CN218993327U - Double-effect heat dissipation type shadowless lamp - Google Patents
Double-effect heat dissipation type shadowless lamp Download PDFInfo
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- CN218993327U CN218993327U CN202222907251.0U CN202222907251U CN218993327U CN 218993327 U CN218993327 U CN 218993327U CN 202222907251 U CN202222907251 U CN 202222907251U CN 218993327 U CN218993327 U CN 218993327U
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- heat dissipation
- pressing plate
- guide plate
- reflector
- shadowless lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The present utility model relates to the field of medical devices. The double-effect heat dissipation type shadowless lamp comprises a cavity surrounded by a housing and a light-transmitting plate, wherein a light-emitting bulb and a reflector are arranged in the cavity, a heat shield is arranged at the periphery of the light-emitting bulb and comprises an upper pressing plate and a lower pressing plate which are arranged up and down, heat-insulating glass is clamped between the upper pressing plate and the lower pressing plate, and the heat-insulating glass is arranged between the light-emitting bulb and the reflector; the reflector and the upper pressing plate are provided with a diversion channel which is arranged up and down; the heat dissipation assembly comprises a guide plate and heat dissipation fins, the guide plate is arranged between the housing and the reflector, a heat dissipation gap communicated with the guide channel is reserved between the guide plate and the reflector, a heat dissipation gap is reserved between the guide plate and the housing, and the guide plate is of a disc-shaped structure with the outer edge bent downwards; the upper side of the guide plate is provided with radiating fins. According to the utility model, the guide plate and the radiating fins are combined, so that the radiating effect is improved, the internal temperature of the lighting system is reduced, and the weight of the shadowless lamp cap is not required to be increased additionally.
Description
Technical Field
The utility model relates to the field of medical appliances, in particular to a shadowless lamp.
Background
Shadowless lamps a relatively common light source comprises a halogen lamp. Halogen bulbs are widely used for price reasons. When the halogen bulb works, the working temperature of the filament is high, and overheating can lead patient tissues in a surgical operation area to be dry, so that the operation effect is affected, and therefore, a reasonable heat dissipation structure is required for the design of an illumination system of the shadowless lamp.
At present, in order to control the occupied volume and weight of the shadowless lamp, a flat plate-shaped heat radiating device is often arranged between the reflector and the housing. A single heat sink is not beneficial to ensuring the heat dissipation effect. At present, a shadowless lamp structure capable of further improving the heat dissipation effect is urgently needed.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a double-effect heat dissipation type shadowless lamp so as to solve at least one technical problem.
In order to achieve the above purpose, the utility model provides a double-effect heat dissipation type shadowless lamp, which comprises a cavity surrounded by a housing and a light-transmitting plate, wherein a light-emitting bulb and a reflector are arranged in the cavity, and the light-emitting direction of the light-emitting bulb faces to the reflector;
the reflector is arranged above the upper pressing plate, and the reflector and the upper pressing plate are provided with guide channels arranged up and down;
the heat dissipation assembly comprises a guide plate and heat dissipation fins, wherein the guide plate is arranged between the housing and the reflecting mirror, a heat dissipation gap communicated with the guide channel is reserved between the guide plate and the reflecting mirror, a heat dissipation gap is reserved between the guide plate and the housing, and the guide plate is of a disc-shaped structure with the outer edge bent downwards;
the upper side of the guide plate is provided with the radiating fins.
According to the utility model, through optimizing the structure of the shadowless lamp and combining the guide plate and the radiating fins, the radiating effect is improved, the internal temperature of the lighting system is reduced, and the weight of the lamp cap of the shadowless lamp is not required to be increased additionally. Meanwhile, through the arrangement of the heat-insulating glass, heat conduction to a patient is avoided.
Further preferably, the heat dissipation fins comprise a cylindrical substrate, and the cylindrical substrate is provided with circumferentially arranged heat dissipation fins.
And the heat dissipation effect is convenient to improve.
Further preferably, the outer edge of the upper pressing plate is provided with an upward extending side wall, and the top of the side wall is propped against the reflector;
a foot pad is clamped between the reflector and the guide plate;
the upper pressing plate, the reflecting mirror, the foot pads, the guide plates and the radiating fins are all provided with through holes for penetrating through the same bolt, and the upper pressing plate, the reflecting mirror, the foot pads, the guide plates and the radiating fins are fixed through bolts.
The detachable assembly is convenient to realize. The adjustment of the distance between the guide plate and the reflective mirror is convenient to realize through the adjustment of the height of the foot pad.
Further preferably, a locking nut is connected to the bolt in a threaded manner, and the lower side of the locking nut abuts against the lower pressing plate.
Still preferably, the upper pressing plate and the lower pressing plate are both provided with a limiting frame, a sealing gasket is arranged in the limiting frame, and a limiting groove embedded into the heat-insulating glass is formed in the sealing gasket.
Further preferably, the heat insulating glass is clamped between the upper pressing plate and the lower pressing plate through a connecting component, the connecting component comprises a hollow sleeve, the upper end of the hollow sleeve is in threaded connection with an upper nut, and the lower end of the hollow sleeve is in threaded connection with a lower nut;
the upper nut is propped against the upper pressing plate, and the lower nut is propped against the lower pressing plate.
The detachable fixing of the heat-insulating glass is convenient to realize.
The beneficial effects are that:
because the periphery of the luminous bulb is provided with the heat-insulating glass, most of heat is conducted to the guide plate and the radiating fins through the guide passage of the upper pressing plate and the guide passage of the reflector, and the heat is rapidly diffused to the cavity between the cover cap and the reflector by the guide plate and the radiating fins, so that the generated heat is rapidly and uniformly transferred out, the internal temperature of the lighting system is reduced, the long-term normal operation of the lighting system is ensured, and the reliability of the shadowless lamp is improved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Wherein: 1 is a housing, 2 is a reflector, 3 is an upper pressing plate, 4 is heat-insulating glass, 5 is a luminous bulb, 6 is a foot pad, 7 is a radiating fin, 8 is a guide plate, 9 is a hollow sleeve, 10 is a lower pressing plate, and 11 is a light-transmitting plate.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1, embodiment 1, a double-effect heat dissipation type shadowless lamp comprises a cavity surrounded by a housing 1 and a light-transmitting plate 11, wherein a light-emitting bulb 5 and a reflector 2 are installed in the cavity. The center of the light-transmitting plate is provided with a luminous bulb fixing seat. The number of the luminous bulbs is two. The two light bulbs are halogen lamps. The light-emitting direction of the light-emitting bulb 5 faces the reflector 2, the periphery of the light-emitting bulb 5 is provided with a heat shield, the heat shield comprises an upper pressing plate 3 and a lower pressing plate 10 which are arranged up and down, heat-insulating glass 4 is clamped between the upper pressing plate 3 and the lower pressing plate 10, and the heat-insulating glass 4 is arranged between the light-emitting bulb 5 and the reflector 2; the reflector 2 is arranged above the upper pressing plate 3, and the reflector 2 and the upper pressing plate 3 are provided with flow guide channels which are arranged up and down; the heat radiation assembly comprises a guide plate 8 and heat radiation fins 7, wherein the guide plate 8 is arranged between the housing 1 and the reflecting mirror 2, a heat radiation gap communicated with the guide channel is reserved between the guide plate 8 and the reflecting mirror 2, a heat radiation gap is reserved between the guide plate and the housing 1, and the guide plate 8 is of a disc-shaped structure with the outer edge bent downwards. (alternatively, the outer edge of the deflector is arc-shaped downwards.) the upper side of the deflector is provided with a radiating fin 7. According to the utility model, through optimizing the structure of the shadowless lamp and combining the guide plate 8 with the radiating fins 7, the radiating effect is improved, the internal temperature of the lighting system is reduced, and the weight of the lamp cap of the shadowless lamp is not required to be increased additionally. Meanwhile, through the arrangement of the heat-insulating glass, heat conduction to a patient is avoided. At the same time, the heat conduction to the patient is avoided by the arrangement of the insulating glass 4. The guide plate cover is arranged above the guide channel.
The heat radiation fins 7 comprise a cylindrical matrix, and the cylindrical matrix is provided with circumferentially arranged heat radiation fins. And the heat dissipation effect is convenient to improve. The heat radiating fins may be metal pieces.
The outer edge of the upper pressing plate 3 is provided with a side wall extending upwards, and the top of the side wall is propped against the reflector 2; a foot pad 6 is clamped between the reflector 2 and the guide plate 8; the upper pressing plate 3, the reflecting mirror 2, the foot pads 6, the guide plates 8 and the radiating fins 7 are all provided with through holes for penetrating through the same bolts, and the upper pressing plate 3, the reflecting mirror 2, the foot pads 6, the guide plates 8 and the radiating fins 7 are fixed through the bolts. The detachable assembly is convenient to realize. The adjustment of the distance between the guide plate 8 and the reflector 2 is convenient to realize through the adjustment of the height of the foot pad 6. The bolt is connected with a locking nut in a threaded manner, and the lower side of the locking nut abuts against the lower pressing plate 10.
The upper pressing plate 3 and the lower pressing plate 10 are respectively provided with a limiting frame, a sealing gasket is arranged in the limiting frames, and the sealing gasket is provided with a limiting groove embedded into the heat insulation glass 4.
The heat insulation glass 4 is clamped between the upper pressing plate 3 and the lower pressing plate 10 through a connecting component, the connecting component comprises a hollow sleeve 9, the upper end of the hollow sleeve 9 is in threaded connection with an upper nut, and the lower end of the hollow sleeve 9 is in threaded connection with a lower nut; the upper nut is propped against the upper pressing plate 3, and the lower nut is propped against the lower pressing plate 10. The detachable fixing of the insulating glass 4 is convenient to realize. The number of the connection components can be three.
The number of the heat insulating glass 4 is six, and the six heat insulating glass 4 encloses a hexagonal prism-shaped structure. The side surfaces of adjacent heat-insulating glass in the six heat-insulating glasses are abutted.
The deflector 8 comprises an aluminum alloy matrix, and the outside of the aluminum alloy matrix is covered with an anodic oxide film layer. The anodic oxide film layer is black. The heat absorbing effect can be improved.
The guide channel of the reflector 2 is a hole with the diameter of 100 mm. The guide channel of the upper pressure plate 3 is a hole with the diameter of 75 mm.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (9)
1. The double-effect heat dissipation type shadowless lamp comprises a cavity surrounded by a housing and a light-transmitting plate, wherein a light-emitting bulb and a reflector are arranged in the cavity, and the light-emitting direction of the light-emitting bulb faces to the reflector;
the reflector is arranged above the upper pressing plate, and the reflector and the upper pressing plate are provided with guide channels arranged up and down;
the heat dissipation assembly comprises a guide plate and heat dissipation fins, wherein the guide plate is arranged between the housing and the reflecting mirror, a heat dissipation gap communicated with the guide channel is reserved between the guide plate and the reflecting mirror, a heat dissipation gap is reserved between the guide plate and the housing, and the guide plate is of a disc-shaped structure with the outer edge bent downwards;
the upper side of the guide plate is provided with the radiating fins.
2. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the radiating fins comprise cylindrical matrixes, and circumferentially arranged radiating fins are arranged on the cylindrical matrixes.
3. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the outer edge of the upper pressing plate is provided with a side wall extending upwards, and the top of the side wall is propped against the reflector;
a foot pad is clamped between the reflector and the guide plate;
the upper pressing plate, the reflecting mirror, the foot pads, the guide plates and the radiating fins are all provided with through holes for penetrating through the same bolt, and the upper pressing plate, the reflecting mirror, the foot pads, the guide plates and the radiating fins are fixed through bolts.
4. The double-effect heat-dissipating shadowless lamp of claim 3, wherein: and the bolt is connected with a locking nut in a threaded manner, and the lower side of the locking nut abuts against the lower pressing plate.
5. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the upper pressing plate and the lower pressing plate are respectively provided with a limiting frame, a sealing gasket is arranged in the limiting frames, and limiting grooves embedded into the heat-insulating glass are formed in the sealing gaskets.
6. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the heat-insulating glass is clamped between the upper pressing plate and the lower pressing plate through a connecting component, the connecting component comprises a hollow sleeve, the upper end of the hollow sleeve is in threaded connection with an upper nut, and the lower end of the hollow sleeve is in threaded connection with a lower nut;
the upper nut is propped against the upper pressing plate, and the lower nut is propped against the lower pressing plate.
7. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the heat-insulating glass is provided with six heat-insulating glasses, and the six heat-insulating glasses enclose a hexagonal prism-shaped structure.
8. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the guide plate comprises an aluminum alloy matrix, and an anodic oxidation film layer is covered on the outer side of the aluminum alloy matrix.
9. The double-effect heat dissipation type shadowless lamp of claim 1, wherein: the outer edge of the guide plate is arc-shaped downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907251.0U CN218993327U (en) | 2022-11-02 | 2022-11-02 | Double-effect heat dissipation type shadowless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907251.0U CN218993327U (en) | 2022-11-02 | 2022-11-02 | Double-effect heat dissipation type shadowless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218993327U true CN218993327U (en) | 2023-05-09 |
Family
ID=86188502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907251.0U Active CN218993327U (en) | 2022-11-02 | 2022-11-02 | Double-effect heat dissipation type shadowless lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218993327U (en) |
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2022
- 2022-11-02 CN CN202222907251.0U patent/CN218993327U/en active Active
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