CN105276548A - Light fixture, and ejector used for heat radiation thereof - Google Patents
Light fixture, and ejector used for heat radiation thereof Download PDFInfo
- Publication number
- CN105276548A CN105276548A CN201410289523.2A CN201410289523A CN105276548A CN 105276548 A CN105276548 A CN 105276548A CN 201410289523 A CN201410289523 A CN 201410289523A CN 105276548 A CN105276548 A CN 105276548A
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- CN
- China
- Prior art keywords
- light fixture
- heat transmission
- masking material
- fixture heat
- transmission ejector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title abstract description 6
- 230000000873 masking effect Effects 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 52
- 230000005540 biological transmission Effects 0.000 claims description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to an ejector used for heat radiation of a light fixture. The ejector comprises a cavity and a drive device. The cavity is provided with a jet channel which communicates the internal space of the cavity with the external space. The drive device drives at least a part of wall surface of the cavity to do reciprocating motion, so as to form airflow flowing through the jet channel. The ejector used for heat radiation of a light fixture can generate airflow. The airflow is sprayed on the light fixture, and can improve heat radiation efficiency of the light fixture. The invention also provides the light fixture including the ejector used for heat radiation.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of light fixture.
Background technology
The LED lamp that market is sold comprises the shell, LED light source, substrate, reflector and the diffuser plate that are made of metal.LED light source is welded on substrate, is powered to LED light source by substrate.Substrate is fixed on shell by screw lock.The heat that the LED light source of this Down lamp distributes in the course of the work is delivered to shell by substrate and dispels the heat.This light fixture adopts the mode of Natural Heat Convection to dispel the heat, and heat radiation is comparatively slow, especially when the power of LED light source is larger, can not meet radiating requirements well.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light fixture heat transmission ejector.
In order to solve above technical problem, light fixture heat transmission ejector of the present invention, comprise cavity and drive unit, described cavity is provided with and is communicated with the inner space of described cavity and the fluidic channel of space outerpace, and described drive unit drives at least part of wall of described cavity reciprocating to form the air-flow flowing through described fluidic channel.
Preferably, described drive unit comprises electromagnet and spring, described light fixture heat transmission ejector also comprises elastomeric element and masking material, described elastomeric element comprises passage and surrounds the elastic wall of described passage, described electromagnet and described masking material are arranged at the two ends of described passage respectively to form described cavity, and described drive unit drives described masking material reciprocating to form the air-flow flowing through described fluidic channel.
Preferably, during energising, masking material described in described solenoid actuated moves towards the direction making described cavity compress and makes the elastic force that described spring deposit drives described masking material to reset, and when described electromagnet power-off, masking material described in described Spring driving resets.
Preferably, described fluidic channel is arranged at described masking material.
Preferably, described elastomeric element is flexible silicon cushion rubber or elastic rubber ring.
Preferably, described masking material is made up of soft magnetic material.
Preferably, described masking material is fabricated from iron.
Preferably, described masking material in the form of sheets.
Preferably, described electromagnet is SMD electromagnet.
Preferably, described masking material is connected with described spring.
Preferably, described light fixture heat transmission ejector also comprises periodically to the power supply that described electromagnet is powered.
Preferably, described masking material is reciprocating relative to described electromagnet.
Light fixture heat transmission ejector of the present invention operationally can continue to produce air-flow, and this jet-impingement, on light fixture, may be used for the radiating efficiency improving light fixture.
The present invention also provides a kind of light fixture, comprises radiator, and described light fixture also comprises the light fixture heat transmission ejector described in aforementioned any one, radiator described in the air-flow directive of described light fixture heat transmission ejector.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of a kind of embodiment of light fixture heat transmission ejector of the present invention;
Fig. 2 is the explosive view of the light fixture heat transmission ejector in Fig. 1;
Fig. 3 is the sectional view of the light fixture heat transmission ejector in Fig. 1;
Fig. 4 is the schematic diagram of elastomeric element.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 4, an embodiment of light fixture heat transmission ejector of the present invention is described in detail.The light fixture heat transmission ejector of the present embodiment comprises cavity and drive unit, described cavity is provided with and is communicated with the inner space of described cavity and the fluidic channel of space outerpace, described drive unit drives at least part of wall of described cavity reciprocating to form the high velocity air flowing through described fluidic channel, this jet-impingement, on light fixture, may be used for the radiating efficiency improving light fixture.In the present embodiment, described light fixture heat transmission ejector comprises electromagnet 1, elastomeric element 2, masking material 3 and spring 5.Described electromagnet 1 and described spring 5 form the drive unit of the light fixture heat transmission ejector of the present embodiment, in the present embodiment, described electromagnet 1 selects the SMD electromagnet existed in prior art, its concrete specifications parameter is selected as required, its operation principle is the common practise of this area, is not repeated herein.Described elastomeric element 2 comprises passage 21 and surrounds the elastic wall 22 of described passage 21, described electromagnet 1 and described masking material 3 are arranged at the two ends of described passage 21 respectively to form described cavity, particularly, the end face 11 of described electromagnet 1 hides one of them port of the passage 21 of described elastomeric element 2, described masking material 3 hides another port of described passage 21, like this, described electromagnet 1, elastomeric element 2 and masking material 3 just define the inner space 100 of described cavity.Described fluidic channel 31 is arranged on described masking material 3, and in the present embodiment, described fluidic channel 31 is 4 deep-slotted chip breakers running through described masking material 3.Described drive unit drives described masking material 3 reciprocating to form the high velocity air flowing through described fluidic channel 31 along the axis of described light fixture heat transmission ejector.Like this, in the present embodiment, described masking material 3 is the wall moved reciprocatingly relative to described electromagnet 1, particularly, when described electromagnet 1 is energized, described masking material 3 moves inner space 100 is diminished along direction straight down in Fig. 3, thus injection high velocity air, and Compress Spring 5 makes it lay in elastic force; When described electromagnet 1 power-off, described spring 5 drives described masking material 3 to move to reset along direction straight up in Fig. 3.It should be noted that, the vertical centerline direction of light fixture heat transmission ejector as shown in Figure 3 is the axis of described light fixture heat transmission ejector.During energising, described electromagnet 1 drives described masking material 3 to move towards the direction making described cavity compress and makes described spring 5 lay in the elastic force driving described masking material 3 to reset, and when described electromagnet 1 power-off, described spring 5 drives described masking material 3 to reset.Described elastomeric element 2 is flexible silicon cushion rubber.Described masking material 3 is made up of soft magnetic material.In the present embodiment, described masking material 3 is fabricated from iron.Like this, the magnetic force produced when described electromagnet 1 is energized can attract described masking material 3 towards the direction motion making described cavity compress, and Compress Spring 5 lays in make described spring 5 elastic force driving described masking material 3 to reset; When described electromagnet 1 power-off, the elastic force of described spring 5 orders about described masking material 3 and resets.Described masking material 3 in the form of sheets.In the present embodiment, described masking material 3 is welded together with described spring 5, and particularly, one end of described spring 5 is welded to the middle part on the surface towards described electromagnet 1 of described masking material 3.In the present embodiment, described electromagnet 1 is welded together with described spring 5, and particularly, the other end of described spring 5 is welded to the middle part of the end face 11 towards described masking material 3 of described electromagnet 1.Wherein one end of described elastomeric element 2 is connected by the end face 11 of gluing mode with described electromagnet 1; The other end of described elastomeric element 2 is connected with the surface towards described electromagnet 1 of described masking material 3 by gluing mode.Described light fixture heat transmission ejector also comprises periodically to the power supply that described electromagnet is powered, and its power-on time and power-off time set according to actual needs.
The operation principle of the light fixture heat transmission ejector of the present embodiment is such: when described power supply powers to described electromagnet 1, it produces magnetic force and attracts described masking material 3 to move to compress described cavity thus form the air-flow flowing through described fluidic channel 31, described in this process also there is elastic deformation in elastomeric element 3, and make described spring 5 compress deposit elastic force; When described electromagnet 1 power-off, described spring 5 drives described masking material 3 to reset; So move in circles, flow through the high velocity air of described fluidic channel 31 with lasting generation.
As the simple deformation of the present embodiment, described masking material 3 can be connected by alternate manner with described spring 5, such as, described masking material 3 arranges the hook part of ring-type, wherein one end of described spring 5 is caught on described hook part thus is realized the connection of masking material 3 and described spring 5.
As the simple deformation of the present embodiment, described electromagnet 1 can be connected by alternate manner with described spring 5, such as, described electromagnet 1 arranges the hook part of ring-type, one end of described spring 5 is caught on described hook part thus is realized the connection of electromagnet 1 and described spring 5.
As the simple deformation of the present embodiment, described elastomeric element 2 also can be connected with electromagnet 1 and masking material 3 by alternate manner, such as, by the mode of welding.
As the simple deformation of this enforcement, described elastomeric element 2 also can be elastic rubber ring.
Light fixture heat transmission ejector of the present invention operationally can continue to produce air-flow, and this air-flow blows on light fixture, may be used for the radiating efficiency improving light fixture.
The present invention also provides a kind of light fixture, comprises radiator, and described light fixture also comprises the light fixture heat transmission ejector described in aforementioned any one, radiator described in the air-flow directive of described light fixture heat transmission ejector, thus improves the radiating efficiency of radiator.
As described above, be only preferred embodiment of the present invention, is not used for limiting practical range of the present invention, and namely all equalizations done according to the present invention change and modify, and are all the claims in the present invention scope and contain, illustrate no longer one by one here.
Claims (12)
1. a light fixture heat transmission ejector, comprise cavity and drive unit, described cavity is provided with and is communicated with the inner space of described cavity and the fluidic channel of space outerpace, and described drive unit drives at least part of wall of described cavity reciprocating to form the air-flow flowing through described fluidic channel.
2. light fixture heat transmission ejector according to claim 1, it is characterized in that, described drive unit comprises electromagnet and spring, described light fixture heat transmission ejector also comprises elastomeric element and masking material, described elastomeric element comprises passage and surrounds the elastic wall of described passage, described electromagnet and described masking material are arranged at the two ends of described passage respectively to form described cavity, and described drive unit drives described masking material reciprocating to form the air-flow flowing through described fluidic channel.
3. light fixture heat transmission ejector according to claim 2, it is characterized in that, during energising, masking material described in described solenoid actuated moves towards the direction making described cavity compress and makes the elastic force that described spring deposit drives described masking material to reset, and when described electromagnet power-off, masking material described in described Spring driving resets.
4. light fixture heat transmission ejector according to claim 2, it is characterized in that, described fluidic channel is arranged at described masking material.
5. light fixture heat transmission ejector according to claim 2, is characterized in that, described elastomeric element is flexible silicon cushion rubber or elastic rubber ring.
6. light fixture heat transmission ejector according to claim 2, it is characterized in that, described masking material is made up of soft magnetic material.
7. light fixture heat transmission ejector according to claim 6, it is characterized in that, described masking material is fabricated from iron.
8. light fixture heat transmission ejector according to claim 2, it is characterized in that, described masking material in the form of sheets.
9. light fixture heat transmission ejector according to claim 2, is characterized in that, described electromagnet is SMD electromagnet.
10. light fixture heat transmission ejector according to claim 2, is characterized in that, described light fixture heat transmission ejector also comprises periodically to the power supply that described electromagnet is powered.
11. light fixture heat transmission ejectors according to claim 3, it is characterized in that, described masking material is reciprocating relative to described electromagnet.
12. 1 kinds of light fixtures, comprise radiator, and described light fixture also comprises the light fixture heat transmission ejector in claim 1-11 described in any one, radiator described in the air-flow directive of described light fixture heat transmission ejector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289523.2A CN105276548A (en) | 2014-06-26 | 2014-06-26 | Light fixture, and ejector used for heat radiation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289523.2A CN105276548A (en) | 2014-06-26 | 2014-06-26 | Light fixture, and ejector used for heat radiation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105276548A true CN105276548A (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410289523.2A Pending CN105276548A (en) | 2014-06-26 | 2014-06-26 | Light fixture, and ejector used for heat radiation thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105276548A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202521568U (en) * | 2011-12-20 | 2012-11-07 | 西安大昱光电科技有限公司 | Synthetic jet-type active cooling device |
| CN202598459U (en) * | 2011-12-20 | 2012-12-12 | 西安大昱光电科技有限公司 | Active radiating type light emitting diode (LED) lamp |
| CN103162279A (en) * | 2011-12-19 | 2013-06-19 | 陕西银星科技有限公司 | Light-emitting diode (LED) road lamp heat dissipater with synthetic jet |
| CN103175181A (en) * | 2011-12-20 | 2013-06-26 | 西安大昱光电科技有限公司 | Synthetic jet type active radiator |
| US20130286666A1 (en) * | 2010-12-20 | 2013-10-31 | Tridonic Jennersdorf Gmbh | Cooling System and Method for Electronic Components |
| CN203628336U (en) * | 2013-11-21 | 2014-06-04 | 西安嘉乐世纪机电科技有限公司 | Self-cooling integrated LED lamp |
| CN203628587U (en) * | 2013-11-21 | 2014-06-04 | 西安嘉乐世纪机电科技有限公司 | Double-radiating structure based on synthetic jet device and radiator |
| CN103836593A (en) * | 2012-11-26 | 2014-06-04 | 西安博昱新能源有限公司 | Heat dissipating system of LED street lamp |
| CN203927844U (en) * | 2014-06-26 | 2014-11-05 | 欧普照明股份有限公司 | A kind of light fixture and heat transmission ejector thereof |
-
2014
- 2014-06-26 CN CN201410289523.2A patent/CN105276548A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130286666A1 (en) * | 2010-12-20 | 2013-10-31 | Tridonic Jennersdorf Gmbh | Cooling System and Method for Electronic Components |
| CN103162279A (en) * | 2011-12-19 | 2013-06-19 | 陕西银星科技有限公司 | Light-emitting diode (LED) road lamp heat dissipater with synthetic jet |
| CN202521568U (en) * | 2011-12-20 | 2012-11-07 | 西安大昱光电科技有限公司 | Synthetic jet-type active cooling device |
| CN202598459U (en) * | 2011-12-20 | 2012-12-12 | 西安大昱光电科技有限公司 | Active radiating type light emitting diode (LED) lamp |
| CN103175181A (en) * | 2011-12-20 | 2013-06-26 | 西安大昱光电科技有限公司 | Synthetic jet type active radiator |
| CN103836593A (en) * | 2012-11-26 | 2014-06-04 | 西安博昱新能源有限公司 | Heat dissipating system of LED street lamp |
| CN203628336U (en) * | 2013-11-21 | 2014-06-04 | 西安嘉乐世纪机电科技有限公司 | Self-cooling integrated LED lamp |
| CN203628587U (en) * | 2013-11-21 | 2014-06-04 | 西安嘉乐世纪机电科技有限公司 | Double-radiating structure based on synthetic jet device and radiator |
| CN203927844U (en) * | 2014-06-26 | 2014-11-05 | 欧普照明股份有限公司 | A kind of light fixture and heat transmission ejector thereof |
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Application publication date: 20160127 |
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