CN212367583U

CN212367583U - Lighting box

Info

Publication number: CN212367583U
Application number: CN202020997645.8U
Authority: CN
Inventors: 杨建�
Original assignee: Zhongshan Dema Auto Parts Co ltd
Current assignee: Zhongshan Dema Auto Parts Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-15
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a lighting box, which comprises a lighting box shell and a PCB board arranged in the lighting box shell; the PCB is provided with a control circuit; the control circuit comprises an MCU module, a power supply module, a switch assembly and an LIN transceiver module; the power supply module is used for converting the 12V voltage into the 5V voltage and providing power supply for the control circuit; the shell of the lighting box is provided with a key area and a plurality of keys; the MCU module is used for receiving the control instruction of the corresponding key through the switch assembly, and further generating a control signal according to the control instruction and sending the control signal to the LIN transceiver module; and the LIN transceiver module is used for converting the control signal sent by the MCU module into an LIN signal and sending the LIN signal to the atmosphere lamp, so that the brightness adjustment and color switching control of the atmosphere lamp are realized, and the problems that the lighting box is not flexible enough to the atmosphere lamp control in the prior art are solved.

Description

Lighting box

Technical Field

The utility model relates to a circuit control especially relates to a box of lighting.

Background

Generally, atmosphere lamps are used for some applications to create an atmosphere for an application, such as a stage, banquet, or the like. The control of the atmosphere lamp is generally controlled by adopting a lighting box. However, the existing lighting box has few keys, and the realized function is single, so that the brightness adjustment and the color switching of the atmosphere lamp cannot be flexibly controlled; in addition, the components of the lighting box circuit board are not of a vehicle gauge grade, and potential safety hazards exist in the use process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a lighting box, which can solve the problems that the lighting box in the prior art is not flexible enough to control the atmosphere lamp.

The purpose of the utility model is realized by adopting the following technical scheme:

a lighting box comprises a lighting box shell and a PCB board arranged in the lighting box shell; the PCB is provided with a control circuit; the control circuit comprises an MCU module, a power supply module, a switch assembly and an LIN transceiver module; the power supply module is used for converting 12V voltage into 5V voltage and providing power for the switch assembly, the MCU module and the LIN transceiver module; the switch assembly and the LIN transceiver module are respectively electrically connected with the MCU module;

a key area is arranged on the shell of the lighting box; the key area is provided with a plurality of keys, and each key is electrically connected with the switch assembly; the MCU module is used for receiving the control instruction of the corresponding key through the switch assembly, and further generating a control signal according to the control instruction and sending the control signal to the LIN transceiver module; and the LIN receiving and transmitting module is used for converting the control signal sent by the MCU module into an LIN signal and sending the LIN signal to the atmosphere lamp so as to realize brightness adjustment and color switching control of the atmosphere lamp.

Further, the control circuit comprises an LED lamp group; the MCU module is electrically connected with the LED lamp bank and used for controlling the working state of the indicator lamps in the LED lamp bank so as to display the working state of the lighting box.

Further, the LED lamp set comprises an LED lamp set comprising a first indicator lamp, a second indicator lamp, a third indicator lamp, a fourth indicator lamp, a fifth indicator lamp, a first resistor, a second resistor, a third resistor, a fourth resistor and a fifth resistor;

one end of a first indicator lamp is electrically connected with the MCU module, the other end of the first indicator lamp is grounded through a first resistor, one end of a second indicator lamp is electrically connected with the MCU module, the other end of the second indicator lamp is grounded through a second resistor, one end of a third indicator lamp is electrically connected with the MCU module, the other end of the third indicator lamp is grounded through a third resistor, one end of a fourth indicator lamp is electrically connected with the MCU module, the other end of the fourth indicator lamp is grounded through a fourth resistor, one end of a fifth indicator lamp is electrically connected with the power supply module, and the other end of the fifth indicator lamp is grounded through a; the MCU module is used for controlling the working states of the first indicator light, the second indicator light, the third indicator light and the fourth indicator light and indicating the working state of the lighting box; the power on state of the lighting box is indicated by a fifth indicator lamp.

Further, there are 10 keys.

Further, the switch assembly includes 10 switches; the SW end of each switch is electrically connected with the power supply module, and the PB end of each switch is electrically connected with the MCU module; each switch is also grounded through a circuit formed by the first capacitor and the sixth resistor which are connected in parallel.

Further, the power module comprises a power module which comprises a 12V power socket, a self-recovery fuse, a first voltage stabilizing diode, a first reverse-connection prevention diode D7, a first filter circuit, a voltage stabilizing tube, a second voltage stabilizing diode and a second filter circuit;

the 12V power socket is connected with an external power supply through a power socket arranged on the shell of the lighting box and is used for accessing a 12V power supply; one end of a self-recovery fuse L2 is electrically connected with a 12V power socket, and the other end of the self-recovery fuse L2 is electrically connected with an input end Vin of a voltage-stabilizing tube L1 through a first anti-reverse diode D7; the other end of the self-recovery fuse L2 is also grounded through a first zener diode D8; the input end Vin of the voltage regulator tube L1 is also grounded through a first filter circuit, and the output end Vout is grounded through a second filter circuit; the ground end GND of the voltage regulator tube L1 is grounded, and the output end Vout is also grounded through a second voltage regulator diode D9;

and the voltage regulator tube L1 is used for converting the 12V power supply input by the input end Vin into 5V voltage and outputting the voltage through the output end Vout.

Furthermore, the MCU module comprises a second chip, a first plug connector and a second plug connector; the second chip is electrically connected with other circuit modules of the control circuit through the first plug connector P15 or the second plug connector P16; the model of the second chip is S9KEAZN64 AMLH; the first plug connector and the second plug connector are plug connectors with 32 plug pins.

Further, the LIN transceiver module comprises an LIN transceiver, a second reverse connection prevention diode, a third reverse connection prevention diode, a filter capacitor and a third plug connector; wherein the model of the LIN transceiver is MC 33662;

the RXD port of the LIN transceiver is electrically connected with the port 34 of the first chip through the port 18 of the second plug connector, the TXD port is electrically connected with the port 33 of the first chip through the port 17 of the second plug connector, and the RXD port is respectively used for receiving RX signals and TX signals sent by the MCU module, converting the RX signals and the TX signals into LIN signals and outputting the LIN signals through the LIN port;

the EN port of the LIN transceiver is electrically connected with the power supply module, the WAKE port is grounded, and the GND port is grounded; the VSUP port of the LIN transceiver is connected with a 12V power supply through an anti-reverse diode; the LIN port of the LIN transceiver is grounded through a filter capacitor and a second reverse connection prevention diode;

the port 1 of the third plug connector is connected with a 12V power supply, the

ports

2 and 3 are both connected with an LIN port of an LIN transceiver, and the port 4 is grounded; the third plug connector is used for connecting the atmosphere lamp;

and the LIN transceiver is used for converting the TX signal and the DX signal sent by the MCU module into an LIN signal and transmitting the LIN signal to the atmosphere lamp through the third connector clip so as to control the atmosphere lamp.

Furthermore, the control circuit comprises a program downloading interface, and the MCU module is electrically connected with the program downloading interface and used for downloading the control program from external equipment and writing the control program into the MCU module; the program downloading interface comprises a fourth plug connector; the port 1 of the fourth plug connector is connected with a 5V power supply, the port 4 is grounded, the port 9 is electrically connected with the port 62 of the first chip through the port 14 of the second plug connector, and the port 7 is electrically connected with the port 64 of the first chip through the port 16 of the second plug connector.

Furthermore, the control circuit comprises an MCU reset module and a filtering module; the MCU reset module is used for resetting the MCU module and comprises a fourth plug connector, a reset switch, a second capacitor and a seventh resistor; the port 2 of the fourth plug connector is electrically connected with one end of the reset switch, and the port 1 of the fourth plug connector is electrically connected with the other end of the reset switch; one end of the reset switch is grounded, and the other end of the reset switch is electrically connected with the port 63 of the first chip through the port 14 of the second plug connector; one end of the reset switch is connected with a 5V power supply through a seventh resistor; the button district is equipped with the button that resets, the button that resets with reset switch is connected.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model improves the control circuit of the lighting box, and makes more keys of the lighting box, thereby providing more possibilities for controlling the atmosphere lamp; meanwhile, the utility model has simple structure, convenient installation and convenient use; additionally, the utility model discloses the control circuit's on the well PCB board components and parts all adopt car rule level, have guaranteed the operation security of lighting the box.

Drawings

Fig. 1 is a schematic structural diagram of a lighting box according to the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic diagram of a PCB structure of the lighting box of FIG. 1;

FIG. 4 is a circuit diagram of the power module of FIG. 1;

FIG. 5 is a schematic circuit diagram of the MCU module of FIG. 1;

fig. 6 is a schematic circuit diagram of the LIN transceiver of fig. 1;

FIG. 7 is a schematic circuit diagram of the LED lamp set of FIG. 1;

FIG. 8 is a circuit diagram of the MCU reset module of FIG. 1;

FIG. 9 is a circuit diagram of the program download interface of FIG. 1;

FIG. 10 is a circuit schematic of the switching assembly of FIG. 1;

fig. 11 is a circuit diagram of the filter module in fig. 1.

In the figure: 1. illuminating the cartridge housing; 2. a key area; 3. a power outlet; 4. a program download socket; 5. an indicator light; 11. a power supply module; 12. an MCU module; 13. a LIN transceiver module; 14. an LED lamp group; 15. A switch assembly; 16. a program download interface; 17. and the MCU resetting module.

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.

As shown in fig. 1-2, the present invention provides a preferred embodiment, a lighting box, which comprises a lighting box housing 1, a PCB board installed in the lighting box housing 1, and a key region 2 installed on the housing.

Wherein, be equipped with the control circuit who is used for controlling the box work of lighting on the PCB board. The key area 2 is provided with a plurality of keys, and each key is electrically connected with each circuit module in the control circuit. Through pressing the button, send control command to control circuit, and then make control circuit generate control signal to send the atmosphere lamp, realize the control to the atmosphere lamp. Preferably, the utility model has a large number of keys in the key area 2, which can flexibly set various control functions and provide more convenience for future demands; and simultaneously, the utility model discloses components and parts on the well PCB board are car rule level, safety insurance more during the use.

Preferably, through the utility model provides a box of lighting can realize the brightness control and the colour switching control to the atmosphere lamp. Specifically, the brightness adjustment is divided into 10 brightness levels, for example, 10 keys of the key area 2 are used for controlling and realizing the switching of the brightness levels of the atmosphere lamp, so that the control of the atmosphere lamp is more diverse and flexible, and great help and more possibilities are provided for the production and the use of the atmosphere lamp.

Preferably, the lighting box housing 1 is further provided with a program download socket 4 and a power supply socket 3, wherein the program download socket 4 is used for plugging other devices so that the control logic is pre-embedded in the control circuit. The power socket 3 is used for being connected with external power equipment and providing power for the control circuit.

As shown in fig. 3-11, the control circuit includes a power supply module 11, an MCU module 12, a switch assembly 15, a program download interface 16, an LED lamp group 14, and a LIN transceiver module 13.

The MCU module 12, the switch module 15, the program downloading interface 16, the LED lamp set 14, and the LIN transceiver module 13 are electrically connected to the power module 11 for obtaining a corresponding power.

As shown in fig. 4, the power supply module 11, which converts a 12V voltage into a 5V voltage, supplies power to other respective modules of the lighting box.

Further, the power module 11 includes a 12V power socket, a self-recovery fuse L2, a zener diode D8, an anti-reverse diode D7, a first filter circuit, a zener diode L1, a zener diode D9, and a second filter circuit. The first filter circuit is composed of a capacitor C18 and a capacitor C19 which are connected in parallel, and the second filter circuit is composed of a capacitor C19 and a capacitor C20 which are connected in parallel.

The 12V power socket is used for being connected with a 12V power supply, is electrically connected with a voltage socket arranged on the lighting box shell 1, and is further connected with an external power supply to obtain the power supply.

One end of the self-recovery fuse L2 is electrically connected with a 12V power socket, and the other end is electrically connected with the input end Vin of the voltage regulator tube L1 through an anti-reverse diode D7.

The other end of the self-recovery fuse L2 is also connected to ground through a zener diode D8.

The input end Vin of the regulator tube L1 is also grounded through the first filter circuit, and the output end Vout is grounded through the second filter circuit.

The ground terminal GND of the regulator tube L1 is grounded, and the output terminal Vout is also grounded through the zener diode D9.

When the current in the power module 11 becomes larger abnormally, the self-recovery fuse L2 is turned on to break the circuit, and the input of 12V power to the input end Vin of the regulator tube L1 is stopped, so that the circuit protection of the regulator tube L1 is realized.

As shown in fig. 5, the MCU module 12 is a main control chip of the lighting box and is configured to control the operating states of other circuit modules.

Preferably, the MCU module 12 includes a chip U2, a plug P15 and a plug P16. The model of the chip U2 is S9KEAZN64 AMLH.

Each port of the chip U2 is electrically connected to a port of a corresponding connector and to a corresponding port of each of the other circuit modules.

Preferably, the switch assembly 15 includes 10 switches. One end of each switch is connected with the power module 11 and used for obtaining a 5V power supply; the other end is electrically connected with the MCU module 12 through a corresponding plug connector; meanwhile, each switch is grounded through a circuit formed by a capacitor and a resistor which are connected in parallel.

Further, as shown in fig. 10, the switch assembly 15 includes a second switch S2, a third switch S3, a fourth switch S4, a fifth switch S5, a sixth switch S6, a seventh switch S7, an eighth switch S8, a ninth switch S9, a tenth switch S10, an eleventh switch S11, and a twelfth switch S12.

One end of the second switch S2 is connected with a 5V power supply, and the other end of the second switch S2 is electrically connected with a port 1 of a plug connector P15 through a port 2 of a plug connector P2, and further electrically connected with a port 1 of a chip U2; and the port 1 of the plug connector P2 is connected with a 5V power supply. The remaining 9 switches are set accordingly. Wherein each switch corresponds to each key of the key area 2 on the lighting box housing 1.

When the MCU module 12 is used, a worker presses a corresponding key and triggers a corresponding switch, and then sends a control instruction to the chip U2 through the plug connectors P2 and P15, so that the MCU module 12 receives the control instruction and controls the work of other circuit modules according to the control instruction.

Preferably, as shown in FIG. 9, the program download interface 16 includes a plug-in P14. The port 1 of the plug connector P14 is connected with a 5V power supply, and the port 4 is grounded. Port 9 of plug P14 is electrically connected to port 14 of plug P16, which in turn is electrically connected to port 62 of chip U2. Port 7 of plug P14 is electrically connected to port 16 of plug P16, which in turn is electrically connected to port 64 of chip U2.

The MCU module 12 is electrically connected to the program download interface 16, and is configured to download the control program through the program download interface 16, so that the control program is written into the MCU module 12, and the work of the atmosphere lamp is realized.

Preferably, as shown in fig. 7, the LED lamp set 14 is electrically connected to the MCU module 12 for displaying the working status of the lighting box. The LED lamp group 14 includes a first indicator lamp D1, a second indicator lamp D2, a third indicator lamp D3, a fourth indicator lamp D4, a fifth indicator lamp D5, a resistor R13, a resistor R14, a resistor R15, a resistor R16, and a resistor R17.

One end of the first indicator light D1 is electrically connected to the port 17 of the chip U2 of the MCU module 12, and the other end is grounded through a resistor R14.

One end of the second indicator light D2 is electrically connected with the port 18 of the chip U2 of the MCU module 12, and the other end is connected with the ground through a resistor R15.

One end of the third indicator light D3 is electrically connected to the port 19 of the chip U2 of the MUC module 12, and the other end is connected to ground through a resistor R16.

One end of the fourth indicator lamp D4 is electrically connected to the port 20 of the chip U2 of the MCU module 12, and the other end is connected to ground through a resistor R17.

One end of the fifth indicator light D5 is connected to a 5V power supply, and the other end is connected to ground through a resistor R13.

And the MCU module 12 sends high and low level signals to corresponding indicator lamps through ports, so that the LED lamps are controlled to be turned on and off.

The operating state of each indicator light is controlled by the MCU module 12 to indicate the operating state of the lighting box. For example, when all the indicator lights are on constantly, it indicates that the currently lighting box is in a standby state. Meanwhile, since the fifth indicator light D5 is electrically connected to the power module 11, the fifth indicator light is used to indicate the power on state of the lighting box.

Preferably, as shown in fig. 6, the LIN transceiver module 13 is electrically connected to the MCU module 12, and is configured to receive a LIN signal sent by the MCU module 12 and send the LIN signal to a corresponding atmosphere lamp, so as to control the atmosphere lamp.

The LIN transceiver module 13 includes a LIN transceiver U1, an anti-reverse diode D6, an anti-reverse diode D10, a filter capacitor C21, and a plug P13. Wherein the model of U1 is MC 33662.

The RXD port of the LIN transceiver U1 is electrically connected with the port 34 of the chip U2 through the port 18 of the plug P16, and the TXD port is electrically connected with the port 33 of the chip U2 through the port 17 of the plug P16, and is respectively used for receiving RX signals and TX signals transmitted by the MCU module 12, converting the RX signals and the TX signals into LIN signals, and outputting the LIN signals through the LIN port.

The EN port of the LIN transceiver is electrically connected to the power supply module 11 for inputting a voltage of 5V. The WAKE port and the GND port of LIN transceiver U1 are grounded.

The VSUP port of LIN transceiver U1 is connected to the 12V power supply through an anti-reverse diode D6 for accessing 12V voltage. The port LIN of the LIN transceiver U1 is grounded through a filter capacitor C12 and through an anti-reverse diode D10.

The port 1 of the plug connector P13 is connected with a 12V power supply, the

ports

2 and 3 are both connected with the LIN port of the LIN transceiver U1, and the port 4 is grounded. Plug-in part P13 is used to plug in an atmosphere lamp.

And the LIN transceiver U1 is used for converting the TX signal and the DX signal sent by the MCU module 12 into a LIN signal and transmitting the LIN signal to the atmosphere lamp through the plug connector P13 so as to control the atmosphere lamp.

Further, as shown in fig. 8, the lighting box includes an MCU reset module 17 electrically connected to the MCU module 12, and configured to reset the MCU module 12 and initialize the MCU module 12.

Preferably, the MCU reset module 17 includes a plug P1, a reset switch S1, a capacitor C1 and a resistor R1. The port 2 of the plug P1 is electrically connected to one end of the reset switch S1, and the port 1 is electrically connected to the other end of the reset switch S11.

The reset switch S1 is also grounded at one end and electrically connected to the port 63 of the chip U2 through the port 14 of the plug P16 at one end.

One end of the reset switch D1 is also connected to a 5V power supply through a resistor R1.

By pressing the corresponding key, the reset switch S1 is triggered, so that the MCU module 12 is reset.

Further, as shown in fig. 11, the lighting box includes a filtering module, and the filtering module is electrically connected to the power module and is configured to filter the power generated by the power module. The filtering module comprises a third filtering circuit consisting of a capacitor C13 and a capacitor C14, and a fourth filtering circuit consisting of a capacitor C15 and a capacitor C16, and is used for filtering the 5V voltage generated by the power module 11. The working principle of the filtering module is as follows: when the rectified voltage is higher than the capacitor voltage, the capacitor is charged; when the rectified low voltage is lower than the capacitor voltage, the capacitor discharges. Therefore, the output voltage is substantially stabilized during the charging and discharging processes.

The utility model discloses at first set up the procedure that luminance weakens gradually through the staff, write in the luminance grade sequence simultaneously. In this way, in the control, the luminance control display for a certain level can be realized by transmitting the luminance number.

Preferably, the present invention can also set the color switching program by the operator, and write into the MCU module 12 through the program download interface 16. In this way, the color of the color atmosphere lamp can be controlled by a preset number or the like at the time of control.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A lighting box is characterized by comprising a lighting box shell and a PCB board arranged in the lighting box shell; the PCB is provided with a control circuit; the control circuit comprises an MCU module, a power supply module, a switch assembly and an LIN transceiver module; the power supply module is used for converting 12V voltage into 5V voltage and providing power for the switch assembly, the MCU module and the LIN transceiver module; the switch assembly and the LIN transceiver module are respectively electrically connected with the MCU module;

2. The lighting box according to claim 1, wherein the control circuit includes an LED lamp group; the MCU module is electrically connected with the LED lamp bank and used for controlling the working state of the indicator lamps in the LED lamp bank so as to display the working state of the lighting box.

3. The lighting box according to claim 2, wherein the LED lamp set includes an LED lamp set including a first indicator lamp, a second indicator lamp, a third indicator lamp, a fourth indicator lamp, a fifth indicator lamp, a first resistor, a second resistor, a third resistor, a fourth resistor, and a fifth resistor;

4. A lighting box according to claim 1, wherein said keys are 10.

5. The lighting box according to claim 4, wherein the switch assembly includes 10 switches; the SW end of each switch is electrically connected with the power supply module, and the PB end of each switch is electrically connected with the MCU module; each switch is also grounded through a circuit formed by the first capacitor and the sixth resistor which are connected in parallel.

6. The lighting box according to claim 1, wherein the power supply module comprises a 12V power socket, a self-recovery fuse, a first zener diode, a first reverse-connection prevention diode D7, a first filter circuit, a voltage regulator tube, a second zener diode, and a second filter circuit;

7. The lighting box according to claim 1, wherein the MCU module includes a second chip, a first connector and a second connector; the second chip is electrically connected with other circuit modules of the control circuit through the first plug connector P15 or the second plug connector P16; the model of the second chip is S9KEAZN64 AMLH; the first plug connector and the second plug connector are plug connectors with 32 plug pins.

8. A lighting box as claimed in claim 1, wherein said LIN transceiver module includes a LIN transceiver, a second reverse-connection prevention diode, a third reverse-connection prevention diode, a filter capacitor and a third plug connector; wherein the model of the LIN transceiver is MC 33662;

the port 1 of the third plug connector is connected with a 12V power supply, the ports 2 and 3 are both connected with an LIN port of an LIN transceiver, and the port 4 is grounded; the third plug connector is used for connecting the atmosphere lamp;

9. A lighting box as recited in claim 1, wherein said control circuit comprises a program download interface, said MCU module being electrically connected to said program download interface for downloading control programs from an external device and writing them into said MCU module; the program downloading interface comprises a fourth plug connector; the port 1 of the fourth plug connector is connected with a 5V power supply, the port 4 is grounded, the port 9 is electrically connected with the port 62 of the first chip through the port 14 of the second plug connector, and the port 7 is electrically connected with the port 64 of the first chip through the port 16 of the second plug connector.

10. The illumination box according to claim 1, wherein the control circuit comprises an MCU reset module and a filter module; the MCU reset module is used for resetting the MCU module and comprises a fourth plug connector, a reset switch, a second capacitor and a seventh resistor; the port 2 of the fourth plug connector is electrically connected with one end of the reset switch, and the port 1 of the fourth plug connector is electrically connected with the other end of the reset switch; one end of the reset switch is grounded, and the other end of the reset switch is electrically connected with the port 63 of the first chip through the port 14 of the second plug connector; one end of the reset switch is connected with a 5V power supply through a seventh resistor; the button district is equipped with the button that resets, the button that resets with reset switch is connected.