CN206558546U - Low-temperature-rise LED light emitting diodes - Google Patents
Low-temperature-rise LED light emitting diodes Download PDFInfo
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- CN206558546U CN206558546U CN201720684200.2U CN201720684200U CN206558546U CN 206558546 U CN206558546 U CN 206558546U CN 201720684200 U CN201720684200 U CN 201720684200U CN 206558546 U CN206558546 U CN 206558546U
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Abstract
The utility model provides a kind of low-temperature-rise LED light emitting diodes.The low-temperature-rise LED light emitting diodes include LED lamp bead, lens, terminal pin, and the LED lamp bead includes luminescent wafer and connects anode rod or cathode rod that the luminescent wafer provides electric current, and the LED lamp bead is cladded with one layer of heat conduction fluorescent glue；The low-temperature-rise LED light emitting diodes are additionally included in the resistance that the anode rod or cathode rod are series in the lens and the radiator being arranged at below LED lamp bead, and the both sides of radiator described in the terminal pin from LED lamp bead insertion are drawn；The radiator is circular configuration, and its circle end face is axially arranged with multiple fin, and the radiator is cladded with one layer of thermal dispersant coatings.Compared with correlation technique, the low-temperature-rise LED light emitting diodes that the utility model is provided can realize that electric current is self-regulated, it is to avoid temperature exceedes preset temperature and influences the normal of LED light emitting diodes to use, and the increased area of dissipation of radiator, and heat dispersion is more preferable.
Description
Technical field
The utility model is related to field of illuminating lamps, more particularly to a kind of low-temperature-rise LED light emitting diodes.
Background technology
LED light emitting diodes are made up of the compound of gallium (Ga) and arsenic (As), phosphorus (P), nitrogen (N), indium (In), when electronics with
Visible ray can be given off during hole-recombination, as indicator lamp in circuit and instrument, or composition word or numerical monitor.It is luminous
Diode belongs to semiconductor element, as a kind of efficient light emitting source, with various features such as environmental protection, power saving, long lifespans,
It is widely used in various fields, the illuminating product such as power supply indicator, domestic lighting, electronic board.LED light emitting diodes
Operationally, often produce heat, sometimes because generation heat small space can not realize forced convertion radiate, cause to dissipate
Thermal effect is poor, and influence LED light emitting diodes are normally used.
In existing LED LED designs scheme, typically powered by the way of constant current or constant pressure to LED, this
The mode of kind can cause the service life that LED light emitting diodes are greatly shortened in the case of environment temperature rise or itself temperature rise
Therefore, it is necessary to which providing a kind of low-temperature-rise LED light emitting diodes solves above technical problem.
Utility model content
The purpose of this utility model is to provide a kind of electric current self-regulation, the low-temperature-rise LED light emitting diodes with radiator.
The utility model provides a kind of low-temperature-rise LED light emitting diodes, including LED lamp bead, lens, terminal pin, the LED
Lamp bead includes luminescent wafer and connects anode rod or cathode rod that the luminescent wafer provides electric current, the LED lamp bead overcoating one
Layer heat conduction fluorescent glue；The low-temperature-rise LED light emitting diodes, which are additionally included in the lens, is series at the anode rod or negative electrode
The resistance of bar and the radiator being arranged at below LED lamp bead, the both sides of radiator are drawn described in the terminal pin from LED lamp bead insertion
Go out；The radiator is circular configuration, and its circle end face is axially arranged with multiple fin, and the radiator is cladded with one layer of heat-radiation coating
Layer.
It is preferred that, the fin is, around radiator central shaft annular array and in the fin structure to external radiation, to incite somebody to action
The side wall of the radiator forms multiple heat conducting walls.
It is preferred that, the resistance is PTC thermistor, and its resistance is between the Ω of 0.1 Ω~10.
It is preferred that, the radiator is connected by conducting resinl or tin cream with anode rod and cathode rod.
It is preferred that, the side of the heat conducting wall is the curved surface with concave or convex.
It is preferred that, the radiator is alumiaum article or ceramic member.
Compared with correlation technique, the low-temperature-rise LED light emitting diodes that the utility model is provided have the advantages that：
First, the resistance can realize that electric current is self-regulated, it is to avoid temperature exceedes preset temperature and influences LED light emitting diodes
Normally use；
2nd, the radiator is axially arranged, and heat conducting wall is curved-surface structure, and Homogeneouslly-radiating can be achieved, and strengthens heat-sinking capability, prolongs
Long LED light emitting diodes service life.
Brief description of the drawings
The structural representation for the low-temperature-rise LED light emitting diodes that Fig. 1 provides for the utility model；
Fig. 2 is Fig. 1 upward view.
Embodiment
Describe the utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the utility model can be mutually combined.For sake of convenience, hereinafter such as
There are " on ", " under ", "left", "right" printed words, only represent that the upper and lower, left and right direction with accompanying drawing in itself is consistent, not to structure
Play restriction effect.
As shown in Figure 1 and Figure 2, the low-temperature-rise LED light emitting diodes include LED lamp bead 1, lens 2, terminal pin 3, radiating
Body 4 and resistance 5.LED lamp bead includes chip 11, anode rod 12 and cathode rod 13.Anode rod 12 and cathode rod 13 the connection branch
Support the chip 11 and provide electric current to the chip 11 and lighted by it.The LED lamp bead is cladded with one layer of heat conduction fluorescent glue.This is led
Hot fluorescent glue doping fluorescent powder and is added nano aluminum nitride and formed in transparent silica gel, utilizes the high thermal conductivity of nano aluminum nitride
Realize the thermal conductivity of fluorescent glue.The heat of LED lamp bead can quickly pass to radiator 4 by the heat conduction fluorescent glue, realize quick
Radiating.
The lens 2 are made up of transparent epoxide resin material.
The radiator 4 is arranged at the lower section of LED lamp bead 1, is connected by conducting resinl or tin cream with anode rod 12 and cathode rod 13
Connect.The radiator 4 is alumiaum article or ceramic member, and it is circular configuration, and its circle end face is axially arranged with multiple fin 41, should
Fin 41 is around the central shaft annular array of radiator 4 and in the fin structure to external radiation, by the side wall of the radiator 4
Form multiple heat conducting walls 42.
The side of the heat conducting wall 44 is the curved surface with concave or convex, and preferably two sides are all curved surface, thus
Increase area of dissipation.
In addition to being radiated by the contour structures of radiator 4, the radiator 4 is cladded with one layer of thermal dispersant coatings, described
Thermal dispersant coatings are heated to by polycarbonate waterborne polyurethane, epoxy resin modified acrylic resin, makrolon, carborundum
65 DEG C, 900-1200r/min stirrings are made for 1 hour, improve radiating effect, prevent that LED luminous diode temperatures are too high.
The resistance 5 is series at the anode rod 12 or cathode rod 13 in the lens 2.The resistance 5 is PTC temperature-sensitives
Resistance, its resistance is that between the Ω of 0.1 Ω~10, the operation principle of the resistance 5 is to carry out temperature survey based on its fuel factor,
That is the resistance variation with temperature of resistance and the characteristic that changes.The resistance of the resistance 5 of the present embodiment increases with the rise of temperature.
When the temperature rise of LED light emitting diodes, the resistance of resistance 5 is increased, so that the operating current of LED is reduced,
So that the caloric value of LED light emitting diodes reduces, so as to reduce its operating temperature, low-temperature-rise is realized, is played a protective role.
Compared with correlation technique, the low-temperature-rise LED light emitting diodes that the utility model is provided have the advantages that：
First, the resistance can realize that electric current is self-regulated, it is to avoid temperature exceedes preset temperature and influences LED light emitting diodes
Normally use；
2nd, the radiator is axially arranged, and heat conducting wall is curved-surface structure, and Homogeneouslly-radiating can be achieved, and strengthens heat-sinking capability, prolongs
Long LED light emitting diodes service life.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (6)
1. a kind of low-temperature-rise LED light emitting diodes, including LED lamp bead, lens, terminal pin, it is characterised in that the LED lamp bead
The anode rod or cathode rod of electric current are provided including luminescent wafer and the connection luminescent wafer, overcoating one layer of the LED lamp bead is led
Hot fluorescent glue；The low-temperature-rise LED light emitting diodes, which are additionally included in, is series at the anode rod or cathode rod in the lens
Draw resistance and the radiator being arranged at below LED lamp bead, the both sides of radiator described in the terminal pin from LED lamp bead insertion；
The radiator is circular configuration, and its circle end face is axially arranged with multiple fin, and the radiator is cladded with one layer of thermal dispersant coatings.
2. low-temperature-rise LED light emitting diodes according to claim 1, it is characterised in that the fin is around radiating
Body central shaft annular array and in external radiation fin structure, the side wall of the radiator is formed into multiple heat conducting walls.
3. low-temperature-rise LED light emitting diodes according to claim 2, it is characterised in that the resistance is PTC temperature-sensitives electricity
Resistance, its resistance is between the Ω of 0.1 Ω~10.
4. low-temperature-rise LED light emitting diodes according to claim 2, it is characterised in that the radiator passes through conducting resinl
Or tin cream is connected with anode rod and cathode rod.
5. low-temperature-rise LED light emitting diodes according to claim 2, it is characterised in that the side of the heat conducting wall is tool
There is the curved surface of concave or convex.
6. low-temperature-rise LED light emitting diodes according to claim 3, it is characterised in that the radiator be alumiaum article or
Ceramic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684200.2U CN206558546U (en) | 2017-06-13 | 2017-06-13 | Low-temperature-rise LED light emitting diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684200.2U CN206558546U (en) | 2017-06-13 | 2017-06-13 | Low-temperature-rise LED light emitting diodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558546U true CN206558546U (en) | 2017-10-13 |
Family
ID=60015755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720684200.2U Active CN206558546U (en) | 2017-06-13 | 2017-06-13 | Low-temperature-rise LED light emitting diodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206558546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740972A (en) * | 2017-11-17 | 2018-02-27 | 赵永继 | A kind of lift Ceiling light |
-
2017
- 2017-06-13 CN CN201720684200.2U patent/CN206558546U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740972A (en) * | 2017-11-17 | 2018-02-27 | 赵永继 | A kind of lift Ceiling light |
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