CN107703790A - A kind of data collecting instrument and data acquisition remote transmitting system - Google Patents
A kind of data collecting instrument and data acquisition remote transmitting system Download PDFInfo
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- CN107703790A CN107703790A CN201710769320.7A CN201710769320A CN107703790A CN 107703790 A CN107703790 A CN 107703790A CN 201710769320 A CN201710769320 A CN 201710769320A CN 107703790 A CN107703790 A CN 107703790A
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- signal acquisition
- acquisition interface
- microcontroller
- operational amplification
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The invention discloses a kind of data collecting instrument and data acquisition remote transmitting system, is related to data acquisition technology field, and the data collecting instrument includes：Battery, signal acquisition interface, microcontroller, operational amplification circuit, intermittent power supply control circuit and wireless signal transmission module；The input of the operational amplification circuit is connected with the signal acquisition interface, the output end of the operational amplification circuit is connected with the input of the microcontroller, the wireless signal transmission module is connected with the input/output terminal of the microcontroller, the feeder ear of the intermittent power supply control circuit is connected with the battery, the input of the intermittent power supply control circuit is connected with the output end of the microcontroller, and the output end of the intermittent power supply control circuit is connected with the feeder ear of the signal acquisition interface and the feeder ear of the wireless signal transmission module respectively.The present invention improves signal transmission quality, extends the power-on time of battery.
Description
Technical field
The present invention relates to data acquisition technology field, more particularly to a kind of data collecting instrument and data acquisition remote transmitting system.
Background technology
Data collecting instrument is primarily used to connect the instrument that different measuring instruments, sensor etc. carry out automatic data acquisition
Device, and manual entry data are no longer needed, save human cost and the mistake caused by manual entry can be reduced, from
And improve collecting efficiency.
Data collecting instrument of the prior art is generally converted to the gathered data received 4mA-20mA industrial standard
Signal or RS485 signals, are then transmitted by signal cable again, but because data collecting instrument is typically in the outdoor peace of spaciousness
Dress, if carrying out long-distance transmissions by signal cable, transmission signal Quality Down can be caused；And it can not get out of doors steady
Fixed power supply, power supply are difficult.
The content of the invention
In view of this, the present invention provides a kind of data collecting instrument and data acquisition remote transmitting system, and which raises signal transmission
Quality, extend the power-on time of battery.
The present invention is solved the above problems by following technological means：
A kind of data collecting instrument and data acquisition remote transmitting system of the present invention, including：It is battery, signal acquisition interface, micro-
Controller, operational amplification circuit, intermittent power supply control circuit and wireless signal transmission module；It is each electricity consumption that the battery, which is used for,
Module is powered；The input of the operational amplification circuit is connected with the signal acquisition interface, the operational amplification circuit
Output end be connected with the input of the microcontroller, the wireless signal transmission module and the input of the microcontroller are defeated
Go out end connection, the feeder ear of the intermittent power supply control circuit is connected with the battery, the intermittent power supply control circuit
Input is connected with the output end of the microcontroller, and the output end of the intermittent power supply control circuit is adopted with the signal respectively
The feeder ear of collection interface connects with the feeder ear of the wireless signal transmission module.
Further, in addition to switch-off potential detects control circuit, and the quantity of the signal acquisition interface is five, is respectively
First signal acquisition interface, secondary signal acquisition interface, the 3rd signal acquisition interface, the 4th signal acquisition interface and the 5th signal
Acquisition interface, the first signal acquisition interface are used to connect metallic conduit, and the secondary signal acquisition interface is used to connect sulphur
Sour copper reference electrode, the 3rd signal acquisition interface are used to connect sacrificial anode, and the 4th signal acquisition interface is used to connect
The first test steel disc is connect, the 5th signal acquisition interface is used to connect the second test steel disc；The copper sulfate reference electrode with
The metallic conduit is in same media environment, and the copper sulfate reference electrode is set close to the metallic conduit, described
Second test steel disc is embedded in soil；The output end of the input and the microcontroller of the switch-off potential detection control circuit
Connection, the feeder ear of the switch-off potential detection control circuit are connected with the described first test steel disc, the switch-off potential detection
The output end of control circuit is connected with the metallic conduit.
Further, the operational amplification circuit includes first pair of operational amplification circuit, second couple of operational amplification circuit, the 3rd
Double operational amplification circuits, the 4th pair of operational amplification circuit and the 5th pair of operational amplification circuit, the first signal acquisition interface lead to
Cross first pair of operational amplification circuit to be connected with the input of the microcontroller, the secondary signal acquisition interface passes through institute
State second pair of operational amplification circuit to be connected with the input of the microcontroller, the 3rd signal acquisition interface passes through described
Three pairs of operational amplification circuits are connected with the input of the microcontroller, and the 4th signal acquisition interface passes through described 4th pair
Operational amplification circuit is connected with the input of the microcontroller, and the 5th signal acquisition interface passes through the 5th pair of computing
Amplifying circuit is connected with the input of the microcontroller.
Further, the wireless signal transmission module includes level shifting circuit and data transmission unit, the microcontroller
Device is connected by the level shifting circuit with the data transmission unit.
Further, the microcontroller includes single-chip microcomputer MSP430F149.
Further, the of the operational amplifier U6, the U6 of first pair of operational amplification circuit including model LM358
3 pins are connected with resistance R7 one end, the resistance R7 other end one end with resistance R8, transient diode TVS1 negative pole respectively
Connected with the first signal acquisition interface, the resistance R8 other end and transient diode TVS1 plus earth, the U6's
6th pin and the connection of the 7th pin, and the 6th pin of the U6 passes through the 59th of the resistance R9 and single-chip microcomputer MSP430F149
Pin connects.
Further, the level shifting circuit includes model MAX202CPE chip U12, the data transmission unit
The 9th pin of chip U1, the chip U12 including model COMWAY WG-8010-232GPRS-DTU and the single-chip microcomputer
MSP430F149 the 35th pin connection, the 10th pin of the chip U12 draw with the 34th of the single-chip microcomputer MSP430F149
Pin is connected, and the 7th pin of the chip U12 is connected with the 3rd pin of the chip U1, the 8th pin of the chip U12 and institute
State chip U1 the 2nd pin connection.
Further, the intermittent power supply control circuit includes model TLP521-1 the first photoelectrical coupler U2, model
For JZC-32F the first relay U3 and the first NPN triode Q1, the 1st pin of the U2 passes through resistance R1 and the monolithic
Machine MSP430F149 the 36th pin connection, the 3rd pin of the U2 are connected with the base stage of the Q1, the 4th pin of the U2
It is connected respectively with the colelctor electrode of the Q1 and resistance R2 one end, the other end of the resistance R2 is connected with the battery, institute
The emitter stage for stating Q1 is connected with the 1st pin of the U3 and diode D1 negative pole respectively, the 2nd pin of the U3 and two poles
Pipe D1 positive pole is grounded, and the 3rd pin of the U3 is connected with the battery, and the 5th pin of the U3 is respectively with described
One signal acquisition interface, secondary signal acquisition interface, the 3rd signal acquisition interface, the 4th signal acquisition interface and the 5th signal are adopted
Collect the feeder ear of interface and the feeder ear connection of the wireless signal transmission module.
Further, switch-off potential detection control circuit include model TLP521-1 the second photoelectrical coupler U4,
Model JZC-32F the second relay U5 and the second NPN triode Q2, the U4 the 1st pin by resistance R3 with it is described
Single-chip microcomputer MSP430F149 the 37th pin connection, the 3rd pin of the U4 are connected with the base stage of the Q2, and the 4th of the U4 the
Pin is connected with the colelctor electrode of the Q2 and resistance R4 one end respectively, and the other end and the battery of the resistance R4 connect
Connect, the emitter stage of the Q2 is connected with the 1st pin of the U5 and diode D2 negative pole respectively, the 2nd pin of the U5 and
Diode D2 positive pole is grounded, and the 3rd pin of the U5 is connected with the metallic conduit, the 4th pin of the U3 with it is described
First test steel disc connection.
The invention provides a kind of data collecting instrument, signal acquisition interface is used to receiving collection signal, and will receive
Collection signal is sent after operational amplification circuit is amplified to microcontroller, and microcontroller is again by adopting after the amplification received
Collection signal is sent to control centre etc. by wireless signal transmission module, is realized collection and the wireless transmission of signal, is improved
Signal transmission quality；In addition, the present invention using battery as power supply, and intermittent power supply control circuit respectively with electric power storage
Pond, microcontroller, the feeder ear of signal acquisition interface connect with the feeder ear of wireless signal transmission module, are needing to receive collection
Signal and send collection signal when, microprocessor control intermittent power supply control circuit connect, battery be signal acquisition interface and
Wireless signal transmission module is powered, when that need not receive and send collection signal, microprocessor control intermittent power supply control electricity
Road is disconnected, and battery is not powered for signal acquisition interface and wireless signal transmission module, realizes intermission power supply method, is saved and is stored
The electric energy of battery, extend the power-on time of battery.
A kind of data acquisition remote transmitting system of the present invention, including：Mobile base station, equipment control centre server and above-mentioned reality
The data collecting instrument described in example is applied, wherein, equipment control centre server carries GSM/GPRS wireless transport modules, institute
Data collecting instrument is stated to be connected with equipment control centre server by the mobile base station.
A kind of data collecting instrument and data acquisition remote transmitting system of the present invention has the advantages that：
The invention provides a kind of data acquisition remote transmitting system, data collecting instrument passes through the collection signal after final process
Wireless signal transmission module sends again that the collection signal received is wireless by GSM/GPRS to mobile base station, mobile base station
Transport module is sent to equipment control centre server, to enable equipment control centre server to believe the collection received
Number stored, managed and analyzed and processed, realize the collection of remote data and analyzing and processing etc..
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of schematic block circuit diagram of data collecting instrument of the present invention；
Fig. 2 is a kind of circuit diagram of microcontroller of the present invention；
Fig. 3 is a kind of circuit diagram of first pair of operational amplification circuit of the present invention；
Fig. 4 is a kind of circuit diagram of second pair of operational amplification circuit of the present invention；
Fig. 5 is a kind of circuit diagram of 3rd pair of operational amplification circuit of the present invention；
Fig. 6 is a kind of circuit diagram of 4th pair of operational amplification circuit of the present invention；
Fig. 7 is a kind of circuit diagram of 5th pair of operational amplification circuit of the present invention；
Fig. 8 is a kind of circuit diagram of level shifting circuit of the present invention；
Fig. 9 is the circuit diagram of another level shifting circuit of the present invention；
Figure 10 is a kind of circuit diagram of intermittent power supply control circuit of the present invention；
Figure 11 is that a kind of switch-off potential of the present invention detects the circuit diagram of control circuit；
Figure 12 is a kind of circuit diagram of clock circuit of the present invention；
Figure 13 is a kind of structural representation of data acquisition remote transmitting system of the present invention.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail, as shown in Figure 1：A kind of data collecting instrument of the present embodiment
Including：Battery 1, signal acquisition interface 2, microcontroller 3, operational amplification circuit 4, intermittent power supply control circuit 5 and wireless communication
Number transport module 6；The battery 1 is used to be powered for each electricity consumption module.
The input of the operational amplification circuit 4 is connected with the signal acquisition interface 2, the operational amplification circuit 4
Output end is connected with the input of the microcontroller 3, the wireless signal transmission module 6 and the input of the microcontroller 3
Output end is connected, and the feeder ear of the intermittent power supply control circuit 5 is connected with the battery 1, the intermittent power supply control electricity
The input on road 5 is connected with the output end of the microcontroller 3, the output end of the intermittent power supply control circuit 5 respectively with institute
The feeder ear for stating signal acquisition interface 2 connects with the feeder ear of the wireless signal transmission module 6.
Further, the data collecting instrument also includes switch-off potential detection control circuit 7, the signal acquisition interface 2
Quantity be five, respectively the first signal acquisition interface 21, secondary signal acquisition interface 22, the 3rd signal acquisition interface 23,
4th signal acquisition interface 24 and the 5th signal acquisition interface 25, the first signal acquisition interface 21 are used to connect metallic conduit
26, the secondary signal acquisition interface 22 is used to connect copper sulfate reference electrode 27, and the 3rd signal acquisition interface 23 is used for
Sacrificial anode 28 is connected, the 4th signal acquisition interface 24 is used to connect the first test steel disc 29, the 5th signal acquisition
Interface 25 is used to connect the second test steel disc 30.
The copper sulfate reference electrode 27 is in same media environment with the metallic conduit 26, and the copper sulphate is joined
Set than electrode 27 close to the metallic conduit 26, the second test steel disc 30 is embedded in soil.
The input of the switch-off potential detection control circuit 7 is connected with the output end of the microcontroller 3, the power-off
The feeder ear of potentiometric detection control circuit 7 is connected with the described first test steel disc 29, the switch-off potential detection control circuit 7
Output end is connected with the metallic conduit 26.
Wherein, copper sulfate reference electrode 27 is as a reference point, when detecting current potential using copper sulfate reference electrode 27, with sulfuric acid
Copper reference electrode 27 is connected as the black meter pen of reference zero and universal meter, and metallic conduit 26 is connected with the red test pencil of universal meter,
Using the DC voltage shelves of universal meter be detected as negative value (such as：-0.98V)；Sacrificial anode 28 uses magnesium alloy, the first tested steel
Piece 29 is identical with the material of the second test steel disc 30 and metallic conduit, usually carbon steel tubing, in use, sacrificial anode 28
It is embedded in soil；First test steel disc 29 detects control circuit 7 by switch-off potential and is connected with metallic conduit 26, when needing to examine
When surveying the switch-off potential on metallic conduit 26, microcontroller 3 controls switch-off potential detection control circuit 7 to disconnect, and detection first is surveyed
Try potential value when steel disc 29 disconnects, referred to as switch-off potential；Second test steel disc 30 does not do anti-corrosion protection and is embedded in soil, and
Metallic conduit 26 is also embedded in identical soil, the natural potential of the environment for detecting the place of metallic conduit 26.
Further, the operational amplification circuit 4 includes first pair of operational amplification circuit, 41, second pairs of operational amplification circuits
42nd, the 3rd pair of operational amplification circuit 43, the 4th pair of operational amplification circuit 44 and the 5th pair of operational amplification circuit 45, first letter
Number acquisition interface 21 is connected by first pair of operational amplification circuit 41 with the input of the microcontroller 3, and described second
Signal acquisition interface 22 is connected by second pair of operational amplification circuit 42 with the input of the microcontroller 3, and described
Three signal acquisition interfaces 23 are connected by the 3rd pair of operational amplification circuit 43 with the input of the microcontroller 3, described
4th signal acquisition interface 24 is connected by the 4th pair of operational amplification circuit 44 with the input of the microcontroller 3, institute
The 5th signal acquisition interface 25 is stated to be connected with the input of the microcontroller 3 by the 5th pair of operational amplification circuit 45.
Specifically, as shown in Fig. 2 the microcontroller 3 includes single-chip microcomputer MSP430F149, as shown in figure 3, described first
Double operational amplification circuits 41 include model LM358 operational amplifier U6, the U6 the 3rd pin and resistance R7 one end
Connection, the resistance R7 other end one end with resistance R8, transient diode TVS1 negative pole and first signal acquisition respectively
Interface connects, the resistance R8 other end and transient diode TVS1 plus earth, and the 6th pin of the U6 and the 7th pin connect
Connect, and the 6th pin of the U6 is connected by resistance R9 with the 59th pin of the single-chip microcomputer MSP430F149.
It should be noted that second pair of operational amplification circuit 42 includes model LM358 operational amplifier U7, the 3rd pair
Operational amplification circuit 43 includes model LM358 operational amplifier U8, and the 4th pair of operational amplification circuit 44 includes model
LM358 operational amplifier U9, the 5th pair of operational amplification circuit 45 include model LM358 operational amplifier U16, specifically
U7, U8, U9 and U16 and single-chip microcomputer MSP430F149 between circuit connection, between U6 and single-chip microcomputer MSP430F149
Circuit connection is similar, will not be repeated here, and physical circuit figure difference is as shown in Figure 4, Figure 5, Figure 6 and Figure 7.
Further, the wireless signal transmission module 6 includes level shifting circuit 61 and data transmission unit 62, institute
Microcontroller 3 is stated to be connected with the data transmission unit 62 by the level shifting circuit 61.
Specifically, as shown in figure 8, the level shifting circuit 61 includes model MAX202CPE chip U12, it is described
Data transmission unit 62 includes model COMWAY WG-8010-232GPRS-DTU chip U1, and the 9th of the chip U12 the
Pin is connected with the 35th pin of the single-chip microcomputer MSP430F149, the 10th pin and the single-chip microcomputer of the chip U12
MSP430F149 the 34th pin connection, the 7th pin of the chip U12 is connected with the 3rd pin of the chip U1, described
Chip U12 the 8th pin is connected with the 2nd pin of the chip U1.
It should be noted that as shown in figure 9, the level shifting circuit 61 can also be 485 chip U15, the chip
U15 the 4th pin is connected with the 33rd pin of the single-chip microcomputer MSP430F149, the 3rd pin of the chip U12 with it is described
Single-chip microcomputer MSP430F149 the 32nd pin connection, the 8th pin of the chip U15 connect with the 3rd pin of the chip U1
Connect, the 9th pin of the chip U12 is connected with the 2nd pin of the chip U1.
Specifically, as shown in Figure 10, the intermittent power supply control circuit 5 includes model TLP521-1 the first photoelectricity coupling
Clutch U2, model JZC-32F the first relay U3 and the first NPN triode Q1, the 1st pin of the U2 pass through resistance
R1 is connected with the 36th pin of the single-chip microcomputer MSP430F149, and the 3rd pin of the U2 is connected with the base stage of the Q1, institute
The 4th pin for stating U2 is connected with the colelctor electrode of the Q1 and resistance R2 one end respectively, the other end of the resistance R2 with it is described
Battery 1 is connected, and the emitter stage of the Q1 is connected with the 1st pin of the U3 and diode D1 negative pole respectively, the U3's
2nd pin and diode D1 positive pole are grounded, and the 3rd pin of the U3 is connected with the battery 1, and the 5th of the U3 draws
Pin respectively with the first signal acquisition interface 21, secondary signal acquisition interface 22, the 3rd signal acquisition interface 23, the 4th signal
Acquisition interface 24 connects with the feeder ear of the 5th signal acquisition interface 25 and the feeder ear of the wireless signal transmission module 6.
Specifically, as shown in figure 11, the switch-off potential detection control circuit 7 includes the second of model TLP521-1
Photoelectrical coupler U4, model JZC-32F the second relay U5 and the second NPN triode Q2, the U4 the 1st pin pass through
Resistance R3 is connected with the 37th pin of the single-chip microcomputer MSP430F149, and the 3rd pin of the U4 is connected with the base stage of the Q2,
The 4th pin of the U4 is connected with the colelctor electrode of the Q2 and resistance R4 one end respectively, the other end of the resistance R4 and institute
State battery 1 to connect, the emitter stage of the Q2 is connected with the 1st pin of the U5 and diode D2 negative pole respectively, the U5
The 2nd pin and diode D2 positive pole be grounded, the 3rd pin of the U5 is connected with the metallic conduit 26, the U3's
4th pin is connected with the described first test steel disc 29.
It should be noted that the first signal acquisition interface 21 of the present invention, secondary signal acquisition interface 22, the 3rd signal are adopted
Collection interface 23, the 4th signal acquisition interface 24 and the 5th signal acquisition interface 25 can also connect other collecting devices, such as：Temperature
Spend sensor, humidity sensor etc..
It should be noted that present invention additionally comprises clock circuit, as shown in figure 12, clock circuit includes clock chip
X1203, clock chip X1203 the 5th pin are connected with single-chip microcomputer MSP430F149 the 13rd pin, clock chip X1203's
6th pin is connected with single-chip microcomputer MSP430F149 the 12nd pin, and clock circuit is used to set the first signal acquisition interface 21, the
Binary signal acquisition interface 22, the 3rd signal acquisition interface 23, the 4th signal acquisition interface 24 and the 5th signal acquisition interface 25
Acquisition time and cycle, and wireless signal transmission module 6 send collection signal time and cycle, when acquisition time then,
Microcontroller 3 controls interval power-supplying circuit 5 to connect, and after acquisition time terminates, microcontroller 3 controls interval power supply control
Circuit 5 disconnects, and realizes intermittent power supply.
It should be noted that the network label IN0 in Fig. 3 is represented and is connected with metallic conduit, the network label IN1 in Fig. 4
Representative is connected with copper sulfate reference electrode, and the network label IN2 in Fig. 5 is represented and is connected with sacrificial anode, the network label in Fig. 6
IN3 represents to be connected with the first test steel disc, and the network label IN4 in Fig. 7 represents to be connected with the second test steel disc, the net in Fig. 8
Network label TXDPC and network label RXDPC are connected with chip U1, the network label 7 in Figure 10 respectively with Fig. 3, Fig. 4, Fig. 5,
Network label 7 in Fig. 6 and Fig. 7 is connected, and feeder ear of the network label 7 also with chip U1 in Figure 10 is connected.
The invention provides a kind of data collecting instrument, signal acquisition interface 2 is used to receiving collection signal, and will receive
Collection signal is sent after operational amplification circuit 4 is amplified to microcontroller 3, and microcontroller 3 is again by after the amplification received
Collection signal sent by wireless signal transmission module 6 to control centre etc., realize collection and the wireless transmission of signal, carry
High signal transmission quality；In addition, the present invention is used as power supply using battery 1, and intermittent power supply control circuit 5 respectively with
Battery 1, microcontroller 3, the feeder ear of signal acquisition interface 2 connect with the feeder ear of wireless signal transmission module 6, are needing
When receiving collection signal and sending collection signal, microcontroller 3 controls interval power-supplying circuit 5 to connect, and battery 1 is signal
Acquisition interface 2 and wireless signal transmission module 6 are powered, and when that need not receive and send collection signal, microcontroller 3 controls
Intermittent power supply control circuit 5 is disconnected, and battery 1 is not powered for signal acquisition interface 2 and wireless signal transmission module 6, is realized
Intermission power supply method, the electric energy of battery is saved, extend the power-on time of battery.
The invention provides a kind of data acquisition remote transmitting system, as shown in figure 13, including：Mobile base station 121, equipment control
Data collecting instrument 123 described in central server 122 and above-described embodiment, wherein, the band of equipment control centre server 122
There are GSM/GPRS wireless transport modules 1221, the data collecting instrument 123 is controlled by the mobile base station 121 and the equipment
Central server 122 connects.
The invention provides a kind of data acquisition remote transmitting system, data collecting instrument 123 is by the collection signal after final process
Sent to mobile base station 121, mobile base station 121 by wireless signal transmission module 6 and again pass through the collection signal received
GSM/GPRS wireless transport modules are sent to equipment control centre server 122, to enable equipment control centre server 122
It is enough that the collection signal received is stored, managed and analyzed and processed, realize collection and the analyzing and processing of remote data
Deng.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
- A kind of 1. data collecting instrument, it is characterised in that：Including：Battery, signal acquisition interface, microcontroller, operation amplifier electricity Road, intermittent power supply control circuit and wireless signal transmission module；The battery is used to be powered for each electricity consumption module；The input of the operational amplification circuit is connected with the signal acquisition interface, the output end of the operational amplification circuit with The input connection of the microcontroller, the wireless signal transmission module are connected with the input/output terminal of the microcontroller, The feeder ear of the intermittent power supply control circuit is connected with the battery, the input of the intermittent power supply control circuit and institute State the output end connection of microcontroller, the output end confession with the signal acquisition interface respectively of the intermittent power supply control circuit Electric end connects with the feeder ear of the wireless signal transmission module.
- A kind of 2. data collecting instrument according to claim 1, it is characterised in that：Also include switch-off potential detection control electricity Road, the quantity of the signal acquisition interface is five, respectively the first signal acquisition interface, secondary signal acquisition interface, the 3rd Signal acquisition interface, the 4th signal acquisition interface and the 5th signal acquisition interface, the first signal acquisition interface are used to connect Metallic conduit, the secondary signal acquisition interface are used to connect copper sulfate reference electrode, and the 3rd signal acquisition interface is used for Sacrificial anode is connected, the 4th signal acquisition interface is used to connect the first test steel disc, and the 5th signal acquisition interface is used In the test steel disc of connection second；The copper sulfate reference electrode is in same media environment with the metallic conduit, and the copper sulfate reference electrode leans on The nearly metallic conduit is set, and the second test steel disc is embedded in soil；The input of the switch-off potential detection control circuit is connected with the output end of the microcontroller, the switch-off potential inspection The feeder ear for surveying control circuit is connected with the described first test steel disc, the output end of the switch-off potential detection control circuit and institute State metallic conduit connection.
- A kind of 3. data collecting instrument according to claim 2, it is characterised in that：The operational amplification circuit includes first pair Operational amplification circuit, second pair of operational amplification circuit, the 3rd pair of operational amplification circuit, the 4th pair of operational amplification circuit and the 5th pair Operational amplification circuit, the first signal acquisition interface are defeated by first pair of operational amplification circuit and the microcontroller Enter end connection, the secondary signal acquisition interface passes through second pair of operational amplification circuit and the input of the microcontroller Connection, the 3rd signal acquisition interface are connected by the input of the 3rd pair of operational amplification circuit and the microcontroller Connecing, the 4th signal acquisition interface is connected by the 4th pair of operational amplification circuit with the input of the microcontroller, The 5th signal acquisition interface is connected by the 5th pair of operational amplification circuit with the input of the microcontroller.
- A kind of 4. data collecting instrument according to claim 3, it is characterised in that：The wireless signal transmission module includes electricity Flat change-over circuit and data transmission unit, the microcontroller are connected by the level shifting circuit and the data transmission unit Connect.
- A kind of 5. data collecting instrument according to claim 4, it is characterised in that：The microcontroller includes single-chip microcomputer MSP430F149。
- A kind of 6. data collecting instrument according to claim 5, it is characterised in that：First pair of operational amplification circuit includes Model LM358 operational amplifier U6, the U6 the 3rd pin are connected with resistance R7 one end, the resistance R7 other end point The negative pole and the first signal acquisition interface of one end, transient diode TVS1 not with resistance R8 are connected, and resistance R8's is another End and transient diode TVS1 plus earth, the 6th pin of the U6 and the connection of the 7th pin, and the 6th pin of the U6 leads to The 59th pin that resistance R9 is crossed with the single-chip microcomputer MSP430F149 is connected.
- A kind of 7. data collecting instrument according to claim 5, it is characterised in that：The level shifting circuit includes model MAX202CPE chip U12, the data transmission unit include model COMWAYWG-8010-232 GPRS-DTU chip U1, the 9th pin of the chip U12 are connected with the 35th pin of the single-chip microcomputer MSP430F149, and the 10th of the chip U12 the Pin is connected with the 34th pin of the single-chip microcomputer MSP430F149, and the of the 7th pin of the chip U12 and the chip U1 3 pins are connected, and the 8th pin of the chip U12 is connected with the 2nd pin of the chip U1.
- A kind of 8. data collecting instrument according to claim 5, it is characterised in that：The intermittent power supply control circuit includes type Number be TLP521-1 the first photoelectrical coupler U2, model JZC-32F the first relay U3 and the first NPN triode Q1, The 1st pin of the U2 is connected by resistance R1 with the 36th pin of the single-chip microcomputer MSP430F149, the 3rd pin of the U2 It is connected with the base stage of the Q1, the 4th pin of the U2 is connected with the colelctor electrode of the Q1 and resistance R2 one end respectively, described The resistance R2 other end is connected with the battery, the emitter stage of the Q1 the 1st pin and diode D1 with the U3 respectively Negative pole connection, the 2nd pin of the U3 and diode D1 positive pole be grounded, the 3rd pin and the battery of the U3 Connection, the 5th pin of the U3 respectively with the first signal acquisition interface, secondary signal acquisition interface, the 3rd signal acquisition Interface, the 4th signal acquisition interface and the feeder ear of the 5th signal acquisition interface and the confession of the wireless signal transmission module Electric end connection.
- A kind of 9. data collecting instrument according to claim 5, it is characterised in that：The switch-off potential detects control circuit bag Include model TLP521-1 the second photoelectrical coupler U4, model JZC-32F the second relay U5 and the second NPN triode Q2, the U4 the 1st pin are connected by resistance R3 with the 37th pin of the single-chip microcomputer MSP430F149, and the 3rd of the U4 the Pin is connected with the base stage of the Q2, and the 4th pin of the U4 is connected with the colelctor electrode of the Q2 and resistance R4 one end respectively, The other end of the resistance R4 is connected with the battery, the emitter stage of the Q2 respectively with the 1st pin of the U5 and two poles Pipe D2 negative pole connection, the 2nd pin of the U5 and diode D2 positive pole are grounded, the 3rd pin and the gold of the U5 Metal conduit is connected, and the 4th pin of the U3 is connected with the described first test steel disc.
- A kind of 10. data acquisition remote transmitting system, it is characterised in that：Including：Mobile base station, equipment control centre server and right It is required that the data collecting instrument described in any one of 1-9, wherein, equipment control centre server is wirelessly transferred with GSM/GPRS Module, the data collecting instrument are connected by the mobile base station with equipment control centre server.
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| CN201710769320.7A CN107703790B (en) | 2017-08-26 | 2017-08-26 | Data acquisition instrument and data acquisition remote transmission system |
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| CN201710769320.7A CN107703790B (en) | 2017-08-26 | 2017-08-26 | Data acquisition instrument and data acquisition remote transmission system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2519243Y (en) * | 2001-12-04 | 2002-10-30 | 杭州山科电子技术开发有限公司 | Tap water automatic meter data collector |
| DE50207898D1 (en) * | 2001-02-23 | 2006-10-05 | Forschungszentrum Juelich Gmbh | Method and device for processing detector signals |
| CN201540267U (en) * | 2009-09-30 | 2010-08-04 | 北京天建华仪科技发展有限公司 | Site measuring device of wall body thermal resistance |
| CN103258411A (en) * | 2013-03-07 | 2013-08-21 | 临沂高翔水表有限公司 | Intelligent water meter reading system based on GPRS technology |
| CN203414145U (en) * | 2013-08-31 | 2014-01-29 | 长庆石油勘探局技术监测中心 | On-line verified data collecting and transmitting device of flowmeter |
| CN203573486U (en) * | 2013-11-27 | 2014-04-30 | 陕西成明节能技术股份有限公司 | Wireless digital temperature acquisition transmitter |
| CN203759473U (en) * | 2014-02-20 | 2014-08-06 | 中铁一局集团有限公司 | Data acquisition transmission system used for rail transit signal interlocking test simulation |
| CN204790465U (en) * | 2015-06-30 | 2015-11-18 | 西安科技大学 | Appearance is examined to hand -held type mine equipment point |
-
2017
- 2017-08-26 CN CN201710769320.7A patent/CN107703790B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50207898D1 (en) * | 2001-02-23 | 2006-10-05 | Forschungszentrum Juelich Gmbh | Method and device for processing detector signals |
| CN2519243Y (en) * | 2001-12-04 | 2002-10-30 | 杭州山科电子技术开发有限公司 | Tap water automatic meter data collector |
| CN201540267U (en) * | 2009-09-30 | 2010-08-04 | 北京天建华仪科技发展有限公司 | Site measuring device of wall body thermal resistance |
| CN103258411A (en) * | 2013-03-07 | 2013-08-21 | 临沂高翔水表有限公司 | Intelligent water meter reading system based on GPRS technology |
| CN203414145U (en) * | 2013-08-31 | 2014-01-29 | 长庆石油勘探局技术监测中心 | On-line verified data collecting and transmitting device of flowmeter |
| CN203573486U (en) * | 2013-11-27 | 2014-04-30 | 陕西成明节能技术股份有限公司 | Wireless digital temperature acquisition transmitter |
| CN203759473U (en) * | 2014-02-20 | 2014-08-06 | 中铁一局集团有限公司 | Data acquisition transmission system used for rail transit signal interlocking test simulation |
| CN204790465U (en) * | 2015-06-30 | 2015-11-18 | 西安科技大学 | Appearance is examined to hand -held type mine equipment point |
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| CN107703790B (en) | 2022-11-08 |
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