CN212013134U

CN212013134U - Board is to board light system and device

Info

Publication number: CN212013134U
Application number: CN202020959971.XU
Authority: CN
Inventors: 刘建华; 江炯同
Original assignee: Guangzhou Caiyi Light Co Ltd
Current assignee: Guangzhou Caiyi Light Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-11-24
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a board is to board lighting system and device, the utility model discloses a set up the board of being connected with first control chip module at the control signal board to the board public seat, set up the board of being connected with LED drive circuit and LED module at the drive plate to the board mother seat, and make the board to board public seat and board mother seat electric connection, make the control signal of first control chip module transmission can transmit to board public seat and board to the board mother seat through the board, and then control LED drive circuit and LED module, adopt the board to the connected mode of board, even under the condition of a plurality of control signal of first control chip module output, reduce or eliminate the crosstalk between the control signal, the control effect to the LED module has been guaranteed, but wide application in light drive technical field.

Description

Board is to board light system and device

Technical Field

The utility model belongs to the technical field of light drive technique and specifically relates to a board is to board lighting system and device.

Background

With the development of the technology level and the improvement of the living standard of people, the requirements of people on the lamp are higher and higher, so the complexity of the lamp is higher and higher, for example, a control system of the lamp needs to integrate a large number of lamp beads, which results in high power required by the lamp. And among the current lamps and lanterns, including the aluminium base board that is provided with the lamp pearl usually, control the lamp pearl of aluminium base board through other controlling element, and controlling element and aluminium base board pass through the pencil and be connected, when the quantity of lamp pearl is many, need a large amount of pencil to realize connecting, cause the crosstalk between the control signal easily for lamp pearl control effect to aluminium base board receives the influence.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a: a board-to-board lighting system and apparatus are provided.

The utility model adopts the technical proposal that: a board-to-board lighting system comprises a control signal board and a driving board;

the control signal plate comprises a plate-to-plate male seat, a first control chip module and a first power supply module, the first control chip module is connected with the plate-to-plate male seat, and the first power supply module is connected with the first control chip module and the plate-to-plate male seat;

the drive plate, the drive plate includes board to female seat, LED drive circuit, LED module and second power module, the board to female seat with board to public seat electric connection, the board to female seat with LED drive circuit and LED module are connected, LED drive circuit with the LED module is connected, second power module with the board to female seat LED drive circuit and the LED module is connected.

Further, the first control chip module comprises a first control chip and a signal conversion module, the first control chip is connected with the signal conversion module, and the signal conversion module is connected with the board-to-board male seat.

Further, the first control chip module comprises a data transmission interface, and the data transmission interface is connected with the first control chip.

Further, the signal conversion module comprises a communication chip, a connection socket and a schmitt trigger, the first control chip is connected with the communication chip and the schmitt trigger, and the connection socket is connected with the communication chip, the schmitt trigger and the board-to-board public seat.

Further, the LED drive circuit comprises a drive chip and a connecting circuit, the drive chip is connected with the connecting circuit and the plate-to-plate mother seat, and the connecting circuit is connected with the LED module.

Further, connecting circuit includes bleeder circuit, simulation dimmer circuit, signal input circuit, switching frequency setting circuit, voltage output circuit and LED and cuts the light circuit, bleeder circuit connects drive chip, simulation dimmer circuit connects drive chip and signal input circuit, signal input circuit connects the board to female seat of board and drive chip, switching frequency sets for the circuit connection drive chip and LED cuts the light circuit, voltage output circuit connects drive chip and the LED module.

Further, the LED module comprises a control circuit and an LED lamp bead circuit, and the control circuit is connected with the LED drive circuit, the LED lamp bead circuit and the board-to-board mother seat.

Further, the control circuit comprises a first driver, a second driver, a third driver, a fourth driver, a first switch tube, a second switch tube, a third switch tube, a fourth switch tube and a first connection module, and the LED lamp bead circuit comprises a first lamp bead, a second lamp bead, a third lamp bead, a fourth lamp bead and a second connection module;

the negative electrode of the second lamp bead is connected with the positive electrode of the first lamp bead, the negative electrode of the first lamp bead is connected with the positive electrode of the fourth lamp bead, the negative electrode of the fourth lamp bead is connected with the positive electrode of the third lamp bead, the negative electrode of the third lamp bead is connected with the second connecting module, and the second connecting module is grounded;

the first input pin of the first driver, the first input pin of the second driver, the first input pin of the third driver, the first input pin of the fourth driver are respectively connected with different pins of the board to the board mother board, the first end of the first switch tube is connected with the LED driving circuit and the anode of the second lamp bead, the second end of the first switch tube is connected with the second end of the second switch tube and the anode of the first lamp bead, the first end of the second switch tube is connected with the second end of the third switch tube and the anode of the fourth lamp bead, the first end of the third switch tube is connected with the second end of the fourth switch tube and the anode of the third lamp bead, the first end of the fourth switch tube is connected with the first connecting module, the first connecting module is grounded, and the first output pin of the first driver is connected with the third end, the fourth end, the, The first output pin of the second driver is connected with the third end of the second switch tube, the first output pin of the third driver is connected with the third end of the third switch tube, and the first output pin of the fourth driver is connected with the third end of the fourth switch tube.

Further, the control signal board still includes second control chip module and dial switch, the second control chip module with the dial switch and the board is connected to the board public affair seat, first control chip module is connected the dial switch.

The embodiment also provides a device comprising the board-to-board lighting system.

The utility model has the advantages that: through setting up the board to the board public chair of being connected with first control chip module at the control signal board, set up the board to the board mother's seat of being connected with LED drive circuit and LED module at the drive plate, and make the board to board public chair and board to board mother's seat electric connection, make the control signal of first control chip module transmission can transmit to board public chair and board to board mother's seat through the board, and then control LED drive circuit and LED module, adopt the board to the connected mode of board, even under the condition of a plurality of control signals of first control chip module output, reduce or eliminate the crosstalk between the control signal, the control effect to the LED module has been guaranteed.

Drawings

Fig. 1 is a block diagram of a board-to-board lighting system according to the present invention;

fig. 2 is a first schematic diagram of a first control chip module according to the present invention;

fig. 3 is a second schematic diagram of the first control chip module according to the present invention;

fig. 4 is a first schematic diagram of the signal conversion module according to the present invention;

fig. 5 is a second schematic diagram of the signal conversion module according to the present invention;

FIG. 6 is a schematic view of the board-to-board male seat of the present invention;

fig. 7 is a schematic view of the plate-to-plate mother seat of the present invention;

fig. 8 is a schematic diagram of the LED driving circuit of the present invention;

fig. 9 is a first schematic diagram of the control circuit of the present invention;

fig. 10 is a second schematic diagram of the control circuit of the present invention;

fig. 11 is a schematic diagram of the LED lamp bead circuit of the present invention;

fig. 12 is a schematic diagram of a second control chip module according to the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first," "second," "third," and the like in the description and claims of this application and in the drawings are used solely to distinguish one from another and are not used to describe a particular sequence. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The invention will be further explained and explained with reference to the drawings and the embodiments in the following description.

Referring to fig. 1, an embodiment of the present invention provides a board-to-board lighting system, which includes a control signal board and a drive board;

Wherein, the board sets up in the back of control signal board to the public chair, adopts the foot distance to be 0.8mm, highly is "paster vertical board to the public chair of 2 mm. The board sets up in the front of drive plate to the board mother seat, adopts the foot distance to be 0.8mm, highly is "paster vertical board to the board mother seat" of 3mm, matches in order to realize signal transmission with the board to the board public seat.

In this embodiment, the first power module and the second power module are respectively used for providing power for the control signal board and the driving board, including but not limited to 48V, 3.3V, 12V, etc., which can be implemented by the prior art and will not be described.

Referring to fig. 2, in the present embodiment, the first control chip module includes a first control chip CPU1 and a signal conversion module connected to the first control chip CPU1, the signal conversion module being connected to the board-to-board official seat JP 2. The first control chip CPU1 is STM32F103RCT6, and is used for outputting 18 PWM signals (PWM 1-PWM 18) and 1 total pulse width signal PWM,

Referring to fig. 2 and 3, optionally, the first controller chip module further includes a dial switch SW1 and a first peripheral circuit, the first peripheral circuit includes a data transmission interface J45 connected to the first controller chip CPU1, the data transmission interface J45 is used for copying and burning a program, and a plurality of resistors (R117, R122, R137, R138, R139, RPWM, R125, R126, R173), capacitors (C114, C115, C149), diodes (Z12, Z13), a crystal oscillator X6, and a light emitting diode D18.

Referring to fig. 4 and 5, optionally, the signal conversion module includes a communication chip U27, a connection socket (J2, J2A), a schmitt trigger U102, and a second peripheral circuit including a number of resistors (R153, R154, R163, R164, R203, R114, R19, R14, R23, R17, R19A, R20A, R14A, R15A, R23A, R17A), capacitors (C215, C107), and diodes (Z12, Z13).

The communication chip U27 is connected with the first control chip CPU1 and the connection sockets (J2, J2A), the Schmitt trigger U102 is connected with the first control chip CPU1 and the connection sockets (J2, J2A), the connection sockets (J2, J2A) are connected with the board-to-board public seat JP2, and the Schmitt trigger U102 is used for receiving the total pulse width signal PWM of the first control chip CPU1 and outputting a total PWM signal PWMOUT. The connection sockets (J2, J2A) are sockets for switching the RS485 signal and the total PWM signal.

In this embodiment, the board-to-board boss JP2 has a plurality of pins for receiving the total PWM signal PWMOUT and the pulse width modulation of the PWM1 to PWM18 from the first control chip CPU 1.

Referring to fig. 6 and 7, in the present embodiment, the board-to-board female seat JP2A is matched with the board-to-board male seat JP2, and is configured to receive PWMOUT transmitted by the board-to-board male seat JP2, and to receive pulse width modulation of the PWM1 to PWM18 transmitted by the board-to-board male seat JP2, that is, PWMOUT inputted by the board-to-board female seat JP2A is PWMOUT transmitted by the board-to-board male seat JP2, and PWM1 to PWM18 inputted by the board-to-board female seat JP2A is PWM1 to PWM18 transmitted by the board-to-board male seat JP2, so that by setting the board-to-board male seat JP2 and the board-to-board female seat JP2A, transmission of a control signal of the first control chip CPU1 on the control signal board to. Then, the board receives PWMOUT and PWM1 to PWM18 to the board mother board JP2A for input into the LED driving circuit and the LED module.

Referring to fig. 8, in the present embodiment, the LED driving circuit includes a driving chip U1 and a connection circuit, the driving chip U1 is connected to the connection circuit and the board-to-board mother socket JP2A, and the connection circuit is connected to the LED module. The driving chip U1 model is LM3409HV, and the LED drive circuit is the LED constant current drive circuit.

Referring to fig. 8, optionally, the connection circuit includes a voltage dividing circuit, an analog dimming circuit, a signal input circuit, a switching frequency setting circuit, a voltage output circuit and an LED light-cutting circuit, the voltage dividing circuit is connected with the driving chip U1, the analog dimming circuit is connected with the driving chip U1 and the signal input circuit, the signal input circuit connection board is connected with the board mother seat JP2A and the driving chip U1, the switching frequency setting circuit is connected with the driving chip U1 and the LED light-cutting circuit, and the voltage output circuit is connected with the driving chip U1 and the LED module.

Specifically, the voltage divider circuit includes a first resistor R12 and a second resistor R13. The analog dimming circuit is used for adjusting the current of the LED module and comprises a third resistor R20, a fourth resistor R19 and a first capacitor C12. The signal input circuit comprises a first diode D8, a second capacitor C10 and a fifth resistor R17, wherein the positive electrode of the first diode D8 is connected to PWMOUT received by the board-to-board mother seat JP 2A. The switching frequency setting circuit includes a sixth resistor R15, a seventh resistor R14, and a third capacitor C9. The voltage output circuit comprises a first power tube Q1, a second diode D5, a first inductor L26, a second inductor L27, an eighth resistor R900 and a fourth capacitor C900, wherein one end, which is not connected with the eighth resistor R900, of the first inductor L26 is connected with the LED module. The LED light-cutting circuit comprises a second power tube Q100, a ninth resistor R100, a third diode D100 and a third power tube (NMOS tube) U100.

In this embodiment, the connection circuit further includes a tenth resistor R1, a fourth capacitor C11, a fifth capacitor CIN, a third diode D6, and an eleventh resistor RF 1. The tenth resistor R1 is a current limiting resistor for setting the maximum output current of the constant current; the fourth capacitor C11 is used for linearly adjusting the output of the LED driving circuit; the fifth capacitor CIN is connected with the second power supply module; the third diode D6 is a breakdown-preventing diode at the input and output terminals; the eleventh resistor RF1 is used to prevent the LED driving circuit from short-circuiting.

In this embodiment, the LED module includes control circuit and LED lamp pearl circuit, and control circuit is connected to LED drive circuit, LED lamp pearl circuit and board-to-board mother seat JP 2A.

Referring to fig. 9 and 10, optionally, the control circuit includes a first driver U2, a second driver U3, a third driver U4, a fourth driver U5, a first switch tube Q101A, a second switch tube Q101B, a third switch tube Q102A, a fourth switch tube Q102B, and a first connection module, and several resistors (R103, R101, R102, R104, R105, R106, R113, R107, R108, R112), capacitors (C103, C102, C101, C100), and diodes (D104, D101, D102, D103). Wherein the model of each driver is LM5109 BMA; in this embodiment, the first connection module is grounded, and includes a fifth driver U6, a fifth switch Q103A, a sixth switch Q103B, a seventh switch Q104A, an eighth switch Q104B, a plurality of resistors (R111, R109, R110), a capacitor C104, and a diode D105, and in other embodiments, the first connection module includes, but is not limited to, a resistor or a wire, and the like.

Referring to fig. 11, in this embodiment, the LED lamp bead circuit includes a first lamp bead R2, a second lamp bead B2, a third lamp bead G2, a fourth lamp bead W2, a second connection module, a sixth capacitor C51, a seventh capacitor C52, an eighth capacitor C53, and a ninth capacitor C54; in this embodiment, the second connection module is grounded, the second connection module includes a fifth light bead R1, a sixth light bead B1, a seventh light bead G1, an eighth light bead W1, a tenth capacitor C55, an eleventh capacitor C56, a twelfth capacitor C57, and a thirteenth capacitor C58, and in other embodiments, the second connection module includes, but is not limited to, a resistor, a wire, or the like.

Wherein, the electric capacity in the LED lamp pearl circuit can prevent the crosstalk of colour in each lamp pearl. Optionally, the first lamp bead R2 and the fifth lamp bead R1 are red, the second lamp bead B2 and the sixth lamp bead B1 are blue, the third lamp bead G2 and the seventh lamp bead G1 are green, and the fourth lamp bead W2 and the eighth lamp bead W1 are white.

Specifically, the connection relationship of the LED lamp bead circuit is as follows: the positive pole of first lamp pearl R2 is connected second lamp pearl B2's negative pole, first lamp pearl R2's negative pole is connected fourth lamp pearl W2's positive pole, third lamp pearl G2's positive pole is connected fourth lamp pearl W2's negative pole, sixth lamp pearl B1's positive pole is connected to third lamp pearl G2's negative pole, and sixth lamp pearl B1's negative pole is connected to fifth lamp pearl R1's positive pole, and eighth lamp pearl W1's positive pole is connected to fifth lamp pearl R1's negative pole, and eighth lamp pearl W1's negative pole is connected to seventh lamp pearl G1's positive pole, and seventh lamp pearl G1's negative pole is grounded.

The connection relation between the control circuit and the LED lamp bead circuit is as follows: the first input pin (2) of the first driver U2, the first input pin (2) of the second driver U3, the first input pin (2) and the second input pin (3) of the third driver U4, the first input pin (2) and the second input pin (3) of the fourth driver U5 and the first input pin (2) and the second input pin (3) of the fifth driver U6 are respectively connected with different pins of the board-to-board mother seat JP2A and respectively receive PWM1-8 transmitted by the board-to-board mother seat JP 2A.

A first end of the first switch tube Q101A is connected with the anodes of the first inductor L26 and the second lamp bead B2, a second end of the first switch tube Q101A is connected with a second end of the second switch tube Q101B and the anode of the first lamp bead R2, and a third end of the first switch tube Q101A is connected with a first output pin (7) of the first driver U2;

a first end of the second switch tube Q101B is connected with a second end of the third switch tube Q102A, the positive electrode of the fourth lamp bead W2 and a second output pin (6) of the second driver U3, and a third end of the second switch tube Q101B is connected with a first output pin (7) of the second driver U3;

the first end of the third switching tube Q102A is connected with the second end of the fourth switching tube Q102B, the positive electrode of the third lamp bead G2 and the second output pin (6) of the third driver U4, and the third end of the third switching tube Q102A is connected with the first output pin (7) of the third driver U4;

the first end of the fourth switching tube Q102B is connected with the second end of the fifth switching tube Q103A, the second output pin (6) of the fourth driver U5 and the anode of the sixth lamp bead B1, and the third end of the fourth switching tube Q102B is connected with the first output pin (7) of the fourth driver U5.

A first end of the fifth switching tube Q103A is connected to the second end of the sixth switching tube Q103B, the second output pin (6) of the fifth driver U6 and the negative electrode of the sixth lamp bead B1, and a third end of the fifth switching tube Q103A is connected to the first output pin (7) of the fifth driver U6.

A first end of the sixth switching tube Q103B is connected to the second end of the seventh switching tube Q104A and the anode of the eighth lamp bead W1, a second end of the seventh switching tube Q104A is connected to the fourth diode D107 and the fifth diode D106, and a third end of the sixth switching tube Q103B is connected to the third output pin (5) of the third driver U4.

The first end of the seventh switch tube Q104A is connected to the second end of the eighth switch tube Q104B and the positive electrode of the seventh lamp bead G1, the first end of the eighth switch tube Q104B is grounded, the third end of the seventh switch tube Q104A is connected to the third output pin (5) of the fourth driver U5, and the third end of the eighth switch tube Q104B is connected to the third output pin (5) of the fifth driver U6.

Referring to fig. 3 and 12, in the present embodiment, the control signal board further includes a second control chip module connected to the dial switch SW1 and the board-to-board public seat JP2, and the first control chip CPU1 module is connected to the dial switch SW 1. The second control chip module comprises a second control chip and a third peripheral circuit, and the peripheral circuit comprises a plurality of resistors (R117A, R122A, R137A, R138A, R139A), capacitors (C114A, C115A), a crystal oscillator X6A, a light-emitting diode D18A and the like.

Optionally, another LED driving circuit and another LED module are further included, and the connection relationship is similar, which is not described again.

The working principle of the board-to-board lighting system is as follows: a first control chip CPU1 for controlling a signal board sends out a total pulse width signal PWM, the total pulse width signal PWM is transmitted to a schmitt trigger U102 to output a total PWM signal PWMOUT, and is transmitted to a board-to-board male seat JP2, the board-to-board male seat JP2 transmits the signal PWMOUT to a board-to-board female seat JP2A, and then the board-to-board female seat JP2A transmits the signal PWMOUT to an LED driving circuit, if the duty ratio of the signal PWMOUT is 100%, a first lamp bead R2, a second lamp bead B2, a third lamp bead G2, a fourth lamp bead W2, a fifth lamp bead R1, a sixth lamp bead B1, a seventh lamp bead G1, and an eighth lamp bead W1 in an LED module will be turned on.

Assuming that the first lamp bead R2 and the fourth lamp bead W2 are to be turned off, at this time, the first control chip CPU1 may generate PWM1 and PWM5 with a duty ratio of 100%, transmit the PWM1 to the board-to-board male seat JP2, transmit the PWM 35 2 to the board-to-board female seat JP2A, and transmit the PWM1 and the PWM5 to the third driver U4 and the second driver U3 respectively through the board-to-board female seat JP2A, so that the second switching tube Q101B and the sixth switching tube Q103B are turned on, and the first lamp bead R2 and the fourth lamp bead W2 are short-circuited; and if the PWM1 and the PWM5 have the duty ratio of 0% -100%, the brightness (from dark to light or from light to dark) of the first lamp bead R2 and the fourth lamp bead W2 can be controlled.

The principle of controlling other lamp beads is similar, so the description is omitted.

In this embodiment, a device is also provided, including the above board-to-board lighting system.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A board to board lighting system which characterized in that: the device comprises a control signal plate and a driving plate;

2. The board-to-board lighting system of claim 1, wherein: the first control chip module comprises a first control chip and a signal conversion module, the first control chip is connected with the signal conversion module, and the signal conversion module is connected with the board-to-board male seat.

3. The board-to-board lighting system of claim 2, wherein: the first control chip module comprises a data transmission interface, and the data transmission interface is connected with the first control chip.

4. The board-to-board lighting system of claim 2, wherein: the signal conversion module comprises a communication chip, a connecting socket and a Schmitt trigger, the first control chip is connected with the communication chip and the Schmitt trigger, and the connecting socket is connected with the communication chip, the Schmitt trigger and the board-to-board public seat.

5. The board-to-board lighting system of claim 1, wherein: the LED driving circuit comprises a driving chip and a connecting circuit, the driving chip is connected with the connecting circuit and the board-to-board female seat, and the connecting circuit is connected with the LED module.

6. The board-to-board lighting system of claim 5, wherein: the connecting circuit includes bleeder circuit, simulation light modulation circuit, signal input circuit, switching frequency setting circuit, voltage output circuit and LED and cuts the light circuit, bleeder circuit connects driver chip, the simulation light modulation circuit connects driver chip and signal input circuit, signal input circuit connects the board to female seat of board and driver chip, switching frequency sets for the circuit connection driver chip and LED cuts the light circuit, voltage output circuit connects driver chip and the LED module.

7. The board-to-board lighting system of claim 1, wherein: the LED module comprises a control circuit and an LED lamp bead circuit, wherein the control circuit is connected with the LED drive circuit, the LED lamp bead circuit and the board-to-board mother seat.

8. The board-to-board lighting system of claim 7, wherein: the control circuit comprises a first driver, a second driver, a third driver, a fourth driver, a first switch tube, a second switch tube, a third switch tube, a fourth switch tube and a first connecting module, and the LED lamp bead circuit comprises a first lamp bead, a second lamp bead, a third lamp bead, a fourth lamp bead and a second connecting module;

9. The board-to-board lighting system of claim 1, wherein: the control signal board further comprises a second control chip module and a dial switch, the second control chip module is connected with the dial switch and the board to the board public seat, and the first control chip module is connected with the dial switch.

10. An apparatus, characterized by: comprising a board-to-board lighting system according to any of claims 1-9.