CN109915767B - Enclosed type illuminating lamp - Google Patents
Enclosed type illuminating lamp Download PDFInfo
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- CN109915767B CN109915767B CN201910270538.7A CN201910270538A CN109915767B CN 109915767 B CN109915767 B CN 109915767B CN 201910270538 A CN201910270538 A CN 201910270538A CN 109915767 B CN109915767 B CN 109915767B
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- air
- lamp
- pool
- lamp barrel
- cover plate
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- 238000005286 illumination Methods 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims description 6
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 241000555745 Sciuridae Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The invention relates to a closed type illuminating lamp, and belongs to the technical field of light emission. The upper parts of the front and rear lamp barrels of the irradiation lamp are respectively extended to form a front air channel pool and a rear air channel pool, and the front and rear air channel pools are respectively covered with a front cover plate and a rear cover plate which downwards extend to form an inner fin to form a closed lamp barrel; the front end of the front air duct pool and the rear end of the rear air duct pool are respectively provided with a return air hole and an air supply hole, and an inner fan is arranged below the air supply hole; the air outlet of the inner fan is communicated with the air supply three-way pipe, and the center of the light source is positioned at the front end of the air supply three-way pipe; the upper parts of the front cover plate and the rear cover plate are clung to the outer base plate, the outer fan is arranged on the outer base plate corresponding to the inner fan, and the front side of the outer fan is provided with radiating fins attached to the outer base plate; the outer shell is provided with an air outlet and an air inlet. The invention organically combines internal circulation convection heat transfer, contact heat transfer and external circulation convection heat dissipation, thereby properly solving the heat dissipation problem in the closed lamp tube and enabling the high-power light source to work stably and reliably for a long time when the high-power light source is used for projecting illumination and a dazzling weapon.
Description
Technical Field
The invention relates to a light beam emission device, in particular to a closed type illuminating lamp, and belongs to the technical field of light emission.
Background
The high-power searchlight is generally composed of an azimuth component serving as a base, a pitching component mounted on the azimuth component and a light tube component mounted on the pitching component, can illuminate and can be used as a glaring weapon when necessary, and has wide application. When such a high-power searchlight is used in a high-humidity and high-salt environment such as the sea, the lamp tube must be sealed, so that effective heat dissipation becomes a difficult problem, if the heat dissipation problem cannot be properly solved, the service life of the light source must be greatly shortened.
As can be seen from the search, chinese patent application No. 201680050280.4 discloses a lighting device for a motor vehicle searchlight, having: at least one light emitting module for emitting visible light; at least one optical member that deflects and/or forms light of the light emitting module; and a holding module connected to the light emitting module, the holding module supporting at least one optical member therein, the light emitting module including at least one laser source and a light conversion element, light of the at least one laser source being turned to the light conversion element, the light conversion element converting light into visible light and being injected into the optical member. Although this patent application proposes a laser light source and a modularized thought, it requires a closed modularized assembly structure, and then reliable heat dissipation of the laser light source becomes a bottleneck.
In addition, the chinese patent application with application number 201410306819.0 discloses a double-reflecting-cover zoom lamp, which has the advantages that the double-reflecting-cover design can effectively improve the light utilization rate and reduce the energy consumption, but the system is open, the use requirement of severe environments such as high salt and high humidity cannot be met, the structural space is small, only fins on a metal fixing seat are used for radiating, and the insulation requirement and the radiating requirement of a high-power light source of a hostile searchlight are difficult to meet, so that the zoom lamp cannot meet the use requirement of the floodlight as a glaring weapon.
Disclosure of Invention
The invention aims at: aiming at the problems in the prior art, a closed type illuminating lamp which is used for properly solving the difficult problem of heat dissipation of a closed lamp tube is provided, thereby creating favorable conditions for adopting a high-power light source as a special device such as projection illumination and dazzling weapon.
In order to achieve the above object, the sealed illumination lamp of the present invention comprises a lamp barrel in which a light source and a reflecting mirror are installed, the lamp barrel is composed of a front lamp barrel and a rear lamp barrel which are butted through an annular spigot, and a front glass cover and a rear baffle are respectively installed at the front end of the front lamp barrel and the rear end of the rear lamp barrel;
a front air duct pool and a rear air duct pool which are communicated with each other through air holes at the butt joint positions are respectively extended above the front lamp barrel and the rear lamp barrel, and the front air duct pool and the rear air duct pool are respectively covered with a front cover plate and a rear cover plate which downwards extend out of the inner fins to form a closed lamp barrel;
the front end of the front air duct pool and the rear end of the rear air duct pool are respectively provided with an air return hole and an air supply hole which are communicated into the front lamp barrel and the rear lamp barrel, and an inner fan is arranged below the air supply hole; the air outlet of the inner fan is communicated with a vertical pipeline of the inverted T-shaped air supply three-way pipe, and the center of the light source is positioned at the front end of a horizontal channel of the air supply three-way pipe;
the upper parts of the front cover plate and the rear cover plate are tightly attached to the outer base plate and buckled on the outer base plate to form an outer cover shell of the outer air duct, the outer base plate is provided with an outer fan at a position corresponding to the inner fan, and the front side of the outer fan is provided with radiating fins attached to the outer base plate; the front side of the outer housing is provided with an air outlet, and the position corresponding to the upper part of the outer fan is provided with an air inlet.
When the lamp tube is in operation, the air supply of the inner fan is blown to the center of the light source through the air supply hole and the air supply three-way pipe, then enters the front air channel pool from the air return hole and flows to the rear air channel pool to form heat exchange convection internal circulation of the heat of the light source and the inner fins of the front cover plate and the rear cover plate of the fins, and then the heat is transferred into the outer air channel from the inside of the closed lamp tube through conduction between the inner fins and the radiating fins; the external fan blows outside cold air into the air inlet and then blows the air to the air outlet through the radiating fins, so that heat of the radiating fins is radiated.
Therefore, the invention organically combines internal circulation convection heat transfer, contact heat transfer and external circulation convection heat dissipation, and transfers heat step by step, thereby properly solving the heat dissipation problem in the closed lamp tube.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of the embodiment of fig. 1.
Fig. 3 is a schematic perspective exploded view of the embodiment of fig. 1.
Fig. 4 is a partially exploded perspective view of the embodiment of fig. 1.
Detailed Description
Example 1
The enclosed illumination lamp of this embodiment adopts high-power light source, can regard as the dual-purpose device of throw lighting and dazzling weapon through focus regulation and control, and its specific structure is as shown in fig. 1 through 4, and the lamp section of thick bamboo is formed by front lamp barrel 1 and back lamp barrel 2 through annular flange limit tang with the help of fastener butt joint, and internally mounted is as the high-power xenon lamp of light source 9, can regard as throw lighting or dazzling weapon through focusing. The butt joint of the front lamp barrel 1 and the rear lamp barrel 2 respectively extend inwards to form a front inner retainer ring and a rear inner retainer ring, the distance between the front inner retainer ring and the rear inner retainer ring is matched with the thickness of the edge of the rear convex large reflector 5 with a middle perforation, and the rear convex large reflector 5 is clamped and fixed in the front inner retainer ring and the rear inner retainer ring.
The inside of the front lamp barrel 1 is fixedly connected with the central ring seat 1-2 through the front radial ribs 1-1. The rear baffle 4 is fixedly connected with the fixed seat 6 through a flange 4-1 in the middle, a central sleeve 8-1 for inserting a focusing screw hole shaft 8 is fixed in a central hole of the fixed seat 6, and a radial guide pin 8-2 with the inner end extending into an axial chute of the focusing screw hole shaft 8 is arranged on the central sleeve 8-1, so that an axial moving pair is formed, and the focusing screw hole shaft 8 can axially move relative to the fixed seat 6. The central ring seat 1-2 and the focusing screw hole shaft 8 are respectively connected with the front end and the rear end of the high-power xenon lamp light source 9.
The rear end of the light source 9 is fixedly connected with the focusing screw hole shaft 8. The screw hole at the rear end of the focusing screw hole shaft 8 and the inner end of the focusing screw rod 11 form a screw pair, the outer end diameter-reducing section of the focusing screw rod 11 is inserted into the central hole of the flange plate 4-1 of the rear baffle plate 4 and then is fixedly connected with a knob 12 positioned outside the rear baffle plate 4 through a hanging screw, so that an axial constraint rotating pair is formed with the rear baffle plate 4. When the knob is screwed, the focusing screw hole shaft and the light source can be axially displaced together through the screw pair. The front part of the light source 9 is inserted into the central sleeve at the front end of the squirrel cage bracket 13 for positioning. The rear end of the cage support 13 is fixed with a front convex small reflecting mirror 14 with a central perforation. The light emitting center of the light source 9 is positioned at the focal point of the small mirror 14 with a predetermined adjustable distance in front of and behind the focal point of the large mirror.
The upper parts of the front lamp barrel 1 and the rear lamp barrel 2 are respectively extended to form a rectangular front air duct pool 1-Q and a rectangular rear air duct pool 2-H which are communicated with each other through an air hole 2-G at the joint, and the front air duct pool 1-Q and the rear air duct pool 2-H are respectively covered with a front cover plate 16 and a rear cover plate 17 which downwards extend to form an inner fin C. After assembly, the light source is fully enclosed in the light tube.
The front end of the front air duct pool 1-Q and the rear end of the rear air duct pool 1-H are respectively provided with a return air hole and an air supply hole which are communicated with the front lamp barrel 1 and the rear lamp barrel 2, an inner fan 21 is arranged below the air supply hole, the air outlet of the inner fan 21 is communicated with a vertical pipeline of an inverted T-shaped flexible air supply three-way pipe 18, the luminous center of the light source 9 is positioned at the front end of a horizontal channel of the air supply three-way pipe 18, and the rear end of the horizontal channel of the air supply three-way pipe 18 is blocked and fixed at the center sleeve 8-1 of the fixing seat 6. In this way, the inner fan 21 can only blow air towards the center of the front light source through the air supply three-way pipe 18, then the hot air with rising trend is pumped into the front air channel pool from the air return hole, and the hot air is transferred to the rear air channel pool through the air passing hole, so that heat exchange with the inner fins is completed, and an internal heat exchange cycle is formed.
The upper parts of the front cover plate 16 and the rear cover plate 17 are tightly attached to the outer base plate 19, and the outer cover 15 is buckled on the outer base plate 19 to form an outer air duct. Heat grease is applied between the front cover plate 16, the rear cover plate 17 and the outer base plate 19, thereby enhancing heat conduction. An outer fan 20 is arranged on the outer base plate 19 at a position corresponding to the inner fan 21, a radiating fin 19-1 attached to the outer base plate 19 is arranged on the front side of the outer fan 20, an air outlet 15-2 is arranged on the front side of the outer cover 15, and an air inlet 15-1 is arranged at a position corresponding to the upper part of the outer fan. In this way, the adjacent inner fins transfer heat to the radiating fins, the external fan 17 pumps in external cold air from the air inlet and blows the external cold air to the radiating fins, and the hot air after heat exchange is blown out from the air outlet, so that heat exchange with the radiating fins is completed, and external heat exchange circulation with the external air is formed.
The inner fan of this embodiment blows the cold wind after cooling into flexible three-way pipe, because this three-way pipe rear end shutoff, consequently cold wind blows to the light source with faster speed, blows in the headlight bucket fast with its heat that produces to rise through the squirrel cage support that opens the logical groove and get into preceding wind channel pond, the wind channel pond behind the flow direction, carries out heat exchange with the inner fin in two ponds in succession, in the flexible three-way pipe is inhaled by the inner fan again after the cooling. In the internal heat exchange circulation process, heat can be effectively taken away by means of high-speed airflow flowing through the surface of the light source, and then the heat in the closed lamp cylinder is discharged outside the lamp cylinder through heat exchange between the inner fins and the external radiating fins and external heat exchange circulation. Experiments show that the heat dissipation problem in the closed lamp tube is properly solved, so that the high-power light source can work stably and reliably for a long time. The flexible three-way pipe is convenient to assemble and has vibration isolation function.
Therefore, the device can work stably and reliably for a long time even when a high-power light source is adopted as a dual-purpose device for projection illumination and dazzling weapon.
In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the invention.
Claims (8)
1. The closed type illuminating lamp comprises a lamp barrel internally provided with a light source and a reflecting mirror, and is characterized in that the lamp barrel consists of a front lamp barrel and a rear lamp barrel which are in butt joint through annular rabbets, and a front glass cover and a rear baffle are respectively arranged at the front end of the front lamp barrel and the rear end of the rear lamp barrel;
a front air duct pool and a rear air duct pool which are communicated with each other through air holes at the butt joint positions are respectively extended above the front lamp barrel and the rear lamp barrel, and the front air duct pool and the rear air duct pool are respectively covered with a front cover plate and a rear cover plate which downwards extend out of the inner fins to form a closed lamp barrel;
the front end of the front air channel pool is provided with an air return hole and an air supply hole which are communicated with the front lamp barrel, and the rear end of the rear air channel pool is provided with an air return hole and an air supply hole which are communicated with the rear lamp barrel; an inner fan is arranged below the air supply hole; the air outlet of the inner fan is communicated with a vertical pipeline of the inverted T-shaped air supply three-way pipe, and the center of the light source is positioned at the front end of a horizontal channel of the air supply three-way pipe;
the upper parts of the front cover plate and the rear cover plate are tightly attached to the outer base plate and buckled on the outer base plate to form an outer cover shell of the outer air duct, the outer base plate is provided with an outer fan at a position corresponding to the inner fan, and the front side of the outer fan is provided with radiating fins attached to the outer base plate; the front side of the outer housing is provided with an air outlet, and the position corresponding to the upper part of the outer fan is provided with an air inlet.
2. The sealed illumination lamp according to claim 1, wherein: the air supply three-way pipe is a flexible three-way pipe, and the rear end of the horizontal channel is blocked and fixed at the center sleeve of the fixing seat.
3. The sealed illumination lamp according to claim 2, wherein: and heat conduction grease is coated among the front cover plate, the rear cover plate and the outer base plate.
4. A sealed irradiation lamp as set forth in claim 3, wherein: the butt joint of the front lamp barrel and the rear lamp barrel is respectively extended inwards to form a front inner check ring and a rear inner check ring, the distance between the front inner check ring and the rear inner check ring is matched with the thickness of the edge of the rear convex large reflecting mirror with a middle perforation, and the rear convex large reflecting mirror is clamped and fixed in the front lamp barrel and the rear lamp barrel.
5. The sealed illumination lamp according to claim 4, wherein: the inside of the front lamp barrel is fixedly connected with the central ring seat through front radial ribs.
6. The sealed illumination lamp according to claim 5, wherein: the rear baffle is fixedly connected with the fixing seat through a flange plate in the middle.
7. The sealed illumination lamp according to claim 6, wherein: the center sleeve for inserting the focusing screw hole shaft is fixed in the center hole of the fixing seat, and the radial guide pin of which the inner end extends into the axial chute of the focusing screw hole shaft is arranged on the center sleeve, so that an axial moving pair is formed.
8. The enclosed illumination lamp of claim 7, wherein: the central ring seat and the focusing screw hole shaft are respectively connected with the front end and the rear end of the high-power xenon lamp light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270538.7A CN109915767B (en) | 2019-04-04 | 2019-04-04 | Enclosed type illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910270538.7A CN109915767B (en) | 2019-04-04 | 2019-04-04 | Enclosed type illuminating lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109915767A CN109915767A (en) | 2019-06-21 |
| CN109915767B true CN109915767B (en) | 2024-03-22 |
Family
ID=66968622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910270538.7A Active CN109915767B (en) | 2019-04-04 | 2019-04-04 | Enclosed type illuminating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109915767B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201242130Y (en) * | 2008-08-13 | 2009-05-20 | 冯伟雄 | Heat radiation energy-saving lamp |
| CN201983047U (en) * | 2011-02-28 | 2011-09-21 | 叶利苗 | High-power LED (light-emitting diode) illuminator radiating heat through tubular fin heat radiator |
| CN206207197U (en) * | 2016-11-28 | 2017-05-31 | 浙江沪乐电气设备制造有限公司 | Extra large lamp is swept with high-power in naval vessel |
| CN106764978A (en) * | 2017-01-17 | 2017-05-31 | 海星海事电气集团有限公司 | A kind of search lamp peculiar to vessel |
| CN207455218U (en) * | 2017-10-27 | 2018-06-05 | 浙江力昇光电科技有限公司 | A kind of LED heat dissipation structure and the LED lamp comprising the radiator structure |
| CN209587800U (en) * | 2019-04-04 | 2019-11-05 | 江苏欣捷诺环境工程技术有限公司 | A kind of closed irradiation light |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8480269B2 (en) * | 2010-07-07 | 2013-07-09 | Sunonwealth Electric Machine Industry Co., Ltd. | Lamp and heat sink thereof |
-
2019
- 2019-04-04 CN CN201910270538.7A patent/CN109915767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201242130Y (en) * | 2008-08-13 | 2009-05-20 | 冯伟雄 | Heat radiation energy-saving lamp |
| CN201983047U (en) * | 2011-02-28 | 2011-09-21 | 叶利苗 | High-power LED (light-emitting diode) illuminator radiating heat through tubular fin heat radiator |
| CN206207197U (en) * | 2016-11-28 | 2017-05-31 | 浙江沪乐电气设备制造有限公司 | Extra large lamp is swept with high-power in naval vessel |
| CN106764978A (en) * | 2017-01-17 | 2017-05-31 | 海星海事电气集团有限公司 | A kind of search lamp peculiar to vessel |
| CN207455218U (en) * | 2017-10-27 | 2018-06-05 | 浙江力昇光电科技有限公司 | A kind of LED heat dissipation structure and the LED lamp comprising the radiator structure |
| CN209587800U (en) * | 2019-04-04 | 2019-11-05 | 江苏欣捷诺环境工程技术有限公司 | A kind of closed irradiation light |
Non-Patent Citations (1)
| Title |
|---|
| 大功率LED照明翅片散热器的设计及应用;杨光;;光源与照明(第01期);全文 * |
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| Publication number | Publication date |
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| CN109915767A (en) | 2019-06-21 |
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