CN213990833U

CN213990833U - Digital image processing device adopting OFDM technology

Info

Publication number: CN213990833U
Application number: CN202023171045.5U
Authority: CN
Inventors: 严敏聪; 李敬敏; 殷俊
Original assignee: Shenzhen Weiguang Ruizhi Technology Co ltd
Current assignee: Shenzhen Weiguang Ruizhi Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-17
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses an adopt digital image processing apparatus of OFDM technique relates to digital image processing apparatus technical field, including the receiver, receiver surface lower extreme fixed mounting has power controlling means, and receiver upper end fixed mounting has receiving antenna. The utility model discloses an uplink and downlink adopt MIMO multi-antenna technique and OFDM modulation mode, effectively improve the stability of system data bandwidth and complex environment, the dynamic property of improvement system, each channel interference state of downlink real-time supervision simultaneously, the optimum channel work of dynamic selection, solve the interference problem that the multipath problem of aerial to ground communication brought the sign bit, at the built-in 1500mAh large capacity battery of ground end, can adopt the power to directly fill and multiple charge mode such as the precious charging of cell-phone charging when battery charging simultaneously, solve the compatible problem that the battery charges, increase built-in OSD functional module, need not external OSD, can realize the information stack function.

Description

Digital image processing device adopting OFDM technology

Technical Field

The utility model relates to a digital image processing device relates to digital image processing device technical field, concretely relates to adopt digital image processing device of OFDM technique.

Background

With the increasing development of wireless technology, the application of wireless transmission technology is more and more accepted by various industries, wireless image transmission is gradually seen by users as a special use mode, and the characteristics of convenient installation, strong flexibility, high cost performance and the like enable monitoring systems of more industries to adopt wireless transmission modes to establish connection between monitored points and monitoring centers. The following problems exist in the prior art:

1. the unmanned aerial vehicle transmission is characterized by large data volume and low delay requirement, particularly, an object is accurately and quickly transmitted from one place to another place, and is required to be anti-interference and key-grabbing, while the existing unmanned aerial vehicle technology adopts a mode with poor anti-interference capability, so that the multipath problem of air-to-ground communication causes transmission jamming interference;

2. the battery capacity that carries among the current unmanned aerial vehicle receiver is less, and is not good with the compatibility of receiver, and the charging mode is single, is unfavorable for long-time the use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a digital image processing device adopting OFDM technology, one of which aims to have anti-interference capability and solve the problem that the multipath problem of the aerial to ground communication brings the interference of sign bit; the other purpose is to solve the problems of battery charging and compatibility, so as to achieve the effects of various battery charging modes and larger capacity.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a digital image processing device adopting OFDM technology comprises a receiver, wherein a power supply control device is fixedly arranged at the lower end of the surface of the receiver, and a receiving antenna is fixedly arranged at the upper end of the receiver;

the receiver right side surface is provided with the HDMI output port, receiver left side surface upper end is provided with serial ports communication port, serial ports communication port below is provided with the AirUSB port, AirUSB port below is provided with the PWM output port.

The utility model discloses technical scheme's further improvement lies in: the receiver is characterized in that a pairing indicator lamp is arranged on the left side surface of the receiver and above the serial port communication port, an external device is arranged above the pairing indicator lamp, and a heat dissipation device is arranged in the middle of the front surface of the receiver.

The utility model discloses technical scheme's further improvement lies in: the power supply control device comprises a switch, the switch is fixedly installed at the lower right corner of the front surface of the receiver, the bottom end of the receiver is fixedly installed on the power supply indicator lamp, a power supply charging port is formed in the lower end of the left side face of the receiver, and the power supply charging port is connected to a battery inside the receiver.

The utility model discloses technical scheme's further improvement lies in: the receiver is connected with a PC end through a serial port communication port, the receiver is connected with an unmanned aerial vehicle control end through a PWM output port, and the receiver is connected with an image display through an HDMI output port.

The utility model discloses technical scheme's further improvement lies in: the receiver comprises an OSD functional module, the lower end of the receiver comprises a battery module, and the battery module is connected with an external power supply module through a power supply charging port.

The utility model discloses technical scheme's further improvement lies in: the receiving antenna is in wireless connection with a transmitting end, the transmitting end is connected with a sky end through an uplink, the transmitting end is connected with an MIMO antenna through a downlink, the MIMO antenna is connected with an OFDM modulation module through a downlink, the OFDM modulation module is connected with a monitoring module through a downlink, the monitoring module is connected with a receiving end through a downlink, the receiving end is connected with an image processor through a downlink, and the monitoring module does not contain an uplink.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides an adopt digital image processing apparatus of OFDM technique, the utility model discloses uplink and downlink adopt MIMO multiaerial technique and OFDM modulation mode, cooperate advanced algorithm, effectively improve system data bandwidth and complex environment's stability, improve the dynamic behavior of system, each channel interference state of downlink real-time supervision simultaneously, the optimum channel work of dynamic selection (24 transmission channel at most), simultaneously with ground can support and to reach 24 equipment simultaneous workings, solve the interference problem that the multipath problem of aerial to ground communication brought the sign bit.

2. The utility model provides an adopt digital image processing apparatus of OFDM technique, this utility model embeds 1500mAh large capacity battery in the ground end, can make equipment continuous operation two hours, can adopt the power directly to fill and cell-phone to charge multiple charge mode such as precious charging simultaneously when battery charging, solves battery charging's compatibility problem.

3. The utility model provides an adopt digital image processing apparatus of OFDM technique, this utility model increases built-in OSD functional module, solves OSD functional problem for need not external OSD when cooperation pix apm pixw uses, can realize information stack function, and solve OSD and flight controller cooperation problem of using through PWM output port, realize the built-in data transmission of unlimited cooperation pix apm pixw APP.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of the overall operation module of the present invention;

fig. 4 is a schematic diagram of a receiver connection module according to the present invention.

In the figure: 1. a receiver; 11. a heat sink; 12. a placing device; 13. an HDMI output port; 14. a pairing indicator light; 15. a serial communication port; 16. an AirUSB port; 17. a PWM output port;

2. a power supply control device; 21. a switch; 22. a power charging port; 23. a power indicator light;

3. and a receiving antenna.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides an adopt digital image processing device of OFDM technique, including receiver 1, receiver 1 surface lower extreme fixed mounting has power control device 2, and receiver 1 upper end fixed mounting has receiving antenna 3.

In the embodiment, the receiver 1 is used for external equipment and signal processing, the power control device 2 is used for charging and energy supply of the whole device, and the receiving antenna 3 is used for the receiver 1 to receive and transmit wireless signals.

As shown in fig. 1-4, in this embodiment, preferably, the right side surface of the receiver 1 is provided with an HDMI output port 13, the upper end of the left side surface of the receiver 1 is provided with a serial communication port 15, the lower side of the serial communication port 15 is provided with an AirUSB port 16, the lower side of the AirUSB port 16 is provided with a PWM output port 17, the left side surface of the receiver 1 and above the serial communication port 15 is provided with a mating indicator 14, the upper side of the mating indicator 14 is provided with an external playing device 12, the middle position of the front surface of the receiver 1 is provided with a heat dissipating device 11, the HDMI output port 13 is responsible for the connection between the receiver 1 and an external picture display device, the serial communication port 15 is responsible for the direct communication between the receiver 1 and a computer, the AirUSB port 16 is responsible for the connection between a transmitter and a camera, the PWM output port 17 is responsible for the connection between a pan-tilt supporting signal control or other devices supporting PWM signal control, the pairing indicator lamp 14 is used for indicating successful pairing.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the receiving antenna 3 is wirelessly connected with a transmitting terminal, the transmitting terminal is connected with a sky terminal through an uplink, the transmitting terminal is connected with a MIMO antenna through a downlink, the MIMO antenna is connected with an OFDM modulation module through a downlink, the OFDM modulation module is connected with a monitoring module through a downlink, the monitoring module is connected with a receiving terminal through a downlink, the receiving terminal is connected with an image processor through a downlink, the monitoring module does not contain an uplink, the uplink and the downlink adopt a MIMO multi-antenna technology and an OFDM modulation mode, and an advanced algorithm is matched to effectively improve the system data bandwidth and the stability of a complex environment and improve the dynamic performance of the system, meanwhile, the downlink monitors the interference state of each channel in real time, dynamically selects an optimal channel to work (at most 24 transmission channels), and simultaneously can simultaneously support up to 24 devices to work simultaneously.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the power control device 2 comprises a switch 21, the switch 21 is fixedly installed at the lower right corner of the front surface of the receiver 1, the bottom surface of the receiver 1 is fixedly installed at a power indicator 23, a power charging port 22 is arranged at the lower end of the left side surface of the receiver 1, the power charging port 22 is connected to a battery inside the receiver 1, the receiver 1 is connected with a PC end through a serial port communication port 15, the receiver 1 is connected with an unmanned aerial vehicle control end through a PWM output port 17, the receiver 1 is connected with an image display through an HDMI output port 13, an OSD function module is included inside the receiver 1, a battery module is included at the lower end inside the receiver 1, the battery module is connected with an external power module through the power charging port 22, a 1500mAh large-capacity battery is built in the receiver, the device can work for two hours continuously, and various charging modes such as direct power charging and mobile phone charger charging can be adopted when the battery is charged, the OSD function is built in, an external OSD is not needed when the built-in OSD function is matched with pix apm pixw for use, the information superposition function can be realized, the problem that the OSD is matched with the flight controller for use is solved through the PWM output port 17, and the built-in data transmission of pix apm pixw APP without limit is realized.

The operation of the digital image processing apparatus using the OFDM technology will be described in detail below.

As shown in fig. 1-4, the picture signals collected by the drone are transmitted to multiple MIMO antennas through the transmitting terminal, and then transmitted to the receiving terminal through the downlink respectively through the MIMO antennas, in this process, the data bandwidth of the system and the stability of the complex environment are improved through OFDM modulation, meanwhile, the interference state of each channel is monitored by the monitoring module in the downlink, the optimal channel is dynamically selected to work, and then transmitted to the receiving terminal, and finally, the received picture digital signals are transmitted to the image processing terminal by the receiver 1 of the receiving terminal to display and process the picture.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. A digital image processing apparatus employing OFDM technology, comprising a receiver (1), characterized in that: the lower end of the surface of the receiver (1) is fixedly provided with a power supply control device (2), and the upper end of the receiver (1) is fixedly provided with a receiving antenna (3);

the receiver (1) right side surface is provided with HDMI output port (13), receiver (1) left side surface upper end is provided with serial ports communication port (15), serial ports communication port (15) below is provided with AirUSB port (16), AirUSB port (16) below is provided with PWM output port (17).

2. A digital image processing apparatus using OFDM technology according to claim 1, wherein: the receiver (1) left side surface just is provided with above serial ports communication port (15) and pairs pilot lamp (14), it puts device (12) to pair pilot lamp (14) top to be provided with outward, receiver (1) front surface intermediate position is provided with heat abstractor (11).

3. A digital image processing apparatus using OFDM technology according to claim 1, wherein: the power supply control device (2) comprises a switch (21), the switch (21) is fixedly installed at the lower right corner of the front surface of the receiver (1), the bottom end of the receiver (1) is fixedly installed on a power supply indicator lamp (23), a power supply charging port (22) is arranged at the lower end of the left side face of the receiver (1), and the power supply charging port (22) is connected to a battery inside the receiver (1).

4. A digital image processing apparatus using OFDM technology according to claim 1, wherein: the receiver (1) is connected with a PC end through a serial port communication port (15), the receiver (1) is connected with an unmanned aerial vehicle control end through a PWM output port (17), and the receiver (1) is connected with an image display through an HDMI output port (13).

5. A digital image processing apparatus using OFDM technology according to claim 1, wherein: the receiver (1) is internally provided with an OSD functional module, the lower end of the inside of the receiver (1) is provided with a battery module, and the battery module is connected with an external power supply module through a power supply charging port (22).

6. A digital image processing apparatus using OFDM technology according to claim 1, wherein: the receiving antenna (3) is in wireless connection with a transmitting end, the transmitting end is connected with a sky end through an uplink, the transmitting end is connected with an MIMO antenna through a downlink, the MIMO antenna is connected with an OFDM modulation module through a downlink, the OFDM modulation module is connected with a monitoring module through a downlink, the monitoring module is connected with a receiving end through a downlink, the receiving end is connected with an image processor through a downlink, and the monitoring module does not contain an uplink.