CN205160987U

CN205160987U - Waterproof type drive power supply

Info

Publication number: CN205160987U
Application number: CN201520570660.3U
Authority: CN
Inventors: 叶博森
Original assignee: GUANGZHOU SHENGLONG LIGHTING Co Ltd
Current assignee: Guangzhou Ntk Electronic Technology Co ltd
Priority date: 2015-07-30
Filing date: 2015-07-30
Publication date: 2016-04-13
Anticipated expiration: 2025-07-30

Abstract

The utility model discloses a waterproof drive power supply, it includes: a cylindrical case, with shell port complex lid and install the circuit board components in the closed shell that shell and lid constitute, the through -hole that the power cord be connected with circuit board components was seted up on by the lid is worn out, the relative both sides of shell sunken or protruding towards interior formation, the lid correspond sunkenly or bellied both sides limit forms to indent position or convex -concave position. The utility model adopts the above technical scheme, at first, the utility model discloses a what two sides of shell adopted is the arc side, and the lid that corresponds adopts the arc side equally. When expend with heat and contract with cold appearing, the two inseparabler laminating of deformation military order of the arc side production of casing arc side and lid can not produce the clearance, the effectual entering that prevents moisture.

Description

A kind of water proof type driving power

Technical field:

The utility model relates to lighting driving power technical field, refers in particular to a kind of simple dual waterproof driving power of assembled.

Background technology:

Along with the development of LED technology, LED progressively replaces conventional incandescent, Halogen lamp LED.LED has many advantages, so the producer is devoted to develop LED lamp.The chief component of LED lamp is exactly driving power.Especially for the driving power of outdoor lamp, because it needs waterproof, outward appearance is good-looking again, easily assembles again, raises the efficiency, so the driving power of development of new has been current development trend.

Although LED has certain advantage as illuminating lamp, also there are some problems needing to overcome in the driving power of its chief component.

1, waterproof problem, increasing LED lamp is selected to work out of doors now, also be an acid test to driving power like this, present light fixture driving power be generally outer be exposed at surface, also more and more higher to the waterproof requirement of driving power like this, routine is all carry out waterproof by the mode of encapsulating.The outer like this driving being exposed at surface is exposed to the sun and rain will be risky.

2, normal driver output wire rod and input wire rod are all positioned at the centre position of side cover, and locking screw to like this driving and light fixture makes troubles.

3, existing driving power shape is single, and LED lamp driving power profile conventional is at present more single, if be exposed at light fixture outside outside driving, can affect the installation of light fixture like that, and also unsightly.

4, in addition, current driving power screw is more, bring inconvenience, and efficiency is low to production.

For the problems referred to above, the utility model proposes a kind of simple assembled can the driving power of dual waterproof.

Utility model content:

Technical problem to be solved in the utility model is just to overcome the deficiencies in the prior art, provides a kind of simple assembled can the driving power of dual waterproof.

In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: this water type driving power anti-comprises: a cylindrical case, the lid coordinated with outer cover port and the circuit board assemblies be installed in closure casing that shell and lid form, and the power line be connected with circuit board assemblies is passed by the through hole that lid is offered; The relative two sides of described shell inwardly form depression or projection; Described lid correspondence depression or the dual-side of projection form inside recess or convex-concave position.

Furthermore, in technique scheme, described lid forms the dual-side of recess or convex-concave position and upper side edge and is formed with to the direction of shell the inner side edge coordinated with outer shell outer wall.

Furthermore, in technique scheme, the lower side described lid not being formed inner side edge has extended to form outer side edges along the direction contrary with inner side edge.

Furthermore, in technique scheme, described outer side edges is formed with fixing hole position.

Furthermore, in technique scheme, described lid lower side is formed with three sections of outer side edges, wherein said position, hole, location is opened in middle outer side edges.

Furthermore, in technique scheme, described circuit board assemblies by encapsulating integral packaging in the enclosure.

Furthermore, in technique scheme, between described lid and shell, be provided with O-ring seal.

Furthermore, in technique scheme, described O-ring seal inner edge forms inside flange.

Furthermore, in technique scheme, described lid is fixedly connected with by screw with between shell.

The utility model adopts technique scheme, and first, what two sides of shell of the present utility model adopted is arcuate flanks, and corresponding lid adopts arc-shaped side edges equally.And the two sides of existing design housing adopt usually is plane, when adopting planar design, during two side-fit of lid and shell, mating surface is two planes, when occurring expanding with heat and contract with cold, differing due to the deformation rate of expanding with heat and contract with cold between plane, gap will be produced, cause waterproof failure, and the utility model have employed cambered surface cooperation, and the general cambered surface adopting indent, when occurring expanding with heat and contract with cold, both distortion military orders that the arc-shaped side edges of housing arcuate flanks and lid produces are fitted more closely, gap can not be produced, effectively prevent entering of moisture.

In addition, lid three limit in the utility model is reach cover shape after bending technique, and bottom is then the assembling position of Curved, can reach simple embedded assembling like this with radiator.Lid conventional relatively at present will lock four screws, the design of this side cover can reach the effect of only locking two screws, because three Edge Bends strengthen the dynamics of side cover, make it just can reach the effect of four screws with two screws, can enhance productivity.

Finally, originally because circuit board is encapsulated in box body by the mode of encapsulating, water-proof function is strengthened further; In addition, waterproof apron periphery forms flange, is enclosed the periphery of housing, strengthen water-proof function like this by flange.

The utility model can be and meets that different outdoor location uses: advertising lighting, area illumination, throw light in sports center, building accent lighting, the multiple different outdoor location such as road lighting.

Accompanying drawing illustrates:

Fig. 1 is the stereogram of the utility model using state;

Fig. 2 is the utility model stereogram;

Fig. 3 is this left view of the present utility model;

Fig. 4 is the utility model vertical view;

Fig. 5 is the utility model three-dimensional exploded view;

Fig. 6 is overview after the utility model assembling;

Embodiment:

Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.

See shown in Fig. 2-6, the utility model is a kind of water proof type driving power, it comprises: a cylindrical case 25, the lid 24 coordinated with shell 25 port and the circuit board assemblies be installed in closure casing that shell 25 and lid 24 form, the power line 21,22 be connected with circuit board assemblies is passed by the through hole 240 that lid 24 is offered.

Described shell 25 is in tubular, and its cross section is a similar rectangular shape, and the relative two sides of its housing 25 inwardly form depression 251.

Described lid 24 is fixed on the port of shell 25, and the dual-side of lid 24 correspondence depression 251 forms recess 241.Lid 24 forms the dual-side of recess 241 and upper side edge and is formed with to the direction of shell 25 inner side edge 242 coordinated with shell 25 outer wall.Lower side lid 24 not being formed inner side edge 242 has extended to form outer side edges 243 along the direction contrary with inner side edge 242.Described outer side edges 243 is formed with fixing hole position 244.Lid 24 lower side is formed with three sections of outer side edges, these three sections of outer side edges form the distribution that just rises and falls, and wherein said position, hole, location 244 is opened in middle outer side edges.

Two sides of shell 25 of the present utility model are formed with depression 251, and what namely shell 25 adopted is arcuate flanks, and corresponding lid 24 adopts arc-shaped side edges equally.The utility model have employed cambered surface and coordinates, and the general cambered surface adopting indent, when occurring expanding with heat and contract with cold, both distortion military orders that the arc-shaped side edges of housing 25 arcuate flanks and lid 24 produces are fitted more closely, can not gap be produced, effectively prevent entering of moisture.

In addition, lid 24 inner side edge 242 3 limit in the utility model is reach cover shape after bending technique, and the outer side edges 243 of bottom is the assembling position of Curved, can reach simple embedded assembling like this.Lid conventional relatively at present will lock four screws, design of the present utility model can reach the effect of only locking two screws, because inner side edge 242 bending that triangle becomes strengthens the dynamics of lid 24, make it just can reach the effect of four screws with two screws, can enhance productivity.In addition, be fixed on radiator 1 by outer side edges 243 by the utility model, as shown in Figure 1, and the outer side edges of syllogic can form the effect of inlay card.

Lid 24 in the utility model offers the through hole 240 that power supply source line 21,22 passes, this through hole 240 is partial to the side of lid 24.Adopt this set to be produce to interfere when screw locked by power line 21,22 and light fixture, can enhance productivity.

In order to ensure the water-proof sealing between lid 24 and shell 25, between described lid 24 and shell 25, be provided with O-ring seal 26.Sealing cushion rubber 26 inner edge forms inside flange 261, is embedded in the outer wall of shell 25 by flange 261, then at compression decline shell 25 port sealing of lid 24.Waterproof apron 26 is designed to step shape, and lid 24 can be surrounded, anti-sealing enters in the die cavity of shell 25 from the side.

Described lid 24 is fixedly connected with by screw 23 with between shell 25.

In order to improve waterproof effect further, circuit board assemblies of the present utility model passes through encapsulating integral packaging in shell 25.Will fill with AB glue inside production process housing 25, AB glue can play the effect of waterproof, and forms protection to circuit board assemblies.Meanwhile, the screw hole that shell 25 is connected with lid 24 is positioned at shell side, does not contact with shell 25 inner chamber, can spend exhausted water like this and enter in shell 25 die cavity from screw hole.

In above-described embodiment, the relative two sides of described shell 25 inwardly form depression 251, also can adopt reverse design, and namely two sides outwards form projection relatively, and the side of corresponding lid 24 forms convex position.Certainly, shell 25 adopts the design of depression 251 can reach better waterproof effect.

Claims

1. water proof type driving power, this driving power (2) comprising: a cylindrical case (25), the lid (24) coordinated with shell (25) port and the circuit board assemblies be installed in closure casing that shell (25) and lid (24) form, and the power line be connected with circuit board assemblies (21,22) is passed by the through hole (240) that lid (24) is offered; It is characterized in that:

The relative two sides of described shell (25) inwardly form depression (251) or projection; Described lid (24) correspondence depression (251) or the dual-side of projection form recess (241) or convex position.

2. water proof type driving power according to claim 1, is characterized in that: described lid (24) forms the dual-side of recess (241) or convex position and upper side edge and is formed with to the direction of shell (25) inner side edge (242) coordinated with shell (25) outer wall.

3. water proof type driving power according to claim 2, is characterized in that: the lower side described lid (24) not being formed inner side edge (242) has extended to form outer side edges (243) along the direction contrary with inner side edge (242).

4. water proof type driving power according to claim 3, is characterized in that: described outer side edges (243) is formed with fixing hole position (244).

5. water proof type driving power according to claim 4, is characterized in that: described lid (24) lower side is formed with three sections of outer side edges, and wherein said fixing hole position (244) is opened in middle outer side edges.

6. water proof type driving power according to claim 1, it is characterized in that: described lid (24) offers the through hole (240) that power supply source line passes, the side of this through hole (240) deflection lid (24).

7. water proof type driving power according to claim 1, is characterized in that: described circuit board assemblies passes through encapsulating integral packaging in shell (25).

8. according to the water proof type driving power in claim 1-7 described in any one, it is characterized in that: between described lid (24) and shell (25), be provided with O-ring seal (26).

9. water proof type driving power according to claim 8, is characterized in that: described O-ring seal (26) inner edge forms inside flange (261).

10. water proof type driving power according to claim 8, is characterized in that: described lid (24) is fixedly connected with by screw (23) with between shell (25).