CN103822105A - Lamp - Google Patents
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- CN103822105A CN103822105A CN201210465766.8A CN201210465766A CN103822105A CN 103822105 A CN103822105 A CN 103822105A CN 201210465766 A CN201210465766 A CN 201210465766A CN 103822105 A CN103822105 A CN 103822105A
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- cylindrical shell
- openend
- light fixture
- fixed
- circuit board
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Abstract
A lamp comprises a housing in a tubular structure, a circuit board, a light source, a thermoelectric sensing sheet, and a fan; a partition disposed in the middle of the housing divides a cavity of the housing into a light source cavity and an electric cavity; the circuit board is fixed to the surface, close to the light source cavity, of the partition and is close to the partition; the light source is fixed to the circuit board and electrically connected with the circuit board, the circuit board is used for controlling operating states of the light source; the thermoelectric sensing sheet is fixed to the surface, close to the electric cavity, of the partition and is close to the partition; the thermoelectric sensing sheet is made of thermoelectric material and used for converting heat energy into electric energy; the fan is fixed within the electric cavity and electrically connected with the thermoelectric sensing sheet. The heat generated by the light source and circuit board is conducted to the thermoelectric sensing sheet through the partition; after the thermoelectric sensing sheet absorbs the heat, temperature difference occurs, and the heat energy is converted into electric energy to power the fan accordingly. The lamp allows heat energy to be effectively utilized and is energy saving and environment friendly; better radiating effect is imparted to the lamp.
Description
[technical field]
The present invention relates to a kind of special lighting light fixture, particularly relate to a kind of light fixture that utilizes the heat radiation of semiconductor chip generating drive fan.
[background technology]
In light fixture, traditional radiating mode is by housing contact heating position, and heat is passed, and its efficiency is lower, and non-uniform temperature.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of light fixture, can effectively utilize heat energy, save energy consumption, and can make light fixture obtain radiating effect better.
A kind of light fixture, comprising:
Housing, is tube structure, and the middle part of described housing is provided with dividing plate, and the cavity of described housing is divided into light-source chamber and electric chamber by described dividing plate;
Circuit board, is fixed on the surface of described dividing plate near described light-source chamber, and is close to described dividing plate setting;
Light source, is fixed on described circuit board, and is electrically connected with described circuit board, and described circuit board is for controlling the duty of described light source;
Thermoelectricity sensing chip, is fixed on the surface of described dividing plate near described electric chamber, and is close to described dividing plate setting, and described thermoelectricity sensing chip is made up of thermoelectric material, for being electric energy by thermal power transfer; And
Fan, is fixed in described electric chamber, and described fan is electrically connected with described thermoelectricity sensing chip;
Wherein, the heat that described light source and described circuit board produce conducts to described thermoelectricity sensing chip by described dividing plate, described thermoelectricity sensing chip produces the temperature difference after absorbing heat, thereby be electric energy by thermal power transfer, give described fan power supply, described fan is started working, and the electronic component in described electric chamber is dispelled the heat.
The caloric value that thermoelectricity sensing chip is fixed on light fixture by above-mentioned light fixture is compared with large part, light fixture is conducted and is transferred heat to thermoelectricity sensing chip by heat, thermoelectricity sensing chip obtains heat energy, after producing the temperature difference, be converted into electric energy, electric energy passes to fan by wire, to fan power supply, fan further dispels the heat to light fixture.Therefore, above-mentioned light fixture can effectively utilize heat energy, energy-conserving and environment-protective, and can make light fixture obtain radiating effect better.
Therein in an embodiment, the both ends open of described housing, and the second cylindrical shell that comprises the first cylindrical shell and be connected with described the first cylindrical shell, the size of described the second cylindrical shell is greater than the size of described the first cylindrical shell, so that the junction of described the second cylindrical shell and described the first cylindrical shell forms stage portion; Described dividing plate is located at the junction of described the second cylindrical shell and described the first cylindrical shell.
In an embodiment, also comprise back cover therein, described back cover is fixed on the openend of described the first cylindrical shell, and seals the openend of described the first cylindrical shell.
Therein in an embodiment, described back cover comprise substrate and be located on a side of described substrate and with described substrate annular flange flange connected vertically, the size of described annular flange flange equals the size of the openend of described the first cylindrical shell, described annular flange flange is contained in the openend of described the first cylindrical shell, described substrate is stopped by the openend of described the first cylindrical shell, and the openend of described the first cylindrical shell is hidden completely by described substrate.
Therein in an embodiment, the lateral wall of described the first cylindrical shell is provided with the fixed leg with screw, described fixed leg extends axially along described the first cylindrical shell, the periphery of described substrate is provided with lug, threaded fastener through after described lug with the screwhole spiro bonding of described fixed leg, thereby described back cover is fixed on described housing.
Therein in an embodiment, on the lateral wall of described the first cylindrical shell and described the second cylindrical shell, be equipped with multiple spaced radiating fins, described radiating fin is along the axial setting of described the first cylindrical shell and described the second cylindrical shell, and the radiating fin of the radiating fin of described the first cylindrical shell and described the second cylindrical shell is crisscross arranged.
In an embodiment, also comprise protecgulum therein, described protecgulum is fixed on the openend of described the second cylindrical shell, and the middle part of described protecgulum is provided with light-emitting window.
In an embodiment, also comprise Transparent Parts therein, described Transparent Parts seals the openend of described the second cylindrical shell, and described Transparent Parts is connected between the end face of openend of described protecgulum and described the second cylindrical shell.
Therein in an embodiment, also comprise reflector, described reflector comprises osculum end and the big opening end relative with described osculum end, the outer peripheral edges of described big opening end are provided with around described big opening end one week, ringwise butt flange, described butt flange is clamped between the end face and described Transparent Parts of openend of described the second cylindrical shell, and described light source is contained in described osculum end.
In an embodiment, also comprise sealing ring therein, the cross section of described sealing ring is U-shaped, and described butt flange is coated in described sealing ring, and described sealing ring is directly connected between the end face and described Transparent Parts of openend of described the second cylindrical shell.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the light fixture of embodiment of the present invention;
Fig. 2 is the partial sectional view of light fixture shown in Fig. 1;
Fig. 3 is the axial cutaway view of light fixture shown in Fig. 1.
[specific embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, another element such as " be connected to " when element is called as " being fixed on ", it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 to Fig. 3, the light fixture 100 of embodiment of the present invention, comprises housing 110, circuit board 120, light source 130, thermoelectricity sensing chip 140 and fan 150.Housing 110 is mainly used in accommodating and bearer circuit plate 120, light source 130, thermoelectricity sensing chip 140 and fan 150.Circuit board 120 is as the control module of light fixture 100, thermoelectricity sensing chip 140 thermoelectric conversion element the most, and fan 150 is as the heat dissipation element of light fixture 100.
Specifically in the illustrated embodiment, the both ends open of housing 110, and housing 110 the second cylindrical shell 115 of comprising the first cylindrical shell 114 and being connected with the first cylindrical shell 114.The size of the second cylindrical shell 115 is greater than the size of the first cylindrical shell 114, so that the junction of the second cylindrical shell 115 and the first cylindrical shell 114 forms stage portion; Dividing plate 112 is located at the junction of the second cylindrical shell 115 and the first cylindrical shell 114.Because the size of the first cylindrical shell 114 is greater than the size of the first cylindrical shell 114, make the space of light-source chamber 111 of housing 110 larger, the space in electric chamber 113 is less, in the situation that guaranteeing that light-source chamber 111 is enough applicable, effectively saves light fixture 100 and takes up room.And the first cylindrical shell 114, as the stiff end of light fixture 100, is convenient to mounted lamp 100.
It should be noted that, housing 110 is not limited to the first cylindrical shell 114 and the second cylindrical shell 115 that comprise that size is not identical, also can be the structure of other shapes, and for example, housing 110 is single straight-cylindrical structure, forms straight tube lamp.Therefore, the shape of housing 110 can change according to actual conditions.
On the surface of the dividing plate 112 that circuit board 120 is fixed on housing 110 near light-source chamber 111, and be close to dividing plate 112 and arrange.Circuit board 120 is close to dividing plate 112 and is arranged, that is, the surface of the surface of circuit board 120 and dividing plate 112 is directly adjacent to setting, makes maximized contact.Specifically in the illustrated embodiment, circuit board 120 is located at the surperficial middle part of described dividing plate 112, and circuit board 120 is fixed on dividing plate 112 by screw.
Further, light fixture 100 also comprises back cover 160, and back cover 160 is fixed on the openend of the first cylindrical shell 114 of housing 110, and the openend of sealing the first cylindrical shell 114.In the time that the electrical equipment in the light-source chamber 111 of housing 110 breaks down, can overhaul by back cover 160, and without whole housing 110 is opened, maintenance more for convenience.
Specifically in the illustrated embodiment, back cover 160 comprises substrate 161 and annular flange flange 163.Annular flange flange 163 is located on a side of substrate 161, and with substrate 161 annular flange flange 163 connected vertically.The size of annular flange flange 163 equals the size of the openend of the first cylindrical shell 114, annular flange flange 163 is contained in the openend of the first cylindrical shell 114, substrate 161 is stopped by the openend of the first cylindrical shell 114, and the openend of the first cylindrical shell 114 is hidden completely by substrate 161.Because back cover 160 adopts embedded mounting means, its sealing is better, and fixing comparatively firm, difficult drop-off.
For back cover 160 for convenience detach, the lateral wall of the first cylindrical shell 114 of housing 110 is provided with the fixed leg 114a with screw, fixed leg 114a extends axially along the first cylindrical shell 114, the periphery of substrate 161 is provided with lug 161a, threaded fastener through after lug 161a with the screwhole spiro bonding of fixed leg 114a, thereby back cover 160 is fixed on housing 110.Because fixed leg 114a is located on the lateral wall of housing 110, and along the extending axially of the first cylindrical shell 114, thereby play the effect of reinforcement, make the structural strength of housing 110 higher.
For the ease of heat radiation, on the first cylindrical shell 114 of housing 110 and the lateral wall of the second cylindrical shell 115, be equipped with multiple spaced radiating fins 117, radiating fin 117 is along the axial setting of the first cylindrical shell 114 and second cylindrical shell 115 of housing 110, and the radiating fin 117 of the first cylindrical shell 114 of housing 110 is crisscross arranged with the radiating fin 117 of the second cylindrical shell 115 of housing 110.Because the radiating fin 117 of the first cylindrical shell 114 of housing 110 is crisscross arranged with the radiating fin 117 of the second cylindrical shell 115 of housing 110, radiating fin 117 is distributed comparatively even, avoid heat to concentrate, thereby improve the radiating efficiency of light fixture 100.
Further, light fixture 100 also comprises protecgulum 170, and protecgulum 170 is fixed on the openend of the second cylindrical shell 115, and the middle part of protecgulum 170 is provided with light-emitting window.The light that light source 130 in the light-source chamber 111 of housing 110 sends, penetrates by the light-emitting window of protecgulum 170.Specifically in the illustrated embodiment, protecgulum 170 is cylindrical shape, and protecgulum 170 is threaded with the openend of the second cylindrical shell 115 of housing 110.
Further, light fixture 100 also comprises Transparent Parts 180, the openend of the second cylindrical shell 115 of Transparent Parts 180 seal casinghousings 110, and Transparent Parts 180 is connected between the end face of openend of the second cylindrical shell 115 of protecgulum 170 and housing 110.Transparent Parts 180 can be clear glass, transparent plastic sheet etc.
Further, light fixture 100 also comprises reflector 190.Reflector 190 comprises osculum end and the big opening end relative with osculum end.The outer peripheral edges of big opening end are provided with around big opening end one week, ringwise butt flange 191.Butt flange 191 is clamped between the end face and Transparent Parts 180 of openend of the second cylindrical shell 115 of housing 110, and light source 130 is contained in the osculum end of reflector 190.Because adopting butt flange 191, reflector 190 is connected to openend and the Transparent Parts 180 of the second cylindrical shell 115 of housing 110, in the time that needs are changed light source 130, turn on protecgulum 170, just can directly take out Transparent Parts 180 and reflector 190, its convenient disassembly, without by specific purpose tool.
Further, in order to improve the sealing of openend of the second cylindrical shell 115 of housing 110, light fixture 100 also comprises sealing ring 193.The cross section of sealing ring 193 is U-shaped, and the butt flange 191 of reflector 190 is coated in sealing ring 193, and sealing ring 193 is directly connected between the end face and Transparent Parts 180 of openend of the second cylindrical shell 115 of housing 110.
Further, light fixture 100 also comprises Voltage stabilizing module, carries out rectification for the electric energy that thermoelectricity sensing chip 140 is produced, and then powers to fan 150.Or light fixture 100 also comprises rechargeable battery, thermoelectricity sensing chip 140 is electrically connected with rechargeable battery, rechargeable battery powered for giving.Rechargeable battery is electrically connected with circuit board 120, and circuit board 120 is controlled rechargeable battery and powered to fan 150 in needs heat radiation, and drive fan 150 is started working.
The thermoelectricity sensing chip 140 of above-mentioned light fixture 100 can absorb heat, produces the temperature difference, and the temperature difference drives thermoelectricity sensing chip 140 to generate electricity, and heat energy is converted into electric energy, powers to fan 150, and fan 150 is started working, and light fixture 100 is dispelled the heat.
In the time that light fixture 100 is worked, caloric value is larger, conducts radiating efficiency slower by the heat of self, and light fixture 100 is at high temperature worked, and has reduced the service life of light fixture 100.Absorb heat by thermoelectricity sensing chip 140, be converted into electric energy again fan 150 is powered, fan 150 is strengthened radiating effect to light fixture 100, can effectively address these problems, thereby light fixture 100 is worked in good environment, improve the service life of light fixture 100.
The caloric value that thermoelectricity sensing chip 140 is fixed on light fixture 100 by above-mentioned light fixture 100 is compared with large part, light fixture 100 is conducted and is transferred heat to thermoelectricity sensing chip 140 by heat, thermoelectricity sensing chip 140 obtains heat energy, after producing the temperature difference, be converted into electric energy, electric energy passes to fan 150 by wire, and drive fan 150 is rotated and strengthened dispelling the heat.Therefore, above-mentioned light fixture 100 can effectively utilize heat energy, energy-conserving and environment-protective, and can make light fixture 100 obtain radiating effect better.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a light fixture, is characterized in that, comprising:
Housing, is tube structure, and the middle part of described housing is provided with dividing plate, and the cavity of described housing is divided into light-source chamber and electric chamber by described dividing plate;
Circuit board, is fixed on the surface of described dividing plate near described light-source chamber, and is close to described dividing plate setting;
Light source, is fixed on described circuit board, and is electrically connected with described circuit board, and described circuit board is for controlling the duty of described light source;
Thermoelectricity sensing chip, is fixed on the surface of described dividing plate near described electric chamber, and is close to described dividing plate setting, and described thermoelectricity sensing chip is made up of thermoelectric material, for being electric energy by thermal power transfer; And
Fan, is fixed in described electric chamber, and described fan is electrically connected with described thermoelectricity sensing chip;
Wherein, the heat that described light source and described circuit board produce conducts to described thermoelectricity sensing chip by described dividing plate, described thermoelectricity sensing chip produces the temperature difference after absorbing heat, thereby be electric energy by thermal power transfer, give described fan power supply, described fan is started working, and the electronic component in described electric chamber is dispelled the heat.
2. light fixture according to claim 1, it is characterized in that, the both ends open of described housing, and the second cylindrical shell that comprises the first cylindrical shell and be connected with described the first cylindrical shell, the size of described the second cylindrical shell is greater than the size of described the first cylindrical shell, so that the junction of described the second cylindrical shell and described the first cylindrical shell forms stage portion; Described dividing plate is located at the junction of described the second cylindrical shell and described the first cylindrical shell.
3. light fixture according to claim 2, is characterized in that, also comprises back cover, and described back cover is fixed on the openend of described the first cylindrical shell, and seals the openend of described the first cylindrical shell.
4. light fixture according to claim 3, it is characterized in that, described back cover comprise substrate and be located on a side of described substrate and with described substrate annular flange flange connected vertically, the size of described annular flange flange equals the size of the openend of described the first cylindrical shell, described annular flange flange is contained in the openend of described the first cylindrical shell, described substrate is stopped by the openend of described the first cylindrical shell, and the openend of described the first cylindrical shell is hidden completely by described substrate.
5. light fixture according to claim 4, it is characterized in that, the lateral wall of described the first cylindrical shell is provided with the fixed leg with screw, described fixed leg extends axially along described the first cylindrical shell, the periphery of described substrate is provided with lug, threaded fastener through after described lug with the screwhole spiro bonding of described fixed leg, thereby described back cover is fixed on described housing.
6. light fixture according to claim 2, it is characterized in that, on the lateral wall of described the first cylindrical shell and described the second cylindrical shell, be equipped with multiple spaced radiating fins, described radiating fin is along the axial setting of described the first cylindrical shell and described the second cylindrical shell, and the radiating fin of the radiating fin of described the first cylindrical shell and described the second cylindrical shell is crisscross arranged.
7. light fixture according to claim 2, is characterized in that, also comprises protecgulum, and described protecgulum is fixed on the openend of described the second cylindrical shell, and the middle part of described protecgulum is provided with light-emitting window.
8. light fixture according to claim 7, is characterized in that, also comprises Transparent Parts, and described Transparent Parts seals the openend of described the second cylindrical shell, and described Transparent Parts is connected between the end face of openend of described protecgulum and described the second cylindrical shell.
9. light fixture according to claim 8, it is characterized in that, also comprise reflector, described reflector comprises osculum end and the big opening end relative with described osculum end, the outer peripheral edges of described big opening end are provided with around described big opening end one week, ringwise butt flange, described butt flange is clamped between the end face and described Transparent Parts of openend of described the second cylindrical shell, and described light source is contained in described osculum end.
10. light fixture according to claim 9, it is characterized in that, also comprise sealing ring, the cross section of described sealing ring is U-shaped, described butt flange is coated in described sealing ring, and described sealing ring is directly connected between the end face and described Transparent Parts of openend of described the second cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465766.8A CN103822105B (en) | 2012-11-16 | 2012-11-16 | Light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210465766.8A CN103822105B (en) | 2012-11-16 | 2012-11-16 | Light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103822105A true CN103822105A (en) | 2014-05-28 |
| CN103822105B CN103822105B (en) | 2017-09-15 |
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ID=50757306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210465766.8A Active CN103822105B (en) | 2012-11-16 | 2012-11-16 | Light fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103822105B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224898A (en) * | 2016-07-17 | 2016-12-14 | 安徽卓越电气有限公司 | A kind of energy-saving LED Tunnel Lamp |
| CN108132334A (en) * | 2017-12-22 | 2018-06-08 | 阜阳师范学院 | A kind of atmosphere pollution source point monitoring system and outdoor lights based on outdoor lights positioning |
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| CN101225946A (en) * | 2008-01-22 | 2008-07-23 | 西安交通大学 | LED lighting device capable of recovery heat |
| CN101943393A (en) * | 2009-07-03 | 2011-01-12 | 海洋王照明科技股份有限公司 | Sealed lamp |
| CN201875596U (en) * | 2010-11-10 | 2011-06-22 | 孟强 | High-power LED (light-emitting diode) ceiling lamp |
| CN202001966U (en) * | 2010-11-10 | 2011-10-05 | 孟强 | Lamp housing heat radiation integrated LED lamp affixed to the ceiling |
| CN202203703U (en) * | 2011-07-28 | 2012-04-25 | 飞利浦(中国)投资有限公司 | LED (Light-Emitting Diode) down lamp |
| CN102434817A (en) * | 2010-09-29 | 2012-05-02 | 展晶科技(深圳)有限公司 | Backlight module and LED (light emitting diode) module |
| CN202392614U (en) * | 2011-12-21 | 2012-08-22 | 华荣科技股份有限公司 | Tunnel lamp |
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2012
- 2012-11-16 CN CN201210465766.8A patent/CN103822105B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225946A (en) * | 2008-01-22 | 2008-07-23 | 西安交通大学 | LED lighting device capable of recovery heat |
| CN101943393A (en) * | 2009-07-03 | 2011-01-12 | 海洋王照明科技股份有限公司 | Sealed lamp |
| CN102434817A (en) * | 2010-09-29 | 2012-05-02 | 展晶科技(深圳)有限公司 | Backlight module and LED (light emitting diode) module |
| CN201875596U (en) * | 2010-11-10 | 2011-06-22 | 孟强 | High-power LED (light-emitting diode) ceiling lamp |
| CN202001966U (en) * | 2010-11-10 | 2011-10-05 | 孟强 | Lamp housing heat radiation integrated LED lamp affixed to the ceiling |
| CN202203703U (en) * | 2011-07-28 | 2012-04-25 | 飞利浦(中国)投资有限公司 | LED (Light-Emitting Diode) down lamp |
| CN202392614U (en) * | 2011-12-21 | 2012-08-22 | 华荣科技股份有限公司 | Tunnel lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224898A (en) * | 2016-07-17 | 2016-12-14 | 安徽卓越电气有限公司 | A kind of energy-saving LED Tunnel Lamp |
| CN108132334A (en) * | 2017-12-22 | 2018-06-08 | 阜阳师范学院 | A kind of atmosphere pollution source point monitoring system and outdoor lights based on outdoor lights positioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103822105B (en) | 2017-09-15 |
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