CN212776927U

CN212776927U - LED lamp strip wrapped with waterproof insulating PVC resin

Info

Publication number: CN212776927U
Application number: CN201921801728.9U
Authority: CN
Inventors: 王定锋; 徐文红; 冉崇友; 徐磊; 琚生涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2021-03-23
Anticipated expiration: 2029-10-16

Abstract

The utility model relates to a LED lamp area of outsourcing waterproof insulation PVC resin, particularly, make into the winding displacement with the PVC membrane that the area was glued and paste parallel wire, then will weld the short naked lamp area of circuit board that includes the LED component, arrange to assemble on the winding displacement head and the tail, and form welded connection with naked lamp area and winding displacement, then reuse extruder makes the PVC package that melts take the naked lamp area of winding displacement on, the PVC on outsourcing PVC and the winding displacement has formed to melt the bonding fixed, the lamp area and the outsourcing PVC of making are even to be a whole.

Description

LED lamp strip wrapped with waterproof insulating PVC resin

Technical Field

The utility model relates to a LED lamp area field, concretely relates to outsourcing waterproof insulation PVC resin's LED lamp area.

Background

The prior art is provided with the following scheme for manufacturing the externally wrapped waterproof insulating lamp:

1. the mode of PVC resin fixed circuit board is, PVC presss from both sides the both sides that the lamp area circuit board does not have the component and forms fixedly, and this kind of mode just must make the circuit board design into both sides respectively have the flange edge that does not weld the component, makes the circuit with high costs, and outsourcing PVC resin still must design the clamp structure of preparation clamp circuit board in the inside in addition, has increased the quantity of outsourcing PVC resin, has increased PVC's cost.

2. Because a reflow soldering machine is needed after the LED lamp beads are attached to the traditional circuit board, the circuit board is made of insulating materials PI or PET with high temperature resistance level, the temperature resistance level is larger than or equal to 200 ℃, the PI and PET cannot be bonded with the outer waterproof PVC resin, so that the relative positions of the LED lamp strip and the outer waterproof PVC resin can be fixed only by forming a clamping structure by the outer waterproof PVC resin, the PVC resin is low in temperature resistance, and melts into a viscous PVC adhesive at 185 ℃, and the PVC cannot be subjected to reflow soldering.

In order to overcome the defects and shortcomings, the PVC used in the utility model avoids the process of reflow soldering after the circuit board is pasted with LED lamp beads, firstly, a connected long flat cable containing a plurality of lamp strip flat cables is manufactured, the long flat cable is a long flat cable made by bonding a plurality of parallel wires by a film, or a long flat cable made by bonding a plurality of parallel wires by two films, at least one film is a PVC film, and at least one film is a film with glue, conducting points exposing flat cable metal are manufactured on the two films or one film, then a plurality of short bare lamp strips of the circuit board welded with LED lamps are manufactured, the head and the tail are welded on the flat cable to form fixation and conduction, or the head and the tail are adhered on the long flat cable by an adhesive, then the circuit board and the flat cable are welded and conducted, the back of the manufactured assembled type is the LED long bare lamp strip of the PVC film, the long bare lamp strip is characterized in that, many short naked lamp areas and long winding displacement weld together, or both the adhesion and weld together, every short naked lamp area has all switched on with long winding displacement welded connection, and the back in long naked lamp area is the PVC membrane, extrude long naked lamp area on with the extruder after melting PVC and form the parcel, after PVC melts at high temperature, PVC is exactly viscous PVC adhesive at high temperature, when long naked lamp area of LED passes through from the high temperature extruder die cavity, long naked lamp area back PVC membrane preheats, PVC that melts when extruding forms the adhesive bonding of fusion with the PVC membrane at the long naked lamp area back, make naked lamp area and outsourcing PVC connect into an organic whole at the contact surface part or whole, after the water-cooling, the LED lamp area of a outsourcing waterproof insulation PVC resin has been made promptly. The lamp belt circuit board is narrower in width, cost is saved, and wrapped PVC glue does not need to be provided with a plurality of edge pressing structures, so that PVC glue stock and cost are saved.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a LED lamp area of outsourcing waterproof insulation PVC resin, specifically say, the winding displacement is makeed into with the PVC membrane that the area was glued parallel wire, then will weld the short naked lamp area of circuit board that contains the LED component, the head and the tail is arranged and is assembled on the winding displacement, and form welded connection with naked lamp area and winding displacement, then reuse extruder makes the PVC package that melts take the naked lamp area of winding displacement, PVC on outsourcing PVC and the winding displacement has formed to melt the bonding fixed, the lamp area of making and outsourcing PVC link into a whole.

According to the utility model also provides a LED lamp area of outsourcing waterproof insulation PVC resin, include: a component including an LED lamp; a plurality of circuit boards; a long flat cable with a PVC film on the back; wrapping PVC resin; it is characterized in that the circuit board is a flexible circuit board, components including LED lamps are welded on the circuit board to form a short bare lamp strip, a long row line with a PVC film on the back is a long row line formed by bonding a plurality of leads with a PVC film with glue, or a double-layer film, at least one film of which is a film with glue, two layers of films sandwich and bond a plurality of leads to form a long row line, exposed metal welded with the short bare lamp strip is arranged on the long row line, a plurality of short bare lamp strips are arranged end to end and welded on the long row line, or a plurality of short bare lamp strips are bonded with glue and welded on the long row line, the outer PVC resin forms a whole-circumference closed package for the long bare lamp strip in the longitudinal direction of the long bare lamp strip, the PVC film on the back of the long row line is also a PVC film on the back of the lamp strip and the outer PVC resin form a fusion type bonding for bonding the long lamp strip and the PVC resin together, the circuit board is a single-layer circuit board or a double-layer circuit board.

According to the utility model discloses a preferred embodiment, a LED lamp area of outsourcing waterproof insulation PVC resin, the winding displacement when becoming the winding displacement by the glued PVC membrane bonding multiconductor of individual layer area, can make one deck printing ink layer formation insulating layer in the one side of the no membrane of winding displacement, it has the pad window to open on the printing ink layer for connect with short naked lamp area and switch on.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below.

Drawings

The features, objects, and advantages of the present invention will become more apparent from the reading of the specification in conjunction with the following drawings, a brief description of which follows.

Fig. 1 is a schematic plan view of a short bare lamp strip.

Fig. 2 is a plan view of a flat cable juxtaposed with a single-layer film, seen from the front.

Fig. 3 is a plan view of a long flat cable, a layer of adhesive PVC, a layer of adhesive PET, and wires.

FIG. 4 is a plan view of a long flat cable, a layer of PVC without adhesive, a layer of PET with adhesive, and wires

Fig. 5 is a schematic plan view of a long flat cable with a PET film on the front side.

FIG. 6 is a schematic plan view of a long strand front face without a film.

Fig. 7 is a schematic view of a long row line and a front surface of a long bare lamp strip.

Fig. 8 is a schematic view of a long row line and a partial cross section of a long bare lamp strip.

Fig. 9 is a schematic cross-sectional view of a single assembled LED long bare strip coated with insulating and waterproof resin to prepare a LED long bare strip coated with waterproof and insulating PVC resin.

Fig. 10 is a schematic plan view of a two-layer film conjoined long flat cable, with juxtaposed flat wires viewed from the front.

Fig. 11 is a schematic plan view of a long row of conjoined single-layer films, juxtaposed flat wires, viewed from the front.

Fig. 12 is a schematic front view of the connected short bare lamp strip.

Fig. 13 is a schematic plan view of an adhesive printed on a local position on the back surface of a connected LED short bare lamp strip including a plurality of lamp strips.

FIG. 14 is a schematic view of a long row of lines with glue arranged end to end

Detailed Description

The present invention will be described in detail below by taking preferred embodiments as examples.

It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.

Example one

1. Manufacturing the short bare lamp strip:

a traditional SMT (surface mount technology) chip technology is adopted, and a short bare lamp strip (shown in figure 1) is manufactured by welding lamp bead 1.1 and resistor 1.2 electronic components on a circuit board for standby.

2. Manufacturing a long flat cable:

a plurality of long wires 2.3 are adhered to a layer of PVC film 2.1 with glue 2.2 to form a long flat cable, or a plurality of wires 2.3 are adhered to a layer of PVC film 2.1 with glue 2.2 and a layer of PET film 2.5 with glue 2.2 to form a long flat cable 5.2, then the film 2.5 and the glue 2.2 are cut off by a laser machine, and welding points 2.4 are exposed to form a long flat cable 5.1 (as shown in figures 2, 3, 4, 5 and 6) for standby.

3. Manufacturing the long bare lamp strip:

a plurality of short bare lamp strips 7.3 are arranged end to end and adhered to a long flat cable 7.1 by glue 7.2, and then are welded and connected with the long flat cable 7.1 to be conducted to form the long bare lamp strips, and the long bare lamp strips are always provided with PVC films 2.1 on the back surfaces of the lamp strips (shown in figures 7 and 8).

4. The manufacturing of the LED lamp strip wrapped with the waterproof insulating PVC resin:

heating and melting PVC resin 8.1 by a Longxin extruder and extruding the PVC resin on a long bare lamp strip to wrap the bare lamp strip with a PVC film 2.1 on the back surface, wherein when the PVC film 2.1 on the back surface of the lamp strip touches PVC resin 8.1 melted at high temperature during extrusion, the PVC film 2.1 is heated to be fused with the PVC resin 8.1 melted at high temperature and firmly bonded together, so that the bare lamp strip and the outer package PVC resin are firmly bonded together to form an integral structure, and then cooling and shaping are carried out by a water cooling tank, thus the waterproof insulated LED lamp strip (shown in figure 9) with the circuit board and the outer package PVC resin firmly bonded together is manufactured.

Example two

1. Manufacturing the short bare lamp strip:

electronic components such as lamp beads 1.1, resistors 1.2 and the like are welded on a circuit board by adopting a traditional SMT (surface mount technology) chip mounting process to manufacture a short bare lamp strip (as shown in figure 13) for standby.

2. Manufacturing the connected long flat cable:

a layer of PVC film 2.1 with glue 2.2 is pasted with a plurality of long leads 2.3 to be made into a connected long flat cable containing a plurality of long flat cables, or a layer of PVC film 2.1 with glue 2.2 and a layer of PET film 2.5 with glue 2.2 are pasted with a plurality of leads 2.3 in a clamping way to be made into a connected long flat cable, then a laser machine is used for cutting off the film and the glue to expose welding points 2.4 to be made into a connected long flat cable 9.1 or 10.1 (as shown in figure 10 and figure 11) for standby.

3. Manufacturing the connected long bare lamp strip:

a plurality of connected short bare lamp strips 12.1 containing a plurality of short bare lamp strips are adhered to a connected long flat cable 9.1 or 10.1 containing a plurality of long flat cables by glue 13.1 in an end-to-end arrangement mode, and then are in conduction with the long flat cable in a welding mode 6.1 (as shown in figures 10, 11, 12, 13 and 14).

4. Production of single long bare lamp strip

And (3) slitting by using a slitting machine to prepare a single long bare lamp strip, wherein the PVC film 2.1 on the long bare lamp strip is always positioned on the back of the lamp strip.

5. The manufacturing of the LED lamp strip wrapped with the waterproof insulating PVC resin:

the PVC resin 8.1 is heated and melted by an extruder and extruded on a long bare lamp strip, so that the bare lamp strip wrapped with the PVC film 2.1 on the back surface is coated, when the PVC film 2.1 on the back surface of the lamp strip touches the PVC resin 8.1 melted at high temperature during extrusion, the PVC film 2.1 is heated to be fused with the PVC melted at high temperature and firmly bonded together, so that the bare lamp strip and the outer package PVC resin are firmly bonded together to form an integral structure, and then the integral structure is cooled and shaped by a water cooling tank, thus the waterproof insulated LED lamp strip (shown in figure 9) with the circuit board and the outer package PVC resin firmly bonded together is manufactured.

The present invention has been described in detail with reference to the accompanying drawings, which illustrate specific embodiments of a LED strip coated with a waterproof and insulating PVC resin. It will be understood by those skilled in the art, however, that the foregoing is illustrative and descriptive of some specific embodiments only, and not limiting as to the scope of the invention, and particularly the scope of the claims.

Claims

1. An LED lamp strip coated with waterproof insulating PVC resin comprises:

a component including an LED lamp;

a plurality of circuit boards;

long lines with PVC films on the back;

wrapping PVC resin;

it is characterized in that the circuit board is a flexible circuit board, components including LED lamps are welded on the circuit board to form a short bare lamp strip, the long flat cable with the PVC film on the back is a long flat cable formed by bonding a plurality of wires with a layer of PVC film with glue, or a double-layer film, wherein at least one film is a film with glue, the two layers of films sandwich and stick a long row line formed by a plurality of conducting wires, the long row line is provided with exposed metal welded with the short bare lamp strips, the short bare lamp strips are arranged end to end and welded on the long row line, or a plurality of short bare lamp strips are adhered by glue and welded on the long row line, the PVC resin wrapped outside forms a complete-circle closed package on the long bare lamp strip in the longitudinal direction of the long bare lamp strip, the PVC film on the back of the long row line is also a fusion type bonding formed by the PVC film on the back of the lamp strip and the PVC resin wrapped outside, so that the lamp strip and the PVC resin wrapped outside are bonded into a whole, and the circuit board is a circuit board of a single-layer circuit or a circuit board of a double-layer circuit.

2. The LED lamp strip wrapped with the waterproof and insulating PVC resin as claimed in claim 1, wherein the flat cable is formed by bonding multiple wires with a single layer of PVC film with adhesive, and an ink layer is formed on the non-film surface of the flat cable to form an insulating layer, and the ink layer has a pad window for connecting and conducting with a short bare lamp strip.