CN214256698U

CN214256698U - Intelligent RGBW lamp accuse circuit and device after bimodulus bluetooth vehicle-mounted

Info

Publication number: CN214256698U
Application number: CN202023229764.8U
Authority: CN
Inventors: 张锦龙
Original assignee: Shenzhen Yilian Yitong Technology Co ltd
Current assignee: Shenzhen Yilian Yitong Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-21
Anticipated expiration: 2030-12-28

Abstract

The utility model provides an intelligent RGBW lamp accuse circuit and device after bimodulus bluetooth vehicle-mounted, the circuit includes bluetooth module and control mainboard, bluetooth module includes first bluetooth chip, first bluetooth chip passes through SPP agreement or BLE agreement and is connected with mobile terminal communication, the input of control mainboard is connected to the output of first bluetooth chip, the output of control mainboard is connected with the RGBW lamp; the first Bluetooth chip is used for receiving an instruction sent by the mobile terminal through an SPP protocol or a BLE protocol and sending the received instruction to the control mainboard; and the control main board is used for receiving the instruction and adjusting the display parameters of the RGBW lamp according to the instruction. Through adopting the first bluetooth chip that has BLE agreement and SPP agreement for can compatible IOS system and android system's mobile terminal simultaneously, widen the range of application of on-vehicle RGBW lamp, satisfy more users' user demand.

Description

Intelligent RGBW lamp accuse circuit and device after bimodulus bluetooth vehicle-mounted

Technical Field

The utility model relates to a car light control field especially relates to an intelligent RGBW lamp accuse circuit and device after bimodulus bluetooth vehicle-mounted.

Background

The control chip of current on-vehicle RGBW lamp adopts the mode of bluetooth more to be connected with mobile terminal, however because the bluetooth agreement of many only support BLE of bluetooth chip that adopt, lead to when connecting the mobile terminal of other bluetooth agreements, like the mobile terminal of operation android system, appear incompatible problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an intelligent RGBW lamp accuse circuit and device after bimodulus bluetooth vehicle-mounted, aims at solving among the prior art vehicle-mounted RGBW lamp when connecting the mobile terminal of other bluetooth agreements, the incompatible problem appears.

In order to achieve the above object, the utility model provides a dual-mode bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit, the circuit includes bluetooth module and control mainboard, bluetooth module includes first bluetooth chip, first bluetooth chip passes through SPP agreement or BLE agreement and mobile terminal communication connection, the output of first bluetooth chip is connected the input of control mainboard, the output of control mainboard is connected with the RGBW lamp;

the first Bluetooth chip is used for receiving the instruction sent by the mobile terminal through an SPP protocol or a BLE protocol and sending the received instruction to the control main board;

and the control main board is used for receiving the instruction and adjusting the display parameters of the RGBW lamp according to the instruction.

Optionally, the bluetooth module further includes an antenna unit, a crystal oscillator, a reset unit, a first capacitor, and a second capacitor;

the first end of the crystal oscillator is connected with the crystal oscillator input end of the first Bluetooth chip, and the first end of the crystal oscillator is grounded through the first capacitor; the second end of the crystal oscillator is connected with the crystal oscillator output end of the first Bluetooth chip, and the second end of the crystal oscillator is grounded through the second capacitor; the antenna unit is in communication connection with the mobile terminal, and the output end of the antenna unit is connected with the radio frequency receiving end of the first Bluetooth chip; the output end of the reset unit is connected with the reset end of the first Bluetooth chip.

Optionally, the reset unit includes a first resistor and a third capacitor; the first end of the first resistor is connected with the power supply, the second end of the first resistor is connected with the reset end of the first Bluetooth chip, and the second end of the first resistor is grounded through the third capacitor.

Optionally, the antenna unit includes a radio frequency antenna, a fourth capacitor, a fifth capacitor, a first inductor, and a second inductor;

the radio frequency antenna is connected with a radio frequency receiving end of the first Bluetooth chip through the first inductor and the fourth capacitor in sequence; the radio frequency antenna is grounded through the second inductor, and the radio frequency antenna is grounded through the fifth capacitor.

Optionally, the first bluetooth chip includes a plurality of light signal output ends, the control main board includes a plurality of light signal receiving ends, and each light signal output end of the first bluetooth chip is correspondingly connected to each light signal receiving end of the control main board;

the first Bluetooth chip comprises a plurality of analog-to-digital conversion output ends, the control mainboard comprises a plurality of key signal receiving ends, and the analog-to-digital conversion output ends of the first Bluetooth chip are connected with the key signal receiving ends of the control mainboard in a one-to-one correspondence manner.

Optionally, the circuit further includes a storage module and a plurality of second bluetooth chips, and the storage module is connected to the first bluetooth chip and the plurality of second bluetooth chips respectively;

the storage module is used for receiving and storing the instruction sent by the first Bluetooth chip and sending the instruction to the second Bluetooth chip when receiving the acquisition request of the second Bluetooth chip.

Optionally, the memory module includes a memory chip, a second resistor and a third resistor;

the chip selection end of the memory chip is connected with the chip selection output end of the first Bluetooth chip, and the chip selection end of the memory chip is also connected with a power supply through the second resistor; the output end of the memory chip is connected with the master-in slave-out end of the first Bluetooth chip, and the input end of the memory chip is connected with the master-out slave-in end of the first Bluetooth chip; the clock end of the memory chip is connected with the clock end of the first Bluetooth chip; the pause pin of the memory chip is connected with the write protection pin of the memory chip, and the pause pin of the memory chip is also connected with a power supply through the third resistor.

In addition, in order to realize the above-mentioned purpose, the utility model discloses still provide an on-vehicle RGBW lamp device, the device includes RGBW lamp, bimodulus bluetooth vehicle-mounted back-loading intelligence RGBW lamp control circuit and casing, RGBW lamp and bimodulus bluetooth vehicle-mounted back-loading intelligence RGBW lamp control circuit set up in the casing, the control end of RGBW lamp is connected the output of bimodulus bluetooth vehicle-mounted back-loading intelligence RGBW lamp control circuit; the dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit is configured as the dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit.

Optionally, the bluetooth module is in a sheet shape, and the bluetooth module is vertically welded on the control mainboard.

Optionally, the antenna is an external antenna.

The utility model provides a bimodulus bluetooth vehicle-mounted after-loading intelligence RGBW lamp accuse circuit and device, the circuit includes bluetooth module and control mainboard, bluetooth module includes first bluetooth chip, first bluetooth chip passes through SPP agreement or BLE agreement and mobile terminal communication connection, the output of first bluetooth chip is connected the input of control mainboard, the output of control mainboard is connected with the RGBW lamp; the first Bluetooth chip is used for receiving the instruction sent by the mobile terminal through an SPP protocol or a BLE protocol and sending the received instruction to the control main board; and the control main board is used for receiving the instruction and adjusting the display parameters of the RGBW lamp according to the instruction. Through adopting the first bluetooth chip that has BLE agreement and SPP agreement for can compatible IOS system and android system's mobile terminal simultaneously, widen the range of application of on-vehicle RGBW lamp, satisfy more users' user demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a functional module diagram of an embodiment of the dual-mode bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit of the present invention;

fig. 2 is the circuit structure diagram of the dual-mode bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit applied in the embodiment of fig. 1.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Bluetooth module	R1～R3	First to third resistors
110	Antenna unit	C1～C5	First to fifth capacitors
				120	Reset unit	L1～L2	First to second inductors
200	Control mainboard	U1	First Bluetooth chip
				300	Memory module	U2	Memory chip
Y1	Crystal oscillator

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an intelligence RGBW lamp accuse circuit after bimodulus bluetooth vehicle-mounted is applied to on-vehicle RGBW lamp device, please refer to figure 1, and figure 1 is the utility model discloses intelligence RGBW lamp accuse circuit embodiment's functional module diagram after bimodulus bluetooth vehicle-mounted. In this embodiment, the circuit includes a bluetooth module 100 and a control motherboard 200, the bluetooth module 100 includes a first bluetooth chip U1, the first bluetooth chip U1 is connected to the mobile terminal through an SPP protocol or a BLE protocol, an output terminal of the first bluetooth chip U1 is connected to an input terminal of the control motherboard 200, and an output terminal of the control motherboard 200 is connected to an RGBW lamp;

the first bluetooth chip U1 is configured to receive an instruction sent by the mobile terminal through an SPP protocol or a BLE protocol, and send the received instruction to the control motherboard 200;

and the control main board 200 is configured to receive the instruction, and adjust the display parameters of the RGBW lamp according to the instruction.

Most of the existing mobile terminals are android systems or IOS systems, for the android systems, the android system version before the 5.0 version of android only supports the SPP (Serial Port Profile, Serial Port configuration) protocol, and the IOS system adopts the Bluetooth Low Energy (BLE Low power consumption) protocol; therefore, the first bluetooth chip U1 in this embodiment adopts a bluetooth chip that supports the SPP protocol and the BLE protocol at the same time, so that it can be connected to a mobile terminal that operates an android system or an IOS system, and the compatibility problem does not occur, and the mobile terminal can cover most mobile terminal users. The model of the first bluetooth chip U1 adopted in this embodiment is BCM 20707. A Cortex M3 core and a 48MHZ main frequency are arranged in a first Bluetooth chip U1; simultaneously, the OTA is supported to be upgraded in the air; a high-performance wireless transceiving system is realized by adopting a self-adaptive frequency hopping technology; the current is less than 20mA in the working mode, and low power consumption is realized. The bluetooth module 100 employs an ROHS process.

After the first bluetooth chip U1 is connected with the mobile terminal, the user can install corresponding application program in the mobile terminal, and send an instruction to the first bluetooth chip U1 through the application program, when the first bluetooth chip U1 receives the instruction, the instruction is sent to the control mainboard 200, and after the control mainboard 200 receives the instruction, the instruction is analyzed, and the display parameter of the RGBW lamp is adjusted according to the instruction. The color matching etc. in this embodiment is an RGBW lamp.

The control main board 200 can also send the running data of the RGBW lamp to the mobile terminal through the first bluetooth chip U1, so that the user can know the running state of the RGBW lamp through the mobile terminal.

This embodiment is through adopting the first bluetooth chip U1 that has BLE agreement and SPP agreement for the mobile terminal of compatible IOS system and android system has widened the range of application of on-vehicle RGBW lamp simultaneously, satisfies more users' user demand.

Further, referring to fig. 2, the bluetooth module 100 further includes an antenna unit 110, a crystal oscillator Y1, a reset unit 120, a first capacitor C1, and a second capacitor C2;

the first end of the crystal oscillator Y1 is connected with the crystal oscillator input end of the first Bluetooth chip U1, and the first end of the crystal oscillator Y1 is also grounded through the first capacitor C1; the second end of the crystal oscillator Y1 is connected with the crystal oscillator output end of the first Bluetooth chip U1, and the second end of the crystal oscillator Y1 is also grounded through the second capacitor C2; the antenna unit 110 is in communication connection with a mobile terminal, and an output end of the antenna unit 110 is connected with a radio frequency receiving end of the first bluetooth chip U1; the output end of the reset unit 120 is connected to the reset end of the first bluetooth chip U1.

The antenna unit 110 is configured to receive a signal sent by the mobile terminal and send the signal to the mobile terminal; the crystal oscillator Y1 is used for oscillation to provide a clock signal; the reset unit 120 is configured to perform a reset operation on the bluetooth chip; the first capacitor C1 and the second capacitor C2 are used for filtering.

Further, the reset unit 120 includes a first resistor R1 and a third capacitor C3; the first end of the first resistor R1 is connected with a power supply, the second end of the first resistor R1 is connected with the reset end of the first Bluetooth chip U1, and the second end of the first resistor R1 is also grounded through the third capacitor C3.

The reset end low level of first bluetooth chip U1 is effective, and in normal operating, the high level is received to the reset end of first bluetooth chip U1, and when the bluetooth chip lost power and resumes or restart, because the unable sudden change of voltage at third electric capacity C3 both ends, consequently in the period that loses power and resumes, the low level is received to the reset end of first bluetooth chip U1, and first bluetooth chip U1 resets this moment.

Further, the antenna unit 110 includes a radio frequency antenna, a fourth capacitor C4, a fifth capacitor C5, a first inductor L1, and a second inductor L2;

the radio frequency antenna is connected with a radio frequency receiving end of the first Bluetooth chip U1 through the first inductor L1 and the fourth capacitor C4 in sequence; the radio frequency antenna is also grounded through the second inductor L2, and the radio frequency antenna is also grounded through the fifth capacitor C5.

The fourth capacitor C4 is used for removing DC gain, and the first inductor L1, the second inductor L2 and the fifth capacitor C5 are used for filtering.

Further, the first bluetooth chip U1 includes a plurality of light signal output ends, the control main board 200 includes a plurality of light signal receiving ends, and each light signal output end of the first bluetooth chip U1 is correspondingly connected to each light signal receiving end of the control main board 200;

the first bluetooth chip U1 includes a plurality of analog-to-digital conversion output ends, the control mainboard 200 includes a plurality of key signal receiving ends, the analog-to-digital conversion output end of the first bluetooth chip U1 with the key signal receiving end one-to-one connection of control mainboard 200.

In this embodiment, the first bluetooth chip U1 includes 4 light signal output ends, and the control main board 200 includes 4 light signal receiving ends, which respectively correspond to R, G, B, W signals; first bluetooth chip U1 includes 3 analog-to-digital conversion output ends, control mainboard 200 includes 3 key signal receiving terminals, corresponds 3 multi-functional buttons, and accessible ADC realizes simulating microphone sound collection, realizes the sound control RGBW lamp.

Further, the circuit further includes a memory module 300 and a plurality of second bluetooth chips (not shown), wherein the memory module 300 is connected to the first bluetooth chip U1 and the plurality of second bluetooth chips respectively;

the memory module 300 comprises a memory chip U2, a second resistor R2 and a third resistor R3;

the chip selection end of the memory chip U2 is connected with the chip selection output end of the first Bluetooth chip U1, and the chip selection end of the memory chip U2 is also connected with a power supply through the second resistor R2; the output end of the memory chip U2 is connected with the master-in slave-out end of the first Bluetooth chip U1, and the input end of the memory chip U2 is connected with the master-out slave-in end of the first Bluetooth chip U1; the clock end of the memory chip U2 is connected with the clock end of the first Bluetooth chip U1; the pause pin of the memory chip U2 is connected with the write protection pin of the memory chip U2, and the pause pin of the memory chip U2 is also connected with a power supply through the third resistor R3.

The storage chip U2 is used for receiving and storing the instruction sent by the first Bluetooth chip U1, and sending the instruction to the second Bluetooth chip when receiving the acquisition request of the second Bluetooth chip.

The memory chip U2 is an SPI (Serial Peripheral Interface) FLASH chip; SPI is a high-speed, full-duplex, synchronous communication bus; the method comprises the steps that a master multi-slave Bluetooth chip system can be established through an SPI FLASH chip, the master Bluetooth chip, namely a first Bluetooth chip U1, is connected with a mobile terminal, receives an instruction of the mobile terminal and stores the instruction into an SPI FLASH module, and a slave Bluetooth chip, namely a second Bluetooth chip, directly obtains the instruction stored by the master Bluetooth chip through the SPI FLASH chip; the RGBW lamp bank synchronization that many bluetooth chips correspond can be realized under the off-line mode, through the mode that directly links, avoids falling the time delay between the RGBW lamp and the asynchronous scheduling problem of state.

It should be noted that, the bluetooth chip may adopt the existing connection modes such as UART bus connection, power connection, filtering connection, etc., and may select the corresponding connection mode for configuration according to actual needs, which is not described herein.

The utility model discloses still protect a vehicle-mounted RGBW lamp device, this vehicle-mounted RGBW lamp device include RGBW lamp, the on-vehicle back-loading of bimodulus bluetooth intelligence RGBW lamp control circuit and casing, RGBW lamp and the on-vehicle back-loading of bimodulus bluetooth intelligence RGBW lamp control circuit of bimodulus bluetooth set up in the casing, the control end of RGBW lamp is connected the on-vehicle back-loading of bimodulus bluetooth intelligence RGBW lamp control circuit's output; the structure of the dual-mode bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit can refer to the above embodiments, and is not described herein again. Preferably, the vehicle-mounted RGBW lamp device of the embodiment adopts the technical scheme of the dual-mode bluetooth vehicle-mounted rear-loading intelligent RGBW lamp control circuit, so that the vehicle-mounted RGBW lamp device has all the beneficial effects of the dual-mode bluetooth vehicle-mounted rear-loading intelligent RGBW lamp control circuit.

Further, the bluetooth module is the slice, bluetooth module vertical welding is in on the control mainboard.

Adopt the slice design with bluetooth module, vertical welding is on the control mainboard simultaneously for do benefit to bluetooth module's heat dissipation, keep bluetooth module job stabilization nature.

Further, the antenna is an external antenna.

In this embodiment, the frequency of the external antenna is 2.4 GHZ; through adopting external antenna, let the antenna keep away from aluminium base board to avoid the signal shielding that aluminium base board caused, can place in a flexible way according to product shell structure simultaneously, and do not influence the signal strength and the communication distance of bluetooth.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. The term "comprising", without further limitation, means that the element so defined is not excluded from the group of processes, methods, articles, or systems that include the element. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit is characterized by comprising a Bluetooth module and a control mainboard, wherein the Bluetooth module comprises a first Bluetooth chip, the first Bluetooth chip is in communication connection with a mobile terminal through an SPP protocol or a BLE protocol, the output end of the first Bluetooth chip is connected with the input end of the control mainboard, and the output end of the control mainboard is connected with an RGBW lamp;

2. The dual-mode bluetooth vehicle-mounted rear-loading intelligent RGBW lamp control circuit of claim 1, wherein the bluetooth module further comprises an antenna unit, a crystal oscillator, a reset unit, a first capacitor and a second capacitor;

3. The dual-mode bluetooth vehicle-mounted rear-loading intelligent RGBW lamp control circuit of claim 2, wherein the reset unit comprises a first resistor and a third capacitor; the first end of the first resistor is connected with the power supply, the second end of the first resistor is connected with the reset end of the first Bluetooth chip, and the second end of the first resistor is grounded through the third capacitor.

4. The dual-mode bluetooth vehicle-mounted rear-loading intelligent RGBW lamp control circuit of claim 2, wherein the antenna unit comprises a radio frequency antenna, a fourth capacitor, a fifth capacitor, a first inductor and a second inductor;

5. The dual-mode bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit of claim 1, wherein the first bluetooth chip comprises a plurality of light signal output terminals, the control motherboard comprises a plurality of light signal receiving terminals, and each light signal output terminal of the first bluetooth chip is correspondingly connected to each light signal receiving terminal of the control motherboard;

6. The dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit as claimed in any of claims 1-5, wherein the circuit further comprises a storage module and a plurality of second Bluetooth chips, the storage module is respectively connected with the first Bluetooth chip and the plurality of second Bluetooth chips;

7. The dual-mode Bluetooth vehicle-mounted rear-loading intelligent RGBW lamp control circuit of claim 6, wherein the memory module comprises a memory chip, a second resistor and a third resistor;

8. The vehicle-mounted RGBW lamp device is characterized by comprising an RGBW lamp, a dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit and a shell, wherein the RGBW lamp and the dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit are arranged in the shell, and a control end of the RGBW lamp is connected with an output end of the dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit; the dual-mode Bluetooth vehicle-mounted rear-mounted intelligent RGBW lamp control circuit is configured as the dual-mode Bluetooth vehicle-mounted intelligent RGBW lamp control circuit as claimed in any one of claims 1-7.

9. The vehicle-mounted RGBW lamp apparatus of claim 8, wherein said Bluetooth module is sheet-shaped, and said Bluetooth module is vertically welded on said control motherboard.

10. The vehicle RGBW lamp apparatus as claimed in claim 9, wherein the bluetooth module further comprises an antenna unit, and the antenna is an external antenna.