CN207216605U - A kind of passive low-consumption wireless serial port debugger - Google Patents
A kind of passive low-consumption wireless serial port debugger Download PDFInfo
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- CN207216605U CN207216605U CN201721088203.6U CN201721088203U CN207216605U CN 207216605 U CN207216605 U CN 207216605U CN 201721088203 U CN201721088203 U CN 201721088203U CN 207216605 U CN207216605 U CN 207216605U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model provides a kind of passive low-consumption wireless serial port debugger, and it includes single-chip microcomputer, and wireless telecommunications module, UART interface circuit, electric power management circuit, communication indicator unit and the memory cell being connected with the single-chip microcomputer.The RS232 interface connection of the UART interface circuit and computer, for receiving and dispatching serial communication data, the RS232 interface synchronously provides control source when carrying out data communication for the electric power management circuit, and the electric power management circuit includes switching capacity charge pump voltage conversion circuit, LDO mu balanced circuits.Equipment of the present utility model is compact, is supplied without additional power supply, plug and play, serial communication is converted into wireless telecommunications, practicality is very strong.
Description
Technical field
It the utility model is related to serial communication and wireless communication technique field, more particularly to a kind of passive low-consumption wireless
Serial port debugger.
Background technology
Field is researched and developed in industrial automation technology, there is considerable wired serial communication product, the communication side of these products
Formula has RS232, RS485 or simple Transistor-Transistor Logic level, in actually debugging process is researched and developed, or in product pilot process, also or
Person is in product export debugging process, is required for the serial interface wiring product by computer, is sent out with reference to computer software to serial ports
The information such as debugging are sent, are transferred on product.In certain fields, possible product is placed on relatively remote because the needs of actual test
Or the place of relative risk, debugged by way of this wired wiring, many troubles be present.
And some products inherently product based on wireless telecommunications, it is especially similar to be based on LoRa, NB-IoT and eMTC
Deng the product of communication, need to be debugged by computer again sometimes during scheduling and planning, and this debugging is most suitable does
Method is typically all serial communication instruction, for example simulates AT instructions.But because computer does not have wireless serial communication function in itself, in reality
In the application process of border, a wireless device for being used to communicate docking is typically reconnected, power supply is mixed, is connected on computer, then
Carry out communication function debugging.But in fact, using a new the service of connection devices and providing power supply, this is increased by trouble in itself, more
Importantly, if fruit product is semi-finished product just on stream, it is understood that there may be a variety of bug's, now with two natively
Equipment in debugging is docked, and can cause more multifactor interference, out of joint not know commissioning device problem or use
In the service of connection devices the problem of, particularly stage of protocal analysis.
Therefore, design is a without additional power supply power supply, is directly inserted on the RS232 serial ports of computer, you can realization has
Line, which communicates, turns the debugging of wireless telecommunications, or it is wireless between protocol debugging, this can give research and development debugging and scheduling and planning bring very
It is more convenient.And it can realize the application debugging of various communications regimes or communications protocol by changing different communication modules, lead to
It is strong with property, it can be used as the serial communication of routine or the debugging acid of wireless serial communication.
Utility model content
The utility model makes improvement for above-mentioned technical problem, i.e. technical problem to be solved in the utility model is to carry
For a kind of passive low-consumption wireless serial port debugger, computer RS232 interface is connected to, is supplied without additional power supply, is being communicated
During obtain and power supply and store, while serial data is transferred out with wireless communication mode.
In order to solve the above-mentioned technical problem, a kind of technical scheme of the present utility model is：A kind of passive low-consumption wireless
Serial port debugger, it includes single-chip microcomputer, and wireless telecommunications module, UART interface circuit, the power supply pipe being connected with the single-chip microcomputer
Manage circuit, communication indicator unit and memory cell.
Further, the RS232 interface connection of the UART interface circuit and computer, for receiving and dispatching serial communication data.
Further, the RS232 interface is connected with the electric power management circuit, and the RS232 interface is carrying out data
Control source synchronously is provided for the electric power management circuit during communication, the electric power management circuit includes switching capacity charge pump
Voltage conversion circuit, LDO mu balanced circuits.
Further, the electric power management circuit is respectively that the single-chip microcomputer, the wireless telecommunications module, the UART connect
Mouth circuit, the communication indicator unit and memory cell power supply.
Further, the communication data on computer is transmitted to the UART interface circuit, by institute from the RS232 interface
State and become the Transistor-Transistor Logic level input single-chip microcomputer after UART interface circuit is changed, most afterwards through the wireless telecommunications module with nothing
Line communication modes externally transmit.
Further, the state instruction communicated when indicator unit is used for serial communication and wireless telecommunications.
Further, the switching capacity charge pump voltage conversion circuit includes charge-pump type voltage changer chip
U1, diode D1, zener diode D2, electric capacity C1, storage capacitor C2, resistance R1 and resistance R2；The charge-pump type voltage becomes
Parallel operation chip U1 C1+ pins are connected with the electric capacity C1 respectively with C1- pins, the charge-pump type voltage changer chip U1
LV pins, SHDN pins and GND pins be connected with the 5th pin GND pins of the RS232 interface；The charge-pump type voltage
Converter chip U1 OUT pins and FC pins is connected, and with diode D1, zener diode D2 anode and storage capacitor C2
Negative terminal be connected, diode D1 negative terminal connects the 3rd pin TXD pins of the RS232 interface and resistance R1 one end, resistance R1
The other end, zener diode D2 negative terminal and storage capacitor C2 positive termination GND, the RS232 interface the 2nd pin RXD pipe
Pin connecting resistance R2 one end, resistance R2 another termination GND；The VDD pins of the charge-pump type voltage changer chip U1 are defeated
Go out voltage VCC, the output voltage VCC connections LDO mu balanced circuits.
Further, the storage capacitor C2 is a kind of electrochemical capacitor of Large Copacity.
Further, the OUT pins of the charge-pump type voltage changer chip U1 and the input voltage at GND pins both ends
For negative voltage, the voltage of the VDD pins output of the charge-pump type voltage changer chip U1 is output positive voltage VCC.
Further, the LDO mu balanced circuits 502 include LDO chips U2, filter capacitor E2, C2, E3 and C4, filtering
Electric capacity E2, C2, E3 and C4 one end ground connection, filter capacitor E2 C2 other ends connection LDO chips U2 VIN pins, filtered electrical
Hold E3 and connect LDO chips U2 OUT pins with C4, LDO chips U2 GND pins ground connection, LDO chips U2 OUT pins export+
3.3VDC voltages, for being powered for the single-chip microcomputer 1 and associated peripheral circuits.
Further, the single-chip microcomputer is a kind of microprocessor of low-power consumption（MCU）.
Further, the RS232 interface is the serial ports of 9 stitch or 25 stitch.
Further, the wireless telecommunications module can be one of LoRa/NB-IoT/eMTC communication module groups.
Compared with prior art, the utility model has the advantages that：
（1）By obtaining power supply during RS232 serial communications, it is not necessary to power supply adaptor is additionally provided, than
For common various AccessPorts or conversion equipment using more convenient, cost is low；
（2）The serial communication of debugging process can will be produced and research and develop, wired with wirelessly substituting, debugging is convenient；
（3）It is more directly perceived with reference to communication indicator lamp instruction, communication state；
（4）Whole equipment can be designed to that very little is skilful, plug and play, and practicality is very strong.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the utility model embodiment.
Fig. 2 is the partial circuit diagram of the switching capacity charge pump voltage conversion circuit of the utility model embodiment.
Fig. 3 is the LDO circuit figure of the utility model embodiment.
Fig. 4 is the utility model embodiment offer using circuit diagram during NB-IoT communication module groups.
Fig. 5 is the utility model embodiment offer using circuit diagram during LoRa communication modules.
In Fig. 1：1- single-chip microcomputers, 2- wireless telecommunications module, 3- UART interfaces circuit, 4-RS232 interfaces, 5- power managements
Circuit, 6- communications indicator unit, 7- memory cell.
Embodiment
The accompanying drawing used required for embodiment will be briefly described below, it should be apparent that, it is described
Embodiment is part of the embodiment of the present utility model, and accompanying drawing is some embodiments of the utility model, common for this area
For technical staff, on the premise of not paying creative work, the accompanying drawing of other forms can also be obtained according to these accompanying drawings.
It should be noted that unless otherwise clearly defined and limited, term " connection " in the utility model description,
" connected ", " installation " should be interpreted broadly, for example, it may be being integrally connected, being fixedly connected or being detachably connected；Can be with
It is to be directly connected to by mechanical structure or electronics or be indirectly connected by intermediary.
As shown in figure 1, a kind of passive low-consumption wireless serial port debugger, including single-chip microcomputer 1, and with the single-chip microcomputer 1
Wireless telecommunications module 2, UART interface circuit 3, electric power management circuit 5, communication indicator unit 6 and the memory cell 7 of connection.
In the present embodiment, the UART interface circuit 3 is connected with the RS232 interface 4 of computer, for receiving and dispatching serial communication
Data.
In the present embodiment, the RS232 interface 4 is connected with the electric power management circuit 5, and the RS232 interface 4 is being entered
Control source synchronously is provided for the electric power management circuit 5 during row data communication, the electric power management circuit 5 includes switch electricity
Capacity charge pump voltage change-over circuit 501, LDO mu balanced circuits 502.
In the present embodiment, the electric power management circuit 5 is respectively the single-chip microcomputer 1, the wireless telecommunications module 2, institute
UART interface circuit 3, the communication indicator unit 6 and the memory cell 7 is stated to power.
In the present embodiment, the communication data on computer is transmitted to the UART interface circuit 3 from the RS232 interface 4,
Become Transistor-Transistor Logic level after the UART interface circuit 3 is changed and input the single-chip microcomputer 1, most afterwards through the wireless telecommunications
Module 2 is externally transmitted with wireless communication mode.
In the present embodiment, the state instruction communicated when indicator unit 6 is used for serial communication and wireless telecommunications.
In the present embodiment, the single-chip microcomputer 1 is a kind of microprocessor of low-power consumption, using model STM32L152's
Microprocessor.
In the present embodiment, the RS232 interface 4 is 9 stitch serial ports.
In the present embodiment, as shown in figure 4, the wireless telecommunications module 2 uses NB-IoT communication module groups, the NB-IoT
Communication module group is model BC95 arrowband Internet of Things（NB-IoT）Module.As one of optional embodiment, such as Fig. 5 institutes
Show, LoRa or eMTC communication module groups can also be used to substitute the NB-IoT communication module groups.
As shown in Figures 2 and 3, the switching capacity charge pump voltage conversion circuit 501 includes the change of charge-pump type voltage
Parallel operation chip U1, diode D1, zener diode D2, electric capacity C1, storage capacitor C2, resistance R1 and resistance R2；The charge pump
Type voltage changer chip U1 C1+ pins are connected with the electric capacity C1 respectively with C1- pins, the charge-pump type voltage transformation
Device chip U1 LV pins, SHDN pins and GND pins are connected with the 5th pin GND pins of the RS232 interface 4；The electric charge
Pump-type voltage changer chip U1 OUT pins and FC pins is connected, and with diode D1, zener diode D2 anode and storage
Energy electric capacity C2 negative terminal is connected, the 3rd pin TXD pins of the diode D1 negative terminal connection RS232 interface 4 and the one of resistance R1
End, the positive termination GND of the resistance R1 other end, zener diode D2 negative terminal and storage capacitor C2, the RS232 interface 4
2nd pin RXD pin connecting resistances R2 one end, resistance R2 another termination GND；The charge-pump type voltage changer chip U1's
VDD pin output voltages VCC, the output voltage VCC connections LDO mu balanced circuits 502.
In the present embodiment, Fig. 3 is seen, the LDO mu balanced circuits 502 include LDO chips U2, filter capacitor E2, C2, E3
And C4, filter capacitor E2, C2, E3 and C4 one end ground connection, filter capacitor E2 C2 other ends connection LDO chips U2 VIN pipes
Pin, filter capacitor E3 connect LDO chips U2 OUT pins, LDO chips U2 GND pins ground connection, LDO chips U2 OUT with C4
Pin output+3.3VDC voltages, for being powered for the single-chip microcomputer 1 and associated peripheral circuits.
One of in the present embodiment, the storage capacitor C2 is a kind of electrochemical capacitor of Large Copacity, alternatively,
The storage capacitor C2 also substitutes the electrochemical capacitor of Large Copacity using super capacitor.
In the present embodiment, when carrying out serial communication, the storage capacitor C2 carries out energy storage, and in the Zener diode
Pipe D2 both ends obtain a metastable voltage, input the charge-pump type voltage changer chip U1.The charge pump
Type voltage changer chip U1 OUT pins and the input voltage at GND pins both ends are negative voltage, are become by charge-pump type voltage
Parallel operation chip U1 voltage multiplication and reversely, the voltage of the VDD pins of charge-pump type voltage changer chip U1 output is
Positive voltage VCC.The positive voltage VCC passes through the filtering and decompression of the LDO mu balanced circuits 502,3.3VDC voltages is exported, for institute
State single-chip microcomputer 1 and energy supply is provided.The single-chip microcomputer 1 during inoperative in a dormant state or state of stopping power supply, electric current
Loss only has several uA or no current loss.
In the present embodiment, the utility model during RS232 serial communications by obtaining power supply, it is not necessary to volume
Outer offer power supply adaptor, than common various AccessPorts or conversion equipment using more convenient, cost is low；Can will production and
The serial communication of debugging process is researched and developed, wired with wirelessly substituting, debugging is convenient；With reference to communication indicator lamp instruction, communication state ratio
It is more directly perceived；Whole equipment can be designed to that very little is skilful, plug and play, and practicality is very strong.
The utility model preferred embodiment is the foregoing is only, only to illustrate technical concepts and features of the present utility model,
Its object is to allow person skilled in the art to understand content of the present utility model and implement accordingly, but can not be with this
Limit the scope of protection of the utility model.All equivalent changes and modifications done according to present utility model application the scope of the claims, all should
Belong to the utility model covering scope.
Claims (7)
1. a kind of passive low-consumption wireless serial port debugger, it is characterised in that including single-chip microcomputer（1）, and with the single-chip microcomputer
（1）The wireless telecommunications module of connection（2）, UART interface circuit（3）, electric power management circuit（5）, communication indicator unit（6）And
Memory cell（7）；
The UART interface circuit（3）With the RS232 interface of computer（4）Connection, for receiving and dispatching serial communication data；
The RS232 interface（4）With the electric power management circuit（5）Connection, the RS232 interface（4）Carrying out data communication
When be synchronously the electric power management circuit（5）Control source, the electric power management circuit are provided（5）Include switching capacity charging
Pump voltage change-over circuit（501）, LDO mu balanced circuits（502）；
The electric power management circuit（5）Respectively described single-chip microcomputer（1）, the wireless telecommunications module（2）, UART interface electricity
Road（3）, the communication indicator unit（6）And the memory cell（7）Power supply；
Communication data on computer is from the RS232 interface（4）Transmit to the UART interface circuit（3）, by the UART
Interface circuit（3）Become Transistor-Transistor Logic level after being changed and input the single-chip microcomputer（1）, most afterwards through the wireless telecommunications module（2）With
Wireless communication mode externally transmits；
The communication indicator unit（6）State instruction during for serial communication and wireless telecommunications.
A kind of 2. passive low-consumption wireless serial port debugger according to claim 1, it is characterised in that the switch electricity
Capacity charge pump voltage change-over circuit（501）Include charge-pump type voltage changer chip U1, diode D1, zener diode
D2, electric capacity C1, storage capacitor C2, resistance R1 and resistance R2；The C1+ pins of the charge-pump type voltage changer chip U1 with
C1- pins are connected with the electric capacity C1 respectively, the LV pins of the charge-pump type voltage changer chip U1, SHDN pins and
GND pins and the RS232 interface（4）The 5th pin GND pins connection；The OUT of the charge-pump type voltage changer chip U1
Pin and FC pins are connected, and are connected with diode D1, zener diode D2 anode and storage capacitor C2 negative terminal, diode
D1 negative terminal connects the RS232 interface（4）The 3rd pin TXD pins and resistance R1 one end, resistance the R1 other end, Zener
Diode D2 negative terminal and storage capacitor C2 positive termination GND, the RS232 interface（4）The 2nd pin RXD pin connecting resistances R2
One end, resistance R2 another termination GND；The VDD pin output voltage VCC of the charge-pump type voltage changer chip U1,
The output voltage VCC connections LDO mu balanced circuits（502）.
A kind of 3. passive low-consumption wireless serial port debugger according to claim 2, it is characterised in that the energy storage electricity
It is a kind of electrochemical capacitor of Large Copacity to hold C2.
A kind of 4. passive low-consumption wireless serial port debugger according to claim 2, it is characterised in that the charge pump
Type voltage changer chip U1 OUT pins and the input voltage at GND pins both ends are negative voltage, and the charge-pump type voltage becomes
The voltage of parallel operation chip U1 VDD pins output is output positive voltage VCC.
A kind of 5. passive low-consumption wireless serial port debugger according to claim 1, it is characterised in that the single-chip microcomputer
（1）It is a kind of microprocessor of low-power consumption（MCU）.
A kind of 6. passive low-consumption wireless serial port debugger according to claim 1, it is characterised in that the RS232
Interface（4）For 9 stitch or the serial ports of 25 stitch.
A kind of 7. passive low-consumption wireless serial port debugger according to claim 1, it is characterised in that the channel radio
Interrogate module（2）Can be one of LoRa/NB-IoT/eMTC communication module groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721088203.6U CN207216605U (en) | 2017-08-29 | 2017-08-29 | A kind of passive low-consumption wireless serial port debugger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721088203.6U CN207216605U (en) | 2017-08-29 | 2017-08-29 | A kind of passive low-consumption wireless serial port debugger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207216605U true CN207216605U (en) | 2018-04-10 |
Family
ID=61825347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721088203.6U Expired - Fee Related CN207216605U (en) | 2017-08-29 | 2017-08-29 | A kind of passive low-consumption wireless serial port debugger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207216605U (en) |
-
2017
- 2017-08-29 CN CN201721088203.6U patent/CN207216605U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |