CN215489222U

CN215489222U - LED lamp

Info

Publication number: CN215489222U
Application number: CN202121508950.7U
Authority: CN
Inventors: 王君
Original assignee: Beijing Aolun Technology Co ltd
Current assignee: Beijing Aolun Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-01-11
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an LED lamp, which comprises conductors with different poles and LED patch lamp beads electrically connected with the conductors and forming a power-on loop, wherein a flat connecting part is arranged at the local part of the conductor, a planar bonding pad is arranged on each LED patch lamp bead, and the bonding pads are welded on the connecting part; according to the utility model, the conductors with different poles are welded with the LED patch lamp beads, the conductors are provided with the flat connecting parts, the LED patch lamp beads are provided with the planar bonding pads, and the electric connection is realized by welding the bonding pads and the connecting parts, so that the welding connection area of the LED patch lamp beads and the conductors can be increased, the occurrence rate of defects such as insufficient solder and insufficient solder is reduced, and the welding quality is improved.

Description

LED lamp

Technical Field

The utility model relates to the technical field of manufacturing of LED lamps, in particular to an LED lamp.

Background

LED is an abbreviation for Light Emitting Diode, meaning Light Emitting Diode. The light emitting chip is made of semiconductor materials. The LED is a novel light source which is rapidly developed in the world at present, and the LED lamp has the advantages of low heat, low power consumption, small volume, long service life, environmental protection and the like. The application scenes are very wide and comprise the aspects of general illumination, landscape application, display screens, backlight application and the like.

With the rapid development of the LED technology, various LED lamp forms with low cost and high output are provided, the LED copper wire lamp is that the wire guide wire is made of copper wire wires or pvc wires or flexible wires, the diameters of the copper wire lamps are different in specification from 0.1mm to 11mm, the thinner the LED copper wire lamp adopts LED lamp beads with smaller specification and size, and the higher the requirements on equipment precision, welding and other processes in the processing process are.

The LED leather-covered lamp is also one of the applications of the LED lamp, and due to the advantages of low manufacturing cost, long length, various patterns, outdoor use and the like, the LED leather-covered lamp has now replaced some conventional LED lamps in a large area, and becomes a trend of future development. The LED covered wire lamp is a three-core or multi-core cable with different specifications and is manufactured by various processes such as peeling, printing soldering paste, mounting (lamp bead), dispensing, sealing and the like.

At present, in the manufacturing process of LED leather line lamp and LED copper line lamp, output efficiency, welding quality and yield are different according to the technique of each producer, and equipment difference has the problem of different degrees, leads to the yields not high. The main reasons for the above problems are the precision of the chip mounter, the quality of the cable, the structural characteristics of the cable, and the like in the manufacturing process, so that a large amount of manual work is needed for correction and compensation inspection in the follow-up process, and efficiency and quality need to be improved urgently.

Application publication number is CN 106287295A's chinese patent discloses a manufacturing method and copper line lamp of copper line lamp, polishes the insulating layer in order to grind off on the copper line to the copper line on the winding tool, brushes the tin cream on the copper line, carries out the paster to the copper line on the winding tool, and the process of carrying out the paster includes: fix the wire winding tool on chip mounter's anchor clamps, utilize chip mounter's manipulator to carry out the paster, do not carry out special treatment to the copper line in this scheme, have the poor problem of welding such as rosin joint of paster and copper line connection.

Chinese patent application publication No. CN 110360510 a discloses a copper wire lamp decorative lamp string, which includes at least two wires arranged side by side, a patch LED is installed between every two wires, an insulating layer covers the outside of each wire, and the inside is a wire core with a single structure; the welding ports are distributed at intervals along the longitudinal direction of each two wires, the welding ports expose the inner wire cores, and the welding ports and the output pins of the surface mounted LEDs are respectively welded with the exposed wire cores in a collision mode, namely, the surface mounted LEDs and the wire cores of the scheme are welded together in a collision mode through high-current welding or high-frequency welding.

Chinese patent No. CN 202259299U discloses an LED copper wire lamp string, in which corresponding positions on two wires are flattened to form a plurality of flat welding areas, the positive terminal of an LED chip is welded to the welding area on one of the wires, and the negative terminal of the LED chip is electrically connected to the corresponding welding area on the other wire through a connecting wire.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an LED lamp, which aims to solve the problems in the prior art, conductors with different poles are connected with LED patch lamp beads in a welding mode, the conductors are provided with flat connecting parts, the LED patch lamp beads are provided with flat bonding pads, electric connection is achieved through welding of the bonding pads and the connecting parts, the welding connecting area of the LED patch lamp beads and the conductors can be increased, the incidence rate of defects such as insufficient solder and insufficient solder is reduced, and the welding quality is improved.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides an LED lamp which comprises conductors with different poles and LED patch lamp beads electrically connected with the conductors to form an electrified loop, wherein a flat connecting part is arranged at the local part of the conductor, and a planar bonding pad is arranged on each LED patch lamp bead and welded on the connecting part.

Preferably, a surface area of the connection portion is greater than or equal to a surface area of the pad.

Preferably, the surface areas of the connecting parts of the conductors of different poles connected with the same LED patch lamp bead are equal.

Preferably, the distance between two adjacent connecting parts is equal.

Preferably, solder paste is uniformly distributed on each connecting part.

Preferably, the conductor is a rubber-insulated-wire core of a rubber-insulated-wire cable, and the rubber-insulated-wire core exposed after the rubber-insulated wire of the rubber-insulated-wire cable is partially removed is processed into the connecting part.

Preferably, the position where the connecting part is welded with the bonding pad is coated with sealing glue, and the sealing glue coats all the exposed rubber-insulated wire cores.

Preferably, the rubber-insulated-wire cable includes three cores, LED paster lamp pearl is connected wherein two on the rubber-insulated-wire sinle silk.

Preferably, the conductor is the copper line sinle silk of copper line cable, and the part is got rid of expose behind the copper line protective layer of copper line cable copper line sinle silk is processed into connecting portion.

Preferably, the position where the connecting part is welded with the bonding pad is coated with sealing glue, and the sealing glue coats all the exposed copper wire cores.

Compared with the prior art, the utility model has the following technical effects:

(1) according to the utility model, conductors with different poles are welded with the LED patch lamp beads, the conductors are provided with the flat connecting parts, the LED patch lamp beads are provided with the planar bonding pads, and the electric connection is realized by welding the bonding pads and the connecting parts, so that the welding connecting area of the LED patch lamp beads and the conductors can be increased, the occurrence rate of defects such as insufficient solder and the like is reduced, and the welding quality is improved;

(2) the surface area of the connecting part of the conductor is larger than or equal to the surface area of the bonding pad of the LED patch lamp bead, the requirements on the placement position between the LED patch lamp bead and the conductor and the precision of equipment are reduced on the basis of surface-to-surface contact welding, meanwhile, the influence of factors such as vibration of assembly line equipment in the running process on the position of the LED patch lamp bead is avoided, the requirement on control deviation is obviously reduced, and the fault-tolerant rate is increased;

(3) according to the conductors of different poles connected with the same LED patch lamp bead, the surface areas of the connecting parts of the conductors are equal, namely, the conductors are stressed in the same stamping process, the sectional areas and the shapes of the conductors are equal, the conductors on two sides of the LED patch lamp bead are basically consistent, the difference of resistivity caused by the change of the sectional areas or the shapes of the conductors is further avoided, and the influence on the light-emitting quality or the service life is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of a connection of a rubber-insulated wire LED lamp;

FIG. 2 is a schematic diagram of a copper wire LED lamp;

FIG. 3 is a schematic diagram of a connection between an LED patch lamp bead and a conductor in the prior art;

FIG. 4 is a schematic diagram of the connection between an LED patch lamp bead and a conductor in the utility model;

FIG. 5 is a schematic diagram of the deviation of an LED patch lamp bead according to the present invention;

wherein, 1, a rubber-insulated wire cable; 11. a rubber-insulated wire core; 12. a leather-thread sheath; 2. LED paster lamp beads; 21. a pad; 3. a copper wire cable; 31. a copper wire core; 32. a copper wire protective layer; 4. sealing; 5. solder paste.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1-2 and 4, the utility model provides an LED lamp, which includes conductors with different poles and LED patch lamp beads 2 electrically connected to the conductors and forming a power-on loop, where the conductors may be covered wire cores 11, the covered wire cores 11 are exposed conductors of a covered wire cable 1 after an outer layer of a covered wire sheath 12 is removed, or may be copper wire cores 31, and the copper wire cores 31 are exposed conductors of a copper wire cable 3 after an outer layer of a copper wire protective layer 32 is removed, or may be conductors of other forms, and it is only required to be able to communicate with the LED patch lamp beads 2 for conduction. The conductor part is provided with the connecting portion of platykurtic, and connecting portion can adopt stamping process to utilize stamping die to carry out flat processing, and it needs to explain to the connecting portion of connecting the conductor of same LED paster lamp pearl 2, can adopt different stamping die or adopt same stamping die not to carry out the punching press simultaneously, but the preferred adoption is same stamping die punching press simultaneously to can guarantee the concerted type of connecting portion flat structure. The connection part after punching is in a flat structure, and a mounting plane is formed on the surface of the connection part. LED paster lamp pearl 2 is provided with planar pad 21, and pad 21 can be one section by the cylindric structure of the outside extension of LED paster lamp pearl 2. And welding the bonding pad 21 on the connecting part, so that the LED patch lamp bead 2 is communicated with the conductor. According to the utility model, conductors with different poles are connected with the LED patch lamp beads 2 in a welding manner, the conductors are provided with flat connecting parts, the LED patch lamp beads 2 are provided with the planar bonding pads 21, and the electric connection is realized by welding the bonding pads 21 and the connecting parts, so that compared with a mode (shown in figure 3) that the LED patch lamp beads 2 only can be in line contact with the conductors (with a circular cross section), the welding connection area of the LED patch lamp beads 2 and the conductors can be increased, the occurrence rate of defects such as insufficient solder and the like is reduced, and the welding quality is improved.

As shown in fig. 3 to 5, the surface area of the connection portion formed on the conductor may be set to be greater than or equal to the surface area of the pad 21 of the LED chip bead 2, and since the connection portion and the pad 21 are both planar structures, on the basis of surface-to-surface contact welding, the deviation is H (see fig. 3), and the deviation is increased to H' (see fig. 5) compared to the prior art, so that the deviation distance is significantly increased. Therefore, the placement position between the LED patch lamp bead 2 and the conductor and the accuracy requirement of the equipment are reduced, meanwhile, the influence of factors such as vibration of assembly line equipment in the operation process on the position of the LED patch lamp bead 2 is avoided, the requirement on control deviation is obviously reduced, and the fault tolerance rate is increased.

The conductors of the different poles that same LED paster lamp pearl 2 is connected, its connecting portion can be set to have equal surface area, at this moment, should adopt the same punching press technology, including the same mould and punching press simultaneously. That is to say, the conductor atress is the same in stamping process, can guarantee that the sectional area and the shape of conductor are equal, guarantees that the conductor of LED paster lamp pearl 2 both sides keeps basic unanimous structurally, and then avoids the change of conductor sectional area or shape to lead to the difference of resistivity, avoids causing the influence to LED paster lamp pearl 2 luminous quality or life.

As shown in figures 1-2, a plurality of LED paster lamp pearls 2 can be welded on the same conductor, and the interval between two adjacent connecting portions can be determined to be a fixed value when the LED paster lamp pearls 2 are connected, so that the interval between the adjacent connecting portions is ensured to be equal, therefore, after the LED paster lamp pearls 2 are switched on, a relatively stable current and voltage environment can be provided, and the conditions of uneven brightness and the like are avoided.

When the LED surface mount device (LED) lamp bead (2) is connected with the conductor, solder paste (5) can be printed or coated on the connecting part, as shown in figure 3, in the prior art, because the conductor is circular, the solder paste (5) is printed or coated on the surface of the conductor, the gravity can slide down to cause uneven coating, and the welding quality is influenced to a certain extent. Due to the adoption of the plane-type connecting parts, after the soldering paste 5 is printed or coated, the soldering paste 5 can be uniformly distributed on each connecting part and cannot be influenced by factors such as gravity, and the like, so that the welding quality can be effectively ensured.

As shown in fig. 1, the above-mentioned conductor may be a core of the covered wire cable 1, that is, a covered wire core 11, and the covered wire core 11 exposed after the covered wire 12 of the covered wire cable 1 is partially removed is processed into a connection portion. When the leather-line sheath 12 is removed, the cutting can be carried out by a cutter or a laser according to a certain interval.

The connecting portion of rubber-insulated-wire core 11 and the position cladding of pad 21 welded of LED paster lamp pearl 2 have and seal glue 4, seal the naked rubber-insulated-wire core 11 of 4 cladding of glue, seal glue 4 and can prevent that LED paster lamp pearl 2 from dropping and droing, can adapt to outdoor environment simultaneously, and is rain-proof dustproof.

The covered wire cable 1 can adopt a three-core covered wire cable 1, and comprises three covered wire cores 11, and the LED paster lamp beads 2 are connected to the two covered wire cores 11.

As shown in fig. 2, the aforementioned conductor may be a core of the copper wire cable 3, i.e. a copper wire core 31, and the exposed copper wire core 31 is processed into a connection portion after the copper wire protection layer 32 of the copper wire cable 3 is partially removed. The copper wire protection layer 32 may be removed at a certain interval by using a laser.

Copper line sinle silk 31's connecting portion and the cladding of the 21 welded position of pad of LED paster lamp pearl 2 have and seal glue 4, seal the naked copper line sinle silk 31 of 4 cladding of glue, seal glue 4 and can prevent that LED paster lamp pearl 2 from dropping and droing, can adapt to outdoor environment simultaneously, and is rain-proof dustproof.

The manufacturing process of the LED lamp comprises the following steps:

no matter adopt rubber-insulated-wire cable 1 or adopt copper line cable 3, the LED lamp all can be including: LED paster lamp pearl 2, seal glue 4 and some control circuit. The specification of rubber-insulated-wire cable 1 or copper wire cable 3 is multiple, and 2 specification models of the LED paster lamp pearl that corresponds also have multiple, but manufacturing process and flow are unanimous basically, all are on the basis of original cable, get rid of the rubber-insulated-wire skin 12 of rubber-insulated-wire cable 1 or get rid of copper wire protective layer 32 of copper wire cable 3 according to certain interval through the mode of cutter cutting or laser, obtain naked rubber-insulated-wire sinle silk 11 or copper wire sinle silk 31. Carry out the punching press in naked rubber-insulated-wire sinle silk 11 or copper line sinle silk 31 position and obtain planar connecting portion, carry out the printing (or manual paining) of soldering paste 5 at connecting portion, reuse chip mounter (or manual) places LED paster lamp pearl 2 at connecting portion, make LED paster lamp pearl 2's pad 21 connect on connecting portion when placing, thereby form stable circulating circuit, can make LED paster lamp pearl 2 luminous, seal the mode of consolidating through the point at last and protect LED paster lamp pearl 2, it can prevent that LED paster lamp pearl 2 from dropping and drop to seal glue 4, can adapt to outdoor environment simultaneously, it is rain-proof dustproof.

The principle and the implementation mode of the utility model are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.

Claims

1. An LED lamp, characterized in that: including the conductor of homopolar and with the conductor electricity is connected and is formed the LED paster lamp pearl of circular telegram return circuit, the conductor part is provided with the connecting portion of platykurtic, LED paster lamp pearl is provided with planar pad, the pad welding is in on the connecting portion.

2. The LED lamp of claim 1, wherein: the surface area of the connecting portion is greater than or equal to the surface area of the pad.

3. The LED lamp of claim 2, wherein: the surface areas of the connecting parts of the conductors which are connected with the same LED surface mounted device lamp bead and have different poles are equal.

4. The LED lamp of any of claims 1-3, wherein: the distance between two adjacent connecting parts is equal.

5. The LED lamp of claim 4, wherein: and solder paste is uniformly distributed on each connecting part.

6. The LED lamp of claim 5, wherein: the conductor is a rubber-insulated-wire core of a rubber-insulated-wire cable, and the rubber-insulated-wire core exposed behind a rubber-insulated wire skin of the rubber-insulated-wire cable is partially removed and processed into the connecting part.

7. The LED lamp of claim 6, wherein: the position where the connecting part is welded with the bonding pad is coated with sealing glue, and the sealing glue coats all the exposed rubber-insulated wire cores.

8. The LED lamp of claim 7, wherein: the rubber-insulated-wire cable comprises three cores, and the LED patch lamp beads are connected to two of the rubber-insulated-wire cores.

9. The LED lamp of claim 5, wherein: the conductor is the copper line sinle silk of copper line cable, and the part is got rid of expose behind the copper line protective layer of copper line cable copper line sinle silk is processed into connecting portion.

10. The LED lamp of claim 9, wherein: the position where the connecting part is welded with the welding disc is coated with sealing glue, and the sealing glue coats all the exposed copper wire cores.