CN115355456A

CN115355456A - Waterproof light source assembly for photographic lamp

Info

Publication number: CN115355456A
Application number: CN202211269949.2A
Authority: CN
Inventors: 李晓敏
Original assignee: Guangdong Nanguang Television Equipment Co ltd
Current assignee: Guangdong Nanguang Television Equipment Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2022-11-18
Anticipated expiration: 2042-10-18
Also published as: CN115355456B

Abstract

The invention discloses a waterproof light source assembly for a photographic lamp, which comprises a temperature equalizing plate assembly, a COB light source attached to the temperature equalizing plate assembly, a light source cover plate arranged on the temperature equalizing plate assembly and used for fixing the COB light source, a light-transmitting lens arranged on the light source cover plate and a lens cover plate arranged on the light source cover plate and used for pressing the edge of the light-transmitting lens, wherein a first sealing ring surrounding the COB light source is arranged between the light source cover plate and the temperature equalizing plate assembly, a wiring groove which corresponds to a wiring electrode of the COB light source and is used for connecting an external lead with the wiring electrode is formed in the light source cover plate, sealant is filled in the wiring groove, the light-transmitting lens is arranged on a containing position of the light source cover plate, the containing position and the light-transmitting lens form an adjoining position at the opposite side wall, and a second sealing ring is arranged above the adjoining position and is pressed by the lens cover plate. The invention adopts the common sealing ring and the sealant with relatively simple structure and smaller size to complete the waterproof sealing of the light source, and has simple structure and convenient processing and assembly.

Description

Waterproof light source assembly for photographic lamp

Technical Field

The invention relates to a light source component, in particular to a waterproof light source component for a photographic lamp.

Background

The photography lamp is widely applied to the photography field, and a user can create an illumination environment meeting the actual shooting requirement by adjusting parameters such as color temperature and brightness of light emitted by the photography lamp. Some shooting occasions are carried out outdoors or in a wet environment, and certain waterproof capability is required for the shooting lamp, particularly for a light source part.

Some existing light sources have adopted waterproof technologies, such as CN107401683A, a chinese patent document named LED light source device, which discloses a light source structure with a uniform temperature plate, a light emitting module, a waterproof pad, a second housing, a lens, a waterproof ring, and a lens cover plate frame on a first housing in sequence. The waterproof pad arranged on the first shell and the second shell achieves the sealing and waterproof effects by filling the space between the first shell and the second shell, but the waterproof pad needs to be matched with the space structure between the first shell and the second shell and the structures of other components passing through the space between the first shell and the second shell, so that the overall appearance structure of the waterproof pad becomes very complicated and has larger size. Therefore, the waterproof technology adopted by the light source device is complex in structure on the whole and inconvenient to process and assemble.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the waterproof photographic lamp light source with a simple structure.

The technical scheme adopted by the invention for solving the problems is as follows:

the utility model provides a waterproof light source subassembly for photography luminaire, includes the samming board subassembly, laminate COB light source on the samming board subassembly, locate being used for on the samming board subassembly fixed COB light source apron, arrange the printing opacity lens on the light source apron in and locate the lens apron that is used for pushing down the printing opacity lens edge on the light source apron, be provided with the first sealing washer around the COB light source between light source apron and the samming board subassembly, set up the wiring groove that is used for the wiring electrode to connect the external conductor that corresponds with the wiring electrode of COB light source on the light source apron, the wiring inslot is filled with sealed glue, the printing opacity lens is arranged in on the position of holding of light source apron, hold position and printing opacity lens and locate to form adjacent department in relative lateral wall, the top of adjacent department is provided with the second sealing washer and the second sealing washer is compressed tightly by the lens apron.

The improved COB light source is further improved, the wiring electrodes are multiple and are divided into two parts in a centralized mode, the two wiring electrodes are arranged on the left side and the right side of the COB light source respectively, and the number of the wiring grooves is two and corresponds to the wiring electrodes on the left side and the right side respectively.

In a further improvement, the wiring slot comprises a slot hole penetrating through the upper surface and the lower surface of the light source cover plate and a wire guide hole arranged on the side surface of the light source cover plate and communicated with the slot hole.

The improvement is further realized, the lower surface of the light source cover plate around the slotted hole is tightly attached to the upper surface of the COB light source around the corresponding wiring electrode, and the lower surface of the lens cover plate is tightly attached to the upper surface of the light source cover plate around the slotted hole.

The improved structure is characterized in that the lens cover plate is provided with glue injection holes communicated with the wiring groove, and the sealant is formed by condensation after being injected into the wiring groove through the glue injection holes.

Further improve, both sides all are provided with the wire grip that is used for compressing tightly outside wire about the samming board subassembly.

In a further improvement, the upper surface of the light source cover plate at the adjacent position is flush with the upper surface of the light-transmitting lens at the adjacent position, a groove opposite to the adjacent position is formed in the lower surface of the lens cover plate, and the second sealing ring is arranged in the groove.

In a further improvement, the side walls of the adjacent positions of the accommodating position and the light-transmitting lens are provided with chamfers, the chamfers of the accommodating position and the light-transmitting lens form a structure with a V-shaped or U-shaped cross section, and the second sealing ring is arranged between the two chamfers.

The improved lens cover plate further comprises a plurality of screws, the screws sequentially penetrate through the lens cover plate and the light source cover plate and are locked with the temperature equalizing plate assembly, and a third sealing ring is further arranged between the screws and the lens cover plate.

The invention has the beneficial effects that: according to the invention, the first sealing ring is arranged between the temperature equalizing plate component and the light source cover plate, the second sealing ring is arranged above the adjacent position of the accommodating position and the light-transmitting lens, and as the second sealing ring only blocks a water seepage gap between the accommodating position and the opposite side wall of the light-transmitting lens, the common sealing ring with a circular section can be adopted as the first sealing ring, and the wiring groove corresponds to the wiring electrode, and the sealant only needs to seal the wiring position of the COB light source. The invention adopts the common sealing ring and the sealing glue with relatively simple structure and smaller size to finish the waterproof sealing of the light source, and has simple integral structure and convenient processing and assembly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective exploded view of the present invention;

FIG. 3 is a schematic view of the present invention in partial cross-section and enlarged perspective view without sealant injection;

FIG. 4 is a first embodiment of the invention of the accommodation site and the abutment of the clear lens;

fig. 5 is a second embodiment of the invention where the receiving site and clear lens abut.

Detailed Description

The idea, specific structure and technical effects of the invention will be described in detail below with reference to the embodiments and the accompanying drawings to fully understand the objects, features and effects of the invention. The technical characteristics in the invention can be interactively combined to form a new embodiment on the premise of not conflicting with each other.

The waterproof photographic lamp light source assembly shown in fig. 1 to 5 comprises a temperature equalizing plate assembly 1 and a COB light source 2 attached to the temperature equalizing plate assembly 1, wherein the temperature equalizing plate assembly 1 generally comprises a fixed base 11 and a temperature equalizing plate 12 arranged on the fixed base 11, and the fixed base 11 and the temperature equalizing plate 12 are tightly matched and have a sealing and waterproof effect. The vapor chamber 12 can rapidly transfer heat generated by the COB light source 2 to all parts of the vapor chamber 12, so as to further transfer the heat to a heat sink. COB light source 2 carries out spacing fixed through setting up light source apron 3 on samming board subassembly 1, is provided with on the light source apron 3 and holds the position for lay printing opacity lens 4, and still be equipped with lens apron 5 on the light source apron 3, the edge that printing opacity lens 4 can be pushed down to lens apron 5 prevents that it from droing.

Be provided with first sealing washer 6 between light source apron 3 and the temperature-uniforming plate subassembly 1, this first sealing washer 6 is around COB light source 2, prevents that moisture from the gap infiltration between light source apron 3 and the temperature-uniforming plate subassembly 1. The light source cover plate 3 is provided with a wiring groove 31, the wiring groove 31 is used for facilitating the connection of the wiring electrode 21 with an external lead during assembly, the wiring groove 31 corresponds to the wiring electrode 21 of the COB light source 2 and has a size slightly larger than the size of the wiring electrode 21, and furthermore, the wiring groove 31 is filled with sealant 7 to prevent short circuit caused by moisture permeation.

The light source cover plate 3 is further provided with a containing position for placing the light-transmitting lens 4, the containing position and the light-transmitting lens 4 form an adjoining position 100 at the opposite side wall, the light-transmitting lens 4 and the containing position of the actual structure are in clearance fit, the adjoining position 100 is a gap between the two, moisture is easy to permeate from the gap, and therefore the second sealing ring 8 is arranged above the adjoining position 100, namely the opening of the gap between the containing position and the light-transmitting lens 4, the lens cover plate 5 is utilized to compress the second sealing ring 8, the opening of the gap is sealed after the second sealing ring 8 is deformed, and the waterproof effect is achieved. The second sealing ring 8 and the first sealing ring 6 can be effectively sealed by common sealing rings with circular or square cross sections, and preferably sealing rings with circular cross sections are adopted.

In the actual structure of the COB light source 2, the plurality of wiring electrodes 21 are provided, and it is preferable that all the wiring electrodes 21 are collectively divided into two parts, and the two wiring electrodes 21 are respectively disposed on the left and right sides of the COB light source 2, so as to facilitate wiring. Meanwhile, the number of the wiring grooves 31 is two, and corresponds to the wiring electrodes 21 at the two left and right positions, respectively. After the wiring electrode 21 is connected with an external lead, glue is injected into the two wiring grooves 31 respectively to be condensed to form the sealant 7, and sealing and water proofing can be completed.

In addition, the wiring slot 31 comprises a slot hole 311 and a wire hole 312, wherein the slot hole 311 penetrates through the upper and lower surfaces of the light source cover plate 3, so that the wiring electrode 21 can be seen from the slot hole 311, and the wiring is convenient to operate, the wire hole 312 is arranged on the side surface of the light source cover plate 3 and is communicated with the slot hole 311, an external wire can extend into the slot hole 311 from the wire hole 312 to be wired, and meanwhile, the wire hole 312 can play a good limiting role in the wire after glue injection, and the phenomenon that sealing failure is caused by shaking is prevented.

After the installation, the light source cover 3 is disposed on the upper surface of the COB light source 2 around the corresponding wiring electrode 21 around the slot hole 311, and the lower surface of the lens cover 5 is closely attached to the upper surface of the light source cover 3 around the slot hole 311. Therefore, the upper opening and the lower opening of the slot hole 311 can be shielded, the whole wiring slot 31 is filled with the minimum glue amount after glue injection is facilitated, and meanwhile, the periphery is sealed to achieve a more effective sealing and waterproof effect. During glue injection, glue can be injected from the wire holes 312, in order to further facilitate glue injection, the lens cover plate 5 is provided with a special glue injection hole 51, the glue injection hole 51 is communicated with the wiring slot 31, and during glue injection, the glue is injected from the glue injection hole 51 to the wiring slot 31 until the whole slot hole 311 and the wire holes 312 are filled. In addition, wire pressing devices 13 are arranged on the left side and the right side of the temperature equalizing plate assembly 1 and used for pressing external wires to further fix the wires, so that the wires are not prone to shaking in the using process to cause sealing failure of the sealant 7.

Referring to fig. 4, the upper surface of the light source cover 3 at the adjacent position 100 is flush with the upper surface of the light-transmitting lens 4 at the adjacent position 100, and the lower surface of the lens cover 5 opposite to the adjacent position 100 is provided with a groove 52, and the groove 52 is used for installing the second sealing ring 8. After the integral assembly, the second sealing ring 8 is aligned with the abutting part 100 and can deform under the extrusion of the lens cover plate 5 to seal the opening of the abutting part 100, so that the sealing is formed between the lens cover plate 5 and the light source cover plate 3 and between the lens cover plate 5 and the light-transmitting lens 4, and the sealing requirements of two parts are met through the second sealing ring 8.

In a second embodiment of the structure of the light source cover plate 3 and the light-transmitting lens 4 at the joint 100, referring to fig. 5, at the joint 100, the side wall of the accommodating position and the side wall of the light-transmitting lens 4 opposite to the accommodating position are both provided with chamfers, the chamfers are symmetrically arranged, the cross sections of the chamfers form a V-shaped structure, and the second sealing ring 8 is placed between the two chamfers. After the integral assembly, the second sealing ring 8 is deformed by the lens cover plate 5, thereby sealing the opening of the adjacent part 100. As in the first embodiment, the sealing requirements of the two components are also met by a second sealing ring 8. The chamfer of the receiving site and the lens 4 may also form a U-shaped structure, the sealing action of which is the same as the V-shaped structure.

Preferably, the lens cover plate 5 and the light source cover plate 3 of the light source assembly are locked by a plurality of screws 9. Specifically, will screw 9 passes lens apron 5 and light source apron 3 in proper order, locks both with the unable adjustment base 11 of samming board subassembly 1, still is provided with third sealing washer 10 between screw 9 and the lens apron 5, prevents that moisture from the gap infiltration between screw and the screw hole. And the screw 9 is used for locking, so that the light source assembly is convenient to install, disassemble and maintain.

It should be noted that the above-mentioned embodiments are only used for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and if the present technology is simply modified, the objects of the present invention can be achieved by substantially the same means, and all of the objects should fall within the scope of the present invention.

Claims

1. The utility model provides a waterproof light source subassembly for photography luminaire, includes temperature-uniforming plate subassembly (1), the COB light source (2) of laminating on temperature-uniforming plate subassembly (1), locate light source apron (3) that are used for fixed COB light source (2) on temperature-uniforming plate subassembly (1), arrange printing opacity lens (4) on light source apron (3) in and locate lens apron (5) that are used for pushing down printing opacity lens (4) edge on light source apron (3), its characterized in that: be provided with first sealing washer (6) around COB light source (2) between light source apron (3) and temperature-uniforming plate subassembly (1), set up on light source apron (3) and be used for wiring electrode (21) that correspond with wiring electrode (21) of COB light source (2) and connect wiring groove (31) of external lead, wiring groove (31) intussuseption is filled with sealed glue (7), light source apron (3) is arranged in printing opacity lens (4) hold on the position, hold position and printing opacity lens (4) and locate to form border on department (100) in relative lateral wall, the top of border on department (100) is provided with second sealing washer (8) and second sealing washer (8) are compressed tightly by lens apron (5).

2. The waterproof light source module for a photographic lamp as claimed in claim 1, wherein: the wiring electrodes (21) are provided with a plurality of wiring electrodes (21) which are intensively divided into two positions, the two wiring electrodes (21) are respectively arranged at the left side and the right side of the COB light source (2), and the number of the wiring grooves (31) is two and respectively corresponds to the two wiring electrodes (21) at the left side and the right side.

3. A waterproof light source module for a photographic lamp as claimed in claim 2, wherein: the wiring slot (31) comprises a slot hole (311) penetrating through the upper surface and the lower surface of the light source cover plate (3) and a wire guide hole (312) arranged on the side surface of the light source cover plate (3) and communicated with the slot hole (311).

4. A waterproof light source module for a photographic lamp as claimed in claim 3, wherein: the upper surface of COB light source (2) around corresponding department wiring electrode (21) is hugged closely to light source apron (3) lower surface around slotted hole (311), the upper surface of light source apron (3) around slotted hole (311) is hugged closely to the lower surface of lens apron (5).

5. The waterproof light source module for a photographic lamp as claimed in claim 4, wherein: the lens cover plate (5) is provided with a glue injection hole (51) communicated with the wiring groove (31), and the sealant (7) is formed by condensation after glue injection through the glue injection hole (51) to the wiring groove (31).

6. The waterproof light source module for a photographic lamp as claimed in claim 5, wherein: wire pressing devices (13) used for pressing external wires are arranged on the left side and the right side of the temperature equalizing plate assembly (1).

7. The waterproof light source module for a photographic lamp as claimed in claim 1, wherein: the upper surface of the light source cover plate (3) at the adjacent position (100) is flush with the upper surface of the light-transmitting lens (4) at the adjacent position (100), a groove (52) opposite to the adjacent position (100) is formed in the lower surface of the lens cover plate (5), and the second sealing ring (8) is arranged in the groove (52).

8. The waterproof light source assembly for the photographic lamp of claim 1, characterized in that: the side walls of the adjacent part (100) of the accommodating position and the light-transmitting lens (4) are provided with chamfers, the chamfers form a structure with a V-shaped or U-shaped cross section, and the second sealing ring (8) is arranged between the two chamfers.

9. A waterproof light source module for a photographic lamp according to any one of claims 1 to 8, characterized in that: still include a plurality of screws (9), screw (9) pass lens apron (5) and light source apron (3) in proper order, lock both with temperature-uniforming plate subassembly (1), still be provided with third sealing washer (10) between screw (9) and lens apron (5).