CN210373072U - Waterproof type LED projecting lamp - Google Patents

Abstract

The utility model discloses a waterproof type LED projecting lamp, it includes that projecting lamp body and waterproof cladding glue, and the inner chamber of projecting lamp body is provided with the strip that absorbs water, and a plurality of draw-in grooves have been seted up to the surface of projecting lamp body, and waterproof cladding glue is provided with a plurality of sealing strips, and waterproof cladding glue surrounds the projecting lamp body, and each sealing strip card of waterproof cladding glue locates a draw-in groove and with the internal surface looks butt of draw-in groove. According to the waterproof LED projection lamp, the water absorption strip is arranged in the projection lamp body, so that water vapor in the inner cavity of the projection lamp body can be removed, and the influence of condensed water on the lamp panel is eliminated; attached waterproof cladding glue spare on the projecting lamp body, the sealing strip of waterproof cladding glue spare carries out the shutoff to the gap between projecting lamp body and the waterproof cladding glue spare, can realize the comprehensive cladding to projecting lamp body surface to inside preventing rainwater infiltration projecting lamp body, with the normal work of guaranteeing the lamp plate, prolong its life, and improved the security that the LED projecting lamp used.

Description

Waterproof type LED projecting lamp

Technical Field

The utility model relates to a LED lighting technology field especially relates to a waterproof type LED projecting lamp.

Background

An LED projector, also called a spotlight, is a lamp for improving the illumination intensity of a designated illuminated surface to improve the illumination condition of the illuminated surface. The LED projection lamp has a large corner, can be adjusted to aim at any direction, emits light with strong penetrating power and is not influenced by weather conditions, so that the LED projection lamp is widely applied to illumination of outdoor places such as large-area operation fields, mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like.

However, the conventional LED projection lamp is mostly used in outdoor environments, for example, when the LED projection lamp is fixed on a lawn in a park, rainwater easily enters into a lamp tube of the LED projection lamp during raining, so that internal circuits of the LED projection lamp are short-circuited, normal use of the LED projection lamp is affected, the service life of the LED projection lamp is shortened, and pedestrian electric shock accidents are caused, so that potential safety hazards are high; in addition, when installing the LED projecting lamp, remain partial steam in the lamp section of thick bamboo, when there is the difference in temperature inside and outside the lamp section of thick bamboo, this partial steam is apt to meet the condensation knot on the light-passing board of LED projecting lamp, and then assembles on the lamp pearl of drippage, because lamp pearl working process generates heat, the lamp pearl that generates heat descends and contracts fast with the contact back temperature of condensate water, will accelerate the ageing rate of lamp pearl to further shorten the life of LED projecting lamp.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a waterproof LED projector for solving the technical problems of poor waterproof and dewatering effects.

A waterproof LED light projector comprises a light projector body and a waterproof coating rubber piece, wherein the light projector body comprises a shell, a light transmission plate, a reflector, a lamp panel, a radiator and a support frame, a plurality of clamping grooves are formed in the outer surface of the shell, the shell is provided with a containing cavity, one end surface of the shell is provided with a lighting port, the other end surface of the shell is provided with a heat dissipation port and a wiring hole, the lighting port, the heat dissipation port and the wiring hole are respectively communicated with the containing cavity, the light transmission plate, the reflector, the lamp panel and the radiator are respectively contained in the containing cavity, the light transmission plate is positioned at the lighting port and connected with the shell, the reflector is provided with a large-diameter end and a small-diameter end, the large-diameter end is abutted against the edge of the lighting port, a water absorption strip is arranged at the abutted against the edge of the heat dissipation port at the large-diameter end, the lamp panel is arranged at the small, the radiator penetrates through the radiating opening and is abutted against the edge of the radiating opening, and the support frame is rotatably connected with the shell. The waterproof coating rubber piece surrounds the shell and is abutted against the shell, the waterproof coating rubber piece is provided with a plurality of sealing strips, and each sealing strip of the waterproof coating rubber piece is clamped in one clamping groove and is abutted against the inner surface of the clamping groove.

In one embodiment, the light-transmitting plate is provided with a ring groove, the waterproof coating rubber piece is provided with a rubber strip corresponding to the ring groove, and the rubber strip is clamped in the ring groove and is abutted against the inner surface of the ring groove.

In one embodiment, the surface of the waterproof coating rubber piece positioned outside the lighting opening and the plane where the light-transmitting plate is positioned form an obtuse angle.

In one embodiment, the obtuse angle formed by the surface of the waterproof coating rubber piece positioned outside the lighting opening and the plane where the light-transmitting plate is located ranges from 100 degrees to 150 degrees.

In one embodiment, the ratio of the width of the absorbent strip to the distance from the large diameter end to the small diameter end is less than 0.1.

In one embodiment, a sealing ring is disposed at the heat dissipation opening, an outer surface of the sealing ring abuts against an inner surface of the heat dissipation opening, and an inner surface of the sealing ring abuts against the heat sink.

In one embodiment, the sealing ring is bonded to the inner surface of the heat sink.

In one embodiment, expansive soil is filled between the sealing ring and the heat radiator.

In one embodiment, an arc-shaped light-transmitting cover is further arranged in the reflector, the arc-shaped light-transmitting cover is arranged between the lamp panel and the large-diameter end, and the arc-shaped light-transmitting cover surrounds the lamp panel.

In one embodiment, the shell comprises a back cover and a panel, the back cover is connected with the panel, the back cover is provided with a heat dissipation opening and a wiring hole, and the panel is provided with a lighting opening.

According to the waterproof LED projection lamp, the water absorption strip is arranged in the projection lamp body, so that water vapor in the inner cavity of the projection lamp body can be removed, and the influence of condensed water on the work of the projection lamp body is eliminated; attached waterproof cladding glue on the projecting lamp body, the sealing strip of waterproof cladding glue carries out the shutoff to the gap between projecting lamp body and the waterproof cladding glue, can realize the comprehensive cladding to projecting lamp body surface to inside preventing rainwater infiltration projecting lamp body, with the normal work of guaranteeing the projecting lamp body, prolong its life, and improved the security that LED projecting lamp used.

Drawings

Fig. 1 is a schematic structural diagram of a waterproof LED projector according to an embodiment;

FIG. 2 is a schematic view of another view angle of the waterproof LED projector according to an embodiment;

FIG. 3 is a schematic cross-sectional view of A-A in the embodiment of FIG. 2;

fig. 4 is an exploded view of the waterproof LED projector according to an embodiment;

FIG. 5 is a schematic diagram of the construction of the back cover in one embodiment;

FIG. 6 is a schematic diagram of a panel according to an embodiment;

FIG. 7 is a schematic view of a structure of a lamp panel in one embodiment;

fig. 8 is a partially enlarged structural schematic view of the projector body in the embodiment shown in fig. 4.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Please refer to fig. 1 to 4 together, the utility model provides a waterproof type LED projecting lamp 10, this waterproof type LED projecting lamp 10 includes projecting lamp body 100 and waterproof cladding glue 200, projecting lamp body 100 includes casing 110, light-passing board 120, reflector 130, lamp plate 140, radiator 150 and support frame 160, a plurality of draw-in grooves 170 have been seted up to casing 110's surface, casing 110 has a holding chamber 111, illumination mouth 112 has been seted up to casing 110's a terminal surface, thermovent 113 and wiring hole 114 have been seted up to casing 110's another terminal surface, illumination mouth 112, thermovent 113 and wiring hole 114 communicate with holding chamber 111 respectively, light-passing board 120, reflector 130, lamp plate 140 and radiator 150 are acceptd respectively in holding chamber 111. The light-transmitting plate 120 is located at the lighting port 112 and connected with the casing 110, the reflector 130 has a large diameter end and a small diameter end, the large diameter end abuts against the edge of the lighting port 112, the large diameter end abuts against the lighting port 112 and is provided with a water absorbing strip 180, the small diameter end abuts against the edge of the heat dissipation port 113, the lamp panel 140 is arranged at the small diameter end and is connected with the reflector 130, the heat sink 150 is connected with the lamp panel 140, the heat sink 150 penetrates through the heat dissipation port 113 and abuts against the edge of the heat dissipation port 113, and the support frame 160 is rotatably connected with the casing 110. The waterproof coating rubber member 200 surrounds the housing 110 and abuts against the housing 110, the waterproof coating rubber member 200 is provided with a plurality of sealing strips 210, and each sealing strip 210 is clamped in one clamping groove 170 and abuts against the inner surface of the clamping groove 170.

According to the waterproof LED projection lamp 10, the water absorption strip 180 is arranged in the projection lamp body 100, so that water vapor in the inner cavity of the projection lamp body 100 can be removed, and the influence of condensed water on the work of the projection lamp body 100 can be eliminated; attached waterproof cladding glue part 200 on projecting lamp body 100, waterproof cladding glue part 200's sealing strip 210 carries out the shutoff to projecting lamp body 100 and the waterproof gap between the cladding glue part 200, can realize the comprehensive cladding to projecting lamp body 100 surface to prevent inside rainwater infiltration projecting lamp body 100, with the normal work of guaranteeing projecting lamp body 100, prolong its life, and improved the security that LED projecting lamp used.

The projector body 100 is used for emitting light under the condition of switching on current, and provides illumination for the environment. The housing 110 is used for accommodating and fixing components such as the transparent plate 120, the reflector 130, the lamp panel 140, the heat sink 150, and the like, and meanwhile, foreign matters can be prevented from entering the accommodating cavity 111 and further damaging the components, so that the components are protected. Referring to fig. 5 and 6, in an embodiment, the housing 110 includes a rear cover 115 and a panel 116, the rear cover 115 is connected to the panel 116, the rear cover 115 is provided with a heat sink 113 and a wiring hole 114, and the panel 116 is provided with an illumination port 112, so that when the projector body 100 is assembled or disassembled, the rear cover 115 and the panel 116 are only required to be separated, the transparent plate 120 is abutted to the edge of the illumination port 112 of the panel 116, the lamp panel 140 is connected to the heat sink 150, the lamp panel 140 is fixed to the small-diameter end of the reflector 130, then the large-diameter end of the reflector 130 is abutted to the transparent plate 120, the small-diameter end of the reflector 130 is abutted to the edge of the heat sink 113, and finally the rear cover 115 and the panel 116 are fastened, so that the assembling operation of the projector body 100 and even the LED projector can be realized, the operation is simple in operation, and the. In one embodiment, the rear cover 115 is screwed with the panel 116, so that the assembly efficiency of the LED projection lamp can be improved while the stability of the connection between the rear cover 115 and the panel 116 is ensured.

Light-passing board 120 is used for separating holding chamber 111 and external environment, protects each part in holding chamber 111, still is used for wearing the light that penetrates lamp plate 140 course of operation sent simultaneously to the light that does benefit to lamp plate 140 and sends reaches the outside of LED projecting lamp smoothly, and then provides the illumination for the environment. In one embodiment, the transparent plate 120 is made of tempered glass. In another embodiment, the light-transmitting plate 120 is a transparent plastic plate. In the actual production process, the material of the transparent plate 120 can be selected arbitrarily under the condition of ensuring the transmittance and strength of the transparent plate 120, and will not be described herein. Referring to fig. 5, in an embodiment, the transparent plate 120 is provided with a ring groove 121, the waterproof coating adhesive member 200 has an adhesive tape 220 corresponding to the ring groove 121, and the adhesive tape 220 is clamped in the ring groove 121 and abuts against an inner surface of the ring groove 121. Like this, after adhesive tape 220 inserted and locates annular groove 121, adhesive tape 220 will be restricted in annular groove 121 under the restraint of annular groove 121 internal surface, and adhesive tape 220 is difficult for following annular groove 121 and extracts to improve the stability that waterproof cladding glue spare 200 and light-passing board 120 are connected, guaranteed projecting lamp body 100's leakproofness and waterproof nature. In one embodiment, an obtuse angle is formed between the surface of the waterproof sealant 200 located outside the illumination opening 112 and the plane of the light-transmitting plate 120, and preferably, the obtuse angle formed between the surface of the waterproof sealant 200 located outside the illumination opening 112 and the plane of the light-transmitting plate 120 is between 100 degrees and 150 degrees. Therefore, the joint of the waterproof coating rubber piece 200 and the light-transmitting plate 120 can be prevented from forming a crack, rainwater is further prevented from accumulating in the crack, when the rainwater splashes on the light-transmitting plate 120, the rainwater slides down along the light-transmitting plate 120 and the waterproof coating rubber piece 200 under the action of gravity, the residual quantity of the rainwater at the joint of the light-transmitting plate 120 and the waterproof coating rubber piece 200 is very small, and the influence of the rainwater on the LED projection lamp is reduced. In addition, if the included angle between the surface of the waterproof coating rubber member 200 located outside the lighting opening 112 and the plane of the light-transmitting plate 120 is continuously increased, the waterproof coating rubber member 200 blocks the light, so as to affect the illumination intensity of the LED projection lamp, therefore, on the premise of preventing the rainwater from remaining at the joint of the light-transmitting plate 120 and the waterproof coating rubber member 200, the included angle between the waterproof coating rubber member 200 and the surface of the light-transmitting plate 120 should not exceed 150 degrees.

Reflector 130 reflects the light that sends by lamp plate 140 and assembles to reduce the light energy loss of LED projecting lamp, improve light energy utilization ratio, like this, the light that sends by the LED projecting lamp can transmit to more remote distance, that is to say, enlarges the illumination zone of LED projecting lamp, has promoted the illuminating effect of LED projecting lamp. It should be noted that, the water absorbing strip 180 is disposed at the abutting position of the large-diameter end of the reflector 130 and the lighting port 112, and the water absorbing strip 180 can absorb water vapor remaining in the accommodating cavity 111, so that the accommodating cavity 111 is kept dry, and the influence of water mist formed on the light-transmitting plate 120 on the lamp panel 140 is avoided. In an embodiment, the reflector 130 is a hollow trapezoid structure, wherein one side of the rectangle with a larger area is a large diameter end, and one side of the rectangle with a smaller area is a small diameter end, the opening of the one side of the rectangle with a larger area of the reflector 130 of the trapezoid structure is provided, the one side of the rectangle with a smaller area is further provided with a yielding notch for installing the lamp panel 140, and the area of the yielding notch is smaller than the opening of the reflector 130. The design is convenient for realize the reflection of the larger area of light rays, so that the waterproof LED projection lamp has a higher lumen lighting effect.

In one embodiment, the absorbent strip 180 is made of a water absorbent resin. Have a large amount of hydrophilic groups in the resin absorbs water, when the steam in holding chamber 111 moved to the strip 180 that absorbs water, the hydrophilic group in the strip 180 that absorbs water combines with steam rapidly, forms a large amount of aquogel in the strip 180 that absorbs water, and separation in the aquogel was difficult followed to moisture to the clearance to moisture in holding chamber 111 has been realized. In one embodiment, the ratio of the width of the wicking strip 180 to the distance from the large diameter end to the small diameter end is less than 0.1. Like this, when the realization is cleaing away the operation to the indoor steam of holding chamber 111, can minimize because of the attached influence to reflector 130 spotlight operation on reflector 130 of strip 180 that absorbs water, that is to say, reduce the light energy loss of the light that lamp plate 140 sent in strip 180 department that absorbs water to guarantee light energy utilization. In an embodiment, an arc light-transmitting cover 131 is further disposed in the reflector 130, the arc light-transmitting cover 131 is disposed between the lamp panel 140 and the large-diameter end, and the arc light-transmitting cover 131 surrounds the lamp panel 140. Preferably, the arc-shaped light-transmitting cover 131 is integrally formed with the light reflector 130. Through set up arc printing opacity cover 131 between lamp plate 140 and big footpath end, can prevent that remaining steam from meeting the condensation knot in holding chamber 111, and then dripping on lamp plate 140, cause the short circuit of lamp plate 140 to further promote lamp plate 140's waterproof nature.

The lamp panel 140 is electrically connected to an external power source, and emits light when the external power source is turned on, and provides illumination for the environment. Referring to fig. 7, in an embodiment, the lamp panel 140 includes a mounting plate 141 and a plurality of lamp beads 142, the mounting plate 141 is disposed at the small diameter end of the reflector 130 and is abutted against the inner surface of the reflector 130, the plurality of lamp beads 142 are uniformly distributed and fixed on the mounting plate 141, and the lamp beads 142 are connected in parallel and electrically connected to an external power source. Therefore, after the lamp bead 142 is connected with an external power supply, the terminal voltage of a p-n junction in the lamp bead 142 forms a certain potential barrier, when a forward bias voltage is applied, the potential barrier is lowered, most carriers in a p region and an n region diffuse to each other, as the electron mobility is much higher than the hole mobility, a large number of electrons diffuse to the p region, so that the electrons become a part of the carriers in the p region, and then the electrons are recombined with holes on a valence band, and huge energy is excited in the recombination process and released in the form of light energy, so that illumination is provided for the environment.

Referring to fig. 8, in an embodiment, a snap ring 132 is disposed at the small diameter end of the reflector 130, the snap ring 132 is disposed with a snap groove 132a, and the edge of the mounting plate 141 is inserted into the snap groove 132a and connected to the reflector 130, preferably, the snap ring 132 is made of soft rubber. It can also be understood that, after the mounting plate 141 is inserted into the fastening groove 132a, the edge of the fastening groove 132a covers the mounting plate 141, and blocks the gap between the mounting plate 141 and the fastening groove 132a, so as to block the flowing channel of the rainwater between the lamp panel 140 and the reflector 130, thereby improving the sealing performance and the waterproof performance of the LED projector.

The heat sink 150 is used for conducting heat generated by the lamp panel 140 during operation, and conducting the heat out of the accommodating cavity 111 to the external environment, so that the problem of aging failure of the lamp panel 140 and other components caused by heat accumulation in the accommodating cavity 111 is reduced, and the service life of the LED projection lamp is prolonged. In one embodiment, a sealing ring 190 is disposed at the heat dissipating opening 113, an outer surface of the sealing ring 190 abuts against an inner surface of the heat dissipating opening 113, and an inner surface of the sealing ring 190 abuts against the heat sink 150. By arranging the sealing ring 190 between the heat sink 150 and the heat dissipation port 113, a gap between the heat sink 150 and the heat dissipation port 113 can be blocked, so that rainwater is prevented from entering the accommodating cavity 111 through the gap, and the waterproofness of the LED projection lamp is further improved. In one embodiment, the sealing ring 190 is bonded to the inner surface of the heat dissipation opening 113. In another embodiment, the sealing ring 190 is threadedly coupled to the inner surface of the heat discharging port 113. It can also be understood that the sealing ring 190 is detachably connected to the housing 110, so that when the sealing ring 190 fails, the sealing ring 190 can be replaced by itself to reduce the use cost of the LED projector. In one embodiment, expansive soil is filled between the sealing ring 190 and the heat sink 150. Through filling the inflation soil between sealing ring 190 and radiator 150, at the in-process of radiator 150 heat conduction, the inflation soil is heated and is expanded fast to fill the gap between sealing ring 190 and radiator 150, further blocked the flow path of rainwater, improved the leakproofness and the waterproof nature of LED projecting lamp.

Waterproof cladding glue piece 200 is used for cladding projecting lamp body 100, carries out the shutoff to the gap on casing 110 to prevent that the rainwater from entering into the inside in the holding chamber 111 of casing 110 along the gap, in order to guarantee the inside drying of projecting lamp body 100. It should be noted that, the utility model discloses a last first through-hole 230 with illumination opening 112, 113 and the wiring hole 114 intercommunication of thermovent and wiring hole are seted up respectively of waterproof cladding glue spare 200, second through-hole 240 and third through-hole 250, like this, the light that is sent by lamp plate 140 can penetrate first through-hole 230 and to the ambient lighting, the surface of radiator 150 can with the edge looks butt of second through-hole 240, the cable can with the edge looks butt of third through-hole 250, that is to say, waterproof cladding glue spare 200 carries out the shutoff to the gap of each hole department on casing 110, thereby the contact of rainwater and projecting lamp body 100 inner parts has been blocked.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A waterproof LED projection lamp is characterized by comprising a projection lamp body and a waterproof coating rubber piece,

the project lamp body comprises a shell, a light-passing board, a reflector, a lamp panel, a radiator and a support frame, wherein a plurality of clamping grooves are formed in the outer surface of the shell, the shell is provided with an accommodating cavity, one end face of the shell is provided with a lighting port, the other end face of the shell is provided with a heat-dissipating port and a wiring hole, the lighting port, the heat-dissipating port and the wiring hole are respectively communicated with the accommodating cavity, the light-passing board, the reflector, the lamp panel and the radiator are respectively accommodated in the accommodating cavity, the light-passing board is positioned at the lighting port and connected with the shell, the reflector is provided with a large-diameter end and a small-diameter end, the large-diameter end is abutted against the edge of the lighting port, a water absorbing strip is arranged at the abutted part of the large-diameter end and the lighting port, the small-diameter end is abutted against the edge of the heat-dissipating port, and the, the radiator is back to the lighting opening and connected with the lamp panel, the radiator penetrates through the heat dissipation opening and abuts against the edge of the heat dissipation opening, and the support frame is rotatably connected with the shell;

the waterproof coating rubber piece surrounds the shell and is abutted against the shell, the waterproof coating rubber piece is provided with a plurality of sealing strips, and each sealing strip of the waterproof coating rubber piece is clamped in one clamping groove and is abutted against the inner surface of the clamping groove.

2. The waterproof LED spot light of claim 1, wherein the light-transmitting plate is provided with a ring groove, the waterproof coating rubber member is provided with a rubber strip corresponding to the ring groove, and the rubber strip is clamped in the ring groove and abuts against the inner surface of the ring groove.

3. The waterproof LED project lamp according to claim 2, wherein an obtuse angle is formed between the surface of the waterproof rubber coating member located on the outer side of the lighting opening and the plane where the light-transmitting plate is located.

4. The waterproof LED spot light of claim 3, wherein an obtuse angle formed by a surface of the waterproof rubber covering member on the outer side of the lighting opening and a plane where the light-transmitting plate is located is between 100 and 150 degrees.

5. The waterproof LED floodlight according to claim 1, wherein the ratio of the width of the water-absorbing strip to the distance from the large-diameter end to the small-diameter end is less than 0.1.

6. The waterproof LED spot light of claim 1 wherein a sealing ring is disposed at the heat sink, an outer surface of the sealing ring abuts an inner surface of the heat sink, and an inner surface of the sealing ring abuts the heat sink.

7. The waterproof LED floodlight according to claim 6, wherein the sealing ring is bonded to an inner surface of the heat dissipating port.

8. The waterproof LED floodlight according to claim 6, wherein expansive soil is filled between the sealing ring and the heat sink.

9. The waterproof LED projection lamp according to claim 1, wherein an arc-shaped light-transmitting cover is further arranged in the reflector, the arc-shaped light-transmitting cover is arranged between the lamp panel and the large-diameter end, and the arc-shaped light-transmitting cover surrounds the lamp panel.

10. The waterproof LED spot light of any one of claims 1 to 9, wherein the housing comprises a rear cover and a panel, the rear cover is connected to the panel, the rear cover is provided with the heat dissipation opening and the wiring hole, and the panel is provided with the illumination opening.

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