CN213551628U

CN213551628U - Cold light source structure and endoscope system

Info

Publication number: CN213551628U
Application number: CN202022152258.7U
Authority: CN
Inventors: 孙宇; 袁谋堃; 邓安鹏
Original assignee: Chongqing Jinshan Medical Appliance Co Ltd
Current assignee: Chongqing Jinshan Medical Technology Research Institute Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-29
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a cold light source structure and endoscope system, wherein, cold light source structure includes quick-witted case, one side of machine case is equipped with first LED banks, second LED banks, first fan, second fan, be equipped with first heat pipe radiator on the first LED banks, be equipped with second heat pipe radiator on the second LED banks, second fan, first heat pipe radiator and second heat pipe radiator are located same wind route. The utility model discloses cold light source structure can make cold light source structure miniaturization through set up the heat pipe radiator on the LED banks.

Description

Cold light source structure and endoscope system

Technical Field

The utility model belongs to the endoscope field especially relates to a cold light source structure and endoscope system.

Background

As shown in fig. 1, an endoscope 20 is inserted into a cold light source 10, and the cold light source 10 supplies illumination light to the endoscope 20. In order to provide light with sufficient brightness, the power of the LED lamp set of the cold light source is high, good heat dissipation is required to ensure the service life of the LED lamp set, and meanwhile, in order to ensure the luminous flux output by the cold light source, a lens on the light path needs to be attached with impurities such as dust as little as possible.

As shown in fig. 2, the main heat generating components in the prior art cold light source include a circuit board 102, a power module 104, a first LED lamp set 110 (including a plurality of LEDs, in this example, 3 LEDs), a second LED lamp set 111, a third fan 103 blowing toward the circuit board 102, a fifth fan 101 blowing toward a first heat sink 105 of the first LED lamp set 110, a first fan 108 blowing toward a second heat sink 106 of the second LED lamp set 111, and a fourth fan 109 and a second fan 107 blowing air inside the cold light source toward the outside of the chassis. The airflow direction is as shown by the arrows in fig. 2, the aforementioned cold light source structure has three problems, one is that the first heat sink 109 and the second heat sink 106 are made of aluminum profiles, and the heat dissipation efficiency is low, which results in high working temperatures of the first LED lamp group 110 and the second LED lamp group 111; secondly, since the fifth fan 101 cannot be placed at one side below the case in fig. 2, the first LED lamp set 110 and the first heat sink 105 cannot be placed at one side below the case in fig. 2, which is not favorable for miniaturization of the cold light source; thirdly, the trend of the wind path of the existing structure leads to that the lens on the light path is easy to be attached with dust and the like, thereby reducing the output luminous flux of the cold light source.

Therefore, those skilled in the art have made efforts to develop a miniaturized cold light source structure and an endoscope system.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects of the prior art, the present invention provides a miniaturized cold light source structure and endoscope system.

In order to achieve the above object, the utility model provides a cold light source structure, the load simulator comprises a case, one side of machine case is equipped with first LED banks, second LED banks, first fan, second fan, be equipped with first heat pipe radiator on the first LED banks, be equipped with second heat pipe radiator on the second LED banks, second fan, first heat pipe radiator and second heat pipe radiator are located same wind route.

Preferably, the heat dissipation fins of the first heat pipe radiator are located between the second fan and the second heat pipe radiator, and the first fan blows towards the second heat pipe radiator and the heat dissipation fins.

Preferably, the center lines of the first fan and the second fan are perpendicular.

In order to reduce the adhesion of impurities such as dust and the like to the lens as much as possible, one side of the case is provided with an LED lamp group cover for isolating the lens on the light path.

In order to isolate the lens on the light path from the radiator needing heat dissipation, a radiator cover used for isolating the LED lamp group cover from the first heat pipe radiator and the second heat pipe radiator is arranged on one side of the case.

Preferably, a circuit board, a power module, a third fan and a fourth fan are arranged on the other side of the case, and the circuit board, the power module, the third fan and the fourth fan are located on the same air passage.

Preferably, the center lines of the fourth fan and the third fan are the same.

The utility model also provides an endoscope system, including foretell cold light source structure.

The utility model has the advantages that: the utility model discloses cold light source structure can make cold light source structure miniaturization through set up the heat pipe radiator on the LED banks.

Drawings

Fig. 1 is a schematic configuration diagram of an endoscope system in the related art.

Fig. 2 is a schematic structural diagram of a prior art cold light source structure.

Fig. 3 is a schematic structural diagram of a cold light source structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an LED lamp set cover and a radiator cover in a cold light source structure according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a first heat pipe radiator according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a second heat pipe radiator according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 3-6, a cold light source structure includes a chassis 100, a first LED lamp group 110, a second LED lamp group 111, a first fan 108, and a second fan 107 are disposed on a lower side of the chassis 100, a first heat pipe radiator 305 is disposed on the first LED lamp group 110, a second heat pipe radiator 306 is disposed on the second LED lamp group 111, and the second fan 107, the first fan 108, the first heat pipe radiator 305, and the second heat pipe radiator 306 are located on a same air passage.

The radiator fins 305c of the first heatpipe radiator 305 are located between the second fan 107 and the second heatpipe radiator 306, and the first fan 108 blows toward the second heatpipe radiator 306 and the radiator fins 305 c.

As shown in fig. 3 and fig. 5, in this embodiment, the evaporation end 305a of the first heat pipe radiator 305 is installed with the first LED lamp set 110, the heat pipe 305b of the first heat pipe radiator 305 extends to the left end of the chassis, the other end of the heat pipe 305b is connected to the heat dissipation fins 305c, and the heat of the first LED lamp set 110 is transferred from the evaporation end 305a of the first heat pipe radiator 305 to the heat pipe 305b and then to the heat dissipation fins 305 c.

As shown in fig. 3 and fig. 6, the heat flow of the second heatpipe heat sink 306 is from the evaporation end 306a of the second heatpipe heat sink 306 to the heatpipe 306b of the second heatpipe heat sink 306, and then to the heat dissipation fins 306c of the second heatpipe heat sink 306.

The center lines of the first fan 108 and the second fan 107 are perpendicular, that is, the wind direction blown by the first fan 108 and the second fan 107 is perpendicular.

The underside of the housing 100 is provided with an LED light bank cover 302 for isolating the lenses in the light path.

The underside of the chassis 100 is provided with a heat sink cover 301 for isolating the LED light set cover 302 from a first heat-pipe heat sink 305 and a second heat-pipe heat sink 306. The lens on the light path can be isolated from the radiator needing heat dissipation, and the lens on the light path is ensured to be in less contact with dust and the like.

The upper side of the chassis 100 is provided with a circuit board 102, a power module 104, a third fan 103 and a fourth fan 109, and the circuit board 102, the power module 104, the third fan 103 and the fourth fan 109 are located on the same air passage. In this embodiment, the third fan 103 is located at the right of the circuit board 102.

The center lines of the fourth fan 109 and the third fan 103 coincide with each other. Is beneficial to heat dissipation.

The cold light source structure can be applied to an endoscope system, and can improve the heat dissipation efficiency on the basis of miniaturization.

When the cold light source structure works, air on the upper side of the chassis 100 enters the chassis 100 under the action of pressure difference, and is blown to the circuit board 102 by the third fan 103, then flows to the power module 104, and is blown out of the left end of the chassis by the fourth fan 109. The LED lamp group cover 302 isolates the lens on the light path from other parts in the chassis 100, the radiator cover 301 isolates the first heat pipe radiator 305 and the second heat pipe radiator 306 from the LED lamp group cover 302, the air path flows from the lower side of the chassis 100 into the radiator cover 301, the first fan 108 blows to the second heat pipe radiator 306 and the radiating fins 305c of the first heat pipe radiator 305, and then the second fan 107 blows air out of the left side of the chassis 100, so that heat dissipation is realized. In the whole process, no air flow exists in the LED lamp group cover 302, so that the structure that the radiator is in the air path and the lens on the light path is not in the air path is realized.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A cold light source structure comprises a case (100), and is characterized in that: one side of the case (100) is provided with a first LED lamp group (110), a second LED lamp group (111), a first fan (108) and a second fan (107), the first LED lamp group (110) is provided with a first heat pipe radiator (305), the second LED lamp group (111) is provided with a second heat pipe radiator (306), and the second fan (107), the first fan (108), the first heat pipe radiator (305) and the second heat pipe radiator (306) are located on the same air passage.

2. The cold light source structure of claim 1, wherein: the heat dissipating fins (305c) of the first heat-pipe heat sink (305) are located between the second fan (107) and the second heat-pipe heat sink (306), and the first fan (108) blows toward the second heat-pipe heat sink (306) and the heat dissipating fins (305 c).

3. The cold light source structure of claim 2, wherein: the center lines of the first fan (108) and the second fan (107) are vertical.

4. The cold light source structure of claim 1, wherein: and an LED lamp group cover (302) used for isolating the lens on the light path is arranged on one side of the case (100).

5. The cold light source structure of claim 4, wherein: and a radiator cover (301) used for isolating the LED lamp group cover (302) from the first heat pipe radiator (305) and the second heat pipe radiator (306) is arranged on one side of the case (100).

6. The cold light source structure of claim 1, wherein: the other side of the case (100) is provided with a circuit board (102), a power supply module (104), a third fan (103) and a fourth fan (109), and the circuit board (102), the power supply module (104), the third fan (103) and the fourth fan (109) are located on the same air passage.

7. The cold light source structure of claim 6, wherein: the fourth fan (109) and the third fan (103) have the same center line.

8. An endoscopic system characterized by: comprising a cold light source structure as claimed in any one of claims 1 to 7.