CN213342282U - Low-power consumption three-dimensional monitoring data chain - Google Patents

Abstract

The utility model discloses a low-power consumption three-dimensional monitoring data chain, which belongs to the radar field and comprises a vehicle-mounted central device and a communication module, airborne equipment and several monitoring node, monitoring node divide into near-end monitoring node and distal end monitoring node, communication module carries out data interaction through control data chain and on-vehicle central plant, airborne equipment carries out data interaction through control data chain and communication module, airborne equipment carries out data interaction through control data chain and distal end monitoring node, communication module carries out data interaction through control data chain and near-end monitoring node, the adoption high frequency broadband and low frequency narrow band dual network data chain have been solved, high-speed data transmission and low-speed data transmission are realized to the sharing single antenna, reduce the technical problem of communication equipment's whole consumption, the utility model discloses reduce external interface and installation complexity, the overlength stand-by time under the mobile environment has been realized.

Description

Low-power consumption three-dimensional monitoring data chain

Technical Field

The utility model belongs to the technical field of the radar, a low-power consumption three-dimensional monitoring data link is related to.

Background

The data link system is widely used in the fields of investigation, monitoring, warning and the like in military affairs, and can be used for geodetic surveying, aerial photography, remote sensing, exploration and the like in civil use. The high-speed data link system can realize wireless transmission and acquisition of information such as high-resolution video or voice control. The advanced all-digital modulation and demodulation technology and the digital compression and coding technology are adopted, and the method has the characteristics of special purpose for a private network, high reliability, high safety and the like.

The very power-supply monitoring data chain of the existing mobile and portable scenes is not sufficient:

the high-frequency broadband data link works in a 1.4G frequency band. Due to the requirement of long-distance coverage, a high-power amplifier is required, so that the power consumption is very high. And cannot adapt to mobile or portable application scenes which need long-time continuous work.

For a mobile monitoring network with low response delay requirement, the reliability is insufficient due to the instability of a single high-frequency communication link.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low-power consumption three-dimensional monitoring data link has solved and has adopted high frequency broadband and low frequency narrow band dual network data link, and high-speed data transmission and low-speed data transmission are realized to the single antenna that shares, reduce the technical problem of communication equipment's whole consumption.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low-power-consumption three-dimensional monitoring data chain comprises vehicle-mounted central equipment, a communication module, airborne equipment and a plurality of monitoring nodes, wherein the monitoring nodes are divided into near-end monitoring nodes and far-end monitoring nodes;

the monitoring data chain comprises a high-frequency broadband channel and a low-frequency narrowband channel, the high-frequency broadband channel is used for transmission of measurement and control instructions of the unmanned aerial vehicle, transmission of video data of monitoring nodes, transmission of information of the unmanned aerial vehicle and load states and transmission of scout images of the unmanned aerial vehicle, and the low-frequency narrowband channel is used for transmission of control instructions between the monitoring nodes by the vehicle-mounted central terminal;

the airborne equipment relays video data and control instruction data of the remote monitoring node.

Preferably, the airborne equipment is arranged on the unmanned aerial vehicle, the vehicle-mounted central equipment is a vehicle-mounted computer, and the monitoring node is a network camera.

Preferably, the communication module includes an antenna, a duplexer, a low-frequency narrowband transceiver, a high-frequency broadband transceiver, and a data multiplexing scheduling module, the data multiplexing scheduling module is connected to the low-frequency narrowband transceiver and the high-frequency broadband transceiver respectively, the low-frequency narrowband transceiver and the high-frequency broadband transceiver are connected to two input terminals of the duplexer respectively, and the antenna is connected to an output terminal of the duplexer.

Preferably, the data compound section scheduling module is an FPGA controller, and the data compound section scheduling module is connected with the low-frequency narrowband transceiver and the high-frequency broadband transceiver through two groups of IO data interfaces respectively;

the duplexer comprises an antenna output interface AIN1, an antenna input end AIN2, an antenna input end AIN3, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, an inductor L1, an inductor L2, an inductor L3, an inductor L4, an inductor L5, an inductor L6 and an inductor L7, wherein the antenna input end AIN2 is connected with the antenna output interface AIN1 through the capacitor C3, the capacitor C4 and the capacitor C5 which are connected in series, a connection node of the capacitor C3 and the capacitor C4 is connected with a ground wire through the inductor L7 and the capacitor C7 which are connected in series, and a connection node of the capacitor C4 and the capacitor C5 is connected with the ground wire through the inductor L6 and the capacitor C6 which are connected in;

the antenna input end AIN2 is connected with the high-frequency broadband transceiver;

the antenna input end AIN3 is connected with an antenna output interface AIN1 through an inductor L1, an inductor L3 and an inductor L5 which are connected in series, a connection node of the inductor L1 and the inductor L3 is connected with a ground wire through a capacitor C2 and the inductor L2 which are connected in series, and a connection node of the inductor L3 and the inductor L5 is connected with the ground wire through a capacitor C1 and the inductor L4 which are connected in series;

the antenna input AIN3 is connected to the low frequency narrowband transceiver.

Preferably, the data compound section scheduling module controls the power supply loop of the high-frequency broadband transceiver to be switched on or off through an IO port.

A low-power consumption three-dimensional control data link, solved and adopted high frequency broadband and low frequency narrow band dual network data link, sharing single antenna realizes high-speed data transmission and low-speed data transmission, reduces the technical problem of communication equipment's whole consumption, the utility model discloses reduce external interface and installation complexity, realized the overlength standby time under the mobile environment, the utility model discloses unified control data link is constituteed with unmanned aerial vehicle telemetering measurement remote control to ground monitoring node, unmanned aerial vehicle has high frequency broadband and low frequency narrow band network relay function simultaneously.

Drawings

Fig. 1 is a schematic diagram of a monitoring data chain according to the present invention;

fig. 2 is a schematic block diagram of a communication module of the present invention;

fig. 3 is a schematic diagram of a duplexer of the present invention;

fig. 4 is a schematic diagram of a low frequency narrowband transceiver or a high frequency broadband transceiver according to the present invention.

Detailed Description

As shown in fig. 1 to 4, the low-power consumption three-dimensional monitoring data chain includes a vehicle-mounted central device, a communication module, an onboard device, and a plurality of monitoring nodes, where the monitoring nodes are divided into a near-end monitoring node and a far-end monitoring node, the communication module performs data interaction with the vehicle-mounted central device through the monitoring data chain, the onboard device performs data interaction with the communication module through the monitoring data chain, the onboard device performs data interaction with the far-end monitoring node through the monitoring data chain, and the communication module performs data interaction with the near-end monitoring node through the monitoring data chain;

the monitoring data chain comprises a high-frequency broadband channel and a low-frequency narrowband channel, the high-frequency broadband channel is used for transmission of measurement and control instructions of the unmanned aerial vehicle, transmission of video data of monitoring nodes, transmission of information of the unmanned aerial vehicle and load states and transmission of scout images of the unmanned aerial vehicle, and the low-frequency narrowband channel is used for transmission of control instructions between the monitoring nodes by the vehicle-mounted central terminal;

the airborne equipment relays video data and control instruction data of the remote monitoring node.

Preferably, the airborne equipment is arranged on the unmanned aerial vehicle, the vehicle-mounted central equipment is a vehicle-mounted computer, and the monitoring node is a network camera.

As shown in fig. 1, the nodes 1, 30, and 4 cannot communicate with the vehicle-mounted central device due to the geographical location limitation, so the nodes 1, 30, and 4 are set as remote monitoring nodes, and after all the nodes 1, 30, and 4 are relayed by the onboard device on the unmanned aerial vehicle, the data is transmitted to the vehicle-mounted central device.

The nodes 2, 3 and 5 can directly carry out wireless communication with the vehicle-mounted central equipment, and the nodes 2, 3 and 5 are near-end monitoring nodes.

Preferably, the communication module includes an antenna, a duplexer, a low-frequency narrowband transceiver, a high-frequency broadband transceiver, and a data multiplexing scheduling module, the data multiplexing scheduling module is connected to the low-frequency narrowband transceiver and the high-frequency broadband transceiver respectively, the low-frequency narrowband transceiver and the high-frequency broadband transceiver are connected to two input terminals of the duplexer respectively, and the antenna is connected to an output terminal of the duplexer.

Preferably, the data compound section scheduling module is an FPGA controller, and the data compound section scheduling module is connected with the low-frequency narrowband transceiver and the high-frequency broadband transceiver through two groups of IO data interfaces respectively;

the duplexer comprises an antenna output interface AIN1, an antenna input end AIN2, an antenna input end AIN3, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, an inductor L1, an inductor L2, an inductor L3, an inductor L4, an inductor L5, an inductor L6 and an inductor L7, wherein the antenna input end AIN2 is connected with the antenna output interface AIN1 through the capacitor C3, the capacitor C4 and the capacitor C5 which are connected in series, a connection node of the capacitor C3 and the capacitor C4 is connected with a ground wire through the inductor L7 and the capacitor C7 which are connected in series, and a connection node of the capacitor C4 and the capacitor C5 is connected with the ground wire through the inductor L6 and the capacitor C6 which are connected in;

the antenna input end AIN2 is connected with the high-frequency broadband transceiver;

the antenna input end AIN3 is connected with an antenna output interface AIN1 through an inductor L1, an inductor L3 and an inductor L5 which are connected in series, a connection node of the inductor L1 and the inductor L3 is connected with a ground wire through a capacitor C2 and the inductor L2 which are connected in series, and a connection node of the inductor L3 and the inductor L5 is connected with the ground wire through a capacitor C1 and the inductor L4 which are connected in series;

the antenna input AIN3 is connected to the low frequency narrowband transceiver.

Preferably, the data compound section scheduling module controls the power supply loop of the high-frequency broadband transceiver to be switched on or off through an IO port.

The data compound section scheduling module controls the G pole of a field effect tube through an IO port, and the S pole and the D pole of the field effect tube are connected in series in a power supply loop of the high-frequency broadband transceiver, so that the control of power supply of the high-frequency broadband transceiver is realized.

And the data compound section scheduling module is communicated with the vehicle-mounted central equipment through a data line.

A low-power consumption three-dimensional control data link, solved and adopted high frequency broadband and low frequency narrow band dual network data link, sharing single antenna realizes high-speed data transmission and low-speed data transmission, reduces the technical problem of communication equipment's whole consumption, the utility model discloses reduce external interface and installation complexity, realized the overlength standby time under the mobile environment, the utility model discloses unified control data link is constituteed with unmanned aerial vehicle telemetering measurement remote control to ground monitoring node, unmanned aerial vehicle has high frequency broadband and low frequency narrow band network relay function simultaneously.

Claims (5)

1. A low-power consumption stereoscopic monitoring data link which characterized in that: the system comprises vehicle-mounted central equipment, a communication module, airborne equipment and a plurality of monitoring nodes, wherein the monitoring nodes are divided into a near-end monitoring node and a far-end monitoring node, the communication module carries out data interaction with the vehicle-mounted central equipment through a monitoring data chain, the airborne equipment carries out data interaction with the communication module through the monitoring data chain, the airborne equipment carries out data interaction with the far-end monitoring node through the monitoring data chain, and the communication module carries out data interaction with the near-end monitoring node through the monitoring data chain;

the monitoring data chain comprises a high-frequency broadband channel and a low-frequency narrowband channel, the high-frequency broadband channel is used for transmission of measurement and control instructions of the unmanned aerial vehicle, transmission of video data of monitoring nodes, transmission of information of the unmanned aerial vehicle and load states and transmission of scout images of the unmanned aerial vehicle, and the low-frequency narrowband channel is used for transmission of control instructions between the monitoring nodes by the vehicle-mounted central terminal;

the airborne equipment relays video data and control instruction data of the remote monitoring node.

2. The low-power consumption stereoscopic monitoring data chain of claim 1, characterized in that: the airborne equipment is arranged on the unmanned aerial vehicle, the vehicle-mounted central equipment is a vehicle-mounted computer, and the monitoring node is a network camera.

3. The low-power consumption stereoscopic monitoring data chain of claim 1, characterized in that: the communication module comprises an antenna, a duplexer, a low-frequency narrow-band transceiver, a high-frequency wide-band transceiver and a data compound section scheduling module, the data compound section scheduling module is respectively connected with the low-frequency narrow-band transceiver and the high-frequency wide-band transceiver, the low-frequency narrow-band transceiver and the high-frequency wide-band transceiver are respectively connected with two input ends of the duplexer, and the antenna is connected with an output end of the duplexer.

4. A low power consumption stereoscopic monitoring data link as claimed in claim 3, characterized in that: the data compound section scheduling module is an FPGA controller and is respectively connected with the low-frequency narrow-band transceiver and the high-frequency broadband transceiver through two groups of IO data interfaces;

the duplexer comprises an antenna output interface AIN1, an antenna input end AIN2, an antenna input end AIN3, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, an inductor L1, an inductor L2, an inductor L3, an inductor L4, an inductor L5, an inductor L6 and an inductor L7, wherein the antenna input end AIN2 is connected with the antenna output interface AIN1 through the capacitor C3, the capacitor C4 and the capacitor C5 which are connected in series, a connection node of the capacitor C3 and the capacitor C4 is connected with a ground wire through the inductor L7 and the capacitor C7 which are connected in series, and a connection node of the capacitor C4 and the capacitor C5 is connected with the ground wire through the inductor L6 and the capacitor C6 which are connected in;

the antenna input end AIN2 is connected with the high-frequency broadband transceiver;

the antenna input end AIN3 is connected with an antenna output interface AIN1 through an inductor L1, an inductor L3 and an inductor L5 which are connected in series, a connection node of the inductor L1 and the inductor L3 is connected with a ground wire through a capacitor C2 and the inductor L2 which are connected in series, and a connection node of the inductor L3 and the inductor L5 is connected with the ground wire through a capacitor C1 and the inductor L4 which are connected in series;

the antenna input AIN3 is connected to the low frequency narrowband transceiver.

5. The low-power consumption stereoscopic monitoring data chain of claim 4, characterized in that: and the data compound section scheduling module controls the connection or disconnection of a power supply loop of the high-frequency broadband transceiver through an IO port.

Images