CN208919891U - A kind of downlight - Google Patents
A kind of downlight Download PDFInfo
- Publication number
- CN208919891U CN208919891U CN201821485651.4U CN201821485651U CN208919891U CN 208919891 U CN208919891 U CN 208919891U CN 201821485651 U CN201821485651 U CN 201821485651U CN 208919891 U CN208919891 U CN 208919891U
- Authority
- CN
- China
- Prior art keywords
- light source
- radiator
- downlight
- shell
- mounting portion
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of downlights, comprising: light source module group, driving mould group, radiator and shell；Wherein, radiator includes that main part and one surface middle part of main part protrude out the thermal contact portion to be formed；The radiator and light source module group are contained in shell；The shell is equipped with mounting portion, and the radiator and the light source module group are placed in the mounting portion two sides；The thermal contact portion is bonded with the light source substrate of light source module group.The less heat sink material of lamps and lanterns in the utility model, can reach preferable heat dissipation effect, and lamps and lanterns cost is reduced while promoting lamp life.
Description
Technical field
The utility model belongs to field of light fittings, and in particular to lamps and lanterns field of radiating.
Background technique
Lamps and lanterns are ubiquitous in daily life, and as the brightness of light increases, the power of lamps and lanterns is also higher, dissipates to lamps and lanterns
Heat request is also higher.If the heat dissipation performance of lamps and lanterns is bad, gently if influence service life of lamps and lanterns, it is heavy then lamps and lanterns is caused to overheat, cause
Fire incident.
For example, the very high downlight of frequency of use in daily life leads to the heat dissipation of downlight since radiator setting is unreasonable
Ineffective, therefore, it is necessary to the heat dissipations to downlight to improve, improving heat radiation efficiency.
Summary of the invention
The purpose of this utility model exactly solves downlight in the prior art, and radiating efficiency is low, component service life
Short problem.
The technical solution of the utility model includes: a kind of downlight, comprising: light source module group, driving mould group, radiator and shell；
Wherein, radiator includes that main part and one surface middle part of main part protrude out the thermal contact portion to be formed；The radiator and light source die
Group is contained in shell；The shell is equipped with mounting portion, and the radiator and the light source module group are placed in the mounting portion
Two sides；The light source module group includes light source substrate and the light source for being set to light source substrate, and the driving mould group and light source module group are electric
Property connection；The mounting portion be thin plate and from perpendicular to lamps and lanterns short transverse or be parallel to light source substrate direction extend shape
At；
The thermal contact portion passes through mounting portion and encloses the space set, is bonded with the light source substrate of light source module group.
Further, a surface for the radiator is bonded with mounting portion.
Further, at least part of the light source substrate of the light source module group is bonded with the mounting portion of shell.
Further, the shell is additionally provided with the thermal convection chamber being in communication with the outside up and down；The thermal convection chamber is surround
In outside radiator and light source module group.
Further, the driving mould group is wholely set with the light source substrate, or is mounted on the shell other end.
Further, the shell has inner wall and outer wall, and it is right that the heat is provided between the inner wall and the outer wall
Flow chamber.
Further, the light source substrate and the radiator are mounted on the inner walls and enclose the accommodating space for setting and being formed
It is interior.
Further, the mounting portion projects into the accommodating space from inner wall.
Further, the radiator is made of the high metal of thermal conductivity or plastics.
Further, when the driving mould group is mounted on the shell other end, the driving mould group and the light source substrate
Between be electrically connected by conducting wire.
Further, it when the driving mould group is mounted on the shell other end, is set in the thermal contact portion of the radiator
Set a circular hole.
Further, the screw hole of position consistency, a spiral shell are set on the light source substrate, mounting portion and radiator
Nail is across the fixed light source substrate of screw hole, mounting portion and radiator.
Further, the lamps and lanterns further include reflector；
It is connected in such a way that rotation buckles between the reflector and the shell, in the reflector and the shell
Junction and the thermal convection chamber between maintain a certain distance.
The utility model has the following beneficial effects: the downlight in the utility model, by improving radiator, and to add heat right
The modes such as circulation road can reach preferable heat dissipation effect with less heat sink material compared to existing downlight.It is being promoted
Lamps and lanterns cost is reduced while lamp life.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the preferred cylinder lamp structure schematic diagram of the utility model embodiment；
Fig. 2 is the preferred downlight diagrammatic cross-section of the embodiments of the present invention；
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment one
Fig. 1 is the preferred cylinder lamp structure schematic diagram of the utility model embodiment, as shown in Figure 1, downlight includes: reflector
11, the light source substrate 12a, radiator 13, shell 14 of light source module group 12, driving mould group 15, and driving accepting box 16.Wherein,
In order to improve radiating efficiency, the radiator 13 in the utility model includes protruding out in the middle part of one surface 13c of main part 13b and main part
The thermal contact portion 13a of formation, light source substrate 12 are bonded with the thermal contact portion 13a, the main part 13b of radiator 13 with thermally contact
Portion 13a forms bowl structure, and since the direction of illumination of downlight is usually arranged from the top down, light source substrate 12 is in irradiation process
The heat of formation is walked upwards, and radiator 13 is set as the bowl structure of the rim of a bowl upward in the present embodiment, can make radiator
13 preferably play heat dissipation effect, improving heat radiation efficiency.
Reflector 11, light source substrate 12, radiator 13, driving accepting box 16 are each attached on shell 14, can be with from Fig. 1
Find out, be provided with multiple thermal convection chambers 17 between the inner wall 14a and outer wall 14b of shell 14, the upper/lower terminal of thermal convection chamber with
Outside air connection, forms stack effect, promotes the radiating efficiency of downlight.It is buckled between reflector 11 and shell 14 using rotation
Mode connect, maintain a certain distance, avoid reflective between reflector 11 and the junction and thermal convection chamber of shell 14
Cover 11 hinders the heat dissipation effect of thermal convection chamber with the junction of shell 14.
Driving mould group 15 by buckle or screw be fixed on driving accepting box 16 in, in Fig. 1 it can be seen from driving mould group
15 are in the rear end of downlight, and light source substrate 12 is in the front end of downlight, drive and pass through conducting wire between mould group 15 and light source substrate 12
(not shown) is electrically connected with light source substrate 12.It is seen also in fig. l that in the thermal contact portion 13a centre bit of radiator 13
It installs and is equipped with circular hole 18, the conducting wire of connection driving mould group 15 and light source substrate 12 passes through the circular hole of thermal contact portion 13a.It is this to drive
The mode that dynamic model group 15 and light source substrate 12 are provided separately can effectively avoid caused by light source substrate 12 radiates not exclusively and drive mould
The reduction of electrical component service life in group 15.
Certainly, driving mould group 15 carries out remotely connected mode except through conducting wire and light source substrate 12, can also set
It is set to and closely connects driving mould group 15 and light source substrate 12, such as drive mould group 15 and the fitting setting of light source substrate 12, use
It is bonded the mode of setting, the stability being electrically connected between driving mould group 15 and light source substrate can be improved.
Driving accepting box 16 is fixed on the inner wall of shell 14 also by the mode of buckle, and the outer diameter of driving accepting box 16 omits
Driving accepting box 16 is also avoided less than the inner diameter of shell 14 to drive accepting box 16 snugly fixed with shell 14
Outer diameter is excessive, leads to the heat dissipation effect for driving accepting box 16 to influence thermal convection chamber.
Embodiment two
Fig. 2 is the diagrammatic cross-section of the preferred downlight of embodiment in the utility model, as shown in Fig. 2, downlight includes: shell
22, mould group 26, radiator 23, reflector 24, light source substrate 25, thermal convection chamber 21 are driven, wherein shell 22 is equipped with mounting portion
22a, mounting portion 22a are formed by inwardly stretching out certain distance on 2 inner wall of shell, and mounting portion 22a presents circular.Radiator 23 wraps
It includes and protrudes out the thermal contact portion 23a to be formed in the middle part of one surface 23c of main part 23b and main part, during installation, radiator 23 is located at
The upper end of mounting portion 22a, light source substrate 25 are located at the lower end of mounting portion 22a, and the thermal contact portion 23a of radiator 23 is located at mounting portion
22a annulus inner ring, and setting is bonded with light source substrate 25.
The upper surface of light source substrate 25 is bonded in addition to the lower surface thermal contact portion 23a with radiator 23, also with mounting portion 22a
Lower surface fitting namely the lower surface of mounting portion 22a and the lower surface thermal contact portion 23a of radiator 23 be in same plane
On.
The main part 23b of radiator 23 includes horizontal component and non-horizontal, the horizontal component of radiator body portion 23b
It is connect with thermal contact portion 23a, is respectively set at least one on radiator body portion 23b, mounting portion 22a and light source substrate 25
A screw hole, the screwhole position on radiator body portion 23b, mounting portion 22a and light source substrate 25 is consistent, can with a screw
Radiator body portion 23b, mounting portion 22a and light source substrate 25 is fixed simultaneously.This three component parallels are placed, and are passed through
One screw fixes the mode of three components simultaneously, that is, saves components cost, while saving recruitment cost, improve group
Fill efficiency.In addition, light source substrate 25 and thermal contact portion 23a are also more bonded by this mode, radiating efficiency is improved.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (13)
1. a kind of downlight, which is characterized in that
The downlight includes: light source module group, driving mould group, radiator and shell；
Wherein, radiator includes that main part and one surface middle part of main part protrude out the thermal contact portion to be formed；
The radiator and light source module group are contained in shell；
The shell is equipped with mounting portion, and the radiator and the light source module group are placed in the mounting portion two sides；
The light source module group includes light source substrate and the light source for being set to light source substrate, and the driving mould group and light source module group are electrical
Connection；
The mounting portion is thin plate and from the short transverse perpendicular to lamps and lanterns or is parallel to the direction of light source substrate and extends to form；
The thermal contact portion passes through mounting portion and encloses the space set, is bonded with the light source substrate of light source module group.
2. downlight as described in claim 1, it is characterised in that:
A surface for the radiator is bonded with mounting portion.
3. downlight as claimed in claim 2, it is characterised in that:
At least part of the light source substrate of the light source module group is bonded with the mounting portion of shell.
4. downlight as claimed in claim 3, it is characterised in that:
The shell is additionally provided with the thermal convection chamber being in communication with the outside up and down；
The thermal convection chamber is surrounded on outside radiator and light source module group.
5. downlight as claimed in claim 3, it is characterised in that:
The driving mould group is wholely set with the light source substrate, or is mounted on the shell other end.
6. downlight as claimed in claim 4, it is characterised in that:
The shell has inner wall and outer wall, and the thermal convection chamber is provided between the inner wall and the outer wall.
7. downlight as claimed in claim 6, it is characterised in that:
The light source substrate and the radiator, which are mounted on the inner walls and enclose, to be set in the accommodating space to be formed.
8. downlight as claimed in claim 7, it is characterised in that:
The mounting portion projects into the accommodating space from inner wall.
9. such as downlight of any of claims 1-8, it is characterised in that:
The radiator is made of the high metal of thermal conductivity or plastics.
10. downlight as claimed in claim 5, it is characterised in that:
When the driving mould is mounted on the shell other end, carried out between the driving mould group and the light source substrate by conducting wire
Electrical connection.
11. downlight as claimed in claim 10, it is characterised in that:
When the driving mould is mounted on the shell other end, a circular hole is set in the thermal contact portion of the radiator.
12. downlight as claimed in claim 4, it is characterised in that:
The screw hole of position consistency is set on the light source substrate, mounting portion and radiator, and a screw is fixed across screw hole
The light source substrate, mounting portion and radiator.
13. downlight as described in claim 1, it is characterised in that:
The lamps and lanterns further include reflector；
It is connected in such a way that rotation buckles between the reflector and the shell, in the company of the reflector and the shell
It is maintained a certain distance between the place of connecing and thermal convection chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485651.4U CN208919891U (en) | 2018-09-12 | 2018-09-12 | A kind of downlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485651.4U CN208919891U (en) | 2018-09-12 | 2018-09-12 | A kind of downlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919891U true CN208919891U (en) | 2019-05-31 |
Family
ID=66705067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821485651.4U Active CN208919891U (en) | 2018-09-12 | 2018-09-12 | A kind of downlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919891U (en) |
-
2018
- 2018-09-12 CN CN201821485651.4U patent/CN208919891U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101749576B (en) | Light-emitting module and illumination apparatus | |
| TW201144662A (en) | Luminous element lamp of fluorescent lamp shape and illumination tool | |
| CN201706234U (en) | LED down lamp | |
| CN201884988U (en) | Detachable high-power LED (light-emitting diode) illumination lamp | |
| CN101684931A (en) | Light-emitting diode lamp | |
| CN102563429B (en) | LED bulb | |
| CN201273472Y (en) | Improved LED lamp structure | |
| CN204201690U (en) | The LED Ceiling light of the integrated structure of a kind of light source board power panel | |
| KR20160083697A (en) | LED lighting device that directly connected to the power supply | |
| CN208919891U (en) | A kind of downlight | |
| CN203743990U (en) | LED (light emitting diode) wall lamp | |
| CN202452201U (en) | LED lamp bulb | |
| CN202691651U (en) | Integrated light emitting diode (LED) down lamp | |
| CN201396594Y (en) | LED lamp holder integrating light distribution and heat dissipation | |
| CN203784683U (en) | Led lamp | |
| CN203131497U (en) | Light-emitting diode (LED) fluorescent lamp | |
| CN201688361U (en) | Anti-explosion lamp | |
| CN2441020Y (en) | Explosionproof light | |
| CN203297973U (en) | Large-angle lamp capable of dissipating heat | |
| CN203571484U (en) | Integrated type LED lamp tube | |
| CN204806037U (en) | LED ball bubble lamp | |
| CN205227242U (en) | Erect line and mould alclad GU10 heat radiation structure | |
| CN209213603U (en) | A kind of energy-saving LED lamp housing | |
| CN207815031U (en) | The shoes box lamp of high efficiency and heat radiation | |
| CN206268829U (en) | A kind of radiator structure of bulb lamp under water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |