CN208566235U - A kind of active heat removal LED light based on gas flow purging technology - Google Patents
A kind of active heat removal LED light based on gas flow purging technology Download PDFInfo
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- CN208566235U CN208566235U CN201820663657.XU CN201820663657U CN208566235U CN 208566235 U CN208566235 U CN 208566235U CN 201820663657 U CN201820663657 U CN 201820663657U CN 208566235 U CN208566235 U CN 208566235U
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Abstract
The utility model provides a kind of active heat removal LED light based on gas flow purging technology, and the active heat removal LED light includes LED light source, protective cover；Air inlet and/or gas outlet are arranged on protective cover；Fan is arranged on the airflow channel formed between air inlet and air outlet, and ambient atmos are sent into the inside of protective cover by air inlet, and are discharged from gas outlet；The luminous wick of LED is arranged on the airflow channel inside protective cover；The LED wick that shines includes a plurality of LED light-emitting sections, and the both ends of LED light-emitting section are separately positioned on the first fixing piece, on the second fixing piece；On the section of the central axis perpendicular to luminous wick, the center in section to the angle theta between the first line and LED light-emitting section of the distal end of light-emitting section is acute angle；LED light source is arranged on light-emitting section, and on section, the second line and the LED light-emitting section at the center to LED light source intersect.The utility model has many advantages, such as that good heat dissipation effect, long service life, at low cost, light-weight, small in size, luminous efficiency is high.
Description
Technical field
The utility model relates to LED light, in particular to a kind of high light flux active heat removal LED based on gas flow purging technology
Lamp.
Background technique
Active heat removal LED light of the prior art with fan is strong with heat-sinking capability, is not necessarily to bulky metal heat sink, again
The advantages that light, small in size, at low cost is measured, the high light flux LED light of ten thousand Lm or more is easily formed, and overcomes Metal halogen lamp, sodium
Lamp etc. cannot open the disadvantages of i.e. bright, mercurous, colour rendering index is low, service life is short, can be used for substituting Metal halogen lamp, sodium vapor lamp, big function
Rate energy-saving lamp etc. is illuminated for road, garden, workshop, hypermarket, hall, square, gardening, agricultural etc..
But the forced air stream that the active heat removal LED light fan of the prior art generates, directly purging LED chip and luminescent powder
Layer, dust small worm in air-flow etc. is easy to pollute the bisque that shines, and increases the light decay of lamp, influences its service life.
The high light flux LED light of the prior art needs Great Power Driver, and the big calorific value of driver power consumption itself is high, it is difficult to
The self-rectifying lamp built in driver is made,
Utility model content
In order to solve the deficiency in above-mentioned prior art, the utility model provides a kind of small, service life using light decay
Length, good heat dissipation effect, the active heat removal LED light that at low cost, light-weight, small in size, luminous efficiency is high.
The purpose of this utility model is achieved through the following technical solutions:
A kind of active heat removal LED light based on gas flow purging technology, the active heat removal LED light include LED light source, protection
Cover；The active heat removal LED light further comprises:
Air inlet and air outlet, the air inlet and/or gas outlet are arranged on the protective cover；
Fan, the fan are arranged on the airflow channel formed between the air inlet and the air outlet, and being used for will be extraneous
Gas is sent into the inside of the protective cover by the air inlet, and is discharged from the gas outlet；
LED shines wick, and the LED wick that shines is arranged on the airflow channel inside the protective cover；The LED hair
Light wick includes a plurality of LED light-emitting sections, and the both ends of the LED light-emitting section are separately positioned on the first fixing piece, the second fixing piece
On；On the section of the central axis for the wick that shines perpendicular to the LED, the center to the distal end of LED light-emitting section in the section
The first line and the LED light-emitting section between angle theta be acute angle；The LED light source is arranged in the LED light-emitting section towards guarantor
In the one side of shield, on the section, second line at the center to the LED light source intersects with the LED light-emitting section,
Andα is the angle that first line rotates to that second line is formed, and β is described in second line rotates to
The angle that the third line of center to the proximal end of the LED light-emitting section is formed.
According to above-mentioned active heat removal LED light, it is preferable that
According to above-mentioned active heat removal LED light, it is preferable thatγ is that second line rotates to the center and arrives
The angle that 4th line at the center of the LED light-emitting section is formed.
According to above-mentioned active heat removal LED light, it is preferable that first fixing piece is connect with protective cover.
According to above-mentioned active heat removal LED light, optionally, the LED light-emitting section includes:
Substrate, the LED light source are to cover the shine LED chip of bisque or the LED of CSP, and the substrate width is greater than
3mm。
According to above-mentioned active heat removal LED light, it is preferable that the ratio between width and the width of substrate of the luminous bisque are less thanThe non-LED chip of the substrate and its luminous bisque overlay area are exposed.
According to above-mentioned active heat removal LED light, optionally, the LED light-emitting section further comprises:
The nearly gas outlet one of the substrate is arranged in electric current constant current or current-limiting apparatus, the electric current constant current or current-limiting apparatus
End, the big calorimetric that constant current or current-limiting apparatus generate, which can directly be taken out of by air-flow, to be dissipated, the constant current or current-limiting apparatus and LED
Light source electrical connection.
According to above-mentioned active heat removal LED light, it is preferable that first fixing piece and/or the second fixing piece block LED hair
The current-carrying part of striation end.
According to above-mentioned active heat removal LED light, optionally, the active heat removal LED light further comprises:
Connector, the protective cover are connect by the connector with lamp cap, and the fan is arranged in the connector；
The air inlet is the through-hole on the connector.
According to above-mentioned active heat removal LED light, it is preferable that on the section, the half of the circumscribed circle of the LED light-emitting section
The ratio between radius of turn of diameter and the fan is greater than 1.
Compared with prior art, the utility model has the beneficial effect that
1. forming airflow channel out of protective cover, introduces external air flow and go to purge exposed substrate, entire light-emitting section is all sudden and violent
Dew in the gas flow, conducts to rapidly take away LED light source to the heat of substrate, good heat dissipation；
The width of LED light source is less than the 1/3 of substrate width, and the pressure that the surface area of 70% or more substrate is exposed to fan is empty
Air-flow further improves heat dissipation effect；
The luminous bisque (or LED of CSP) of 2.LED light-emitting section relative cross-section center angle mount, LED chip and its covering is arranged
In the one end for closing on protective cover, luminescent powder level is to outside protective cover, and issued light can be emitted completely without being blocked, luminous efficiency
It is high；
3.LED chip and luminous bisque (or LED of CSP) are arranged in the angle between light-emitting section and protective cover, separate
Air-flow center in protective cover is forced the sand and dust small worm of air-flow to be influenced small, long service life by fan；
4. constant current or current-limiting apparatus are arranged on light-emitting section, and it is arranged on nearly gas outlet one end of light-emitting section, is produced
Raw big calorimetric can directly be taken out of gas outlet by air-flow and dissipate, and reduce the design difficulty and volume of built-in drive, constant current
Or the heat that current-limiting apparatus generates is conducted to the substrate of light-emitting section, then passes through the purging Quick diffusing of air-flow, is efficiently solved
Driver heat dissipation problem；
5. be not necessarily to bulky metal heat sink, lamps and lanterns it is light-weight, small in size, at low cost.
Detailed description of the invention
Referring to attached drawing, the disclosure of the utility model will be easier to understand.Skilled addressee readily understands that
Be: these attached drawings are used only for illustrating the technical solution of the utility model, and are not intended to the protection to the utility model
Range is construed as limiting.In figure:
Fig. 1 is the structural schematic diagram of the active heat removal LED light based on gas flow purging technology of the utility model embodiment；
The A-A that Fig. 2 is Fig. 1 schemes；
Fig. 3 is the structural schematic diagram of the LED light-emitting section of the utility model embodiment.
Specific embodiment
Fig. 1-3 and following description describe the optional embodiments of the utility model how to instruct those skilled in the art
Implement and reproduce the utility model.In order to instruct technical solutions of the utility model, it has simplified or omitted some conventional aspects.This
Field technical staff should be understood that the variation or replacement from these embodiments will be in the scope of the utility model.This field
Technical staff should be understood that following characteristics can be combined in various ways to form multiple modifications of the utility model.As a result, originally
Utility model is not limited to following optional embodiments, and is only limited by the claims and their equivalents.
Embodiment 1:
Fig. 1 schematically illustrates the active heat removal LED light based on gas flow purging technology of the utility model embodiment
Structure diagram, as shown in Figure 1, the active heat removal LED light includes:
Protective cover 11 protects internal LED to shine wick 21 to keep out foreign impacts；The protective cover 11 is by glass, modeling
Material or ceramics etc. can be made through the material of LED light-emitting section emergent light (emergent light comes from LED light source), can be transparent, milky white, mill
Sand, coloured or have decorative pattern, shape can for shapes such as Metal halogen lamp, sodium vapor lamp, incandescent lamps or as needed design shape；The protection
One end of cover 11 is fixedly connected with lamp cap 61；
Air inlet 32, if one end for facing lamp cap of protective cover 11 is arranged in air inlet, at least one through-hole is as air inlet
Mouth 32, shape such as prolate rectangle, ellipse, circle prevent the insects such as moth from entering；For another air inlet is arranged in connector
On 31, the protective cover 11 is fixedly connected by the connector 31 with lamp cap 61；Ambient atmos pass through institute under fan effect
Air inlet 32 is stated to enter in the protective cover；
One end of the separate lamp cap 61 of the protective cover 11 is arranged in gas outlet 25, the gas outlet 25；
Fan 51, the fan 51 are arranged in the protective cover 11 or are arranged in connector 31；So that in fan 51
Under effect, ambient atmos are entered inside protective cover 11 by air inlet 32, the luminous wick 21 of purging LED, later from gas outlet 25
Discharge, to form airflow channel inside protective cover 11；
Driver and lamp cap 61, driver and lamp cap are the state of the art, and specific structure and working method are herein
It repeats no more；
Fig. 2 schematically illustrates the structure diagram of the LED electroluminescent lamp core section A-A of the utility model embodiment, such as Fig. 1
Shown in 2, the luminous wick 21 of LED is arranged on the airflow channel in the protective cover 11, by 22 groups of a plurality of LED light-emitting sections
At；The both ends of the LED light-emitting section 22 are separately positioned on the first fixing piece 12, on the second fixing piece 91, the first fixing piece 12 with
It is connected at the exhaust outlet 25 of protective cover 11, and shelters from the current-carrying part of 22 outlet port of LED light-emitting section, the second fixing piece 91 hides
Keep off the current-carrying part of LED light-emitting section 22；On the Section A-A of the central axis for the wick 21 that shines perpendicular to the LED, described section
The center in face to the angle theta between the first line 71 and the LED light-emitting section 22 of the distal end of LED light-emitting section 22 be acute angle；It is described
LED light source 23 is arranged in the one side of the LED light-emitting section 22 towards protective cover 11, on the section, the center to institute
The second line 72 and the LED light-emitting section for stating 23 center of LED light source intersect, andα is that first line 71 rotates
The angle formed to second line 72, β is that second line 72 rotates to the center to the close of the LED light-emitting section
The angle that the third line 73 at end is formed；
Fig. 3 schematically illustrates the structure diagram of the LED light-emitting section of the utility model embodiment, as shown in figure 3, described
LED light-emitting section includes: substrate 24, and one end for facing protective cover 11 of the substrate 24 is arranged in the LED light source 23；The base
24 width of plate is greater than 3mm.
The working method of the above-mentioned active heat removal LED light of the utility model embodiment are as follows:
LED light source on light-emitting section shines, and emergent light penetrates the protective cover；
The heat that the LED light source generates is conducted to LED light-emitting section, and the exposed surface of entire LED light-emitting section is as LED light
The radiating surface in source；
Under fan effect, outside air 81 enters in protective cover from air inlet, passes through fan later and enters LED electroluminescent lamp
In-core, purges the exposed surface of LED light-emitting section, to take away heat, is finally discharged from gas outlet 25.
Embodiment 2:
The structure of the active heat removal LED light of the utility model embodiment, unlike the first embodiment:
1. as shown in Figure 1, the active heat removal LED light further comprises:
Bracket 41, the luminous wick 21 of the LED are connect by the bracket 41 with the fan 51；Ambient atmos are successively worn
Enter inside the protective cover 11 after crossing 41 inside of the air inlet 32, the fan 51 and bracket.
2. nearly gas outlet one end setting constant current of the substrate 24 of each LED light-emitting section or current-limiting apparatus.
3.Namely LED light source more closes on protective cover, to reduce protective cover interior air-flow to the shadow of LED light source
It rings.
Reached according to the active heat removal LED light of the utility model embodiment 2 and had an advantage that: entire LED light-emitting section exposure
In air-flow in protective cover, the exposed substrate of gas flow purging, to rapidly take away heat；Meanwhile LED light source is mounted on base
Plate faces one end of protective cover, reduces in air-flow dust etc. to the adverse effect of LED light source；In addition, constant current or current-limiting apparatus
Use, efficiently solve driver heat dissipation problem, reduce the design difficulty and volume of driver.
Embodiment 3:
According to the application examples of the active heat removal LED light of the utility model embodiment 2.
In the application examples, as shown in Figure 1-3, LED light source 23 includes chip 27 and the luminescent powder for covering LED chip 27
Layer 28, LED chip 27 is fixed on substrate 24, and the ratio between the width of the luminous bisque 28 and the width of substrate 24 are less thanInstitute
Non- LED chip 27 and its 28 overlay area of luminous bisque for stating substrate 24 are exposed；γ is that the second line 72 rotates to institute
The angle that the 4th line 74 for stating center to the center of LED light-emitting section 22 is formed；First fixing piece 12 passes through spring, glue, plastics
Etc. the inner wall for heading on protective cover 11,91 connecting bracket 41 of the second fixing piece, so that LED shines, wick is securely disposed at protective cover
It is interior；On the section of the central axis for the wick that shines perpendicular to LED, the external diameter of a circle of the LED light-emitting section and fan
The ratio between radius of turn is greater than 1.
Above-described embodiment is only illustratively to give outside air to enter in protective cover by air inlet, and from gas outlet
Discharge.So-called " air inlet " is only a channel convenient for gas disengaging, is not meant to be only capable of as " import " to make
With, naturally it is also possible to it is used as " outlet "；" gas outlet " is also as a same reason.
Claims (10)
1. a kind of active heat removal LED light based on gas flow purging technology, the active heat removal LED light includes LED light source, protection
Cover；It is characterized by: the active heat removal LED light further comprises:
Air inlet and air outlet, the air inlet and/or gas outlet are arranged on the protective cover；
Fan, the fan are arranged on the airflow channel formed between the air inlet and the air outlet, are used for ambient atmos
It is sent into the inside of the protective cover by the air inlet, and is discharged from the gas outlet；
LED shines wick, and the LED wick that shines is arranged on the airflow channel inside the protective cover；The LED electroluminescent lamp
Core includes a plurality of LED light-emitting sections, and the both ends of the LED light-emitting section are separately positioned on the first fixing piece, on the second fixing piece；?
It is shone on the section of the central axis of wick perpendicular to the LED, the center in the section to the first of the distal end of LED light-emitting section
Angle theta between line and the LED light-emitting section is acute angle；The LED light-emitting section is arranged in towards protective cover in the LED light source
On on one side, on the section, second line at the center to the LED light source intersects with the LED light-emitting section, andα is the angle that first line rotates to that second line is formed, and β is that second line rotates in described
The angle that the third line of the heart to the proximal end of the LED light-emitting section is formed.
2. active heat removal LED light according to claim 1, it is characterised in that:
3. active heat removal LED light according to claim 1, it is characterised in that:γ is that second line rotates to
The angle that 4th line at the center to the center of the LED light-emitting section is formed.
4. active heat removal LED light according to claim 1, it is characterised in that: first fixing piece is connect with protective cover.
5. active heat removal LED light according to claim 1, it is characterised in that: the LED light-emitting section includes:
Substrate, the LED light source are to cover the shine LED chip of bisque or the LED of CSP, and the substrate width is greater than 3mm.
6. active heat removal LED light according to claim 5, it is characterised in that: the width of the luminous bisque and substrate
The ratio between width is less thanThe non-LED chip of the substrate and its luminous bisque overlay area are exposed.
7. active heat removal LED light according to claim 5, it is characterised in that: the LED light-emitting section further comprises:
One end of the nearly gas outlet of the substrate is arranged in electric current constant current or current-limiting apparatus, the electric current constant current or current-limiting apparatus, and
It is electrically connected with LED light source.
8. active heat removal LED light according to claim 1, it is characterised in that: first fixing piece and/or the second fixation
Part blocks the current-carrying part of LED light-emitting section end.
9. active heat removal LED light according to claim 1, it is characterised in that: the active heat removal LED light is further wrapped
It includes:
Connector, the protective cover are connect by the connector with lamp cap, and the fan is arranged in the connector；It is described
Air inlet is the through-hole on the connector.
10. active heat removal LED light according to claim 1, it is characterised in that: on the section, the LED light-emitting section
External diameter of a circle and the ratio between the radius of turn of the fan be greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663657.XU CN208566235U (en) | 2018-05-07 | 2018-05-07 | A kind of active heat removal LED light based on gas flow purging technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663657.XU CN208566235U (en) | 2018-05-07 | 2018-05-07 | A kind of active heat removal LED light based on gas flow purging technology |
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| CN208566235U true CN208566235U (en) | 2019-03-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758370A (en) * | 2018-05-07 | 2018-11-06 | 浙江锐迪生光电有限公司 | A kind of active heat removal LED light based on gas flow purging technology |
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2018
- 2018-05-07 CN CN201820663657.XU patent/CN208566235U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758370A (en) * | 2018-05-07 | 2018-11-06 | 浙江锐迪生光电有限公司 | A kind of active heat removal LED light based on gas flow purging technology |
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