CN214790680U

CN214790680U - Medical cold light source for endoscope image system

Info

Publication number: CN214790680U
Application number: CN202120891344.1U
Authority: CN
Inventors: 徐冰; 蔡卫蓉
Original assignee: Suzhou Fornia Medical Technology Co ltd
Current assignee: Suzhou Fornia Medical Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-19
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a medical cold light source for a sight glass image system, which is applied to the field of endoscope cold light sources and solves the problem of poor heat dissipation effect of the existing cold light source; the LED lamp heat dissipation device comprises a box body, a heat dissipation assembly and an air inlet assembly, wherein the box body is used for containing LED lamps, the heat dissipation assembly is used for conducting heat on the LED lamps, the air outlet assembly is used for discharging hot air in the box body, the air inlet assembly is used for inputting external air into the box body, the heat dissipation assembly comprises a connecting part, a plurality of radiating fins and a heat conduction pipe connected with the plurality of radiating fins, and one side of the connecting part is attached to the LED lamps; the heat dissipation device has the advantages that the heat dissipation device is cooled through the air inlet assembly and the air exhaust assembly, and meanwhile, the air passage is formed in the box body, so that the air exchange between the box body and the outside is accelerated, and the heat dissipation performance of the heat dissipation device is enhanced.

Description

Medical cold light source for endoscope image system

Technical Field

The utility model relates to an endoscope cold light source field, in particular to a medical cold light source for speculum image system.

Background

At present, chinese patent with publication number CN103156569A discloses an endoscope LED lamp, which comprises a sealed housing, wherein a substrate is further disposed at one end inside the sealed housing, an LED is mounted on one side of the substrate, a heat sink is mounted on the other side of the substrate, and the heat sink is connected with a heat dissipation fan; the sealed shell is further connected with a first support and a second support, the first support and the second support are arranged at two ends inside the sealed shell respectively, one end of the first support is fixedly connected with the substrate, the other end of the first support is suspended and provided with the light source condensing lens group, one end of the second support is suspended and provided with the secondary condensing optical lens group, the other end of the second support is fixedly connected with the sealed shell, the joint is provided with the optical fiber interface, one end of the optical fiber interface is inserted with an optical fiber, and the other end of the optical fiber interface is provided with the optical fiber light receiving device.

The LED light-emitting diode emits light, the light is condensed by the light source condensing lens group, the condensed light irradiates the secondary condensing optical lens group to be condensed to the light in a rectangular shape again, the light after secondary condensation irradiates the optical fiber light receiving device, the light is conducted to an irradiation position through the optical fiber, and meanwhile, the heat radiation fan and the heat radiator radiate heat for the LED light-emitting diode.

Although the LED lamp of the endoscope solves the problem that the illumination brightness of a light source is not ideal enough, the luminous efficiency of the LED lamp is generally 30% -40%, more than half of electric energy is still converted into heat energy, therefore, the core part of an LED element is still in an abnormal high-temperature state in the luminous process, the heat dissipation is enhanced only by a heat dissipation fan, the temperature of the LED lamp cannot be well controlled in a proper range, and the normal service life of the light source is maintained.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a medical cold light source for speculum image system, its advantage is good heat dispersion.

The above technical purpose of the present invention can be achieved by the following technical solutions: a medical cold light source for a speculum image system comprises a box body, an LED lamp and an optical fiber connector, wherein the LED lamp and the optical fiber connector are arranged in the box body; the LED lamp heat dissipation device is characterized by further comprising a heat dissipation assembly for conducting heat out of the LED lamp, an exhaust assembly for exhausting hot air in the box body, and an air inlet assembly for inputting external air into the box body, wherein the heat dissipation assembly comprises a connecting portion, a plurality of radiating fins and a plurality of heat conduction pipes connected with the radiating fins, and one side of the connecting portion is attached to the LED lamp.

According to the technical scheme, the connecting part is attached to the LED lamp to lead out heat generated by the LED lamp, the heat conducting pipe is connected with the plurality of radiating fins, and the heat LED out by the connecting part is transferred to the plurality of radiating fins, so that the radiating efficiency is improved; the air inlet assembly blows air to the LED lamp and the radiating fins, cooling of the LED lamp and the radiating fins is accelerated, hot air emitted by the radiating fins and air blown through the radiating fins and the LED lamp are exhausted out of the box body through the exhaust assembly, and an air path is formed.

The utility model discloses further set up to: the box below is equipped with the support, exhaust assembly sets up in the fin below and passes the box and be connected with the external world.

Through above-mentioned technical scheme, the support sets up in the box below, separates the box partial height, and the box heat dissipation of being convenient for, exhaust subassembly passes the box and is connected with the external world, is convenient for with the air suction in the box, and exhaust subassembly sets up in the radiator unit below, improves the peripheral gas flow speed of radiator unit for the radiating rate of fin.

The utility model discloses further set up to: the LED lamp is connected with a temperature sensor, the temperature sensor is connected with a temperature display arranged on the surface of the box body, and a switch button for changing the wind power of the air inlet assembly is further arranged on the surface of the box body.

Through the technical scheme, the temperature sensor is connected with the LED lamp, so that the temperature of the LED lamp can be conveniently detected; the temperature display is arranged on the surface of the box body, so that a user can conveniently judge the running condition of the LED lamp according to the temperature display; the switch button controls the wind power of the air inlet assembly, so that a user can adjust the wind power of the air inlet assembly according to the temperature of the LED lamp, and when the temperature of the LED lamp is low, a weak wind shield is used, and electric energy is saved.

The utility model discloses further set up to: and a light condensing assembly is arranged between the LED lamp and the optical fiber connector, and wind shields are arranged on two sides of the light condensing assembly.

Through above-mentioned technical scheme, the windshield sets up in spotlight subassembly both sides, prevents that the subassembly of admitting air from blowing, vibrations spotlight subassembly, influence light source stability.

The utility model discloses further set up to: the radiating fins are provided with a plurality of ventilation air passages.

Through above-mentioned technical scheme, the fin is opened has a plurality of ventilation air flues, increases the area of contact of fin and external for the radiating efficiency of fin, the wind that the subassembly of being convenient for simultaneously blew off passes the fin, accelerates the peripheral air flow rate of fin.

The utility model discloses further set up to: an air filter screen is arranged at the air inlet of the fan on the box body.

Through above-mentioned technical scheme, the air gets into the box after crossing filter, prevents that external dust from getting into the box, influences the light source and assembles.

The utility model discloses further set up to: and a rubber pad is arranged below the support.

Through above-mentioned technical scheme, the rubber pad is used for reducing the box vibrations that intake assembly and exhaust subassembly arouse, increases the friction between mounting bracket and the contact surface simultaneously, prevents relative slip between the two.

The utility model discloses further set up to: the exhaust assembly is two groups of small mute exhaust fans which are arranged side by side.

Through above-mentioned technical scheme, exhaust assembly is the silence exhaust fan, reduces the noise that the exhaust fan produced when operation, prevents the influence of noise to the user.

To sum up, the utility model discloses following beneficial effect has:

1. the air inlet assembly and the air outlet assembly are arranged, the box body is overhead, the radiator is radiated, and meanwhile, an air passage is formed in the box body, so that the air exchange between the box body and the outside is accelerated, and the radiating performance of the radiator is enhanced;

2. the temperature sensor is arranged on the LED lamp, the temperature of the LED lamp is monitored in real time, the wind power of the air inlet assembly is set to be multi-gear, the wind power is adjusted according to the temperature of the LED lamp, and electric energy is saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the case of the present embodiment;

FIG. 3 is an exploded view of the lower part of the case of the present embodiment;

fig. 4 is a schematic structural diagram of the heat dissipation assembly of the present embodiment;

fig. 5 is a fitting view of the heat dissipating assembly of the present embodiment and an LED lamp.

Reference numerals: 1. a box body; 11. a housing; 111. a support; 112. a rubber pad; 113. a vent; 114. mounting grooves; 115. mounting a shell; 116. an air outlet; 12. an upper cover; 121. an optical fiber port; 122. a display screen fixing groove; 123. switching a key; 124. installing a buckle; 125. a fixed table; 2. an LED lamp; 21. a base; 3. a heat dissipating component; 31. a heat conducting pipe; 311. a tip; 32. a heat sink; 321. a first heat sink; 322. a second heat sink; 33. a connecting portion; 34. a ventilation air passage; 35. a vertical air passage; 36. an arc-shaped slot; 37. a heat conduction hole; 4. an air intake assembly; 5. an exhaust assembly; 51. an exhaust fan; 6. a light focusing assembly; 61. a windshield; 7. an optical fiber splice; 8. a temperature sensor; 81. and a temperature display.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 2, a medical cold light source for a speculum imaging system comprises a box body 1, an LED lamp 2 arranged at one end of the box body 1, an optical fiber connector 7 arranged at the other end of the box body 1, and a light focusing assembly 6 arranged inside the box body 1, wherein a heat dissipation assembly 3 is arranged between the LED lamp 2 and the box body 1, an exhaust assembly 5 is arranged below the heat dissipation assembly 3, and air inlet assemblies 4 are arranged on two sides of the box body 1; the box body 1 is used for installing other components, the centers of the LED lamp 2, the light focusing component 6 and the optical fiber connector 7 are positioned on the same axis, the LED lamp 2 emits cold light, the light focusing component 6 focuses the cold light emitted by the LED lamp 2 and transmits the cold light to the optical fiber connector 7, and the optical fiber connector 7 transmits a light source to the sight glass.

Specifically, referring to fig. 1 and 3, the box body 1 includes a housing 11 for mounting other components and an upper cover 12 clamped with the housing 11, mounting housings 115 for mounting the air intake component 4 are disposed on two sides of the housing 11, an air outlet 116 (refer to fig. 2) of the mounting housing 115 faces the heat dissipation component 3, a support 111 is disposed at the bottom of the housing 11, two groups of the support 111 are arranged in a long strip shape and are respectively disposed on two sides of a bottom plate of the housing 11, and a rubber pad 112 is disposed below the support 111; the bottom of the shell 11 is also provided with a vent 113 for installing the exhaust component 5; the inner walls of the side plates at two sides of the shell 11 are provided with mounting grooves 114 along the circumferential direction of the side plates; the joint of the upper cover 12 and the housing 11 is provided with an installation buckle 124 matching with the installation groove 114 in size and shape, one end of the upper cover 12 close to the heat dissipation component 3 is provided with a fixed platform 125 abutting against the heat dissipation component 3, and the other end is provided with a display screen fixed groove 122 and an optical fiber port 121.

Referring to fig. 5, a base 22 is arranged between the LED lamp 2 and the heat dissipation assembly 3, the LED lamp 21 is provided with a plurality of LED lamps, the LED lamps are arranged in order on one side of the base 22, the base 22 is a rectangular plate, the LED lamp 21 is installed on one side, the opposite side is connected with the heat dissipation assembly 3, the side of the base 22 is further connected with a power line, the power line is connected with the power supply to supply power to the base 22, four screw holes are arranged at four corners of the base 22, and the base 22 is connected with the heat dissipation assembly 3 through screws.

Referring to fig. 4 and 5, the heat dissipation assembly 3 includes a connection portion 33 attached to the base 22, and a plurality of sets of heat dissipation fins 32 and heat conduction pipes 31 connected to the connection portion 33, where the heat dissipation fins 32 are provided, the connection portion 33 is a rectangular parallelepiped, the size of the end surface of the connection portion 33 is the same as that of the base 22, one side of the connection portion 33 connected to the base 22 is provided with a heat conduction hole 38 for the heat conduction pipe 38 to pass through, and the other side of the connection portion 33 is fixedly connected to the heat dissipation fins 32; the heat dissipation plate 32 includes a first heat dissipation plate 321 and a second heat dissipation plate 322 connected to the connection portion 33, the first heat dissipation plate 321 is in a frustum pyramid shape, and a plurality of ventilation air passages 35 are arranged inside the first heat dissipation plate 321 in a criss-cross manner to increase a contact area with air; the second heat sink 322 is a rectangular plate and is provided with a plurality of vertical air passages 36 from top to bottom; the wind blowing the second cooling fins 322 passes through the vertical air duct 36 and is discharged out of the box body 1 by the exhaust assembly 5; the second heat sink 322 is fixedly connected with the ground of the box 1 through screws, an arc-shaped groove 37 is formed in one side of the second heat sink 322, which is connected with the first heat sink 321, the diameter of the arc-shaped groove 37 is consistent with that of the heat pipe 31, and one side of the second heat sink 322, which is far away from the first heat sink 321, abuts against the fixed platform 125 of the box 1; the heat pipe 31 is a sealed pipe, one end of the heat pipe 31 is disposed in the arc-shaped groove 37 of the first heat sink 321, the first heat sink 321 abuts against the second heat sink 322 to fix the heat pipe 31, the heat pipe 31 is disposed around the first heat sink 321, passes through the heat conducting hole 38 of the first heat sink 321, is connected to the second heat sink 322 again, and penetrates through the first heat sink 322, and the end 311 of the heat pipe exposes the second heat sink 322.

Referring to fig. 2, the light condensing assembly 6 includes three sets of convex lenses coaxially disposed, one set of the convex lenses is close to the LED lamp 2 to condense the cold light emitted from the LED lamp 2, and the other two sets of the convex lenses are disposed at an end close to the optical fiber connector 7 with a fixed distance therebetween to condense the condensed cold light again and project the condensed cold light to the optical fiber connector 7; the three groups of convex lenses are fixed on the box body 1 through screws, meanwhile, a wind shield 61 is arranged outside the three groups of convex lenses, the wind shield 61 is in a frame shape and fixed on the bottom surface of the box body 1 through screws, and the wind shield 61 shields three surfaces of the light gathering component 6 and only one surface close to the LED lamp 2 and the optical fiber connector 7 in the air.

Referring to fig. 2 and 4, the air intake assemblies 4 are provided in two groups and are installed in the installation shell 115 of the box body 1, the wind power gear of the air intake assembly 4 is provided with multiple gears which can be adjusted according to actual use, and a filter screen is arranged outside the air intake assembly 4 and is used for preventing dust from entering; the exhaust assembly 5 is two small silent exhaust and intake assemblies 51 which are arranged at the air vent 113 and exhaust the internal air; the temperature sensor 8 is arranged above the LED lamp 2, detects the temperature of the LED lamp 2, transmits temperature information to the temperature display 81 through a lead, and is provided with a switch key 123 below the temperature display 81 and leads for connecting the air inlet component 4, the air outlet component 5 and the temperature sensor 8; meanwhile, a power line connected with an external power supply is arranged in the box body 1 and provides running electric energy for the air inlet assembly 4, the exhaust assembly 5, the temperature sensor 8 and the LED lamp 2.

The utility model discloses a working process and principle:

the LED lamp 2 is connected with a power supply and emits cold light, the cold light is gathered through the three groups of convex lenses and enters the optical fiber connector 7, the optical fiber connector 7 transmits the cold light to the sight glass, heat generated in the light emitting process of the LED lamp 2 is LED out through the connecting part and is transmitted to the radiating fins 32 through the heat conduction pipe 31, external air passes through the air filter screen and enters the air inlet assembly 4, the air inlet assembly 4 blows cold air, the cold air passes through the LED lamp 2 and cools the LED lamp 2, meanwhile, the cold air blows through the ventilation air passage 35 of the first radiating fin 321 and blows to the second radiating fin 322 and moves downwards along the vertical air passage 36 of the second radiating fin 322 and is finally discharged out of the box body 1 through the exhaust assembly 5, an air path is formed in the flowing process of the cold air, gas exchange between the box body 1 and the outside is facilitated, the temperature sensor 8 is further arranged on the box body 1, the temperature of the LED lamp 2 is facilitated to be monitored, and the air blowing quantity of the air inlet assembly 4 is adjusted according to the temperature.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A medical cold light source for a speculum image system comprises a box body (1), an LED lamp (2) and an optical fiber connector (7), wherein the LED lamp (2) and the optical fiber connector (7) are installed in the box body (1), and the LED lamp (2) and the optical fiber connector (7) are respectively arranged at two ends of the box body (1);

the LED lamp is characterized by further comprising a heat dissipation assembly (3) used for conducting heat on the LED lamp (2), an exhaust assembly (5) used for exhausting hot air in the box body (1), and an air inlet assembly (4) used for inputting external air into the box body (1), wherein the heat dissipation assembly (3) comprises a connecting portion (33), a plurality of radiating fins (32) and a heat conduction pipe (31) connected with the plurality of radiating fins (32), and one side of the connecting portion (33) is attached to the LED lamp (2).

2. A medical cold light source for an endoscope image system according to claim 1, wherein a support (111) is provided below the box body (1), and the exhaust assembly (5) is provided below the heat sink (32) and connected to the outside through the box body (1).

3. A medical cold light source for an endoscope image system according to claim 2, characterized in that the LED lamp (2) is connected with a temperature sensor (8), the temperature sensor (8) is connected with a temperature display (81) arranged on the surface of the box body (1), and a switch button (123) for changing the wind power of the air intake component (4) is further arranged on the surface of the box body (1).

4. A medical cold light source for an endoscope image system according to claim 3, wherein a light focusing component (6) is arranged between the LED lamp (2) and the optical fiber connector (7), and two sides of the light focusing component (6) are provided with wind shields (61).

5. A medical cold light source for use in endoscopic imaging systems according to claim 2, wherein said heat sink (32) is formed with a plurality of ventilation air passages (35).

6. A medical cold light source for an endoscope image system according to claim 3, characterized in that an air filter screen is arranged at the air inlet of the air intake component (4) of the box body (1).

7. A medical cold light source for an endoscopic imaging system as claimed in claim 3, wherein a rubber pad (112) is provided under said support (111).

8. A medical cold light source for a speculum image system as in claim 1, wherein said exhaust assembly (5) is two sets of small silent exhaust fans (51) arranged side by side.