CN216721338U - Data transmission system based on ultrasonic focusing mode - Google Patents
Data transmission system based on ultrasonic focusing mode Download PDFInfo
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- CN216721338U CN216721338U CN202123335504.3U CN202123335504U CN216721338U CN 216721338 U CN216721338 U CN 216721338U CN 202123335504 U CN202123335504 U CN 202123335504U CN 216721338 U CN216721338 U CN 216721338U
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Abstract
The invention provides a data transmission system based on an ultrasonic focusing mode, which is used for transmitting data and is characterized by comprising the following components: a data sending device and a data receiving device. The data issuing apparatus includes: an encoder; the array control module is electrically connected with the encoder; the power amplification module is connected with the array control module; and the ultrasonic probe array is electrically connected with the power amplification module. The data receiving apparatus includes: m receiving probes placed at the focal points of the ultrasonic probe array; the extraction circuit module is electrically connected with the m receiving probes; the signal amplification module is electrically connected with the extraction circuit module; and the decoder is electrically connected with the signal amplification module.
Description
Technical Field
The invention relates to a data transmission system based on an ultrasonic focusing mode.
Background
The number of devices relying on electromagnetic wave communication is increased, the electromagnetic environment around people is more and more complex, electromagnetic frequency band resources are more and more tense, and the problem of congested electromagnetic frequency bands can be solved by using an ultrasonic wireless communication method. Ultrasonic focusing is a method for converging ultrasonic energy at a focus through an ultrasonic array, energy convergence at the focus can be realized by the method, and the energy at the focus can be improved by increasing the number of probes, so that the data transmission quality is improved.
Therefore, the method for generating a plurality of focuses by the ultrasonic array to communicate at the receiving probe can realize the advantages of parallel data transmission, long transmission distance and high signal-to-noise ratio.
Disclosure of Invention
In order to solve the problems, the invention provides a data transmission system based on an ultrasonic focusing mode, which adopts the following technical scheme:
the invention provides a data transmission system based on an ultrasonic focusing mode, which is used for transmitting data and is characterized by comprising the following components: a data sending device and a data receiving device. The data issuing apparatus includes: an encoder; the array control module is electrically connected with the encoder; the power amplification module is connected with the array control module; and the ultrasonic probe array is electrically connected with the power amplification module. The data receiving apparatus includes: m receiving probes placed at the focal points of the ultrasonic probe array; the extraction circuit module is electrically connected with the m receiving probes; the signal amplification module is electrically connected with the extraction circuit module; and the decoder is electrically connected with the signal amplification module.
The data transmission system based on the ultrasonic focusing mode provided by the invention can also have the technical characteristics that one receiving probe in m receiving probes is used for receiving the synchronous control signal, and the rest (m-1) receiving probes are used for receiving the ultrasonic signal.
The data transmission system based on the ultrasonic focusing mode provided by the invention can also have the technical characteristics that the ultrasonic probe array is an array consisting of n ultrasonic transducers, and n is more than m.
Action and Effect of the invention
According to the data transmission system based on the ultrasonic focusing mode, firstly, n ultrasonic transducers are adopted in the ultrasonic probe array at the data sending end, amplified parallel control electric signals are converted into ultrasonic signals to be sent out, the signal sending intensity is enhanced by utilizing an ultrasonic focusing means, the transmission distance is increased, and meanwhile, a parallel communication method is realized.
And the data receiving end adopts m receiving probes to be placed at the focus of the ultrasonic probe array, so that the ultrasonic signals are received, and meanwhile, the low electromagnetic radiation is utilized, so that the data receiving end has strong environmental electromagnetic interference resistance and has a long transmission distance compared with the same single receiving probe.
Drawings
Fig. 1 is a schematic structural diagram of a data transmission system based on an ultrasonic focusing mode in an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the invention easy to understand, a data transmission system based on an ultrasonic focusing mode of the invention is specifically described below with reference to the embodiments and the accompanying drawings.
< example >
Fig. 1 is a schematic structural diagram of a data transmission system based on an ultrasonic focusing mode in an embodiment of the present invention.
As shown in fig. 1, the present embodiment provides a data transmission system 100 based on an ultrasonic focusing method, which includes a data sending device 1 and a data receiving device 2.
The data transmission apparatus 1 includes an encoder 11, an array control module 12, a power amplification module 13, and an ultrasound probe array 14.
The encoder 11 is electrically connected to the array control module 12, and is configured to encode data to be transmitted to obtain a serial control electrical signal containing corresponding data information and transmit the serial control electrical signal to the array control module 12.
In this embodiment, the encoder 11 encodes data to be transmitted to obtain (m-1) binary data, and then converts the high bits and the low bits of the (m-1) binary data into binary codes corresponding to (m-1) probes, respectively, when the binary codes are 0, the ultrasonic energy at the focus corresponding to the ultrasonic probe array 14 disappears, and when the binary codes are 1, the ultrasonic energy at the focus corresponding to the ultrasonic probe array 14 is turned on. For example, 9 receiving probes and the data to be transmitted are decimal (100), the encoder 11 encodes the decimal data (100) to obtain octal data (144), and then converts the octal data (144) to binary data (00000100,00000100,00000001).
The array control module 12 is electrically connected with the power amplification module 13, and the ultrasonic probe array is an array consisting of n ultrasonic transducers. The array control module 12 receives the serial control electrical signal and converts the signal into a parallel control electrical signal to be transmitted to the power amplification module 13.
The power amplification module 13 is respectively electrically connected with the array control module 12 and the ultrasonic probe array 14, and the power amplification module 13 amplifies the parallel control electrical signals and transmits the amplified signals to the ultrasonic probe array 14.
The ultrasound probe array 14 is an array of n ultrasound transducers (not shown in the figure). The ultrasonic probe array 14 converts the amplified parallel control electrical signal into an ultrasonic signal, and transmits the ultrasonic signal.
The data receiving apparatus 2 includes m receiving probes 21, an extraction circuit module 22, a signal amplification module 23, and a decoder 24.
m receiving probes 21 are placed at the focal points of the ultrasound probe array 12. The number m of the receiving probes is less than n. One of the m receiving probes 21 is used to receive the synchronization control signal, and the remaining (m-1) receiving probes are used to receive the ultrasound signal. When the received synchronous control signal is 1, the moment is an effective moment, and the ultrasonic signals received by the other m-1 probes are taken as effective signals.
The extraction circuit module 22 is electrically connected with the m receiving probes 21, and the extraction circuit module 22 extracts the received electrical signals to obtain coded signals containing data information.
The signal amplification module 23 is electrically connected to the extraction circuit module 22, and is configured to amplify the encoded signal by the signal amplification module 23 and transmit the amplified encoded signal to the decoder 24.
The decoder 24 is electrically connected with the signal amplification module 23, and the decoder 24 decodes the amplified coded signal to obtain data.
The embodiment also provides a work flow of the data transmission device based on the ultrasonic focusing mode, which comprises a data sending process and a data receiving process.
The data sending process comprises the following steps: the encoder 11 is used to encode the data to be transmitted, so as to obtain a serial control electrical signal containing data information, and transmit the serial control electrical signal to the array control module 12. The array control module 12 converts the serial control electrical signals to parallel control electrical signals. The parallel control electrical signals are amplified by the power amplification module 13 and transmitted to the ultrasound probe array 14. The ultrasonic probe array 14 converts the amplified parallel control electric signal into an ultrasonic signal and sends the ultrasonic signal.
The data receiving process comprises the following steps: the m receiving probes 21 receive the ultrasonic signals transmitted from the transmitting apparatus 1 and convert them into receiving electric signals. The extraction circuit module 22 extracts the received electrical signal to obtain an encoded signal containing data information, and transmits the encoded signal to the signal amplification module 23. The signal amplification module 23 amplifies the encoded signal and transmits it to the decoder 24. The decoder 24 decodes the amplified coded signal to obtain data.
Examples effects and effects
According to the data transmission system based on the ultrasonic focusing method provided by the embodiment, firstly, n ultrasonic transducers are adopted in the ultrasonic probe array at the data sending end in the embodiment, the amplified parallel control electric signal is converted into an ultrasonic signal to be sent out, the signal sending intensity is enhanced by utilizing an ultrasonic focusing method, the transmission distance is increased, and meanwhile, the parallel communication method is realized.
Secondly, the data receiving end in this embodiment adopts m receiving probes to place at the focus of the ultrasonic probe array, which increases the receiving of ultrasonic signals, and utilizes low electromagnetic radiation, which has strong anti-environmental electromagnetic interference capability and a longer transmission distance compared with the same single receiving probe.
The above-described embodiments are merely illustrative of specific embodiments of the present invention, and the present invention is not limited to the description of the above-described embodiments.
Claims (3)
1. A data transmission system based on an ultrasonic focusing mode is used for transmitting data, and is characterized by comprising:
a data sending device and a data receiving device,
the data issuing apparatus includes:
an encoder;
the array control module is electrically connected with the encoder;
the power amplification module is connected with the array control module;
an ultrasonic probe array electrically connected with the power amplification module,
the data receiving apparatus includes:
m receiving probes placed at the focal points of the ultrasonic probe array;
the extraction circuit module is electrically connected with the m receiving probes;
the signal amplification module is electrically connected with the extraction circuit module;
and the decoder is electrically connected with the signal amplification module.
2. The data transmission system based on the ultrasonic focusing mode as claimed in claim 1, wherein:
wherein one receiving probe of the m receiving probes is used for receiving the synchronous control signal, and the rest (m-1) receiving probes are used for receiving the ultrasonic signal.
3. The data transmission system based on the ultrasonic focusing mode as claimed in claim 1, wherein:
wherein the ultrasonic probe array is an array consisting of n ultrasonic transducers, and n is more than m.
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| CN202123335504.3U CN216721338U (en) | 2021-12-28 | 2021-12-28 | Data transmission system based on ultrasonic focusing mode |
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| CN202123335504.3U CN216721338U (en) | 2021-12-28 | 2021-12-28 | Data transmission system based on ultrasonic focusing mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114124244A (en) * | 2021-12-28 | 2022-03-01 | 复旦大学 | Data transmission device and method based on ultrasonic focusing mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114124244A (en) * | 2021-12-28 | 2022-03-01 | 复旦大学 | Data transmission device and method based on ultrasonic focusing mode |
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