CN111637571A

CN111637571A - Ventilation lighting device

Info

Publication number: CN111637571A
Application number: CN202010616175.0A
Authority: CN
Inventors: 王政玉; 李春泥; 李元禾; 王超颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-09-08

Abstract

The present invention provides a ventilation lighting device, comprising: on the same axis, there is a curved streamlined body which is convex upwards, the central part of the curved streamlined body is opened with a vent hole, the lower part of the curved streamlined body is provided with a pipe barrel, the air outlet of the pipe barrel is connected with the curved streamlined body in a sealing way, the periphery of the air inlet of the pipe barrel is mounted with the space outside the air-changed space in a sealing way. The device can utilize natural wind power for ventilation and natural light for illumination, has no rotating part and does not need an external wind direction tracking device, thereby having simple structure, low cost, long service life and no noise; the ventilation efficiency is high. The method can be used for the places where structures need ventilation and illumination.

Description

Ventilation lighting device

Technical Field

The invention relates to the fields of aerodynamics, thermodynamics and optics, in particular to a natural exhaust and illumination system utilizing natural wind, natural light and indoor hot air.

Background

With the depletion of fossil energy and the environmental pollution thereof, people increasingly attach importance to the utilization of renewable energy, and wind energy, solar energy and the like are utilized in many aspects as renewable energy, wherein the utilization has been promoted to some extent in the aspect of ventilation and lighting.

At present, several ventilation devices using natural wind are commonly used, including: (1) the spherical unpowered fan drives the wind wheel to rotate by utilizing natural wind to generate centrifugal action and discharge indoor dirty gas under the action of hot gas buoyancy in a building space. It has the advantages that: firstly, the appearance is beautiful; and the second is to automatically adapt to the incoming wind in all directions. Its disadvantages are: firstly, the continuous rotating bearing is easy to damage and generates large noise; secondly, the air exhaust amount is low; thirdly, the manufacturing process is more complicated; and fourthly, the integration of natural light for indoor lighting is difficult to realize. (2) Venturi-type ventilators use a low pressure zone created by the natural wind passing through a jet or laval jet to draw dirty air from a room. It has the advantages that: firstly, the structure is simple, and the manufacturing process is simple; secondly, the cost is lower. Its disadvantages are: firstly, a wind direction tracking device is generally added; secondly, it is difficult to realize the integrated utilization of natural light for indoor lighting. (3) Wing ventilation device, for example the inventor's invention: the exhaust device of patent No. 201010594258.0 has the following advantages: firstly, the structure is simpler; secondly, high-speed rotation is not needed, and maintenance is basically not needed. Its disadvantages are: firstly, a wind direction tracking device is added; secondly, it is difficult to realize the integrated utilization of natural light for indoor lighting. (4) The air-gathering suction type ventilation device, for example, invented by the present inventors: patent No. 201010241209.9, an orderly flow generating device, has the function of ventilating, its advantage: firstly, the structure is simple, and an air alignment device is not needed; and secondly, no rotating part and no maintenance are needed. Its disadvantages are: and the lighting function is not provided.

At present, the lighting devices using sunlight mainly include: (1) the lighting system composed of the condenser and the light pipe is characterized by simple structure and practicality; but only with a lighting function. (2) The lighting system composed of condenser, optical fibre and diffuser features that multiple light paths can be used for output, but its cost is high and its function is single.

Currently, a ventilation lighting device using natural wind and natural light has: (1) the ventilation and illumination integrated structure using natural wind and natural light, for example: the integral light guide lighting-ventilating system consists of lighting hood, light guide pipe, sunlight diffuser, wind collecting flow guider, ventilating pipe, automatic wind valve, etc. it features that the wind collecting flow guider can make fresh air enter indoor space in windward side and make dirty air exhaust in leeward side. See the integrated system of light guide illumination and ventilation with zero energy consumption and zero pollution published by the Chinese Hopki. (2) Split-type structures for ventilation lighting with natural light and electric fans, for example: the chinese patent CN105823006A discloses a CPC light-gathering light-guide lighting ventilation system, in which a lighting part and a ventilation part are separately arranged, and an electric duct fan is installed in the ventilation duct. The following steps are repeated: the Chinese patent CN206531007U discloses an energy-saving lighting and ventilating device for buildings, the lighting part and the ventilating part of which are separately arranged, one side of a light guide pipe is provided with an air inlet pipeline and an air inlet fan, and the other side is provided with an air outlet pipeline and an exhaust fan.

Disclosure of Invention

The technical problem solved by the invention is as follows: the ventilating and lighting device which has simple structure, low cost and high air exhaust efficiency and can utilize natural wind power for ventilation and natural light for lighting is sought.

In order to achieve the above objects and solve the above technical problems, the present invention provides a technical solution:

a ventilated lighting device comprising: on the same axis, there is a curved streamlined body which is convex upwards, the central part of the curved streamlined body is opened with a vent hole, the lower part of the curved streamlined body is provided with a pipe barrel, the air outlet of the pipe barrel is connected with the curved streamlined body in a sealing way, and the periphery of the outer wall of the pipe barrel and the space outer body of the exchanged air are installed in a sealing way. The technical scheme can be used for ventilation and illumination on buildings in areas without rain or with little rain.

The curved surface streamline body is a streamline body which can generate adhesion flow when cutting into the surface of a curved surface for external fluid, and comprises: the periphery has the spherical crown or the spherical table surface body of horizontal edge or not, rotates parabolic body, conical surface body, sphere cone, convex lens shape body, fresnel lens body, "diamond" shape body, streamlined daylighting cover body etc. when the fluid flows through the central air vent of curved surface fluid, produce the negative pressure at the air vent to the air that drives the bobbin in flows. The curved streamline body is made of transparent or non-transparent materials, and can be used as a ventilation device when the non-transparent materials are adopted, and the transparent body can ventilate and illuminate; the curved streamline body can be a transparent or non-transparent streamline body compounded by one layer or two layers of shells with different sizes and radians. The inner wall of the tube barrel can be polished or provided with a reflective layer. The light irradiates on the transparent curved streamline body, irradiates on the inner wall of the pipe barrel with the light reflection function after refraction, and finally irradiates in the space. The tube barrel can be an equal-diameter tube barrel or an unequal-diameter tube barrel with a certain taper, so that stacking and transportation are facilitated under the condition that good refraction of light is guaranteed.

The above ventilating and lighting device can be selected as follows: an air amplification ventilator is arranged at the air inlet of the pipe barrel. The air amplification ventilator is an annular air multiplier, and when no wind exists outside or the wind power is small, the air amplification ventilator drives peripheral low-pressure low-speed dirty air to be discharged through externally connected high-speed or high-pressure gas.

The above ventilating and lighting device can be selected as follows: a water receiver is arranged at the lower part of the air vent in the center of the upward convex curved streamline body, a plurality of air passages are arranged between the edge of the upper part of the water receiver and the curved streamline body, the water receiver is communicated with a flow guide pipe, the flow guide pipe is communicated with the outside through the pipe wall, when rainwater exists in the water receiver, the rainwater can flow out through the flow guide pipe, the water receiver is a transparent body or a non-transparent body, the preferable scheme is that an arc-shaped transparent body with an upward concave surface is adopted, and the flow guide pipe is; or the arc transparent body with the upward convex surface is provided with an accumulated water groove which is rolled up upwards at the periphery of the arc transparent body with the upward convex surface, and the flow guide pipe is connected to the bottom of the groove.

The above ventilating and lighting device can be selected as follows: a cover body is arranged at the upper part of the curved surface streamline body, and a supporting rod is arranged between the cover body and the curved surface streamline body at a certain distance; the cover body is a transparent or non-transparent flat plate body or a lighting and condensing lens cover body or an upward-convex arc-shaped plate body or an upward-downward-convex arc-shaped plate body formed by compounding two arc-shaped plate bodies. The transparent cover body has the functions of rain shielding, light gathering and transmission and can improve the flow rate of gas.

The above ventilating and lighting device can be selected as follows: the cover body is a lighting condensing lens cover body, the curved surface streamline body is a transparent body, the inner wall of the pipe barrel is provided with a reflecting layer, and the air inlet of the pipe barrel is provided with a diffusing mirror or a light homogenizing plate.

The above ventilating and lighting device can be selected as follows: the cover body is a lighting condensing lens cover body, the curved surface streamline body is a transparent body, an additional light guide body is arranged in the pipe barrel, the outer diameter of the additional light guide body is smaller than the inner diameter of the pipe barrel, and the additional light guide body is fixed on the inner wall of the pipe barrel through a support rod.

The above ventilating and lighting device can be selected as follows: the additional light guide body is an additional light guide pipe, the additional light guide pipe and the pipe barrel are coaxial, the outer diameter of the additional light guide pipe is smaller than the inner diameter of the pipe barrel, and the inner surface or the outer surface of the additional light guide pipe is provided with a reflecting layer. The upper part of the light outlet of the additional light pipe can be also provided with an auxiliary illuminating lamp and a reflecting plate. The light outlet of the additional light pipe can be provided with a diffusion mirror or a light homogenizing plate. The additional light guide pipe can be an equal-diameter light guide pipe barrel and also can be an unequal-diameter light guide pipe barrel with a certain taper, and therefore stacking and transportation are facilitated under the condition that good refraction of light is guaranteed.

The above ventilating and lighting device can be selected as follows: the additional light guide body is an optical fiber bundle fixed by a sleeve, the outer diameter of the sleeve is smaller than the inner diameter of the tube barrel, a light outlet end of the optical fiber bundle is provided with a diffusion mirror or a light homogenizing plate, and an auxiliary electric illuminating lamp is arranged in the diffusion mirror or the light homogenizing plate. The light-entering end of the optical fiber bundle can be a curved surface body formed by gathering end faces of optical fibers; the light-entering end of the optical fiber bundle can also be provided with a condensing lens. The power supply of the electric lighting lamp can be a conventional power supply, can also be a photovoltaic power supply, or can be a power supply cooperatively supplied by two power supplies, and the power supply is connected with the auxiliary electric lighting lamp through the light sensor.

The above ventilating and lighting device can be selected as follows: more than 4 flow collecting plates are radially and uniformly arranged between the upper surface of the bulge of the curved surface streamline body and the lower surface of the cover body by taking the axis as the center and are perpendicular to the upper surface of the curved surface streamline body and the lower surface of the cover body.

The above ventilating and lighting device can be selected as follows: an inflow supporting plate extending outwards is arranged at the outer edge of the curved streamline body or the cover body, and an air amplification ventilator is arranged at an air inlet of the pipe barrel. For the ventilation and illumination device with the additional light guide body, an electric fan, an automatic air door valve and an air filter can be arranged in the air channel of the pipe barrel. The electric ventilator can be a fan driven by an outer rotor or inner rotor motor; the power supply of the motor can be a conventional power supply, a photovoltaic power supply or a power supply cooperatively supplied by two power supplies, and the power supply is connected with the motor through the wind speed sensor.

The above ventilating and lighting device can be selected as follows: an inflow supporting plate extending outwards is arranged at the outer edge of the curved streamline body or the outer edge of the cover body, and an automatic throttle valve is arranged in the pipe barrel.

The above ventilating and lighting device can be selected as follows: the upper part of the curved surface streamline body is provided with a cover body at an interval of a certain distance, a support rod is arranged between the cover body and the curved surface streamline body, the support rod is a hollow support rod, the cover body is a curved surface streamline transparent cavity shell, a through-flow hole is formed in the lower cover body of the cavity shell on one side of an air vent on the curved surface streamline body corresponding to the cavity shell, and the hollow support rod is used for communicating the cavity of the cover body with the inner cavity of the pipe barrel. The air outlet quantity can be improved by increasing the through-flow hole on the cavity cover body. When the airflow flows through the space between the cover body and the curved streamline body, negative pressure is generated at the vent hole of the curved streamline body and the vent hole at the lower part of the cover body, and the air in the pipe barrel is driven to flow out. The air communication function of the hollow support rod can also be realized by communicating a communication pipe between the cover body and the pipe barrel.

The above ventilating and lighting device can be selected as follows: a protective cover is arranged between the outer edge of the curved streamlined body and the outer edge of the cover body, and a protective net cover prevents birds and the like from entering the protective net cover.

The above ventilating and lighting device can be selected as follows: LED lamps are arranged on the periphery of the lower surface of the cover body, the periphery of the upper surface of the curved streamline body or the lower surface of the inflow supporting plate.

The ventilating and lighting device can be installed obliquely or vertically according to the local illumination angle and the air flow angle.

The beneficial effects are that: (1) the device can utilize natural wind power for ventilation and natural light for illumination, has no rotating part and no need of an external wind direction tracking device, and has the advantages of simple structure, low cost, long service life and no noise. (2) In the aspect of ventilation, tests show that compared with a spherical rotary unpowered fan with the same size, the basic type (the structure without the cover body) of the device has the advantages that when the incoming wind speed is 2.5m/s, the air draft speed of the device reaches 2m/s, and the spherical unpowered fan only reaches 1.6 m/s; when the external wind speed is 4.5m/s, the air draft speed of the device reaches 3.5m/s, and the spherical unpowered fan only reaches 2.8 m/s; when the external wind speed is 11m/s, the air draft speed of the device reaches 7.6m/s, the spherical unpowered fan only reaches 6m/s, and the ventilation efficiency is greatly improved. (3) The comfort of space illumination is improved in terms of illumination. (4) The wide application of the device can save fossil energy and reduce pollutant emission.

The invention is further described with reference to the following figures and detailed description.

Description of the drawings:

fig. 1 is a schematic view of a basic structure of a ventilation lighting device of the present invention.

Fig. 2 is a schematic structural view of a ventilation lighting device with water receiving and draining functions according to the present invention.

Fig. 3 is a schematic structural diagram of a ventilation lighting device with a cover according to the present invention.

Fig. 4 is a schematic structural view of a ventilation lighting device with a light-gathering cover body and a convex lens curved streamlined body according to the present invention.

Fig. 5 is a schematic structural view of a ventilation and illumination apparatus with a light-gathering cover, an additional light pipe, an additional illumination lamp, an air filter, and an electric ventilator according to the present invention.

Fig. 6 is a schematic structural view of a ventilation lighting device with a fresnel lens cover, a fiber bundle, an automatic air door valve, and an electric ventilator according to the present invention.

In the figure: 1. the air conditioner comprises a curved streamline body, 2. vent holes, 3. pipe barrel, 4. water receiver, 5. flow guide pipe, 6. curved streamline body inflow support plate, 7. space outer body, 8. water receiver air duct, 9. cover body, 10. support rod between cover body and curved streamline body, 11. cover body inflow support plate, 12. cover body LED lamp, 13. pipe barrel upper part reflector, 14. pipe barrel upper part LED lamp, 15. light conductor, 16. pipe barrel and light conductor support rod, 17. electric ventilator, 18. filter screen, 19. light guide pipe diffuser or light homogenizing plate, 20. light guide pipe lower part reflector, 21. light guide pipe lower part LED lamp, 22. optical fiber, 23. optical fiber diffuser, 24. protective screen and 25. automatic air door valve.

In the figure: the solid line with arrows represents the gas flow lines, the dashed line with arrows represents the light rays passing through the optical center of the lens, the two-dot dashed line with arrows represents the light rays passing through the focal point of the lens, the dashed line with arrows represents the light rays parallel to the principal optical axis, and the dashed line with arrows represents the light rays passing through the lens in any direction.

Detailed Description

The invention is further illustrated by the following specific examples, which are intended to be illustrative of the invention and are not intended to be a further limitation of the invention.

A ventilated lighting device as shown in fig. 1, comprising: on the same axis, a curved surface streamline body 1 which protrudes upwards is arranged, a vent hole 2 with the diameter of 190 mm is arranged at the central part of the curved surface streamline body, a pipe barrel 3 with the diameter of 500 mm is arranged at the lower part of the curved surface streamline body, an air outlet of the pipe barrel 3 is hermetically connected with the curved surface streamline body 1, the periphery of the outer wall of the pipe barrel 3 is hermetically installed with a space outer body 7 which is ventilated, and the inner surface of the pipe barrel 3 is polished or is laid with a reflective membrane.

The curved surface streamline body 1 is a convex lens-shaped body, when air flow flows through the central vent hole 2 of the curved surface fluid body 1, negative pressure is generated at the vent hole 2, and air in the pipe barrel 3 is driven to flow out. The light rays pass through the convex lens-shaped surface body 1 and enter the tube barrel 3 through refraction, and the light rays are radiated to a space needing illumination by the reflective film on the inner wall of the tube barrel.

A ventilated lighting device as shown in fig. 2, comprising: on the same axis, a curved surface streamline body 1 which protrudes upwards is arranged, the curved surface streamline body is a spherical crown surface transparent shell, the central part of the curved surface streamline body 1 is provided with an air vent 2 with the diameter of 200 mm, the outer edge of the curved surface streamline body is provided with an inflow supporting plate 6, the lower part of the curved surface streamline body 1 is provided with a pipe barrel 3 with the inner diameter of 500 mm, the air outlet of the pipe barrel 3 is hermetically connected with the curved surface streamline body 1, and the peripheral outer wall of the pipe barrel 3 and a space outer body 7 which is ventilated are hermetically arranged. The center below bellied curved surface streamlined body 1 that makes progress is equipped with water collector 4, is equipped with 6 ventiducts 8 between the below of 4 upper portions of water collector and curved surface streamlined body 1, and water collector 4 bottom is connect and is had internal diameter 10 millimeters honeycomb duct 5, and honeycomb duct 5 passes through the wall and the outside intercommunication of bobbin 3, and accessible honeycomb duct 5 flows out when having the rainwater in water collector 4, and water collector 4 is the ascending arc transparent body of concave surface. When the air flow flows through the central through hole 2 of the curved fluid, negative pressure is generated at the through hole 2, and the air in the pipe barrel 3 is driven to flow out.

A ventilated lighting device as shown in fig. 3, comprising: on the same axis, a curved surface streamline body 1 which protrudes upwards is arranged, the curved surface streamline body 1 is a transparent paraboloidal shell, a 200 mm vent hole 2 is formed in the center of the curved surface streamline body 1, an inflow supporting plate 6 is arranged on the outer edge of the curved surface streamline body, a pipe barrel 3 with the inner diameter of 560 mm is arranged on the lower portion of the curved surface streamline body 1, an air outlet of the pipe barrel 3 is connected with the curved surface streamline body 1 in a sealing mode, and the periphery of an air inlet of the pipe barrel 3 and an outer space body 7 which is ventilated are installed in a sealing mode. A cover body 9 is arranged on the upper part of the curved surface streamlined body 1 at a distance of 90 mm, and a support rod 10 is arranged between the cover body 9 and the curved surface streamlined body 1; the cover 9 is a transparent light-collecting and light-gathering convex lens cover with a cover inflow support plate 11 at the outer edge. The inner wall surface of the pipe barrel 3 is provided with a reflective film. An LED lamp 12 is arranged on the periphery of the bottom of the inflow supporting plate of the cover body 9, and the LED lamp 12 is connected with a power supply through a light sensing switch. A reflector 13 and an LED lamp 14 are arranged on the periphery of the inner wall surface of the connecting part of the concave surface of the curved streamlined body 1 and the pipe barrel 3 or the inner wall surface of the pipe barrel 3, and the LED lamp 14 is connected with a power supply through a light sensing switch.

A ventilated lighting device as shown in fig. 4, comprising: on the same axis, a curved surface streamline body 1 which is convex upwards is arranged, the curved surface streamline body 1 is a single-sided convex lens, the central part of the curved surface streamline body 1 is provided with an air vent 2 with the diameter of 160 mm, the outer edge of the curved surface streamline body is provided with an inflow supporting plate 6, the lower part of the curved surface streamline body 1 is provided with a pipe barrel 3 with the inner diameter of 500 mm, the air outlet of the pipe barrel 3 is hermetically connected with the curved surface streamline body 1, and the periphery of the air inlet of the pipe barrel 3 and a space outer body 7 which is ventilated are hermetically arranged. A cover body 9 is arranged at the upper part of the curved surface streamlined body 1 at a distance of 90 mm, and a support rod 10 is arranged between the cover body 9 and the curved surface streamlined body 1; the cover 9 is a transparent light collecting and condensing lens cover with an inflow support plate 11 at the outer edge. The inner wall surface of the pipe barrel 3 is provided with a reflective film.

A ventilated lighting device as shown in fig. 5, comprising: on the same axis, a curved surface streamline body 1 which protrudes upwards is arranged, the curved surface streamline body 1 is a transparent conical shell, a vent hole 2 with the diameter of 200 mm is formed in the center of the curved surface streamline body 1, a flow inlet supporting plate 6 is arranged on the outer edge of the curved surface streamline body, a pipe barrel 3 with the inner diameter of 530 mm is arranged on the lower portion of the curved surface streamline body 1, an air outlet of the pipe barrel 3 is connected with the curved surface streamline body 1 in a sealing mode, and the periphery of an air inlet of the pipe barrel 3 and a space outer body 7 which is ventilated are installed. A cover body 9 is arranged on the upper part of the curved surface streamlined body 1 at an interval of 95 mm, and a support rod 10 is arranged between the cover body 9 and the curved surface streamlined body 1; the cover 9 is a transparent light collecting and condensing lens cover with an inflow support plate 11 at the outer edge. The tube 3 is provided with an additional light guide 15, which is a light pipe, and the light pipe 15 is fixed to the inner wall of the tube 3 by a support rod 16. The outlet of the light pipe is provided with a diffusion mirror 19, and the inner wall of the upper part of the outlet of the light pipe is provided with a reflecting plate 20 and an auxiliary illuminating lamp 21. An electric ventilator 17 is arranged between the air inlet of the pipe barrel 3 and the outer wall of the light guide pipe. An air filter 18 is also provided at the air inlet of the tube 3. The power supply of the auxiliary illuminating lamp 21 and the electric ventilator 17 can be a conventional power supply, a photovoltaic power supply or a power supply cooperatively supplied by two power supplies, and the power supplies are respectively connected with the auxiliary electric illuminating lamp and the electric ventilator through a light sensor and a wind speed sensor.

A ventilated lighting device as shown in fig. 6, comprising: on the same axis, a curved surface streamline body 1 which protrudes upwards is arranged, the curved surface streamline body 1 is a transparent spherical crown-shaped shell, the central part of the curved surface streamline body 1 is provided with an air vent 2 with the diameter of 200 mm, the outer edge of the curved surface streamline body is provided with an inflow supporting plate 6, the lower part of the curved surface streamline body 1 is provided with a pipe barrel 3 with the inner diameter of 600 mm, the air outlet of the pipe barrel 3 is hermetically connected with the curved surface streamline body 1, and the periphery of the air inlet of the pipe barrel 3 and a space outer body 7 which is ventilated are hermetically arranged. A cover body 9 is arranged on the upper part of the curved surface streamlined body 1 at an interval of 95 mm, and a support rod 10 is arranged between the cover body 9 and the curved surface streamlined body 1; the periphery of the support bar 10 is provided with a protective mesh enclosure 24. The cover 9 is a transparent lighting and condensing Fresnel lens type cover or a diamond-shaped condensing cover with an inflow support plate 11 at the outer edge. The tube barrel 3 is provided with an additional light guide 15, which is an optical fiber bundle with a protective tube on the outer surface, and the optical fiber bundle type light guide 15 is fixed on the inner wall of the tube barrel 3 through a support rod 16. A diffuser 23 is provided at the exit of the optical fiber 22. An electric ventilator 17 is arranged between the air inlet of the pipe barrel 3 and the outer wall of the optical fiber bundle protection pipe, and the electric ventilator 17 is connected with a power supply through an air speed sensor. An automatic air gate valve 25 is also provided at the air inlet of the barrel 3.

While the apparatus of the present invention has been described in connection with preferred embodiments, the invention is not limited to the specific structural forms set forth herein, but, on the contrary, it is intended to cover such alternatives, modifications, and equivalents as may be derived from subcombinations of the various features and elements, as may be included within the scope of the invention as defined by the appended claims.

Claims

1. A ventilated lighting device, characterized by: on the same axis, there is a curved streamlined body which is convex upwards, the central part of the curved streamlined body is opened with a vent hole, the lower part of the curved streamlined body is provided with a pipe barrel, the air outlet of the pipe barrel is connected with the curved streamlined body in a sealing way, and the periphery of the outer wall of the pipe barrel and the space outer body of the exchanged air are installed in a sealing way.

2. A ventilating lighting device according to claim 1, characterized in that: the water receiver is arranged at the lower part of a central air vent of the upwards convex curved streamline body, an air passage is arranged between the edge of the upper part of the water receiver and the curved streamline body, the water receiver is communicated with a flow guide pipe, and the flow guide pipe is communicated with the outside through a pipe barrel wall.

3. A ventilating lighting device according to claim 1, characterized in that: a cover body is arranged on the upper portion of the curved surface streamline body at a certain interval, and a support rod is arranged between the cover body and the curved surface streamline body.

4. A ventilating lighting device according to claim 3, characterized in that: the cover body is a lighting condensing lens cover body, the curved surface streamline body is a transparent body, the inner wall of the pipe barrel is provided with a reflecting layer, and the air inlet of the pipe barrel is provided with a diffusing mirror or a light homogenizing plate.

5. A ventilating lighting device according to claim 3, characterized in that: the cover body is a lighting condensing lens cover body, the curved surface streamline body is a transparent body, an additional light guide body is arranged in the pipe barrel, the outer diameter of the additional light guide body is smaller than the inner diameter of the pipe barrel, and the additional light guide body is fixed on the inner wall of the pipe barrel through a support rod.

6. A ventilating lighting device according to claim 5, characterized in that: the additional light guide body is an additional light guide pipe, the additional light guide pipe and the pipe barrel are coaxial, the outer diameter of the additional light guide pipe is smaller than the inner diameter of the pipe barrel, the inner surface or the inner surface and the outer surface of the additional light guide pipe are provided with reflecting layers, and a light outlet of the additional light guide pipe is provided with a diffusing mirror or a light homogenizing plate.

7. A ventilating lighting device according to claim 5, characterized in that: the additional light guide body is an optical fiber bundle fixed by a sleeve, the outer diameter of the sleeve is smaller than the inner diameter of the tube barrel, a light outlet end of the optical fiber bundle is provided with a diffusion mirror or a light homogenizing plate, and an auxiliary electric illuminating lamp is arranged in the diffusion mirror or the light homogenizing plate.

8. A ventilating lighting device according to claim 3 or 4 or 5 or 6 or 7, wherein: more than 4 flow collecting plates are radially and uniformly arranged between the upper surface of the bulge of the curved surface streamline body and the lower surface of the cover body by taking the axis as the center and are perpendicular to the upper surface of the curved surface streamline body and the lower surface of the cover body.

9. A ventilating lighting device according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, characterized in that: an inflow supporting plate extending outwards is arranged at the outer edge of the curved streamline body or the cover body, and an air amplification ventilator is arranged at an air inlet of the pipe barrel.

10. A ventilating lighting device according to claim 3 or 4 or 5 or 6 or 7, wherein: the upper part of the curved surface streamline body is provided with a cover body at an interval of a certain distance, a support rod is arranged between the cover body and the curved surface streamline body, the support rod is a hollow support rod, the cover body is a curved surface streamline transparent cavity shell, the lower shell of the cover body cavity shell is provided with a through hole on one side of an air vent on the curved surface streamline body corresponding to the cavity shell of the cover body, and the hollow support rod communicates the cover body cavity with the inner cavity of the pipe barrel.