CN113531407A

CN113531407A - Connect electric structure and LED lighting device thereof

Info

Publication number: CN113531407A
Application number: CN202110771009.2A
Authority: CN
Inventors: 帅春江; 马二华
Original assignee: Mester Led Ltd
Current assignee: Mester Led Ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-10-22
Anticipated expiration: 2041-07-08
Also published as: CN113531407B

Abstract

The invention discloses an electricity connection structure which comprises a light emitting module and an electricity connection post, wherein the light emitting module comprises a lamp panel and a circuit board, the electricity connection post is fixedly arranged on one side of the lamp panel, a line passing hole which penetrates through the lamp panel and the circuit board in sequence is formed in the position, corresponding to the electricity connection post, of the light emitting module, one end of the electricity connection post penetrates through the line passing hole to one side of the circuit board, a first tin welding part is arranged between the section of the electricity connection post which penetrates through the line passing hole and the circuit board, and a second tin welding part is arranged between the lamp panel and the circuit board. According to the invention, the electric connecting post is fixed on one side of the lamp panel and passes through the preset wire passing hole for limiting, so that during welding operation, a worker only needs to hold the soldering iron by one hand and can realize welding without clamping the electric connecting post by the other hand, therefore, the welding assembly is more convenient, and the production efficiency can be improved. The LED lighting device has the same beneficial effects by adopting the power connection structure.

Description

Connect electric structure and LED lighting device thereof

Technical Field

The invention discloses a power connection structure and an LED lighting device thereof, and belongs to the field of LED lighting.

Background

Most LED lamps and lanterns in the existing market, its connect the electric structure and form by welding between wire and the circuit board, need welding workman to hold in hand the wire during the preparation, another holds in hand the electric iron and carries out welding operation, and welding operation wastes time and energy, and production efficiency is low.

In addition, the existing outdoor lighting lamp has high requirements on waterproof and anti-corrosion performance because the lamp is used outdoors for a long time. The outdoor lighting lamps and lanterns on the existing market are mostly provided with exposed connecting screws on the shell, and the screws are exposed to the sun and rain for a long time, so that the water seepage phenomenon and the corrosion phenomenon of the threaded connection part easily occur, and the service life of the lamps and lanterns is influenced.

Disclosure of Invention

The invention provides an electric connection structure and an LED lighting device thereof, which have the advantages of strong waterproof and corrosion resistance, convenience in assembly and high production efficiency.

One aspect of the invention relates to an electrical connection structure, which comprises a light-emitting module and an electrical connection post, wherein the light-emitting module comprises a lamp panel and a circuit board, the lamp panel and the circuit board are stacked, one side of the lamp panel facing the circuit board is provided with an LED lamp bead, a position of the circuit board corresponding to the LED lamp bead is provided with a notch, the LED lamp bead is exposed from the notch, one side of the circuit board facing away from the lamp panel is provided with a plurality of electronic components,

the electricity connection post is fixed to be located one side of lamp plate, correspond on the light emitting module electricity connection post's position is equipped with and pierces through in proper order the lamp plate with the line hole is crossed to the circuit board, electricity connection post's one end is passed it extremely to cross the line hole one side of circuit board, and wear out that section of crossing the line hole and be equipped with first tin soldering portion between electricity connection post and the circuit board, the lamp plate with be equipped with second tin soldering portion between the circuit board.

Furthermore, the side wall of the notch is provided with a welding groove penetrating through the circuit board, and the second soldering part is arranged in the welding groove.

Furthermore, the power connection structure further comprises a sealing adhesive layer, and the sealing adhesive layer covers the section of the power connection post penetrating through the wire passing hole and the outer side of the first tin soldering part.

Further, cross the line hole including locating first via hole on the lamp plate with locate second via hole on the circuit board, the second via hole includes the main entrance and is located the earhole of main entrance both sides, just the diameter of first via hole is greater than the maximum interval of second via hole, connect the post to be equipped with two and inlay to locate in the earhole with the one-to-one.

The invention also relates to an LED lighting device which comprises a shell, a light-emitting module and a power connection wire, wherein the light-emitting module is arranged in the shell, one end of the power connection wire extends into the shell and is connected with the light-emitting module, the other end of the power connection wire extends out of the shell and is connected with a mains supply, the power connection structure is adopted between the power connection wire and the light-emitting module, the power connection wire comprises a leather sleeve and a wire core, and the wire core is set as the power connection post.

Further, the shell comprises a first shell and a second shell, a first cavity is arranged in the first shell, a first opening is formed in one end of the first shell of the first cavity, and a plurality of connecting columns facing the first opening are arranged in the first cavity;

a second cavity and a third cavity are arranged in the second shell, a second opening is formed in one end of the second shell of the second cavity, a third opening is formed in the other end of the second shell of the third cavity, a partition plate is arranged between the second cavity and the third cavity for separating the second cavity from the third cavity, and a plurality of connecting holes penetrating through the second cavity and the third cavity are formed in the partition plate;

the end, provided with the first opening, of the first shell is in butt joint with the end, provided with the second opening, of the second shell, the connecting columns are opposite to the connecting holes in a one-to-one correspondence mode, and a screw is fixedly connected between each pair of connecting columns and the connecting holes.

Further, stagger on the baffle the position of connecting hole is equipped with one and link up the second cavity with the through wires hole of third cavity, light emitting module is attached in third cavity one side just on the baffle the lamp plate is located and presses close to one side of baffle still includes a fixed stopper, fixed stopper looks adaptation ground stopper in the through wires hole, the electric wire is worn to locate on the fixed stopper, the sinle silk of its one end passes cross the line hole extremely the third cavity, its other end is worn out fixed stopper warp the second cavity reaches outside first cavity to the shell.

Furthermore, the end, provided with a third opening, of the second shell is set to be a sleeving end, the second shell further comprises a lens and a light guide cover, the lens is covered on the third opening, the light guide cover is set to be a tubular shape with an axial hole, and one end of the light guide cover is sleeved on the outer side of the sleeving end.

Further, the lens comprises a convex lens and a plane lens, the convex lens and the plane lens are adjacently arranged, and the convex lens is positioned at one side close to the second body;

the convex lens is fixedly connected with the second main body through a screw, the planar lens is embedded in the tube hole of the light guide cover, a limiting seat is arranged in the tube hole of the light guide cover, the outer side of the planar lens abuts against the limiting seat, and the inner side of the planar lens abuts against the convex lens.

Furthermore, the periphery of the sleeved end is provided with an annular limiting groove, a fastening screw hole is formed in the position, corresponding to the limiting groove, of the sleeved end of the light guide cover, the garden lamp further comprises a fastening screw, the fastening screw is screwed into the fastening screw hole, and the head of the fastening screw is pushed into the limiting groove.

The invention has the following beneficial effects:

according to the power connection structure, the power connection post is fixed on one side of the lamp panel and penetrates through the preset wire passing hole for limiting, so that during welding operation, a worker only needs to hold the soldering iron with one hand and can realize welding without holding the power connection post with the other hand, welding and assembling are more convenient, and production efficiency can be improved.

The LED lighting device has the same beneficial effects by adopting the power connection structure.

Drawings

FIG. 1 is an exploded view of a lighting module according to the present invention;

FIG. 2 is a perspective view of the connection structure of the electric connecting post and the fixing plug of the present invention;

FIG. 3 is a perspective view of the electrical connection structure of the present invention without a sealant layer;

FIG. 4 is a perspective view of the electrical connection structure of the present invention with a sealant layer;

FIG. 5 is an exploded view of a garden light according to the present invention;

FIG. 6 is a perspective view of a first housing according to the present invention;

FIG. 7 is a perspective view of a second housing according to the present invention in one orientation;

FIG. 8 is a perspective view of a second housing according to the present invention in another orientation;

FIG. 9 is an exploded view of a lens according to the present invention;

FIG. 10 is a perspective view of a light guide cover according to the present invention;

FIG. 11 is a full sectional view of the garden light of the present invention;

FIG. 12 is a view showing the mounting structure of the electric pole according to the present invention.

Names and designations of parts

1-a first housing;

2-a second housing;

3-fixing the plug;

4-a lamp panel;

5-a circuit board;

6-a second sealing ring;

a 7-convex lens;

8-a planar lens;

9-a light guide cover;

10-a fastening screw;

11-connecting a power post;

12-a first sealing ring;

13-a light emitting module;

14-a lens module;

100-a first solder portion;

200-a second solder joint;

300-sealing adhesive layer;

101-a first cavity;

102-a first opening;

201-a second cavity;

202-a second opening;

203-a third cavity;

204-a third opening;

205-a separator;

206-connecting hole;

207-threading hole;

208-a sleeved end;

209-limit groove;

401-LED lamp beads;

402-a first via;

501, electronic components;

502-notch;

503-a second via;

504-ear hole;

505-a weld groove;

901-a limiting seat;

902-fastening screw holes.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1-4, an embodiment of the present invention discloses an electrical connection structure, where the electrical connection structure includes a light emitting module 13 and an electrical connection post 11, the light emitting module 13 includes a lamp panel 4 and a circuit board 5, the lamp panel 4 and the circuit board 5 are stacked on each other, an LED lamp bead 401 is disposed on one side of the lamp panel 4 facing the circuit board 5, a notch 502 is disposed at a position of the circuit board 5 corresponding to the LED lamp bead 401, the LED lamp bead 401 is exposed from the notch 502, and a plurality of electronic components 501 are disposed on one side of the circuit board 5 facing away from the lamp panel 4. Electrical connector 11 is fixed to be located one side of lamp plate 4, correspond on the light emitting module 13 electrical connector 11's position is equipped with and pierces through in proper order lamp plate 4 with circuit board 5 cross the line hole, electrical connector 11's one end is passed cross the line hole extremely one side of circuit board 5, and wear out that section of crossing the line hole and be equipped with first tin soldering portion 100 between electrical connector 11 and the circuit board 5, lamp plate 4 with be equipped with second tin soldering portion 200 between the circuit board 5.

It can be understood that the circuit board 5 is pre-provided with the electrical connection terminals of the copper foil and is disposed beside the wire through holes, and the first soldering portion 100 should just cover the electrical connection terminals of the corresponding copper foil so as to achieve electrical connection between the electrical connection posts 11 and the circuit board 5. Similarly, the second soldering portion 200 is a medium for electrical communication between the lamp panel 4 and the circuit board 5.

In a preferred embodiment, as shown in fig. 3, the side wall of the notch 502 is provided with a soldering groove 505 penetrating the circuit board 5, and the second soldering part 200 is provided in the soldering groove 505. It can be understood that the upper end and the lower end of the welding groove 505 correspond to the corresponding electrical connection ends of the corresponding copper foils on the circuit board 5 and the lamp panel 4 respectively, and the second soldering part 200 covers the electrical connection ends of the copper foils at the two positions respectively so as to realize electrical communication between the two electrical connection ends, so that the circuit board 5 supplies power to the lamp panel 4.

Furthermore, the electrical connection structure further includes a sealing adhesive layer 300, and the sealing adhesive layer 300 covers the section of the electrical connection post 11 penetrating through the wire passing hole and the outer side of the first soldering part 100.

When the lamp is assembled, the light emitting module 13 is fixed on the corresponding lamp body, then one end of the electric post 11 penetrates into the wire passing hole and is fixed at the corresponding position, and at the moment, a relative position fixed state is formed between the electric post 11 and the light emitting module 13. Then, a welder only needs one hand to hold the electric iron and points tin liquid on the side wall of the electric pole 11 aiming at the electric pole 11 and the position of the electric end correspondingly provided with the copper foil, so that the first tin welding part 100 can be formed; the welding can be realized by the other hand of the soldering tin operation worker without clamping the power connection post 11, so that the welding and assembling are more convenient, and the production efficiency can be improved.

Similarly, when the second soldering part 200 is soldered, the soldering worker also needs only one hand to hold the electric soldering iron, and the soldering iron is aligned with the soldering groove 505 to fill the tin liquid into the groove until the tin liquid covers the electric connection ends of the copper foils corresponding to the two ends of the groove. Similarly, the soldering operation worker can realize welding without holding the power connection pole 11 with the other hand, so that the welding assembly is more convenient, and the production efficiency can be improved.

And finally, filling the sealant, and pointing the sealant to the end part of the section of the electric connecting column 11 penetrating through the wire passing hole and the outer side of the first soldering part 100 until the glue solution completely covers the electric connecting column 11 and the first soldering part 100, and forming the sealing glue layer 300 after the glue solution is solidified. The sealant layer 300 may serve as a water seal to prevent external water from flowing onto the circuit board 5 along the electrical connector 11. It should be noted that, in practical application, the electric connecting post 11 is usually a wire core of a common electric connecting wire in the market, the wire core of the electric connecting wire is wrapped in the leather sheath, and a gap is formed between the wire core and the leather sheath, and at this time, the part of the electric connecting wire outside the shell is removed, so that water is easy to flow into the lamp from between the wire core and the leather sheath, and therefore, the sealing adhesive layer 300 covers the end of the electric connecting post 11 and the outer side of the first soldering part 100, so that external water can be prevented from entering the lamp body from the electric connecting wire, and the waterproof performance of the lamp is improved. In one embodiment, the sealant is silicone.

Specifically, the wire passing hole is including locating first via hole 402 on the lamp plate 4 with locate second via hole 503 on the circuit board 5, second via hole 503 includes the main entrance and is located the ear hole 504 of main entrance both sides, just the diameter of first via hole 402 is greater than the maximum interval of second via hole 503, electrical connector 11 is equipped with two and inlays to locate in the ear hole 504 one-to-one. The diameter of the first via hole 402 is larger than the maximum distance between the second via holes 503, so that the contact between the electrical post 11 and the sidewall of the first via hole 402 can be effectively avoided, and the electric leakage can be avoided. It should be noted that the ear hole 504 is set to be adapted to the diameter of the electric pole 11, so that the electric pole 11 is just filled in the ear hole 504, and the electric pole 11 is limited and fixed, thereby further preventing the electric pole 11 from shaking due to instability during welding and affecting the welding operation.

The embodiment of the invention also discloses an LED lighting device which is a specific application of the power connection structure.

Referring to fig. 1 to 12, specifically, the LED lighting device is a garden lamp, which includes a housing, a light emitting module 13 and a power connection wire, the light emitting module 13 is disposed in the housing, one end of the power connection wire extends into the housing and is connected to the light emitting module 13, the other end of the power connection wire extends out of the housing and is connected to a mains supply, the power connection structure is adopted between the power connection wire and the light emitting module 13, the power connection wire includes a sheath and a wire core, and the wire core is set as the power connection post.

The housing comprises a first shell 1 and a second shell 2. A first cavity 101 is arranged in the first shell 1, a first opening 102 is arranged at one end of the first cavity 101 of the first shell 1, and a plurality of connecting columns facing the first opening 102 are arranged in the first cavity 101; a second cavity 201 and a third cavity 203 are arranged in the second casing 2, a second opening 202 is arranged at one end of the second casing 2 of the second cavity 201, a third opening 204 is arranged at the other end of the second casing 2 of the third cavity 203, a partition plate 205 is arranged between the second cavity 201 and the third cavity 203 for separation, and a plurality of connecting holes 206 penetrating through the second cavity 201 and the third cavity 203 are arranged on the partition plate 205; the end of the first casing 1 having the first opening 102 is butted against the end of the second casing 2 having the second opening 202, the connecting columns are opposite to the connecting holes 206 in a one-to-one correspondence, and a screw is fixedly connected between each pair of connecting columns and the connecting holes 206.

It can be understood that when the first casing 1 is butted with the second casing 2, the first cavity 101 and the second cavity 201 are combined to form a cavity, and the screw connected between the connection hole 206 and the connection column fixedly connects the first casing 1 with the second casing 2, preventing the first casing 1 and the second casing 2 from being loosened, so that the first casing 1 and the second casing 2 form a whole casing. Because the screw is positioned in the shell and is not exposed out of the shell, the screw can be effectively prevented from rusting and corroding.

In order to prevent water from entering the abutting joint between the first casing 1 and the second casing 2, in the present embodiment, a first sealing ring 12 is provided between the abutting ends of the first casing 1 and the second casing 2. The first sealing ring 12 is compressed to reduce or even eliminate the contact gap at the butt joint of the first shell 1 and the second shell 2, thereby improving the water sealing performance of the joint. In one embodiment, the first sealing ring 12 is preferably a silicone ring.

A threading hole 207 penetrating through the second cavity 201 and the third cavity 203 is formed in the partition plate 205 at a position staggered from the connecting hole 206. The garden lamp still includes a fixed stopper 3, light emitting module 13 attached in third cavity 203 one side on the baffle 205, fixed stopper 3 plug in with the looks adaptation in among the through wires hole 207, correspond on the light emitting module 13 the position of through wires hole 207 is equipped with cross the wire hole, electric post 11 wears to locate on the fixed stopper 3, its one end passes cross the wire hole extremely third cavity 203, its other end is worn out fixed stopper 3 extremely second cavity 201, just electric post 11 is located one end in the third cavity 203 with welded connection between the light emitting module 13. The electric pole 11 is fixed beside the welding position of the light-emitting module 13 by penetrating the fixing plug 3, a worker only needs to hold the soldering iron by one hand during welding operation, and the other hand does not need to claw the electric pole 11 to realize welding, so that the welding assembly is more convenient, and the production efficiency can be improved. In the present embodiment, the fixing plug 3 is a rubber plug.

The lamp plate 4 with the mutual range upon range of setting of circuit board 5 just the lamp plate 4 is located and presses close to one side of baffle 205, the LED lamp follows notch 502 exposes in third cavity 203, a plurality of electronic components 501 orientation one side of third cavity 203. It can be understood that the electric posts 11 are connected with the circuit board 5 by welding for supplying power to the circuit board 5, and one end of the electric post 11 penetrating into the second cavity 201 and the first cavity 101 penetrates out of the shell so as to be connected with an external power supply line.

The end of the second housing 2 provided with the third opening 204 is set to be a socket end 208, the garden lamp further comprises a lens module 14 and a light guide cover 9, the lens module 14 is arranged on the third opening 204, the light guide cover 9 is set to be a tubular shape with an axial opening, and one end of the light guide cover is sleeved outside the socket end 208. Further, the lens module 14 includes a convex lens 7 and a planar lens 8, the convex lens 7 and the planar lens 8 are disposed adjacently, and the convex lens 7 is located at a side close to the second body.

The convex lens 7 is fixedly connected with the second main body through screws, the planar lens 8 is embedded in a tube hole of the light guide cover 9, a limiting seat 901 is arranged in the tube hole of the light guide cover 9, the outer side of the planar lens 8 abuts against the limiting seat 901, and the inner side of the planar lens 8 abuts against the convex lens 7. Utilize spacing seat 901 and convex lens 7 to make plane lens 8 card locate between them, need not to design the fixed knot who fixes this plane lens 8 in addition and construct, it is more convenient during the installation.

And a second sealing ring 6 is arranged between the convex lens 7 and the joint of the second main body. The second sealing ring 6 is used for preventing water from entering the joint of the convex lens 7 and the second main body, and in this embodiment, the second sealing ring 6 is a silicon rubber ring.

The periphery of the sleeved end 208 is provided with an annular limiting groove 209, the position of the sleeved end of the light guide cover 9, which corresponds to the limiting groove 209, is provided with a fastening screw hole 902, the garden lamp further comprises a fastening screw 10, the fastening screw 10 is screwed into the fastening screw hole 902, and the head of the fastening screw 10 is pushed into the limiting groove 209. It can be understood that the light guide cover 9 is connected with the second main body in a sleeved mode, the position between the light guide cover 9 and the second main body only needs to be moved relatively along the axial direction during installation, compared with a threaded connection mode, the mode does not need to be provided with threads, and the light guide cover 9 does not need to be rotated during installation, so that the planar lens 8 arranged in the tube hole of the light guide cover 9 is better protected, and the planar lens 8 is prevented from being scratched rotationally or broken during installation.

In summary, in the power connection structure of the invention, the power connection post is fixed on one side of the lamp panel and passes through the preset wire passing hole for limiting, so that during welding operation, a worker only needs to hold the soldering iron with one hand and can realize welding without holding the power connection post with the other hand, thereby facilitating welding and assembling and improving production efficiency.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric connection structure is characterized in that the electric connection structure comprises a light emitting module and an electric connection post, the light emitting module comprises a lamp panel and a circuit board, the lamp panel and the circuit board are mutually stacked, one side of the lamp panel facing the circuit board is provided with LED lamp beads, a notch is arranged on the circuit board corresponding to the LED lamp beads, the LED lamp beads are exposed from the notch, one side of the circuit board facing away from the lamp panel is provided with a plurality of electronic components,

2. The electrical connection structure of claim 1, wherein a side wall of the notch is provided with a solder slot extending through the circuit board, and the second solder portion is disposed in the solder slot.

3. The electrical connection structure of claim 1, further comprising a sealant layer covering the electrical connection post and the first solder portion.

4. The power connection structure of claim 1, wherein the wire passing holes comprise a first via hole arranged on the lamp panel and a second via hole arranged on the circuit board, the second via hole comprises a main hole and lug holes positioned on two sides of the main hole, the diameter of the first via hole is larger than the maximum distance of the second via hole, and the power connection posts are embedded in the lug holes in two and one-to-one correspondence.

5. An LED lighting device comprises a shell, a light-emitting module and a power connection wire, wherein the light-emitting module is arranged in the shell, one end of the power connection wire extends into the shell and is connected with the light-emitting module, the other end of the power connection wire extends out of the shell and is connected with a mains supply, the power connection structure of any one of claims 1-4 is adopted between the power connection wire and the light-emitting module, the power connection wire comprises a leather sheath and a wire core, and the wire core is arranged as the power connection post.

6. The LED lighting device of claim 5 wherein the housing comprises a first shell and a second shell,

a first cavity is arranged in the first shell, a first opening is formed in one end of the first shell of the first cavity, and a plurality of connecting columns facing the first opening are arranged in the first cavity;

7. The LED lighting device according to claim 6, wherein a threading hole penetrating the second cavity and the third cavity is formed in the position, staggered from the connecting hole, of the partition plate, the light emitting module is attached to the partition plate on one side of the third cavity, the lamp panel is located on one side close to the partition plate, the LED lighting device further comprises a fixing plug, the fixing plug is plugged in the threading hole in a matched mode, the electric wire penetrates through the fixing plug, a wire core at one end of the fixing plug penetrates through the threading hole to the third cavity, and the other end of the fixing plug penetrates out of the second cavity and the first cavity to the outside of the shell.

8. The LED lighting device according to claim 5, wherein the end of the second housing having the third opening is a socket end, further comprising a lens and a light guide cover, the lens is covered on the third opening, the light guide cover is tubular with an axial opening, and one end of the light guide cover is sleeved outside the socket end.

9. The LED lighting device of claim 8, wherein said lens comprises a convex lens and a planar lens, said convex lens and said planar lens being disposed adjacent and said convex lens being located adjacent to a side of said second body;

10. The LED lighting device according to claim 9, wherein an annular limiting groove is formed on an outer periphery of the coupling end, a fastening screw hole is formed at a position corresponding to the limiting groove at the end of the light guide cover, the fastening screw hole is screwed with the fastening screw, and a head of the fastening screw is pressed into the limiting groove.