CN212013117U - LED bulb lamp circuit - Google Patents
LED bulb lamp circuit Download PDFInfo
- Publication number
- CN212013117U CN212013117U CN201921965796.9U CN201921965796U CN212013117U CN 212013117 U CN212013117 U CN 212013117U CN 201921965796 U CN201921965796 U CN 201921965796U CN 212013117 U CN212013117 U CN 212013117U
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- 239000003990 capacitor Substances 0.000 claims description 48
- 230000005669 field effect Effects 0.000 claims description 13
- 230000004044 response Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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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- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a LED bulb lamp circuit, including power, LED bulb lamp and JW1765 chip circuit, the power passes through JW1765 chip circuit and is connected with LED bulb lamp, JW1765 chip circuit includes JW1765 chip, and/or, the overcurrent protection circuit of being connected with JW1765 chip, and/or, the overvoltage protection circuit of being connected with JW1765 chip, and/or, the overheat protection circuit of being connected with JW1765 chip. The utility model discloses a LED ball bubble lamp, power consumption is little, and response time is fast, energy-concerving and environment-protective, longe-lived, high efficiency to through adopting JW1765 chip circuit as the power output of LED ball bubble lamp, the wide voltage technique makes LED ball bubble lamp all can light between 80V-245V, and can effectively improve overheat protection, extension LED ball bubble lamp life, and pollution-free, reduced the product volume, practiced thrift the cost.
Description
Technical Field
The utility model relates to a LED drive circuit technical field, concretely relates to LED ball bubble lamp circuit.
Background
With the banned start-up of traditional incandescent lamp production and sale in most countries, incandescent lamps will gradually exit the market and LED bulb lamps have begun to enter the market in large quantities. Because the LED bulb lamp is small in size and needs to contain an LED light source, a driving power supply and the like, on one hand, the LED light source is concentrated and large in heat productivity, so that the LED light source is easily overheated, the service life of the LED light source can be influenced, and the service life of the LED bulb lamp can be influenced; on the other hand, the driving power supply can also generate heat, and the overheating of the driving power supply can also influence the function and the service life of the driving power supply, so that the service life of the LED bulb lamp can be influenced. Therefore, if the driving power supply of the LED bulb lamp is not well controlled, the LED bulb lamp emits light to generate contrast change of light and shade, and the service life of the LED bulb lamp is influenced.
SUMMERY OF THE UTILITY MODEL
In view of above technical problem, the utility model aims to provide a LED ball bubble lamp circuit solves prior art and adopts LED ball bubble lamp when throwing light on, is difficult to select suitable drive power supply circuit's problem.
The utility model adopts the following technical scheme:
an LED bulb lamp circuit comprises a power supply, an LED bulb lamp and a JW1765 chip circuit, wherein the power supply is connected with the LED bulb lamp through the JW1765 chip circuit, and the JW1765 chip circuit comprises a JW1765 chip and/or an overcurrent protection circuit connected with the JW1765 chip, and/or an overvoltage protection circuit connected with the JW1765 chip and/or an overheat protection circuit connected with the JW1765 chip.
Further, the LED bulb lamp comprises a bulb shell, an LED light source plate, a bulb lampshade and a lamp cap, wherein the LED light source plate and the bulb lampshade are arranged in the bulb shell and used for emitting light, and the lamp cap is matched with the bulb lampshade for use, and the LED light source plate is connected with the output of the JW1765 chip circuit through the lamp cap.
Further, the JW1765 chip circuit includes: a JW1765 chip, a first resistor R1, a second resistor R2, a first diode D1, a fourth resistor R4, a third capacitor C3, a fourth capacitor C4, a fifth resistor R5, a fifth inductor L5, a third resistor R3, a fifth capacitor C5, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a sixth resistor R6, a field effect transistor Q1, a second diode D2, an eleventh resistor R11, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9 and a thirteenth capacitor C13;
the VCC pin of the JW1765 chip is connected with the positive electrode of a power supply after being connected in series through a first resistor R1 and a second resistor R2, the VCC pin of the JW1765 chip is connected with the negative electrode of a first diode D1, the positive electrode of the first diode D1 is connected with one end of a fifth inductor L5 after being connected in series with a fourth resistor R4, and the VCC pin of the JW1765 chip is connected with the ground through a branch formed by connecting a third capacitor C3 and a fourth capacitor C4 in parallel; the FB pin of the JW1765 chip is connected with one end of a fifth inductor L5 after being connected with a fifth resistor R5 in series, and the FB pin of the JW1765 chip is connected with the ground through a third resistor R3; the COMP pin of the JW1765 chip is connected with the fifth capacitor C5 and the ground; the eighth resistor R8, the ninth resistor R9 and the tenth resistor R10 are connected in series to form a first branch circuit, the GATE pin of the JW1765 chip and the sixth resistor R6 are connected in series with the grid electrode of the field-effect tube Q1, the source electrode of the field-effect tube Q1 is connected with one end of the first branch circuit, and the drain electrode of the field-effect tube Q1 is connected with the positive electrode of the power supply; the other end of the first branch circuit is connected with the other end of the fifth inductor L5, one end of the first branch circuit is connected with the cathode of a second diode D2, and the anode of the second diode D2 is connected with the cathode of a power supply; one end of the first branch circuit, the eleventh resistor R11 and the sixth capacitor C6 are connected in series and then connected with the negative electrode of the power supply, and the other end of the fifth inductor L5 is connected with the ground; the GND pin of the JW1765 chip is connected with the other end of the fifth inductor L5, and the ISP pin of the JW1765 chip is connected with the ground through a first branch; the seventh capacitor C7, the eighth capacitor C8 and the ninth capacitor C9 are connected in parallel to form a second branch circuit, the positive electrode of the power supply is connected with one end of the second branch circuit through a thirteenth capacitor C13, the other end of the second branch circuit is connected with the negative electrode of the power supply, and two ends of the second branch circuit are respectively connected with the positive end and the negative end of the LED bulb lamp.
Further, the output of the power supply is 100V-150 Vdc.
Further, the power of the LED bulb lamp is 75W.
Furthermore, the output voltage of the JW1765 chip circuit is 130V-150 Vdc, and the output current is 570 mA.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a LED ball bubble lamp, power consumption is little, and response time is fast, energy-concerving and environment-protective, longe-lived, high efficiency to through adopting JW1765 chip circuit as the power output of LED ball bubble lamp, the wide voltage technique makes LED ball bubble lamp all can light between 80V-245V, and can effectively improve overheat protection, extension LED ball bubble lamp life, and pollution-free, reduced the product volume, practiced thrift the cost.
Drawings
Fig. 1 is a schematic diagram of a circuit structure of an LED bulb lamp of the present invention;
fig. 2 is a schematic circuit diagram of a JW1765 chip circuit according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Example (b):
referring to fig. 1-2, an LED bulb lamp circuit, as shown in fig. 1, includes a power supply, an LED bulb lamp, and a JW1765 chip circuit, where the power supply is connected to the LED bulb lamp through the JW1765 chip circuit, and the JW1765 chip circuit includes a JW1765 chip, and/or an overcurrent protection circuit connected to the JW1765 chip, and/or an overvoltage protection circuit connected to the JW1765 chip, and/or an overheat protection circuit connected to the JW1765 chip.
Specifically, the LED bulb lamp comprises a bulb shell, an LED light source plate, a bulb lampshade and a lamp cap, wherein the LED light source plate and the bulb lampshade are arranged in the bulb shell and used for emitting light, and the lamp cap is matched with the bulb lampshade for use, and the LED light source plate is connected with the output of the JW1765 chip circuit through the lamp cap. Wherein, the bulb shell is used as a heat dissipation body.
Specifically, as shown in fig. 2, the JW1765 chip circuit includes: a JW1765 chip, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first diode D1, a third capacitor C3, a fourth capacitor C4, a fifth inductor L5, a fifth capacitor C5, a field effect transistor Q1, a second diode D2, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9 and a thirteenth capacitor C13;
the VCC pin of the JW1765 chip is connected with the positive electrode of a power supply after being connected in series through a first resistor R1 and a second resistor R2, the VCC pin of the JW1765 chip is connected with the negative electrode of a first diode D1, the positive electrode of the first diode D1 is connected with one end of a fifth inductor L5 after being connected in series with a fourth resistor R4, and the VCC pin of the JW1765 chip is connected with the ground through a branch formed by connecting a third capacitor C3 and a fourth capacitor C4 in parallel; the FB pin of the JW1765 chip is connected with one end of a fifth inductor L5 after being connected with a fifth resistor R5 in series, and the FB pin of the JW1765 chip is connected with the ground through a third resistor R3; the COMP pin of the JW1765 chip is connected with the fifth capacitor C5 and the ground; the eighth resistor R8, the ninth resistor R9 and the tenth resistor R10 are connected in series to form a first branch circuit, the GATE pin of the JW1765 chip and the sixth resistor R6 are connected in series with the grid electrode of the field-effect tube Q1, the source electrode of the field-effect tube Q1 is connected with one end of the first branch circuit, and the drain electrode of the field-effect tube Q1 is connected with the positive electrode of the power supply; the other end of the first branch circuit is connected with the other end of the fifth inductor L5, one end of the first branch circuit is connected with the cathode of a second diode D2, and the anode of the second diode D2 is connected with the cathode of a power supply; one end of the first branch circuit, the eleventh resistor R11 and the sixth capacitor C6 are connected in series and then connected with the negative electrode of the power supply, and the other end of the fifth inductor L5 is connected with the ground; the GND pin of the JW1765 chip is connected with the other end of the fifth inductor L5, and the ISP pin of the JW1765 chip is connected with the ground through a first branch; the seventh capacitor C7, the eighth capacitor C8 and the ninth capacitor C9 are connected in parallel to form a second branch circuit, the positive electrode of the power supply is connected with one end of the second branch circuit through a thirteenth capacitor C13, the other end of the second branch circuit is connected with the negative electrode of the power supply, and two ends of the second branch circuit are respectively connected with the positive end and the negative end of the LED bulb lamp.
In FIG. 2, the voltage is reduced to 132Vdc/0.57A through a JW1765 chip, a field effect transistor Q1 and a fifth inductor L5, and power is supplied to the LED bulb lamp. Voltage feedback is carried out through an FB pin of the JW1765 chip, the third resistor R3 and the fifth resistor R5, the voltage of the LED bulb lamp is detected through sampling output, the voltage is stabilized at 130V-150 Vdc, and the constant current is output at 570 ma.
The JW1765 chip circuit further comprises an overcurrent protection circuit, an overvoltage protection circuit and an overheat protection circuit.
Wherein, overvoltage protection: the third resistor R3 limits the voltage, thereby preventing the product from being damaged by overvoltage.
Overcurrent protection: the current is limited through the eighth resistor R8, the ninth resistor R9 and the tenth resistor R10, and the phenomenon that the current is too large and the product is damaged is prevented.
Overheat protection: the overheat protection circuit can directly realize overheat protection through the JW1765 chip, the overheat protection is arranged in the JW1765 chip, and when the temperature of a product is too high, the JW1765 chip can reduce the output current, so that the product is cooled.
The JW1765 chip is a constant current LED controller, is suitable for the step-down power factor correction LED control of the high current precision stage of the single machine, the high precision of the output current is through sampling the output current directly, the switching loss of the conduction mode operation reduction is very large, has greatly raised the efficiency. The JW1765 chip is provided directly from the output and no auxiliary winding is required. The JW1765 chip has multiple protection functions, and can greatly enhance the over-voltage protection, short-circuit protection, open-circuit circulating current limiting protection and overheating protection of the system.
Specifically, a VCC pin of the JW1765 chip is a power supply pin, which provides current for an internal starting circuit, a GATE pin of the JW1765 chip is a GATE driver of an external main MOSFET switch, an FB pin of the JW1765 chip is a voltage feedback pin, the FB pin of the JW1765 chip detects an open circuit of the LED bulb lamp through sampling output, a GND pin of the JW1765 chip is ground, a COMP pin of the JW1765 chip is compensated by an error amplifier, internal feedback is performed between the COMP pin and the GND pin, an ISP pin of the JW1765 chip is an output current sensing pin, which is used for output current control, and if current needs to be changed, resistance values of an eighth resistor R8, a ninth resistor R9, and a tenth resistor R10 can be changed.
As a specific embodiment, the output of the power supply is 100V-150Vdc, a direct current power supply can be adopted for directly outputting, and alternating current can be converted into direct current through a rectifying circuit for supplying power. For example, the power supply adopts 180-240 VAC input, 100V-150Vdc output, and one-way output works normally.
As a specific application example, the power of the LED bulb lamp is 75W. The output voltage of the JW1765 chip circuit is 130V-150 Vdc, and the output current is 570 mA.
The utility model discloses an adopt LED ball bubble lamp, have following advantage: 1. the power consumption is low, the response time is short, the energy is saved, the environment is protected, the service life is long, the efficiency is high, and the average service life can reach 3 ten thousand hours. 2. The response time is fast, and the response time of the LED bulb lamp is measured in milliseconds, so that the LED bulb lamp is basically lighted without delay. 3. The light source made of the LED has the advantages of high safety and reliability, shock resistance, impact resistance, low heat and no heat radiation, and is not easy to break. 4. No stroboflash, high luminous purity, soft light color and no glare.
The utility model discloses an adopt JW1765 chip circuit as the power output of LED ball bubble lamp, wide voltage technology makes LED ball bubble lamp can all light between 80V-245V, and the environmental protection does not contain the healthy material of harm such as mercury, plumbous, and is pollution-free, has reduced the product volume, practices thrift the cost.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (6)
1. The LED bulb lamp circuit is characterized by comprising a power supply, an LED bulb lamp and a JW1765 chip circuit, wherein the power supply is connected with the LED bulb lamp through the JW1765 chip circuit, and the JW1765 chip circuit comprises a JW1765 chip and/or an overcurrent protection circuit connected with the JW1765 chip, and/or an overvoltage protection circuit connected with the JW1765 chip and/or an overheat protection circuit connected with the JW1765 chip.
2. The LED bulb lamp circuit according to claim 1, wherein the LED bulb lamp comprises a bulb shell, an LED light source board, a bulb lamp shade and a lamp cap, wherein the LED light source board and the bulb lamp shade are arranged in the bulb shell and used for emitting light, the lamp cap is matched with the bulb lamp shade, and the LED light source board is connected with the output of the JW1765 chip circuit through the lamp cap.
3. The LED bulb lamp circuit according to claim 1, wherein the JW1765 chip circuit comprises: a JW1765 chip, a first resistor R1, a second resistor R2, a first diode D1, a fourth resistor R4, a third capacitor C3, a fourth capacitor C4, a fifth resistor R5, a fifth inductor L5, a third resistor R3, a fifth capacitor C5, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a sixth resistor R6, a field effect transistor Q1, a second diode D2, an eleventh resistor R11, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9 and a thirteenth capacitor C13;
the VCC pin of the JW1765 chip is connected with the positive electrode of a power supply after being connected in series through a first resistor R1 and a second resistor R2, the VCC pin of the JW1765 chip is connected with the negative electrode of a first diode D1, the positive electrode of the first diode D1 is connected with one end of a fifth inductor L5 after being connected in series with a fourth resistor R4, and the VCC pin of the JW1765 chip is connected with the ground through a branch formed by connecting a third capacitor C3 and a fourth capacitor C4 in parallel; the FB pin of the JW1765 chip is connected with one end of a fifth inductor L5 after being connected with a fifth resistor R5 in series, and the FB pin of the JW1765 chip is connected with the ground through a third resistor R3; the COMP pin of the JW1765 chip is connected with the fifth capacitor C5 and the ground; the eighth resistor R8, the ninth resistor R9 and the tenth resistor R10 are connected in series to form a first branch circuit, the GATE pin of the JW1765 chip and the sixth resistor R6 are connected in series with the grid electrode of the field-effect tube Q1, the source electrode of the field-effect tube Q1 is connected with one end of the first branch circuit, and the drain electrode of the field-effect tube Q1 is connected with the positive electrode of the power supply; the other end of the first branch circuit is connected with the other end of the fifth inductor L5, one end of the first branch circuit is connected with the cathode of a second diode D2, and the anode of the second diode D2 is connected with the cathode of a power supply; one end of the first branch circuit, the eleventh resistor R11 and the sixth capacitor C6 are connected in series and then connected with the negative electrode of the power supply, and the other end of the fifth inductor L5 is connected with the ground; the GND pin of the JW1765 chip is connected with the other end of the fifth inductor L5, and the ISP pin of the JW1765 chip is connected with the ground through a first branch; the seventh capacitor C7, the eighth capacitor C8 and the ninth capacitor C9 are connected in parallel to form a second branch circuit, the positive electrode of the power supply is connected with one end of the second branch circuit through a thirteenth capacitor C13, the other end of the second branch circuit is connected with the negative electrode of the power supply, and two ends of the second branch circuit are respectively connected with the positive end and the negative end of the LED bulb lamp.
4. The LED bulb lamp circuit according to claim 1, wherein the output of the power supply is 100V-150 Vdc.
5. The LED bulb lamp circuit according to claim 1, wherein the power of the LED bulb lamp is 75W.
6. The LED bulb lamp circuit according to claim 5, wherein the output voltage of the JW1765 chip circuit is 130V-150 Vdc, and the output current is 570 mA.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921965796.9U CN212013117U (en) | 2019-11-14 | 2019-11-14 | LED bulb lamp circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921965796.9U CN212013117U (en) | 2019-11-14 | 2019-11-14 | LED bulb lamp circuit |
Publications (1)
Publication Number | Publication Date |
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CN212013117U true CN212013117U (en) | 2020-11-24 |
Family
ID=73413023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921965796.9U Expired - Fee Related CN212013117U (en) | 2019-11-14 | 2019-11-14 | LED bulb lamp circuit |
Country Status (1)
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CN (1) | CN212013117U (en) |
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2019
- 2019-11-14 CN CN201921965796.9U patent/CN212013117U/en not_active Expired - Fee Related
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Granted publication date: 20201124 |