CN203605188U - LED mining lamp - Google Patents
LED mining lamp Download PDFInfo
- Publication number
- CN203605188U CN203605188U CN201320787850.1U CN201320787850U CN203605188U CN 203605188 U CN203605188 U CN 203605188U CN 201320787850 U CN201320787850 U CN 201320787850U CN 203605188 U CN203605188 U CN 203605188U
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- heat
- radiating cylinder
- led
- transfer fluid
- lamp capable
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to an LED mining lamp. The LED mining lamp comprises an LED light source, a power source and a heat dissipation unit which is connected with the LED light source. The heat dissipation unit comprises a hollow and closed heat dissipation cylinder and a heat transfer fluid work medium arranged in the heat dissipation cylinder. The heat transfer fluid work medium absorbs heat from the joint of the LED light source and the heat dissipation cylinder to be evaporated into a gas state, the heat exchanging is carried out between the work medium and the outside at the inner wall of the heat dissipation cylinder, the gas state is changed into the liquid state again, and therefore a circulation cooling system is formed. By means of the heat transfer fluid work medium, the heat emitted by an LED lighting module is rapidly transferred to the surface of a whole radiator through the boiling, evaporating and condensing processes of heat transfer fluid, the heat transfer temperature difference is effectively reduced, and the heat transfer coefficient is greatly improved. The whole radiator is even in temperature and good in heat dissipating effect.
Description
Technical field
The utility model relates to a kind of LED bulkhead lamp capable, particularly a kind of LED bulkhead lamp capable of body type heat pipe heat radiation.
Background technology
The effective means that great power LED is is luminous energy by electric energy conversion, there is the advantages such as low-voltage, low energy consumption, long-life, high reliability, easy care, fast response time, meet the energy-conservation requirement with environmental protection of Green Lighting Project, be considered to become the 4th generation lighting source, market prospects are very wide.But LED is cold light source, the heat of generation can not send by radiation.And the current final luminous efficiency of LED chip 20% left and right of only having an appointment, most of electric energy conversion has become heat, will cause chip temperature to raise if can not discharge in time.Because the raise various fuel factors that produce of temperature can badly influence service life and the reliability of LED device.
For the problems referred to above, existing LED bulkhead lamp capable heat dissipation technology adopts the heronsbill Aluminium Radiator of column directly to dispel the heat mostly.Because the metallic aluminium capacity of heat transmission is limited, especially high-power LED bulkhead lamp capable, occurs that close illuminator place fin is compared with situation hot and that the other end is colder, and radiating effect is not very desirable, has had a strong impact on the service life of LED bulkhead lamp capable.
Utility model content
The utility model is that the shortcoming that overcomes prior art, with not enough, provides a kind of heat dispersion better LED bulkhead lamp capable.
The utility model is to realize by following technical scheme: a kind of LED bulkhead lamp capable, comprises LED light emitting source, power supply and the heat-sink unit contacting with this LED light emitting source; Described heat-sink unit comprises the radiating cylinder that a hollow is airtight and is arranged on the heat-transfer fluid working medium in this radiating cylinder; From the contact point heat absorption boiling vaporization of LED light emitting source and radiating cylinder, there is heat exchange and again form liquid state in this heat-transfer fluid working medium in inwall and the external world of this radiating cylinder, thus formation one circulating cooling system.By using heat-transfer fluid working medium, make the heat that LED light emitting module sends transfer to rapidly whole spreader surface through boiling, evaporation and the condensation process of heat-transfer fluid, effectively reduce heat transfer temperature difference, increase substantially heat transfer coefficient.Whole radiator temperature is even, and radiating effect is good.
As further improvement of the utility model, described heat-transfer fluid working medium is that vapour pressure under-15～35 degrees Celsius is greater than a standard atmospheric pressure in temperature.
As further improvement of the utility model, the bottom of described radiating cylinder is provided with at least one in order to hold the groove of heat-transfer fluid working medium, and the bottom of this groove contacts with LED light emitting source.By the bottom at radiating cylinder, groove is set, can increases and the contact area of LED light emitting source, make the boiling speed of this heat-transfer fluid working medium faster.
As further improvement of the utility model, described radiating cylinder is a hollow cylinder shape radiating cylinder; The side of this radiating cylinder is provided with radiating fin.By the side at this radiating cylinder, radiating fin is set, is conducive to accelerate heat-transfer fluid working medium and extraneous heat exchange.
As further improvement of the utility model, the top of described radiating cylinder is provided with a topping up valve, is filled with heat-transfer fluid working medium by this topping up valve to radiating cylinder.One topping up valve is set at the top of radiating cylinder, can, when heat-transfer fluid working medium runs off, in this radiating cylinder, be filled with heat-transfer fluid working medium.
As further improvement of the utility model, described topping up valve is check valve, can be after fluid be filled with automatic-sealed, prevent that fluid from leaking outside.
As further improvement of the utility model, also comprise that one for placing the power pack of power supply; This power pack is connected with the top of this radiating cylinder.By a power pack is set, realize the integrated of power supply and LED light emitting source.
As further improvement of the utility model, the top of described power pack is provided with a hook, conveniently in industrial and mineral operation, uses.
As further improvement of the utility model, described LED light emitting source is provided with a lampshade, plays the effect of this LED light emitting source of protection and light harvesting.
In order to understand better and to implement, describe the utility model in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present utility model.
Fig. 2 is profile of the present utility model.
Fig. 3 is the profile of heat-sink unit of the present utility model.
The specific embodiment
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is external structure schematic diagram of the present utility model, and Fig. 2 is profile of the present utility model.LED bulkhead lamp capable of the present utility model, comprises hook 1, power pack 2, heat-sink unit 3, LED light emitting source 4 and lampshade 5.The bottom of this heat-sink unit 3 contacts with LED light emitting source 4, and the top of this heat-sink unit 3 is connected with power pack 2.This hook 1 is located at the top of this power pack 2.This lampshade 5 is arranged on this LED light emitting source 4.In described power pack, place a power supply 21, this power supply 21 is electrically connected with LED light emitting source 4 by wire.
Please refer to Fig. 3, it is the profile of the utility model heat-sink unit.Described heat-sink unit 3 comprises the radiating cylinder 31 of hollow sealing and is arranged on the heat-transfer fluid working medium 32 in this radiating cylinder 31.This radiating cylinder 31 is the radiating cylinder of a hollow cylinder shape.In the utility model, the material of this radiating cylinder 31 is 6063 aluminum alloy materials.The bottom surface of these radiating cylinder 31 inside is at least provided with place's groove, and the bottom surface of this radiating cylinder 31 contacts with LED light emitting source 4.The top of this radiating cylinder 31 is connected with power pack, and the one end at the top of this radiating cylinder 31 is provided with a topping up valve 313, is filled with a heat-transfer fluid working medium 32 by this topping up valve 313 in radiating cylinder.Particularly, this topping up valve is check valve.The lateral surface of this radiating cylinder 31 is provided with radiating fin 311, and this radiating fin 311 is set in qually spaced in the lateral surface of this radiating cylinder 31.
Described heat-transfer fluid working medium 32 is greater than the cold-producing medium of a standard atmospheric pressure for a kind of in the vapour pressure of (between-25 degrees Celsius～35 degrees Celsius) under general temperature, such as, can be that fluorine chlorine is held high or other cold-producing mediums.This heat-transfer fluid working medium 32 absorbs LED light emitting source heat in the bottom of radiating cylinder 31, seethes with excitement, flashes to gaseous state, and with the external world, heat exchange occurs on the inwall of this radiating cylinder 31, again converts liquid to.This liquid, under the effect of gravity, flows to the bottom of radiating cylinder 31 again, thereby forms a cooling recirculation system.
In the time manufacturing this LED bulkhead lamp capable of use, first by vacuumizing in radiating cylinder 31, then heat-transfer fluid working medium 32 is filled with in this radiating cylinder 31, and carries out encapsulation process.The amount of being filled with of this heat-transfer fluid working medium 32 is the bottom of this radiating cylinder 31 of submergence just.Bottom in this radiating cylinder 31 is provided with many places groove 312, this heat-transfer fluid working medium 32 can be in this groove 312, increases heating surface area, the heat being distributed to absorb more fully this LED light emitting source, thereby explosive evaporation is gaseous state, be full of whole radiating cylinder 31 inside.The heat-transfer working medium of this gaseous state carries out heat exchange by inwall and the external world of this radiating cylinder 31, is again converted to liquid state.Under the effect of gravity, flow in the groove of this radiating cylinder 31, form a cooling recirculation system.And in use, if produce the loss of heat-transfer fluid working medium 32, can heat-transfer fluid working medium 32 be supplemented into this radiating cylinder 31 by the topping up valve 313 on this radiating cylinder 31, because this topping up valve 313 is check valve, so in the time being filled with this heat-transfer fluid working medium 32, avoid the adverse current of this heat-transfer fluid working medium 32, after charging, be convenient to sealing.
Than prior art, the utility model comprises a radiating cylinder 31 and is arranged on the heat-transfer fluid working medium 32 of these radiating cylinder 31 inside.This heat-transfer fluid working medium 32 absorbs heat at radiating cylinder 31 and the contact point of LED light emitting source, is converted to gaseous state, is full of the inside of whole radiating cylinder 31.And on the inwall of this radiating cylinder 31, there is heat exchange with the external world, be again converted to liquid state, thereby formed a cooling recirculation system in the inside of this radiating cylinder 31.Boiling, evaporation and condensation process through heat-transfer fluid working medium 32 transfer to rapidly whole radiating cylinder 31 inner surfaces, have increased substantially heat transfer coefficient, and radiating effect is better.
Further, the utility model has used vapour pressure to be at normal temperatures greater than the heat-transfer fluid working medium 32 of a standard atmospheric pressure, thus in this radiating cylinder 31 without maintaining for a long time vacuum.Even heat-transfer fluid working medium 32 is leaked to some extent also and can again be supplemented by topping up valve 313 after the long period, make this luminaire heat dissipating system more reliable and stable.
The utlity model has various deformation embodiment, such as, bottom that can this radiating cylinder 31 does not arrange groove, and LED light emitting source 4 and the bottom of this radiating cylinder 31 are affixed, and directly heat is transferred to radiating cylinder 31.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or distortion are not departed to spirit and scope of the present utility model, if within these changes and distortion belong to claim of the present utility model and equivalent technologies scope, the utility model is also intended to comprise these changes and distortion.
Claims (9)
1. a LED bulkhead lamp capable, comprises power supply, LED light emitting source and the heat-sink unit contacting with this LED light emitting source; It is characterized in that: described heat-sink unit comprises the radiating cylinder that a hollow is airtight and is arranged on the heat-transfer fluid working medium in this radiating cylinder; This heat-transfer fluid working medium forms gaseous state from the contact point heat absorption of LED light emitting source and radiating cylinder, and there is heat exchange and again form liquid state in inwall and the external world of this radiating cylinder, thus formation one cooling recirculation system.
2. LED bulkhead lamp capable according to claim 1, is characterized in that: the bottom of described radiating cylinder is at least provided with one in order to strengthen the groove of this heat-transfer fluid working medium boiling heat transfer, and the bottom of this groove contacts with LED light emitting source.
3. LED bulkhead lamp capable according to claim 1, is characterized in that: described radiating cylinder is a hollow cylinder shape radiating cylinder; The side of this radiating cylinder is provided with radiating fin.
4. LED bulkhead lamp capable according to claim 1, is characterized in that: the top of described radiating cylinder is provided with one in order to be filled with the topping up valve of heat-transfer fluid working medium to radiating cylinder.
5. LED bulkhead lamp capable according to claim 4, is characterized in that: described topping up valve is check valve.
6. LED bulkhead lamp capable according to claim 1, is characterized in that: described radiating cylinder is 6063 aluminium alloy radiating cylinders.
7. LED bulkhead lamp capable according to claim 1, is characterized in that: also comprise that one for placing the power pack of power supply; This power pack is arranged on the top of this radiating cylinder.
8. LED bulkhead lamp capable according to claim 7, is characterized in that: the top of described power pack is provided with a hook.
9. LED bulkhead lamp capable according to claim 1, is characterized in that: described LED light emitting source is provided with a lampshade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320787850.1U CN203605188U (en) | 2013-12-03 | 2013-12-03 | LED mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320787850.1U CN203605188U (en) | 2013-12-03 | 2013-12-03 | LED mining lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203605188U true CN203605188U (en) | 2014-05-21 |
Family
ID=50717860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320787850.1U Expired - Fee Related CN203605188U (en) | 2013-12-03 | 2013-12-03 | LED mining lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203605188U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644551A (en) * | 2013-12-03 | 2014-03-19 | 广州虎辉照明科技公司 | LED mining lamp |
| CN104501114A (en) * | 2014-12-19 | 2015-04-08 | 立达信绿色照明股份有限公司 | LED lamp heat dissipating structure |
| CN104896330A (en) * | 2015-06-03 | 2015-09-09 | 中国科学院半导体研究所 | Led light source module |
-
2013
- 2013-12-03 CN CN201320787850.1U patent/CN203605188U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644551A (en) * | 2013-12-03 | 2014-03-19 | 广州虎辉照明科技公司 | LED mining lamp |
| CN104501114A (en) * | 2014-12-19 | 2015-04-08 | 立达信绿色照明股份有限公司 | LED lamp heat dissipating structure |
| CN104501114B (en) * | 2014-12-19 | 2022-12-23 | 漳州立达信光电子科技有限公司 | Heat dissipation structure of LED lamp |
| CN104896330A (en) * | 2015-06-03 | 2015-09-09 | 中国科学院半导体研究所 | Led light source module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |