CN102840465A

CN102840465A - Lighting device

Info

Publication number: CN102840465A
Application number: CN2011101714838A
Authority: CN
Inventors: 周明杰; 张磊
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2011-06-23
Filing date: 2011-06-23
Publication date: 2012-12-26
Anticipated expiration: 2031-06-23
Also published as: CN102840465B

Abstract

The invention is suitable for the technical field of lighting devices and discloses a lighting device which comprises a shell assembly and a light source component, wherein the light source component is arranged in the shell assembly, a ventilation hole is arranged in the shell assembly, a radiating fan is fixedly arranged on the shell assembly in a position corresponding to the ventilation hole, and a radiating grid is also arranged on the shell assembly. The lighting device provided by the invention has good radiating effect. Heat is radiated from the product in a forced convection way through the arrangement of the radiating fan so that the product can keep a proper radiating temperature and has high reliability and a long service life.

Description

Lighting device

Technical field

The invention belongs to the lighting device technical field, relate in particular to a kind of lighting device of excellent in heat dissipation effect.

Background technology

Present lighting device, like the low ceiling light of LED etc., generally all can not efficiently radiates heat, because the caloric value of great power LED is very big in the low ceiling light of LED, the heat radiation of adopting drive plate to carry out usually.LED of the prior art hangs down lighting devices such as ceiling light, and being provided with except increasing light fixture cavity volume and in appearance not has good plan the radiating ribs, and radiating effect is very undesirable, and product reliability is poor, and service life is short.

In addition, lighting device of the prior art, the unlatching of its transparent cover is also very inconvenient.Because transparent cover passes through screw lock mostly on back cover in the prior art, the dismounting of product is inconvenient, and product uses inconvenient.

Summary of the invention

The objective of the invention is to overcome the deficiency of above-mentioned prior art, a kind of lighting device is provided, its good heat dissipation effect, product reliability is high, long service life.

Technical scheme of the present invention is: a kind of lighting device; Comprise housing unit and light source component; Said light source component is arranged in the said housing unit; Offer air vent on the said housing unit, corresponding said vent is set with radiator fan on the said housing unit, also offers heat dissipating grid on the said housing unit.

Particularly, said housing unit comprises back cover and transparent cover, and said transparent cover is articulated on the said back cover; Also be provided with buckle structure between said transparent cover and the back cover; Said buckle structure comprises the dead bolt portion that is fixedly set in institute's transparent area and covers, be opened on the said back cover and can hold the locked groove of said dead bolt portion; Be set with snap ring in the said locked groove, but the side of said dead bolt portion convexes with the holding section of cutting ferrule in said snap ring.

A kind of lighting device provided by the invention, it carries out the forced convertion heat radiation through radiator fan is set to product, and good heat dissipation effect makes product can keep suitable exothermic temperature, and product reliability is high, long service life.And but through snap ring being set on the back cover and covering the holding section of setting cutting ferrule in said snap ring at transparent area, operating personnel need not to use aid, and one hand just can be opened, lock transparent cover, and product is very convenient to use.

Description of drawings

Fig. 1 is the exploded perspective sketch map of a kind of lighting device of providing of the embodiment of the invention;

Fig. 2 is a kind of lighting device generalized section that the embodiment of the invention provides;

Fig. 3 is the local enlarged diagram in A place among Fig. 2;

Fig. 4 is the generalized section of the transparent cover of a kind of lighting device of providing of the embodiment of the invention;

Fig. 5 is the floor map of the back cover of a kind of lighting device of providing of the embodiment of the invention;

Fig. 6 is the generalized section of A-A section among Fig. 5;

Fig. 7 is the generalized section of B-B section among Fig. 5;

Fig. 8 is the local enlarged diagram in B place among Fig. 7;

Fig. 9 is the floor map of the snap ring of a kind of lighting device of providing of the embodiment of the invention.

The specific embodiment

In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

A kind of lighting device as depicted in figs. 1 and 2, that the embodiment of the invention provides, lighting device can be the low ceiling light of LED etc.Above-mentioned lighting device comprises housing unit 100 and light source component, and said light source component is arranged in the said housing unit 100, and light source component can be great power LED etc.Offer air vent 121 on the said housing unit 100, corresponding said air vent 121 places are set with radiator fan 200 on the said housing unit 100, also offer heat dissipating grid 102 on the said housing unit 100.Through radiating mode is set, passive heat radiation mode of the prior art is improved to active heat radiation, utilize 200 pairs of big parts of housing unit 100 internal calorific powers of radiator fan to dispel the heat; This mode radiating effect that utilizes forced convertion to dispel the heat is remarkable; Even product is under the situation of long time continuous working, product still can keep suitable temperature, guarantees that product can connect on normal reliable ground; Product reliability is good, long service life.Through offering heat dissipating grid 102, can form good heat dissipation wind channel, under the effect of radiator fan 200; Cold wind can suck from heat dissipating grid 102; The housing unit 100 of flowing through is inner and discharge from ventilating opening, and cold wind is sucked from ventilating opening, and the housing unit 100 of flowing through is inner and discharge from heat dissipating grid 102; Thereby take away the heat that is produced when housing unit 100 inner parts such as great power LED are worked, excellent in heat dissipation effect.

Particularly; As depicted in figs. 1 and 2, as one embodiment of the invention, said housing unit 100 internal fixation are provided with heat sink 300; Said light source component is fixed on the heat sink 300; The heat that is produced so that light source component is worked in time conducts on the bigger heat sink of area of dissipation 300, and the convective air flow that radiator fan 200 is produced when rotating is through heat sink 300, thereby heat is taken out of outside the housing unit 100; Can in suitable temperature range, work the service life that helps guaranteeing reliability of products and prolong product to guarantee lighting device.Heat sink 300 adopts the good material of heat conductivility to process, and in concrete the application, heat sink 300 can adopt aluminium alloy to process.

More specifically, as depicted in figs. 1 and 2, as one embodiment of the invention, convex with the heat radiation lug boss on the said heat sink 300, to increase the area of dissipation of heat sink 300, further improve the radiating effect of product.

More specifically, as depicted in figs. 1 and 2, as one embodiment of the invention, the outside of housing unit 100 convexes with the heat radiation convex tendon, to increase the area of dissipation of heat sink 300, further improves the radiating effect of product.

Particularly, as depicted in figs. 1 and 2, as one embodiment of the invention, said radiator fan 200 is fixed in the outside of said housing unit 100 through locking member 210 and the fan blade of radiator fan 200 is right against air vent 121 places.Need not extra housing unit 100 volume inside that take like this, be beneficial to the layout of housing unit 100 inner each parts, and made things convenient for the dismounting of radiator fan 200, need not to open the just replaceable radiator fan 200 of housing unit 100.And, can on existing lighting device, directly install radiator fan 200 additional, the position, hole that only needs on the housing unit 100 of original lighting device, to process air vent 121 and be used to install and fix radiator fan 200 gets final product, and reequips very convenient.In addition, also can radiator fan 200 be placed in the housing unit 100, all belong to protection scope of the present invention.

Particularly; As depicted in figs. 1 and 2, as one embodiment of the invention, said air vent 121 is opened in the bottom of said housing unit 100; Said heat dissipating grid 102 is opened in the side of said housing unit 100; Air vent 121 and heat dissipating grid 102 apart from each others are directly sucked in the housing unit 100 excellent in heat dissipation effect with the hot blast of avoiding blowing out.

Preferably, as depicted in figs. 1 and 2, as one embodiment of the invention, said locking member 210 is a screw, can select standard component for use, and easy accessibility and cost are low.

Particularly, like Fig. 1～shown in Figure 3, as one embodiment of the invention, said housing unit 100 comprises back cover 120 and transparent cover 110, and said transparent cover 110 is articulated on the said back cover 120; Air vent 121 is opened in the bottom of back cover 120; Heat dissipating grid 102 is opened side two in opposite directions sidewalls on back cover 120; Cold air can suck back cover 120 from the two side of back cover 120, and discharges hot-airs from air vent 121 behind flow through light source component and the heat sink 300, and radiating effect is excellent.Also be provided with buckle structure between said transparent cover 110 and the back cover 120; Said buckle structure comprise be fixedly set on the transparent cover 110 dead bolt portion 111, be opened on the said back cover 120 and can hold the locked groove 122 of said dead bolt portion 111; The lower ends downward of dead bolt portion 111 self-induced transparency covers 110 is extended setting; Be set with snap ring 400 in the said locked groove 122, but the side of said dead bolt portion 111 convexes with the holding section 1111 of cutting ferrule in said snap ring 400.Through such design, need not just can transparent cover 110 be lock onto on the back cover 120 the transparent cover 110 of easy disassembly through the mode of lock screw.When transparent cover 110 was closed tightly in 120 last times of back cover, holding section 1111 will be arranged in the snap ring 400, not have transparent cover 110 tight.When need are opened transparent cover 110; Operating personnel only need the end of pressing lock tongue 111; Holding section 1111 is shifted out from snap ring 400, just can transparent cover 110 be opened, operating personnel need not to use aid just can directly singlehandedly accomplish the action that open and close are covered; Easy to operate, be convenient to user's use.

Particularly, like Fig. 1, Fig. 2 and shown in Figure 4, as one embodiment of the invention; Convex with articulated jib 112 on the said transparent cover 110; Offer hinge hole 1121 on the said articulated jib 112, said back cover 120 convexes with hinged seat 123, offers perforation 1231 on the said hinged seat 123; Be equipped with split pin 130 between said hinge hole 1121 and the perforation 1231, the product assembling is very convenient.

Particularly; Like Fig. 1, Fig. 3 and shown in Figure 9, as one embodiment of the invention, said snap ring 400 is waist shape or suitable shapes such as Long Circle or rectangle; Said snap ring 400 is fixed in locked groove 122 places through two connectors 410; Said connector 410 is arranged at the two ends in the said snap ring 400 respectively, and so that snap ring 400 is fixing, and connector 410 is located at the stage casing maintenance better elastic that two ends can make snap ring 400.

More specifically, like Fig. 1, Fig. 7 and shown in Figure 8, as one embodiment of the invention, said locked groove 122 comprises the storage tank of offering from said back cover 120 upper surfaces downwards, and dead bolt portion 111 can extend in the storage tank.The both sides of said storage tank offer the locating slot that is used to place snap ring 400; The two ends of snap ring 400 lay respectively in the locating slot; Said locating slot is communicated with storage tank, and the stage casing of snap ring 400 is positioned at storage tank, and the sidewall of snap ring 400 and storage tank keeps certain distance; To form the space of ccontaining holding section 1111, avoid the inwall interference of holding section 1111 and storage tank.The side of said back cover 120 offers the mounting groove that is used for connector member 410, and said mounting groove is connected with storage tank.Snap ring 400 stage casings are unsettled, can make snap ring 400 keep better elastic.

Preferably, like Fig. 1 and shown in Figure 9, as one embodiment of the invention, said snap ring 400 adopts the steel wire coiling to form, and its elasticity is good, long service life, and handling ease, and cost is low.Operating personnel only need the end of pressing lock tongue 111, and holding section 1111 is shifted out between the two sections steel wire in snap ring 400 stage casings, just can transparent cover 110 be opened, and are very easy to user's use.

The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces or improvement etc., all should be included within protection scope of the present invention.

Claims

1. lighting device; Comprise housing unit and light source component; Said light source component is arranged in the said housing unit, it is characterized in that, offers air vent on the said housing unit; Corresponding said vent is set with radiator fan on the said housing unit, also offers heat dissipating grid on the said housing unit.

2. lighting device as claimed in claim 1 is characterized in that, said housing unit internal fixation is provided with heat sink.

3. lighting device as claimed in claim 1 is characterized in that, said radiator fan is fixed in the outside of said housing unit through locking member.

4. lighting device as claimed in claim 1 is characterized in that said air vent is opened in the bottom of said housing unit, and said heat dissipating grid is opened in the side of said housing unit.

5. lighting device as claimed in claim 3 is characterized in that, said locking member is a screw.

6. like each described lighting device in the claim 1 to 5, it is characterized in that said housing unit comprises back cover and transparent cover, said transparent cover is articulated on the said back cover; Also be provided with buckle structure between said transparent cover and the back cover; Said buckle structure comprises the dead bolt portion that is fixedly set in institute's transparent area and covers, be opened on the said back cover and can hold the locked groove of said dead bolt portion; Be set with snap ring in the said locked groove, but the side of said dead bolt portion convexes with the holding section of cutting ferrule in said snap ring.

7. lighting device as claimed in claim 6 is characterized in that, said transparent area covers and convexes with articulated jib; Offer hinge hole on the said articulated jib; Said back cover convexes with hinged seat, offers perforation on the said hinged seat, is equipped with split pin between said hinge hole and the perforation.

8. lighting device as claimed in claim 6 is characterized in that said snap ring is waist shape or Long Circle, and said snap ring is fixed in the locked groove place through two connectors, and said connector is arranged at the two ends in the said snap ring ring respectively.

9. lighting device as claimed in claim 8; It is characterized in that; Said locked groove comprises the storage tank of offering from said back cover upper surface downwards, and the both sides of said storage tank offer the locating slot that is used to place snap ring, and said locating slot is communicated with storage tank; The side of said back cover offers the mounting groove that is used for connector member, and said mounting groove is connected with storage tank.

10. lighting device as claimed in claim 6 is characterized in that, said snap ring adopts the steel wire coiling to form.