CN206347321U - LED lamp bead structure based on rush of current technology - Google Patents
LED lamp bead structure based on rush of current technology Download PDFInfo
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- CN206347321U CN206347321U CN201621323711.3U CN201621323711U CN206347321U CN 206347321 U CN206347321 U CN 206347321U CN 201621323711 U CN201621323711 U CN 201621323711U CN 206347321 U CN206347321 U CN 206347321U
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- led
- lamp bead
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Abstract
The utility model discloses a kind of LED lamp bead structure based on rush of current technology, including LED chip, support, fluorescent material, die bond, radiator, circuit board, spun gold, silica-gel lens, inductance, resistor, decompression capacitor, current-limiting resistance, piezo-resistance, gas-discharge tube, LED load and filter capacitor.The utility model constant-current source, power supply power consumption is small, small volume；In lamp interior circuit, using inductance as energy-storage travelling wave tube, a continual and steady electric current is provided for LED load, destruction of the moment super-high-current produced when LED lamp bead is opened to LED chip is prevented；LED parallel connection piezo-resistances and gas-discharge tube, immediate current is suppressed when short circuit occur in thunderbolt or circuit, and the various harm for preventing dash current from being caused to circuit provide a high resistance to protect LED lamp bead using resistor, from surge resistance damage；In the die bond bottom of LED lamp bead by way of directly welding radiator, increase its heat dispersion, Simultaneous Stabilization is firm.
Description
Technical field
The utility model is related to a kind of LED lamp bead, specially a kind of LED lamp bead structure based on rush of current technology, category
In LED applied technical fields.
Background technology
LED has obtained being widely recognized as lighting field as the cleaning light source of environmental protection, is used because LED/light source has
Long lifespan, energy saving, the low advantage of easy to use, maintenance cost, so in recent years and following in general illumination
Application will obtain the growth of geometric progression, with urban construction region continuous extension and new countryside construction it is a wide range of emerging
Rise, application study of the people to LED lamp bead is also more and more.
Existing LED lamp bead in use, the moment that power supply opening connects circuit be also easy to produce the rush of current of moment, easily
Circuit and LED chip are destroyed, LED service life is shortened significantly, increases cost, LED lamp bead out of doors runs into thunder and lightning in addition
Or easily occurring surge, overcurrent and overvoltage phenomenon during short circuit, the presence of these phenomenons influences LED service life.Therefore, pin
A kind of LED lamp bead structure based on rush of current technology is proposed to above mentioned problem.
Utility model content
The purpose of this utility model is that provides a kind of LED based on rush of current technology to solve the above problems
Lamp bead structure.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of LED based on rush of current technology
Pearls knot structure, including LED chip, support, die bond, radiator and silica-gel lens, the cantilever tip are provided with silica-gel lens, and silica gel
Lens interior is provided with LED chip；The LED chip surface is provided with fluorescent material, and LED chip bottom is provided with die bond；The die bond
Bottom is provided with radiator, and the LED chip connects circuit board, and LED chip connection resistor by spun gold；The resistor connects
Inductance is connect, and inductance is in parallel with decompression capacitor；LED chip connection piezo-resistance and gas-discharge tube, and piezo-resistance and
Gas-discharge tube connects LED load and filter capacitor by current-limiting resistance.
It is preferred that, the radiator be a kind of surface be provided with copper coating aluminium alloy heat radiator, and gilled radiator with
Weld die bond bottom.
It is preferred that, bonded and connected by epoxy resin adhesive between the silica-gel lens and the support.
It is preferred that, it is in parallel with the LED load after being connected between the piezo-resistance and gas-discharge tube.
It is preferred that, with the resistor in series after the inductance and decompression capacitor are in parallel.
The beneficial effects of the utility model are：LED lamp bead structure of this kind based on rush of current technology, realizes constant-current source,
Power supply power consumption is small, small volume, economical and practical；It is that LED load is carried using inductance as energy-storage travelling wave tube in lamp interior circuit
For a continual and steady electric current, destruction of the moment super-high-current produced when LED lamp bead is opened to LED chip is prevented；LED is simultaneously
Join piezo-resistance and gas-discharge tube, suppress immediate current when short circuit occur in thunderbolt or circuit, prevent dash current to circuit
The various harm caused, provide high resistance using resistor and protect LED lamp bead, from surge resistance damage；
In the die bond bottom of LED lamp bead by way of directly welding radiator, increase its heat dispersion, Simultaneous Stabilization is firm；Have good
Good economic benefit and social benefit, is adapted to promote the use of.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model circuit connection structure schematic diagram.
In figure：1st, LED chip, 2, support, 3, fluorescent material, 4, die bond, 5, radiator, 6, circuit board, 7, spun gold, 8, silica gel
Lens, 9, inductance, 10, resistor, 11, decompression capacitor, 12, current-limiting resistance, 13, piezo-resistance, 14, gas-discharge tube, 15,
LED load, 16, filter capacitor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to shown in Fig. 1-2, a kind of LED lamp bead structure based on rush of current technology, including LED chip 1, support 2,
Die bond 4, radiator 5 and silica-gel lens 8, the top of support 2 are sealed by epoxy resin adhesive with silica-gel lens 8
Dress, the inside of silica-gel lens 8 is provided with LED chip 1；The surface of LED chip 1 is provided with fluorescent material 3, the bottom of LED chip 1
Provided with die bond 4；The bottom of die bond 4 is provided with radiator 5, and the radiator 5 is welded on the lower surface of die bond 4, stable connection,
And increasing its heat dispersion, the LED chip 1 connects circuit board 6 by spun gold 7, and the LED chip 1 connects resistor 10；Institute
The connection inductance 9 of resistor 10 is stated, is that LED load 15 provides stabling current, the inductance 9 is in parallel with decompression capacitor 11；The LED
Chip 1 connects piezo-resistance 13 and gas-discharge tube 14, suppresses moment impact electric current, controls overvoltage, the piezo-resistance 13
LED load 15 and filter capacitor 16 are connected by current-limiting resistance 12 with gas-discharge tube 14.
As a kind of technical optimization scheme of the present utility model, the radiator 5 is the aluminium that a kind of surface is provided with copper coating
Alloy heat-sink device 5, and gilled radiator 5 and the welding of the bottom of die bond 4, stable connection, and increase its heat sinking function.
As a kind of technical optimization scheme of the present utility model, epoxy is passed through between the silica-gel lens 8 and the support 2
The bonding connection of resin system cementing agent, increases its sealing property.
As a kind of technical optimization scheme of the present utility model, connected between the piezo-resistance 13 and gas-discharge tube 14
It is in parallel with the LED load 15 afterwards, suppress overvoltage.
As a kind of technical optimization scheme of the present utility model, with the electricity after inductance 9 and decompression capacitor 11 parallel connection
Resistance device 10 is connected, and is that LED load 15 provides stabling current.
When in use, LED lamp bead structure of this kind based on rush of current technology is electric after being powered by power supply for the utility model
Sense 9 is that LED load 15 provides stable electric current as energy-storage travelling wave tube, while the circuit after 11 pairs of decompression capacitor is connected is depressured
Processing, prevents infringement of the high voltage after connecting to LED load 15, and resistor 10 further suppresses overcurrent during power on
Phenomenon；After circuit is connected, the function of current is when LED chip 1, and the electronics of generation will be pushed to the P areas of LED chip 1,
Electronics will send energy with hole-recombination in P areas, then LED load 15 in the form of photon in P areas, reach the mesh of illumination
, piezo-resistance 13 and gas-discharge tube 14, which are combined, can suppress the immediate current of thunder and lightning or short circuit and reach the pressure-resistant work that insulate
With the electric current of 12 pairs of entrance of filter capacitor 16 and current-limiting resistance is filtered and current limliting processing, and LED is protected.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (5)
1. a kind of LED lamp bead structure based on rush of current technology, including LED chip (1), support (2), die bond (4), radiator
And silica-gel lens (8) (5), it is characterised in that：Support (2) top is provided with silica-gel lens (8), and silica-gel lens (8) are internal
Provided with LED chip (1)；LED chip (1) surface is provided with fluorescent material (3), and LED chip (1) bottom is provided with die bond (4)；Institute
Die bond (4) bottom is stated provided with radiator (5), the LED chip (1) connects circuit board (6), and LED chip by spun gold (7)
(1) connection resistor (10)；Resistor (10) the connection inductance (9), and inductance (9) is in parallel with decompression capacitor (11)；It is described
LED chip (1) connects piezo-resistance (13) and gas-discharge tube (14), and piezo-resistance (13) and gas-discharge tube (14) pass through
Current-limiting resistance (12) connection LED load (15) and filter capacitor (16).
2. the LED lamp bead structure according to claim 1 based on rush of current technology, it is characterised in that：The radiator
(5) aluminium alloy heat radiator (5) of copper coating is provided with for a kind of surface, and gilled radiator (5) is welded with die bond (4) bottom.
3. the LED lamp bead structure according to claim 1 based on rush of current technology, it is characterised in that：The silica gel is saturating
It is connected between mirror (8) and the support (2) by epoxy resin adhesive bonding.
4. the LED lamp bead structure according to claim 1 based on rush of current technology, it is characterised in that：The pressure-sensitive electricity
It is in parallel with the LED load (15) after being connected between resistance (13) and gas-discharge tube (14).
5. the LED lamp bead structure according to claim 1 based on rush of current technology, it is characterised in that：The inductance (9)
Connected with after decompression capacitor (11) parallel connection with the resistor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323711.3U CN206347321U (en) | 2016-12-05 | 2016-12-05 | LED lamp bead structure based on rush of current technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323711.3U CN206347321U (en) | 2016-12-05 | 2016-12-05 | LED lamp bead structure based on rush of current technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347321U true CN206347321U (en) | 2017-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621323711.3U Active CN206347321U (en) | 2016-12-05 | 2016-12-05 | LED lamp bead structure based on rush of current technology |
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| Country | Link |
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| CN (1) | CN206347321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259672A (en) * | 2020-10-22 | 2021-01-22 | 深圳市宇亮光电技术有限公司 | Low-power LED lamp bead low-thermal-resistance packaging structure and packaging process |
-
2016
- 2016-12-05 CN CN201621323711.3U patent/CN206347321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259672A (en) * | 2020-10-22 | 2021-01-22 | 深圳市宇亮光电技术有限公司 | Low-power LED lamp bead low-thermal-resistance packaging structure and packaging process |
| CN112259672B (en) * | 2020-10-22 | 2021-06-08 | 深圳市宇亮光电技术有限公司 | Low-power LED lamp bead low-thermal-resistance packaging structure and packaging process |
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