CN204313259U - Lighting device - Google Patents

Lighting device Download PDF

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Publication number
CN204313259U
CN204313259U CN201520025309.6U CN201520025309U CN204313259U CN 204313259 U CN204313259 U CN 204313259U CN 201520025309 U CN201520025309 U CN 201520025309U CN 204313259 U CN204313259 U CN 204313259U
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CN
China
Prior art keywords
fin portions
radiator
lighting device
power subsystem
opening 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.)
Expired - Fee Related
Application number
CN201520025309.6U
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Chinese (zh)
Inventor
一条祐辅
仓持裕行
海老原徹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Application granted granted Critical
Publication of CN204313259U publication Critical patent/CN204313259U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The utility model provides a kind of can be suppressed the height of radiator and can guarantee the lighting device of thermal diffusivity.Lighting device (10) possesses: illuminating part (33), radiator (22) and power subsystem (26).Radiator (22) has: the first fin portions (38), second fin portions (39) outstanding to side from the top of the first fin portions (38) of arrange the setting unit (37) of illuminating part (33) in bottom, giving prominence to upward from setting unit (37).Power subsystem (26) is to illuminating part (33) supply electric power.

Description

Lighting device
Technical field
Embodiment of the present utility model relates to a kind of lighting device possessing the radiator of the heat spreader that illuminating part is produced.
Background technology
In the past, the lighting device possessing the illuminating part of the light-emitting components such as use LED possesses radiator in order to the heat making illuminating part produce effectively dispels the heat.
In this kind of lighting device, in order to the high power of tackling illuminating part needs the heat dispersion improving radiator, thus there is the tendency that radiator maximizes.
When lighting device is the Down lamp being embedded in ceiling, be subject to the impact imbedding opening portion of ceiling component, radiator radial dimension is restricted, and radiator thus must be made to maximize in the height direction.
But, if make radiator maximize in the height direction, then according to ceiling structure, the top of radiator can with the Fa Sheng Gan Wataru such as other works, the setting of lighting device may be hindered.
Patent document 1: Japanese Unexamined Patent Publication 2013-182734 publication.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of height that can suppress radiator, and can guarantee the lighting device of thermal diffusivity.
The lighting device of embodiment possesses: illuminating part, radiator and power subsystem.Radiator has: the first fin portions, second fin portions outstanding from the top of the first fin portions to side of arrange the setting unit of illuminating part in bottom, giving prominence to from setting unit upward.Power subsystem supplies electric power to illuminating part.
According to the utility model, the height suppressing radiator can be expected, and guarantee the thermal diffusivity of radiator.
Detailed description of the invention
Below, referring to figs. 1 through Fig. 4, the 1st embodiment is described.
Lighting device 10 is baried type lighting devices.Down lamp is used as baried type lighting device.The opening portion 12 of the circle be arranged at ceiling component 11 opening imbedded by lighting device 10.In addition, the thickness of ceiling component 11 is about 5 ~ 25mm.
Lighting device 10 possesses: lamp device 20, be configured with the utensil 21 of this lamp device 20.Further, lighting device 10 possesses the radiator 22 and escutcheon 23 that form utensil 21, also possesses the lamp socket 24, reflector 25 and the power subsystem 26 that are configured at radiator 22.
Further, lamp device 20 possesses: framework 28, the radiating component 29 be made of metal being installed on the top of this framework 28, be installed on this radiating component 29 lower surface light emitting module 30, cover this light emitting module 30 and be installed on the diffuser 31 below framework 28.The upside of framework 28 forms the lamp holder being releasably installed on lamp socket 24.
Light emitting module 30 possesses: substrate 32, the illuminating part 33 be formed on this substrate 32.Illuminating part 33 possesses the multiple light-emitting components being installed on substrate 32.Illuminating part 33 can use LED as COB (the Chip On Board of light-emitting component, chip on board) module and SMD (SurfaceMount Device, surface mount device) packaging body, or can also other light-emitting components such as EL element be used.
Further, utensil 21 possesses: as appliance body radiator 22, be installed on the escutcheon 23 of the bottom of this radiator 22.
Further, radiator 22 is made up of metal material.Such as die casting aluminium is used as metal material.
Radiator 22 has discoideus base portion 36.The diameter of base portion 36 is formed as the internal diameter of the opening portion 12 being less than ceiling component 11.The plane setting unit 37 arranged for lamp device 20 is formed at the lower surface of base portion 36.In addition, because the lamp device 20 being arranged at setting unit 37 possesses illuminating part 33, thus can regard as and setting unit 37 is provided with illuminating part 33.
Radiator 22 possesses: from multiple first fin portions 38, multiple second fin portions 39 outstanding to side from the top of the side 38a of this first fin portions 38 that the upper surface of base portion 36 is outstanding upward.Although the first fin portions 38 and the second fin portions 39 are integrally formed, as long as thermally coupled Split type structure also can.
First fin portions 38 is formed as leaving gap 40 each other on width (and column direction) and parallel to each other.Be formed at the central portion of the first fin portions 38 and give prominence to from base portion 36 and multiple first fin portions 38 is linked all-in-one-piece linking part 41.The surrounding of the first fin portions 38 is positioned at the upper area of base portion 36, and is formed as the internal diameter of the opening portion 12 being less than ceiling component 11.The upper surface of the first fin portions 38 is formed as horizontal.Be formed with relief portion 42 on the top of the first fin portions 38, this relief portion 42 is the shape of being cut sideling the angle part of the projected direction opposite side with the second fin portions 39.Relief portion 42 can be rectilinear form, also can be curve shape.
Second fin portions 39 is formed as leaving gap 43 each other on width (parallel direction) and parallel to each other.Second fin portions 39 is arranged to the first fin portions 38 continuous, and is parallel to the first fin portions 38 with linearity.The upper surface of the second fin portions 39 and the upper surface of the first fin portions 38 are formed as horizontal continuously.The lower surface 39a of the second fin portions 39 is formed as, and relative to the second fin portions 39 of center side, the front end of the second fin portions 39 of both sides tilts upward.The position of the lower surface 39a of the second fin portions 39 is arranged to, when making mounting spring 48 described later carry over reflector when arranging lighting device 10, not with mounting spring 48 Gan Wataru.The above-below direction of the second fin portions 39 and the size of width are formed as the internal diameter of the opening portion 12 being less than ceiling component 11.
Further, escutcheon 23 has the escutcheon main body 46 being formed as cylindrical shape.The external diameter of escutcheon main body 46 is formed as the internal diameter of the opening portion 12 being less than ceiling component 11.Be formed with flange 47 in the bottom of escutcheon 23, this flange 47 is connected to the lower surface of ceiling component 11 and covers opening portion 12 when arranging lighting device 10.Multiple mounting spring 48 for being arranged on ceiling are installed around escutcheon 23.In the present embodiment, use 3 mounting spring 48, wherein 1 mounting spring 48 is configured at the below of the second fin portions 39.
Further, lamp socket 24 is installed on the setting unit 37 of radiator 22.Lamp socket 24 is releasably provided with the lamp holder of lamp device 20.The inserting hole 51 supplying the radiating component 29 of lamp device 20 to insert is formed in the central authorities of lamp socket 24.Further, when lamp device 20 is installed on lamp socket 24, the setting unit 37 of the radiating component 29 and radiator 22 that are inserted through inserting hole 51 contacts, make radiating component 29 and radiator 22 thermally coupled.Further, when lamp device 20 is installed on lamp socket 24, lamp socket 24 and lamp device 20 are electrically connected, and the direct current power that power subsystem 26 exports can be supplied to the light emitting module 30 of lamp device 20.
Further, reflector 25 is releasably installed in escutcheon 23 by the installation fitting being arranged at radiator 22.Reflector 25 is formed as the cylindrical shape expanded downward.
Further, power subsystem 26 possesses: the shell 54 of strip, the power circuit 55 be contained in this shell 54.Shell 54 possesses: top board 56, be installed on the housing main body 57 of the lower surface of this top board 56.In addition, the size on the direction intersected with the long side direction of power subsystem 26 is formed as the internal diameter of the opening portion 12 being less than ceiling component 11.
Be formed with side plate 58 bending downward in the both sides of top board 56, one end of side plate 58 is installed on the top of radiator 22 by installation component 59.Installation component 59 is installed on the top, front of the second fin portions 39.Rotatably be linked with the biside plate 58 of top board 56 by axle 60 in the both sides of this installation component 59.Therefore, power subsystem 26 is installed on the front of the second fin portions 39 of radiator 22.Further, power subsystem 26 is installed on the front of the second fin portions 39 of radiator 22 along the vertical direction swingably centered by axle 60.
The foot 61 of the upper surface being equipped on ceiling component 11 is formed at the other end of top board 56.Foot 61 gives prominence to downwards than side plate 58, is formed with rake 62 between foot 61 and side plate 58.
Power circuit 55 is configured to: input AC electric power, and alternating electromotive force is converted to predetermined direct current power, is supplied by the light emitting module 30 of lamp socket 24 to lamp device 20.
Be provided with terminal board 63 in the front of top board 56, this terminal board 63 is connected by electric wire with power circuit 55.
Then, the effect of present embodiment is described.
When arranging lighting device 10, to guide to the below of ceiling component 11 from opening portion 12 by being configured at the power line of the top of ceiling component 11 or holding wire isoelectric line and being connected to the terminal board 63 of power subsystem 26.
By under the state upward of the front of power subsystem 26, by the insertion opening portion, front 12 of power subsystem 26, the upper area of the power subsystem 26 being inserted into opening portion 12 to ceiling component 11 was fallen simultaneously.
By under the state upward of the outstanding front of the second fin portions 39, continue the insertion opening portion, front 12 of the second fin portions 39 after relay source unit 26.Afterwards, the mode in insertion opening portion 12 can rotate radiator 22 (utensil 21) with the top of the first fin portions 38, thus make the top of the first fin portions 38 be inserted into opening portion 12.
Now, as shown in Figure 4, the side 38a of the lower surface 39a of the second fin portions 39 or first fin portions 38 opposed with the lower surface 39a of this second fin portions 39 is made to be connected to the edge of opening portion 12, and with this abutment portion for fulcrum P rotates radiator 22, the rotation of radiator 22 can be carried out thus swimmingly, the top of the first fin portions 38 can be easily inserted into opening portion 12.
In addition, with regard to the radiator 22 rotated centered by the fulcrum P at the edge of opening portion 12, if to be contained in centered by fulcrum P and in the imaginary line A described with the diameter dimension of opening portion 12, then radiator 22 can be inserted into opening portion 12.Can be set by the shape etc. of the lower surface 39a position of the second fin portions 39 and the relief portion 42 of the first fin portions 38 can the shape of radiator 22 in insertion opening portion 12.
Then, make the elastic deformation of multiple mounting spring 48 with carry over radiator 22 side and under the state keeping the plurality of mounting spring 48, by the insertion opening portion, front 12 of the bottom of radiator 22 and multiple mounting spring 48.After the front of multiple mounting spring 48 is inserted into opening portion 12, the maintenance to multiple mounting spring 48 can be removed.Remove the multiple mounting spring 48 kept to be launched toward the outer side by elasticity, be connected to the upper edge of the opening portion 12 of ceiling component 11.
Then, by the bottom of radiator 22, multiple mounting spring 48, escutcheon 23 insertion opening portion 12.Be inserted in opening portion 12 if continue, then multiple mounting spring 48 plays the effect utilizing elasticity to draw high utensil 21 towards the top of ceiling component 11.Thus, the flange 47 of escutcheon 23 is connected to the lower surface of ceiling component 11, clamps and keep ceiling component 11 between flange 47 and multiple mounting spring 48.
Power subsystem 26 rotates according to the thickness of ceiling component 11, and the foot 61 of the front of power subsystem 26 is equipped on the upper surface of ceiling component 11, and the front of power subsystem 26 is supported by ceiling component 11.
Then, after setting up lighting device 10, supply direct current power from power subsystem 26 towards the light emitting module 30 of lamp device 20, thus, the illuminating part 33 of light emitting module 30 is luminous, and the light carrying out self-luminescent part 33 is by lighting space injection downward in reflector 25.
The heat produced when illuminating part 33 is luminous is delivered to radiating component 29 from substrate 32, and is delivered to radiator 22 from radiating component 29, thus dispels the heat towards air from radiator 22.
The heat being delivered to the illuminating part 33 of radiator 22 transmitted in comprising in the entirety of the first fin portions 38 and the second fin portions 39 of radiator 22.
As shown in Figure 1, because heat is delivered to the first fin portions 38, thus risen from the upside of the first fin portions 38 by the air that the first fin portions 38 heats, the air of the environment temperature before heating from the gap 40 of lower side inflow first fin portions 38 of the first fin portions 38, thus produces the gap 40 air stream F1 upward from below via the first fin portions 38.By air stream F1, can efficiently dispel the heat from the first fin portions 38.
And, because heat is delivered to the second fin portions 39, therefore risen from the upside of the second fin portions 39 by the air that the second fin portions 39 heats, the air of the environment temperature before heating from the gap 43 of lower side inflow second fin portions 39 of the second fin portions 39, thus produces the gap 43 air stream F2 upward from below via the second fin portions 39.By this air stream F2, can more effectively dispel the heat from the second fin portions 39.Second fin portions 39 is outstanding to the side of the first fin portions 38, and has lower surface 39a, thus produces the air stream F2 flowing to upper surface from lower surface 39a, can obtain higher radiating effect.
And, lighting device 10 due to present embodiment possesses the radiator 22 making the second fin portions 39 outstanding from the top of the first fin portions 38 towards side, thus can suppress the height of radiator 22, and guarantee the thermal diffusivity of radiator 22 of the high power of tackling lamp device 20.
Further, because the first fin portions 38 and the second fin portions 39 are arranged to linearity and parallel, the air flowing of thus dispelling the heat caused becomes smooth and easy, cause thermal diffusivity better, and the manufacturing of radiator 22 becomes better.
Further, be installed on the front of the second fin portions 39 of radiator 22 due to power subsystem 26, thus power subsystem 26 and radiator 22 can be inserted into the opening portion 12 of ceiling component 11.
And, when unloading lower lighting device 10 from ceiling component 11, resist the active force of multiple mounting spring 48 and drop-down escutcheon 23, multiple mounting spring 48 is taken out downward from opening portion 12, and mode upward can rotate radiator 22 with the second fin portions 39, take out radiator 22 downwards from opening portion 12, and take out power subsystem 26 downwards from opening portion 12.Now, although be extruded with downward foot 61 in the front of power subsystem 26, but connect between this foot 61 and side plate 58 owing to utilizing rake 62, thus foot 61 can not be configured in the top of ceiling component 11 distribution or works etc. block, and easily can take off power subsystem 26 from opening portion 12.
In addition, the position of the lower surface 39a of the second fin portions 39 is greater than the thickness of ceiling component 11 from the upper surface of the flange 47 of escutcheon 23.In the present embodiment, owing to using mounting spring 48 when arranging lighting device 10, thus the lower surface 39a of the second fin portions 39 to be located under the state making mounting spring 48 carry over reflector not with the position of this mounting spring 48 Gan Wataru.Further, the above-below direction of the second fin portions 39 and the size of width are less than the internal diameter of opening portion 12, with the opening portion 12 making this second radiating part 39 can be inserted in ceiling component 11.
Then, the 2nd embodiment is represented in Figure 5.In addition, identical symbol is marked for the structure identical with the 1st embodiment, and omit the explanation to this structure and action effect.
The inclination ceiling lighting device 10 being used in the ceiling component 11 of inclination is represented in Fig. 5.The angle of inclination of ceiling component 11 is with respect to the horizontal plane such as 20 °.
Escutcheon 23 possesses: be installed on the upper plate 70 of the bottom of radiator 22, the frame portion 71 chimeric with the opening portion 12 of ceiling component 11, link the support 72 in upper plate 70 and frame portion 71.Support 72 is arranged to vertical relative to frame portion 71.
Gathering sill 73 is formed with along the long side direction (above-below direction) of support 72 at support 72.The installation fitting 74 that can slide along gathering sill 73 is installed at the gathering sill 73 of support 72.Be linked to gathering sill 73, the bottom of installation fitting 74 can be that fulcrum is outstanding to side from support 72 with top the upper slidable of installation fitting 74.And, after escutcheon 23 and power subsystem 26 and radiator 22 are together inserted into the opening portion 12 of ceiling component 11, the installation fitting 74 being positioned at position more closer to the top than the upper surface of ceiling component 11 is slided downward, thus, the bottom of installation fitting 74 is given prominence to towards side thus is stuck on ceiling component 11, and the top of installation fitting 74 crimps and is fixed on support 72.Thus, clamp between frame portion 71 and installation fitting 74 and keep ceiling component 11.
The bottom of reflector 25 coordinates the inclination of ceiling component 11 and is formed as skewed with parallel with frame portion 71.
And, in the lighting device 10 of ceiling board mounting structure employing installation fitting 74, the lower surface 39a position of the second fin portions 39 can not be limited in as the 1st embodiment not with the position of mounting spring 48 Gan Wataru, the lower surface 39a of the second fin portions 39 can be made to be positioned at the lower side of the first fin portions 38, thus the second fin portions 39 can be made to maximize, can radiating effect be improved.In addition, in that case, the above-below direction of the second fin portions 39 and the size of width are also less than the internal diameter of opening portion 12, with the opening portion 12 making this second fin portions 39 can be inserted in ceiling component 11.
Further, the second fin portions 39 of lighting device 10 and power subsystem 26 towards the incline direction of ceiling component 11 uplifted side and configure.
The second fin portions 39 and power subsystem 26 is supposed to configure towards the decline side of the incline direction of ceiling component 11, under the state being then equipped on ceiling component 11 in the front of power subsystem 26, the inclination of power subsystem 26 is larger, the temperature of the upper side of the power subsystem 26 tilted easily rises, and brings impact easily to the life-span of power subsystem 26.In order to prevent the problems referred to above, must be set to longer by power subsystem 26, this can cause the maximization of power subsystem 26.
By the second fin portions 39 and power subsystem 26 are configured towards the uplifted side of the incline direction of ceiling component 11, reduce the inclination of the power subsystem 26 under the state being equipped on ceiling component 11 in the front of power subsystem 26, thus the deviation of the Temperature Distribution of power subsystem 26 can be reduced, make power subsystem 26 long lifetime.Further, power subsystem 26 need not be lengthened, power subsystem 26 miniaturization can be made.
In addition, lighting device 10 also can not use lamp device 20 or lamp socket 24 etc., and installs illuminating part in the setting unit 37 of radiator 22.
Above, some embodiments of the present utility model are illustrated, but these embodiments just illustrate, do not limit the intention of utility model scope.These new embodiments can be implemented in other various mode, in the scope not departing from the utility model aim, can carry out various omission, displacement, change.These embodiments or its distortion all belong in scope of the present utility model or aim, and are also contained in the utility model and equivalent scope thereof recorded in technical scheme.
Accompanying drawing explanation
Fig. 1 is the sectional view of the lighting device representing the 1st embodiment.
Fig. 2 is the stereogram from the above-mentioned lighting device of top view.
Fig. 3 is the stereogram observing above-mentioned lighting device from below.
Fig. 4 is the side view of above-mentioned lighting device.
Fig. 5 is the side view of the lighting device representing the 2nd embodiment.
In figure: 10-lighting device, 22-radiator, 26-power subsystem, 33-illuminating part, 37-setting unit, 38-first fin portions, 39-second fin portions.

Claims (3)

1. a lighting device, is characterized in that, possesses:
Illuminating part;
Radiator, it possesses: the first fin portions, second fin portions outstanding to side from the top of described first fin portions of arrange the setting unit of described illuminating part in bottom, giving prominence to from described setting unit upward;
To the power subsystem of described illuminating part supply electric power.
2. lighting device according to claim 1, is characterized in that,
Described power subsystem is installed on the front of described second fin portions of described radiator.
3. lighting device according to claim 1 and 2, is characterized in that,
Described first fin portions and described second fin portions be arranged in parallel.
CN201520025309.6U 2014-06-13 2015-01-14 Lighting device Expired - Fee Related CN204313259U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-122885 2014-06-13
JP2014122885A JP6361867B2 (en) 2014-06-13 2014-06-13 Lighting device

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Publication Number Publication Date
CN204313259U true CN204313259U (en) 2015-05-06

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CN (1) CN204313259U (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7050570B2 (en) * 2018-05-15 2022-04-08 三菱電機株式会社 Power supply and lighting

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* Cited by examiner, † Cited by third party
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JP5673313B2 (en) * 2010-08-25 2015-02-18 パナソニックIpマネジメント株式会社 lighting equipment
JP2013045704A (en) * 2011-08-25 2013-03-04 Panasonic Corp Lighting fixture
JP6251081B2 (en) * 2014-03-03 2017-12-20 株式会社アイ・ライティング・システム Reflection unit and LED module

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JP2016004636A (en) 2016-01-12

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150506