CN109640282A - A kind of sensor signal wireless transmitting system and method - Google Patents
A kind of sensor signal wireless transmitting system and method Download PDFInfo
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- CN109640282A CN109640282A CN201811346383.2A CN201811346383A CN109640282A CN 109640282 A CN109640282 A CN 109640282A CN 201811346383 A CN201811346383 A CN 201811346383A CN 109640282 A CN109640282 A CN 109640282A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of sensor signal wireless transmitting system and methods, including sensor signal wireless transmission instrument, radio network gateway and background monitoring system；Obtained data packet is uploaded to radio network gateway for acquiring sensing data, carrying out protocol conversion and encryption packing to sensing data by the sensor signal wireless transmission instrument；The radio network gateway is used to the data packet received uploading to background monitoring system；Then the background monitoring system is analyzed resulting sensing data, and carry out early warning based on the analysis results for unpacking to be decrypted to data packet.The present invention is separately positioned by the way that sensor signal is wirelessly transferred instrument, radio network gateway and background monitoring system, and the shortcomings that applying wireless communication technique, avoiding difficult wiring, so that the acquisition and transmission of sensor signal are relatively reliable, system Construction cost is reduced, construction period is reduced.The present invention is widely used in information technology field.
Description
Technical field
The present invention relates to information technology field, especially a kind of sensor signal wireless transmitting system and method.
Background technique
In recent years, popularizing with Internet of Things, sensor using more and more extensive.Many sensors are from host computer
Distant, signal transmssion line is long, and signal is caused to be decayed during transmission, or even is disturbed during transmission,
To influence the stabilization of system.In addition wire transmission increases difficult wiring, leads to long construction period, increases system Construction cost.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the invention is that providing a kind of sensor signal wireless transmitting system.
First technical solution adopted by the present invention is:
A kind of sensor signal wireless transmitting system, including sensor signal wireless transmission instrument, radio network gateway and backstage are supervised
Control system；The sensor signal wireless transmission instrument is connected to sensor, and the sensor signal wireless transmission instrument passes through wireless
Gateway is connect with background monitoring system；The sensor signal wireless transmission instrument is for acquiring sensing data, to sensor number
It is packaged according to protocol conversion and encryption is carried out, and obtained data packet is uploaded into radio network gateway；The radio network gateway will be for that will connect
The data packet received uploads to background monitoring system；The background monitoring system is for being decrypted unpacking to data packet, then
Resulting sensing data is analyzed, and carries out early warning based on the analysis results.
Further, the sensor signal wireless transmission instrument includes control module, radio-frequency module, sensor interface mould
Block, power management module, the first DC-DC module and the second DC-DC module；
The control module is connect with radio-frequency module, power management module and sensor interface module respectively；The radio frequency
Module is for sending and receiving wireless signal；The sensor interface module is for being connected to sensor；
The power management module is connect with the first DC-DC module and the second DC-DC module respectively；First DC-DC
Module is connected to primary power cource, and second DC-DC module is connected to backup power source；
The power management module is used under the powering mode that control module is set, to radio-frequency module and sensor interface
Module for power supply.
Further, the powering mode include primary power cource continued power mode, primary power cource suspend mode powering mode and
Backup power source suspend mode powering mode；
Under the primary power cource continued power mode, power management module connects the first DC-DC module and to radio frequency mould
Block and sensor interface module continued power；
Under the primary power cource suspend mode powering mode, when not receiving the trigger signal of control module, power management
Module is suspended to radio-frequency module and sensor interface module power supply, when receiving the trigger signal of control module, power management
Module connects the first DC-DC module and powers to radio-frequency module and sensor interface module；
Under the backup power source suspend mode powering mode, when not receiving the trigger signal of control module, power management
Module is suspended to radio-frequency module and sensor interface module power supply, when receiving the trigger signal of control module, power management
Module connects the second DC-DC module and powers to radio-frequency module and sensor interface module.
Further, the sensor interface module includes voltage-type interface unit, current mode interface unit and serial ports type
Interface unit, the voltage-type interface unit, current mode interface unit and serial ports type interface unit are connect with control module；Institute
Voltage-type interface unit is stated for being connected to voltage output type sensor, the current mode interface unit is defeated for being connected to electric current
Type sensor out, the serial ports type interface unit is for being connected to serial ports output type sensor.
Further, the voltage-type interface unit includes the first controlled source end, first voltage end of convert and the first electricity
Flow end of convert, first controlled source end, first voltage end of convert and the first electric current end of convert is used to and voltage output type
The corresponding ports of sensor connect；
The current mode interface unit includes the second controlled source end, second voltage end of convert and the second electric current end of convert,
Second controlled source end, second voltage end of convert and the second electric current end of convert are used to pair with current-output type sensor
Port is answered to connect；
The serial ports type interface unit includes serial ports input terminal, and the serial ports input terminal is used for and serial ports output type sensor
Corresponding ports connection.
Further, the control module is configured as: within the same time with voltage-type interface unit, current mode interface
Unit is connected with any two in serial ports type interface unit.
Further, the radio-frequency module includes bluetooth unit, LORA unit and GSM unit, the bluetooth unit, LORA
Unit and GSM unit are connect with control module.
Further, the radio-frequency module is used under the communication pattern that control module is set, and passes through bluetooth unit, LORA
At least one of unit and GSM unit send and receive wireless signal.
Further, the control module is set by communication pattern of the following steps to radio-frequency module:
Detect the communication distance of radio-frequency module and radio network gateway；
According to the communication distance determination unit to be enabled；
Corresponding communication pattern is determined according to the unit to be enabled, and configures the communication pattern for radio-frequency module.
Second technical solution adopted by the present invention is:
A kind of sensor signal radio transmitting method, comprising the following steps:
Acquire sensing data；
Protocol conversion is carried out to sensing data and encryption is packaged；
It uploads and is packaged resulting data packet by protocol conversion and encryption；
Unpacking is decrypted to data packet, then resulting sensing data is analyzed；
Early warning is carried out based on the analysis results.
The beneficial effects of the present invention are: present system can easily be applied to shipping robot, assembly manipulator
Etc. there are moving component, be difficult in the working environment for carrying out the difficulty such as entity wiring.The present invention will be by that will be used to acquire sensor
The sensor signal wireless transmission instrument of data, the radio network gateway for playing signal relaying action and background monitoring system are separately positioned,
And the shortcomings that applying wireless communication technique, avoiding difficult wiring, subtracts so that the acquisition and transmission of sensor signal are relatively reliable
Few system Construction cost, reduces construction period.
Detailed description of the invention
Fig. 1 is inventive sensor signal wireless transmission system schematic diagram；
Fig. 2 is that inventive sensor signal is wirelessly transferred instrument structural block diagram.
Specific embodiment
Sensor signal wireless transmitting system, referring to Fig.1, including sensor signal wireless transmission instrument, radio network gateway and after
Platform monitoring system；The sensor signal wireless transmission instrument is connected to sensor, and the sensor signal wireless transmission instrument passes through
Radio network gateway is connect with background monitoring system；The sensor signal wireless transmission instrument is for acquiring sensing data and uploading to
Radio network gateway；The radio network gateway is used to the sensing data received uploading to background monitoring system；The background monitoring
System carries out early warning for analyzing sensing data based on the analysis results.
The sensor signal wireless transmission instrument includes control module, radio-frequency module, sensor interface module, power management
Module, the first DC-DC module and the second DC-DC module；Preferably, radio-frequency module may include bluetooth unit, LORA unit and
GSM unit, GSM unit can be GSM 3G/4G compatible unit；Control module can choose wherein one or more units, will
It is sent by the collected sensing data of sensor interface module.Correspondingly, referring to Fig.1, radio network gateway may include
Bluetooth Receiver, LORA receiver and the base station GSM, they respectively in radio-frequency module bluetooth unit, LORA unit and GSM it is mono-
Member is corresponding, so that radio network gateway receives corresponding signal.
Referring to Fig.1, background monitoring system can be built by database, server, interchanger and terminal etc.,
Background monitoring system substantially belongs to a local area network, can receive the sensor that radio network gateway is sent by server
Data, and sensing data is analyzed and shown by terminal.Background monitoring system can be according to sensor
The analysis result of data carries out early warning, specifically: when judging the data exception of some sensor, link warning system, to
Staff's signal an alert.
In actual production environment, sensor is typically mounted on the positions such as robot or assembly line, and sensor signal
Wireless transmission instrument may be mounted at sensor proximity, such as be mounted on uniform machinery people with sensor, so that sensor signal
Good communication can be carried out with sensor by being wirelessly transferred instrument.Radio network gateway may be mounted at the fixation position of workshop, a nothing
Gauze, which closes, to be wirelessly transferred instrument cooperating with multiple sensor signals simultaneously.Background monitoring system may be mounted at distal end.
It is to be wirelessly connected between sensor signal wireless transmission instrument and radio network gateway, this allows the system in the present embodiment very square
Just be applied to shipping robot, assembly manipulator etc. there are moving component, be difficult to carry out the building ring of the difficulty such as entity wiring
In border.
Sensor signal wireless transmitting system in the present embodiment, will be used to acquire the sensor signal of sensing data without
Line transmission instrument, the radio network gateway for playing signal relaying action and background monitoring system are separately positioned, and apply wireless communication technique,
The shortcomings that avoiding difficult wiring, it is possible to reduce system Construction cost reduces construction period.
Fig. 2 is the structural block diagram that sensor signal is wirelessly transferred instrument in the present invention, as shown in Figure 2:
The control module is connect with radio-frequency module, power management module and sensor interface module respectively；The radio frequency
Module is for sending and receiving wireless signal；The sensor interface module is for being connected to sensor；
The power management module is connect with the first DC-DC module and the second DC-DC module respectively；First DC-DC
Module is connected to primary power cource, and second DC-DC module is connected to backup power source；
The power management module is used under the powering mode that control module is set, to radio-frequency module and sensor interface
Module for power supply.
In the present embodiment, the function of the first DC-DC module and the second DC-DC module is by electricity provided by DC power supply
Pressure is converted into suitable DC voltage, to power to the electricity consumptions device such as control module, sensor interface module and radio-frequency module.
Second DC-DC module can be set as spare using the first DC-DC module as primary.Power management module to control module into
Row continued power, and the powering mode that power management module can be set according to control module, to sensor interface module and are penetrated
Frequency module carries out various forms of power supplies.
Preferably, the powering mode specifically includes primary power cource continued power mode, primary power cource suspend mode powering mode
With backup power source suspend mode powering mode；
Under the primary power cource continued power mode, power management module connects the first DC-DC module and to radio frequency mould
Block and sensor interface module continued power；
Under the primary power cource suspend mode powering mode, when not receiving the trigger signal of control module, power management
Module is suspended to radio-frequency module and sensor interface module power supply, when receiving the trigger signal of control module, power management
Module connects the first DC-DC module and powers to radio-frequency module and sensor interface module；
Under the backup power source suspend mode powering mode, when not receiving the trigger signal of control module, power management
Module is suspended to radio-frequency module and sensor interface module power supply, when receiving the trigger signal of control module, power management
Module connects the second DC-DC module and powers to radio-frequency module and sensor interface module.
Under primary power cource continued power mode, sensor signal is wirelessly transferred all circuits in instrument all in energization work
Make state.
Under the primary power cource suspend mode powering mode, only in the trigger signal for receiving control module, power supply pipe
Reason module just connects the first DC-DC module and powers to radio-frequency module and sensor interface module, is not receiving control module
Trigger signal when, radio-frequency module and sensor interface module are in cold idle state.
Under the backup power source suspend mode powering mode, only in the trigger signal for receiving control module, power supply pipe
Reason module just connects the second DC-DC module and powers to radio-frequency module and sensor interface module, is not receiving control module
Trigger signal when, radio-frequency module and sensor interface module are in cold idle state.
The trigger signal is that control module is issued when needing to start radio-frequency module and sensor interface module.It is primary
Power supply suspend mode powering mode and backup power source suspend mode powering mode can not need starting radio-frequency module and sensor interface mould
Suspend when block to radio-frequency module and sensor interface module power supply, so that sensor signal wireless transmission instrument is in low-power consumption shape
State improves the cruising ability of sensor signal wireless transmission instrument.When control module needs to start radio-frequency module and sensor interface
Radio-frequency module and sensor interface module can be waken up when module immediately.
It is further used as preferred embodiment, the sensor interface module includes voltage-type interface unit, current mode
Interface unit and serial ports type interface unit, the voltage-type interface unit, current mode interface unit and serial ports type interface unit are equal
It is connect with control module；The voltage-type interface unit is for being connected to voltage output type sensor, the current mode interface list
Member is for being connected to current-output type sensor, and the serial ports type interface unit is for being connected to serial ports output type sensor.
By the way that three kinds of interface units are arranged, sensor signal wireless transmission instrument can be adapted to existing various types of sensings
Device.
Preferably, the control module is configured as: within the same time with voltage-type interface unit, current mode interface list
Member is connected with any two in serial ports type interface unit.Setting in this way, sensor signal wireless transmission instrument can prop up
It holds two-way sensor while inputting.
Preferably, the input voltage range of voltage-type interface unit, current mode interface unit and serial ports type interface unit is
0-10V, input current range are 0-20mA.
Preferably, the included over-voltage and over-current of voltage-type interface unit, current mode interface unit and serial ports type interface unit is protected
Protection circuit.
It is further used as preferred embodiment:
The voltage-type interface unit includes the first controlled source end, first voltage end of convert and the first electric current end of convert,
First controlled source end, first voltage end of convert and the first electric current end of convert are used to pair with voltage output type sensor
Port is answered to connect；
The current mode interface unit includes the second controlled source end, second voltage end of convert and the second electric current end of convert,
Second controlled source end, second voltage end of convert and the second electric current end of convert are used to pair with current-output type sensor
Port is answered to connect；
The serial ports type interface unit includes serial ports input terminal, and the serial ports input terminal is used for and serial ports output type sensor
Corresponding ports connection.
It is further used as preferred embodiment, the radio-frequency module is used under the communication pattern that control module is set,
Wireless signal is sended and received by least one of bluetooth unit, LORA unit and GSM unit.In the present embodiment, exist
Independent LORA communication, independent Bluetooth communication, independent gsm communication, LORA+ Bluetooth communication, LORA+GSM communication, bluetooth+gsm communication
With the plurality of communication schemes such as LORA+ bluetooth+gsm communication.
It is further used as preferred embodiment, the control module is by following steps to the communication pattern of radio-frequency module
It is set:
Detect the communication distance of radio-frequency module and radio network gateway；
According to the communication distance determination unit to be enabled；
Corresponding communication pattern is determined according to the unit to be enabled, and configures the communication pattern for radio-frequency module.
Communication for short distance can choose Bluetooth RF operating mode, can pass through cell phone application real time inspection system
Acquisition data, can find the problem, remove a hidden danger in time.
When system deployment is in remoter or range of the distance more than 2000 meters, can using the function of GSM-3G/4G,
The mode removes the deployment of grid from, and construction is simple, while supporting movement, connection, electric wire standard card, as long as there is network license
SIM card can be carried out network communication.
When data collection terminal from monitoring client in the range of 50-2000 meters, Lora communication pattern can be opened.The mode is adopted
With spread spectrum communication mode, it can be effective against interference, while using AES128 communication encryption algorithm, the data of transmission is allowed more to pacify
It is complete reliable.Lora is low in energy consumption, and communication distance is remote, while supporting ad hoc network, easy to maintain.
LoRa is a kind of novel based on 1GHz ultra long haul low power consumption data transmission technology below (Long Range, letter
Claim LoRa).It receives-the 148dbm that sensitivity has reached surprising, compared with the sub-GHz chip of other advanced levels of industry,
Highest receiving sensitivity improves 20db or more, which ensure that network connection reliability.
It uses linear frequency modulation spread spectrum modulation technique, that is, maintains as FSK (frequency shift keying) modulates identical low-power consumption spy
Property, and significantly increase communication distance, while improving network efficiency and eliminating interference, i.e., the terminal of different frequency expansion sequences
Concentrator/the gateway that will not be interfered with each other being sent simultaneously using identical frequency, therefore research and develop on this basis
(Concentrator/Gateway) data that can receive and process multiple nodes parallel, greatly expand power system capacity.
Linear spread spectrum has used many decades in military and space communication field because its may be implemented long communication distance and
The robustness of interference, and LoRa is first being realized with a low cost for commercial use.With the introducing of LoRa, embedded radio
Thorough change has occurred in the situation of the communications field.This technology changes to be considered about the compromise of transmission range and power consumption in the past
Mode provides one kind and is simply able to achieve remote, long battery life, large capacity, low cost communication system.
LORA network protocol supports broadcast mode and answer-mode, while supporting the configuration of+4 byte of 12 byte fixed password close
Code.The byte of device address 2 supports 0-65535 equipment.There are two data channel, the data that equipment is sent are passed by encryption
It is defeated, while carrier sense is carried out before sending, the system of detecting has other equipment when sending, cut-in stand-by channel.Such as
Fruit alternate channel also has equipment sending out, then continuous to monitor 3 seconds, if the idle failure of monitoring in 3 seconds, equipment enters suspend mode, and repairs
Change normal sleep times to send failure sleeping time, allows equipment to fail sleeping time quickly in the transmission of setting, again
It sends.
Preferably, the control module can also be according to the signal strength of each unit, by following steps to radio-frequency module
Communication pattern set:
Detect the signal strength of bluetooth unit, LORA unit and GSM unit；
According to the signal strength determination unit to be enabled；
Corresponding communication pattern is determined according to the unit to be enabled, and configures the communication pattern for radio-frequency module.
Preferably, can by bluetooth unit, LORA unit and GSM unit in signal intensity more than respective communication protocol close
The unit of lattice threshold value is determined as the unit to be enabled, can also according to respective signal strength to bluetooth unit, LORA unit and
The present communications quality of GSM unit is graded, one or two the highest unit that will wherein grade is confirmed as the list to be enabled
Member.
For example, video module is configured independent bluetooth by control module when determining bluetooth unit is the unit to be enabled
Communication pattern；When determining LORA unit and GSM unit is the unit to be enabled, video module is configured LORA by control module
+ gsm communication mode.
And according to communication distance, signal strength to communication pattern carry out flexible configuration, can make full use of bluetooth,
The advantages of tri- kinds of different agreements of LORA and GSM.
The invention also discloses a kind of sensor signal radio transmitting method, each step of the method can use respectively
Each component of the system executes, and one of corresponding relationship is as follows:
It acquires sensing data: instrument being wirelessly transferred by sensor signal and is executed；
Protocol conversion is carried out to sensing data and encryption is packaged: instrument being wirelessly transferred by sensor signal and is executed；
Upload is packaged resulting data packet by protocol conversion and encryption: by sensor signal wireless transmission instrument and wirelessly
Gateway executes；
Unpacking is decrypted to data packet, then resulting sensing data is analyzed: passing through background monitoring system
It executes；
Early warning is carried out based on the analysis results: being executed by background monitoring system.
It is to be illustrated to preferable implementation of the invention, but the implementation is not limited to the invention above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of sensor signal wireless transmitting system, which is characterized in that be wirelessly transferred instrument, radio network gateway including sensor signal
And background monitoring system；The sensor signal wireless transmission instrument is connected to sensor, and the sensor signal is wirelessly transferred instrument
It is connect by radio network gateway with background monitoring system；Sensor signal wireless transmission instrument is for acquiring sensing data, right
Sensing data carries out protocol conversion and encryption is packaged, and obtained data packet is uploaded to radio network gateway；The radio network gateway
For the data packet received to be uploaded to background monitoring system；The background monitoring system is for being decrypted solution to data packet
Packet, then analyzes resulting sensing data, and carry out early warning based on the analysis results.
2. a kind of sensor signal wireless transmitting system according to claim 1, which is characterized in that the sensor signal
Wireless transmission instrument includes control module, radio-frequency module, sensor interface module, power management module, the first DC-DC module and the
Two DC-DC modules；
The control module is connect with radio-frequency module, power management module and sensor interface module respectively；The radio-frequency module
For sending and receiving wireless signal；The sensor interface module is for being connected to sensor；
The power management module is connect with the first DC-DC module and the second DC-DC module respectively；First DC-DC module
It is connected to primary power cource, second DC-DC module is connected to backup power source；
The power management module is used under the powering mode that control module is set, to radio-frequency module and sensor interface module
Power supply.
3. a kind of sensor signal wireless transmitting system according to claim 2, which is characterized in that the powering mode packet
Include primary power cource continued power mode, primary power cource suspend mode powering mode and backup power source suspend mode powering mode；
Under the primary power cource continued power mode, power management module connect the first DC-DC module and to radio-frequency module and
Sensor interface module continued power；
Under the primary power cource suspend mode powering mode, when not receiving the trigger signal of control module, power management module
Suspend to radio-frequency module and sensor interface module power supply, when receiving the trigger signal of control module, power management module
It connects the first DC-DC module and powers to radio-frequency module and sensor interface module；
Under the backup power source suspend mode powering mode, when not receiving the trigger signal of control module, power management module
Suspend to radio-frequency module and sensor interface module power supply, when receiving the trigger signal of control module, power management module
It connects the second DC-DC module and powers to radio-frequency module and sensor interface module.
4. a kind of sensor signal wireless transmitting system according to claim 2, which is characterized in that the sensor interface
Module includes voltage-type interface unit, current mode interface unit and serial ports type interface unit, the voltage-type interface unit, electric current
Type interface unit and serial ports type interface unit are connect with control module；The voltage-type interface unit is defeated for being connected to voltage
Type sensor out, the current mode interface unit are used for being connected to current-output type sensor, the serial ports type interface unit
In being connected to serial ports output type sensor.
5. a kind of sensor signal wireless transmitting system according to claim 4, it is characterised in that:
The voltage-type interface unit includes the first controlled source end, first voltage end of convert and the first electric current end of convert, described
First controlled source end, first voltage end of convert and the first electric current end of convert are used to the corresponding end with voltage output type sensor
Mouth connection；
The current mode interface unit includes the second controlled source end, second voltage end of convert and the second electric current end of convert, described
Second controlled source end, second voltage end of convert and the second electric current end of convert are used to the corresponding end with current-output type sensor
Mouth connection；
The serial ports type interface unit includes serial ports input terminal, and the serial ports input terminal is for pair with serial ports output type sensor
Port is answered to connect.
6. a kind of sensor signal wireless transmitting system according to claim 5, which is characterized in that the control module quilt
It is configured that within the same time and any two in voltage-type interface unit, current mode interface unit and serial ports type interface unit
A connection.
7. according to a kind of described in any item sensor signal wireless transmitting systems of claim 2-6, which is characterized in that described to penetrate
Frequency module includes bluetooth unit, LORA unit and GSM unit, the bluetooth unit, LORA unit and GSM unit with control mould
Block connection.
8. a kind of sensor signal wireless transmitting system according to claim 7, which is characterized in that the radio-frequency module is used
In under the communication pattern that control module is set, received by least one of bluetooth unit, LORA unit and GSM unit and
Send wireless signal.
9. a kind of sensor signal wireless transmitting system according to claim 8, which is characterized in that the control module is logical
Following steps are crossed to set the communication pattern of radio-frequency module:
Detect the communication distance of radio-frequency module and radio network gateway；
According to the communication distance determination unit to be enabled；
Corresponding communication pattern is determined according to the unit to be enabled, and configures the communication pattern for radio-frequency module.
10. a kind of sensor signal radio transmitting method, which comprises the following steps:
Acquire sensing data；
Protocol conversion is carried out to sensing data and encryption is packaged；
It uploads and is packaged resulting data packet by protocol conversion and encryption；
Unpacking is decrypted to data packet, then resulting sensing data is analyzed；
Early warning is carried out based on the analysis results.
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Application publication date: 20190416 |