CN218603697U - Power line carrier transmission control circuit and LED Christmas lamp string - Google Patents
Power line carrier transmission control circuit and LED Christmas lamp string Download PDFInfo
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- CN218603697U CN218603697U CN202222009258.0U CN202222009258U CN218603697U CN 218603697 U CN218603697 U CN 218603697U CN 202222009258 U CN202222009258 U CN 202222009258U CN 218603697 U CN218603697 U CN 218603697U
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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 a power line carrier transmission control circuit and a LED christmas lamp cluster contain: the power line carrier type voltage stabilizing circuit comprises a power line carrier microprocessor, a field effect transistor Q1, a field effect transistor Q2, a V + power line, a GND power line, a resistor R11, a resistor R12, a resistor R13, a resistor R18 and a direct current voltage Vin, wherein the power line carrier microprocessor is provided with a PWM0 pin, the PWM0 pin is connected with a first end of the resistor R18, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q1 through the resistor R12, the grid electrode of the field effect transistor Q1 is connected with the direct current voltage Vin through the resistor R11, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q2 through the resistor R13, a source electrode of the field effect transistor Q1 is connected with the direct current voltage Vin, a drain electrode of the field effect transistor Q1 is connected with the V + power line and a drain electrode of the field effect transistor Q2, and a source electrode of the field effect transistor Q2 is connected with the GND power line. The utility model discloses can transmit in loading the power cord with digital control signal, solve christmas lights cluster production technology complicacy on the market, problem that manufacturing cost is high.
Description
Technical Field
The utility model relates to the field of photoelectric technology, indicate especially a power line carrier transmission control circuit and a LED christmas lamp cluster.
Background
With the wider application of the LED, the LED is widely applied to the fields of illumination and decoration, and the LED is popular with consumers due to the effects of energy conservation and environmental protection; meanwhile, the LED can realize color change and control of a light emitting mode, and thus is widely used in the field of decoration. Especially, in the christmas decoration, a large number of LEDs are needed, and with the increasing demand of consumers, the LED christmas light string is needed to realize the change of brightness or color, so that the christmas light string can achieve the gorgeous lighting effect.
In the power line carrier scheme of current LED christmas lights cluster power, because transmission signal interference problem causes RGBW lamp plate subsystem MCU decoding signal error, causes christmas lights cluster RGBW lamp plate messy code, makes more than 2 kinds of colour lights in disorder, can't realize magic color lamp effect, running water lamp effect, horse race lamp effect, and user experience feels very poor. In contrast, the solution in the market is to use a special signal power line for transmission, and use a 6-line power supply scheme (i.e. 2 DC positive and negative lines +4 signal power lines), which results in a complex production process and high manufacturing cost of the product.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a power line carrier transmission control circuit, which can load digital control signals into a power line for transmission, and realize the effect of the colorful christmas lamp string by using a two-line power line, thereby solving the problems of complex production process and high production cost of the christmas lamp string products on the market.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a power line carrier transmission control circuit, comprising: the power line carrier type voltage stabilizing circuit comprises a power line carrier microprocessor, a field effect transistor Q1, a field effect transistor Q2, a V + power line, a GND power line, a resistor R11, a resistor R12, a resistor R13, a resistor R18 and a direct-current voltage Vin, wherein the power line carrier microprocessor is provided with a PWM0 pin, the PWM0 pin is connected with a first end of the resistor R18, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q1 through the resistor R12, the grid electrode of the field effect transistor Q1 is connected with the direct-current voltage Vin through the resistor R11, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q2 through the resistor R13, a source electrode of the field effect transistor Q1 is connected with the direct-current voltage Vin, a drain electrode of the field effect transistor Q1 is connected with the V + power line and a drain electrode of the field effect transistor Q2, and a source electrode of the field effect transistor Q2 is connected with the GND power line.
Further, the power line carrier transmission control circuit comprises a diode D5 and a diode D6, wherein the anode of the diode D5 is connected with the second end of the resistor R18, and the cathode of the diode D5 is connected with the gate of the field effect transistor Q1; the cathode of the diode D6 is connected to the second end of the resistor R18, and the anode of the diode D6 is connected to the gate of the field effect transistor Q2.
Further, the power line carrier transmission control circuit further comprises a resistor R14 and a capacitor C6, wherein a first end of the resistor R14 is connected with a V + power line, and a second end of the resistor R14 is connected with a GND power line; the first end of the capacitor C6 is connected with a V + power line, and the second end of the capacitor C6 is connected with a GND power line.
Further, the power line carrier transmission control circuit further comprises a capacitor C4 and a capacitor C5, a first end of the capacitor C4 is connected with a second end of the resistor R18, and a second end of the capacitor C4 is connected with a GND power line; and the source electrode of the field effect transistor Q1 is grounded through a capacitor C5.
The utility model also provides a LED christmas lamp cluster, LED christmas lamp cluster includes as above a power line carrier transmission control circuit.
Further, the LED Christmas lamp string comprises a plurality of Christmas lamps, and the Christmas lamps are electrically connected with the power line carrier transmission control circuit.
The beneficial effects of the utility model reside in that:
the utility model discloses contain: the power line carrier type voltage stabilizing circuit comprises a power line carrier microprocessor, a field effect transistor Q1, a field effect transistor Q2, a V + power line, a GND power line, a resistor R11, a resistor R12, a resistor R13, a resistor R18 and a direct current voltage Vin, wherein the power line carrier microprocessor is provided with a PWM0 pin, the PWM0 pin is connected with a first end of the resistor R18, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q1 through the resistor R12, the grid electrode of the field effect transistor Q1 is connected with the direct current voltage Vin through the resistor R11, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q2 through the resistor R13, a source electrode of the field effect transistor Q1 is connected with the direct current voltage Vin, a drain electrode of the field effect transistor Q1 is connected with the V + power line and a drain electrode of the field effect transistor Q2, and a source electrode of the field effect transistor Q2 is connected with the GND power line. The utility model discloses can transmit in loading the power cord with digital control signal, utilize the two-wire power cord to realize the effect of illusion-colour christmas lamp cluster, solve christmas lamp cluster product production technology complicacy on the market, problem that manufacturing cost is high.
Drawings
Fig. 1 is a schematic circuit diagram of the power line carrier transmission control circuit of the present invention.
Fig. 2 is a circuit diagram of the power line carrier microprocessor of the present invention.
Fig. 3 is a schematic circuit diagram of the LED lamp string circuit of the present invention.
Fig. 4 is a schematic diagram of the LED christmas light string of the present invention.
Detailed Description
Referring to fig. 1-3, the present invention relates to a power line carrier transmission control circuit, comprising: the power line carrier type voltage stabilizing circuit comprises a power line carrier microprocessor, a field effect transistor Q1, a field effect transistor Q2, a V + power line, a GND power line, a resistor R11, a resistor R12, a resistor R13, a resistor R18 and a direct current voltage Vin, wherein the power line carrier microprocessor is provided with a PWM0 pin, the PWM0 pin is connected with a first end of the resistor R18, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q1 through the resistor R12, the grid electrode of the field effect transistor Q1 is connected with the direct current voltage Vin through the resistor R11, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q2 through the resistor R13, a source electrode of the field effect transistor Q1 is connected with the direct current voltage Vin, a drain electrode of the field effect transistor Q1 is connected with the V + power line and a drain electrode of the field effect transistor Q2, and a source electrode of the field effect transistor Q2 is connected with the GND power line; and an LED lamp string circuit is connected between the V + power line and the GND power line.
In the scheme, when a power line carrier microprocessor U1 receives an instruction and provides a switching signal for driving Q1 and Q2, different digital data signals are generated on a V + power line and a GND power line due to the alternate switching action of Q1 and Q2, and data transmission is carried out on the V + power line and the GND power line, the data transmission mode is synchronous communication, the synchronous communication has the advantages that the transmitting data is a port, the receiving data is a plurality of ports, a light string product is more suitable for the communication mode, 3 frames of data can be transmitted during synchronous communication, the 3 frames of data are transmitted for preventing data loss, the data are continuously received after the receiving port receives and identifies a complete synchronous character, CRC is carried out after the 3 frames of data are ended, and the CRC mainly checks whether an error code occurs in the data transmission process, and is an important means for ensuring the transmission reliability. The method specifically comprises the following steps: the power line carrier microprocessor U1, Q2 make up a push-pull control circuit, Q1 adopts P-MOSFET, Q2 adopts N-MOSFET, because Vin/5VDC voltage raises Q1 (P-MOSFET) grid potential through resistance R11, output the high level when U1/OUT1 foot is standby at the same time, Q1 does not accord with and passes the condition through, therefore, there is no voltage on V + power cord, GND power cord, the state of push-pull circuit is standby at this moment, after the power line carrier microprocessor U1 receives the order content, U1/OUT1 foot is changed into the high-low level of the switching signal from the high level when standby, V + on the power cord because of the switch-on of Q1, the direct current voltage on Vin flows into V + on the power cord, form the digital signal of various orders through the high-low level and transmit through the power cord, the subsystem MCU in each light string sets for the receiving state, read and decode the digital signal on the power cord constantly and convert the digital signal into the control signal and drive RGBW (LED) light string work.
Therefore, the utility model discloses can transmit in loading the power cord with digital control signal, utilize the two-wire power cord to realize the effect of illusion-colour christmas lamp cluster, solve christmas lamp cluster product production technology complicacy on the market, problem that manufacturing cost is high.
It should be noted that the power line carrier microprocessor U1 (single chip microcomputer) is an integrated circuit chip, and writes down various operations executed by the single chip microcomputer in the form of commands and executes all instructions in the form of a program memory and a data memory separately in the automatic program execution process. The memory is made up of a number of memory locations from which instructions are fetched and executed for the allocated stores. The power line carrier microprocessor U1 is connected with a signal receiving circuit, and the signal receiving circuit is used for receiving a function instruction of the remote controller.
After the power line carrier microprocessor U1 receives the instruction of the signal receiving circuit, the program content in the program memory is called according to the instruction content, and the program content is converted into the switching signal for driving Q1 and Q2, and the switching signal is converted into the digital signal of high and low level through the Q1 and Q2 switches, and the digital signal is loaded and transmitted on the power line, for example: the light-OFF (OFF command) command transmits a 00 digital signal, and the red light-on (R command) command transmits a 01 digital signal.
In this embodiment, the power line carrier transmission control circuit includes a diode D5 and a diode D6, an anode of the diode D5 is connected to the second end of the resistor R18, and a cathode of the diode D5 is connected to the gate of the field effect transistor Q1; the cathode of the diode D6 is connected with the second end of the resistor R18, and the anode of the diode D6 is connected with the grid of the field effect transistor Q2. Further, the power line carrier transmission control circuit further comprises a resistor R14 and a capacitor C6, a first end of the resistor R14 is connected to the V + power line, and a second end of the resistor R14 is connected to the GND power line; the first end of the capacitor C6 is connected with a V + power line, and the second end of the capacitor C6 is connected with a GND power line. Further, the power line carrier transmission control circuit further includes a capacitor C4 and a capacitor C5, a first end of the capacitor C4 is connected to a second end of the resistor R18, and a second end of the capacitor C4 is connected to a GND power line; and the source electrode of the field effect transistor Q1 is grounded through a capacitor C5.
Referring to fig. 4, the present invention further provides a LED christmas light string, which includes the power line carrier transmission control circuit. Furthermore, LED christmas lamp cluster includes a plurality of christmas lights, the christmas light with power line carrier transmission control circuit electric connection. It should be noted that, in fig. 4, reference numeral 1 denotes a power supply device for placing the power line carrier transmission control circuit; reference numeral 2 denotes a christmas lamp.
The above embodiments are only described as preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (6)
1. A power line carrier transmission control circuit, comprising: the power line carrier type voltage stabilizing circuit comprises a power line carrier microprocessor, a field effect transistor Q1, a field effect transistor Q2, a V + power line, a GND power line, a resistor R11, a resistor R12, a resistor R13, a resistor R18 and a direct-current voltage Vin, wherein the power line carrier microprocessor is provided with a PWM0 pin, the PWM0 pin is connected with a first end of the resistor R18, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q1 through the resistor R12, the grid electrode of the field effect transistor Q1 is connected with the direct-current voltage Vin through the resistor R11, a second end of the resistor R18 is connected with a grid electrode of the field effect transistor Q2 through the resistor R13, a source electrode of the field effect transistor Q1 is connected with the direct-current voltage Vin, a drain electrode of the field effect transistor Q1 is connected with the V + power line and a drain electrode of the field effect transistor Q2, and a source electrode of the field effect transistor Q2 is connected with the GND power line.
2. The power line carrier transmission control circuit according to claim 1, wherein: the power line carrier transmission control circuit comprises a diode D5 and a diode D6, wherein the anode of the diode D5 is connected with the second end of the resistor R18, and the cathode of the diode D5 is connected with the grid electrode of the field effect transistor Q1; the cathode of the diode D6 is connected with the second end of the resistor R18, and the anode of the diode D6 is connected with the grid of the field effect transistor Q2.
3. The power line carrier transmission control circuit according to claim 2, wherein: the power line carrier transmission control circuit further comprises a resistor R14 and a capacitor C6, wherein a first end of the resistor R14 is connected with a V + power line, and a second end of the resistor R14 is connected with a GND power line; the first end of the capacitor C6 is connected with a V + power line, and the second end of the capacitor C6 is connected with a GND power line.
4. The power line carrier transmission control circuit according to claim 3, wherein: the power line carrier transmission control circuit further comprises a capacitor C4 and a capacitor C5, wherein a first end of the capacitor C4 is connected with a second end of the resistor R18, and a second end of the capacitor C4 is connected with a GND power line; and the source electrode of the field effect transistor Q1 is grounded through a capacitor C5.
5. An LED Christmas lamp string is characterized in that: the LED Christmas light string comprises a power line carrier transmission control circuit as claimed in any one of claims 1 to 4.
6. An LED christmas light string as claimed in claim 5, wherein: the LED Christmas lamp string comprises a plurality of Christmas lamps, and the Christmas lamps are electrically connected with the power line carrier transmission control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009258.0U CN218603697U (en) | 2022-07-29 | 2022-07-29 | Power line carrier transmission control circuit and LED Christmas lamp string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009258.0U CN218603697U (en) | 2022-07-29 | 2022-07-29 | Power line carrier transmission control circuit and LED Christmas lamp string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218603697U true CN218603697U (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222009258.0U Active CN218603697U (en) | 2022-07-29 | 2022-07-29 | Power line carrier transmission control circuit and LED Christmas lamp string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218603697U (en) |
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2022
- 2022-07-29 CN CN202222009258.0U patent/CN218603697U/en active Active
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