CN210462918U - LED light source for eliminating thermal expansion and cold contraction stress of packaging plastic - Google Patents
LED light source for eliminating thermal expansion and cold contraction stress of packaging plastic Download PDFInfo
- Publication number
- CN210462918U CN210462918U CN201921761273.2U CN201921761273U CN210462918U CN 210462918 U CN210462918 U CN 210462918U CN 201921761273 U CN201921761273 U CN 201921761273U CN 210462918 U CN210462918 U CN 210462918U
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- Prior art keywords
- circuit
- light source
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- power
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- Expired - Fee Related
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- 229920003023 plastic Polymers 0.000 title claims abstract description 22
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 230000008602 contraction Effects 0.000 title claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims abstract description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract 2
- 238000010009 beating Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000008645 cold stress Effects 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model provides a LED light source for eliminating the stress of expansion caused by heat and contraction caused by cold of packaging plastics, a circuit metal plate is integrally formed by punching a conductive metal plate strip, a first power supply circuit and a second power supply circuit are respectively positioned at two sides of the LED circuit metal plate, a light source mounting area is arranged between the first power supply circuit and the second power supply circuit, a forward rotary circuit and a reverse rotary circuit are mutually matched, a forward rotary circuit and a first power supply circuit are arranged between the forward rotary circuit and the reverse rotary circuit, the LED lamp comprises a light source installation area, an insulation support, a light source installation area, an LED chip, a pre-breaking area, an electrode connection end, an insulation support and a fluorescent glue, wherein the pre-breaking area is arranged between a reverse-rotation circuit and a second power circuit, the pre-breaking area is arranged between a forward-rotation circuit and a reverse-rotation circuit, the tail end of the forward-rotation circuit and the tail end of the reverse-rotation circuit are converged in the middle of the light source installation area to form the two electrode connection ends. Adopt the utility model discloses, have prevent the fracture, need not printed circuit, pollute advantage few and with low costs.
Description
Technical Field
The utility model relates to a lighting apparatus field especially relates to an eliminate LED light source of encapsulation plastics expend with heat and contract with cold stress.
Background
The lamp is a device capable of transmitting light, distributing and changing light distribution of a light source, the lamp is used as a daily consumable, with the progress of the economic society of China, the appearance of novel light sources such as fluorescent lamps, energy-saving lamps and LED lamps makes the lamp strive towards more energy-saving, more green and environment-friendly, wherein the LED lamp has the characteristics of energy conservation, low carbon, long service life, good color rendering property, high response speed, pure light emitting color and the like, and is widely applied to various illumination places such as indoor illumination, outdoor illumination, portable illumination and the like Drilling, dry film pasting, alignment, exposure, development, etching, demoulding, surface treatment, covering film pasting, pressing, curing, surface treatment, nickel gold immersion, character printing, shearing, electrical measurement, punching and other processes, and has the advantages of multiple manufacturing steps, complex production flow and high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a LED light source of elimination encapsulation plastics expend with heat and contract with cold stress that prevent splitting, need not printed circuit, pollute less and with low costs is provided.
In order to solve the technical problem, the utility model provides a pair of eliminate LED light source of encapsulation plastics expend with heat and contract with cold stress, it includes circuit support and LED chip, circuit support includes LED circuit panel beating and insulating support, LED circuit panel beating is by the whole stamping forming of conductive metal slab band, LED circuit panel beating is equipped with first power supply line and second power supply line, first power supply line with second power supply line is parallel to each other and is located respectively the both sides of LED circuit panel beating, first power supply line with be equipped with a plurality of light source installing zones between the second power supply line, the light source installing zone includes that the shape circuit is returned to the positive commentaries on classics and the shape circuit is returned to the derotation, the shape circuit is returned to the positive commentaries on classics with the shape circuit is returned to the derotation mutually support, the shape circuit is returned to the positive commentaries on classics with between the first power supply line the derotation return the shape circuit with all be equipped with between the shape circuit of returning to the derotation and cutting off in advance The LED lamp comprises a pre-breaking area, a series-parallel circuit used for connecting each light source installation area is formed after the pre-breaking area is broken, the tail end of a forward rotating circuit and the tail end of a reverse rotating circuit of the same light source installation area are converged in the middle of the light source installation area to form two electrode connecting ends for connecting LED chips, the insulating support covers the LED circuit sheet metal, a concave lamp cup is formed in the middle of the light source installation area by the insulating support, the electrode connecting ends are exposed in the lamp cup, the LED chips are attached to the front of the electrode connecting ends, and fluorescent glue is filled in the lamp cup.
As the utility model discloses preferred scheme, insulating support is in integrative injection moulding is gone up to the basis of LED circuit panel beating.
As the utility model discloses preferred scheme, the front of insulating support is two adjacent on same capable position between the lamp cup is the fretwork setting.
As the preferred scheme of the utility model, the LED chip is LED flip chip.
As the preferred scheme of the utility model, first power supply line with second power supply line expose in insulating support.
As the utility model discloses preferred scheme, insulating support corresponds first power supply line's position is equipped with first power connection terminal, insulating support corresponds second power supply line's position is equipped with second power connection terminal.
As the preferred scheme of the utility model, it is a plurality of the light source installing zone is the matrix arrangement of mxn, and M is greater than or equal to 2, and N is greater than or equal to 2.
Implement the utility model discloses an eliminate LED light source of encapsulation plastics expend with heat and contract with cold stress, compare with prior art, have following beneficial effect:
the circuit board of the utility model adopts integral punch forming to replace the traditional printing production of the circuit board, the integral circuit layout is accurate and stable, the production process is less, the printed circuit is not needed, the waste material is easy to be recovered, the environmental pollution is less, the production automation or semi-automation is easy to be realized, the production efficiency is improved, the labor intensity of workers is reduced, and the cost is saved; simultaneously, because the produced heat of light source can make the outer cladding appear expend with heat and contract with cold's phenomenon in the outer plastic support of LED circuit panel beating (insulating support promptly) to produce stress and make plastic support crackle and split even, the event is in the utility model discloses in, through the setting of positive back of the turn.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a front view of an LED light source for eliminating stress of expansion with heat and contraction with cold of packaging plastic provided by the present invention;
FIG. 2 is a front view of an LED circuit sheet;
FIG. 3 is a schematic diagram of the pre-cut region between the forward spiral circuit and the first power line and between the forward spiral circuit and the reverse spiral circuit before disconnection;
FIG. 4 is a schematic diagram of the configuration of the pre-cut region between the forward spiral circuit and the first power line and between the forward spiral circuit and the reverse spiral circuit after disconnection;
FIG. 5 is a schematic diagram of the pre-cut region between the reverse spiral circuit and the second power supply circuit and between the forward spiral circuit and the reverse spiral circuit before disconnection;
FIG. 6 is a schematic diagram of the structure of the pre-cut region between the reverse spiral circuit and the second power supply circuit and between the forward spiral circuit and the reverse spiral circuit after disconnection;
the labels in the figure are: the LED lamp comprises a light-emitting diode (LED) circuit metal plate 1, a first power circuit 2, a second power circuit 3, a forward-rotating and reverse-rotating circuit 4, a reverse-rotating and reverse-rotating circuit 5, a pre-breaking area 6, an electrode connecting end 7, an insulating support 8, a lamp cup 9 and an LED chip 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figures 1 to 6, the utility model provides a pair of eliminate preferred embodiment of LED light source of encapsulation plastics expend with heat and contract with cold stress, it includes circuit support and LED chip 10, circuit support includes LED circuit panel beating 1 and insulating support 8, LED circuit panel beating 1 is by the whole stamping forming of conductive metal slab band, LED circuit panel beating 1 is equipped with first power supply line 2 and second power supply line 3, first power supply line 2 with second power supply line 3 is parallel to each other and is located respectively the both sides of LED circuit panel beating 1, first power supply line 2 with be equipped with a plurality of light source installing zones between the second power supply line 3, the light source installing zone includes positive circle shape circuit 4 and anti-circle shape circuit 5, positive circle shape circuit 4 with anti-circle shape circuit 5 mutually supports, positive circle shape circuit 4 with between the first power supply line 2 with, The LED lamp is characterized in that pre-breaking areas 6 are arranged between the reverse-rotation circuit 5 and the second power circuit 3 and between the forward-rotation circuit 4 and the reverse-rotation circuit 5, the pre-breaking areas 6 are disconnected to form series-parallel circuits for connecting the light source installation areas, the tail ends of the forward-rotation circuit 4 and the reverse-rotation circuit 5 in the light source installation areas are converged in the middle of the light source installation areas to form two electrode connecting ends 7 for connecting LED chips 10, the insulating support 8 covers the LED circuit sheet metal 1, the insulating support 8 forms a concave lamp cup 9 in the middle of the light source installation areas, the electrode connecting ends 7 are exposed in the lamp cup 9, the LED chips 10 are attached to the front of the electrode connecting ends 7, and fluorescent glue is filled in the lamp cup.
Therefore, the circuit board of the utility model adopts integral punch forming to replace the traditional printing production of the circuit board, the integral circuit layout is accurate and stable, the production process is less, no printed circuit is needed, the waste material is easy to recover, the environmental pollution is less, the production automation or semi-automation is easy to realize, the production efficiency is improved, the labor intensity of workers is reduced, and the cost is saved; simultaneously, because the produced heat of light source can make the outer cladding appear expend with heat and contract with cold's phenomenon in the plastic support (insulating support 8 promptly) outside LED circuit panel beating 1 to produce stress and make the plastic support crackle and split even the utility model discloses in, through the setting of positive back of the body circuit 4 and the back of the body circuit 5 of circling round, make the plastic support receive and offset each other between the stress of all directions, thereby prevent the plastic support fracture, prolong the life of product.
Still need explain be, because the positive circle shape circuit 4 with between the first power supply line 2 the anti-circle shape circuit 5 with between the second power supply line 3 and the positive circle shape circuit 4 with the anti-circle all has more pre-breaking area 6 between the shape circuit 5, has insulating support 8 in the surface cladding of LED circuit panel beating 1, can guarantee that pre-breaking area 6 is difficult loose by disconnection back LED circuit support, and the structure is more firm, owing to can hide the circuit in insulating support, plays insulating guard action simultaneously, and the circuit is more stable.
Exemplarily, the insulating support 8 is in integrative injection moulding, processing convenience on the basis of LED circuit panel beating 1.
Exemplarily, the position of the front surface of the insulating support 8 between two adjacent lamp cups 9 in the same row is hollow, so that the area of the LED circuit metal plate 1 exposed in the air is increased, and the heat dissipation is accelerated.
Illustratively, the LED chip 10 is an LED flip chip, no lead welding is needed during mounting, the mounting is convenient, the LED chip is suitable for high-current products, and the LED chip 10 is small in size and can effectively reduce the packaging volume.
Illustratively, the first power circuit 2 and the second power circuit 3 are exposed out of the insulating bracket 8, so as to facilitate external power supply.
Exemplarily, the position of the insulating support 8 corresponding to the first power line 2 is provided with a first power connection terminal, and the position of the insulating support 8 corresponding to the second power line 3 is provided with a second power connection terminal, so that the power connection terminals can be connected by matching with a conversion connector, and the power lines are led out and externally connected with a power supply.
Illustratively, a plurality of the light source mounting areas are arranged in an M × N matrix, M is greater than or equal to 2, and N is greater than or equal to 2, which is beneficial to realizing modular production.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (7)
1. An LED light source for eliminating stress of package plastic caused by thermal expansion and cold contraction is characterized by comprising a circuit support and an LED chip, wherein the circuit support comprises an LED circuit metal plate and an insulating support, the LED circuit metal plate is formed by integrally punching a conductive metal plate strip, the LED circuit metal plate is provided with a first power circuit and a second power circuit, the first power circuit and the second power circuit are parallel to each other and are respectively positioned at two sides of the LED circuit metal plate, a plurality of light source installation areas are arranged between the first power circuit and the second power circuit, the light source installation areas comprise a forward rotary circuit and a reverse rotary circuit, the forward rotary circuit and the reverse rotary circuit are matched with each other, a pre-breaking area is arranged between the forward rotary circuit and the first power circuit, between the reverse rotary circuit and the second power circuit and between the forward rotary circuit and the reverse rotary circuit, the LED lamp comprises a pre-breaking area, a forward rotating circuit, a reverse rotating circuit, an insulating support, a lamp cup, an LED chip and fluorescent glue, wherein the pre-breaking area is disconnected to form a series-parallel circuit used for connecting each light source installation area, the tail end of the forward rotating circuit and the tail end of the reverse rotating circuit of the same light source installation area are converged at the middle of the light source installation area to form two electrode connecting ends which can be connected with the LED chip, the insulating support is coated on an LED circuit metal plate, the insulating support forms a concave lamp cup in the middle of the light source installation area, the electrode connecting ends are exposed in the lamp cup, the LED chip is attached to the front of the electrode connecting ends, and the lamp cup is filled with.
2. The LED light source for eliminating the stress of package plastic caused by thermal expansion and cold contraction as claimed in claim 1, wherein the insulating support is integrally injection molded on the basis of the LED circuit sheet metal.
3. The LED light source for eliminating thermal expansion and contraction stress of packaging plastic according to claim 1, wherein the front surface of the insulating support is hollowed out at a position between two adjacent lamp cups in the same row.
4. The LED light source for relieving thermal expansion and contraction stress of packaging plastic according to claim 1, wherein the LED chip is an LED flip chip.
5. The LED light source for relieving thermal expansion and contraction stress of packaging plastic according to claim 1, wherein the first power supply circuit and the second power supply circuit are exposed out of the insulating support.
6. The LED light source for eliminating thermal expansion and contraction stress of packaging plastic as claimed in claim 1, wherein a first power connection terminal is disposed at a position of the insulating support corresponding to the first power line, and a second power connection terminal is disposed at a position of the insulating support corresponding to the second power line.
7. The LED light source for eliminating thermal expansion and contraction stress of packaging plastic according to claim 1, wherein the plurality of light source mounting areas are arranged in an M x N matrix, M is greater than or equal to 2, and N is greater than or equal to 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921761273.2U CN210462918U (en) | 2019-10-18 | 2019-10-18 | LED light source for eliminating thermal expansion and cold contraction stress of packaging plastic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921761273.2U CN210462918U (en) | 2019-10-18 | 2019-10-18 | LED light source for eliminating thermal expansion and cold contraction stress of packaging plastic |
Publications (1)
Publication Number | Publication Date |
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CN210462918U true CN210462918U (en) | 2020-05-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921761273.2U Expired - Fee Related CN210462918U (en) | 2019-10-18 | 2019-10-18 | LED light source for eliminating thermal expansion and cold contraction stress of packaging plastic |
Country Status (1)
Country | Link |
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CN (1) | CN210462918U (en) |
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2019
- 2019-10-18 CN CN201921761273.2U patent/CN210462918U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201130 Address after: Shop 108, 121 Changxing Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: South China Semiconductor (Guangdong) Co.,Ltd. Address before: 528400, No. thirteen, Lane 5, dragon First Street, Cao two town, Guzhen Town, Guangdong, Zhongshan Patentee before: Wu Shaojian |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |
|
CF01 | Termination of patent right due to non-payment of annual fee |