CN206775488U - A kind of analog quantity is wirelessly transferred radio station - Google Patents
A kind of analog quantity is wirelessly transferred radio station Download PDFInfo
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- CN206775488U CN206775488U CN201720420397.9U CN201720420397U CN206775488U CN 206775488 U CN206775488 U CN 206775488U CN 201720420397 U CN201720420397 U CN 201720420397U CN 206775488 U CN206775488 U CN 206775488U
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Abstract
The utility model belongs to wireless data transmission technology field, and specifically a kind of analog quantity is wirelessly transferred radio station.The utility model to analog signal by being digitally converted, then is sent after radio frequency unit is changed by antenna element, analog signal transmission can be made no longer to need cable connection.When needing to receive analog signal, after receiving data signal by antenna element, then by digital-to-analogue cell translation into analog signal.Analog quantity of the present utility model is wirelessly transferred radio station, after being digitized to analog signal, then by being wirelessly transferred, substantially increases antijamming capability.Cable arrangements are avoided in use occasion simultaneously, reduce difficulty of construction.
Description
Technical field
The utility model belongs to wireless data transmission technology field, and specifically a kind of analog quantity is wirelessly transferred radio station.
Background technology
With the development of Internet technology, Internet of Things (IoT) technology gradually grows up.In Internet of Things development, due to
The analog signal measured by not specific place measured value, being transmitted by the way of wire transmission is needed to bring the fiber crops of wiring
It is tired, while some case locations are special, can not carry out track laying.Particularly in Late reformation construction, weight is not allowed typically
Newly mat formation new circuit.Using laying-out mode transmission of analogue signal, transmission range limitation is also suffered from, transmission range is got over
Long, the loss of signal is bigger, while can also introduce more interference signals, and variation of ambient temperature can also cause transmission line impedance to become
Change, the accuracy of analog signal can also be impacted.
Utility model content
The utility model is directed to above-mentioned deficiency, there is provided a kind of analog quantity is wirelessly transferred radio station, simulation of the present utility model
Amount is wirelessly transferred radio station, and analog input end is connected with ADC units, and ADC units are connected with main control unit, and main control unit and DAC are mono-
Member connection, DAC units are connected with analog output, while main control unit is bi-directionally connected with radio frequency unit, and radio frequency unit output is logical
By being connected after power amplification unit with switch element, switch element is bi-directionally connected with antenna element in road, and antenna element input is logical
Road is connected by switch element with radio frequency unit；
The ADC units include chip ADS1000, and analog input end passes through plug-in unit J1 and chip ADS1000 inputs the 1st
Pin and the connection of the 6th pin, chip ADS1000 output ends are connected with the pin of main control unit chip STM32F030 inputs the 7th and the 8th pin；
The DAC units include chip DAC8551, chip DAC8551 inputs and main control chip STM32F030 output ends
9th pin, the 10th pin and the connection of the 11st pin, chip DAC8551 output ends are connected by plug-in unit J2 with analog output；
The radio frequency unit includes chip SI4463, and chip SI4463 digital interfaces end is with main control chip STM32F030's
17 to 20th pin, and the 2nd pin connect respectively, after chip SI4463 RF output ends are amplified by NPN triode Q1 cascodes, collection
Electrode output is connected with the pin of the first output ends of chip UPG2214TB the 1st in switch element, chip SI4463 rf inputs
It is connected with the pin of the second output ends of chip UPG2214TB the 3rd, the pin of chip UPG2214TB control terminals the 4th and the 6th pin and main control unit
The pin of chip STM32F030 output ends the 12nd and 13 pin connect, the pin of chip UPG2214TB inputs the 5th and day in switch element
Line unit connects.
Further, in addition to power subsystem, external power source input after VIN ends are depressured by chip U1 and export VCC voltages,
Vdd voltage, the pin of chip U2XXX ends the 1st and the pin of main control unit chip STM32F030 output ends the 6th are exported after being depressured by chip U
Connection.
Analog quantity of the present utility model is wirelessly transferred radio station, is digitally converted by measured analog signal, turns
Data after changing use wireless way for transmitting by radio frequency unit again, can effectively solve the problems, such as analog signal transmission.Work as needs
When receiving analog signal from former end, received by radio frequency unit, then by digital-to-analogue conversion, far-end analog signal can be made accurately to pass
It is defeated.Analog quantity of the present utility model is wirelessly transferred radio station, after being digitized to analog signal, then by being wirelessly transferred,
Substantially increase antijamming capability.Cable arrangements are avoided in use occasion simultaneously, reduce difficulty of construction.
Brief description of the drawings
Fig. 1 is system block diagram.
Fig. 2 is main control unit schematic diagram.
Fig. 3 is radio frequency unit schematic diagram.
Fig. 4 is switch element and antenna element schematic diagram.
Fig. 5 is DAC unit schematic diagrams.
Fig. 6 is ADC unit schematic diagrams.
Fig. 7 is power subsystem schematic diagram.
Marked in figure, 101-DAC units, 102-ADC units, 103- main control units, 104- antenna elements, 105- switches are single
Member, 106- power amplification units, 107- radio frequency units
Embodiment
With reference to Fig. 1 to Fig. 7.Analog quantity of the present utility model is wirelessly transferred radio station, and analog input end connects with ADC units 102
Connect, ADC units 102 are connected with main control unit 103, and main control unit 103 is connected with DAC units 101, and DAC units 101 are defeated with simulating
Go out end connection, while main control unit 103 is bi-directionally connected with radio frequency unit 107, the output channel of radio frequency unit 107 passes through power amplification
It is connected after unit 106 with switch element 105, switch element 105 is bi-directionally connected with antenna element 104, and the input of antenna element 104 is logical
Road is connected by switch element 105 with radio frequency unit 107；
The ADC units 102 include chip ADS1000, and analog input end passes through plug-in unit J1 and chip ADS1000 inputs
1st pin and the connection of the 6th pin, chip ADS1000 output ends and the pin of 103 chip STM32F030 inputs of main control unit the 7th and the 8th
Pin connects；
The DAC units 101 include chip DAC8551, and chip DAC8551 inputs and main control chip STM32F030 are defeated
Go out the 9th pin of end, the 10th pin and the connection of the 11st pin, chip DAC8551 output ends are connected by plug-in unit J2 with analog output；
The radio frequency unit 107 includes chip SI4463, chip SI4463 digital interfaces end and main control chip STM32F030
The 17 to 20th pin, and the 2nd pin connects respectively, after chip SI4463 RF output ends are amplified by NPN triode Q1 cascodes,
Collector output is connected with the pin of the first output ends of chip UPG2214TB the 1st in switch element 105, chip SI4463 radio frequencies
Input is connected with the pin of the second output ends of chip UPG2214TB the 3rd, the pin of chip UPG2214TB control terminals the 4th and the 6th pin and master
Control the pin of 103 chip STM32F030 output ends of unit the 12nd and 13 pin connect, the chip UPG2214TB inputs in switch element 105
The 5th pin is held to be connected with antenna element 104.
Further, in addition to power subsystem, external power source input after VIN ends are depressured by chip U1 and export VCC voltages,
Vdd voltage is exported after being depressured by chip U, the pin of chip U2XXX ends the 1st and the chip STM32F030 output ends of main control unit 103 the
6 pin connect.
When in use, when needing to transmission analog signal for no reason, analog signal is accessed by plug-in unit J2, the mould accessed
Intend signal to be connected with chip ADS1000 input, after being converted into data signal by chip ADS1000, by output end and
The chip STM32F030 connections of main control unit 103.The chip STM32F030 of main control unit 103 is received to be transferred to after data signal and penetrated
Frequency unit 107, changed by the chip SI4463 of radio frequency unit 107, then by triode Q1 power amplifications, finally by antenna list
Member 104 is sent.When needing to send, the chip in the chip STM32F030 controlling switches unit 105 of main control unit 103
UPG2214TB connects the first output end and input, the signal after triode Q1 amplifications is launched by antenna element 104
Go.
When needing reception signal, the chip in the chip STM32F030 controlling switches unit 105 of main control unit 103
UPG2214TB connects the second output end and input, the reception signal of antenna element 104 enter directly into the chip of radio frequency unit 107
SI4463 inputs, the chip STM32F030 of main control unit 103 is inputted after being changed by the chip SI4463 of radio frequency unit 107.Master control
The chip STM32F030 of unit 103 into the chip DAC8551 in DAC units 101, passes through the digital data transmission received
After chip DAC8551 is converted into analog signal, analog signal is exported by plug-in unit J1.
Coordinated by the chip STM32F030 of main control unit 103, whole system is operated in transmission or reception state,
Complete transmitting-receiving work.
Claims (2)
1. a kind of analog quantity is wirelessly transferred radio station, it is characterized in that, analog input end is connected with ADC units (102), ADC units
(102) it is connected with main control unit (103), main control unit (103) is connected with DAC units (101), and DAC units (101) are defeated with simulating
Go out end connection, while main control unit (103) is bi-directionally connected with radio frequency unit (107), radio frequency unit (107) output channel passes through work(
Rate amplifying unit (106) is connected with switch element (105) afterwards, and switch element (105) is bi-directionally connected with antenna element (104), day
Line unit (104) input channel is connected by switch element (105) with radio frequency unit (107)；
The ADC units (102) include chip ADS1000, and analog input end passes through plug-in unit J1 and chip ADS1000 inputs the
1 pin and the connection of the 6th pin, chip ADS1000 output ends and the pin of main control unit (103) chip STM32F030 inputs the 7th and the 8th
Pin connects；
The DAC units (101) include chip DAC8551, and chip DAC8551 inputs export with main control chip STM32F030
The 9th pin is held, the 10th pin and the connection of the 11st pin, chip DAC8551 output ends are connected by plug-in unit J2 with analog output；
The radio frequency unit (107) includes chip SI4463, and chip SI4463 digital interfaces end is with main control chip STM32F030's
17 to 20th pin, and the 2nd pin connect respectively, after chip SI4463 RF output ends are amplified by NPN triode Q1 cascodes, collection
Electrode output is connected with the pin of the first output ends of chip UPG2214TB the 1st in switch element (105), chip SI4463 radio frequencies
Input is connected with the pin of the second output ends of chip UPG2214TB the 3rd, the pin of chip UPG2214TB control terminals the 4th and the 6th pin and master
Control the pin of unit (103) chip STM32F030 output ends the 12nd and 13 pin connect, the chip UPG2214TB in switch element (105)
The pin of input the 5th is connected with antenna element (104).
2. analog quantity according to claim 1 is wirelessly transferred radio station, it is characterized in that also including power subsystem, external power source is defeated
Enter after VIN ends are depressured by chip HT7233 and export VCC voltages, vdd voltage, chip MP4462 are exported after being depressured by chip U
1st pin is connected with the pin of main control unit (103) chip STM32F030 output ends the 6th.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420397.9U CN206775488U (en) | 2017-04-20 | 2017-04-20 | A kind of analog quantity is wirelessly transferred radio station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420397.9U CN206775488U (en) | 2017-04-20 | 2017-04-20 | A kind of analog quantity is wirelessly transferred radio station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775488U true CN206775488U (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720420397.9U Active CN206775488U (en) | 2017-04-20 | 2017-04-20 | A kind of analog quantity is wirelessly transferred radio station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631979A (en) * | 2019-01-17 | 2019-04-16 | 成都亿佰特电子科技有限公司 | Long-range system for tracking and method based on cloud platform |
-
2017
- 2017-04-20 CN CN201720420397.9U patent/CN206775488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631979A (en) * | 2019-01-17 | 2019-04-16 | 成都亿佰特电子科技有限公司 | Long-range system for tracking and method based on cloud platform |
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