CN108827381A - A kind of miniature electronic devices of Embedded measurable blow-off line multi-parameter - Google Patents
A kind of miniature electronic devices of Embedded measurable blow-off line multi-parameter Download PDFInfo
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- CN108827381A CN108827381A CN201810578248.4A CN201810578248A CN108827381A CN 108827381 A CN108827381 A CN 108827381A CN 201810578248 A CN201810578248 A CN 201810578248A CN 108827381 A CN108827381 A CN 108827381A
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- measurement data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
Abstract
The application discloses a kind of miniature electronic devices of Embedded measurable blow-off line multi-parameter, it is related to communication technique field, it is designed using streamlined embedded enclosure, including power supply, single-chip microcontroller, diaphragm pressure sensor, water flow sensor, turbidity water quality sensor, Transistor-Transistor Logic level signal processing module, wireless communication module, RS485 wire communication module；The measurement data of diaphragm pressure sensor, water flow sensor, turbidity water quality sensor is wirelessly sent to mobile terminal by wireless communication module by the present apparatus, or measurement data is sent to ground stake by the way that RS485 wire communication module is wired, so that the sensor measurement data received is sent to background server by LoRa wireless communication networks or NB-IoT wireless communication networks by ground stake.The application can realize blow-off line measuring instrument measurement multi-parameter, and can with blow-off line synchronous production and merge one, the function of parameter is read finally by smart phone APP.
Description
Technical field
This application involves communication technique field, in particular to a kind of Embedded measurable blow-off line multi-parameter it is miniature
Electronic device.
Background technique
Urban sewage pipe network system is a complexity, the huge network system, since pipeline aging, chronic stress are excessive etc.
Reason, the rupture of underground blow-off line happen occasionally, and carry out periodic detection to blow-off line and viral evaluation is to avoid it that thing occurs
Therefore effective measures.Pipe detection be mainly used for investigate pipeline internal flaw situation with determine whether that pipeline should be repaired with
And how to be repaired.
The measurement of every kind of parameter of blow-off line at present requires respectively special measuring instrument measurement, if necessary to measurement row
Dirty pipeline many kinds of parameters must just install more measuring instruments, however these measuring instruments are incompatible, can exist during installation
Installation is difficult with power supply.
Summary of the invention
The main purpose of the application is to provide a kind of miniature electronic dress of Embedded measurable blow-off line multi-parameter
It sets, respectively special measuring instrument measurement is required to solve the measurement of every kind of parameter of current blow-off line, if necessary to measure
Blow-off line many kinds of parameters must just install more measuring instruments, and then while will cause installation, to have installation difficult with power supply
The technical issues of.
In order to realize application purpose, this application provides the miniature electronic of Embedded measurable blow-off line multi-parameter dresses
It sets, including power supply, single-chip microcontroller, diaphragm pressure sensor, water flow sensor, turbidity water quality sensor, Transistor-Transistor Logic level
(Transistor Transistor Logic) signal processing module, wireless communication module, RS485 wire communication module；
The single-chip microcontroller is sensed with the diaphragm pressure sensor, the water flow sensor, the turbidity water quality respectively
Device is connected；The diaphragm pressure sensor is used to measure the discharge of sewage for measuring sewage pressure, the water flow sensor,
The turbidity water quality sensor is for measuring sewage quality；
The single-chip microcontroller is wired with the wireless communication module, RS485 respectively by TTL processing level signal module
Communication module is connected；The single-chip microcontroller is used for the diaphragm pressure sensor, the water flow sensor, the Turbidity Water
The measurement data of matter sensor is wirelessly sent to mobile terminal by the wireless communication module, or the measurement data is passed through
The RS485 wire communication module is wired to be sent to the ground stake, so that ground stake passes through LoRa radio communication network
Described in network or Internet of Things (Narrow Band Internet of Things, NB-IoT) wireless communication networks will receive
Measurement data is sent to background server；
The power supply provides electric power for the miniature electronic devices, the power supply include lithium battery and respectively with the lithium electricity
Solar recharging module that pond is connected, wireless charging module.
Preferably, the Transistor-Transistor Logic level signal processing module includes MAX1487 chip, APC320 is wireless submodule, described
Transistor-Transistor Logic level signal processing module is used to that the Transistor-Transistor Logic level signal of the measurement data to be converted to institute by the MAX1487 chip
The RS485 level signal that RS485 wire communication module can identify is stated, and will be measured by the wireless submodule of the APC320
The Transistor-Transistor Logic level signal of data is converted to the wireless signal that the wireless communication module can identify.
Preferably, the wireless charging module includes sequentially connected concussion coil, bridge rectifier, Charge Management mould
Block, the wireless charging module receive the radio signal that wireless charging transmitting terminal is sent, and successively by the concussion coil,
The bridge rectifier, the charge management module reach the lithium battery and realize wireless charging；
The wireless charging transmitting terminal includes WH820 wireless charging semiconductor original part, power supply adaptor, bridge-type driving electricity
Road, current detection feedback module, concussion coil；The WH820 wireless charging semiconductor original part respectively with the power supply adaptor,
The bridge drive circuit, the current detection feedback module are connected；The bridge drive circuit also with the concussion coil
Connection；The WH820 wireless charging semiconductor original part is sent by the bridge drive circuit using the concussion coil wireless
Electric signal.
Preferably, the miniature electronic devices further include collecting sensor signal circuit, and the single-chip microcontroller passes through the biography
Sensor signal Acquisition Circuit respectively with the diaphragm pressure sensor, the water flow sensor, the turbidity water quality sensor
It is connected；
The collecting sensor signal circuit is used for the diaphragm pressure sensor, water flow sensor, described
The collected signal of turbidity water quality sensor is sent into the single-chip microcontroller after reverse phase ratio enlargement and is read out data.
Preferably, the ground stake includes antenna, the radio module comprising radio frequency chip SX1278, main control board；
The main control board is in the instruction for being used to obtain the measurement data for receiving the background server transmission
When signal, the measurement data that the ground staking receives is sent to the background service by LoRa wireless communication networks
Device；
Wherein, the finger that the super low-power consumption processor on the main control board passes over the radio module
It enables signal carry out parsing identification, is compared with Self address；If inconsistent with Self address, do not deal with；If with itself
Address is consistent, then the measurement data received the ground staking is response to the radio module, using the day
Line sends the background server to using LoRa wireless communication mode.
Preferably, the ground stake further includes NB-IoT wireless communication module, and the NB-IoT wireless communication module uses
Mobile integrated eSIM card connection communication, the corresponding NB-IOT for realizing the measurement data of the NB-IoT wireless communication module is wireless
Communication network is sent.
Preferably, the ground further includes：Data storage；The super low-power consumption processor is also used to the ground
The measurement data that staking receives is stored in the data storage, and expired data are cleared up in timing.
Preferably, the miniature electronic devices further include sensing respectively with the diaphragm pressure sensor, the water flow
The Transducer fault detection module that device, the turbidity water quality sensor are connected, the Transducer fault detection module also with institute
State single-chip microcontroller connection；The Transducer fault detection module is used to detect the sensor to break down and returns to fault-signal
The single-chip microcontroller, from the single-chip microcontroller to the fault message of ground stake Real-time Feedback sensor.
Preferably, the ground stake further includes real-time clock module and liquid crystal display, and the liquid crystal display is for showing the reality
When clock module record real time clock information and the ground stake real-time reception measurement data and the failure that arrive
Information.
Preferably, the ground stake further includes repeater RSSI (Received Signal Strength
Indication) the acquisition module of value, the module that obtains are used to obtain the RSSI value of repeater, so as to the ground stake to
When the background server transmits the measurement data, according to the RSSI value select the strongest repeater of wireless signal strength into
The transmission of row data.
The miniature electronic devices of the Embedded measurable blow-off line multi-parameter of one kind provided by the present application, at present if you need to
The many kinds of parameters of measurement blow-off line must install more respective special measuring instruments and compare, this miniature electronic devices is integrated with
The sensor of many kinds of parameters detection, realizes that an equipment can detect sewage pressure, flow, water quality many kinds of parameters simultaneously, and adopt
With embedded stream pipeline type design, it can be embedded in the present apparatus in production pipeline, exempt from independent construction and installation, set using low-power consumption
Meter solves installation existing in the prior art and power supply difficult problem.The present apparatus and ground stake are communicated by RS485, ground
Stake is powered by solar charging power technology or wireless charging technology.Simultaneously ground stake with background server by NB-IOT network into
Row data exchange, and then mobile terminal APP remote read-write data may be implemented.
Detailed description of the invention
Fig. 1 is one of the embodiment of the present application miniature electronic devices of Embedded measurable blow-off line multi-parameter
Structural schematic diagram；
Fig. 2 is the example schematic that sensing data is acquired in the embodiment of the present application；
Fig. 3 is the example signal that Transistor-Transistor Logic level signal converts RS485 level signal or wireless signal in the embodiment of the present application
Figure；
Fig. 4 is the example schematic of wireless charging receiving terminal part in the embodiment of the present application；
Fig. 5 is the example schematic that wireless charging sends end part in the embodiment of the present application；
Fig. 6 is the circuit diagram of solar recharging module in the embodiment of the present application.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
It should be appreciated that specific embodiment described herein is used only for explaining the application, it is not used to limit the application.
In order to solve that more respective special surveys must be installed if you need to measure many kinds of parameters of blow-off line in the prior art
Measuring appratus, and then will be installed the technical problem difficult with power supply.The embodiment of the present application provides a kind of Embedded measurable row
The miniature electronic devices of dirty pipeline multi-parameter, as shown in Figure 1, for the structural representation of miniature electronic devices in the embodiment of the present application
Figure, the present apparatus includes power supply 11, single-chip microcontroller 12, diaphragm pressure sensor 13, water flow sensor 14, turbidity water quality sensor
15, Transistor-Transistor Logic level signal processing module 16, wireless communication module 17, RS485 wire communication module 18.
Wherein, single-chip microcontroller 12 respectively with diaphragm pressure sensor 13, water flow sensor 14,15 phase of turbidity water quality sensor
Connection；Diaphragm pressure sensor 13 is for measuring sewage pressure, and water flow sensor 14 is for measuring the discharge of sewage, turbidity water quality
Sensor 15 is for measuring sewage quality.
For the present embodiment, touch/pressure measurement sensor is can be used in diaphragm pressure sensor 13, easy to use, quasi-
Really, small in size, it is easily integrated into various utilizations, soft crimpiness and durability are applicable to a variety of different installations
Environment, the conditional place in some pairs of measurement spaces are coarse stupid with the advantage substitution that light micro volume High Linear etc. is difficult substitution
The LOADCELL force snesor of weight.Existing state-of-the art FlexiForce diaphragm pressure sensor can also be directlyed adopt.
Water flow sensor 14 is mainly made of copper valve body, water flow rotor component, current stabilization component and Hall element, works as water flow
When crossing rotor assembly, magnet rotor rotation, and revolving speed is with the linear variation of flow.
Specifically when light passes through a certain amount of water, the penetration of light depends in the water turbidity water quality sensor 15
The amount of foul object.When the amount of foul increases, the light for penetrating water sample is reduced therewith, the amount light that turbidity transducer measurement penetrates
To calculate the turbidity of washing water.
Single-chip microcontroller 12 by TTL handle level signal module respectively with wireless communication module 17, RS485 wire communication module
18 are connected；Single-chip microcontroller be used for by diaphragm pressure sensor 13, water flow sensor 14, turbidity water quality sensor 15 measurement number
It is wirelessly sent to mobile terminal according to by wireless communication module 17, or the measurement data is passed through into RS485 wire communication module 18
It is wired to be sent to ground stake, so that ground stake will be received by LoRa wireless communication networks or NB-IOT wireless communication networks
To measurement data be sent to background server, achieve that these measurement data of mobile terminal APP remote read-write in this way, and can
It is designed using modular APP, each section can be read in hand-held palm PC (Personal Digital Assistant, PDA)
The ID value of point device.
Power supply 11 provides electric power for this miniature electronic devices, and power supply 11 includes lithium battery and is connected respectively with lithium battery
Solar recharging module, wireless charging module.In the present embodiment, this miniature electronic devices can be matched with ground stake,
Solar recharging and wireless charging are carried out in order to save the space of the present apparatus and facilitate, it can be by the solar recharging mould of power supply 11
Block and wireless charging module configuration are in ground stake side.
In the present embodiment, single-chip microcontroller 12 controls diaphragm pressure sensor 13, water flow sensor 14, turbidity water quality sensing
Device 15 carries out the measurement of sewage pressure, flow, water quality respectively；In view of the increasing of the measurement data signals of these three sensor feedbacks
By force, signal amplification module can accordingly be added, for amplifying the measuring signal of these three sensors and feeding back to single-chip microcontroller 12；
Here it in order to realize the sewage pressure measurement of diaphragm pressure sensor 13, needs in power supply lithium battery to provide negative voltage for it, has
Body flow diagram is as shown in Figure 2.
Miniature electronic devices in the application are easily installed in pipeline using embedded stream pipeline type design；And
The influence of appearance fluid flow rate is minimized, it is convenient accurately to predict Fluid pressure, in concrete application scene, it can be managed in production
It is embedded in the present apparatus when road, exempts from independent construction and installation, can be matched with ground stake, diaphragm pressure is controlled by single-chip microcontroller 12 and is passed
Sensor 13, water flow sensor 14, turbidity water quality sensor 15 carry out respectively sewage pressure, flow, water quality measurement, it can be achieved that
One instrument detects sewage pressure, flow, water quality simultaneously；Then the measurement data is directly wireless by wireless communication module 17
It is sent to the mobile terminal of monitoring data, or the measurement data is sent to ground by the way that RS485 wire communication module 18 is wired
Stake, so that after the measurement data is sent to by ground stake by LoRa wireless communication networks or NB-IOT wireless communication networks
Platform server, stable, reliable RS485 wire communication can at most connect 1000 pieces of electronic devices.The present apparatus can be used low-power consumption and set
Meter is powered with guaranteeing the work of lithium battery reliably and with long-term by solar charging power technology or wireless charging technology.And using more
Interface design, data can realize LoRa wireless signal/NB-IoT/Rs485 interface transmitted in both directions, modular APP design, hand
Holding PDA can be read the ID value of each node apparatus.
Further, as the extension of above-described embodiment and refinement, each portion being related in order to illustrate this miniature electronic devices
Point specific structure, it is preferred that Transistor-Transistor Logic level signal processing module 16 includes MAX1487 chip, APC320 is wireless submodule, TTL
Level signal processing module 16 can be used for that the Transistor-Transistor Logic level signal of the measurement data is converted to the RS485 by MAX1487 chip
The RS485 level signal that wire communication module can identify, and by the wireless submodule of APC320 by the TTL of the measurement data
Level signal is converted to the wireless signal that wireless communication module 17 can identify.
In the present embodiment, need the Transistor-Transistor Logic level signal of measurement data being converted to wireless signal or RS485 level signal,
As shown in figure 3, Transistor-Transistor Logic level signal is converted to RS485 level signal by MAX1487 chip；Or Transistor-Transistor Logic level signal passes through
APC320 is wireless, and submodule converts a signal into wireless signal.For miniature electronic devices provided in this embodiment, can pass through
Wireless mode is directly wirelessly sent to the mobile terminal of monitoring data, or is sent measurement data by wire/wireless mode
Ground stake is given, and then passes to background server by ground stake, so that user can remotely check these by mobile terminal APP
Measurement data facilitates reading data；And carried out data transmission using wired or wireless way, can satisfy different business needs
It asks.
For example, turn RS485 circuit explanation for corresponding TTL, the RXD3 pin of single-chip microcontroller and TXD3 pin respectively with
R with the D pin of MAX1487 is connected, and the I/O pin of single-chip microcontroller controls RE and the DE functional pin of MAX1487 by triode, will
The signal of Transistor-Transistor Logic level is converted into RS485 signal and is output to connecting terminal JP3 pin by the end A, B；And turn about corresponding TTL
Radio communication circuit explanation, RXD1 and the TXD1 pin of single-chip microcontroller pass through JP2 terminal respectively and are connected with the wireless submodule of APC320
It connects, to realize that hand-held PDA reads hydraulic pressure, the data informations function such as flow.
Preferably, the wireless charging module in power supply 11 includes sequentially connected concussion coil, bridge rectifier, charging
Management module.During wireless charging, which receives the radio signal that wireless charging transmitting terminal is sent, and
The lithium battery in power supply 11 successively, which is reached, by concussion coil, bridge rectifier, charge management module realizes wireless charging.Tool
Body is as shown in figure 4, radio energy is converted into electric energy by receiving coil charges the battery；WH820 is private radio charge control
IC。
Correspondingly, wireless charging transmitting terminal includes WH820 wireless charging semiconductor original part, power supply adaptor, bridge-type driving
Circuit, current detection feedback module, concussion coil；WH820 wireless charging semiconductor original part drives with power supply adaptor, bridge-type respectively
Dynamic circuit, current detection feedback module are connected；Bridge drive circuit is also connect with concussion coil；During wireless charging,
WH820 wireless charging semiconductor original part sends radio signal using concussion coil by bridge drive circuit.Specifically such as Fig. 5 institute
Show, charge power supply passes through bridge drive circuit, using concussion coil by electric energy conversion at wireless energy signal.By wireless
The mode of charging can be charged with the more convenient pair of present apparatus.WH820 wireless charging application-specific integrated circuit, possesses perfect electric current, electricity
Pressure and temperature protection circuit, efficiency and reliable quality with advanced algorithm, superelevation are suitable for higher to stability requirement
Product.And WH820 can be with the IC of host communication.The 14 of WH820,16,17,18 pins drive by KF4953 and KF9024 group
At bridge-type positive and negative rotation circuit, driving circuit is forward and reverse by inductance L1 respectively, so that forming Sasser is sent out energy.Together
When the detection feed circuit that is made of LM358, the circuit size of driving is detected, so that adjusting oscillation frequency to reach control charging
Power, and the purpose of protection circuit.
Other than above-mentioned wireless charging mode, the mode of solar recharging is also can be used in the present apparatus.As shown in fig. 6, being
The circuit diagram of solar recharging module.Using the IC with maximum power tracing (MPPT)：CN3722 is realized.
CN3722 is the PWM decompression mode Charge Management integrated circuit of a usable solar cell for supplying power, has solar battery
MPPT maximum power point tracking function.CN3722 has constant current constant voltage charging mode, is very suitable to single-unit or multisection lithium battery or phosphorus
The Charge Management of sour lithium iron battery.Constant-current charge electric current is by the current sense resistor that is connected between CSP pin and BAT pin
RCS setting, in constant-voltage charge mode, constant-voltage charge voltage is arranged by non-essential resistance potential-divider network.
Preferably, this miniature electronic devices further includes collecting sensor signal circuit, and single-chip microcontroller 12 is believed by the sensor
Number Acquisition Circuit is connected with diaphragm pressure sensor 13, water flow sensor 14, turbidity water quality sensor 15 respectively；Sensor
Signal acquisition circuit is used for diaphragm pressure sensor 13, water flow sensor 14, the collected letter of turbidity water quality sensor 15
It is sent into single-chip microcontroller number after reverse phase ratio enlargement and is read out data.
For example, the JP8 pin of collecting sensor signal circuit connects FlexiForce diaphragm pressure sensor, water quality flow is passed
Sensor and turbidity transducer.The voltage value that the VCC voltage of 3.6V is converted into -3.6V is input to diaphragm pressure sensing by LM7660
Device, the diaphragm pressure sensor other end pass through the current-limiting resistance in 120 Europe, are linked into the reverse phase ratio of the amplifier composition of MCP6002
Amplifying circuit is re-fed into AD conversion single-chip microcontroller pin, is read out data, and be converted into phase after reverse phase ratio enlargement
The pressure value answered.
Diaphragm pressure sensor, water quality flow sensor and turbidity can be accurately acquired by collecting sensor signal circuit
The data such as sewage pressure, flow, the water quality of sensor measurement.
Ground stake is used as the matching used equipment of this miniature electronic devices, in order to illustrate its structure, it is preferred that ground stake packet
Include antenna, the radio module comprising radio frequency chip SX1278, main control board；Main control board platform server upon receipt
When the command signal of the measurement data for obtaining wastewater parameters sent, ground staking is received by LoRa wireless communication networks
To wastewater parameters measurement data be sent to background server.
Wherein, the super low-power consumption processor on main control board solves the command signal that radio module passes over
Analysis identification, is compared with Self address；If inconsistent with Self address, do not deal with；It, will if consistent with Self address
The measurement data that ground staking receives is response to radio module, after being sent to using antenna using LoRa wireless communication mode
Platform server.
By being compared with Self address, safety verification can be carried out, guarantees corresponding safety, and can accomplish
Corresponding node data is accurately transferred, the data for transferring other nodes are avoided.
Further, ground stake further includes NB-IoT wireless communication module, and NB-IoT wireless communication module is using mobile collection
At eSIM card connection communication, the corresponding NB-IOT wireless communication networks for realizing measurement data of NB-IoT wireless communication module are sent.
Correspondingly, NB-IOT circuit receives the data and hair of BC95-95 using STM8 single-chip microcontroller STM8S207C8T6C processing
The data of BC95-95 are sent, while using NB-IOT module BC95-95, the program is deployed on 2G/3G network, the mono- fan of NB-IoT
Area supports 50,000 connections, and 50 times higher than existing network connection number, NB-IoT is the standard technique that 3GPP is released, by repeatedly begging for
By, have become to be that technological evolvement and market are competing at present by the completely new narrowband technology of Internet of things standard that accepts extensively of the whole world
The condensation products striven.
Further, the loss of measurement data, ground stake further include in order to prevent：Data storage；Above-mentioned governor circuit
Super low-power consumption processor on plate can also be used to for the measurement data that ground staking receives being stored in data storage, and timing
Clear up expired data.It can guarantee that measurement data will not be transmitted because of data in this way and interrupt the feelings for leading to loss of data suddenly
Condition.
In order to realize present apparatus faults itself detect, it is preferred that miniature electronic devices may also include respectively with film
The Transducer fault detection module that pressure sensor 13, water flow sensor 14, turbidity water quality sensor 15 are connected, sensor
Fault detection module is also connect with single-chip microcontroller 12；Transducer fault detection module is used to detect the sensor to break down and will be former
Barrier signal returns to single-chip microcontroller 12, by the fault message of the stake Real-time Feedback sensor to the ground of single-chip microcontroller 12.Facilitate user in this way
The fault condition of sensor is understood in time.These fault messages can also be passed through LoRa wireless communication networks by further ground stake
Or NB-IOT wireless communication networks are sent to background server, so that background server is transmitted to corresponding plant maintenance in time
Personnel carry out maintenance and repair.
In order to show the sensor measurement data obtained in real time in ground stake side, it is preferred that ground stake may also include
Real-time clock module and liquid crystal display, liquid crystal display are used to show real time clock information and the ground stake of real-time clock module record
Real-time reception to sensor measurement data and Transducer fault detection module detects in preferred embodiment above fault message.
In this way, user can understand the sensor measurement data obtained in real time and plant failure information etc. in ground stake side, it is convenient
It is safeguarded.
If there are the forwardings of multiple repeaters in data transmission procedure between ground stake and background server, in order to improve number
According to the quality of transmission, it is preferred that ground stake may also include the acquisition module of repeater RSSI value, and the acquisition module is each for obtaining
The RSSI value of a repeater, so as to when ground stake is to backstage server transport sensor measurement data, according to these RSSI values
The selection strongest repeater of wireless signal strength carries out data transmission, i.e. selection optimal path carries out data transmission.
In conclusion measurable blow-off line multi-parameter Embedded for one kind provided by the embodiments of the present application is miniature
Electronic device, is related to level conversion technology, NB-IoT wireless communication technique, solar charging power technology, and streamlined structure designs skill
Art, in conjunction with smart phone APP application software, it can be achieved that a blow-off line measuring instrument measures multi-parameter, and can be with sewage pipe
Road synchronous production simultaneously merges one, and the function of parameter is read finally by smart phone APP, is set using streamlined embedded enclosure
Meter can be embedded in inner wall of the pipe when pipeline produces, facilitate installation, and it is more to solve live sewage conduct measuring multiple parameters needs at present
Platform instrument is more and incompatible, and measuring instrument installation and power supply are difficult, the irregular problem of measuring instrument precision.
The above is only preferred embodiment of the present application, are not intended to limit the scope of the patents of the application, all to utilize this Shen
Please equivalent structure or equivalent flow shift made by specification and accompanying drawing content, be applied directly or indirectly in other relevant skills
Art field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of miniature electronic devices of Embedded measurable blow-off line multi-parameter, which is characterized in that including power supply, monolithic
Machine, diaphragm pressure sensor, water flow sensor, turbidity water quality sensor, Transistor-Transistor Logic level signal processing module, wireless telecommunications mould
Block, RS485 wire communication module；
The single-chip microcontroller respectively with the diaphragm pressure sensor, the water flow sensor, the turbidity water quality sensor phase
Connection；For the diaphragm pressure sensor for measuring sewage pressure, the water flow sensor is described for measuring the discharge of sewage
Turbidity water quality sensor is for measuring sewage quality；
The single-chip microcontroller by the TTL handle level signal module respectively with the wireless communication module, RS485 wire communication
Module is connected；The single-chip microcontroller is used to pass the diaphragm pressure sensor, the water flow sensor, the turbidity water quality
The measurement data of sensor is wirelessly sent to mobile terminal by the wireless communication module, or by the measurement data described in
RS485 wire communication module is wired to be sent to the ground stake so that ground stake by LoRa wireless communication networks or
The measurement data received is sent to background server by person's Internet of Things NB-IOT wireless communication networks；
The power supply provides electric power for the miniature electronic devices, the power supply include lithium battery and respectively with the lithium battery phase
The solar recharging module of connection, wireless charging module.
2. miniature electronic devices according to claim 1, which is characterized in that the Transistor-Transistor Logic level signal processing module includes
MAX1487 chip, APC320 are wireless submodule, the Transistor-Transistor Logic level signal processing module is used for will by the MAX1487 chip
The Transistor-Transistor Logic level signal of the measurement data is converted to the RS485 level signal that the RS485 wire communication module can identify,
And the Transistor-Transistor Logic level signal of measurement data is converted to by the wireless communication module by the wireless submodule of the APC320 can
The wireless signal of identification.
3. miniature electronic devices according to claim 1, which is characterized in that the wireless charging module includes being sequentially connected
Concussion coil, bridge rectifier, charge management module, the wireless charging module receives what wireless charging transmitting terminal was sent
Radio signal, and successively the lithium is reached by the concussion coil, the bridge rectifier, the charge management module
Battery realizes wireless charging；
The wireless charging transmitting terminal includes WH820 wireless charging semiconductor original part, power supply adaptor, bridge drive circuit, electricity
Stream detection feedback module, concussion coil；The WH820 wireless charging semiconductor original part respectively with the power supply adaptor, described
Bridge drive circuit, the current detection feedback module are connected；The bridge drive circuit is also connect with the concussion coil；
The WH820 wireless charging semiconductor original part sends aerogram using the concussion coil by the bridge drive circuit
Number.
4. miniature electronic devices according to claim 1, which is characterized in that the miniature electronic devices further include sensor
Signal acquisition circuit, the single-chip microcontroller by the collecting sensor signal circuit respectively with the diaphragm pressure sensor, institute
State water flow sensor, the turbidity water quality sensor is connected；
The collecting sensor signal circuit is used for the diaphragm pressure sensor, the water flow sensor, the turbidity
The collected signal of water quality sensor is sent into the single-chip microcontroller after reverse phase ratio enlargement and is read out data.
5. miniature electronic devices according to claim 1, which is characterized in that the ground stake includes antenna, includes radio frequency
Radio module, the main control board of chip SX1278；
The main control board is in the command signal for being used to obtain the measurement data for receiving the background server transmission
When, the measurement data that the ground staking receives is sent to the background server by LoRa wireless communication networks；
Wherein, the super low-power consumption processor on the main control board believes the described instruction that the radio module passes over
Number parsing identification is carried out, is compared with Self address；If inconsistent with Self address, do not deal with；If with Self address
Unanimously, then the measurement data received the ground staking is adopted response to the radio module using the antenna
The background server is sent to LoRa wireless communication mode.
6. miniature electronic devices according to claim 5, which is characterized in that the ground stake further includes NB-IoT channel radio
Believe module, the NB-IoT wireless communication module is using mobile integrated eSIM card connection communication, the NB-IoT radio communication mold
The corresponding NB-IOT wireless communication networks for realizing the measurement data of block are sent.
7. miniature electronic devices according to claim 6, which is characterized in that the ground further includes：Data storage；
The super low-power consumption processor is also used to the measurement data that the ground staking receives being stored in the data storage
In, and expired data are cleared up in timing.
8. miniature electronic devices according to claim 7, which is characterized in that the miniature electronic devices further include respectively with
The Transducer fault detection that the diaphragm pressure sensor, the water flow sensor, the turbidity water quality sensor are connected
Module, the Transducer fault detection module are also connect with the single-chip microcontroller；The Transducer fault detection module is for detecting
Fault-signal is simultaneously returned to the single-chip microcontroller by the sensor of failure, from the single-chip microcontroller to ground stake Real-time Feedback
The fault message of sensor.
9. miniature electronic devices according to any one of claim 1 to 8, which is characterized in that the ground further includes
Real-time clock module and liquid crystal display, the liquid crystal display are used to show the real time clock information of the real-time clock module record, with
And the measurement data that arrives of ground stake real-time reception and the fault message.
10. miniature electronic devices according to any one of claim 1 to 9, which is characterized in that the ground further includes
The acquisition module of repeater RSSI value, the module that obtains are used to obtain the RSSI value of repeater, so as to the ground stake to
When the background server transmits the measurement data, according to the RSSI value select the strongest repeater of wireless signal strength into
The transmission of row data.
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