CN214948824U - Novel lamp pearl is with protection device - Google Patents
Novel lamp pearl is with protection device Download PDFInfo
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- CN214948824U CN214948824U CN202120893040.9U CN202120893040U CN214948824U CN 214948824 U CN214948824 U CN 214948824U CN 202120893040 U CN202120893040 U CN 202120893040U CN 214948824 U CN214948824 U CN 214948824U
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- lamp pearl
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Abstract
The utility model is suitable for a lamp pearl protection field provides a novel protection device for lamp pearl, including protection device main casing, protection device shell top cap, lamp pearl installation base, inside wiring installation circuit board, lamp pearl base and epoxy lens, the nested prominent top of lamp pearl installation base is equipped with lamp pearl installation base, and the bottom of lamp pearl installation base is equipped with anodal cut-in support and negative pole cut-in support, and the side of inside wiring installation circuit board still is equipped with exposed plate electrode, is equipped with the LED chip on the exposed plate electrode, the utility model discloses a LED chip is direct with exposed plate electrode welding, the effectual heat that produces the chip transmits to the electrode, the effectual light decay that reduces, has improved the usability of lamp pearl; the utility model discloses still can effectually prevent through being equipped with the self-resuming fuse that the lamp pearl from leading to the current increase and damaging the condition of lamp pearl because of various reasons, provide effectual protection, the effectual life who improves the lamp pearl to the circuit of lamp pearl.
Description
Technical Field
The utility model belongs to lamp pearl protection field especially relates to a novel protection is used to lamp pearl device.
Background
As a new generation of semiconductor light emitting device, the light emitting diode LED has the characteristics of high luminous efficiency, long service life, environmental protection, energy saving and the like, and is continuously replacing the conventional lighting technology and being emphasized. The LED lamp bead is widely used in a plurality of production fields such as lighting, LED large screen display, traffic lights, decoration, computers, electronic toy gifts, exchangers, telephones, advertisements, urban light and color engineering, the protection of the existing LED lamp bead is generally to plate a protective film of parylene, parylene is a protective high polymer material, Chinese name, parylene can be deposited in a vacuum gas phase, the good penetrating power of parylene active molecules can form a pinhole-free transparent insulating coating with uniform thickness inside and at the bottom of the element and around the element, a complete high-quality protective coating is provided for the element, and the invasion of acid-base, salt mist, mould and various corrosive gas pieces is resisted, so that the LED lamp bead has the effects of moisture protection, mould prevention, corrosion prevention and salt mist prevention; however, the parylene protection film is not ultraviolet-proof and can not absorb heat, so that LED lamp beads can be damaged when the parylene protection film is plated, and the consequences of demoulding, aging, yellowing and the like can be caused; and LED lamp pearl belongs to the device of voltage sensitive type, and protection to the circuit has been neglected to most lamp pearl protection device, and LED lamp pearl is with 20 mA's electric current as the upper limit in actual work, but often can cause the electric current increase because of various reasons in use, if do not take protective measures, LED lamp pearl will damage after this kind of increased electric current surpassed certain time and range.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel protection device for lamp pearl aims at solving most lamp pearl protection device and ultraviolet protection and also can not absorb the heat and neglected the protection to the circuit, can lead to the problem that LED lamp pearl damaged because of reasons such as power supply voltage's sudden rising, local short circuit easily.
The utility model discloses a realize like this, a novel protection device for lamp pearl, including protection device main casing, protection device shell top cap, lamp pearl installation base, inside wiring installation circuit board, lamp pearl base and epoxy lens, its characterized in that: the top of the main shell of the protection device is provided with a top cover mounting groove, the top cover of the shell of the protection device is mounted on the top of the main shell of the protection device through a top cover mounting protrusion arranged at the bottom, a lamp bead mounting base nesting protrusion is arranged inside the main shell of the protection device, a base nesting groove is arranged at the bottom of the lamp bead mounting base, the lamp bead mounting base is arranged at the top of the lamp bead mounting base nesting protrusion, an anode direct-insert support and a cathode direct-insert support are arranged at the bottom of the lamp bead mounting base, an internal wiring mounting circuit board is arranged at the top of the lamp bead mounting base, a self-recovery fuse and an electronic element are arranged at the side edge of the internal wiring mounting circuit board, the lamp bead base is arranged at the top of the internal wiring mounting circuit board, and the epoxy resin lens and the layered transparent rubber plate are arranged at the top of the lamp bead base, a filling cavity is formed between the epoxy resin lens and the layered transparent rubber plate, a fluorescent powder cavity is formed inside the layered transparent rubber plate, an exposed electrode plate is further arranged on the side edge of the internal wiring installation circuit board, and an LED chip is arranged on the exposed electrode plate.
Furthermore, a parylene protection film is plated on the surface of the internal routing installation circuit board.
Furthermore, the side wall of the internal wiring installation circuit board is provided with four LED chips and four self-recovery fuses, and one self-recovery fuse is connected with one LED chip in series.
Furthermore, the self-recovery fuse is a high molecular polymer thermistor, and is composed of a polymer, conductive particles and the like.
Furthermore, the inner wall of the main shell of the protection device is provided with a copper foam heat absorption material.
Furthermore, the exposed electrode plate and the LED chip are connected by welding.
Furthermore, the material of lamp pearl base is pottery.
Furthermore, the distance between the positive electrode straight-inserting support and the negative electrode straight-inserting support is 4 mm.
Furthermore, the top cover of the protective device shell is made of transparent organic glass.
About implementing the utility model discloses a beneficial technological effect does: the utility model effectively transmits the heat generated by the chip to the electrode by directly welding the LED chip with the exposed electrode plate, thereby effectively reducing the light attenuation of the lamp and improving the usability of the lamp bead; the utility model also can effectively prevent the lamp bead from being damaged due to the current increase caused by various reasons by arranging the self-recovery fuse, thereby providing effective protection for the circuit of the lamp bead and effectively prolonging the service life of the lamp bead; the utility model discloses still can effectual reduction lamp pearl receive the damage that external impact caused through being equipped with protection device main casing and protection device shell top cap.
Drawings
FIG. 1 is a view showing the structure of each component of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an internal structural view of the present invention;
FIG. 4 is a detail view of the present invention;
fig. 5 is an internal structural view of an epoxy lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, a novel protection device for lamp pearl, including protection device main casing 1, protection device shell top cap 2, lamp pearl installation base 3, inside walk line installation circuit board 4, lamp pearl base 5 and epoxy lens 6, its characterized in that: the top of the main shell 1 of the protection device is provided with a top cover installation groove 9, the top cover 2 of the protection device shell is installed on the top of the main shell 1 of the protection device through a top cover installation protrusion 10 arranged at the bottom, a lamp bead installation base nesting protrusion 16 is arranged inside the main shell 1 of the protection device, a base nesting groove 17 is arranged at the bottom of the lamp bead installation base 3, a lamp bead installation base 3 is arranged at the top of the lamp bead installation base nesting protrusion 16, an anode direct-insert support 7 and a cathode direct-insert support 8 are arranged at the bottom of the lamp bead installation base 3, an internal wiring installation circuit board 4 is arranged at the top of the lamp bead installation base 3, a self-recovery fuse 15 and an electronic element 11 are arranged at the side edge of the internal wiring installation circuit board 4, a lamp bead base 5 is arranged at the top of the internal wiring installation circuit board 4, an epoxy resin lens 6 and a layered transparent rubber plate 13 are arranged at the top of the lamp bead base 5, a filling cavity 12 is formed between the epoxy resin lens 6 and the layered transparent rubber plate 13, a fluorescent powder cavity 14 is formed inside the layered transparent rubber plate 13, an exposed electrode plate 19 is further arranged on the side edge of the internal wiring installation circuit board 4, and an LED chip 18 is arranged on the exposed electrode plate 19.
The surface of the internal wiring installation circuit board 4 is plated with a parylene protection film which can achieve the basic effects of water resistance, mildew resistance, corrosion resistance and the like.
Four LED chips 18 and four self-recovery fuses 15 are arranged on the side wall of the internal wiring installation circuit board 4, one self-recovery fuse 15 is connected with one LED chip 18 in series, each branch provides protection, the protection accuracy is high, and the reliability is high.
The self-recovery fuse 15 is a high molecular polymer thermistor, and is composed of a polymer, conductive particles and the like, so that self-recovery is facilitated.
The inner wall of the main shell 1 of the protection device is provided with a foam copper heat-absorbing material, so that overheating of the lamp beads can be effectively prevented.
The exposed electrode plate 19 and the LED chip 18 are connected by soldering, so that heat generated by the LED chip 18 is directly transferred to the electrodes.
The material of lamp pearl base 5 is ceramic, and ceramic material has high hardness, oxidation resistant characteristic.
The interval between the positive pole cut straightly support 7 and the negative pole cut straightly support 8 is 4mm, and it is convenient to settle.
The material of protection device shell top cap 2 is transparent organic glass, can effectively reduce the external impact to the lamp pearl.
The utility model discloses a theory of operation does: when the normal working current passes through or the component is at the normal ambient temperature, the self-recovery fuse 15 is in a low-resistance state; when an abnormal overcurrent passes through the circuit or the environmental temperature rises, the polymer contained in the self-recovery fuse 15 is rapidly expanded by the heat generated by large current or the rise of the environmental temperature, so that a conductive path formed by conductive particles is cut off, and the self-recovery fuse 15 is in a high-resistance state; when the over-current over-temperature state disappears in the circuit, the polymer contained in the self-recovery fuse 15 is cooled, the volume is recovered to be normal, and the conductive particles form a conductive path again, so that the circuit of the lamp bead can be effectively protected.
About implementing the utility model discloses a beneficial technological effect does: the utility model effectively transmits the heat generated by the chip to the electrode by directly welding the LED chip 18 with the exposed electrode plate 19, thereby effectively reducing the light attenuation of the light and improving the usability of the lamp bead; the utility model also can effectively prevent the lamp bead from being damaged due to the current increase caused by various reasons by arranging the self-recovery fuse 15, thereby effectively protecting the circuit of the lamp bead and effectively prolonging the service life of the lamp bead; the utility model discloses still can effectual reduction lamp pearl receive the damage that external impact caused through being equipped with protection device main casing 1 and protection device shell top cap 2.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a novel protection device for lamp pearl, includes protection device main casing (1), protection device shell top cap (2), lamp pearl installation base (3), inside line installation circuit board (4), lamp pearl base (5) and epoxy lens (6), its characterized in that: the top of the main shell (1) of the protection device is provided with a top cover mounting groove (9), the top cover (2) of the main shell of the protection device is mounted at the top of the main shell (1) of the protection device through a top cover mounting protrusion (10) arranged at the bottom, a lamp bead mounting base nesting protrusion (16) is arranged inside the main shell (1) of the protection device, a base nesting groove (17) is arranged at the bottom of the lamp bead mounting base (3), the lamp bead mounting base (3) is arranged at the top of the lamp bead mounting base nesting protrusion (16), an anode direct-insert support (7) and a cathode direct-insert support (8) are arranged at the bottom of the lamp bead mounting base (3), an internal mounting wiring board (4) is arranged at the top of the lamp bead mounting base (3), a self-recovery fuse (15) and an electronic element (11) are arranged at the side edge of the internal mounting wiring board (4), the top of inside wiring mounting circuit board (4) is equipped with lamp pearl base (5), the top of lamp pearl base (5) is equipped with epoxy lens (6) and layering transparent rubber plate (13), epoxy lens (6) with be formed with between layering transparent rubber plate (13) and fill chamber (12), the inside of layering transparent rubber plate (13) is formed with phosphor powder chamber (14), the side of inside wiring mounting circuit board (4) still is equipped with exposed electrode board (19), be equipped with LED chip (18) on exposed electrode board (19).
2. The novel protection device for lamp beads of claim 1, wherein: and a parylene protective film is plated on the surface of the internal wiring installation circuit board (4).
3. The novel protection device for lamp beads of claim 1, wherein: the side wall of the internal wiring installation circuit board (4) is provided with four LED chips (18) and four self-recovery fuses (15), and one self-recovery fuse (15) and one LED chip (18) are connected in series.
4. The novel protection device for lamp beads of claim 1, wherein: the self-recovery fuse (15) is a high molecular polymer thermistor and is composed of a polymer, conductive particles and the like.
5. The novel protection device for lamp beads of claim 1, wherein: and a foam copper heat-absorbing material is arranged on the inner wall of the main shell (1) of the protection device.
6. The novel protection device for lamp beads of claim 1, wherein: the exposed electrode plate (19) and the LED chip (18) are connected in a welding mode.
7. The novel protection device for lamp beads of claim 1, wherein: the lamp bead base (5) is made of ceramic.
8. The novel protection device for lamp beads of claim 1, wherein: the distance between the positive pole direct-insert support (7) and the negative pole direct-insert support (8) is 4 mm.
9. The novel protection device for lamp beads of claim 1, wherein: the protective device shell top cover (2) is made of transparent organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893040.9U CN214948824U (en) | 2021-04-27 | 2021-04-27 | Novel lamp pearl is with protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893040.9U CN214948824U (en) | 2021-04-27 | 2021-04-27 | Novel lamp pearl is with protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214948824U true CN214948824U (en) | 2021-11-30 |
Family
ID=79064495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120893040.9U Active CN214948824U (en) | 2021-04-27 | 2021-04-27 | Novel lamp pearl is with protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214948824U (en) |
-
2021
- 2021-04-27 CN CN202120893040.9U patent/CN214948824U/en active Active
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