CN209281192U - Signal conversion circuit, wireless transmission terminal and debugging apparatus - Google Patents
Signal conversion circuit, wireless transmission terminal and debugging apparatus Download PDFInfo
- Publication number
- CN209281192U CN209281192U CN201821990406.9U CN201821990406U CN209281192U CN 209281192 U CN209281192 U CN 209281192U CN 201821990406 U CN201821990406 U CN 201821990406U CN 209281192 U CN209281192 U CN 209281192U
- Authority
- CN
- China
- Prior art keywords
- interface
- type
- data transmission
- signal
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model belongs to industrial communication technical field, provides a kind of signal conversion circuit, wireless transmission terminal and debugging apparatus.Wherein, which connect with data transmission unit comprising: power supply unit is configured to supply power supply；First Type-C interface, connect with host computer, is configured as the communication connection of the data transmission unit Yu the host computer；Level conversion unit is connected between the data transmission unit and the first Type-C interface, the signal conversion being configured as between the data transmission unit and the first Type-C interface.Host computer is connected by the first Type-C interface, the communication connection for data transmission unit and the host computer；And the level conversion unit by being connected between the data transmission unit and the first Type-C interface carries out signal conversion.To realize the transmission of RS232 signal by Type-C interface, the wiring error of data transmission unit is avoided, and improve the efficiency of troubleshooting.
Description
Technical field
The utility model belongs to industrial communication technical field more particularly to a kind of signal conversion circuit, wireless transmission terminal
And debugging apparatus.
Background technique
Industrial DTU (Data Transfer unit, data transmission unit) be it is a kind of based on the 4G communication technology without line number
According to transmission terminal, wireless data function is provided for user using 4G network.Wireless core module, provides RS232/ built in the product
RS485 standard interface, built-in ICP/IP protocol, solving user need to be in client without ICP/IP protocol stack when using general module
The limitation of machine system embedment TCP/IP utilizes the transparent transmission of reliable 4G network implementations data information.Suitable for using string
Single-chip data acquisition Transmission system, PLC or RTU and industrial personal computer of mouth communication etc., it can make the original wired string of client
Jaws equipment need not be changed and immediately become wireless network communication equipment, and the investment of system update is reduced.
With popularizing for urban power distribution network automated system, the use of industrial DTU will be more and more, and scene goes wrong
Probability also will be more and more, and operation maintenance personnel maintenance will also take a significant amount of time.Currently, industrial DTU power supply circuit on the market and
Maintenance port RS232 is using the turn of the screw mode of connection, if power supply circuit wiring error occurs and will lead to industrial DTU not work
Make；If operation maintenance personnel wrong RS232 communication line in O&M, this will substantially reduce the efficiency of handling failure.
Utility model content
The purpose of this utility model is to provide a kind of signal conversion circuit, wireless transmission terminal and debugging apparatus, purports
It is solving the problems, such as to be easy wiring error, troubleshooting low efficiency present in traditional technical solution.
A kind of signal conversion circuit, connect with data transmission unit, and the signal conversion circuit includes:
Power supply unit is configured to supply power supply；
First Type-C interface, connect with host computer, is configured as the logical of the data transmission unit and the host computer
News connection；
Level conversion unit is connected between the data transmission unit and the first Type-C interface, is configured as
Signal conversion between the data transmission unit and the first Type-C interface.
In one embodiment, the power supply unit includes protective module, and the input terminal of the protective module is external straight
The output end in galvanic electricity source, the protective module connects the level conversion unit.
In one embodiment, the protection location includes the full bridge rectifier being made of four diodes.
In one embodiment, the DP1 pin of the first Type-C interface and DP2 pin are as described first
The transmitting terminal of the RS232 signal of Type-C interface, the DN1 pin and DN2 pin of the first Type-C interface are as described
The receiving end of the RS232 signal of one Type-C interface.
In one embodiment, the level conversion unit includes electrical level transferring chip, the electrical level transferring chip quilt
It is configured to the conversion of Transistor-Transistor Logic level and 232 level.
In addition, additionally provide a kind of wireless transmission terminal, the wireless transmission terminal include: data transmission unit and with
The above-mentioned signal conversion circuit of the data transmission unit connection.
In addition, additionally providing a kind of debugging apparatus, it is configured as connecting with above-mentioned wireless transmission terminal, the debugging dress
It sets and includes:
2nd Type-C interface is configured as connecting with the first Type-C Interface Matching；
USB interface is configured as connecting with debugging terminal coupling；
Serial ports converting unit is connect with the 2nd Type-C interface, is configured as the 2nd Type-C interface is defeated
RS232 signal out is converted to usb signal, and is transmitted to the USB interface.
In one embodiment, the serial ports converting unit includes serial ports conversion chip, the serial ports conversion chip
Chip model is FT231XS.
Above-mentioned signal conversion circuit connects host computer by the first Type-C interface, is used for data transmission unit and institute
State the communication connection of host computer；And the level by being connected between the data transmission unit and the first Type-C interface
Converting unit carries out signal conversion.To realize the transmission of RS232 signal by Type-C interface, data transmission unit is avoided
Wiring error, and improve the efficiency of troubleshooting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of signal conversion circuit provided by the embodiment of the utility model；
Fig. 2 is the exemplary circuit schematic diagram of power supply unit in signal conversion circuit shown in FIG. 1；
Fig. 3 is the exemplary circuit schematic diagram of the first Type-C interface in signal conversion circuit shown in FIG. 1；
Fig. 4 is the schematic diagram of the upper layer and lower layer connection terminal of the first Type-C interface in signal conversion circuit shown in FIG. 1；
Fig. 5 is the exemplary circuit schematic diagram of level conversion unit in signal conversion circuit shown in FIG. 1；
Fig. 6 is debugging apparatus structural schematic diagram provided by the embodiment of the utility model；
Fig. 7 is the exemplary circuit schematic diagram of debugging apparatus shown in fig. 6.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the structural schematic diagram of signal conversion circuit 1 provided by the embodiment of the utility model, for the ease of saying
Bright, only the parts related to this embodiment are shown, and details are as follows:
A kind of signal conversion circuit 1 is connect with data transmission unit 2, the signal conversion circuit 1 include: power supply unit 10,
First Type-C interface 20 and level conversion unit 30.In practical applications, (the Data Transfer of data transmission unit 2
Unit, DTU), refer to dedicated for being converted to IP data by serial data or IP data being converted to serial data and pass through wirelessly
The terminal device that communication network is transmitted.
Power supply unit 10 is configured to supply power supply；Power supply unit 10 includes protective module, outside the input terminal of protective module
Connect DC power supply, the output end Vin connection level conversion unit 30 of protective module.Wherein, protection location includes by four two poles
The full bridge rectifier of pipe composition.The full bridge rectifier used in the present embodiment, no matter DC power supply is just to connect or be reversely connected,
It can be connected.Specifically, full bridge rectifier include first diode D1, the second diode D2, third diode D3 and
4th diode D4；The first input end V1 of the anode connection power supply unit 10 of first diode D1, first diode D1's is negative
Pole connects the second input terminal V2 of the anode connection power supply unit 10 of the output end Vin, the second diode D2 of power supply unit 10, the
The cathode connection power supply unit 10 of the output end Vin of the cathode connection power supply unit 10 of two diode D2, third diode D3
First input end V1, the plus earth of third diode D3, the second of the cathode connection power supply unit 10 of the 4th diode D4 are defeated
Enter and holds V2, the plus earth of the 4th diode D4；When first input end V1 foot connects the anode of DC power supply, the second input terminal V2 foot
When connecing the cathode of DC power supply, first diode D1 and the 4th diode D4 forward conduction, the second diode D2 and the three or two pole
Pipe D3 reversely ends；When first input end V1 foot connects the cathode of DC power supply, the second input terminal V2 foot connects the anode of DC power supply
When, the second diode D2 and third diode D3 forward conduction, first diode D1 and the 4th diode D4 reversely end.By
This, protective module can prevent to occur wiring error when installation while installation effectiveness can be improved.
First Type-C interface 20 is connect with host computer 3, and the communication for being configured as data transmission unit 2 and host computer 3 connects
It connects.In practical applications, which can be the controlling terminals such as computer, console.
In general, Type-C interface has at least 24 connection terminals, shows upper layer and lower layer connection terminal in Fig. 3,
A1 to A12 indicates upper layer the 1st to the 12nd connection terminal from left to right respectively, and B1 to B12 indicates lower layer from right to left the 1st respectively
To the 12nd connection terminal.Wherein, the first USB Type-C interface includes at least four power supply terminal (upper layer connecting pins A4, A9
Son with lower layer B4, B9 connection terminal), four grounded terminal (upper layer A1, A12 connection terminal and the connecting pin lower layer B1, B12
Son), 12 differential terminals (upper layer A2, A3, A5, A8, A10, A11 connection terminal and lower layer B2, B3, B5, B8, B10, B11 companies
Connecting terminal), (upper layer A7 is connect for two selection terminals (upper layer A6 connection terminal with lower layer's B6 connection terminal) and two reservation terminals
Terminal and lower layer B7 connection terminal).Two selection i.e. the first Type-C interfaces 20 of terminal A6, B6 of the first Type-C interface 20
DP1 pin and DP2 pin, the transmitting terminal of the RS232 signal as the first Type-C interface 20, the two of the first Type-C interface 20
A reservation terminal A7, B7 i.e. DN1 pin and DN2 pin of the first Type-C interface 20, as the first Type-C interface 20
The receiving end of RS232 signal.First Type-C interface 20 carries out signal transmission by customized port, prevents non-working person
Data transmission unit 2 is operated, play a certain protective role while certain economic benefit can be reached.
Level conversion unit 30 is connected between data transmission unit 2 and the first Type-C interface 20, is configured as data
Signal conversion between transmission unit 2 and the first Type-C interface 20.Level conversion unit 30 includes electrical level transferring chip, level
Conversion chip is configured as the conversion of Transistor-Transistor Logic level and 232 level.The first Type-C interface 20 is realized by level conversion unit 30
RS232 signal transmission,
On the basis of above-mentioned signal conversion circuit 1, the utility model additionally provides a kind of wireless transmission terminal 6, the nothing
Line transmission terminal 6 includes: data transmission unit 2 and the above-mentioned signal conversion circuit 1 connecting with data transmission unit 2.
The utility model additionally provides a kind of debugging apparatus, which is configured as and above-mentioned wireless transmission terminal
6 connections, which includes: the 2nd Type-C interface 60, USB interface 40 and serial ports converting unit 50.Specifically, the tune
The debugging being configured as to above-mentioned wireless transmission terminal 6 is set in trial assembly, controls or operate wireless transmission end by debugging apparatus
End 6.
2nd Type-C interface 60 is configured as matching connection with the first Type-C interface 20, wherein the 2nd Type-C connects
The configuration of mouth 60 is corresponding with the first Type-C interface 20.USB interface 40 is configured as matching connection with debugging terminal 5, and debugging is eventually
End 5 connects the debugging apparatus by USB interface 40, to be debugged by debugging apparatus to wireless transmission terminal 6, serial ports turns
It changes unit 50 to connect with the 2nd Type-C interface 60, is configured as the RS232 signal for exporting the 2nd Type-C interface 60 conversion
For usb signal, and it is transmitted to USB interface 40.Serial ports converting unit 50 includes serial ports conversion chip, the chip of serial ports conversion chip
Model FT231XS.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of signal conversion circuit, connect with data transmission unit, which is characterized in that the signal conversion circuit includes:
Power supply unit is configured to supply power supply；
First Type-C interface, connect with host computer, and the communication for being configured as the data transmission unit and the host computer connects
It connects；
Level conversion unit is connected between the data transmission unit and the first Type-C interface, is configured as described
Signal conversion between data transmission unit and the first Type-C interface.
2. signal conversion circuit as described in claim 1, which is characterized in that the power supply unit includes protective module, described
The output end of the input terminal external direct current power supply of protective module, the protective module connects the level conversion unit.
3. signal conversion circuit as claimed in claim 2, which is characterized in that the protective module includes by four diode groups
At full bridge rectifier.
4. signal conversion circuit as described in claim 1, which is characterized in that the DP1 pin of the first Type-C interface and
Transmitting terminal of the DP2 pin as the RS232 signal RS232 signal of the first Type-C interface, the first Type-C interface
Receiving end as the RS232 signal of the first Type-C interface of DN1 pin and DN2 pin.
5. signal conversion circuit as described in claim 1, which is characterized in that the level conversion unit includes level conversion core
Piece, the electrical level transferring chip are configured as the conversion of Transistor-Transistor Logic level and RS232 level.
6. a kind of wireless transmission terminal, which is characterized in that the wireless transmission terminal include: data transmission unit and with it is described
Data transmission unit connection such as signal conversion circuit described in any one of claim 1 to 5.
7. a kind of debugging apparatus is configured as connecting with wireless transmission terminal as claimed in claim 6, which is characterized in that institute
Stating debugging apparatus includes:
2nd Type-C interface is configured as connecting with the first Type-C Interface Matching；
USB interface is configured as connecting with debugging terminal coupling；
Serial ports converting unit is connect with the 2nd Type-C interface, is configured as the 2nd Type-C interface output
RS232 signal is converted to usb signal, and is transmitted to the USB interface.
8. debugging apparatus as claimed in claim 7, which is characterized in that the serial ports converting unit includes serial ports conversion chip,
The chip model of the serial ports conversion chip is FT231XS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990406.9U CN209281192U (en) | 2018-11-29 | 2018-11-29 | Signal conversion circuit, wireless transmission terminal and debugging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990406.9U CN209281192U (en) | 2018-11-29 | 2018-11-29 | Signal conversion circuit, wireless transmission terminal and debugging apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209281192U true CN209281192U (en) | 2019-08-20 |
Family
ID=67608928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821990406.9U Active CN209281192U (en) | 2018-11-29 | 2018-11-29 | Signal conversion circuit, wireless transmission terminal and debugging apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209281192U (en) |
-
2018
- 2018-11-29 CN CN201821990406.9U patent/CN209281192U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206235714U (en) | For the communication module of low-voltage circuit breaker detection | |
| CN203466837U (en) | Network camera power supply device | |
| CN209281192U (en) | Signal conversion circuit, wireless transmission terminal and debugging apparatus | |
| CN208384520U (en) | Data collection station | |
| CN104767081A (en) | Configurable wireless smart socket | |
| CN207968548U (en) | A kind of data transmission device with multiple communication interface | |
| CN210274115U (en) | External interface circuit for energy router | |
| CN207838300U (en) | Wireless telecommunications electronic building blocks | |
| CN209593402U (en) | Passive isolated form RS232 serial communication circuit | |
| CN206097436U (en) | Channel switching appearance | |
| CN207817480U (en) | SCM Based Bluetooth control switch | |
| CN207780090U (en) | A kind of double table electrical energy measurement control devices | |
| CN206523759U (en) | A kind of SCM Based pin socket | |
| CN203217761U (en) | Meter reading circuit based on plastic optical fiber optical transceiver | |
| CN106707946A (en) | Data line for communication between S7-200 PLC (Programmable Logic Controller) and ACE3600 RTU (Remote Terminal Unit) | |
| CN208782200U (en) | Built-up circuit and adapter | |
| CN209088978U (en) | A kind of power supply photoelectric conversion device of more power output interfaces | |
| CN109921610B (en) | Extension set for realizing two-wire system bus | |
| CN107982934A (en) | Wireless telecommunications electronic building blocks | |
| CN210924259U (en) | Single live wire intelligence electronic switch circuit and control circuit thereof | |
| CN209562243U (en) | A kind of remote communication devices and system | |
| CN209344871U (en) | A kind of substation's novel maintenance control device | |
| CN208654786U (en) | Wireless Com interface conversion interface | |
| CN209435098U (en) | A kind of power control | |
| CN108880826A (en) | A kind of RS232 and RS485 combined type interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |