CN216591486U

CN216591486U - Multi-band uniform light generation system

Info

Publication number: CN216591486U
Application number: CN202123162137.1U
Authority: CN
Inventors: 杨晨; 秦泽生; 宋家勇
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-24
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a multiband uniform light generation system, which comprises: the reflecting mirror comprises an arc-shaped body, a reflecting mirror body and a reflecting mirror body, wherein the arc-shaped body is an arc-shaped shell with an opening at the bottom surface at the lower part; the bottom plate is provided with a light outlet in the center and connected to the bottom opening of the cambered surface body, the bottom plate seals the bottom opening of the cambered surface body, and the center of the light outlet is positioned on the central axis of the cambered surface body; the light-emitting part is fixedly connected to the inner surface of the cambered surface body and is formed by combining more than 1 LED with different wavelengths; the heat conduction pipe is wound on the outer surface of the cambered surface body, and water is filled in the heat conduction pipe; the inlet and the outlet of the radiator are respectively communicated with two ends of the heat conduction pipe; and the water pump is connected in series on the heat conduction pipe. The problem that in the prior art, heat dissipation is poor, so that the continuous service time is short is solved.

Description

Multi-band uniform light generation system

Technical Field

The utility model relates to a multiband uniform light generation system, and belongs to the technical field of uniform light generation systems.

Background

The generation of uniform light intensity is a necessary condition for special experiments, such as laboratories that require uniform light intensity sources when testing the luminous efficiency of solar panels. Therefore, it is necessary to design and manufacture a device capable of providing uniform light intensity. The existing uniform light intensity device has the defects that,

a chinese patent application No. 202120845452, comprising: the semi-spherical tank is arranged at the bottom of the semi-spherical tank; the center of the bottom of the hemispherical tank is provided with a uniform light source light outlet; the non-uniform light source is fixed around the light outlet of the uniform light source.

Another chinese patent, as identified in application No. 2021208454525, includes: the spherical cap body is a spherical cap-shaped shell with an opening at the bottom surface at the lower part, and diffuse reflection materials are uniformly coated on the inner surface of the spherical cap body; the bottom plate is fixedly connected to the bottom surface of the spherical crown body, and the bottom plate seals the bottom surface of the spherical crown body; further comprising: the illuminating part comprises n groups, wherein n is a positive even number more than 4, and the n groups of LED lamps are uniformly and symmetrically distributed around the central axis of the spherical crown body.

The two kinds of light homogenizing generating systems have the problems that the continuous service time is short due to poor heat dissipation, the existing heat dissipation depends on the temperature difference between the outer surface and the air on the outer surface to generate heat exchange so as to realize temperature reduction, but the air heat conducting performance is poor, so that the existing light homogenizing generating system has poor heat dissipation.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: a multi-band uniform light generating system is provided to overcome the shortcomings of the prior art.

The technical scheme of the utility model is as follows: a multi-band dodging system, comprising:

the reflecting mirror comprises an arc-shaped body, a reflecting mirror body and a reflecting mirror body, wherein the arc-shaped body is an arc-shaped shell with an opening at the bottom surface at the lower part;

the bottom plate is provided with a light outlet in the center and connected to the bottom opening of the cambered surface body, the bottom plate seals the bottom opening of the cambered surface body, and the center of the light outlet is positioned on the central axis of the cambered surface body;

the luminous part is arranged in a closed space enclosed by the cambered surface body and the bottom plate;

the heat conduction pipe is wound on the outer surface of the cambered surface body, and water is filled in the heat conduction pipe;

the inlet and the outlet of the radiator are respectively communicated with the two ends of the heat conduction pipe;

and the water pump is connected in series on the heat conduction pipe.

Further, the light emitting section is formed by combining 1 or more LEDs of different wavelengths.

Further, the heat conduction pipe is a copper pipe.

Further, still include:

the semiconductor refrigeration piece is arranged on the radiator and electrically connected with the water pump.

Further, still include:

the first one-way check valve is arranged on the heat conduction pipe between the outlet of the radiator and the cambered surface body, and the conduction direction of the first one-way check valve is the same as the water pumping direction of the water pump;

the second one-way check valve is arranged on the heat conduction pipe between the inlet of the radiator and the cambered surface body, and the conduction direction of the second one-way check valve is the same as the water pumping direction of the water pump;

wherein the heat pipe is not filled with water in the heat pipe.

Further, the cambered surface body is a spherical crown body, a paraboloid, a hyperboloid or an ellipsoid.

Furthermore, the light emitting parts comprise n groups, wherein n is a positive even number more than 4, and the n groups of light emitting parts are uniformly and symmetrically distributed around the central axis of the cambered surface body.

Further, the diffuse reflection material is magnesium oxide or barium sulfate.

Further, still include:

the LED power panel is electrically connected with the light emitting part;

and the controller is electrically connected with the LED power panel.

The utility model has the beneficial effects that: compared with the prior art, the method has the advantages that,

1) according to the utility model, water is driven by the water pump to flow between the heat conduction pipe and the radiator, the heat on the cambered surface body is brought to the radiator by the water, the radiator utilizes the high-efficiency heat dissipation efficiency of the radiator to cool the water, and the cooled water flows through the surface of the cambered surface body again to cool the cambered surface body;

2) the light emitting part is formed by combining more than 1 LED with different wavelengths, so that the light emitting part can output various uniform broad spectrum illumination, and can realize independent illumination of single waveband color.

Drawings

FIG. 1 is a schematic structural view of examples 1 and 2 of the present invention;

FIG. 2 is a top view of examples 1 and 2 of the present invention;

FIG. 3 is a broken-away cross-sectional view of the embodiment 1 of the present invention without the heat sink and copper tube mounted thereon;

FIG. 4 is a broken-away cross-sectional view of the case where the heat sink and the copper pipe are not mounted in accordance with example 2 of the present invention;

FIG. 5 is a block diagram of the electrical connections at the controller of examples 1 and 2 of the present invention;

fig. 6 is a block diagram of circuit connections at the water pump according to

embodiments

1 and 2 of the present invention.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.

Example 1 was carried out: referring to fig. 1, 2, 3, 5 and 6, a multi-band dodging system comprising: the reflecting mirror comprises an arc surface body 1, wherein the arc surface body 1 is an arc shell with an opening at the bottom surface at the lower part, and diffuse reflection materials are uniformly coated on the inner surface of the arc surface body 1; the center of the bottom plate 2 is provided with a light outlet 2-1, the bottom plate 2 is connected to the bottom opening of the cambered surface body 1, the bottom plate 2 seals the bottom opening of the cambered surface body 1, and the center of the light outlet 2-1 is positioned on the central axis of the cambered surface body 1; the light emitting part 3 is arranged in a closed space surrounded by the arc surface body 1 and the bottom plate 2, the light emitting part is positioned on the inner surface of the arc surface body 1 in the embodiment, and the light emitting part 3 is formed by combining more than 1 LED with different wavelengths; the heat conduction pipe 4 is wound on the outer surface of the cambered surface body, and water is filled into the heat conduction pipe 4; the inlet and the outlet of the radiator 7 are respectively communicated with two ends of the heat conduction pipe 4; and the water pump 8 is connected in series with the heat conduction pipe 4.

The water pump drives the water to flow between the heat conduction pipe and the radiator, the water brings heat on the cambered surface body to the radiator, the radiator utilizes the high-efficiency heat dissipation efficiency of the radiator to cool the water, and the cooled water flows through the surface of the cambered surface body again to cool the cambered surface body.

The light emitting part 3 is formed by combining more than 1 LED with different wavelengths, so that the light emitting part can output various kinds of uniform wide-spectrum illumination, and can realize independent illumination of single waveband color.

Further, the heat conduction pipe 4 is a copper pipe.

The heat conduction efficiency of the heat conduction pipe 4 is made higher.

Further, still include: the semiconductor refrigeration piece 9, the semiconductor refrigeration piece 9 sets up on radiator 7, and semiconductor refrigeration piece 9 is connected with 8 wire connections of water pump.

The heat is applied to the hot surface of the semiconductor refrigeration sheet 9 through the radiator 7, so that the hot surface and the cold surface of the semiconductor refrigeration sheet generate temperature difference, the thermoelectric power generation is realized, and then the generated electricity is supplied to the pump.

Further, still include: the first one-way check valve 10 is arranged on the heat conduction pipe 4 between the outlet of the radiator 7 and the cambered surface body 1, and the conduction direction of the first one-way check valve 10 is the same as the water pumping direction of the water pump 8; the second one-way check valve 11 is arranged on the heat conducting pipe 4 between the inlet of the radiator 7 and the cambered surface body 1, and the conduction direction of the second one-way check valve 11 is the same as the water pumping direction of the water pump 8; the water in the heat transfer pipe 4 does not fill the heat transfer pipe 4.

The water is not filled with the heat pipe 4 and is expanded after the heated water becomes steam, expansion pressure pushes the second one-way check valve 11 to open and flow to the radiator 7, the steam cools down and condenses into water at the radiator 7 and produces negative pressure pulling water again and flows to the radiator, the hot water flows to the radiator after the semiconductor refrigeration piece produces the difference in temperature and makes the water pump start and drive rivers again and flow, thereby radiating start-up has been realized, when this kind of design makes originally not having external power supply, only need the heat of the cambered surface body just can realize the radiating start-up of radiator.

Further, the cambered surface body 1 is a spherical crown body, a paraboloid, a hyperboloid or an ellipsoid.

The light is concentrated on the central axis by a spherical crown body, a paraboloid, a hyperboloid or an ellipsoid.

Furthermore, the light-emitting part 3 comprises n groups, n is a positive even number greater than 4, and the n groups of light-emitting parts 3 are uniformly and symmetrically distributed around the central axis of the cambered surface body 1.

The symmetry of the light emitting section 3 makes the light emission of the dodging system more uniform.

Further, the diffuse reflection material is magnesium oxide or barium sulfate.

So that the light emitted by the light-emitting part can be diffused and reflected in the cambered surface.

Further, still include: the LED power panel 5 is connected with the light emitting part 3 through a wire; and the controller 6 is connected with the LED power panel 5 through a wire.

The LED lamp cluster controller controls the LED power panel through the controller, and programmable control of light emitting of the LED lamp cluster is achieved.

Example 2 was carried out: referring to fig. 1, 2, 4, 5 and 6, the present embodiment is different from embodiment 1 in that a light emitting portion 3 is located on the inner surface of a bottom plate.

The utility model principle is as follows: when the utility model is used, the water which is not filled with the heat conduction pipe 4 is utilized to change the heated water into steam and then expand, the expansion pressure pushes the second one-way check valve 11 to open to flow to the radiator 7, the steam is cooled and condensed at the radiator 7 to generate negative pressure to pull the water to flow to the radiator, the semiconductor refrigeration sheet generates temperature difference after hot water flows to the radiator to start the water pump and drive the water to flow, thereby realizing the starting of heat dissipation, when no external power supply is available initially, the heat of the cambered surface body is only needed to realize the starting of the heat dissipation of the radiator, the water flows between the heat conduction pipe and the radiator, the water brings the heat on the cambered surface body to the radiator, the radiator utilizes the high-efficiency heat dissipation efficiency to cool the water, the cooled water flows through the surface of the cambered surface body again to cool the cambered surface body, compared with the heat exchange efficiency of air, the utility model greatly improves the heat exchange efficiency, the duration of the use of the uniform light generation system is longer, and the light emitting part 3 is formed by combining more than 1 LED with different wavelengths, so that the light emitting part can output various uniform wide-spectrum illumination, and can realize the independent illumination of single waveband color.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A multi-band uniform light generating system, comprising:

the reflecting mirror comprises an arc surface body (1), wherein the arc surface body (1) is an arc shell with an opening at the bottom surface at the lower part, and diffuse reflection materials are uniformly coated on the inner surface of the arc surface body (1);

the light source device comprises a bottom plate (2), wherein a light outlet (2-1) is formed in the center of the bottom plate (2), the bottom plate (2) is connected to an opening in the bottom surface of an arc surface body (1), the opening in the bottom surface of the arc surface body (1) is sealed by the bottom plate (2), and the center of the light outlet (2-1) is located on the central axis of the arc surface body (1);

the luminous part (3), the luminous part (3) is arranged in a closed space surrounded by the cambered surface body (1) and the bottom plate (2);

the heat conduction pipe (4) is wound on the outer surface of the cambered surface body, and water is poured into the heat conduction pipe (4);

the inlet and the outlet of the radiator (7) are respectively communicated with the two ends of the heat conduction pipe (4);

and the water pump (8), wherein the water pump (8) is connected in series on the heat conduction pipe (4).

2. A multi-band uniform light generation system according to claim 1, characterized in that the light emitting part (3) is formed by a combination of more than 1 LED of different wavelengths.

3. A multi-band uniform light generation system according to claim 1, characterized in that the heat conducting pipe (4) is a copper pipe.

4. The multi-band uniform light generating system of claim 1, further comprising:

the semiconductor refrigeration piece (9), semiconductor refrigeration piece (9) set up on radiator (7), and semiconductor refrigeration piece (9) is connected with water pump (8) electricity.

5. The multi-band uniform light generation system according to any one of claims 1 to 4, further comprising:

the first one-way check valve (10) is arranged on the heat conduction pipe (4) between the outlet of the radiator (7) and the cambered surface body (1), and the conduction direction of the first one-way check valve (10) is the same as the water pumping direction of the water pump (8);

the second one-way check valve (11), the said second one-way check valve (11) is set up on the heat pipe (4) between body (1) of arc and the inlet of the heat sink (7), the direction of conducting of the second one-way check valve (11) is the same as pumping direction of the water pump (8);

wherein, the water in the heat conduction pipe (4) does not fill the heat conduction pipe (4).

6. A multi-band uniform light generation system according to claim 1, characterized in that the cambered body (1) is a spherical cap, a paraboloid, a hyperboloid or an ellipsoid.

7. The multiband dodging system according to claim 1, wherein the light emitting portions (3) comprise n groups, n being a positive even number of 4 or more, the n groups of light emitting portions (3) being uniformly and symmetrically distributed around the central axis of the cambered surface body (1).

8. The multi-band uniform light generation system according to claim 1, wherein the diffuse reflective material is magnesium oxide or barium sulfate.

9. The multi-band uniform light generation system of claim 2, further comprising:

the LED power panel (5), the LED power panel (5) is electrically connected with the light-emitting part (3);

the controller (6), controller (6) is connected with LED power strip (5) electricity.