CN202708666U - Lamp easy to conduct heat and radiate heat - Google Patents
Lamp easy to conduct heat and radiate heat Download PDFInfo
- Publication number
- CN202708666U CN202708666U CN2012202640282U CN201220264028U CN202708666U CN 202708666 U CN202708666 U CN 202708666U CN 2012202640282 U CN2012202640282 U CN 2012202640282U CN 201220264028 U CN201220264028 U CN 201220264028U CN 202708666 U CN202708666 U CN 202708666U
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- light
- fitting body
- light fitting
- working fluid
- heat
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Abstract
The utility model discloses a lamp easy to conduct heat and radiate heat. The lamp comprises a lamp body and a light-emitting module, wherein a closed cavity is arranged inside the lamp body, capillary structures are arranged on side wall surfaces of the cavity, a working fluid of a liquid phase is injected inside the cavity, the light-emitting module is arranged on the lamp body, high heat generated when the light-emitting module emits light is conducted to the lamp body so that the working fluid of the liquid phase in the cavity is subjected to phase change into a working fluid of a gas phase, and the working fluid rapidly flows and disperses in the cavity, and the capillary structures absorb the working fluid of the gas phase, a condensate phase is changed into a working fluid of the liquid phase, so that the working fluid percolates back, the high heat generated by the light-emitting module is uniformly conducted to the lamp body for carrying out heat conduction and heat radiation of the light-emitting module, therefore, by using the heat conduction and heat radiation mode of liquid and gas phase circular phase change of the working fluid, the high heat generated by the light-emitting module is uniformly conducted to all parts of the lamp body, and can be radiated rapidly by all parts of the lamp body, and further the practical benefit of greatly improving heat radiation effect and service life is achieved.
Description
Technical field
The utility model relates to a kind of bulb, be particularly related to a kind of heat conduction and radiating mode that utilizes workflow body fluid, gas phase circulating phase-change, so that the high heat that light emitting module produces evenly conducts to each one of light fitting body, can be dispelled the heat rapidly by each one of light fitting body, with the light fixture that is easy to heat conduction and heat radiation in improving radiating effect and service life significantly.
Background technology
The LED bulb has the low characteristic that reaches long service life of power consumption, and under the prerequisite of environmental protection and energy saving, no matter is public illumination or domestic lighting, the trend of existing gradually general incandescent lamp bulb or Electricity-saving lamp bulb; Yet the LED bulb because the luminous point of LED element zone can form the focus (Hot Spot) of high temperature, if can't effectively dispel the heat to the LED element, will directly affect effective utilization and the life-span of LED bulb when using.
Seeing also shown in Figure 1ly, is existing LED bulb 10 in the streets, and it mainly comprises bulb body 11, has the substrate 12 of a plurality of LED elements 121, driver module 13 and power connection 14; This bulb body 11 is hollow form, and Yu Yiduan is provided with placing part 111, the substrate 12 that has a plurality of LED elements 121 for installing, the inside installing of this bulb body 11 and this substrate 12 are made the driver module 13 of electric connection, and be provided with this driver module 13 in the other end and make the power connection 14 that is electrically connected, for connecting power supply, and carry out transformation, voltage stabilizing and the AC DC electric conversion of electric power with driver module 13, with the LED element 121 that drives substrate 12 illumination that emits beam; In addition since the LED element 121 of this substrate 12 when luminous, namely so that an end of bulb body 11 produces high heat, for making its radiating and cooling, generally the external rings in bulb body 11 is provided with radiating fin 112, to increase bulb body 11 radiating effects; Yet this LED bulb 10 still has following deficiency on using:
When the LED of substrate 12 element 121 emits beam, its high heat that produces concentrates on placing part 111 1 ends of bulb body 11 mostly, and rely on radiating fin 112 to dispel the heat, only there is the heat of small part to conduct to its elsewhere via bulb body 11 and dispels the heat, and can't effectively dispel the heat.
When the LED of substrate 12 element 121 emitted beam, placing part 111 1 ends that its high heat that produces concentrates on bulb body 11 mostly dispelled the heat, and can't dispel the heat efficiently and effectively, and then affect effective utilization and the life-span of LED element 121.
In view of this, the utility model designer then is engaged in research and development and the making experience of relevant industries for many years with it, for the present problem further investigation that faces, through the research of long-term endeavour with study, eventually grind and create a kind of light fixture that is easy to heat conduction and heat radiation, and to improve the scarce fraud of habit formula, this is design aim of the present utility model.
The utility model content
For the deficiencies in the prior art, the purpose of this utility model is: a kind of light fixture that is easy to heat conduction and heat radiation is provided, and the radiating effect that solves the existing structure existence is poor, causes low problem in service life.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of light fixture that is easy to heat conduction and heat radiation is characterized in that, comprising:
Light fitting body, section is provided with airtight chamber within it, and each side wall surface of this chamber is provided with capillary structure, and injects the working fluid of liquid phase in chamber interior;
Light emitting module is installed on the light fitting body, for the driving illumination that emits beam.
This light fitting body is hollow form.
The first end of this light fitting body is provided with holder, and is provided with the pipe fitting that is communicated with first end and the second end in the inside of light fitting body.
This light emitting module is provided with the circuit substrate with LED element at the holder of light fitting body, and in the pipe fitting of light fitting body, be provided with the driver element of doing electric connection with the LED element of circuit substrate, and be provided with this driver element at the second end of light fitting body and make the power connection that is electrically connected, for connecting power supply, and carry out transformation, voltage stabilizing and the AC DC electric conversion of electric power by this driver element, with the illumination that emits beam of the LED element of drive circuit substrate.
The chamber first end of this light fitting body is opening, and seals the chamber opening of light fitting body with the circuit substrate of light emitting module; The chamber first end of the first end of this light fitting body and this light fitting body is all depended on an end of nearly this light emitting module.
The holder of this light fitting body is provided with the lampshade with light transmission, for covering circuit substrate.
This capillary structure pastes the endosexine that makes or make with sintered powder material with braided material in each side wall surface of chamber of light fitting body.
The working fluid of the liquid phase of this light fitting body is water or alcohol.
The outside circular row of this light fitting body is laid with the radiating fin that is hollow form, and the inner space of this radiating fin is connected with this chamber, and is provided with capillary structure in the inner surface of this radiating fin.
The chamber of this light fitting body is negative pressure state.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:
Of the present utility modelly provide a kind of light fixture that is easy to heat conduction and heat radiation, utilize heat conduction and the radiating mode of workflow body fluid, gas phase circulating phase-change, so that the high heat that light emitting module produces evenly conducts to each one of light fitting body, can be dispelled the heat rapidly by each one of light fitting body, and then improving radiating effect significantly.
The utility model provides a kind of light fixture that is easy to heat conduction and heat radiation, it utilizes heat conduction and the radiating mode of workflow body fluid, gas phase circulating phase-change, so that the high heat that light emitting module produces evenly conducts to each one of light fitting body, can be dispelled the heat rapidly by each one of light fitting body, make light emitting module can be maintained at normal working temperature, and then significantly promote effective utilization and life-span.
The utility model provides a kind of light fixture that is easy to heat conduction and heat radiation, it is with the capillarity of capillary structure, it is mobile that working fluid is back permeated, and when putting arbitrarily the light angle of light fixture, it is mobile to guarantee that this working fluid back permeates, and utilizes heat conduction and the radiating mode of workflow body fluid, gas phase circulating phase-change, so that the high heat that light emitting module produces evenly conducts to each one of light fitting body, can be dispelled the heat rapidly by each one of light fitting body, and promote ease of use.
Description of drawings
Fig. 1 is the structural representation of existing LED bulb;
Fig. 2 is decomposing schematic representation of the present utility model;
Fig. 3 is combination schematic appearance of the present utility model;
Fig. 4 is combination generalized section of the present utility model;
Schematic diagram when Fig. 5 is the utility model use.
Description of reference numerals:
Prior art part: 10-LED bulb; 11 bulb bodies; 111 placing parts; 112 radiating fins; 12 substrates; The 121-LED element; 13 driver modules; 14 power connections;
The utility model part: 20 light fitting bodies; 201 holders; 202 pipe fittings; 203 chambers; 204 radiating fins; 21 capillary structures; 30 light emitting modules; 31 circuit substrates; The 311-LED element; 32 driver elements; 33 power connections; 34 lampshades.
The specific embodiment
Understand in depth for your juror is had further the utility model, hereby enumerate a preferred embodiment, and cooperate graphic explanation as after:
See also Fig. 2, Fig. 3, shown in Figure 4, the utility model light fixture includes light fitting body 20 and light emitting module 30; This light fitting body 20 is hollow form, and the first end of this light fitting body 20 is provided with holder 201, and is provided with the pipe fitting 202 that is communicated with first and second end in the inside of light fitting body 20, and is provided with chamber 203 at all side rings of this pipe fitting 202; In the present embodiment, the first end of this chamber 203 is openings, is provided with capillary structure 21 for each side wall surface in this chamber 203, and injects the working fluid of liquid phase in inside; Wherein, this capillary structure 21 pastes the endosexine that makes with the braided material such as adhesive-bonded fabric or sintered powder material in each side wall surface of chamber 203, for the absorption working fluid, the working fluid of this liquid phase then can be the liquid such as water or alcohol, becomes mutually the working fluid of gas phase for being heated; The outside circular row of this light fitting body 20 is laid with a plurality of radiating fins 204 in addition, dispels the heat in order to light fitting body 20; In present embodiment, this radiating fin 204 is hollow form, and the inner space of this radiating fin 204 also is connected with chamber 203, and be provided with capillary structure 21 in inner surface; This light emitting module 30 is installed on the light fitting body 20 in addition, this light emitting module 30 is provided with the circuit substrate 31 with a plurality of LED elements 311 in the holder 201 of light fitting body 20, and in the pipe fitting 202 of light fitting body 20, be provided with the driver element 32 of doing electric connection with the LED element 311 of circuit substrate 31, and be provided with this driver element 32 at the second end of light fitting body 20 and make the power connection 33 that is electrically connected, for connecting power supply, and carried out the transformation of electric power by driver element 32, voltage stabilizing and friendship, direct current conversion is with the illumination that emits beam of the LED element 311 of drive circuit substrate 31; In the present embodiment, this circuit substrate 31 is made with the metal material of tool thermal conductivity, and with chamber 203 openings of this circuit substrate 31 sealing light fitting bodies 20, and chamber 203 is vacuumized operation, make the chamber 203 of light fitting body 20 be negative pressure state, make the working fluid of liquid phase can be easy to become mutually the working fluid of gas phase; The holder 201 of this light fitting body 20 is provided with the lampshade 34 of tool light transmission again, for covering circuit substrate 31.
See also shown in Figure 5, the utility model in use, its power connection 33 with light emitting module 30 connects power supplys, and carried out transformation, voltage stabilizing and the AC DC electric conversion of electric power by driver module 32 after, with the illumination that emits beam of the LED element 311 of drive circuit substrate 31; When the LED of circuit substrate 31 element 311 illumination that emits beam, the high heat that this LED element 311 produces namely conducts to the first end of light fitting body 20 via circuit substrate 31, and being heated, the liquid phase working fluid that is adsorbed in capillary structure 21 first end places begins to become mutually the working fluid of gas phase, and in the chamber 203 interior rapid diffuses flow of light fitting body 20, when the working fluid diffuses flow of this gas phase during to chamber 203 second end of light fitting body 20, namely the capillary structure 21 with chamber 203 second end places adsorbs the working fluid of gas phases, and the working fluid condensation phase change that makes gas phase is the working fluid of liquid phase, the working fluid of this liquid phase relies on the capillarity of capillary structure 21 to flow toward the first end infiltration again, and utilize the liquid of working fluid, the mode of gas phase circulating phase-change, the high heat that the LED element 311 of circuit substrate 31 is produced evenly conducts to light fitting body 20 each one, can be dispelled the heat rapidly by light fitting body 20 each one, and then reach significantly improving radiating effect and the Practical Benefit in service life; When connecting the power supply use owing to light fixture in addition, the angle of putting of this light fixture might not, namely this light emitting module 30 can be positioned at light fitting body 20 tops, or light emitting module 30 can be positioned at light fitting body 20 belows, or other oblique illumination angles, and no matter this light fixture with which kind of light angle is put, the chamber 203 of this light fitting body 20 is with the working fluid of capillary structure 21 absorption gas phases, and the working fluid condensation phase change that makes gas phase is the working fluid of liquid phase, and utilize the capillarity of capillary structure 21, the working fluid of liquid phase is flowed toward the first end infiltration, therefore, when putting arbitrarily the light angle of light fixture, it is mobile to guarantee that this working fluid back permeates, and utilizes workflow body fluid, the heat conduction of gas phase circulating phase-change and radiating mode are so that the high heat that the LED element 311 of circuit substrate 31 produces evenly conducts to each one of light fitting body, can be dispelled the heat rapidly by light fitting body 20 each one, and reach the practical purpose that promotes ease of use.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (10)
1. a light fixture that is easy to heat conduction and heat radiation is characterized in that, comprising:
Light fitting body, section is provided with airtight chamber within it, and each side wall surface of this chamber is provided with capillary structure, and injects the working fluid of liquid phase in chamber interior;
Light emitting module is installed on the light fitting body, for the driving illumination that emits beam.
2. the light fixture that is easy to heat conduction and heat radiation according to claim 1, it is characterized in that: this light fitting body is hollow form.
3. the light fixture that is easy to heat conduction and heat radiation according to claim 1, it is characterized in that: the first end of this light fitting body is provided with holder, and is provided with the pipe fitting that is communicated with first end and the second end in the inside of light fitting body.
4. the light fixture that is easy to heat conduction and heat radiation according to claim 3, it is characterized in that: this light emitting module is provided with the circuit substrate with LED element at the holder of light fitting body, and in the pipe fitting of light fitting body, be provided with the driver element of doing electric connection with the LED element of circuit substrate, and be provided with this driver element at the second end of light fitting body and make the power connection that is electrically connected, for connecting power supply, and carry out transformation, voltage stabilizing and the AC DC electric conversion of electric power by this driver element, with the illumination that emits beam of the LED element of drive circuit substrate.
5. the light fixture that is easy to heat conduction and heat radiation according to claim 4, it is characterized in that: the chamber first end of this light fitting body is opening, and with the chamber opening of the circuit substrate sealing light fitting body of light emitting module; The chamber first end of the first end of this light fitting body and this light fitting body is all depended on an end of nearly this light emitting module.
6. the light fixture that is easy to heat conduction and heat radiation according to claim 4, it is characterized in that: the holder of this light fitting body is provided with the lampshade with light transmission, for covering circuit substrate.
7. the light fixture that is easy to heat conduction and heat radiation according to claim 1 is characterized in that: this capillary structure pastes the endosexine that makes or make with sintered powder material with braided material in each side wall surface of chamber of light fitting body.
8. the light fixture that is easy to heat conduction and heat radiation according to claim 1, it is characterized in that: the working fluid of the liquid phase of this light fitting body is water or alcohol.
9. the light fixture that is easy to heat conduction and heat radiation according to claim 1, it is characterized in that: the outside circular row of this light fitting body is laid with the radiating fin that is hollow form, the inner space of this radiating fin is connected with this chamber, and is provided with capillary structure in the inner surface of this radiating fin.
10. the light fixture that is easy to heat conduction and heat radiation according to claim 1, it is characterized in that: the chamber of this light fitting body is negative pressure state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202640282U CN202708666U (en) | 2012-06-05 | 2012-06-05 | Lamp easy to conduct heat and radiate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202640282U CN202708666U (en) | 2012-06-05 | 2012-06-05 | Lamp easy to conduct heat and radiate heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708666U true CN202708666U (en) | 2013-01-30 |
Family
ID=47588967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202640282U Expired - Fee Related CN202708666U (en) | 2012-06-05 | 2012-06-05 | Lamp easy to conduct heat and radiate heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708666U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167776A (en) * | 2017-11-27 | 2018-06-15 | 安徽西马新能源技术有限公司 | A kind of cooling type LED component |
| CN108980698A (en) * | 2018-08-09 | 2018-12-11 | 闽南师范大学 | A kind of LED lamp with radiator structure |
| CN111306521A (en) * | 2020-02-26 | 2020-06-19 | 广东工业大学 | Three-dimensional heat pipe heat dissipation device |
-
2012
- 2012-06-05 CN CN2012202640282U patent/CN202708666U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167776A (en) * | 2017-11-27 | 2018-06-15 | 安徽西马新能源技术有限公司 | A kind of cooling type LED component |
| CN108980698A (en) * | 2018-08-09 | 2018-12-11 | 闽南师范大学 | A kind of LED lamp with radiator structure |
| CN111306521A (en) * | 2020-02-26 | 2020-06-19 | 广东工业大学 | Three-dimensional heat pipe heat dissipation device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20170605 |