CN213462830U

CN213462830U - Heat radiation structure of electronic ballast

Info

Publication number: CN213462830U
Application number: CN202022818974.4U
Authority: CN
Inventors: 陈玲琳; 石宇; 田永丰
Original assignee: Shanghai Ruiqi Measurement And Control Technology Co ltd
Current assignee: Shanghai Ruiqi Measurement And Control Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-06-15
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses an electronic ballast heat radiation structure, which comprises an outer shell, wherein the accommodating space in the outer shell is divided into a low heat radiation area at one side and a high heat radiation area at the other side, one end of the outer shell corresponding to the high heat radiation area is provided with a large air inlet, the other end is provided with a large air outlet, and a large heat radiation fan, a radiator, a PCB circuit board, a high-power resistor and a transformer are sequentially arranged in the high heat radiation area in a position conforming to the large air inlet and the large air outlet; a small air outlet is arranged on the outer shell corresponding to the low heat dissipation area, and the small air outlet and the large air outlet are positioned at the same end of the outer shell; set up inductance and wave filter in the low radiating area at least, the utility model has the advantages of structural configuration is reasonable, increase life, elegant appearance, reduced electronic ballast during operation inside ambient temperature, improved electronic ballast's life.

Description

Heat radiation structure of electronic ballast

Technical Field

The utility model relates to an electronic ballast device specifically relates to an electronic ballast heat radiation structure.

Background

At present, with the wide use of metal halogen lamps in the photovoltaic detection industry, electronic ballasts are widely used as the fixed matching of the metal halogen lamps. In the prior art, in order to obtain a smaller installation size, electronic components inside the electronic ballast are often arranged more densely, and a radiator is smaller, so that the temperature of an internal space of the electronic ballast is rapidly increased after the electronic ballast works for a long time, and hot air cannot be discharged in time, so that some electronic components are damaged due to temperature increase, and the service life of the electronic components is influenced. The damaged electronic ballast is high in maintenance cost and influences the experiment progress. Based on the above disadvantages, it is necessary to invent an electronic ballast with reasonable structural layout and high heat dissipation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reduce the internal environment temperature of the electronic ballast during operation and improve the service life of the electronic ballast.

In order to achieve the above purpose, the utility model provides a following technical scheme: a heat radiation structure of an electronic ballast comprises an outer shell, wherein a containing space in the outer shell is divided into a low heat radiation area at one side and a high heat radiation area at the other side, one end of the outer shell corresponding to the high heat radiation area is provided with a large air inlet, the other end of the outer shell is provided with a large air outlet, and a large heat radiation fan, a radiator, a PCB (printed circuit board), a high-power resistor and a transformer are sequentially arranged in the high heat radiation area in a position corresponding to the large air inlet to the large air; a small air outlet is arranged on the outer shell corresponding to the low heat dissipation area, and the small air outlet and the large air outlet are positioned at the same end of the outer shell; and at least an inductor and a filter are arranged in the low heat dissipation area.

Preferably, the outer shell is an aluminum alloy shell.

Preferably, the radiator fins are fixed on the backing plate of the aluminum alloy shell downwards.

Preferably, the rear end face of the radiator is attached to the inner surface of a rear plate of the aluminum alloy shell, the front end face of the radiator is sealed by a sealing plate, a fin air duct is formed inside the radiator, and the fin air duct conforms to the ventilation direction from the large air inlet to the large air outlet.

Preferably, the PCB is arranged on a back plate of the radiator, and the high-power resistor and the transformer are arranged at a large air outlet at the rear side of the radiator.

Preferably, the large heat dissipation fans are arranged in three side-by-side arrangement.

Preferably, a small heat dissipation fan for absorbing heat is arranged at the small air outlet of the low heat dissipation area.

Preferably, a base plate is arranged in the outer shell, and parts of the electronic ballast heat dissipation mechanism are fixed on the base plate.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the structure layout is reasonable: according to the invention, the components with large heat dissipation capacity and the components with small heat dissipation capacity are arranged in a partition mode, the exclusive heat dissipation channel and the exclusive heat dissipation mode are arranged according to the heat dissipation characteristics, the electronic components with large heat dissipation capacity are arranged on the heat dissipater, three large heat dissipation fans are arranged, the small components are arranged on one side of the shell, one small heat dissipation fan is arranged, the four fans work simultaneously, and the three fans blow outwards and suck outwards to ensure that more heat is dissipated.

2. Increase of service life: the heat generated by the electronic components inside the aluminum alloy shell is discharged in time, so that the electronic components inside the shell can work in a constant-temperature environment, and the service life of the electronic components is greatly prolonged.

3. The appearance is elegant: the shell and the radiator of the electronic ballast are made of aluminum alloy materials, the electronic ballast is light in weight and strong in machinability, all parts are arranged on the liner plate in the shell, the number of screws on the shell is reduced, and the whole electronic ballast looks more attractive.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic top view of the internal structure of the present embodiment;

FIG. 3 is a side view of an aluminum alloy shell front side structure;

FIG. 4 is a side view of an aluminum alloy shell rear side structure;

wherein: 1. the high-power LED lamp comprises an aluminum alloy shell, 2 parts of a radiator, 3 parts of a large cooling fan, 4 parts of a PCB (printed circuit board), 5 parts of an inductor, 6 parts of a filter, 7 parts of a transformer, 8 parts of a high-power resistor, 9 parts of an input/output plug, 10 parts of a small cooling fan, 11 parts of a large air outlet, 12 parts of a large air inlet, 13 parts of a small air outlet, 14 parts of a low cooling area, 15 parts of a high cooling area.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

As shown in fig. 1 to 4, the heat dissipation structure of an electronic ballast mainly comprises an aluminum alloy housing 1, a heat sink 2, a large heat dissipation fan 3, a small heat dissipation fan 10, a PCB 4, an inductor 5, a filter 6, a transformer 7, a high-power resistor 8, an input/output plug 10, and other parts.

The containing space in the aluminum alloy shell 1 is divided into a low heat dissipation area 14 positioned on the left side and a high heat dissipation area 15 positioned on the right side, one end of the aluminum alloy shell 1 corresponding to the high heat dissipation area 15 is provided with a large air inlet 12, the other end of the aluminum alloy shell is provided with a large air outlet 11, and a large heat dissipation fan 3, a heat radiator 2, a PCB (printed circuit board) 4, a high-power resistor 8 and a transformer 7 are sequentially arranged in the high heat dissipation area 15 from the large air inlet 12 to the large air outlet 11; the fins of the radiator 2 are fixed on the base plate of the aluminum alloy shell 1 downwards, the PCB 4 is arranged on the back plate of the radiator 2, the high-power resistor 8 and the transformer 7 are arranged at the large air outlet 11 at the rear side of the radiator 2, the rear end face of the radiator 2 is attached to the inner surface of the rear plate of the aluminum alloy shell 1, and the front end face of the radiator 2 is sealed by the sealing plate, so that air ducts are formed. Big radiator fan 3 is total three, arranges side by side to install in 2 anterior segments of radiator reservation positions, blows in radiator 2 again through 2 wind channels of radiator through the outside inspiratory cold air, finally blows out from the big air outlet, takes away the heat that 1 inside electronic components of aluminum alloy housing produced. The high-power resistor 8 and the transformer 7 have larger heat productivity when working, so the high-power resistor and the transformer are placed at the rear section of the radiator 2, and the external cold air can take away more heat of the components when flowing through the air duct. The size of components such as the inductor 5 and the filter 6 is large, so the components are installed at the left vacant position of the aluminum alloy shell 1, the small cooling fan 10 is installed at the upper left corner in the aluminum alloy shell 1, the corresponding small air outlet 13 is formed in the aluminum alloy shell 1 and used for sucking away small heat generated by the components on the left side and discharging the small heat to the outside of the aluminum alloy shell 1, the continuous work of the four cooling fans enables the inside of the aluminum alloy shell 1 and the external environment to carry out uninterrupted cold and heat exchange, and finally the purpose of heat dissipation is achieved.

According to the invention, the components with large heat dissipation capacity and the components with small heat dissipation capacity are arranged in a partition mode, the exclusive heat dissipation channel and the exclusive heat dissipation mode are arranged according to the heat dissipation characteristics, the electronic components with large heat dissipation capacity are arranged on the heat dissipater, three large heat dissipation fans are arranged, the small components are arranged on one side of the shell, one small heat dissipation fan is arranged, the four fans work simultaneously, and the three fans blow outwards and suck outwards to ensure that more heat is dissipated. Through in time discharging the heat that produces the inside electronic components of aluminum alloy shell 1 for the inside electronic components of casing can both work in a homothermal environment, has improved their life greatly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electronic ballast heat radiation structure which characterized in that: the high-heat-dissipation-area-based LED lamp comprises an outer shell, wherein an accommodating space in the outer shell is divided into a low heat-dissipation area and a high heat-dissipation area, the low heat-dissipation area is positioned on one side, the high heat-dissipation area is positioned on the other side, a large air inlet is arranged at one end of the outer shell corresponding to the high heat-dissipation area, a large air outlet is arranged at one end of the outer shell, and a large heat-dissipation fan, a radiator, a PCB (printed circuit board), a high-power; a small air outlet is arranged on the outer shell corresponding to the low heat dissipation area, and the small air outlet and the large air outlet are positioned at the same end of the outer shell; and at least an inductor and a filter are arranged in the low heat dissipation area.

2. The heat dissipation structure of an electronic ballast as set forth in claim 1, wherein: the shell body is an aluminum alloy shell.

3. The heat dissipation structure of an electronic ballast as claimed in claim 2, wherein: the radiator fins are fixed on a base plate of the aluminum alloy shell downwards.

4. The heat dissipation structure of an electronic ballast as set forth in claim 3, wherein: the rear end face of the radiator is attached to the inner surface of a rear plate of the aluminum alloy shell, the front end face of the radiator is sealed by the sealing plate, a fin air duct is formed inside the radiator, and the fin air duct conforms to the ventilation direction from the large air inlet to the large air outlet.

5. The heat dissipation structure of an electronic ballast as set forth in claim 1, wherein: the PCB is arranged on the back plate of the radiator, and the high-power resistor and the transformer are arranged at a large air outlet at the rear side of the radiator.

6. The heat dissipation structure of an electronic ballast as set forth in claim 1, wherein: the number of the large heat dissipation fans is three.

7. The heat dissipation structure of an electronic ballast as set forth in claim 1, wherein: and a small heat radiation fan for absorbing heat is arranged at the small air outlet of the low heat radiation area.

8. The heat dissipation structure of an electronic ballast as set forth in claim 1, wherein: a base plate is arranged in the shell, and parts of the electronic ballast heat dissipation mechanism are fixed on the base plate.