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CN-224233881-U - Multichannel control circuit, PCB and lamp

CN224233881UCN 224233881 UCN224233881 UCN 224233881UCN-224233881-U

Abstract

The utility model discloses a multi-channel control circuit, a PCB (printed circuit board) and a lamp, wherein the multi-channel control circuit comprises an information interaction unit, an output unit and a control unit, the information interaction unit comprises an interface part, a control information interaction part and an addressing information interaction part, the control unit is connected with the interface part through the control information interaction part to realize information interaction with an external controller, the control unit is also connected with the interface part through the addressing information interaction part to realize information interaction with an upper computer, the signal output end of the control unit is connected with the input end of the information output unit, and the output end of the information output unit is connected with a lamp load circuit board.

Inventors

  • Cao Qisong
  • ZHANG JIAYAO
  • Long Xinji
  • ZHENG SHOUQING

Assignees

  • 佛山市银河兰晶科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (10)

  1. 1. A multichannel control circuit is characterized by comprising an information interaction unit, an information output unit and a control unit, wherein the information interaction unit comprises a first interface part, a control information interaction part and an addressing information interaction part, the control unit is connected with the first interface part through the control information interaction part, the control information interaction part and the first interface part are used for realizing information interaction between the control unit and an external controller, the control unit is connected with the first interface part through the addressing information interaction part, the addressing information interaction part and the first interface part are used for realizing information interaction between the control unit and an upper computer, a signal output end of the control unit is connected with an input end of the information output unit, and an output end of the information output unit is used for being connected with a load circuit board of a lamp.
  2. 2. The multi-channel control circuit according to claim 1, further comprising a power supply unit, wherein an input terminal of the power supply unit is connected to the first interface portion, and an output terminal of the power supply unit is connected to a power supply terminal of the control information interaction portion, a power supply terminal of the addressing information interaction portion, and a power supply terminal of the control unit, respectively.
  3. 3. The multi-channel control circuit according to claim 2, wherein the power supply unit is configured to convert 24V dc voltage into 5V dc voltage, the power supply unit includes a first filtering portion, a first control chip U1, and a second filtering portion, an input end of the first filtering portion is connected to the first interface portion, an output end of the first filtering portion is connected to a pin Vin of the first control chip U1, a pin Vout of the first control chip U1 is connected to an input end of the second filtering portion, and an output end of the second filtering portion is connected to a power supply end of the control information interaction portion, a power supply end of the addressing information interaction portion, and a power supply end of the control unit, respectively.
  4. 4. The multi-channel control circuit according to claim 1, wherein the control unit comprises a third control chip U3, the model of the third control chip U3 is GL-GS08, the pins 29, 30 and 16 of the third control chip U3 are respectively connected with the control information interaction portion, the pins 22 and 25 of the third control chip U3 are respectively connected with the addressing information interaction portion, and the pins 12, 13, 18, 19, 20 and 21 of the third control chip U3 are respectively connected with the input terminal of the information output unit.
  5. 5. The multi-channel control circuit according to claim 4, wherein the first interface portion comprises a first plug-in connector J1, the control information interaction portion comprises a first voltage division group, a second voltage division group and a second control chip U2, a pin 4 and a pin 5 of the first plug-in connector J1 are respectively connected with one end of the first voltage division group and one end of the second voltage division group, the other end of the first voltage division group is connected with a pin A of the second control chip U2, the other end of the second voltage division group is connected with a pin B of the second control chip U2, a pin R of the second control chip U2 is connected with a pin 30 of the third control chip U3, a pin D of the second control chip U2 is connected with a pin D of the third control chip U3, and a pin RE and a pin DE of the second control chip U2 are connected with a pin 16 of the second control chip U2.
  6. 6. The multi-channel control circuit according to claim 5, wherein the addressing information interaction part comprises an overcurrent protection group, an overvoltage protection group and a current limiting group, one end of the overcurrent protection group is connected with the pin 2 and the pin 3 of the first plug-in connector J1, the other end of the overcurrent protection group is connected with one end of the current limiting group through the overvoltage protection group, and the other end of the current limiting group is respectively connected with the pin 22 and the pin 25 of the third control chip U3.
  7. 7. The multi-channel control circuit according to claim 4, wherein the information output unit comprises a second interface part and a partial pressure detection part, the output end of the control unit is connected with the second interface part through the partial pressure detection part, and the second interface part is used for being connected with a load circuit board of the lamp.
  8. 8. The multi-channel control circuit according to claim 7, wherein the voltage division detecting unit comprises six voltage division detecting groups, the input ends of the six voltage division detecting groups are respectively connected with the pins 12, 13, 18, 19, 20 and 21 of the third control chip U3 in a one-to-one correspondence manner, and the output ends of the six voltage division detecting groups are connected with the input ends of the second interface unit.
  9. 9. A PCB board on which a multi-channel control circuit as claimed in any one of claims 1 to 8 is printed.
  10. 10. The lamp comprises a shell, wherein a load circuit board and a lamp panel electrically connected with the load circuit board are arranged in the shell, and the lamp is characterized by further comprising the PCB according to claim 9, and the PCB is electrically connected with the load circuit board.

Description

Multichannel control circuit, PCB and lamp Technical Field The utility model relates to the technical field of illumination control, in particular to a multichannel control circuit, a PCB (printed circuit board) and a lamp. Background In today's lighting industry, the functional requirements of outdoor lighting fixtures are becoming more and more diverse, including but not limited to constant power output, four-color continuous dimming, color temperature regulation curves, color card matching, controllable strobe designs, overall brightness regulation switches, and support remote device management protocols for remote monitoring and detection of fixture status, etc. However, in the face of the requirement of diversification of lamps, the current product development strategy is mainly focused on the customized design aiming at specific projects, namely specific functional requirements, the method not only increases the types and the quantity of product materials, but also causes repeated investment of design resources, and under the condition of shorter project development period, the customized strategy enables enterprises to face larger passivity, so that the flexibility and the competitiveness of the enterprises in the market are limited. It can be seen that there is a need for improvements and improvements in the art. Disclosure of utility model In view of the shortcomings of the prior art, the utility model aims to provide a multi-channel control circuit which can meet the multifunctional use requirements of outdoor lamps and greatly reduce the hardware design cost. In order to achieve the above purpose, the utility model adopts the following technical scheme: The multichannel control circuit comprises an information interaction unit, an information output unit and a control unit, wherein the information interaction unit comprises a first interface part, a control information interaction part and an addressing information interaction part, the control unit is connected with the first interface part through the control information interaction part, the control information interaction part and the first interface part are used for realizing information interaction between the control unit and an external controller, the control unit is connected with the first interface part through the addressing information interaction part, the addressing information interaction part and the first interface part are used for realizing information interaction between the control unit and an upper computer, a signal output end of the control unit is connected with an input end of the information output unit, and an output end of the information output unit is used for being connected with a load circuit board of a lamp. The multichannel control circuit further comprises a power supply unit, wherein the input end of the power supply unit is connected with the first interface part, and the output end of the power supply unit is respectively connected with the power supply end of the control information interaction part, the power supply end of the addressing information interaction part and the power supply end of the control unit. In the multichannel control circuit, the power supply unit is used for converting 24V direct current voltage into 5V direct current voltage, the power supply unit comprises a first filtering part, a first control chip U1 and a second filtering part, the input end of the first filtering part is connected with the first interface part, the output end of the first filtering part is connected with a pin Vin of the first control chip U1, a pin Vout of the first control chip U1 is connected with the input end of the second filtering part, and the output end of the second filtering part is respectively connected with the power supply end of the control information interaction part, the power supply end of the addressing information interaction part and the power supply end of the control unit. In the multi-channel control circuit, the control unit comprises a third control chip U3, the model of the third control chip U3 is GL-GS08, a pin 29, a pin 30 and a pin 16 of the third control chip U3 are respectively connected with the control information interaction part, a pin 22 and a pin 25 of the third control chip U3 are respectively connected with the addressing information interaction part, and a pin 12, a pin 13, a pin 18, a pin 19, a pin 20 and a pin 21 of the third control chip U3 are respectively connected with the input end of the information output unit. In the multi-channel control circuit, the first interface part comprises a first plug-in connector J1, the control information interaction part comprises a first voltage division group, a second voltage division group and a second control chip U2, a pin 4 and a pin 5 of the first plug-in connector J1 are respectively connected with one end of the first voltage division group and one end of the second voltage division group, the other end of the fi