of wind-guiding unit of locating this outer cover body department, wherein: the outer cover body comprises a hollow closed space region and an air inlet communicated to the outer side of the outer cover body from the space region, and the air inlet is assembled and sleeved at the position of the heat-dissipating piece to be dissipated or the position of an air outlet pipe of the heat-dissipating piece; the air guide unit at least comprises a guide channel communicated to the hollow closed space area of the outer cover body, an air suction and exhaust port communicated to the closed space area of the outer cover body from the guide channel, and the air suction and exhaust port is arranged in the space area of the outer cover body and cannot be arranged at a position below the central horizontal line of the guide channel.
Description
Technical Field
The invention relates to a roof ventilation and heat dissipation device, in particular to a simple and easy-to-install roof ventilation and heat dissipation device which is arranged above a roof and can prevent rainwater from dripping in and quickly discharge internal hot air.
Background
Referring to fig. 11, a conventional roof natural radiator structure mainly includes: a set of hollow guide tubes 15 arranged at the air outlet pipe 10 of the roof 1 and a set of horizontal hollow ventilation pipes 18 arranged at the other end of the guide tubes 15, wherein: the other end of the duct 15 is communicated with the horizontal hollow ventilation pipe 18, so that the hot air in the room flows into the ventilation pipe 18 through the duct 15 after rising, and then flows out towards the outer side of the ventilation pipe 18, thereby achieving the effect of natural heat dissipation without power.
Although the above technical solution can achieve the originally set purpose and is well appreciated by the industry and ordinary operators, the following disadvantages are still to be further improved:
when heavy rain or typhoon occurs, rainwater is blown by strong wind and sprayed into one side of the horizontal hollow ventilation pipe 18, in addition, the ventilation pipe 18 is communicated with the conduit pipe 15, and the communicated position is at the lowest point of the ventilation pipe 18, so that when the airflow flowing through the ventilation pipe 18 is strong, the rainwater falling into one side of the ventilation pipe 18 is blown by strong airflow and flows towards the other side of the ventilation pipe 18 until the rainwater flows to the communicated position of the ventilation pipe 18 and the conduit pipe 15, and the rainwater can flow downwards along the inner wall edge of the conduit pipe 15 until the rainwater drips from the tail end of the conduit pipe 15; in this way, although the hot air can be naturally discharged, the rainwater can be dropped into the room.
Disclosure of Invention
The invention content is as follows: in view of the shortcomings of the prior art, the invention provides a roof ventilation and heat dissipation device.
The main content of the roof ventilation and heat dissipation device of the present invention is to provide a roof ventilation and heat dissipation device, wherein one end of the outer cover body is assembled at the air outlet of the roof, and the flow speed difference formed between the inner hot air flowing into the guide channel from the space region of the outer cover body and the outer cold air flowing into the guide channel from the outer side of the outer cover body, so that the hot air inside the space is drawn by the external cold air flowing through the guiding passage and the external cold air rapidly passing through the surface of the air suction and exhaust port, so that the internal hot air can be rapidly sucked and discharged toward the outside along with the guiding function of the external cold air already positioned in the guiding channel, the device has the energy-saving and environment-friendly effects of automatic and rapid air exhaust and heat dissipation without power and maintenance, and can effectively prevent rainwater from dripping into a room so as to really overcome the existing defects in the prior art.
The technical scheme is as follows: in order to achieve the above-mentioned purpose, the present invention provides a roof ventilation and heat dissipation device, which at least comprises:
a group of outer cover bodies arranged at the air outlet of the roof;
a set of wind guiding unit who locates this outer cover body, wherein:
the outer cover body comprises a hollow closed space region and an air inlet communicated to the outer side of the outer cover body from the space region, and the air inlet is assembled and sleeved at the position of the heat-dissipating piece to be dissipated or the position of an air outlet pipe of the heat-dissipating piece;
the air guide unit at least comprises a guide channel transversely penetrating through the hollow closed space area of the outer cover body and an air suction and exhaust port arranged between the guide channel and the closed space area of the outer cover body, wherein the air suction and exhaust port is arranged in the space area of the outer cover body, and the air suction and exhaust port cannot be arranged at a position below the central horizontal line of the guide channel.
Furthermore, the air guide unit also comprises a drainage channel which is protruded out of the outer cover body and communicated with the guide channel.
Further, this wind guiding unit includes at least one body.
Furthermore, the air guide unit is composed of at least one open type pipe sheet body with an arc-shaped cross section.
Furthermore, the air guide unit is composed of at least more than one plate body.
Furthermore, the side of the air guiding unit penetrates through and protrudes to be located at the outer side of the outer cover body, a drainage channel is formed at the air guiding unit which protrudes to the outer side of the outer cover body, and the drainage channel is communicated with the guiding channel so as to be used for external cold air circulation.
Furthermore, a protruding guide sheet is formed at the guide channel for guiding the airflow to flow.
Furthermore, the position of the contact surface between the wind guiding unit and the outer cover body is closed, and the side of the wind guiding unit penetrates through and protrudes to be located at the outer side of the outer cover body, and the diameter of the maximum end surface of the wind guiding unit which protrudes to the outer side of the outer cover body is larger than the diameter of the contact surface formed at the position of the contact position between the outer cover body and the wind guiding unit (namely, the wind guiding unit is designed in a conical shape).
Furthermore, the air intake and exhaust port must be disposed in the space region of the outer cover body and cannot be disposed at a position below the central horizontal line of the guiding channel, and a guiding channel is formed at the air guiding unit which protrudes outside the outer cover body, and the guiding channel is communicated with the guiding channel.
Furthermore, the outer cover body is in a shape of an inverted L, and a fin protruding upwards is disposed at the top edge of the outer cover body for changing the direction control of the guide channel of the air guiding unit towards the windward side.
Further, the outer cover body is T-shaped.
Drawings
FIG. 1 is a perspective view of a roof ventilation and heat dissipation device according to the present invention;
FIG. 2 is a perspective view of FIG. 1 from another angle;
fig. 3 is a schematic plan view of fig. 1.
FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 3.
Fig. 5 is a top view of fig. 3.
Fig. 6 is a cross-sectional view taken along plane B-B of fig. 5.
Fig. 7 is a perspective view of a second embodiment of the roof ventilation and heat dissipation device disclosed in the present invention.
Fig. 8 is a schematic axial cross-sectional view of fig. 7.
FIG. 9 is another schematic plan sectional view of FIG. 7.
Fig. 10 is a perspective sectional view of a third embodiment of the roof ventilation and heat dissipation device disclosed in the present invention.
Fig. 11 is a sectional view of a conventional roof natural radiator structure in combination when applied.
Wherein:
2-outer cover body
20-space region
21-inlet of air
25-bit slice
3-wind guide unit
30-guide channel
31-air suction and exhaust port
32-drainage channel
33-guide piece
35-first segment
36-second segment
361-air suction and exhaust port
37-guide channel
5-roof
50-exhaust port
The specific implementation mode is as follows:
the present invention relates to a roof ventilation and heat dissipation device, please refer to fig. 1 to 6, which at least comprises: a set of outer covers 2 disposed at the exhaust ports 50 (shown in fig. 6) of the roof 5, and a set of wind guiding units 3 disposed at the outer covers 2, wherein:
the outer cover body 2 is in a T shape, the outer cover body 2 comprises a space area 20 provided with a hollow closed shape and an air inlet 21 communicating the space area 20 to the outer side of the outer cover body 2, and the air inlet 21 is assembled and sleeved at the position of the heat-radiating piece to be radiated or the position of an air outlet pipe thereof or a roof so that internal hot air directly flows into the closed space area 20 through the heat-radiating piece to be radiated or the air outlet pipe;
the air guiding unit 3 at least includes a guiding channel 30 transversely penetrating the hollow closed space area 20 of the outer cover body 2, an air suction and exhaust port 31 disposed between the guiding channel 30 and the closed space area 20, a drainage channel 32 protruding from the outer side of the outer cover body 2 and communicating with the guiding channel 30, and a guiding sheet 33 protruding from the guiding channel 30 and the drainage channel 32, wherein the contact surface between the air guiding unit 3 and the outer cover body 2 is closed, the side of the air guiding unit 3 penetrates through and protrudes to be located at the outer side of the outer cover body 2, and the maximum end surface diameter of the air guiding unit 3 protruding from the outer side of the outer cover body 2 is larger than the contact surface diameter (i.e. conical design) formed at the contact position between the outer cover body 2 and the air guiding unit 3.
Further, the air intake/exhaust port 31 must be disposed in the space area 20 of the outer casing 2, and cannot be disposed at a position below the central horizontal line of the guiding channel 30, and a guiding channel 32 is formed at the air guiding unit 3 that has protruded outside the outer casing 2, and the guiding channel 30 is communicated with the guiding channel 32.
Furthermore, the guiding channel 30 and the guiding channel 31 are formed with protruding guiding sheets 33 for guiding the airflow; the wind guiding unit 3 is composed of at least one pipe, at least one open pipe with an arc cross section, or at least one plate.
When sunlight directly irradiates the roof 5, the exhaust port 50 of the roof 5 is connected to the air inlet 21 of the outer cover 2, so that the interior of the room is communicated with the closed space region 20 of the outer cover 2, and the hot air in the room can flow upward and flow into the closed space region 20 of the outer cover 2, at this time, the space region 20 of the outer cover 2 can be directly communicated with the guide channel 30 of the air guide unit 3 by the arrangement effect of the air inlet 31, so that the rising hot air in the room can directly flow into the guide channel 30; at this time, when the external cold air flows through the flow guiding channel 32, because the flow guiding channel 32 is designed to be tapered (i.e. the diameter of the outer end surface is larger than the diameter of the contact surface, in other words, the diameter of the maximum end surface of the air guiding unit 3 which has protruded outside the outer cover 2 is larger than the diameter of the contact surface formed at the contact position between the outer cover 2 and the air guiding unit 3), the flow velocity flowing to the flow guiding channel 32 is smaller than the flow velocity flowing to the guiding channel 30 (because the diameter of the cross section of the guiding channel 30 is smaller than the diameter of the cross section of the flow guiding channel 32), and in addition, the guiding sheet 33 extends from the flow guiding channel 32 to the guiding channel 30 to be protruded in the axial direction, so that the flow velocity flowing through the guiding channel 30 between the two guiding sheets 33 is larger than the flow velocity flowing through the internal hot air flowing into the guiding channel 30, at this time, not only the internal hot air flowing into the guiding channel 30 can flow toward the other side, but also the external cold air flowing through the guiding channel 30 can flow toward the air suction/exhaust port 31 to generate a suction or traction effect after flowing through the air suction/exhaust port 31 after rapidly passing through the surface of the air suction/exhaust port 31, so as to accelerate the internal hot air in the air suction/exhaust port 31 to be sucked out and mixed with the external cold air in the guiding channel 30, and flow toward the other side of the air guiding unit 3 to be exhausted, so that the energy-saving and environment-friendly effects of automatic and rapid exhaust and heat dissipation without power and maintenance can be achieved, and at the same time, the closed space area 20 of the outer cover body 2 is covered on the guiding channel 30 of the air guiding unit 3 to effectively prevent rainwater from dropping into the space area 20 or the room, thereby overcoming the existing deficiency of the prior art.
Please refer to fig. 7 to 9, which are diagrams illustrating a second embodiment of the present invention, the main change is that the outer cover 2 is changed from a T shape to an inverted L shape, and a top edge of the outer cover 2 is provided with a protruded fin 25 for changing the direction of the guiding channel 30 of the air guiding unit 3 toward the windward side, and the structures of the outer cover 2 and the air guiding unit 3 are described in detail above and therefore are not described herein again.
Please refer to fig. 10, which is a diagram of a third embodiment of the present invention, and the main changes are: this wind guiding unit 3 is changed into by the body that the intercommunication was run through to the front and back terminal surface originally by two different arc section open type pipe sheet bodies (being first pipe sheet body 35 and second pipe sheet body 36) and replaces, wherein, the breach of the big first pipe sheet body 35 of arc section sets up, and the breach of the little second pipe sheet body 36 of arc section sets up down, and make this pipe sheet body 36 that the arc section is little can be located the big this pipe sheet body 35 top of arc section, so that first pipe sheet body 35, be formed with a guide channel 37 between the second pipe sheet body 36.
Furthermore, the side edges of the first tube sheet body 35 and the second tube sheet body 36 with two different arc-shaped cross sections are staggered, the second tube sheet body 36 with a small arc-shaped cross section is provided with an air suction and exhaust port 361, and the air suction and exhaust port 361 and the staggered position between the side edges of the first tube sheet body 35 and the second tube sheet body 36 can be respectively communicated with the guide channel 37 so as to be used for the internal hot air to flow into the guide channel 37, and meanwhile, the lowest position of the surface of the first tube sheet body 35 with a large arc-shaped cross section is not provided with any hole, so that rainwater can be ensured not to drop into the space area 20; the structures of the outer cover 2 and the air guiding unit 3 are already described in detail above, and therefore are not described herein again.
The above-mentioned technical solutions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; therefore, all the equivalent changes or modifications according to the features and the spirit of the claims should be included in the claims of the present invention.
Claims (9)
1. Roof ventilation heat abstractor, its characterized in that includes at least: a set of outer cover body of locating the gas outlet department on roof and a set of wind-guiding unit of locating this outer cover body department, wherein:
the outer cover body comprises a hollow closed space region and an air inlet which is communicated with the space region to the outer side of the outer cover body, and the air inlet is assembled and sleeved at the air outlet pipe;
the air guide unit at least comprises a guide channel transversely penetrating through the hollow closed space area of the outer cover body and an air suction and exhaust port arranged between the guide channel and the closed space area; the air suction and exhaust port is arranged in the space area of the outer cover body, and the air suction and exhaust port cannot be arranged at a position below the central horizontal line of the guide channel.
2. The roof ventilation and heat dissipation device of claim 1, wherein the air guiding unit comprises at least one tube.
3. The roof ventilation and heat dissipation device of claim 1, wherein the air guiding unit is formed of at least one open type duct body having an arc-shaped cross section.
4. The roof ventilation and heat dissipation device as claimed in claim 1, wherein the air guiding unit is formed of at least one plate.
5. The roof ventilation and heat dissipation device as claimed in any one of claims 1 to 4, wherein the lateral penetration of the air guiding unit is protruded outside the outer cover, and a flow guiding channel is formed at the air guiding unit protruded outside the outer cover, and the flow guiding channel is communicated with the guiding channel for external cold air circulation.
6. The roof ventilation and heat dissipation device of claim 5, wherein the guide channel is formed with a protruding guide piece for guiding the airflow.
7. The roof ventilation and heat dissipation device as claimed in claim 6, wherein the contact surface between the wind guiding unit and the outer cover is closed, and the maximum diameter of the end surface of the wind guiding unit protruding outside the outer cover is larger than the diameter of the contact surface formed at the contact position between the outer cover and the wind guiding unit.
8. The roof ventilation and heat dissipation device as claimed in claim 5, wherein the outer cover has an inverted L shape, and is provided at a top edge thereof with a protruding blade for changing a direction control of the guide channel of the air guide unit toward the windward side.
9. The roof ventilation and heat dissipation device of claim 4, wherein the outer cover is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095516.1A CN111503808A (en) | 2019-01-31 | 2019-01-31 | Roof ventilation and heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095516.1A CN111503808A (en) | 2019-01-31 | 2019-01-31 | Roof ventilation and heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111503808A true CN111503808A (en) | 2020-08-07 |
Family
ID=71875631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095516.1A Withdrawn CN111503808A (en) | 2019-01-31 | 2019-01-31 | Roof ventilation and heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111503808A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110877A (en) * | 2021-12-08 | 2022-03-01 | 黄淮学院 | Energy-saving ventilation building |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000145064A (en) * | 1998-11-04 | 2000-05-26 | Sekisui Chem Co Ltd | Coping structure, and building ventilation structure |
| CN2410568Y (en) * | 1999-12-28 | 2000-12-13 | 庄明泉 | Extractor fan |
| TW201900996A (en) * | 2017-05-24 | 2019-01-01 | 建造金屬工業股份有限公司 | Ventilation heat-dissipation device which can be easily installed on the roof to fast exhaust hot air and effectively prevent rainwater from entering the house |
| CN210292191U (en) * | 2019-01-31 | 2020-04-10 | 建造金属工业股份有限公司 | Roof ventilation and heat dissipation device |
-
2019
- 2019-01-31 CN CN201910095516.1A patent/CN111503808A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000145064A (en) * | 1998-11-04 | 2000-05-26 | Sekisui Chem Co Ltd | Coping structure, and building ventilation structure |
| CN2410568Y (en) * | 1999-12-28 | 2000-12-13 | 庄明泉 | Extractor fan |
| TW201900996A (en) * | 2017-05-24 | 2019-01-01 | 建造金屬工業股份有限公司 | Ventilation heat-dissipation device which can be easily installed on the roof to fast exhaust hot air and effectively prevent rainwater from entering the house |
| CN210292191U (en) * | 2019-01-31 | 2020-04-10 | 建造金属工业股份有限公司 | Roof ventilation and heat dissipation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110877A (en) * | 2021-12-08 | 2022-03-01 | 黄淮学院 | Energy-saving ventilation building |
| CN114110877B (en) * | 2021-12-08 | 2022-11-25 | 黄淮学院 | Energy-saving ventilation building |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200807 |
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| WW01 | Invention patent application withdrawn after publication |