CN113177008A - Data transmission circuit and device - Google Patents
Data transmission circuit and device Download PDFInfo
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- CN113177008A CN113177008A CN202110380216.5A CN202110380216A CN113177008A CN 113177008 A CN113177008 A CN 113177008A CN 202110380216 A CN202110380216 A CN 202110380216A CN 113177008 A CN113177008 A CN 113177008A
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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Abstract
The invention belongs to the technical field of electronic circuits, and discloses a data transmission circuit and a device, wherein the data transmission circuit comprises a USB module, a main control module and a UWB module which are sequentially connected, wherein the USB module receives a data signal sent by an upper computer, converts the data signal and transmits the converted data signal to the main control module; the main control module transmits the converted data signals to the UWB module; and the UWB module transmits the converted data signal to the mobile terminal so as to realize wireless data transmission between the upper computer and the mobile terminal. According to the invention, the USB module realizes communication with the USB port of the upper computer terminal, converts an input signal into a signal capable of communicating with the main control module, and performs wireless data transmission based on the UWB module, so that the timeliness and convenience of file data transmission between the mobile terminal and the upper computer can be realized through the data transmission circuit.
Description
Technical Field
The present invention relates to electronic circuits, and particularly to a data transmission circuit and apparatus.
Background
At present, data transmission between mobile terminals such as a mobile phone and a computer or between a computer and a computer is mainly through a USB data line, and if the data line is not carried about, the data transmission is very inconvenient when the situation that temporary data transmission is needed is met.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a data transmission circuit and a data transmission device, and aims to solve the technical problem that the existing data transmission is mainly inconvenient to use through a USB data line.
In order to achieve the above object, the present invention provides a data transmission circuit, which comprises a USB module, a main control module and a UWB module connected in sequence; the input end of the USB module is connected with an upper computer, and the output end of the UWB module is connected with a mobile terminal; wherein,
the USB module is used for receiving the data signal sent by the upper computer, converting the data signal and transmitting the converted data signal to the main control module;
the main control module is used for receiving the converted data signals and transmitting the converted data signals to the UWB module;
the UWB module is also used for transmitting the converted data signals to the mobile terminal so as to realize wireless data transmission between the upper computer and the mobile terminal.
Optionally, the USB module includes a USB communication interface module and a serial port conversion module that are connected in sequence; wherein,
the USB communication interface module is connected with the upper computer, and the serial port conversion module is connected with the main control module.
Optionally, the serial port conversion module includes a serial port conversion chip; wherein,
the USB communication interface module is used for receiving a data signal transmitted by the USB communication interface module, converting the data signal into a UART signal, and outputting the UART signal to the main control module so as to realize UART communication between the USB module and the main control module.
Optionally, the UWB module comprises: a UWB communication module and an antenna module; wherein,
the UWB communication module is connected with the main control module, the UWB communication module is connected with the antenna module, and the antenna module is connected with the mobile terminal.
Optionally, the UWB communication module is a module packaged by a system-in-package technology.
Optionally, the antenna module comprises a multiple-input multiple-output antenna; wherein,
the multiple-input multiple-output antenna is respectively connected with the UWB communication module and the mobile terminal.
Optionally, the mimo antenna is attached to the UWB module by a facet-oriented programming technique.
Optionally, the data transmission circuit further includes a voltage conversion module, an input end of the voltage conversion module is connected to the USB module, and an output end of the voltage conversion module is connected to the main control module and the UWB module, respectively; wherein,
and the voltage conversion module is used for receiving the voltage output by the USB module and converting the voltage into the voltage required by the main control module and the UWB module.
Optionally, the voltage conversion module comprises a low dropout linear regulator.
In addition, in order to achieve the above object, the present invention also provides a data transmission device including the data transmission circuit as described above.
The invention provides a data transmission circuit, which comprises a USB module, a main control module and a UWB module which are sequentially connected; the input end of the USB module is connected with an upper computer, and the output end of the UWB module is connected with a mobile terminal; the USB module is used for receiving a data signal sent by the upper computer, converting the data signal and transmitting the converted data signal to the main control module; the main control module is used for receiving the converted data signals and transmitting the converted data signals to the UWB module; the UWB module is also used for transmitting the converted data signals to the mobile terminal so as to realize wireless data transmission between the upper computer and the mobile terminal. According to the invention, the USB module realizes communication with the USB port at the upper computer end, converts an input signal into a signal which can be communicated with the main control module through a UART, and carries out wireless data transmission based on the UWB module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a functional block diagram of a data transmission circuit according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a data transmission circuit according to an embodiment of the present invention;
fig. 3 is a schematic diagram of data transmission in the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
301 | |
| 200 | |
302 | |
| 300 | UWB module | MIMO | Multiple input |
| 101 | USB |
400 | |
| 102 | Serial port conversion module | LDO | Low dropout linear regulator |
| U1 | Serial port conversion chip |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a data transmission circuit.
Referring to fig. 1, in the embodiment of the present invention, the data transmission circuit includes a USB module 100, a main control module 200, and a UWB module 300, which are connected in sequence; the input end of the USB module 100 is connected with an upper computer, and the output end of the UWB module 300 is connected with a mobile terminal; wherein,
the USB module 100 is configured to receive a data signal sent by the upper computer, convert the data signal, and transmit the converted data signal to the main control module 200. In this embodiment, the USB module 100 is an interface for communicating with a USB port of an upper computer, such as a computer, and the USB module 100 may include a USB communication interface module and a serial port conversion module, where the USB communication interface module is used for connecting with the upper computer, such as the computer, to receive a data signal sent by the upper computer, the serial port conversion module is connected to the main control module 200, and the serial port conversion module is used for converting the data signal and transmitting the converted data signal to the main control module 200.
The main control module 200 is configured to receive the converted data signal and transmit the converted data signal to the UWB module 300. In this embodiment, the main control module 200 may receive the converted data signal, and transmit the converted data signal to the UWB module 300, and transmit the converted data signal to the mobile terminal through the UWB module 300, and the main control module 200 may also receive the mobile terminal data signal received through the UWB module 300, thereby implementing bidirectional data transmission between the upper computer and the mobile terminal.
The UWB module 300 is further configured to transmit the converted data signal to a mobile terminal, so as to implement wireless data transmission between the upper computer and the mobile terminal. In the present embodiment, the UWB module 300 may include a UWB communication module and an antenna module; the Ultra Wide Band (UWB) technology is a wireless carrier communication technology, and the UWB technology does not adopt a sinusoidal carrier but uses nanosecond-level non-sinusoidal narrow pulses to transmit data, so that the occupied frequency spectrum range is Wide. The UWB technology has the advantages of low system complexity, low power spectral density of transmitted signals, insensitivity to channel fading, low interception capability, high positioning accuracy and the like, and is particularly suitable for high-speed wireless access in indoor and other dense multipath places. The UWB communication module and the antenna module can realize high-speed wireless access of bidirectional data transmission between the upper computer and the mobile terminal. The mobile terminal includes a UWB antenna for performing ranging, and has UWB functions including UWB data transmission, ranging, and positioning functions. The PDOA ranging principle based on the UWB communication module realizes ranging and spatial position sensing, and simultaneously performs data transmission; the timeliness and convenience of file data transmission between the mobile terminal and the upper computer can be realized through the UWB module 300.
It should be noted that the upper computer in this embodiment is not limited to a computer, a notebook computer, an all-in-one machine, a desktop computer, a PDA, and the like. In this embodiment, the mobile terminal is not limited to a smart phone, a PAD, and the like.
The present embodiment proposes a data transmission circuit, which includes a USB module 100, a main control module 200, and a UWB module 300 connected in sequence; the input end of the USB module 100 is connected with an upper computer, and the output end of the UWB module 300 is connected with a mobile terminal; the USB module 100 is configured to receive a data signal sent by the upper computer, convert the data signal, and transmit the converted data signal to the main control module 200; the main control module 200 is configured to receive the converted data signal and transmit the converted data signal to the UWB module 300; the UWB module 300 is further configured to transmit the converted data signal to a mobile terminal, so as to implement wireless data transmission between the upper computer and the mobile terminal. In the embodiment, the USB module realizes communication with a USB port at an upper computer end, converts an input signal into a signal which can be communicated with the main control module through a UART, realizes ranging and spatial position sensing based on a PDOA ranging principle of the UWB module, and simultaneously performs data transmission; the timeliness of file data transmission between mobile terminal and the host computer can be realized through the data transmission circuit, the convenience can also be realized simultaneously and the range finding location can be realized, and the technical problem that the existing data transmission is inconvenient to use mainly through a USB data line is solved.
Further, referring to fig. 2, the USB module 100 includes a USB communication interface module 101 and a serial port conversion module 102, which are connected in sequence; wherein,
the USB communication interface module 101 is connected with the upper computer, and the serial port conversion module 102 is connected with the main control module 200.
It should be noted that the USB module 100 may include a USB communication interface module 101 and a serial port conversion module 102, which are connected in sequence, where the USB communication interface module 101 is used to be connected to an upper computer, such as a computer, and receive a data signal sent by the upper computer, the serial port conversion module is connected to the main control module 200, and the serial port conversion module is used to convert the data signal and transmit the converted data signal to the main control module 200.
Further, with continued reference to fig. 2, the serial-to-serial port module 102 includes a serial-to-serial port chip U1; wherein,
the serial port conversion chip U1 is configured to convert the data signal received by the USB communication interface module 101 into a UART signal, and output the UART signal to the main control module 200, so as to implement UART communication between the USB module 100 and the main control module 200.
It should be noted that the serial-to-serial port module 102 may include a serial-to-serial port chip U1, the serial-to-serial port chip U1 is used to implement UART communication between the USB module 100 and the main control module 200, and the serial-to-serial port module 102 may also adopt other serial-to-serial port devices, which is not limited in this embodiment.
Further, with continued reference to fig. 2, the UWB module 300 includes: a UWB communication module 301 and an antenna module 302; wherein,
the UWB communication module 301 is connected to the main control module 200, the UWB communication module 301 is connected to the antenna module 302, and the antenna module 302 is connected to the mobile terminal.
It should be noted that the UWB module 300 may include: the UWB communication module 301 and the antenna module 302 are configured such that the UWB communication module 301 does not use a sinusoidal carrier but uses nanosecond-level non-sinusoidal narrow pulses to transmit data, and thus occupies a wide frequency spectrum. The UWB technology of the UWB communication module 301 has the advantages of low system complexity, low power spectral density of transmitted signals, insensitivity to channel fading, low interception capability, high positioning accuracy, and the like, and is particularly suitable for high-speed wireless access in dense multipath places such as indoors. The UWB communication module 301 and the antenna module 302 can realize high-speed wireless access of bidirectional data transmission between the upper computer and the mobile terminal.
Further, the UWB communication module 301 is a module packaged by a system-in-package technology.
It should be noted that the UWB communication module 301 is a module packaged by a system-in-package technology SIP technology. The packaged UWB communication module 301 is obtained by an SIP packaging (System In a Package) process.
It is easy to understand that the SIP packaging process has no certain type, and regarding the arrangement of chips, the SIP can be a planar 2D package of a multi-chip module, and can also reuse the structure of a 3D package to effectively reduce the packaging area; the internal bonding technology can be simple wire bonding, flip chip bonding, or both wire bonding and flip chip bonding. In addition to 2D and 3D packages, there is a way to integrate components with a multi-functional substrate. The SIP packaging process mainly embeds different components in the multifunctional substrate to achieve the purpose of function integration. In this embodiment, the UWB communication module 301 may adopt the SIP packaging process or other SIP packaging processes, which is not limited in this embodiment.
Further, with continued reference to fig. 2, the antenna module 302 includes multiple-input multiple-output antennas MIMO; wherein,
the MIMO antenna is connected to the UWB communication module 301 and the mobile terminal, respectively.
It should be noted that the antenna module 302 may include a multiple-input multiple-output antenna MIMO, where the multiple-input multiple-output antenna MIMO is an antenna system that uses multiple antennas at both the transmitting end and the receiving end to form multiple channels between transmitting and receiving, in order to greatly improve channel capacity. An obvious characteristic of MIMO is that it has very high spectrum utilization efficiency, and gains in both reliability and effectiveness are obtained by utilizing space resources on the basis of fully utilizing existing spectrum resources, at the cost of increasing the processing complexity of the transmitting end and the receiving end. The MIMO employs a large number of antennas to serve users with a relatively small number, which can effectively improve spectrum efficiency.
Further, the MIMO antenna is attached to the UWB module 300 by a facet-oriented programming technique.
It should be noted that the MIMO is attached to the UWB module 300 by a facet-oriented programming technique, i.e., AOP technique, which extracts a facet in the service processing process and faces a certain step or stage in the processing process to obtain an isolation effect with low coupling between each part in the logic process. By utilizing the AOP, all parts of the business logic can be isolated, so that the coupling degree between all parts of the business logic is reduced, the reusability of a program is improved, and the development efficiency is improved.
Further, the data transmission circuit described with continued reference to fig. 2 further includes a voltage conversion module 400, an input end of the voltage conversion module 400 is connected to the USB module 100, and an output end of the voltage conversion module 400 is connected to the main control module 200 and the UWB module 300, respectively; wherein,
the voltage conversion module 400 is configured to receive the voltage output by the USB module 100, and convert the voltage into the voltage required by the main control module 200 and the UWB module 300.
It should be noted that the voltage conversion module 400 is configured to receive the voltage output by the USB module 100, where the voltage output by the USB module 100 is a USB terminal 5V power supply, and the voltage conversion module 400 can convert the USB terminal 5V power supply into a power supply required by each module.
Specifically, the voltage conversion module 400 converts the USB terminal 5V power into the power required by the serial port conversion module 102, the power required by the main control module 200, and the power required by the UWB communication module 301.
Further, the voltage conversion module 400, which is described with continued reference to fig. 2, includes a low dropout linear regulator LDO.
It should be noted that the voltage conversion module 400 may include a low dropout regulator LDO, and the low dropout regulator LDO may convert a USB terminal 5V power into a power required by the serial port conversion module 102, a power required by the main control module 200, and a power required by the UWB communication module 301, and the voltage conversion module 400 may also adopt other voltage conversion devices, which is not limited in this embodiment.
In order to achieve the above object, the present invention further provides a data transmission device, which includes the data transmission circuit as described above. The specific structure of the data transmission circuit refers to the above embodiments, and since the data transmission device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.
It should be noted that, referring to fig. 3, fig. 3 is a schematic diagram of data transmission in the present invention, and in fig. 3, the UWB Dongle is a data transmission device, which can implement bidirectional data transmission between a computer and a mobile phone.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A data transmission circuit is characterized by comprising a USB module, a main control module and a UWB module which are sequentially connected; the input end of the USB module is connected with an upper computer, and the output end of the UWB module is connected with a mobile terminal; wherein,
the USB module is used for receiving the data signal sent by the upper computer, converting the data signal and transmitting the converted data signal to the main control module;
the main control module is used for receiving the converted data signals and transmitting the converted data signals to the UWB module;
the UWB module is also used for transmitting the converted data signals to the mobile terminal so as to realize wireless data transmission between the upper computer and the mobile terminal.
2. The data transmission circuit according to claim 1, wherein the USB module comprises a USB communication interface module and a serial port module connected in sequence; wherein,
the USB communication interface module is connected with the upper computer, and the serial port conversion module is connected with the main control module.
3. The data transmission circuit of claim 2, wherein the serial-to-serial module comprises a serial-to-serial chip; wherein,
the USB communication interface module is used for receiving a data signal transmitted by the USB communication interface module, converting the data signal into a UART signal, and outputting the UART signal to the main control module so as to realize UART communication between the USB module and the main control module.
4. The data transmission circuit of claim 1, wherein the UWB module comprises: a UWB communication module and an antenna module; wherein,
the UWB communication module is connected with the main control module, the UWB communication module is connected with the antenna module, and the antenna module is connected with the mobile terminal.
5. The data transmission circuit of claim 4, wherein the UWB communication module is a packaged module by a system-in-package technology.
6. The data transmission circuit of claim 4, wherein the antenna module comprises a multiple-input multiple-output antenna; wherein,
the multiple-input multiple-output antenna is respectively connected with the UWB communication module and the mobile terminal.
7. The data transmission circuit of claim 6, wherein the multiple-input multiple-output antenna is mounted on the UWB module by a facet-oriented programming technique.
8. The data transmission circuit according to claim 1, wherein the data transmission circuit further comprises a voltage conversion module, an input end of the voltage conversion module is connected with the USB module, and an output end of the voltage conversion module is respectively connected with the main control module and the UWB module; wherein,
and the voltage conversion module is used for receiving the voltage output by the USB module and converting the voltage into the voltage required by the main control module and the UWB module.
9. The data transmission circuit of claim 8, wherein the voltage conversion module comprises a low dropout linear regulator.
10. A data transmission apparatus, characterized in that the data transmission apparatus comprises a data transmission circuit according to any one of claims 1 to 9.
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| CN202110380216.5A CN113177008A (en) | 2021-04-08 | 2021-04-08 | Data transmission circuit and device |
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| CN202110380216.5A CN113177008A (en) | 2021-04-08 | 2021-04-08 | Data transmission circuit and device |
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Cited By (1)
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| CN116073857A (en) * | 2023-02-07 | 2023-05-05 | 西安微电子技术研究所 | A UWB-based serial port data wireless forwarding framework and method |
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