CN206894799U - Equipment Battlefield Damage remote evaluation data transmission system - Google Patents
Equipment Battlefield Damage remote evaluation data transmission system Download PDFInfo
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- CN206894799U CN206894799U CN201720774298.0U CN201720774298U CN206894799U CN 206894799 U CN206894799 U CN 206894799U CN 201720774298 U CN201720774298 U CN 201720774298U CN 206894799 U CN206894799 U CN 206894799U
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- cofdm
- power amplifier
- portable wireless
- interfaces
- wireless transceiver
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Abstract
It the utility model is related to Computer Wireless Communication intellectuality field, more particularly to a kind of equipment Battlefield Damage remote evaluation data transmission system.Including portable wireless transceiver machine, an at least video camera, a mobile terminal and command centre, mobile terminal and video camera be connected by the network switch with portable wireless transceiver machine both-way communication；Portable wireless transceiver machine is connected with command centre wireless telecommunications；Described portable wireless transceiver machine includes the first COFDM modulators, the first tuner, the first power amplifier, the first RJ45 interfaces and first group of transmitting antenna and reception antenna；Described command centre includes the 2nd COFDM modulators, second tune device, the second power amplifier, the 2nd RJ45 interfaces, server and second group of transmitting antenna and reception antenna.The utility model carries out the remote transmission of war damage data, the interference that can be effective against between signal waveform, the high speed data transfer suitable for multi-path environment and fading channel using COFDM technologies.
Description
Technical field
Computer Wireless Communication intellectuality field is the utility model is related to, more particularly to a kind of equipment Battlefield Damage is remotely commented
Estimate data transmission system.
Background technology
In army's actual combatization training at present, equipment technology is scouted and maintenance support is using manual work mode, according to
By scout in Force Reconnaissance Company, an equipment Battlefield Damage situation is recorded using written notes embankment formula, this mode can only outline record
Damaged location, specific personnel, equipment, device requirement can not be counted, technical search content is fuzzy, inaccurate, and data return
Slowly, battle-damaged equipment is caused to assess elapsed time longer.Moreover, scout group only contacts with command post by traditional radio station, without real
Existing wireless network transmissions, it is unfavorable for command post's very first time grasp battlefield periphery and war damage situation, scientific and effective can not implements existing
Field commander, the ageing of battlefield equipment rescue repairing is also had a strong impact on.
The content of the invention
To solve the above problems, the utility model provides a kind of equipment Battlefield Damage remote data transmission system, utilize
The real-time remote high definition transmission of COFDM modulation technologies battlefield equipment data.
Concrete scheme is as follows used by the utility model：
A kind of equipment Battlefield Damage remote evaluation data transmission system, including portable wireless transceiver machine, at least one take the photograph
Camera, a mobile terminal and command centre, mobile terminal and video camera pass through the network switch and portable wireless transceiver machine
Both-way communication connects；Portable wireless transceiver machine is connected with command centre wireless telecommunications；Described portable wireless transceiver machine bag
Include the first COFDM modulators, the first tuner, the first power amplifier, the first RJ45 interfaces and first group of transmitting antenna and reception
Antenna；First RJ45 interfaces input/output terminal is connected with the network switch, and its output end connects with the first COFDM modulators input
Connect, the first COFDM modulators output end is connected with the first power amplifier input, and the first power amplifier is connected with transmitting antenna；
Reception antenna connects the first tuner, and the first tuner output end connects the first RJ45 interface inputs；Described command centre
Including the 2nd COFDM modulators, second tune device, the second power amplifier, the 2nd RJ45 interfaces, server and second group of transmitting day
Line and reception antenna, reception antenna connection second tune device, second tune device output end are connected with server, server and second
RJ45 interfaces both-way communication is connected, and server output end is connected with the 2nd COFDM modulators, the 2nd COFDM modulator output ends
It is connected with the second power amplifier, the second power amplifier is connected with transmitting antenna.
The utility model uses portable wireless transceiver machine, and video camera and mobile terminal are connected in battlefield front end, can be by instead
The audio-video signal for reflecting scene of the accident situation uploads to command centre in real time, so that commander is analyzed field condition, together
When can receive the graph text information that command centre passes down.Portable wireless transceiver machine and command centre are respectively provided with COFDM modulators, will
Data to be transmitted stream encryption, by serioparallel exchange, it is assigned in the relatively low some subchannels of transmission rate and is transmitted, and through work(
Put and launch again after being modulated on UHF frequency band.The mutual orthogonal carrier frequency of COFDM modulation selections makees subcarrier, makes spread spectrum
Frequency spectrum after modulation, so as to reduce interfering between subcarrier, can improve transmission range with overlapped.
Further, the first described COFDM modulators and the 2nd COFDM modulators include a video coding circuit, institute
Stating video coding circuit includes the first microcontroller, extends out EBI, the first real-time timepiece chip and touch-screen control chip,
First microcontroller connects touch-screen control chip by MOSI2, MISO2 lead, is connected by D0-D14, A16-A18 lead
EBI is extended out, the first real-time timepiece chip is connected by OSC32I, OSC32O lead and SCL, SDA lead.Video compiles solution
Code circuit is used to realize video data encoding and decoding, and encoding function is into digital audio/video number by analog audio-video data compression
According to decoding function is that digital audio-video data is reduced into analog audio-video data.
The first described tuner and second tune device include single-chip microcomputer, discharge circuit, analog-digital converter, transceiver and
Memory, after the signal that reception antenna receives first accesses discharge circuit amplification, then input analog-to-digital converter is converted to digital letter
Number input single-chip microcomputer, is exported, memory is used for data storage after single-chip microcomputer analyzes and processes by transceiver.
Tuner is single converted IF output tuner, and it is formed including frequency mixer, oscillator, phaselocked loop and high frequency substantially
Amplifier.High-frequency amplifier has automatic gain control function, and tracking filter is the bandpass filtering of a regulable center frequency
Device.Intermediate-frequency filter is a bandpass filter with special transmission characteristic, generally SAW filter.Radiofrequency signal
High-frequency amplifier into tuner is amplified, and its gain is automatically controlled by agc circuit, then is believed mirror image by tracking filter
Number remove, mix out intermediate-freuqncy signal using frequency mixer and local oscillator, finally via intermediate-frequency filter consider noise wave removing, select and think
The channel wanted is gone forward side by side a successive step pass-band performance, completes the function of tuner.
Portable wireless transceiver machine and command centre are equipped with WIFI module, for realizing wireless networking.
Preferably, described mobile terminal is tablet personal computer.
The utility model carries out the remote transmission of war damage data using COFDM technologies, can be effective against signal waveform
Between interference, the high speed data transfer suitable for multi-path environment and fading channel.And compiled by the way that each channel is combined
Code, then can be improved systematic function.In being unable to intervisibility and have the environment of stop inside and outside city, mountain region, the building etc.,
The system can realize the stable transmission of image with high probability, be particularly suitable for individual combat and battlefield maintenance.
Brief description of the drawings
Fig. 1 is the block diagram of system of the present utility model；
Fig. 2 is the block diagram of system of portable wireless transceiver machine；
Fig. 3 is the block diagram of system of command centre；
Fig. 4 is one of circuit theory diagrams of coding and decoding video circuit；
Fig. 5 is the two of the circuit theory diagrams of coding and decoding video circuit；
Fig. 6 is one of circuit theory diagrams of tuner；
Fig. 7 is the two of the circuit theory diagrams of tuner；
Fig. 8 is one of circuit theory diagrams of power amplifier
Fig. 9 is the two of the circuit theory diagrams of power amplifier；
In figure, 1, video camera, 2, tablet personal computer, 3, the network switch, 4, portable wireless transceiver machine, 5, command centre,
41st, the first COFDM modulators, the 42, first tuner, the 43, the first RJ45 interfaces, the 44, first power amplifier, 45, transmitting antenna,
46th, reception antenna, the 47, first WIFI module, the 51, second power amplifier, 52, second tune device, the 53, the 2nd COFDM modulators,
54th, the 2nd RJ45 interfaces, 55, server, 56, transmitting antenna, 57, reception antenna, the 58, second WIFI module.
Embodiment
Implementation of the present utility model is described in detail below in conjunction with the accompanying drawings.
A kind of equipment Battlefield Damage remote data transmission system, as shown in figure 1, including two video cameras, 1, flat board
2, one, the computer portable wireless transceiver machine 4 of the network switch 3, one and command centre 5, command centre 5 can be arranged on finger
Wave on car.Video camera 1, tablet personal computer 2 are connected by the network switch 3 with the both-way communication of portable wireless transceiver machine 4, portable
Transceiver 4 is connected with command centre 5 wireless telecommunications.
As shown in Fig. 2 described portable wireless transceiver machine 4 include the first COFDM modulators 41, the first tuner 42,
First power amplifier 44, the first RJ45 interfaces 43, the first WIFI module 47 and first group of transmitting antenna 45 and reception antenna 46.The
One RJ45 interfaces 43, the input/output terminal of the first WIFI module 47 are connected with the network switch 3, both output ends and first
The input of COFDM modulators 41 is connected, and the output end of the first COFDM modulators 41 is connected with the input of the first power amplifier 44, the
One power amplifier 44 is connected with transmitting antenna 45.Reception antenna 46 connects the first tuner 42, and the output end of the first tuner 42 connects
Connect the input of the first RJ45 interfaces 43.
As shown in figure 3, described command centre includes the 2nd COFDM modulators 53, second tune device 52, the second power amplifier electricity
Road 51, the 2nd RJ45 interfaces 54, server 55 and second group of transmitting antenna 56 and reception antenna 57, the connection of reception antenna 57 second
Tuner 52, the output end of second tune device 52 are connected with server 55, and server 55 and the both-way communication of the 2nd RJ45 interfaces 54 connect
Connect, the output end of server 55 is connected with the 2nd COFDM modulators 52, the output end of the 2nd COFDM modulators 52 and the second power amplifier electricity
Road 51 is connected, and the second power amplifier 51 is connected with transmitting antenna 56.
The Key Circuit being related to is described in detail with reference to physical circuit figure.
As shown in Figure 4,5, portable wireless transceiver machine and the first COFDM modulators of command centre and the 2nd COFDM are adjusted
Device processed includes coding and decoding video circuit, and the coding and decoding video circuit includes the first microcontroller U1, extends out EBI
CN1, the first real-time timepiece chip U3, touch-screen control chip U4, RS232 interface chip U5, RS232 interface J4, Power convert
Chip U15, output interface CN3, USB interface chip U16, USB interface CN4 and SD card interface chip CN5, the first microcontroller U1
Touch-screen control chip U4 is connected by MOSI2, MISO2 lead, the information that need to be shown to its input, touch-screen control chip U4
By touch screen interface CN2 connection touch-screens, information display function is completed.First microcontroller U1 passes through D0-D14, A16-A18
Lead connection extends out EBI CN1, extends out EBI and is used for connecting the video sources such as video camera, tablet personal computer or server,
To the first microcontroller incoming video signal.First microcontroller U1 is connected by OSC32I, OSC32O lead and SCL, SDA lead
Meet the first real-time timepiece chip U3, the first real-time timepiece chip U3 and be used for tracking data input time.First microcontroller passes through
RXD1, TXD1 lead connect RS232 interface chip U5, RS232 interface chip U5 and connected by RS232T0, RS232R0 lead
RS232 interface J4, miscellaneous equipment is connected by the interface, receives and sends data.Power conversion chip U15 is used for providing 3.3V electricity
Source.Output interface CN3 the first microcontrollers of connection, it is responsible for being connected with upstream device, output data.USB interface and SD card interface
More data entry modes are provided for system.
As shown in Figure 6,7, the first tuner and second tune device include single-chip microcomputer U6, discharge circuit, analog-digital converter
U8, transceiver U12 and memory U7, the data that reception antenna receives first pass through interface J2 input discharge circuits, discharge circuit
Export YALI_OUT connection analog-digital converter U8, after converting analog signals into data signal, by AD_SCLK, AD_DATA,
AD_CONVST leads input single-chip microcomputer U6, and single-chip microcomputer will connect transceiver U2 after data reconciliation by SP_IN, SP_OUT lead,
Transceiver U2, for connection server, is communicated by RXD, TXD lead connecting interface J3 with server.Memory U7 and monolithic
Machine connects, for data storage.
As shown in Figure 8,9, the power amplifier includes level Four operational amplifier LM324, and power amplifier modulates the signal to UHF frequencies
Take, be transformed into RF signals and launched by antenna.
Claims (5)
1. a kind of equipment Battlefield Damage remote evaluation data transmission system, including portable wireless transceiver machine (4), at least one take the photograph
Camera (1), a mobile terminal and command centre (5), it is characterised in that：Mobile terminal and video camera pass through the network switch
(3) it is connected with portable wireless transceiver machine (4) both-way communication；Portable wireless transceiver machine (4) and command centre (5) wireless telecommunications
Connection；Described portable wireless transceiver machine (4) includes the first COFDM modulators (41), the first tuner (42), the first power amplifier
Circuit (44), the first RJ45 interfaces (43) and first group of transmitting antenna (45) and reception antenna (46)；First RJ45 interfaces (43)
Input/output terminal is connected with the network switch (3), and its output end is connected with the first COFDM modulators (41) input, and first
COFDM modulators (41) output end is connected with the first power amplifier (44) input, the first power amplifier (44) and transmitting antenna
(45) connect；Reception antenna (46) connects the first tuner (42), and the first tuner (42) output end connects the first RJ45 interfaces
(43) input；Described command centre (5) includes the 2nd COFDM modulators (53), second tune device (52), the second power amplifier electricity
Road (51), the 2nd RJ45 interfaces (54), server (55) and second group of transmitting antenna (56) and reception antenna (57), reception antenna
(57) second tune device (52) is connected, second tune device (52) output end is connected with server (55), server (55) and second
RJ45 interfaces (54) both-way communication is connected, and server (55) output end is connected with the 2nd COFDM modulators (53), the 2nd COFDM
Modulator (53) output end is connected with the second power amplifier (51), and the second power amplifier (51) is connected with transmitting antenna (56).
2. equipment Battlefield Damage remote evaluation data transmission system according to claim 1, it is characterised in that：Described
One COFDM modulators and the 2nd COFDM modulators include a video coding circuit, and the video coding circuit includes first
Microcontroller (U1), extend out EBI (CN1), the first real-time timepiece chip (U3) and touch-screen control chip (U4), first
Microcontroller (U1) connects touch-screen control chip (U4) by MOSI2, MISO2 lead, passes through D0-D14, A16-A18 lead
Connection extends out EBI (CN1), and the first real-time timepiece chip is connected by OSC32I, OSC32O lead and SCL, SDA lead
(U3)。
3. equipment Battlefield Damage remote evaluation data transmission system according to claim 1, it is characterised in that：Described
One tuner and second tune device include single-chip microcomputer (U6), discharge circuit, analog-digital converter (U8), transceiver (U12) and deposited
Reservoir (U7), after the signal that reception antenna receives first accesses discharge circuit amplification, then input analog-to-digital converter is converted to numeral
Signal inputs single-chip microcomputer, is exported after single-chip microcomputer analyzes and processes by transceiver, memory is used for data storage.
4. the equipment Battlefield Damage remote evaluation data transmission system according to claim 1 or 2 or 3, it is characterised in that：Just
Take formula transceiver (4) and command centre (5) is equipped with WIFI module, for realizing wireless networking.
5. the equipment Battlefield Damage remote evaluation data transmission system according to claim 1 or 2 or 3, it is characterised in that：Institute
The mobile terminal stated is tablet personal computer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774298.0U CN206894799U (en) | 2017-06-29 | 2017-06-29 | Equipment Battlefield Damage remote evaluation data transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774298.0U CN206894799U (en) | 2017-06-29 | 2017-06-29 | Equipment Battlefield Damage remote evaluation data transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894799U true CN206894799U (en) | 2018-01-16 |
Family
ID=61297737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720774298.0U Expired - Fee Related CN206894799U (en) | 2017-06-29 | 2017-06-29 | Equipment Battlefield Damage remote evaluation data transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206894799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193875A (en) * | 2018-11-15 | 2020-05-22 | 无锡人人行拍网络科技有限公司 | High-definition digital image transmission system receiving end of traversing machine |
-
2017
- 2017-06-29 CN CN201720774298.0U patent/CN206894799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193875A (en) * | 2018-11-15 | 2020-05-22 | 无锡人人行拍网络科技有限公司 | High-definition digital image transmission system receiving end of traversing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |