CN210327774U - LoRa-based camera wireless remote control system - Google Patents
LoRa-based camera wireless remote control system Download PDFInfo
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- CN210327774U CN210327774U CN201921633041.9U CN201921633041U CN210327774U CN 210327774 U CN210327774 U CN 210327774U CN 201921633041 U CN201921633041 U CN 201921633041U CN 210327774 U CN210327774 U CN 210327774U
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Abstract
The utility model discloses a camera wireless remote control system based on loRa, include: loRa module, MCU host system, RS422 interface module, pilot lamp module, dial switch module, LCD display module, storage module and power module, loRa module, RS422 interface module, pilot lamp module, dial switch module, LCD display module, storage module all with MCU host system connects. The utility model discloses a camera wireless remote control system based on loRa utilizes the loRa technique to communicate, makes camera remote control's communication distance farther, and the interference killing feature is high, can solve the interference problem that appears in the data transmission process well; the LoRa communication module power consumption is extremely low, has prolonged the live time of battery, has reduced the number of times that the battery was changed to the camera.
Description
Technical Field
The utility model relates to a camera wireless remote control system based on loRa belongs to mobile communication technical field.
Background
The EFP is a short for english Electronic Field Production, that is, an Electronic on-site Production system, which mainly uses a plurality of devices such as a shooting device, a switching station, an intercom, and a video recorder to produce programs on site. Compared with a relay truck, the EFP has the advantages of flexible and convenient operation, simple and visual adjustment, convenient and quick transportation and the like, and can be deployed in places where the field environment can not meet the entrance requirement of the relay truck. Meanwhile, equipment can be selected according to program requirements, so that the working efficiency is improved, the cost is reduced, and the method is a very practical program on-site making mode.
In a traditional wired EFP system, each camera is provided with three cables, namely a video cable, a communication cable and a tally cable, so that the portability, the flexibility and the maneuverability of the EFP system are greatly reduced, and a photographer is caught by the cables everywhere during operation. In the EFP system, the general camera position is all fixed, and it is big beneficial to show class televised shooting to increase the mobile machine position, and the mobile machine position is not restricted by the tripod, can extend the visual angle to the place that the director wants to reach. Successful EFP production requires the cooperation of a director and a cameraman, the director requiring some adjustments to the camera, such as aperture, focus, zoom, etc., from time to time based on the pictures taken by the various camera stations, and thus control of the camera by the director is necessary. The mobile station needs to convert the video and audio signals, the call signal, the prompt signal and the control signal into wireless. At present, video and audio, conversation and prompt signal transmission are mature products, but the wireless control technology of a camera is not greatly broken through, and the problems of poor anti-interference performance, short transmission distance and the like mainly exist.
The loRa is a remote Internet of things wireless transmission technology based on a spread spectrum technology, is one of the most representative LPWAN technologies, has the characteristics of long transmission distance, low transmission power consumption, strong anti-interference performance and the like, and is gradually popularized and applied in the fields of environmental monitoring, industrial control and the like. The LoRa technology changes the prior compromise mode of transmission distance and power consumption, and provides possibility for realizing a long-distance, long-battery-life and large-capacity system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the above-mentioned not enough that exists among the prior art, provide a camera wireless remote control system based on loRa, have that communication distance is far away, interference killing feature is high, low power dissipation and environment's adaptability characteristics such as strong.
In order to realize the purpose of the utility model, the technical proposal is that:
a camera wireless remote control system based on LoRa includes: the device comprises a LoRa module, an MCU master control module, an RS422 interface module, an indicator light module, a dial switch module, an LCD display module, a storage module and a power supply module; the LoRa module, the RS422 interface module, the indicator light module, the dial switch module, the LCD display module and the storage module are all connected with the MCU main control module.
Further, the LoRa module is a Semtech SX1278 transceiver.
Further, the MCU master control module is an embedded ARM Cortex-M3 kernel chip.
Further, the RS422 interface module adopts a MAX1490 chip.
Furthermore, the LCD display module adopts an OLED display screen of UG-2864 HSWE.
The utility model discloses a camera wireless remote control system based on loRa has following beneficial effect:
(1) the utility model discloses a camera wireless remote control system based on loRa utilizes the loRa technique to communicate, makes camera remote control's communication distance farther, and the interference killing feature is high, can solve the interference problem that appears among the data transmission process well.
(2) The utility model discloses a camera wireless remote control system based on loRa, based on loRa technical characterstic, the communication module consumption is extremely low, has prolonged the live time of battery, has reduced the number of times that the battery was changed to the camera.
(3) For traditional wired remote control's mode control camera, the utility model discloses a camera wireless remote control system based on loRa has improved the adaptability of environment, has reduced the time and the cost of artifical wiring.
Drawings
Fig. 1 is the utility model discloses a camera wireless remote control system architecture diagram based on loRa.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is the utility model discloses a camera wireless remote control system architecture diagram based on loRa. As shown in fig. 1, the utility model discloses camera wireless remote control system based on loRa includes: LoRa module, MCU host system module, RS422 interface module, pilot lamp module, dial switch module, LCD display module, storage module and power module. Wherein, loRa module, RS422 interface module, pilot lamp module, dial switch module, LCD display module, storage module all are connected with MCU host system.
The LoRa module is used for the camera remote control panel to carry out wireless data communication with the camera, and the LoRa module carries out the sending and receiving of communication data through the LoRa antenna. Preferably, the LoRa module is a Semtech SX1278 transceiver based on LoRa modulation techniques. The maximum sensitivity of the Semtech SX1278 transceiver can reach-148 dBm, the air interface transmission rate of 0.2 kbps to 37.5 kbps is supported, the system has high anti-interference capability due to high sensitivity and high signal-to-noise ratio, and the problem of interference in the data transmission process can be well solved.
The MCU main control module is used for controlling the data communication of the camera remote control panel connected through the RS422 interface and simultaneously controlling the receiving and sending of LoRa module data. Preferably, the MCU master control module adopts an STM32F103 chip with an embedded ARM Cortex-M3 kernel, the chip has the characteristics of high performance, low cost, low power consumption and the like, and meanwhile, the MCU master control module is provided with an elegant peripheral, and the clock frequency of the chip can reach 72 MHz.
And the RS422 interface module is used for carrying out level conversion on the serial interface of the MCU main control module. Specifically, the RS422 interface module adopts a MAX1490 chip which is a complete electrical isolation type RS-485/RS-422 data communication interface scheme, and adopts a mixed microcircuit structure, the slew rate limiting driver can reduce electromagnetic interference and reflection caused by poor matching of cables to the maximum extent, data transmission at the highest 2.5Mbps rate is allowed, meanwhile, the slew rate limiting driver has +/-15 kV ESD protection, and the thermal shutdown circuit can set the output of the driver to be in a high resistance state to prevent the device from being damaged when power consumption is overlarge.
The indicating lamp module is used for indicating the power supply and indicating the connection state of the camera remote control panel and the camera.
The LCD display module is used for displaying the signal intensity, the frequency, the electric quantity condition and the like of the communication of the LoRa module. Specifically, the LCD display module adopts an UG-2864HSWE OLED display screen, the resolution ratio of the display screen is 128 multiplied by 64, the screen is 0.96 inch, the display screen can emit light, the brightness and the contrast ratio are high, the power consumption is low, and the display effect and the portability are good.
The dial switch module is used for setting the communication frequency of the LoRa module and the pairing code of the camera transmitting terminal and the base station terminal.
The storage module is used for storing various parameters of the current camera remote control setting and various parameters of the LoRa module.
The power module is used for providing power for the whole LoRa camera wireless remote control system.
The utility model discloses a camera wireless remote control system based on loRa utilizes the loRa technique to communicate, makes camera remote control's communication distance farther, and the interference killing feature is high, can solve the interference problem that appears in the data transmission process well; the LoRa communication module power consumption is extremely low, has prolonged the live time of battery, has reduced the number of times that the battery was changed to the camera.
For traditional wired remote control's mode control camera, the utility model discloses a camera wireless remote control system based on loRa has improved the adaptability of environment, has reduced the time and the cost of artifical wiring.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A camera wireless remote control system based on LoRa, characterized by includes: the device comprises a LoRa module, an MCU master control module, an RS422 interface module, an indicator light module, a dial switch module, an LCD display module, a storage module and a power supply module; the LoRa module, the RS422 interface module, the indicator light module, the dial switch module, the LCD display module and the storage module are all connected with the MCU main control module.
2. The camera wireless remote control system based on LoRa of claim 1, wherein the LoRa module is a Semtech SX1278 transceiver.
3. The LoRa-based camera wireless remote control system according to claim 1, wherein the MCU master control module is an embedded ARM Cortex-M3 kernel chip.
4. The LoRa-based camera wireless remote control system according to claim 1, wherein the RS422 interface module employs a MAX1490 chip.
5. The LoRa-based camera wireless remote control system according to claim 1, wherein the LCD display module employs an UG-2864HSWE OLED display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633041.9U CN210327774U (en) | 2019-09-28 | 2019-09-28 | LoRa-based camera wireless remote control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633041.9U CN210327774U (en) | 2019-09-28 | 2019-09-28 | LoRa-based camera wireless remote control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210327774U true CN210327774U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921633041.9U Active CN210327774U (en) | 2019-09-28 | 2019-09-28 | LoRa-based camera wireless remote control system |
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| Country | Link |
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| CN (1) | CN210327774U (en) |
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2019
- 2019-09-28 CN CN201921633041.9U patent/CN210327774U/en active Active
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Effective date of registration: 20221222 Address after: 518031 well B and well e plant on the second floor of libaoyi bioengineering building, No. 25, Shihua Road, Fubao community, Fubao street, Futian District, Shenzhen, Guangdong Province Patentee after: Mifu (Shenzhen) Network Technology Co.,Ltd. Address before: 530007 1st floor, building C, No.8, Zhongguancun innovation demonstration base, No.23, Chuangxin Road, high tech Zone, Nanning, Guangxi Zhuang Autonomous Region Patentee before: MIFPAY (GUANGXI) NETWORK TECHNOLOGY CO.,LTD. |
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