CN220475421U - Adjustable direct-current power supply and serial port debugging two-in-one module - Google Patents
Adjustable direct-current power supply and serial port debugging two-in-one module Download PDFInfo
- Publication number
- CN220475421U CN220475421U CN202321365495.9U CN202321365495U CN220475421U CN 220475421 U CN220475421 U CN 220475421U CN 202321365495 U CN202321365495 U CN 202321365495U CN 220475421 U CN220475421 U CN 220475421U
- Authority
- CN
- China
- Prior art keywords
- power supply
- communication
- debugging
- serial port
- output
- 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
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000003381 stabilizer Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
Landscapes
- Power Sources (AREA)
Abstract
The utility model relates to an adjustable direct-current power supply and serial port debugging two-in-one module which comprises a power supply input and communication interface, a voltage adjusting unit, a serial port communication debugging unit, a power supply output and communication interface. The adjustable direct current power supply and serial port debugging two-in-one module is provided with a Type-C socket and a 5.5mm DC socket power supply input interface, is convenient to carry out, can directly use a charger to supply power for the adjustable direct current power supply and the serial port debugging module when working outdoors, and does not need to connect a long power line to the mains supply to get electricity. The USB-TTL serial port communication chip with high baud rate is selected, the power supply voltage is adjusted to change the communication signal output level of the USB-TTL serial port communication chip, the problem that the communication signal level of the serial port debugging module is single is solved, the requirements of debugging and testing work of terminal products such as the Internet of things and mobile phones are met, and the USB-TTL serial port communication chip has the advantages of being small in size and convenient for outdoor field debugging and testing.
Description
Technical Field
The utility model relates to the technical field of power accessory equipment, in particular to an adjustable direct-current power supply and serial port debugging two-in-one module.
Background
In the field of Internet of things and mobile phone debugging, a direct current power supply and a serial port debugging module are two common debugging tools.
The general direct current power supply for engineering debugging sold in the market takes Agilent 66311B as an example, the volume is 420mm x 215mm x 90 mm), the weight is 30Kg, and the engineering debugging can only work after being connected with a 110V-220V commercial power supply, and can only be used in offices, so that the engineering debugging is inconvenient to test and carry. The market price of the direct current power supply Agilent 66311B is 21880 yuan, and the price is high.
A universal asynchronous receiver Transmitter (Universal Asynchronous Receiver/Transmitter), commonly referred to as UART, is a universal interface for internet of things and mobile phone debugging, and is often used in daily software download and debugging. However, the current serial port debugging module has single communication signal level, most of which are 3.3V level, and the common 1.8V/2.8V/5V communication signal level for debugging cannot be directly used, so that level conversion IC and other additional circuits are required to be added, the use cost is increased, and the use is inconvenient. The highest baud rate of the communication rate supported by the serial port debugging module commonly used in the market at present is 115200bps, and the software downloading and debugging requirements of partial high-rate communication products, in particular the debugging requirements of Gao Bote-rate (2000000 bps) products, cannot be met.
The direct current power supply and the serial port debugging module in the current market are respectively provided with a direct current power supply circuit and a USB-TTL serial port conversion circuit on two devices, and when the serial port debugging module is used, if power is required to be supplied to terminal products such as the Internet of things and a mobile phone, a large direct current power supply converter is required to be additionally arranged, so that the debugging and testing are inconvenient to carry out on outdoor mobile occasions.
Disclosure of Invention
In view of the above, it is necessary to provide an adjustable dc power supply and serial port debugging two-in-one module with simple structure, convenient for carrying out, and convenient for outdoor field debugging and testing operation.
An adjustable direct current power supply and serial port debugging two-in-one module comprises a power supply input and communication interface, a voltage adjusting unit, a serial port communication unit, a power supply output and communication interface. The power supply input and communication interface are respectively and electrically connected with the voltage regulating unit and the serial communication unit; the voltage regulating unit and the serial port communication debugging unit are respectively and electrically connected with the power supply output and the communication interface.
Further, the power supply input and communication interface includes DC power supply input socket, type-C socket, input selector switch includes first link, second link, third link, input selector switch can select first link and second link to be connected, also can select first link and third link, the power that DC power supply input socket input with input selector switch's first link is connected, input selector switch's second link and voltage regulation unit power supply input are connected, type-C socket includes power cord, data communication line, type-C socket's power cord is connected with input selector switch's third link, the power that DC power supply input socket input or the power cord input of Type-C socket, through input selector switch's selection and voltage regulation module power supply input connection, output to the power output of adjustable DC power supply and serial ports two unification module.
The voltage regulating unit comprises a power supply conversion chip and an adjustable resistor, the power supply conversion chip converts the input power supply voltage into voltage required by debugging work, and the adjustable resistor resistance is adjusted to enable the power supply conversion chip to output proper voltage values, the output voltage values are consistent with power supply voltages required by various Internet of things and mobile phones, and the use is more flexible.
Specifically, the model of the power conversion chip is RT6276A.
When the power supply voltage range required by the terminal products for debugging and testing is 0.6-3.8V, the input selection switch selects the Type-C socket to supply power; and if the power supply voltage range required by the terminal product is 0.6-6.5V, switching the Type-C socket power supply to the DC socket power supply by the input selection switch.
Further, the data communication line of the Type-C socket is connected with the data input end of the serial port communication debugging unit, and the serial port communication debugging unit comprises a USB-TTL serial port communication chip and an adjustable voltage stabilizer. The USB-TTL serial port communication chip realizes the communication of USB to serial port, the adjustable voltage stabilizer supplies power to the USB-TTL serial port communication chip, the adjustable voltage stabilizer is used for outputting a plurality of different voltages, the communication signal level of the USB to serial port output by the USB-TTL serial port communication chip depends on the power supply voltage for the adjustable voltage stabilizer, the output voltage of the adjustable voltage stabilizer is adjusted, the communication signal level of the USB to serial port can be adjusted, and the problem of single communication signal level of a serial port communication debugging unit is solved.
Further, the model of the USB-TTL serial port communication chip is FT232RL, the chip comprises a multifunctional communication interface and a communication state interface, the multifunctional communication interface comprises TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI eight wires, three UART communication modes, namely TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI eight wire modes and TXD, RXD, RTS, CTS four-wire modes are supported, TXD and RXD two-2 wire modes can be adjusted according to debugging requirements, the communication state interface is provided with two output state indicating ends for respectively indicating two signal communication states of TXD and RXD, the two output ends are respectively connected with two LED lamps, the LED lamps flash when the serial port communication debugging unit is in communication, and the communication state is quite visual; meanwhile, the chip supports high communication rate, the serial port communication baud rate of the chip is 183-3000000 bps, compared with the chip with the highest baud rate of 115200bps in the market, the serial port communication rate is obviously improved, and the debugging and testing requirements of high-rate signal terminal products are met.
Further, the model of the USB-TTL serial communication chip can also be CH340E.
The power supply output and communication interface comprises a power supply output and communication interface, a UART communication interface, an output power supply selection switch, a power supply and serial communication indication LED lamp.
The power output and communication interface comprises an output power supply, a communication interface and a UART serial port, wherein the output power supply supplies power to terminal products such as the Internet of things and mobile phones, which are connected with the power output communication interface, and provides power supply required by testing and debugging the terminal products such as the Internet of things and the mobile phones. The UART serial port is used for occasions needing power supply and communication debugging and testing, and the output power supply selection switch is used for selecting the output voltage of the output power supply and selecting fixed output voltage or adjustable voltage.
And the UART serial port is connected with a power supply and is communicated with the terminal products such as the Internet of things and the mobile phone for testing and debugging.
The UART communication interface comprises an 8-wire UART serial interface, supports three serial communication modes of 8 wires, 4 wires and 2 wires, can be adjusted according to requirements, and is communicated with the connected terminal products such as the Internet of things and mobile phones to carry out testing and debugging work.
The power supply and serial port communication indicating LED lamp is used for prompting the working state of the adjustable direct current power supply and serial port debugging two-in-one module.
In the adjustable direct-current power supply and serial port debugging two-in-one module, as the module is provided with two general power supply input interfaces of a common Type-C seat and a 5.5mm DC seat, the module is convenient to carry when going out. The charger can be directly used for supplying power to the adjustable direct-current power supply and the serial port debugging two-in-one module during outdoor work, and long power lines are not required to be connected to the mains supply for power taking.
Drawings
FIG. 1 is a functional block diagram of an embodiment of a two-in-one module for adjustable DC power and serial port debugging.
Fig. 2 is a schematic diagram of a power conversion chip RT6276A of an adjustable dc power supply and serial port debug two-in-one module according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a USB-TTL serial communication chip FT232RL circuit of an adjustable dc power supply and serial debugging two-in-one module according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a USB socket power input circuit of an adjustable dc power supply and serial port debugging two-in-one module according to an embodiment of the present utility model.
Fig. 5 is a schematic circuit diagram of a serial port communication indication LED lamp of the adjustable dc power supply and serial port debugging two-in-one module according to the embodiment of the present utility model.
Fig. 6 is a schematic diagram of a DC block power input circuit of an adjustable DC power supply and serial port debug two-in-one module according to an embodiment of the present utility model.
In the figure: 1. DC socket, 2, type-C socket, 3, voltage regulation unit, 4, serial ports debugging unit, 5, adjustable resistance, 6, voltage conversion, 7, power supply output and communication interface.
Detailed Description
The present utility model will be described in detail with reference to specific embodiments and drawings.
Referring to fig. 1-6, an adjustable dc power supply and serial port debugging two-in-one module provided by an embodiment of the present utility model includes a power supply input and communication interface, a voltage adjusting unit 3, a serial port debugging unit 4, and a power supply output and communication interface 7, where the power supply input and communication interface is used for inputting external power supply and communication signals, the external power supply input by the power supply input and communication interface is connected to the voltage adjusting unit 3, the communication signals are connected to the serial port debugging unit 4, the output voltage of the voltage adjusting unit 3 is connected to the power supply output and communication interface 7, and the communication signals of the serial port debugging unit 4 are connected to the power supply output and communication interface 7.
Specifically, the power supply input and communication interface comprises a universal 5.5mm DC socket 1, a Type-C socket 2 and a direct current power supply input end power supply switching jumper, wherein a power supply is input from the 5.5mm DC socket 1 or the Type-C socket 2, and the direct current power supply input end power supply switching jumper is used for selecting, so that the switching of the power supply input of the DC socket 1 and the Type-C socket 2 is realized; the 5.5mm DC socket 1 is optional with a power supply voltage of 5V-12V, and the Type-C socket 2 comprises a power line and a data communication line, wherein the power supply voltage of the power line is 5V.
Further, the voltage adjusting unit 3 includes a power conversion chip RT6276A and an adjustable resistor R1, the input power selected by the power switching jumper at the dc power supply input end is connected to the power input pin of the power conversion chip RT6276A, the power conversion chip RT6276A converts the input voltage into the working voltage required by the terminal product, the resistance value of the adjustable resistor R1 is changed, the output voltage of the power conversion chip RT6276A can be adjusted, in this embodiment, a fixed voltage of 4.2V can be output, and a voltage of 0.6V-3.8V/0.6-6.5V can be output by adjusting the resistance value of the adjustable resistor, the maximum output current reaches 8A, so as to basically meet the debugging and power supply requirements of most of the internet of things and mobile phone products.
Further, the data communication line of the Type-C socket 2 is connected with the data input end of the serial port debugging unit 4, and the data communication line is used for communication.
Further, the serial port debugging unit 4 comprises a USB-TTL serial port communication chip and an adjustable voltage stabilizer, and the adjustable voltage stabilizer supplies power to the USB-TTL serial port communication chip. The USB-TTL serial port communication chip is FT232RL, the USB-TTL serial port communication chip realizes communication of a USB-to-serial port, the USB-TTL serial port communication chip comprises a multifunctional communication interface and a communication state interface, the multifunctional serial port communication interface supports three communication modes, namely a TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI eight-line mode, a TXD, RXD, RTS, CTS four-line mode, a TXD and a RXD two-line mode, wiring can be adjusted according to debugging requirements, the communication state interface is provided with two output state indicating ends which respectively indicate two signal communication states of TXD and RXD, the two output ends are respectively connected with two LED lamps, and the LED lamps flash when the serial port debugging unit 4 is in communication, so that the communication state is quite visual; meanwhile, the USB-TTL serial port communication chip FT232RL supports high communication rate, the baud rate of the chip is 183-3000000 bps, compared with the chip with the highest baud rate of 115200bps in the market, the communication rate is improved obviously, and the debugging and testing requirements of high-rate signal terminal products are met.
The communication signal level of the USB-TTL serial port communication chip output USB-to-serial port is dependent on the power supply voltage of the chip, the output voltage of the adjustable voltage stabilizer is adjusted, the communication signal level of the USB-to-serial port can be adjusted, the adjustable voltage stabilizer of the serial port debugging unit supplies power to the USB-TTL serial port communication chip 4, the adjustable voltage stabilizer is a step-down voltage stabilizer and can output 1.8V and 2.8V voltages, the FT232RL of the USB-TTL serial port communication chip is provided with 3.3V voltage, and the 5V voltage of the USB interface is added, so that the USB-TTL communication signal level is 1.8V/2.8V/3.3V/5V, the communication signal level required by the jump line selection is set, the problem that the communication signal level of the serial port debugging unit is single is solved, the requirements of terminal product debugging work such as the Internet of things and mobile phones on various different communication signal levels are met, the efficiency of the debugging work is greatly improved, and the good performance is obtained.
Further, the power supply output and communication interface comprises a 4.2V/ADJ adjustable power supply output, a common UART 4 channel serial port communication pin header, an auxiliary UART 4 channel serial port communication pin header, a serial port communication power supply output interface and a serial port communication state indication LED lamp, wherein the 4.2V/ADJ adjustable power supply output and the UART 4 channel serial port communication pin header are used for occasions needing power supply and communication debugging and testing at the same time, and the UART 4 channel serial port communication pin header is used for occasions needing communication debugging and testing only, and the power supply and serial port communication indication LED lamp indicates power supply or communication state.
In a second embodiment of the present utility model, the type of the USB-TTL serial communication chip is CH340E. The communication baud rate supported by CH340E is 50bps to 2000000 bps, and two communication modes of UART serial ports are supported: namely TXD, RXD, RTS, CTS four-wire mode, TXD and RXD two-wire mode, supports the switching of the signal level of three UART serial ports of 3V, 3.3V and 5V.
In the adjustable direct current power supply and serial port debugging two-in-one module, an adjustable direct current power supply circuit and a USB-TTL serial port conversion circuit are combined on a main board, the size of the module is 25mm, 39mm, 1.6mm, and the size of the module is equal to 1/3 of the size of an adult palm; the portable electric power box has the advantages of being light in weight of 7g, convenient to carry out, more convenient to debug and test, capable of improving working efficiency and providing powerful guarantee for improving working efficiency and quality of field debugging and testing.
It should be noted that the present utility model is not limited to the above embodiments, and those skilled in the art can make other changes according to the inventive spirit of the present utility model, and these changes according to the inventive spirit of the present utility model should be included in the scope of the present utility model as claimed.
Claims (7)
1. The adjustable direct-current power supply and serial port debugging two-in-one module is characterized by comprising a power supply input and communication interface, a voltage adjusting unit, a serial port communication debugging unit and a power supply output and communication interface, wherein the power supply input and communication interface is electrically connected with the voltage adjusting unit and the serial port communication debugging unit, and the voltage adjusting unit and the serial port communication debugging unit are electrically connected with the power supply output and the communication interface;
the power supply input and communication interface comprises a DC power supply input socket, a Type-C socket and an input selection switch, wherein the Type-C socket comprises a power line, a data communication line and a Type-C socket power supply indicator lamp; the voltage regulating unit comprises a power supply conversion chip and an adjustable resistor, wherein the power supply conversion chip converts input power supply voltage to voltage required by debugging work, the adjustable resistor regulates the power supply conversion chip to convert output voltage values, when a terminal product for debugging and testing needs power supply voltage in the range of 0.6-3.8V, the input selection switch is used for selecting the Type-C socket to supply power, and when the terminal product needs power supply voltage in the range of 0.6-6.5V, the input selection switch is used for switching the Type-C socket to supply power to the DC socket to supply power;
the data communication line of Type-C socket with serial communication debugging unit data input end is connected, serial communication debugging unit includes USB-TTL serial communication chip, adjustable stabiliser, USB-TTL serial communication chip is used for USB to serial communication, adjustable stabiliser gives USB-TTL serial communication chip power supply, adjustable stabiliser is used for exporting a plurality of different voltages, USB-TTL serial communication chip output USB to serial communication signal level depends on the power supply voltage of chip, through adjusting adjustable stabiliser's output voltage to adjust USB to serial communication signal level.
2. The two-in-one module for debugging of an adjustable direct current power supply and a serial port according to claim 1, wherein the input selection switch is provided with three connecting ends, namely a first connecting end, a second connecting end and a third connecting end, the power input by the DC power input socket is connected with the first connecting end of the input selection switch, the second connecting end of the input selection switch is connected with the power input of the voltage regulation unit, the power wire of the Type-C socket is connected with the third connecting end of the input selection switch, the power input by the DC power input socket or the power wire of the Type-C socket is connected with the power input of the voltage regulation unit through the selection of the input selection switch, the power input is output to the power output end of the two-in-one module for debugging of the adjustable direct current power supply and the serial port, and the LED power supply indicator lamp of the Type-C socket is lightened when the Type-C socket is plugged into the Type-C wire.
3. The two-in-one module for debugging an adjustable direct current power supply and a serial port according to claim 1, wherein the type of the USB-TTL serial port communication chip is FT232RL, the chip comprises a multifunctional communication interface and a communication state indication interface, the multifunctional communication interface supports three UART communication modes including a TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI eight-wire mode, a TXD, RXD, RTS, CTS four-wire mode, a TXD and a RXD two-wire mode, the communication state indication interface is provided with two output state indication ends, and the two output state indication ends are respectively connected with two LED lamps and respectively indicate two signal communication states of TXD and RXD.
4. The two-in-one module for debugging of an adjustable direct current power supply and a serial port according to claim 1, wherein the power supply output and communication interface comprises a power supply output and communication interface, a UART communication interface and an output power supply selection switch, the power supply output and communication interface is used for occasions requiring power supply and communication debugging and testing at the same time, and the UART communication interface is used for occasions requiring communication debugging and testing only.
5. The two-in-one module for adjustable direct current power supply and serial port debugging according to claim 4, wherein the output voltage of the power supply output and communication interface can be selected by the output power supply selection switch to be a fixed voltage output or an adjustable voltage output.
6. The two-in-one module for adjustable DC power supply and serial port debugging of claim 4, wherein the UART communication interface comprises a UART serial port, and the UART supports three communication modes including TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI common 8-wire mode, TXD, RXD, RTS, CTS common 4-wire mode, TXD and RXD 2-wire mode.
7. The two-in-one module for adjustable direct current power supply and serial port debugging as claimed in claim 1, wherein the type of the USB-TTL serial port communication chip is CH340E.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023203815564 | 2023-03-03 | ||
| CN202320381556 | 2023-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220475421U true CN220475421U (en) | 2024-02-09 |
Family
ID=89799721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321365495.9U Active CN220475421U (en) | 2023-03-03 | 2023-05-31 | Adjustable direct-current power supply and serial port debugging two-in-one module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220475421U (en) |
-
2023
- 2023-05-31 CN CN202321365495.9U patent/CN220475421U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20030222503A1 (en) | Automatic voltage selection in a DC power distribution apparatus | |
| CN101404001B (en) | Serial port signal and USB signal compatible control circuit board and communication data cable | |
| JP5986304B2 (en) | Fast chargeable data cable | |
| US20100231185A1 (en) | Power supply device and power conversion assembly thereof | |
| US11791650B2 (en) | Multiple output charging system and controller | |
| CN220475421U (en) | Adjustable direct-current power supply and serial port debugging two-in-one module | |
| CN211405513U (en) | Electric energy system | |
| US20050173989A1 (en) | Selectable DC output power converter with voltage level indicating device | |
| CN115051580A (en) | DC power socket and self-adaptive DC voltage output power supply assembly | |
| EP1742324A1 (en) | A power supply adapter capable of displaying dc output voltage level | |
| CN105490124A (en) | Multi-connector data line | |
| CN201638203U (en) | Universal data line | |
| EP1739815A1 (en) | A changeable dc output voltage adapter with voltage level display | |
| CN209265426U (en) | It is a kind of while MIDI being supported to turn bluetooth and the conversion equipment of USB | |
| CN107577574B (en) | Debugging switching circuit and debugging circuit board | |
| KR100867217B1 (en) | Usb outlet and network device using the same | |
| KR200377353Y1 (en) | Data communication device having switching function | |
| CN107122319A (en) | One kind communication multiplex circuit | |
| CN215642445U (en) | Device for dynamically adjusting output voltage of linear power supply through DAC (digital-to-analog converter) | |
| CN211150968U (en) | Intelligent circuit breaker test interface circuit and intelligent circuit breaker | |
| KR100655484B1 (en) | Apparatus for interfacing data communication for mobile phone | |
| CN107069913B (en) | Charging control method, user terminal and charger | |
| CN216527145U (en) | Serial port half/full duplex testing tool | |
| CN220896784U (en) | Data communication device for upgrading vehicle-mounted camera software | |
| CN217110053U (en) | Signal conversion circuit of gas water heater and gas water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |