CN111207371B - Voltage breakdown resistant LED lamp - Google Patents
Voltage breakdown resistant LED lamp Download PDFInfo
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- CN111207371B CN111207371B CN201811305738.3A CN201811305738A CN111207371B CN 111207371 B CN111207371 B CN 111207371B CN 201811305738 A CN201811305738 A CN 201811305738A CN 111207371 B CN111207371 B CN 111207371B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a voltage breakdown resistant LED lamp, which can protect a light source lamp bead from being broken down when the LED lamp is subjected to high voltage impact caused by a high voltage resistance test or a lightning stroke induction lightning. The utility model provides a withstand voltage LED lamp that punctures, includes LED light source and drive power supply, drive power supply is connected and control LED light source start with LED light source electricity, still includes a plurality of capacitor banks, and the one end of capacitor bank is connected with LED light source negative pole electricity, and the other end of capacitor bank is connected with the metal frame electricity of LED lamp, and the metal frame ground connection of LED lamp.
Description
Technical Field
The invention relates to the technical field of LED lamps, in particular to a voltage breakdown resistant LED lamp.
Background
A light emitting diode, referred to as an LED for short, is made of a compound containing gallium, arsenic, phosphorus, nitrogen, etc., and emits visible light when electrons and holes recombine, and thus can be used to make a light emitting diode. In the circuit and instrument, the LED is used as an indicator light or forms a character or number display, the gallium arsenide diode emits red light, the gallium phosphide diode emits green light, the silicon carbide diode emits yellow light, and the gallium nitride diode emits blue light, and the LED is divided into an organic LED and an inorganic LED due to chemical properties. The LED has the obvious characteristics of long service life, high luminous efficiency, low radiation and low power consumption, almost all the spectrums of the white light LED are concentrated in the visible light frequency range, the luminous efficiency can exceed 150lm/W, and along with the improvement of the recent LED heat dissipation technology, LED high-power lighting lamps such as high-power LED street lamps, projection lamps and the like for outdoor lighting have already been industrially produced and are beginning to be applied in large quantities. Stage lamps, studio lamps and the like for indoor lighting with high requirements on color temperature and color rendering have also been mass-produced and put into practical use. T8, T5 and T4 which have the largest application range and the largest usage amount and are used for general illumination, and screw bulb lamps which replace incandescent lamps and energy-saving lamps form serialization, the service life is up to 5 ten thousand hours, and the LED illumination enters a high-speed development period.
The existing light mainly uses the induction of the induction module to emit light, so that the life of people is more improved, the existing LED light induction power supply cannot adjust the setting of induction distance, delay time and light sensation, and only can select a device suitable for the model to use, so that the use effect of the device is greatly influenced.
In addition, as an LED lamp as an electric appliance product, 3C certification is required. It is known that the voltage-withstanding test in GB16796-2009 needs to be performed, i.e. a clamp at the output end of a voltage-withstanding tester clamps either the L or N end of the product, the voltage is adjusted to a corresponding voltage, then a probe is used to contact the housing or the bare metal part of the housing, a button of the probe is pressed, and an alarm is given at a specified voltage, indicating that the product is broken down and is not qualified. And if the alarm is not given, the alarm is qualified. Because the rated voltage of the LED lamp is very small, if the shell is broken down after the voltage resistance test is carried out on the LED lamp, the LED light source in the LED lamp is damaged. However, the LED light source is a high-value part, and therefore, how to protect the LED light source becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the voltage breakdown resistant LED lamp which can protect a light source lamp bead from being broken down when the LED lamp is subjected to high voltage impact caused by a high voltage resistance test or a lightning stroke induction lightning.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a withstand voltage LED lamp that punctures, includes LED light source and drive power supply, drive power supply is connected and control LED light source start with LED light source electricity, still includes a plurality of capacitor banks, and the one end of capacitor bank is connected with LED light source negative pole electricity, and the other end of capacitor bank is connected with the metal frame electricity of LED lamp, and the metal frame ground connection of LED lamp.
Preferably, the capacitor banks have 1 or 2 banks.
Preferably, each capacitor bank is formed by connecting two capacitors in series.
Preferably, each of said capacitor banks comprises a capacitor.
Preferably, the capacitor has a capacitance of 1nF.
Preferably, the driving power supply comprises an adjustable induction power supply, the adjustable induction power supply comprises an induction module, a power supply and a constant current output module, the output end of the induction module is connected with the input end of the power supply, the output end of the power supply is connected with the input end of the constant current output module, the input end of the induction module is connected with the output end of the induction parameter adjusting module, the input end of the power supply is connected with the output end of the rectifying module, the input end of the rectifying module is connected with the output end of the AC alternating current input module, the output end of the rectifying module is connected with the input end of the transformerless switching power supply, and the output end of the transformerless switching power supply is connected with the input end of the induction module.
Preferably, the sensing parameter adjusting module comprises an external wire and an MLC18C-P2 processor, a pin 3 and a pin 4 of the MLC18C-P2 processor are respectively and fixedly connected with the external wire, a pin 1 and a pin 2 of the MLC18C-P2 processor are respectively and fixedly connected with a power line, and a pin 5, a pin 6, a pin 7, a pin 8, a pin 9 and a pin 10 of the MLC18C-P2 processor are respectively and fixedly connected with the 8-bit dial switch through conducting wires.
Preferably, the power supply is a round-edge flyback adjustable constant current power supply, the power supply includes a PT4209 processor and a transformer, pin 1 of the PT4209 processor is fixedly connected with a main line through a protection line, pin 2 of the PT4209 processor is fixedly connected with one side of the transformer through a protection line, pin 3 of the PT4209 processor is fixedly connected with one side of the transformer through a protection line and is fixedly connected with a ground line, pin 4 of the PT4209 processor is fixedly connected with one side of the transformer through a protection line, pin 5 of the PT4209 processor is fixedly connected with the protection line connected with pin 4 through a protection line, pin 6 of the PT4209 processor is fixedly connected with the protection line connected with pin 1 through a wire and is fixedly connected with a ground line, pin 7 of the PT4209 processor is fixedly connected with the protection line connected with pin 1 through a wire and is fixedly connected with a PWM OUT, and pin 8 of the PT4209 processor is fixedly connected with a capacitor C15 and a ground line sequentially through a wire.
Preferably, the rectifier module is a rectifier circuit.
Preferably, the transformerless switching power supply comprises a VIPER12A processor and a 7805 processor, wherein a pin 1, a pin 2, a pin 3 and a pin 4 of the VIPER12A processor are respectively and fixedly connected with a regulating circuit through conducting wires, the regulating circuit is respectively and fixedly connected with the pin 1, the pin 2 and the pin 3 of the 7805 processor, and a pin 5, a pin 6, a pin 7 and a pin 8 of the VIPER12A processor are respectively and fixedly connected with the rectifying circuit through conducting wires.
Preferably, the AC input module is an AC input circuit, and the AC input circuit is fixedly connected to the rectifying circuit through a wire.
Advantageous effects
The invention provides a voltage breakdown resistant LED lamp, which has the following beneficial effects compared with the prior art:
in the invention, a plurality of capacitor banks are adopted, one end of each capacitor bank is electrically connected with the cathode of the LED light source, the other end of each capacitor bank is electrically connected with the metal outer frame of the LED lamp, and the metal outer frame of the LED lamp is grounded, so that the LED lamp can be effectively prevented from being reversely punctured. When receiving high-pressure impact that high pressure resistant test or lightning induction thunder brought, can protect light source lamp pearl effectively.
In addition, the driving power supply comprises an adjustable induction power supply, the input end of the power supply is connected with the output end of the induction parameter adjusting module through the input end of the induction module, the input end of the power supply is connected with the output end of the rectifying module, the input end of the rectifying module is connected with the output end of the AC alternating current input module, the output end of the rectifying module is connected with the input end of the transformerless switching power supply, the output end of the transformerless switching power supply is connected with the input end of the induction module, the induction parameter adjusting module is matched, the power supply, the rectifying module, the AC alternating current input module and the transformerless switching power supply are arranged, the induction power supply can be adjusted, the problem that the conventional LED lamplight induction power supply cannot adjust the induction distance, the delay time and the light sensation, only devices which are adaptive to models can be selected to use is solved, and the using effect of the devices is greatly influenced.
(2) This adjustable induction power supply, through including VIPER12A treater and 7805 treater at transformerless switching power supply, the No. 1 pin of VIPER12A treater, no. 2 pin, no. 3 pin and No. 4 pin are respectively through wire fixedly connected with regulating circuit, regulating circuit respectively with No. 1 pin of 7805 treater, no. 2 pin and No. 3 pin fixed connection, the No. 5 pin of VIPER12A treater, no. 6 pin, no. 7 pin and No. 8 pin are respectively through wire and rectifier circuit fixed connection, cooperation VIPER12A treater, the 7805 treater, regulating circuit and rectifier circuit's setting, utilize the control duty cycle, LED is lighted with low luminance in latency, have the advantage of avoiding sudden and violent when night.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a circuit diagram of the sensing parameter adjustment module according to the present invention;
FIG. 3 is a circuit diagram of the constant current output module according to the present invention;
FIG. 4 is a circuit diagram of the power supply design of the present invention;
FIG. 5 is a circuit diagram of the AC input module according to the present invention;
FIG. 6 is a circuit diagram of the design of a transformerless switching power supply module of the present invention;
FIG. 7 is an alternative diagram of the dip switch of the present invention.
Fig. 8 is a schematic circuit diagram of an embodiment of the present invention.
Fig. 9 is a circuit schematic of another embodiment of the present invention.
Fig. 10 is a circuit schematic of another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 8, the invention discloses a voltage breakdown resistant LED lamp, which comprises an LED light source, a driving power supply and a plurality of capacitor banks, wherein the driving power supply is electrically connected with the LED light source to control the start of the LED light source, one end of each capacitor bank is electrically connected with the cathode of the LED light source, the other end of each capacitor bank is electrically connected with the metal outer frame of the LED lamp, and the metal outer frame of the LED lamp is grounded. In one embodiment, the LED light source is a plurality of LEDs connected in series. Usually, the metal frame is connected to both ground and product ground (zero potential reference point).
In this embodiment, the capacitor banks have 1 group, and each group of the capacitor banks is formed by connecting two capacitors in series. The capacitance of the capacitor is 1nF. The voltage breakdown resistant LED lamp can withstand the alternating voltage breakdown of 2000V.
Referring to fig. 9, as another embodiment, there are 2 capacitor banks, and each capacitor bank is formed by connecting two capacitors in series. The capacitance of the capacitor is 1nF. The voltage breakdown resistant LED lamp can resist the alternating voltage cycle breakdown of 4000V.
Referring to fig. 10, the capacitor banks have 1 bank, and each of the capacitor banks is a capacitor. The capacitance of the capacitor is 1nF. The voltage breakdown resistant LED lamp can resist alternating current voltage cycle breakdown.
As another embodiment, the capacitor may be only one, and a slightly larger capacitance is used accordingly.
Referring to fig. 1-7, the present invention provides a technical solution: an adjustable induction power supply comprises an induction module, a power supply and a constant current output module, wherein the output end of the induction module is connected with the input end of the power supply, the output end of the power supply is connected with the input end of the constant current output module, the input end of the induction module is connected with the output end of an induction parameter adjusting module, the input end of the power supply is connected with the output end of a rectifying module, the input end of the rectifying module is connected with the output end of an AC alternating current input module, the output end of the rectifying module is connected with the input end of a transformerless switching power supply, the output end of the transformerless switching power supply is connected with the input end of the induction module, and the induction power supply can be adjusted by matching the arrangement of the induction module, the induction parameter adjusting module, the power supply, the rectifying module, the AC alternating current input module and the transformerless switching power supply, the induction parameter adjusting module comprises an external wire and an MLC18C-P2 processor, pins 3 and 4 of the MLC18C-P2 processor are fixedly connected with the external wire respectively, pins 1 and 2 of the MLC18C-P2 processor are fixedly connected with a power line respectively, pins 5, 6, 7, 8, 9 and 10 of the MLC18C-P2 processor are fixedly connected with an 8-bit dial switch through wires respectively, the power supply is a round-edge flyback adjustable constant current power supply, the power supply comprises a PT4209 processor and a transformer, the pin 1 of the PT4209 processor is fixedly connected with a main circuit through a protection circuit, pin 2 of the PT4209 processor is fixedly connected to one side of the transformer through a protection line, pin 3 of the PT4209 processor is fixedly connected to one side of the transformer and to a ground line through a protection line, pin 4 of the PT4209 processor is fixedly connected to one side of the transformer through a protection line, pin 5 of the PT4209 processor is fixedly connected to the protection line to which pin 4 is connected through a protection line, pin 6 of the PT4209 processor is fixedly connected to the protection line to which pin 1 is connected through a wire and to a ground line, pin 7 of the PT4209 processor is fixedly connected to the protection line to which pin 1 is connected through a wire and to a PWM OUT terminal, pin 8 of the PT4209 processor is fixedly connected to a capacitor C15 and a ground line in this order through wires, the rectifier module is a rectifier circuit, the transformerless switching power supply comprises a VIPER12A processor and a 7805 processor, a pin 1, a pin 2, a pin 3 and a pin 4 of the VIPER12A processor are respectively and fixedly connected with a regulating circuit through conducting wires, the regulating circuit is respectively and fixedly connected with the pin 1, the pin 2 and the pin 3 of the 7805 processor, a pin 5, a pin 6, a pin 7 and a pin 8 of the VIPER12A processor are respectively and fixedly connected with the rectifier circuit through conducting wires, the arrangement of the VIPER12A processor, the pin 7805 processor, the regulating circuit and the rectifier circuit is matched, the LED is lightened at low brightness in waiting time by controlling duty ratio, and the advantages of avoiding sudden flashover at night are achieved, the AC input module is an AC input circuit, and the AC input circuit is fixedly connected with the rectifier circuit through conducting wires.
When the induction module works, the required model is selected according to the introduction of fig. 7, the induction module is adjusted through the induction parameter adjusting module, an AC alternating current input power supply inputs current into the rectifying module, the rectifying module transmits part of the current into the power supply, the rectifying module transmits the cold part of the current into the induction module through the transformerless switching power supply and then transmits the current into the power supply, and the power supply transmits the current into the constant current output module for supplying power.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A voltage breakdown resistant LED lamp comprises an LED light source and a driving power supply, wherein the driving power supply is electrically connected with the LED light source to control the starting of the LED light source, and the voltage breakdown resistant LED lamp is characterized in that: the LED lamp also comprises a plurality of capacitor banks, wherein one end of each capacitor bank is electrically connected with the cathode of the LED light source, the other end of each capacitor bank is electrically connected with the metal outer frame of the LED lamp, and the metal outer frame of the LED lamp is grounded;
the adjustable induction power supply comprises an induction module, a power supply and a constant current output module, wherein the output end of the induction module is connected with the input end of the power supply, the output end of the power supply is connected with the input end of the constant current output module, the input end of the induction module is connected with the output end of the induction parameter adjusting module, the input end of the power supply is connected with the output end of a rectifying module, the input end of the rectifying module is connected with the output end of an AC (alternating current) input module, the output end of the rectifying module is connected with the input end of a transformerless switching power supply, and the output end of the transformerless switching power supply is connected with the input end of the induction module;
the induction parameter adjusting module comprises an external wire and an MLC18C-P2 processor, wherein a pin 3 and a pin 4 of the MLC18C-P2 processor are fixedly connected with the external wire respectively, a pin 1 and a pin 2 of the MLC18C-P2 processor are fixedly connected with a power line respectively, and a pin 5, a pin 6, a pin 7, a pin 8, a pin 9 and a pin 10 of the MLC18C-P2 processor are fixedly connected with an 8-bit dial switch for inputting induction distance, delay time, light sensation setting and waiting time setting respectively through conducting wires.
2. The voltage breakdown resistant LED lamp of claim 1, wherein: the capacitor banks have 1 or 2 banks.
3. The voltage breakdown resistant LED lamp of claim 1, wherein: each group of the capacitor groups is formed by connecting two capacitors in series.
4. The voltage breakdown resistant LED lamp of claim 1, wherein: each of the capacitor banks includes a capacitor.
5. The voltage breakdown resistant LED lamp of claim 3, wherein: the capacitance of the capacitor is 1nF.
6. The voltage breakdown resistant LED lamp of claim 1, wherein: the power supply is a round-edge flyback adjustable constant-current power supply, the power supply comprises a PT4209 processor and a transformer, a pin 1 of the PT4209 processor is fixedly connected with a main line through a protection line, a pin 2 of the PT4209 processor is fixedly connected with one side of the transformer through the protection line, a pin 3 of the PT4209 processor is fixedly connected with one side of the transformer through the protection line and is fixedly connected with a grounding line, a pin 4 of the PT4209 processor is fixedly connected with one side of the transformer through the protection line, a pin 5 of the PT4209 processor is fixedly connected with the protection line connected with the pin 4 through the protection line, a pin 6 of the PT4209 processor is fixedly connected with the protection line connected with the pin 1 through a wire and is fixedly connected with the grounding line, a pin 7 of the PT4209 processor is fixedly connected with the protection line connected with the pin 1 through a wire and is fixedly connected with a PWM 4204209, and a pin 8 of the PT4209 processor is fixedly connected with a capacitor C15 and a grounding line sequentially through wires.
7. The voltage breakdown resistant LED lamp of claim 1, wherein: the rectification module is a rectification circuit.
8. The voltage breakdown resistant LED lamp of claim 1, wherein: the transformerless switching power supply comprises a VIPER12A processor and a 7805 processor, wherein a pin 1, a pin 2, a pin 3 and a pin 4 of the VIPER12A processor are respectively and fixedly connected with an adjusting circuit through leads, the adjusting circuit is respectively and fixedly connected with the pin 1, the pin 2 and the pin 3 of the 7805 processor, and a pin 5, a pin 6, a pin 7 and a pin 8 of the VIPER12A processor are respectively and fixedly connected with a rectifying circuit through leads.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305738.3A CN111207371B (en) | 2018-11-05 | 2018-11-05 | Voltage breakdown resistant LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811305738.3A CN111207371B (en) | 2018-11-05 | 2018-11-05 | Voltage breakdown resistant LED lamp |
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| CN111207371A CN111207371A (en) | 2020-05-29 |
| CN111207371B true CN111207371B (en) | 2022-11-01 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM335850U (en) * | 2008-02-22 | 2008-07-01 | Yfc Boneagle Electric Co Ltd | LED lighting identification device used for AC power plug/outlet |
| CN103542386A (en) * | 2013-11-01 | 2014-01-29 | 深圳市九洲光电科技有限公司 | Light-emitting diode (LED) substrate and high voltage resistant LED lamp |
| CN204084228U (en) * | 2014-07-07 | 2015-01-07 | 东莞高仪电子科技有限公司 | A kind of anti-high-voltage LED lamp plate |
| CN107277966A (en) * | 2017-07-13 | 2017-10-20 | 深圳市梓晶微科技有限公司 | One kind is used for high power factor LED drive power switching frequency limiting circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2014347815A1 (en) * | 2014-08-19 | 2016-03-10 | Abbeydorney Holdings Ltd. | Driving circuit, lighting device and method of reducing power dissipation |
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2018
- 2018-11-05 CN CN201811305738.3A patent/CN111207371B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM335850U (en) * | 2008-02-22 | 2008-07-01 | Yfc Boneagle Electric Co Ltd | LED lighting identification device used for AC power plug/outlet |
| CN103542386A (en) * | 2013-11-01 | 2014-01-29 | 深圳市九洲光电科技有限公司 | Light-emitting diode (LED) substrate and high voltage resistant LED lamp |
| CN204084228U (en) * | 2014-07-07 | 2015-01-07 | 东莞高仪电子科技有限公司 | A kind of anti-high-voltage LED lamp plate |
| CN107277966A (en) * | 2017-07-13 | 2017-10-20 | 深圳市梓晶微科技有限公司 | One kind is used for high power factor LED drive power switching frequency limiting circuit |
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