CN214901384U - Intelligent temperature control protection system for high-power LED lamp - Google Patents
Intelligent temperature control protection system for high-power LED lamp Download PDFInfo
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- CN214901384U CN214901384U CN202121355164.8U CN202121355164U CN214901384U CN 214901384 U CN214901384 U CN 214901384U CN 202121355164 U CN202121355164 U CN 202121355164U CN 214901384 U CN214901384 U CN 214901384U
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- led lamp
- temperature control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses an intelligent temperature control protection system for a high-power LED lamp, which comprises a shell, wherein a control circuit board is arranged in the shell, an LED light source is electrically connected on the control circuit board, a cable is connected on the control circuit board, and a power supply and a grounding terminal are connected through the cable, a reflector is arranged on one side of the LED light source, which is far away from the control circuit board, and a transparent cover is arranged outside the reflector; the control circuit board is connected with an NTC temperature control resistor for detecting the temperature of the LED light source; by controlling the TP8556N constant current chip used in the circuit board, an NTC temperature control resistor composed of an NTC thermistor and a limiting resistor is connected in series on the DIM pin of the circuit board, when the LED lamp heats to make the temperature higher and higher, the resistance of the NTC thermistor is smaller and smaller, the output current of the LED driving power supply is smaller and smaller, the driving is always operated in a stable state, the LED lamp is operated in an environment with relatively stable temperature, and the phenomenon that the service life of the LED lamp is shortened or even damaged due to overhigh heating temperature is prevented.
Description
Technical Field
The utility model relates to an illumination lamps and lanterns technical field, specific theory especially relates to a high-power LED lamp intelligence temperature control protection system.
Background
The fluorescent lamp in the prior art belongs to a gas discharge lamp, also called a hot cathode low-pressure mercury fluorescent lamp, and replaces an incandescent lamp to become a second generation mainstream lighting source. With the development of solid lighting, LED (Light Emitting Diode) lighting, which has many advantages, is gradually advancing to the third generation of new Light sources. The LED changes the principle of tungsten filament light emission of an incandescent lamp and three-primary-color powder light emission of a fluorescent lamp, utilizes electric field light emission, and has the advantages of no radiation, long service life, low power consumption and environmental protection. However, the LED lamp does not convert all the input electric energy into light energy, but converts a part of the input electric energy into heat energy, and the electric-to-optical conversion efficiency is about 20-30%, that is, about 70% of the electric energy is converted into heat energy. Therefore, the LED lamp can generate heat in the using process, especially, the high-power LED lamp can generate a large amount of heat, the heat enables the temperature of the LED lamp chip to rise, the non-uniform distribution of thermal stress, the luminous efficiency of the chip and the lasing efficiency of the fluorescent powder are reduced, and when the temperature exceeds a certain value, the failure rate of an LED lamp device is increased exponentially.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-power LED lamp intelligence temperature control protection system to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an intelligent temperature control protection system for a high-power LED lamp comprises a shell, wherein a control circuit board is arranged in the shell, the control circuit board comprises a TP8556N constant current chip, an LED light source is electrically connected to the control circuit board, a cable is connected to the control circuit board and is connected with a power supply and a grounding end through the cable, a reflector is installed on one side, away from the control circuit board, of the LED light source, and a transparent cover is arranged outside the reflector;
and the control circuit board is connected with an NTC temperature control resistor for detecting the temperature of the LED light source.
Preferably, the transparent cover is detachably mounted on the shell, and the transparent material of the transparent cover is acrylic or glass.
Preferably, the NTC temperature control resistor comprises an NTC thermistor and a limiting resistor, the NTC thermistor and the limiting resistor are connected in series, one end of the NTC temperature control resistor is grounded, and the other end of the NTC temperature control resistor is connected with a DIM pin of the TP8556N constant current chip.
Preferably, two NTC thermistors are connected in series, and the nominal resistance value of each NTC thermistor is 100 kilo-ohms.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that: by controlling a TP8556N constant current chip used in a circuit board, an NTC temperature control resistor consisting of an NTC thermistor and a limiting resistor is connected in series on a DIM pin of the constant current chip, when the LED lamp heats to make the temperature higher and higher, the resistance value of the NTC thermistor is smaller and smaller, the output current of an LED driving power supply is smaller and smaller, the driving is always operated in a stable state, the LED lamp is operated in an environment with relatively stable temperature, and the phenomenon that the service life of the LED lamp is shortened and even damaged due to overhigh heating temperature is prevented; this system real-time supervision lamp body and ambient temperature, when the lamp body temperature reduces or risees, the system can increase and reduce LED power according to temperature variation, with furthest's performance of performance LED lamp pearl under the condition of according with LED lamp pearl temperature, no longer waste LED lamp pearl performance and resource.
Drawings
Fig. 1 is the utility model provides a high-power LED lamp intelligence temperature control protection system's overall structure schematic diagram.
Fig. 2 is a control principle block diagram.
Fig. 3 is a connection diagram of the control circuit.
In the drawings: the LED light source comprises a shell 1, a control circuit board 2, an LED light source 3, a cable 4, a reflector 5, a transparent cover 6 and an NTC temperature control resistor 7.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Examples
Referring to the attached drawings, in the embodiment of the present invention, an intelligent temperature control protection system for a high-power LED lamp includes a housing 1, a control circuit board 2 is disposed inside the housing 1, the control circuit board 2 includes a TP8556N constant current chip, an LED light source 3 is electrically connected to the control circuit board 2, a cable 4 is connected to the control circuit board 2 and is connected to a power supply and a ground terminal through the cable 4, a reflector 5 is mounted on a side of the LED light source 3 away from the control circuit board 2, and a transparent cover 6 is disposed outside the reflector 5;
the control circuit board 2 is connected with an NTC (Negative Temperature Coefficient) Temperature control resistor 7 for detecting the Temperature of the LED light source 3.
Further, the transparent cover 6 is detachably mounted on the housing 1, and the transparent material of the transparent cover 6 is acrylic or glass.
Furthermore, the NTC temperature control resistor 7 comprises an NTC thermistor and a limiting resistor, the NTC thermistor and the limiting resistor are connected in series, one end of the NTC temperature control resistor 7 is grounded, and the other end of the NTC temperature control resistor is connected with a DIM pin of the TP8556N constant current chip.
Furthermore, two NTC thermistors are connected in series, and the nominal resistance value of each NTC thermistor is 100 kilo-ohms.
The utility model discloses a TP8556N constant current chip that uses among the control circuit board, the NTC temperature control resistor who comprises NTC thermistor and limiting resistor is established ties on its DIM pin, when the LED lamp generates heat and makes the temperature rise more and more, the resistance of NTC thermistor is just littleer and more, LED drive power supply's output current also littleer and more, make the drive work in a stable state all the time, realize that the LED lamp works under the environment that the temperature is relatively stable, prevent that the LED lamp from producing the phenomenon that the life-span shortens or even damages because of generating heat the high temperature; the system monitors the temperature of the lamp body and the environment in real time, when the temperature of the lamp body is reduced or increased, the system can increase and reduce the power of the LED according to the temperature change, the performance of the LED lamp bead is exerted to the maximum extent under the condition of meeting the temperature of the LED lamp bead, and the performance and the resources of the LED lamp bead are not wasted; the application has the advantages of simple structure, strong practicability and simple operation and is worth popularizing.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (4)
1. The utility model provides a high-power LED lamp intelligence temperature control protection system which characterized in that: the LED light source device comprises a shell (1), wherein a control circuit board (2) is arranged in the shell (1), the control circuit board (2) comprises a TP8556N constant current chip, the control circuit board (2) is electrically connected with an LED light source (3), the control circuit board (2) is connected with a cable (4) and is connected with a power supply and a grounding end through the cable (4), a reflector (5) is arranged on one side, away from the control circuit board (2), of the LED light source (3), and a transparent cover (6) is arranged outside the reflector (5);
and the control circuit board (2) is connected with an NTC temperature control resistor (7) for detecting the temperature of the LED light source (3).
2. The intelligent temperature control protection system for the high-power LED lamp according to claim 1, characterized in that: transparent cover (6) detachably install on casing (1), the transparent material of transparent cover (6) is ya keli or glass.
3. The intelligent temperature control protection system for the high-power LED lamp according to claim 1, characterized in that: the NTC temperature control resistor (7) comprises an NTC thermistor and a limiting resistor, the NTC thermistor and the limiting resistor are connected in series, one end of the NTC temperature control resistor (7) is grounded, and the other end of the NTC temperature control resistor is connected with a DIM pin of a TP8556N constant current chip.
4. The intelligent temperature control protection system for the high-power LED lamp according to claim 1, characterized in that: two NTC thermistors are connected in series, and the nominal resistance value of each NTC thermistor is 100 kilo-ohms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355164.8U CN214901384U (en) | 2021-06-18 | 2021-06-18 | Intelligent temperature control protection system for high-power LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355164.8U CN214901384U (en) | 2021-06-18 | 2021-06-18 | Intelligent temperature control protection system for high-power LED lamp |
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| Publication Number | Publication Date |
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| CN214901384U true CN214901384U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121355164.8U Active CN214901384U (en) | 2021-06-18 | 2021-06-18 | Intelligent temperature control protection system for high-power LED lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114237325A (en) * | 2021-12-07 | 2022-03-25 | 广州市雅江光电设备有限公司 | Temperature control method and device for LED lamp |
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2021
- 2021-06-18 CN CN202121355164.8U patent/CN214901384U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114237325A (en) * | 2021-12-07 | 2022-03-25 | 广州市雅江光电设备有限公司 | Temperature control method and device for LED lamp |
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