CN209982489U - Integrated ground data chain equipment - Google Patents
Integrated ground data chain equipment Download PDFInfo
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- CN209982489U CN209982489U CN201920828362.8U CN201920828362U CN209982489U CN 209982489 U CN209982489 U CN 209982489U CN 201920828362 U CN201920828362 U CN 201920828362U CN 209982489 U CN209982489 U CN 209982489U
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Abstract
The utility model discloses an integrated ground data link device, which comprises a signal processing module, a radio frequency transmitting module, a radio frequency receiving module, a power supply module and an external interface module; the signal processing module comprises an FPGA chip and an AD9361 chip, the FPGA chip is connected with the AD9361 chip, the clock chip and the external interface module, and the external interface module is connected with an upper computer; the transmitting power control module in the radio frequency transmitting module comprises a power amplifier and a numerical control attenuator, and a transmitting antenna is connected with the transmitting power control module; the receiving power control module in the radio frequency receiving module comprises an amplifier and a gain controller, and a receiving antenna is connected with the receiving power control module; the transmitting power control module and the receiving power control module are both connected with the FPGA chip; when the integrated data link is used for ground receiving, the operation is easy, the communication state and the channel state can be monitored in real time, and the anti-interference capability is strong; the method is simpler and easier to operate, and has stronger human-computer interaction capability; and meanwhile, the anti-interference capability is required to be stronger.
Description
Technical Field
The utility model belongs to the technical field of electronic information, concretely relates to integrated form ground data chain equipment.
Background
In general ground data transceiver in market, radio frequency module and data processing module are independent each other, need connect the cable of each module in the use, and equipment interface is comparatively complicated, needs special data acquisition instrument to handle, and communication state can not show in real time and trail, and human-computer interaction ability is relatively poor. Meanwhile, the ground equipment has poor anti-interference capability, and is easy to be interfered by a close frequency band to cause data transmission errors when the fixed frequency band is used for communication.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a for solve above difficult technical problem, develop the integrated ground data chain equipment that the processing property is powerful, the utility model provides a multi-functional integrated ground data chain equipment.
The utility model provides a technical scheme that its technical problem adopted is: an integrated ground data link device comprises a signal processing module, a radio frequency transmitting module, a radio frequency receiving module, a power supply module and an external interface module;
the signal processing module comprises an FPGA chip and an AD9361 chip, the FPGA chip is connected with the AD9361 chip, the clock chip and the external interface module, and the external interface module is connected with an upper computer;
the radio frequency transmitting module comprises a transmitting antenna and a transmitting power control module, the transmitting power control module comprises a power amplifier and a numerical control attenuator, and the transmitting antenna is connected with the transmitting power control module;
the radio frequency receiving module comprises a receiving antenna and a receiving power control module, the receiving power control module comprises an amplifier and a gain controller, and the receiving antenna is connected with the receiving power control module; the transmitting power control module and the receiving power control module are both connected with the FPGA chip; the power module is connected with an external power supply and used for supplying power to the equipment after the external power supply is converted.
The gain controller is connected with the amplifier, the amplifier is connected with the receiving antenna, and the gain controller is connected with the FPGA chip.
The numerical control attenuator is connected with the power amplifier, the power amplifier is connected with the transmitting antenna, and the numerical control attenuator is connected with the FPGA chip.
The AD9361 chip is connected with the transmitting power control module and the receiving power control module.
The external interface module comprises an RS232 interface and an RJ45 network port.
The clock chip adopts a 40M crystal oscillator.
The transmission power of the transmission module is in two modes of 40W and 40 mW.
The receiving gain of the microwave receiving module is controlled between 15dB and 45 dB.
The external power supply adopts 220V municipal power supply.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the AD9361 frequency range can be customized, and the universal frequency range can be avoided; the AD9361 can set different bandwidths, thereby inhibiting out-of-band noise and having more excellent transmitting and receiving characteristics; therefore, the anti-interference capability of signals in channel transmission is greatly improved, the signals cannot be interfered by a 2.4G public frequency band, and the AD9361 is connected with an FPGA hardware framework and has strong anti-interference capability; meanwhile, the FPGA is externally connected with a serial port and a network port, so that low-rate data can be reliably received, high-rate data can be received with high throughput, the FPGA has a programmable function, has a flexible data protocol adaptation function for the interface, and can monitor the states of a communication link and a channel link in real time; the equipment integrates a radio frequency transmitting module and a radio frequency receiving module at the same time, 40W of transmitting power and 45dB of receiving gain are matched, and the sight distance communication distance can reach 20Km by using a relevant modulation mode; the stability and the reliability of the equipment are greatly improved, the operation is easy when the integrated data link is used for ground reception, the communication state and the channel state can be monitored in real time, and the anti-interference capability is strong; the method is simpler and easier to operate, and has stronger human-computer interaction capability; and meanwhile, the anti-interference capability is required to be stronger.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an integrated ground data link device includes a signal processing module, a radio frequency transmitting module, a radio frequency receiving module, a power supply module, and an external interface module;
the signal processing module comprises an FPGA chip and an AD9361 chip, the FPGA chip is connected with the AD9361 chip, the clock chip and the external interface module, and the external interface module is connected with an upper computer;
the radio frequency transmitting module comprises a transmitting antenna and a transmitting power control module, the transmitting power control module comprises a power amplifier and a numerical control attenuator, and the transmitting antenna is connected with the transmitting power control module;
the radio frequency receiving module comprises a receiving antenna and a receiving power control module, the receiving power control module comprises an amplifier and a gain controller, and the receiving antenna is connected with the receiving power control module; the transmitting power control module and the receiving power control module are both connected with the FPGA chip; the power supply module is connected with an external power supply and used for converting the external power supply and supplying power to the inside of the equipment; the gain controller is connected with the amplifier, the amplifier is connected with the receiving antenna, and the gain controller is connected with the FPGA chip; the numerical control attenuator is connected with the power amplifier, the power amplifier is connected with the transmitting antenna, and the numerical control attenuator is connected with the FPGA chip; the AD9361 chip is connected with a power amplifier in the transmitting power control module and an amplifier in the receiving power control module.
The external interface module comprises an RS232 interface and an RJ45 network port; the clock chip adopts a 40M crystal oscillator; the transmitting power of the transmitting module is in two modes of 40W and 40 mW; the receiving gain of the microwave receiving module is controlled between 15dB and 45 dB.
The utility model discloses preferred, the external power source adopts 220V municipal power supply, and the model of the amplifier in the received power control module is SBB-5089Z; the model of the power amplifier in the transmit power control module is TGA 2975-SM.
An AD9361 chip is adopted, the frequency range can be customized, and the general frequency range is avoided; different bandwidths can be set, so that out-of-band noise is suppressed, and the antenna has more excellent transmitting and receiving characteristics; the AD9631 can set different sampling rates to complete high-power sampling; the anti-interference capability of signals in channel transmission is greatly improved, the signals cannot be interfered by a 2.4G public frequency band, and the stability and the reliability of equipment are greatly improved.
The FPGA chip adopts an FPGA-ZYNQ series chip, signal processing is carried out at the PL end of the chip, communication error codes and packet loss are calculated, and meanwhile, receiving and sending data are stored at the PL end; and the error rate, the packet loss rate, the Received Signal Strength Indicator (RSSI) and the Automatic Gain Control (AGC) for communication are displayed in real time at the PS end of the chip, so that the actual attenuation and the communication error of the signal can be checked in real time.
The transmitting module amplifies a signal input by-10 dBm to 40W power by using a 3-level power amplifier control chip; the receiving module uses a 2-level gain control chip and respectively estimates gain for 30dB and adjustable gain for 15dB, so that the total gain of the microwave receiving module is 45 dB; the transmitting power of the microwave transmitting module can be 40W, and the gain of the microwave receiving module can reach 45 dB; and the emission power can be set to be 40W and 40mW in use and test; the receiving gain of the microwave receiving module can be controlled between 15dB and 45 dB; the power supply adopts 220V municipal power supply, and then the power supply module distributes the power supply required by each module.
Claims (9)
1. The integrated ground data link equipment is characterized by comprising a signal processing module, a radio frequency transmitting module, a radio frequency receiving module, a power supply module and an external interface module;
the signal processing module comprises an FPGA chip and an AD9361 chip, the FPGA chip is connected with the AD9361 chip, the clock chip and the external interface module, and the external interface module is connected with an upper computer;
the radio frequency transmitting module comprises a transmitting antenna and a transmitting power control module, the transmitting power control module comprises a power amplifier and a numerical control attenuator, and the transmitting antenna is connected with the transmitting power control module;
the radio frequency receiving module comprises a receiving antenna and a receiving power control module, the receiving power control module comprises an amplifier and a gain controller, and the receiving antenna is connected with the receiving power control module; the transmitting power control module and the receiving power control module are both connected with the FPGA chip; the power module is connected with an external power supply and used for supplying power to the equipment after the external power supply is converted.
2. The integrated land data link apparatus of claim 1 wherein the gain controller is connected to the amplifier, the amplifier is connected to the receiving antenna, and the gain controller is connected to the FPGA chip.
3. The integrated ground data link device of claim 1, wherein the digitally controlled attenuator is connected to a power amplifier, the power amplifier is connected to the transmit antenna, and the digitally controlled attenuator is connected to the FPGA chip.
4. The integrated land data link device of claim 1 wherein the AD9361 chip connects the transmit power control module and the receive power control module.
5. The integrated surface data link apparatus of claim 1 wherein the external interface module includes an RS232 interface and an RJ45 portal.
6. The integrated land data link device of claim 1 wherein the clock chip employs a 40M crystal oscillator.
7. The integrated land data link apparatus of claim 1 wherein the transmit power of the transmit module transmit power is in two modes of 40W and 40 mW.
8. The integrated terrestrial data link apparatus according to claim 1, wherein the microwave receiving module receiving gain is controlled to be between 15dB and 45 dB.
9. The integrated surface data link apparatus of claim 1 wherein the external power source is a 220V municipal power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828362.8U CN209982489U (en) | 2019-06-03 | 2019-06-03 | Integrated ground data chain equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828362.8U CN209982489U (en) | 2019-06-03 | 2019-06-03 | Integrated ground data chain equipment |
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| Publication Number | Publication Date |
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| CN209982489U true CN209982489U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920828362.8U Active CN209982489U (en) | 2019-06-03 | 2019-06-03 | Integrated ground data chain equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395977A (en) * | 2022-08-24 | 2022-11-25 | 陕西凌云电器集团有限公司 | Integrated radio frequency processing circuit |
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2019
- 2019-06-03 CN CN201920828362.8U patent/CN209982489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395977A (en) * | 2022-08-24 | 2022-11-25 | 陕西凌云电器集团有限公司 | Integrated radio frequency processing circuit |
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