WO2008055387A1

WO2008055387A1 - A heat dissipating apparatus for lamp and method thereof

Info

Publication number: WO2008055387A1
Application number: PCT/CN2006/003017
Authority: WO
Inventors: Hsin-Ning Kuan
Original assignee: Lo, Mei-Liang
Priority date: 2006-11-10
Filing date: 2006-11-10
Publication date: 2008-05-15
Also published as: AU2006350538A1; EP2080950A1; JP3155405U; CA2685094C; EP2080950A4; CA2685094A1

Abstract

A heat dissipating apparatus for lamp and method thereof are disclosed. The heat dissipating apparatus comprises a main body (1), which includes a cover. The cover seals off the top of a heat dissipating unit (11), and hence a sealed space is formed on the top portion of the heat dissipating unit (11). A plurality of light generating units (13), a light generating units array plate (12), an AC/DC converter (18) and at least one heat conducting pieces (16) are disposed in the sealed space. The light generating units array plate is incorporated into the opening which is located at the center or other appropriate position of the heat dissipating unit. The light generating units (13) extend laterally or towards the ground. The heat conducting pieces are disposed between the light generating units array plate and the heat dissipating pieces (111). The AC/DC converter (18) is provided in sealed space on top of light generating units array plate. The heat dissipating pieces (111) provided on the heat dissipating unit extend laterally or towards the ground. When heat is generated by the light generating units and the AC/DC adapter unit, the heat is dissipated by the heat dissipating pieces.

Description

Lighting heat dissipation method and structure thereof

The invention relates to a heat-dissipating heat-dissipating method and a structure thereof, in particular to a water-proof, dust-proof and the like, and has a fin which can prevent the gravity dust from being accumulated on the top and top heat-dissipating fins of the lamp due to gravity. On-chip, and the heat transfer method and structure of the lighting fixture that seriously affects the heat dissipation performance. Background technique

According to the lamps, garden lights, garden lights, outdoor lighting, etc. are all indispensable lighting fixtures on the road. Through the lighting of the above lamps, it can achieve the maintenance of nighttime home security, prevent smallness and strengthen the safety of people walking at night; Therefore, the convenience brought by lighting fixtures is unquestionable. However, although the lighting fixtures are practical, they still have the following disadvantages:

1. The illuminants used in conventional lighting fixtures mostly use sodium gas lamps, mercury lamps, metal lamps, etc. However, due to the different materials and usage methods, the requirements for heat dissipation are much lower than those with LEDs as the light source. LED's high luminous efficiency, long life, color variability and environmentally friendly nature make it a new light source for the new generation.

2. Conventional heat dissipation technology for high-power LEDs, most of which transfer heat energy to the top of the lamp housing, and even extend the heat dissipation base fins on the lamp housing; however, this design is easy to cause dust accumulation, bird nesting, External environmental factors such as bird droppings seriously affect the heat dissipation effect, and even lead to severe light decay of the lamps and shortened life.

It can be seen that there are still many missing items in the above-mentioned household items, which is not a good designer, but needs to be improved. Summary of the invention

The object of the present invention is to provide a heat transfer method and structure for a lighting fixture having the functions of dustproof, waterproof, insect proof and rust proof.

The second object of the present invention is to provide a method for using the anti-gravity to avoid gravity dust accumulation due to gravity, and to extend the heat-dissipating base fin toward the ground and the side, thereby achieving better cold air. The upward airflow pressure enhances the heat dissipation effect, and also avoids external factors such as dust accumulation, which affects the heat dissipation performance, and achieves an optimal heat dissipation mechanism for the heat dissipation method and structure of the lighting fixture.

Another object of the present invention is to provide a method and structure for heat dissipation of a lighting fixture for power saving purposes by providing a DC power supply for an illuminant through an AC/DC power conversion supply. Another object of the present invention is to provide a time program control and sensing point-off circuit and an overheat protection circuit in an AC/DC power conversion supply to automatically turn on and off the illuminant and avoid illuminant The heat transfer method and structure of the lighting fixture burned at a high temperature.

The heat-dissipating heat-dissipating method and structure of the lighting fixture capable of achieving the above object of the invention mainly include a light pole and a lamp body which are combined or appropriately separated, and the lamp body comprises a lamp shell, an illuminant or a plurality of illuminant array substrates, An AC/DC power conversion supply, a heat dissipating fin having at least one or more heat conducting members; bonding the illuminator array substrate to a central or appropriate position opening of the heat dissipating fin, thereby causing the illuminator array substrate to contact the heat dissipating fin The illuminating body is disposed downward or inwardly and outwardly, and the heat dissipating base fins on the heat dissipating fins are also extended toward the ground and the side surface, and the heat conducting member is disposed between the illuminator array substrate and the heat sinking base fin. The AC/DC power conversion supply device can be attached to the top surface of the illuminant heat dissipation substrate, and finally the top lamp housing is covered on the top surface of the heat dissipation fin to illuminate the heat dissipation substrate, the heat conduction member and the AC/DC power conversion converter. Completely closed to form a sealed space; when the illuminant heat-dissipating substrate receives the heat energy generated by the illuminator, The piece is transferred to the heat dissipating fins, and finally through the heat dissipating base fins of the heat dissipating fins to dissipate the atmosphere to achieve the purpose of heat dissipation; in addition, the fins of the heat dissipating fins extend toward the ground for complete avoidance Gravity gravity dust accumulation, and affecting the heat dissipation performance, the illuminant can work stably at low temperature, thereby prolonging the service life and not causing light decay due to high temperature, and even causing the illuminant to burn. DRAWINGS

The detailed description of the preferred embodiments of the present invention and the accompanying drawings will be further understood, and the appended claims

1A and 2B are schematic diagrams showing a first embodiment of a heat transfer heat dissipation method and a structure thereof for a lighting fixture of the present invention; FIG. 2 is a second embodiment of a heat transfer heat dissipation method and a structure thereof for the lighting fixture of the present invention; FIG. 4 is a schematic view showing a third embodiment of the heat dissipation method and structure of the illumination lamp of the present invention; FIG. 5 is a fourth embodiment of the heat dissipation method and structure of the illumination lamp of the present invention; Figure 6 is a fifth embodiment of the heat transfer heat dissipation method and structure of the lighting fixture of the present invention; Figure 7 is a fifth embodiment of the heat transfer heat dissipation method and structure of the lighting fixture of the present invention; A sixth embodiment of the invention is directed to a heat transfer heat dissipation method and a structure thereof. detailed description

Referring to FIG. 1A, FIG. 2 to FIG. 2, the heat dissipation method for a lighting fixture provided by the present invention and The structure mainly includes a lamp body 1, and the lamp body 1 comprises:

a heat dissipating fin 11 is disposed at an appropriate position in the center or at a suitable position of the heat dissipating fin 11 (not shown). The top surface has a shape or a flat surface, and the bottom surface extends downwardly with a plurality of heat dissipation base fins 111. The base fin 111 may be in the form of a column (as shown in FIG. 1A, B) or a plate (as shown in FIG. 2) or other shapes, and is not limited thereto; the heat dissipation base fin 111 faces the ground. And the side setting mode is to avoid the heat dissipation effect of the heat dissipation fins by external environmental factors such as accumulation of gravity dust or bird nesting feces, and the heat dissipation base fin 111 is extended toward the ground, thereby achieving better cold. The air from the bottom to the upward airflow pressure enhances the heat dissipation effect;

The illuminant array substrate 12 is made of aluminum or other high thermal conductivity metal material; the illuminant 13 is connected to the bottom surface or the side surface of the illuminant array substrate 12, and the illuminant 13 can be an LED Or a 0LED or other illuminable lamp body, and a reticle 14 is disposed on the illuminant 13; the illuminant array substrate 12 is fixed to the center of the heat dissipating fin 11 or an appropriate position through the fastener 15 to The opening is completely closed, so that the illuminant 13 on the bottom surface of the illuminant array substrate 12 faces the ground or the side;

At least one or more heat conducting members 16, one portion of the heat conducting member 16 is in contact with the top surface of the illuminator array substrate 12, and the other portion is in contact with the top surface of the heat dissipating fins 11. Alternatively, the heat conducting member may be a heat pipe or Thermal plate

a lamp housing 17 , the lamp housing 17 can be in the form of a lamp cover, the lamp housing 17 is disposed on the top surface of the heat dissipation fin 11 , and is disposed through the lamp housing 17 , that is, the top surface of the heat dissipation fin 11 A sealed space is formed, and the illuminant array substrate 12 and the heat-conducting member 13 are completely enclosed in the sealed space to achieve dustproof, waterproof, insect-proof and rust-proof effects.

Referring to FIG. 3, it is a schematic diagram of the operation of the present invention. When the illuminator generates thermal energy, the thermal energy is transmitted to the heat conducting member 16 via the illuminator array substrate 12, and then transmitted to the heat dissipating fins 11 via the heat conducting member 16, and finally, The heat dissipation base fins 111 of the heat dissipation fins 11 are dissipated into the atmosphere to rapidly discharge the heat energy, thereby preventing the illuminators 13 from being burnt due to high temperatures.

Furthermore, the illuminant array substrate 12 and the heat conducting member 16 are in a completely sealed environment, and the heat dissipating base fins 111 of the heat dissipating fins 11 are disposed toward the ground and the side surface, so that the illuminating body array substrate 12 and the heat conducting body Both the member 16 and the heat dissipation base fin 111 do not have a dust accumulation problem, and are in a state of high heat dissipation performance at any time.

Referring to FIG. 4, it is a third embodiment of the present invention. The form structure of FIG. 4 is the same as that of FIGS. 1A and B. The difference is that the top surface of the heat conducting member 16 can be attached to a cross/ The DC power conversion supply 18 causes the AC/DC power conversion supply 18 and the thermal energy generated by the sensing circuit to be absorbed by the heat conducting member 16 and then conducted to the heat dissipating fins 11, and then the heat radiating fins of the heat dissipating fins 11 Slice 111 escapes from the big In the gas, to achieve the purpose of heat exchange, thereby extending the service life of the AC/DC power conversion supply unit 18. The AC/DC power conversion supply 18 mainly receives the AC power from the power supply terminal, converts the AC power to DC power, and transmits it to the illuminator array substrate 12 to provide the illuminant 13 (see FIG. 1B). The power source enables the illuminant 13 to emit a light source, and a time program-controlled point-off or sensing point-off circuit and an overheat protection circuit are disposed in the AC/DC power conversion supply unit 18. The time-controlled point-off circuit is a control illuminator. During the opening and closing time, the overheat protection circuit detects whether the illuminator is overheated. If the illuminator temperature is too high, the power is automatically cut off to prevent the illuminator from burning.

Referring to FIG. 5, it is a fourth embodiment of the present invention. The difference between FIG. 5 and FIGS. 1A and B is that the lamp housing 17 has a flat shape so as to be close to the top surface of the heat dissipating fin 11. Combined to increase heat dissipation performance.

Referring to FIG. 6 , it is a fifth implementation diagram of a heat transfer heat dissipation method and a structure thereof for a lighting fixture of the present invention, comprising a lamp body 2, the lamp body comprising: a heat dissipation fin 21 having an infinite length extension, the heat dissipation fin A heat dissipation base fin 211 is extended toward the ground. The heat dissipation base fin 211 may be a columnar shape, a plate shape or another shape, and an illuminant array 22 is connected to one side or both sides. The illuminant array is The cover 22 is provided with a lamp cover 23 to completely seal the illuminant;

a reflector 24, the reflector 24 is slightly arcuate in shape, the width of which is larger than the heat dissipating fins 21, and the length of the reflector is infinitely extendable; the reflector 24 is fixed to the top surface of the heat dissipating fins 21, It can shield the illuminant array 22 such that the light source generated by the illuminant array 22 is refracted by the reflector 24 and scattered toward the ground to avoid glare and increase the uniform brightness of the illumination.

Referring to FIG. 7, it is a schematic diagram of the operation of FIG. 6. When the illuminant 22 generates thermal energy, the thermal energy is quickly received by the heat dissipating fins 21 and is dissipated to the atmosphere by the heat dissipating base fins 211; and the heat dissipating fins The sheet 21 is exposed to the atmosphere, and the heat-dissipating base fins 211 are placed toward the ground to avoid dust accumulation, so that the heat-dissipating fins 21 can be maintained in an optimal heat-dissipating state.

Please refer to FIG. 8 , which is a schematic view of a sixth embodiment of the present invention. Most of the structures are the same as those of FIG. 6 . The difference is that the reflector 23 can be disposed on the reflector, and the illuminant array 22 is sealed through the lamp cover 23 . The illuminant array 22 is placed in a completely sealed environment.

In addition, the reflector may be a prototype or a square or an elliptical body or other shapes, and is not limited thereto.

The heat transfer heat dissipation method and structure of the lighting fixture provided by the invention have the following advantages when compared with other conventional technologies:

1. The invention has the functions of dustproof, waterproof, insect proof and rust prevention. 2. The present invention is a method for using anti-gravity to avoid gravity falling from the pile, and extending the fins of the heat-dissipating base toward the ground, thereby achieving better cooling air from the bottom to the upward airflow pressure to enhance the heat dissipation effect, and can also avoid External factors such as dust affect the heat dissipation performance and achieve the best heat dissipation mechanism.

3. The present invention provides a DC power supply for an illuminator through an AC/DC power conversion supply to achieve power saving.

4. The present invention provides a time-controlled point-off or sensing point-off circuit and an overheat protection circuit in an AC/DC power conversion supply to automatically turn on and off the illuminator and prevent the illuminator from burning due to high temperature.

The detailed description above is a detailed description of a possible embodiment of the present invention, and is not intended to limit the scope of the present invention. In the present invention. Industrial applicability

The heat dissipation method and structure of the illumination lamp provided by the invention, when the illuminant heat dissipation substrate receives the heat energy generated by the illuminant, can be transmitted to the heat dissipation fin via the heat conduction member, and finally the heat dissipation base fin through the heat dissipation fin The air is dissipated in the atmosphere to achieve the purpose of heat dissipation. In addition, the fins of the heat dissipating fins extend toward the ground to completely avoid the accumulation of gravity due to gravity, which affects the heat dissipation performance, so that the illuminant can be Continue to work stably at low temperatures, thereby extending the service life and not causing light decay due to high temperatures. Therefore, the present invention is suitable for industrial applications.

Claims

Rights request

A method for heat-dissipating heat of a lighting fixture, characterized in that the heat-dissipating base fin of the heat-dissipating fin is extended toward the ground or the side, and more than one is integrated in the center of the top surface of the heat-dissipating fin or at an appropriate position The illuminant array substrate is arranged such that the illuminant is disposed on the ground or the side, and one of the above-mentioned heat-conducting members is in contact with the illuminator array substrate, and the other portion is in contact with the heat-dissipating fins, and then the illuminant is transmitted through the lamp housing The array substrate and the heat conducting member are sealed on the top end of the heat dissipating fin; when the illuminating body generates thermal energy, the thermal energy is transmitted to the heat dissipating fin via the illuminator array substrate and the heat conducting member, and finally, the heat dissipating base fin of the heat dissipating fin Dissipated to the atmosphere.

2 . The method of claim 1 , wherein the top surface of the heat conducting component is conformable to an AC/DC power conversion supply, so that the thermal energy generated by the AC/DC power conversion supply device can also be The illuminator array substrate and the heat conducting member are conducted to the heat dissipating fins, and finally, the fins of the heat dissipating fins of the heat dissipating fins are dissipated to the atmosphere.

3. A method for heat-dissipating heat of a lighting fixture, characterized in that the heat-dissipating base fin of the heat-dissipating fin is extended toward the ground or the side, and an illuminating body is connected to the heat-dissipating fin, so that heat generated by the illuminating body is transmitted to The heat dissipating fins are then dissipated to the atmosphere by the fins of the heat dissipating fins of the fins.

4. A heat transfer heat dissipation structure for a lighting fixture, comprising:

a heat dissipating fin having an opening at a central portion or a suitable position, and a plurality of heat dissipating base fins extending from the bottom surface to the ground;

a light-emitting body array substrate having a plurality of light-emitting bodies connected to a bottom surface or a side surface of the light-emitting body array substrate; wherein the light-emitting body array substrate is fixed in an opening at a center of the heat-dissipating fin or at an appropriate position to completely close the opening The illuminant on the bottom surface of the illuminator array substrate faces the ground or the side;

At least one or more heat conducting members, one of the heat conducting members is in contact with the top surface of the illuminator array substrate, and the other portion is in contact with the top surface of the heat dissipating fin;

a lamp housing, the lamp housing is disposed on the top surface of the heat dissipating fin, and through the cover of the lamp housing, a sealing space can be formed on the top surface of the heat dissipating fin, and the illuminator array substrate and the heat conducting member are completely enclosed In this sealed space.

5. The heat dissipation heat dissipation structure of a lighting fixture according to claim 4, wherein the heat dissipation base fins of the heat dissipation fins are columnar or plate-shaped or other shapes.

6. The luminaire heat transfer heat dissipation structure according to claim 1, wherein the illuminant array substrate is made of aluminum or other high thermal conductivity metal material.

7. The heat transfer heat dissipation structure of a lighting fixture according to claim 4, wherein the light is emitted The body can be an LED or OLED or other illuminable lamp body.

8. The heat transfer heat dissipation structure of a lighting fixture according to claim 4, wherein the lamp housing is in the form of a lamp cover.

9. The heat dissipation heat dissipation structure of a lighting fixture according to claim 4, wherein the lamp housing is in the form of a flat plate so as to be in close contact with the top surface of the heat dissipating fin to increase heat dissipation performance.

10. The heat transfer heat dissipation structure of a lighting fixture according to claim 4, wherein the heat conductive member is a heat pipe or a heat conducting plate member or other heat conducting member.

11. The heat dissipation heat dissipation structure of a lighting fixture according to claim 4, further comprising an AC/DC power conversion supply, the AC/DC power conversion supply being attached to the top surface of the heat conductive member. The heat generated by the AC/DC power conversion supply can be absorbed by the heat-conducting member and conducted to the heat-dissipating fins, and then the heat-dissipating base fins of the heat-dissipating fins are dissipated into the atmosphere.

12. The heat dissipation heat dissipation structure of a lighting fixture according to claim 11, wherein the AC/DC power conversion supply comprises a time program control and sensing point extinguishing circuit, wherein the time program control point extinguishing circuit is to control the light emission. The time of body opening and closing.

13. The heat transfer heat dissipation structure of a lighting fixture according to claim 11, wherein the intersection

The /DC power conversion supply includes an overheat protection circuit that detects whether the illuminator is overheated. If the illuminator temperature is too high, the power is automatically cut off to prevent the illuminator from burning.

14. A heat transfer heat dissipation structure for a lighting fixture, comprising:

a heat dissipating fin extending infinitely in length, the heat dissipating fin extending to the ground or the side surface with a heat dissipating base fin, and one or more illuminant arrays connected to one side or both sides, the illuminating body array outer cover a lampshade to completely seal the illuminator;

An infinitely extending reflector, the reflector is disposed on the top surface of the heat dissipating fin, so that the light source generated by the illuminator array is refracted by the reflector and scattered toward the ground.

15. The heat transfer heat dissipation structure of a lighting fixture according to claim 14, wherein the reflector is slightly curved and has a length greater than a heat dissipation fin.

16. The heat transfer heat dissipation structure of a lighting fixture according to claim 14, wherein the reflector is integrally formed with the heat dissipation fins.