CN219250113U

CN219250113U - LED cold light source of medical endoscope

Info

Publication number: CN219250113U
Application number: CN202320180442.3U
Authority: CN
Inventors: 汪训朋
Original assignee: Wuhan Karmeisi Medical Equipment Co ltd
Current assignee: Wuhan Karmeisi Medical Equipment Co ltd
Priority date: 2023-01-26
Filing date: 2023-01-26
Publication date: 2023-06-27
Anticipated expiration: 2033-01-26

Abstract

The utility model relates to the technical field of medical cold light sources, and particularly discloses a medical endoscope LED cold light source, which comprises a practical cold light source device of an endoscope, a light source group arranged on the inner side of the cold light source device and a heat dissipation part matched with the light source group; the cold light source device comprises a shell, a top shell is covered above the shell, a button and a light path connecting hole are arranged at one end of the shell, a square through hole is formed at the other end of the shell, and a heat dissipation mesh plate is arranged at the other end of the shell; according to the utility model, the cold light source device and the light source group are arranged, when the lamp is used, the heat pipe and the heat dissipation fins which are arranged in a matched mode by utilizing the limit metal blocks covered on the outer sides of the lamps forming the light source group are used to form the passive heat dissipation system, and the circulation components which are arranged in a matched mode are communicated with the heat pipe to form an active circulation mode, so that the heat dissipation of the lamps is accelerated by virtue of an active circulation mode on the premise that the passive heat dissipation works normally.

Description

LED cold light source of medical endoscope

Technical Field

The utility model relates to the technical field of medical cold light sources, in particular to a medical endoscope LED cold light source.

Background

In the use process of the endoscope, the stable light source is needed to meet the detection requirement, and the endoscope can be used for detecting tiny lesions through the use of the light source, so that the detection requirement is met.

The cold light source for medical treatment is generally connected with the endoscope through a light path communication cable, the intensity of the light source can be adjusted through a control component, the service life of a bulb of the cold light source is limited, the cold light source used in the hospitals at present mainly comprises 3 types of halogen lamp cold light sources, xenon lamp (xenon lamp for short) cold light sources and LED cold light sources, and the xenon lamp cold light sources are selected by various hospitals by virtue of the advantages of superior illumination intensity, color temperature close to sunlight and longer service life.

When the xenon lamp is used, the heat productivity is huge, and the heat dissipation measures in the existing cold light source device are set to dissipate heat only through the guide fan, and the metal shell on the outer side of the xenon lamp is matched for cooling, but the cooling efficiency is low, so that the temperature of the bulb can be gradually increased, the service life of the bulb is reduced, and the replacement cost is too high.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a medical endoscope LED cold light source which is used for solving the problems proposed by the background technology.

The utility model relates to a medical endoscope LED cold light source, which comprises a cold light source device, a light source group and a heat dissipation component, wherein the cold light source device is practical for an endoscope;

the cold light source device comprises a shell, a top shell is covered above the shell, a button and a light path connecting hole are arranged at one end of the shell, a square through hole is formed at the other end of the shell, and a heat dissipation mesh plate is arranged at the other end of the shell and used for guaranteeing the stability of the cold light source device;

the light source group comprises a metal outer frame, a limiting metal block is arranged on the inner side of the metal outer frame, a circular through hole is formed in the middle of the limiting metal block, and a bulb is arranged in the middle of the limiting metal block and used for guaranteeing the use stability of the bulb.

As a further improvement of the utility model, the outer side of the limiting metal block is provided with a plurality of radiating fins in an annular array, and a limiting ring matched with the bulb is arranged at the circular through hole in the middle of the limiting metal block.

As a further improvement of the utility model, a plurality of through holes are formed on the outer side of the front surface of the limiting metal block in an annular shape by taking the bulb as the center, and connecting cylinders are arranged at the through holes.

As a further improvement of the utility model, a heat pipe is arranged on the inner side of the connecting cylinder, and one end of the heat pipe is provided with a heat conducting block for conducting heat.

As a further improvement of the utility model, a fixed distance is kept between the two radiating fins, and two sides of the inner wall positioned at the fixed distance are closely contacted with two sides of the heat conducting block through heat conducting media.

As a further improvement of the utility model, a reinforcing rib is arranged in the vertical middle of the inner side of the shell of the cold light source device, a shielding plate is arranged on one side of the reinforcing rib, a clamping ring is arranged on the other side of the reinforcing rib, and the inner side of the clamping ring is matched with the outer side of the light source group.

As a further improvement of the utility model, one end of the light source group is provided with a light path conduit, the other end of the light source group is matched with the heat dissipation component, and one end of the light source group, which is close to the heat dissipation component, is provided with a circulating component and is communicated with the heat pipe through a connecting pipe.

As a further improvement of the utility model, the bottom of the cold light source device is provided with a supporting foot for supporting, which is used for guaranteeing the stability of the cold light source device.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the cold light source device and the light source group, when the lamp is used, the heat pipe and the heat dissipation fins which are matched and arranged by the limit metal blocks covered on the outer sides of the lamps forming the light source group are utilized to form the passive heat dissipation system, and the circulation components which are matched and arranged are communicated with the heat pipe to form an active circulation mode.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic diagram of a cold light source device in a three-dimensional structure according to the present utility model;

FIG. 2 is a schematic diagram of the front view of the cold light source device of the present utility model;

FIG. 3 is a schematic side view of the cold light source device of the present utility model;

FIG. 4 is a schematic diagram of another side view of the cold light source device of the present utility model;

FIG. 5 is a schematic view of the structure of the cold light source device in top view;

fig. 6 is a schematic side view of a light source unit according to the present utility model.

In the figure: 1. a cold light source device; 2. a top shell; 3. a heat-dissipating mesh plate; 4. a button; 5. a light source group; 6. a heat radiating member; 7. a circulating member; 11. supporting feet; 12. an optical path connection hole; 13. an optical path conduit; 14. a clasp; 15. a shielding plate; 51. a metal outer frame; 52. a bulb; 53. limiting metal blocks; 54. a limit ring; 55. a connecting cylinder; 56. a heat pipe; 57. and the heat dissipation fins.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1, 2, 3, 4 and 5, the cold light source is an illumination source for endoscopy, and the modern light source has abandoned an original method for directly illuminating the body cavity, and the cold light source is an illumination device which is essential in modern laparoscopic surgery and endoluminal surgery and commonly called as a cold light source, and is an instrument for realizing the function. The cold light source that present hospital used mainly has halogen lamp, cold light source, hernia lamp, cold light source and LED cold light source three kinds, because the in-process that uses when the LED cold light source, bulb 52 surface can be around the spacing metal piece of round, can fix bulb 52 through these metal pieces, the heat that produces when letting bulb 52 generate heat again can conduct rapidly, but this conduction's efficiency is slower, in medical light source device, because the space of installing cold light source device 1 is less, lead to the radiating efficiency lower, often only one end has offered the window of ventilation behind the device, utilize the fan to dispel the heat, because the fan is when using, the wind channel is the use of vertical type, consequently, under the contact of spacing metal piece 53 and bulb 52, the shielding of wind channel causes the radiating efficiency can become low at this moment, under the circumstances that becomes low, in this kind of radiating mode of use, can lead to the surperficial heat accumulation near bulb 52 too high, influence bulb 52's life, thereby cause use cost to increase. The application provides a medical endoscope LED cold light source, which comprises a cold light source device 1, a light source group 5 and a heat dissipation part 6, wherein the cold light source device 1 is practical for an endoscope, the light source group 5 is arranged on the inner side of the cold light source device 1, and the heat dissipation part 6 is matched with the light source group 5;

specifically, the method comprises the following steps; the cold light source device 1 comprises a shell, a top shell 2 is covered above the shell, a button 4 and a light path connecting hole 12 are arranged at one end of the shell, a square through hole is formed at the other end of the shell, and a heat dissipation mesh plate 3 is arranged at the other end of the shell and used for guaranteeing the stability of the cold light source device 1;

further; the light source group 5 comprises a metal outer frame 51, a limiting metal block 53 is arranged on the inner side of the metal outer frame 51, a circular through hole is formed in the middle of the limiting metal block 53, and a bulb 52 is arranged for guaranteeing the use stability of the bulb 52.

In this embodiment, the shell of the cold light source device 1 is formed, the light source group 5 can be covered, and meanwhile, the outer surface of the light source group 5 can be directly contacted with the surface of the bulb 52 through the arranged metal outer frame 51 and the limiting metal block 53, so that the passive heat dissipation requirement is realized, and in the passive heat dissipation process, the annular heat dissipation fins 57 are further arranged on the outer side of the bulb 52, so that the heat can be further and rapidly conducted, the use stability of the bulb 52 is ensured, the later replacement frequency of the bulb 52 is reduced, and the service life of the bulb 52 is prolonged.

Referring to fig. 6, in order to prevent the bulb 52 from being pressed too tightly when directly contacting with the limiting metal block 53, a device or measure capable of conducting heat and isolating is needed in the process of contacting the bulb 52 with the fiber metal block, and therefore in this application, a plurality of heat dissipation fins 57 may be disposed in an annular array on the outer side of the limiting metal block 53, and a limiting ring 54 adapted to the bulb 52 is disposed at a circular through hole in the middle of the limiting metal block 53.

In this embodiment, the stop collar 54 disposed between the bulb 52 and the stop metal block 53 plays a role in protecting the bulb 52, meanwhile, the stop collar 54 is tightly contacted with the stop metal block 53, and the stop collar 54 is made of a heat conducting material, such as heat conducting rubber, so that the heat generated by the bulb 52 can be timely led to the stop metal block 53 by means of the characteristic of the heat conducting material of the stop collar 54, although a certain heat conducting capacity is lost, the stop metal block 53 is not directly extruded with the bulb 52 to damage the bulb 52, and meanwhile, the service life of the bulb 52 can be further prolonged, and the use requirement is met.

Referring to fig. 1, 2, 3, 4, 5 and 6, in order to enable the temperature of the bulb 52 to be conducted better during the passive heat dissipation, an active heat dissipation measure capable of conducting heat rapidly needs to be added on the basis besides passive heat dissipation, and a plurality of through holes can be formed in the front outer side of the limiting metal block 53 in an annular shape with the bulb 52 as the center, and a connecting cylinder 55 is arranged at the through hole.

Specifically, the method comprises the following steps; a heat pipe 56 is installed on the inner side of the connecting cylinder 55, and a heat conducting block is arranged at one end of the heat pipe 56 for conducting heat.

Further; a fixed distance is maintained between the two heat dissipation fins 57, and two sides of the inner wall positioned at the fixed distance are in close contact with two sides of the heat conduction block through a heat conduction medium.

In this embodiment, the front surface of the outer side of the limiting metal block 53 is in a ring shape, and is provided with a plurality of through holes, the through holes are provided with heat pipes 56 through the connecting cylinders 55, and the heat pipes 56 are contacted with the radiator fins through the heat conducting blocks, so that the heat can be quickly conducted into the heat pipes 56 in the normal heat dissipation process by the heat dissipating fins 57, the heat can be carried by the packaged heat conducting medium in the heat pipes 56 by utilizing the principle of temperature difference change, the heat can be conducted in the carrying process, the heat conduction quantity conduction efficiency can be further improved, and the temperature of the bulb 52 can be reduced to a reasonable range by matching with the passive heat dissipation device, so that the service life of the bulb 52 is prolonged.

Referring to fig. 5, in order to enable the light source unit 5 to be better installed inside the housing of the cold light source device 1, in this application, a reinforcing rib may be disposed in the vertical middle of the inner side of the housing of the cold light source device 1, one side of the reinforcing rib is provided with a shielding plate 15, the other side is provided with a clamping ring 14, and the inner side of the clamping ring 14 is adapted to the outer side of the light source unit 5.

In this embodiment, the snap ring 14 is adapted to the outer side of the light source group 5, so as to limit the light source group 5, and meanwhile, the other side can be provided with components such as a circuit board corresponding to the light source group 5 through the shielding plate 15, so that a complete set of medical cold light source device 1 can be formed to be matched with an endoscope for use.

Referring to fig. 1, 5 and 6, in order to ensure active heat dissipation, the heat conducting medium encapsulated in the heat pipe 56 can be better affected by the temperature difference, so that heat can be carried and transferred. On this basis, the heat-conducting medium is required to be recycled to ensure the use stability of the heat-conducting medium, so that in the application, one end of the light source group 5 is provided with the light path guide pipe 13, the other end is matched with the heat-radiating component 6, and one end of the light source group 5, which is close to the heat-radiating component 6, is provided with the circulating component 7 and is communicated with the heat pipe 56 through the connecting pipe.

The circulation part 7 provided in this embodiment is connected to the heat pipe 56 through a connection pipe, and in the starting process, the heat conducting medium in the heat pipe 56 can be circulated better in a circulation manner, so that the cooling efficiency of the heat conducting medium can be improved, and more heat can be further carried when flowing into the limit metal block 53.

Please refer to fig. 1, 2, 3 and 4. In order to keep the cold light source device 1 better stable, in the application, a supporting leg 11 for supporting is arranged at the bottom of the cold light source device 1 and used for guaranteeing the stability of the cold light source device 1, and the use stability of the cold light source device 1 is guaranteed through the supporting leg 11.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. A medical endoscope LED cold light source comprises a cold light source device (1) which is practical for an endoscope, a light source group (5) arranged on the inner side of the cold light source device (1) and a heat dissipation part (6) which is matched with the light source group (5);

the method is characterized in that:

the cold light source device (1) comprises a shell, a top shell (2) is covered above the shell, a button (4) and a light path connecting hole (12) are arranged at one end of the shell, a square through hole is formed at the other end of the shell, and a heat dissipation mesh plate (3) is arranged at the other end of the shell and used for guaranteeing the stability of the cold light source device (1);

the light source group (5) comprises a metal outer frame (51), a limiting metal block (53) is arranged on the inner side of the metal outer frame (51), a circular through hole is formed in the middle of the limiting metal block (53), and a bulb (52) is arranged for guaranteeing the use stability of the bulb (52).

2. A medical endoscope LED cold light source according to claim 1, wherein: the outer side of the limiting metal block (53) is provided with a plurality of radiating fins (57) in an annular array, and a limiting ring (54) matched with the bulb (52) is arranged at a circular through hole in the middle of the limiting metal block (53).

3. A medical endoscope LED cold light source according to claim 1, wherein: the front outer side of the limiting metal block (53) takes the bulb (52) as a center, a plurality of through holes are formed in an annular mode, and a connecting cylinder (55) is arranged at the through holes.

4. A medical endoscope LED cold light source according to claim 3, characterized in that: the inner side of the connecting cylinder (55) is provided with a heat pipe (56), and one end of the heat pipe (56) is provided with a heat conducting block for conducting heat.

5. A medical endoscope LED cold light source according to claim 2, characterized in that: a fixed distance is kept between the two radiating fins (57), and two sides of the inner wall positioned at the fixed distance are in close contact with two sides of the heat conducting block through heat conducting media.

6. A medical endoscope LED cold light source according to claim 1, wherein: the vertical middle part of the inner side of the shell of the cold light source device (1) is provided with a reinforcing rib, one side of the reinforcing rib is provided with a shielding plate (15), the other side of the reinforcing rib is provided with a clamping ring (14), and the inner side of the clamping ring (14) is matched with the outer side of the light source group (5).

7. A medical endoscope LED cold light source according to claim 1, wherein: one end of the light source group (5) is provided with a light path conduit (13), the other end is matched with the heat dissipation part (6), one end of the light source group (5) close to the heat dissipation part (6) is provided with a circulating part (7), and the light source group is communicated with the heat pipe (56) through a connecting pipe.

8. A medical endoscope LED cold light source according to claim 1, wherein: the bottom of cold light source device (1) is provided with supporting legs (11) that are used for supporting for guarantee cold light source device (1) stability.