CN212137647U - Wireless data transmission communication device - Google Patents
Wireless data transmission communication device Download PDFInfo
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- CN212137647U CN212137647U CN202021220057.XU CN202021220057U CN212137647U CN 212137647 U CN212137647 U CN 212137647U CN 202021220057 U CN202021220057 U CN 202021220057U CN 212137647 U CN212137647 U CN 212137647U
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Abstract
The utility model relates to a wireless data transmission communication device. The utility model discloses a first data interface is connected to first Spartan-6 chip, first data interface sends out controlling means PC through external connector and ground and is connected, first Spartan-6 chip is connected to first AD9364 chip, radio frequency filter connects the radio frequency amplifier PA, the radio frequency amplifier PA is connected with transmitting antenna, first crystal oscillator is connected with first AD9364 chip and first Spartan-6 chip, second Spartan-6 chip connects the second data interface, the second data interface passes through external connector and plays to control PC and be connected, second AD9364 chip connects second Spartan-6 chip, receiving filter is connected to second AD9364 chip, receiving filter connects receiving amplifier LNA, receiving amplifier LNA is connected with receiving antenna, second crystal oscillator is connected with second AD9364 chip and second Spartan-6 chip. The utility model discloses a device integrated level is high, equipment volume is few, with low costs, is convenient for portable.
Description
Technical Field
The utility model relates to a wireless communication technology field especially relates to a can realize data wireless communication system device.
Background
The high-speed development of the current radio communication technology, various wireless communication modules and integrated communication chips in the market are produced, and the requirements of miniaturization, light weight, low power consumption, low cost, multiple frequency bands, high performance expandability and the like of wireless equipment such as a micro-cellular base station, an internet of things, a smart grid meter reading system, a private network device, a near-field access control and the like are increasingly required.
The integrated wireless communication module on the market usually adopts a common frequency band to realize data communication, the implementation scheme is not suitable for application in some special scenes, and common frequency band interference signals brought by the external common frequency band cannot be avoided, so that data transmission errors are caused, the error rate is improved, and the transmission performance of equipment is greatly reduced.
Disclosure of Invention
Not enough to prior art, the utility model provides a wireless data transmission communication device. The utility model discloses a less device has realized the function of transmitting circuit and receiving circuit, makes the utility model discloses a device integrated level is high, equipment volume is few, with low costs, is convenient for portablely.
The technical scheme of the utility model is that: a wireless data transmission communication device comprises a ground wireless sending component and an on-board wireless receiving component, wherein the ground wireless sending component comprises a transmitting antenna and a transmitting circuit, and the on-board wireless receiving component comprises a receiving antenna and a receiving circuit; the method is characterized in that: the transmitting circuit comprises a first AD9364 chip, a first Spartan-6 chip, a first crystal oscillator, a first data interface, a radio frequency filter and a radio frequency amplifier PA, wherein the first Spartan-6 chip is connected with the first data interface, the first data interface is connected with a ground transmitting control device PC through an external connector, the first AD9364 chip is connected with the first Spartan-6 chip, the first AD9364 chip is connected with the radio frequency filter, the radio frequency filter is connected with the radio frequency amplifier PA, the radio frequency amplifier PA is connected with a transmitting antenna, the first crystal oscillator is connected with the first AD9364 chip and the first Spartan-6 chip, the receiving circuit comprises a second AD9364 chip, a second Spartan-6 chip, a second crystal oscillator, a second data interface, a receiving filter and a receiving amplifier LNA, the second Spartan-6 chip is connected with the second data interface, the second data interface is connected with a missile control PC through the external connector, the second AD9364 chip is connected with a second Spartan-6 chip, the second AD9364 chip is connected with a receiving filter, the receiving filter is connected with a receiving amplifier LNA, the receiving amplifier LNA is connected with a receiving antenna, and the second crystal oscillator is connected with the second AD9364 chip and the second Spartan-6 chip.
A wireless data transmission communication device according to the above, characterized in that: the radiating antenna is a flat plate antenna.
A wireless data transmission communication device according to the above, characterized in that: the receiving antenna is a missile-borne conformal antenna attached to the outer wall of the missile body.
A wireless data transmission communication device according to the above, characterized in that: the radio frequency amplifier PA is a Botong PA MGA-23003 amplifier.
A wireless data transmission communication device according to the above, characterized in that: the receiving amplifier LNA is an HMC593LP3E amplifier.
The utility model has the advantages that: firstly, the system is stable, the reliability is high, and the portability is strong. Secondly, the system integration level is high, the equipment quantity is small, and the cost is low. Thirdly, the power consumption is low, and convenient operation is easy to maintain.
Drawings
Fig. 1 is a block diagram of a wireless communication device.
Fig. 2 is a block diagram of a terrestrial wireless transmitting assembly and a missile-borne wireless receiving assembly.
Fig. 3 is a functional block diagram of an AD9364 chip.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the utility model discloses a wireless data transmission communication device includes that ground is wireless to send the subassembly and plays wireless receiving component on, and the system composition block diagram is shown in fig. 1, and wherein ground is wireless to send the subassembly to include transmitting antenna and transmitting circuit, plays wireless receiving component to include receiving antenna and receiving circuit on. The transmitting antenna is a flat plate type antenna, and the receiving antenna is a missile-borne conformal antenna attached to the outer wall of the missile body.
As shown in fig. 2, the utility model discloses a transmitting circuit includes first AD9364 chip, first Spartan-6 chip, first crystal oscillator, a data interface, radio frequency filter, radio frequency amplifier PA, first Spartan-6 chip connects first data interface, first data interface is preferably high-speed optical coupling data interface, first data interface sends out controlling means PC through external connection ware and ground and is connected, first Spartan-6 chip is connected to first AD9364 chip, radio frequency filter is connected to first AD9364 chip, radio frequency amplifier PA is connected to radio frequency filter, radio frequency amplifier PA and transmitting antenna are connected, first crystal oscillator is connected with first AD9364 chip and first Spartan-6 chip, first Spartan-6 chip inner zone FPGA. The utility model discloses a first AD9364 chip is used for radio frequency signal to enlarge, mixing, filtering, extraction, interpolation and FIR filtering. The utility model discloses a transmitting circuit can also include power source, and power source is connected with external power source, supplies power to each device of inside.
The utility model discloses a radio frequency amplifier PA can select for use the bock PA MGA-23003 amplifier to realize the transmitted signal and enlarge, and its customization band pass filter filtering is stray, enlargies output to 26 dBm.
The utility model discloses transmitting circuit theory of operation is: the FPGA internal DDS of the first Spartan-6 chip transmits IQ modulation data, the IQ modulation data are sent to the DAC of the first AD9364 chip through an IO serial port for interpolation, the first AD9364 chip is amplified to a required radio frequency band through FIR/HB filtering and frequency mixing, and then the radio frequency band sequentially passes through a radio frequency filter and a radio frequency amplifier PA and is sent to a transmitting antenna for wireless transmission. The IO data port of the first Spartan-6 chip FPGA is connected with the ground sending control device PC through a first data interface, namely the first Spartan-6 chip carries out data mutual transmission with the ground sending control device PC through a signal transmission cable.
As shown in FIG. 2, the receiving circuit of the present invention comprises a second AD9364 chip, a second Spartan-6 chip, a second crystal oscillator, a second data interface, a receiving filter, a receiving amplifier LNA, wherein the second Spartan-6 chip is connected to the second data interface, the second data interface is preferably a high-speed optical coupling data interface, the second data interface is connected to the pop-up control PC through an external connector, the second AD9364 chip is connected to the second Spartan-6 chip, the second AD9364 chip is connected to the receiving filter, the receiving filter is connected to the receiving amplifier LNA, the receiving amplifier LNA is connected to the receiving antenna, the receiving amplifier LNA is preferably a low noise amplifier, the second crystal oscillator is connected to the second AD9364 chip and the second Spartan-6 chip, and the second Spartan-6 chip has an FPGA inside. The utility model discloses a second AD9364 chip is used for radio frequency signal to enlarge, mixing, filtering, extraction, interpolation and FIR filtering. The utility model discloses a transmitting circuit can also include second power source, and second power source is connected with external power source, supplies power to each device of inside.
The utility model discloses a receiving amplifier LNA chooses for use ADI's HMC593LP3E amplifier to realize 17dB received signal low noise amplification and customization band pass filter filtering outband interference signal, and excellent noise figure and outband restrain index satisfy the required minimum sensitivity requirement of radio communication.
The utility model discloses receiving circuit theory of operation is connected to radio frequency connector port through the radio frequency cable, pass through receiving amplifier LNA in proper order, receiving filter, get into the receiving port mixing part of second AD9364 chip, carry out zero intermediate frequency and convert IQ data into, via ADC part HB, FIR filtering, the extraction, the down sampling, then convey to the FPGA digital processing part of second Spartan-6 chip through IO serial interface, carry out the IQ signal demodulation, data after second Spartan-6 chip FPGA demodulation pass through the second data interface and play on control PC and be connected.
The utility model discloses can adopt the 5V direct current to supply power through first power source, second power source to transmitting circuit and receiving circuit, including DC-DC at different levels, LDO voltage conversion chip to and power protection chip.
The utility model discloses first data interface, second data interface can take 3.3V TTL level, realize the interconnection of wireless communication device and host computer, and high-speed opto-coupler HCPL-2631 carries out isolation protection, and the ESD protection diode is used for protecting communication interface circuit.
The utility model discloses 20M sine wave, stability 0.28ppm are chooseed for use to first crystal oscillator, second crystal oscillator, provide the reference clock of high accuracy high stability for transceiver module.
The utility model discloses wireless communication device's communication process includes two stages, before the transmission with the transmission back, mainly accomplishes work self-checking and a AD9364 chip initialization work before the transmission, send and carry out the communication through wired between subassembly and the receiving component and shake hands, then the disconnection holds the hands the line, and ground wireless sends the subassembly and plays and goes up to communicate through wireless between the wireless receiving component. The utility model discloses a communication protocol can adopt current ripe communication mode to go on.
The utility model is characterized in that: the AD9364 chip is customizable in full-band 70-6GHz, can avoid the public ISM band, can set a signal bandwidth of 200k-56M and excellent radio frequency performance indexes, and meanwhile, the FPGA programmable logic device of the Spartan-6 chip can be flexibly adapted to different data protocols and has strong anti-jamming capability by matching with a communication modulation mode, an encryption mode and a related frequency hopping technology. The wireless communication system adopts a spread spectrum and frequency hopping communication mechanism, meets the requirement of the error rate of wireless data communication application, and can realize stable and transparent transmission of 2km wireless communication data.
Claims (5)
1. A wireless data transmission communication device comprises a ground wireless sending component and an on-board wireless receiving component, wherein the ground wireless sending component comprises a transmitting antenna and a transmitting circuit, and the on-board wireless receiving component comprises a receiving antenna and a receiving circuit; the method is characterized in that: the transmitting circuit comprises a first AD9364 chip, a first Spartan-6 chip, a first crystal oscillator, a first data interface, a radio frequency filter and a radio frequency amplifier PA, wherein the first Spartan-6 chip is connected with the first data interface, the first data interface is connected with a ground transmitting control device PC through an external connector, the first AD9364 chip is connected with the first Spartan-6 chip, the first AD9364 chip is connected with the radio frequency filter, the radio frequency filter is connected with the radio frequency amplifier PA, the radio frequency amplifier PA is connected with a transmitting antenna, the first crystal oscillator is connected with the first AD9364 chip and the first Spartan-6 chip, the receiving circuit comprises a second AD9364 chip, a second Spartan-6 chip, a second crystal oscillator, a second data interface, a receiving filter and a receiving amplifier LNA, the second Spartan-6 chip is connected with the second data interface, the second data interface is connected with a missile control PC through the external connector, the second AD9364 chip is connected with a second Spartan-6 chip, the second AD9364 chip is connected with a receiving filter, the receiving filter is connected with a receiving amplifier LNA, the receiving amplifier LNA is connected with a receiving antenna, and the second crystal oscillator is connected with the second AD9364 chip and the second Spartan-6 chip.
2. A wireless data transmission communication device according to claim 1, wherein: the radiating antenna is a flat plate antenna.
3. A wireless data transmission communication device according to claim 1, wherein: the receiving antenna is a missile-borne conformal antenna attached to the outer wall of the missile body.
4. A wireless data transmission communication device according to claim 1, wherein: the radio frequency amplifier PA is a Botong PA MGA-23003 amplifier.
5. A wireless data transmission communication device according to claim 1, wherein: the receiving amplifier LNA is an HMC593LP3E amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220057.XU CN212137647U (en) | 2020-06-26 | 2020-06-26 | Wireless data transmission communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220057.XU CN212137647U (en) | 2020-06-26 | 2020-06-26 | Wireless data transmission communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212137647U true CN212137647U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021220057.XU Active CN212137647U (en) | 2020-06-26 | 2020-06-26 | Wireless data transmission communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212137647U (en) |
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2020
- 2020-06-26 CN CN202021220057.XU patent/CN212137647U/en active Active
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