CN106481987A - A kind of closure ball system of detection pipe leakage - Google Patents

A kind of closure ball system of detection pipe leakage Download PDF

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Publication number
CN106481987A
CN106481987A CN201610813437.6A CN201610813437A CN106481987A CN 106481987 A CN106481987 A CN 106481987A CN 201610813437 A CN201610813437 A CN 201610813437A CN 106481987 A CN106481987 A CN 106481987A
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CN
China
Prior art keywords
pin
grounded
wireless charging
wireless
vcc
Prior art date
Application number
CN201610813437.6A
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Chinese (zh)
Inventor
甄佳楠
蒋昊
李卉艳
侯迪波
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浙江大学
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Priority to CN201610813437.6A priority Critical patent/CN106481987A/en
Publication of CN106481987A publication Critical patent/CN106481987A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • F17D5/06Preventing, monitoring, or locating loss using electric or acoustic means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • H02J7/025Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter using non-contact coupling, e.g. inductive, capacitive

Abstract

The invention discloses a kind of closure ball system of detection pipe leakage.Computer connects through serial converter and wireless signalling generator, wireless signalling generator is wirelessly connected with closure ball, closure ball is rolled along inner-walls of duct in the duct, closure ball is placed on wireless charging component and is charged, closure ball includes spherical shell and lower spherical shell and the control board in upper and lower spherical shell, lithium battery and wireless charging receiving coil, and control board includes single chip machine controlling circuit, power supply circuits, voltage conversion circuit, data storage circuitry, gyroscope connection circuit, sound transducer connection circuit and wireless communication module connection circuit.The present invention can realize the function of detection pipeline leakage situation by the collection to voice signal and detection ball roll angle signal.Interface standard involved in the present invention, simple structure, control, communication and charging are convenient, and detecting step is simple, is with a wide range of applications.

Description

A kind of closure ball system of detection pipe leakage
Technical field
The present invention relates to a kind of pipeline leak detection device, a kind of more particularly to closure ball system of detection pipe leakage.
Background technology
Pipeline network leak is to cause one of significant problem of water resource waste.Pipe leakage is causing valuable running water in vain While loss, not only huge economic loss is brought to water undertaking, also increase the possibility of the secondary pollution of water.Due to China supplies water infrastructure wretched insufficiency, and water supply capacity has much room for improvement, and existing confession water infrastructure is outmoded, aging, because of government Financial difficulty can not be transformed in time and manage the not good accident for causing pipeline network leak frequently to be occurred, and because China's leakage loss control Work is started late, and detection level has a certain distance, the feed pipe in external prosperity city with detection method compared with foreign countries Net leak rate only has 8-20%, and China domestic city will averagely reach 25-45%.
However, domestic existing major part pipeline leak detection device, is only applicable to relatively near or pipe on the ground from the ground Road, can directly measure leakage point using modes such as auditions.Relatively deep, the pipeline that signal cannot be transmitted for burying, then be to adopt Detector coordinates signal transmitting installed in pipeline node, receiver recognizing and position leakage point.
Content of the invention
In order to solve to have problems in background technology, it is an object of the invention to proposing a kind of envelope of detection pipe leakage Ball system is closed, easy to use, widely applicable, with low cost, in order to detect pipe leakage.
The technical scheme is that:
The present invention includes computer, serial converter, wireless signalling generator, closure ball and wireless charging component;Computer warp Serial converter and the connection of wireless signalling generator, wireless signalling generator are wirelessly connected with closure ball, and closure ball is in the duct along pipeline Wall is rolled, and closure ball is placed on wireless charging component and is charged.
Described closure ball includes spherical shell and lower spherical shell and the control board in upper and lower spherical shell, lithium electricity Pond and wireless charging receiving coil, are connected by bonding mode between upper spherical shell and lower spherical shell, control board and wireless signalling generator Wireless communication connection, control board are fixedly mounted in spherical shell, and lithium battery and wireless charging receiving coil are fixed by pressing plate In lower spherical shell, lithium battery is powered with wireless charging receiving coil, control board connection respectively.
Described wireless charging component includes cradle and the wireless charging transmit coil being mounted on cradle, wireless charging Transmit coil is fixed on cradle, and wireless charging transmit coil is connected with outside power supply adaptor, and wireless charging sends line Wireless charging is realized in the wireless charging receiving coil electromagnetism connection of circle and the closure ball.
Described control board includes single chip machine controlling circuit, power supply circuits, voltage conversion circuit, data storage electricity Road, gyroscope connection circuit, sound transducer connection circuit and wireless communication module connection circuit;
1) single chip machine controlling circuit:Using single-chip microcomputer atmega128 as main control chip, PEN pin is grounded through resistance R7, PE0 pin and PE1 pin connect gyroscope connection circuit, and PD2 pin and PD3 pin connect wireless communication module connection circuit, RESET pin warp respectively Electric capacity C1 is connected, is grounded after reset switch S1 in parallel, while RESET pin series resistance R6 is followed by VCC, XTAL2 pin, XTAL1 pin Between respectively by electric capacity C2, electric capacity C3 ground connection after crystal oscillator in parallel, PF4 pin connects VCC, PF4 pin through resistance R1 and is simultaneously connected with J-TAG 1 pin of interface, PF5 pin connect VCC, PF5 pin through resistance R2 and are simultaneously connected with 5 pin of J-TAG interface, and PF6 pin connects VCC, PF6 pin through resistance R3 3 pin of J-TAG interface is simultaneously connected with, PF7 pin connects VCC, PF7 pin through resistance R4 and 9 pin of J-TAG interface is simultaneously connected with, and PC7 pin is through LED Lamp D3 is grounded, and PC6 pin is grounded through LED D2, and AVCC pin meets VCC simultaneously while being grounded through C5 through inductance L1, and AREF pin is grounded through C4, 4 pin of J-TAG interface connect the RESET pin that 6 pin of VCC, J-TAG interface connect single-chip microcomputer;
2) power supply circuits:Powered for circuit board using 5V control source, power supply mode has two kinds, be respectively USB power and 5V power voltage supply, positive source through power switch POWER-SW, minus earth, series circuit and the electricity of resistance R5 and LED D1 Hold C6, electric capacity C7 in parallel, 1 pin that electric capacity C6 is cited as VCC, USB terminals near power positive end connects positive source, 5 pin are grounded;
3) voltage conversion circuit:5V voltage is switched to 3.3V voltage using AMS1117 chip, 1 pin of chip is grounded, 2 pin warps It is grounded after electric capacity C9,3 pin meet VCC, 4 foot meridian capacitor C8 are grounded;
4) data storage circuitry:From SD card as data storage, 1 pin, 2 pin, 5 pin and 7 pin respectively through resistance R11, All VCC3.3 is met after resistance R10, resistance R9 and resistance R8,4 pin meet VCC3.3,1 pin connects the TOSC2 pin of single-chip microcomputer, 2 pin order pieces The PB2 pin of machine, 5 pin connect the PD1 pin of single-chip microcomputer, and 7 pin connect the PB3 pin of single-chip microcomputer;
5) gyro module connection circuit:Including the gyroscope interface module being connected with gyroscope, gyroscope interface module - 3 pin of 1 pin connect PE0 pin and the PE1 pin of single-chip microcomputer respectively, the 3 pin ground connection of gyroscope interface module, 4 pin meet VCC;
6) sound transducer connection circuit:Including the sound transducer interface module being connected with sound transducer, its 1 pin connects The PF0 pin of single-chip microcomputer, 3 pin meet VCC, and 4 pin are grounded;
7) wireless communication module connection circuit:Including Wireless communication interface module, its 1 pin meets VCC, and 2 pin connect single-chip microcomputer PD2 pin, 3 pin connect the PD3 pin of single-chip microcomputer, and 4 pin are grounded.
The model PL2303HX module of described serial converter, the model wireless serial module of wireless signalling generator DL-20.
Described wireless charging receiving coil and model XKT-801 of wireless charging transmit coil, power supply adaptor Model YG-24W.
The present invention is had an advantageous effect in that compared with background technology:
The utilization of the present invention ball system of leaking hunting, can to deep ground pipeline, metallic conduit etc. and the external world cannot real-time signal hand over The pipeline for changing carries out leak point positioning;
Suitable for ready-made pipe-line system, it is not necessary to enter the additional alternations such as line sensor installation to pipeline;Operation and control Easy, it is easy to just can to use;
From suitable wireless charging device and radio communication device, so as to remove the connection jaws of spherical shell, very big The difficulty of waterproof sealing is reduced in degree;
This leak detection ball need to only change counterweight for the pipeline of conveying different fluid, adjust recognizer, can be with Very low cost obtains maximum benefit.
Interface standard involved in the present invention, simple structure, detecting step are simple, are with a wide range of applications.
Description of the drawings
Fig. 1 is detection ball complement hardware configuration.
Fig. 2 is episphere structural representation.
Fig. 3 is upper half spherical structure front section view.
Fig. 4 is episphere structure top view.
Fig. 5 is lower half spherical structure front section view.
Fig. 6 is lower semisphere structure top view.
Fig. 7 is charging socket structure schematic diagram.
Fig. 8 is cradle front section view.
Fig. 9 is cradle top view.
Figure 10 is single chip machine controlling circuit figure.
Figure 11 is power supply circuit.
Figure 12 is voltage conversion circuit figure.
Figure 13 is data storage circuitry figure.
Figure 14 connects circuit diagram for gyro module.
Figure 15 connects circuit diagram for sound transducer.
Figure 16 connects circuit diagram for wireless communication module.
In figure:1st, computer, 2, wireless charging transmit coil, 3, nut, 4, power supply adaptor, 5, bolt, 6, cradle, 7th, lower spherical shell, 8, upper spherical shell, 9, wireless signalling generator, 10, serial converter, 11, control board, 12, wireless charging receive line Circle, 13, pressing plate, 14, lithium battery, 15, single chip machine controlling circuit, 16, power supply circuits, 17, voltage conversion circuit, 18, data deposit Storing up electricity road, 19, gyroscope connection circuit, 20, sound transducer connection circuit, 21, wireless communication module connection circuit.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention includes computer 1, serial converter 10, wireless signalling generator 9, closure ball and wireless charging Component;Computer 1 connects through serial converter 10 and wireless signalling generator 9, and wireless signalling generator 9 is wirelessly connected with closure ball, closing Ball is rolled along inner-walls of duct in the duct, and closure ball is placed on wireless charging component and is charged.
As shown in Fig. 2~Fig. 9, closure ball includes spherical shell 8 and lower spherical shell 7 and the control in upper and lower spherical shell 8,7 Circuit board processed 11, lithium battery 14 and wireless charging receiving coil 12, are connected by bonding mode between upper spherical shell 8 and lower spherical shell 7, control Circuit board processed 11 and 9 wireless communication connection of wireless signalling generator.As shown in Figure 2 to 4, control board 11 fixes peace through bolt 5 It is mounted in spherical shell 8, as shown in Fig. 5-Fig. 6, lithium battery 14 and wireless charging receiving coil 12 are fixed on bolt 5 by pressing plate 13 In lower spherical shell 7, lithium battery 14 is powered with wireless charging receiving coil 12, the connection of control board 11 respectively, wireless charging Receiving coil 12 is used for being connected reception rechargeable electrical energy with wireless charging component.
As shown in Fig. 7~Fig. 9, wireless charging component includes that cradle 6 and the wireless charging being mounted on cradle 6 send line Circle 2, wireless charging transmit coil 2 is fixed on cradle 6 by bolt 5, and wireless charging transmit coil 2 is fitted with outside power supply Orchestration 4 is connected, and wireless charging is realized in 12 electromagnetism of the wireless charging receiving coil connection of wireless charging transmit coil 2 and the closure ball Electricity.
As shown in Figure 10-Figure 16, control board 11 includes single chip machine controlling circuit 15, power supply circuits 16, voltage conversion Circuit 17, data storage circuitry 18, gyroscope connection circuit 19, sound transducer connection circuit 20 and wireless communication module connection Circuit 21, single chip machine controlling circuit 15 are connected circuit 19, sound transducer connection electricity respectively with data storage circuitry 18, gyroscope Road 20 and wireless communication module connection circuit 21 connect, lithium battery 14 after power supply circuits 16, voltage conversion circuit 17 with monolithic Machine control circuit 15 connects.
As shown in Figure 10, single chip machine controlling circuit:Using single-chip microcomputer atmega128 as main control chip, 1 pin is through resistance R7 Ground connection, 2 pin connect 1 pin of serial ports terminals UART0, and 3 pin connect 2 pin of UART0, and 27 pin connect 1 pin of serial ports terminals UART1, and 28 Pin connects 2 pin of serial ports terminals UART2, and 20 pin are connected through electric capacity C1 respectively, are grounded after reset switch S1 in parallel, while 20 pin strings Connection resistance R6 is followed by VCC, is grounded by electric capacity C2, electric capacity C3 respectively between 23 pin, 24 pin after crystal oscillator in parallel, and 57 pin are through resistance R1 VCC is met, 57 pin are simultaneously connected with 1 pin of J-TAG interface, 56 pin meet VCC through resistance R2,56 pin are simultaneously connected with 5 pin of J-TAG interface, 55 Pin meets VCC through resistance R3, and 55 pin are simultaneously connected with 3 pin of J-TAG interface, and 54 pin meet VCC through resistance R4, and 54 pin are simultaneously connected with J-TAG 9 pin of interface, 42 pin are grounded through LED D3, and 41 pin are grounded through LED D2, and 21,52 pin meet VCC, and 64 pin meet VCC through inductance L1, and 64 Pin is while be grounded through C5,62 pin are grounded through C4,22,53,63 ground connection, 2, the 10 pin ground connection of J-TAG interface, 4 pin of J-TAG interface 6 pin for connecing VCC, J-TAG interface connect 20 pin of single-chip microcomputer;
As shown in figure 11, power supply circuits:Powered for circuit board using 5V control source, power supply mode has two kinds, is respectively USB powers and 5V power voltage supply, and positive source is through power switch POWER-SW, minus earth, shunt capacitance C6, C7, resistance R5 With the series circuit of LED D1, electric capacity C6 is cited as 1 pin of VCC, USB terminals near power positive end and connects positive source, and 5 pin connect Ground.
As shown in figure 12, voltage conversion circuit:5V voltage is switched to 3.3V voltage using AMS1117 chip, 1 pin of chip connects Ground, is grounded after 2 foot meridian capacitor C9, and 3 pin meet VCC, and 4 pin are grounded through C8.
As shown in figure 13, data storage circuitry:From SD card as data storage.SD card seat selects SDPR09-A0- 0285 encapsulation, 1 pin meet VCC3.3 through resistance R11, and 2 pin meet VCC3.3 through resistance R10, and 3 pin, 6 pin ground connection, 4 pin meet VCC3.3, and 5 Pin meets VCC3.3 through resistance R9, and 7 pin meet VCC3.3 through resistance R8, meanwhile, 1 pin connects 18 pin of single-chip microcomputer, and 2 pin connect 12 pin of single-chip microcomputer, and 5 Pin connects 11 pin of single-chip microcomputer, and 7 pin connect 13 pin of single-chip microcomputer.
As shown in figure 14, gyro module connection circuit:Gyroscope interface module, the 2 of 1 pin of interface module connection single-chip microcomputer Pin, 2 pin of interface connect 3 pin of single-chip microcomputer, and 3 pin of interface is grounded, and 4 pin of interface meets VCC.
As shown in figure 15, sound transducer connection circuit:Sound transducer interface module, its 1 pin of interface connect single-chip microcomputer 61 Pin, 3 pin meet VCC, and 4 pin are grounded.
As shown in figure 16, wireless communication module connection circuit:Wireless communication module, its 1 pin of interface meet VCC, 2 pin order pieces 27 pin of machine, 3 pin connect 28 pin of single-chip microcomputer, and 4 pin are grounded.
In being embodied as, gyro module selects 6 axis accelerometer MPU6050 module of serial ports, and sound transducer selects chrysanthemum Brightness sound transducer module, wireless communication module select 2.4Gzigbee wireless serial module, model DL-20.
System with control board 11 as core, including computer 1, serial converter 10, wireless signalling generator 9, upper spherical shell 8th, lithium battery 14, wireless charging receiving coil 12, lower spherical shell 7, wireless charging transmit coil 2, cradle 6 and power supply adaptor 4. Computer 1 is passed sequentially through serial converter 10, wireless signalling generator 9 and is communicated with control board 11, and computer 1 sends finger Order, control board 11 execute command adapted thereto, complete signals collecting, sending for task, according to the date after the reception signal of computer 1 Format storage information;Power supply adaptor 4 is that wireless charging transmit coil 2 provides 24V voltage, and cradle 6 is the nothing in lower spherical shell 7 Line charging receiving coil 12 provides good charging distance, it is ensured that wireless charging is normally carried out.
As shown in figure 1, upper-lower casing of the present invention closes the spheroid to form waterproof, detection ball is rolled across in the duct, while adopting Collection intensity of sound signal and rotary angle signal, and in storing to the SD storage card of spheroid control board;After salvaged of ball, Computer controls spheroid signal transmitting and receiving, and carry out storage and the process of signal in a computer, analysis of pipeline leaks situation.
Each module of the present invention coordinates to be carried out by procedure below:
1) computer operation interface is opened, is set up with control board 11 and is wirelessly connected.
As shown in figure 1, communicated by full duplex radio mode between computer 1 and circuit board 11, radio communication mold One of block is connected with computer 1 through serial converter 10, and computer is identified as serial ports, realizes serial ports by serial ports control Open, send data, receiving data and closing function.
2) computer sends " collection " instruction, and control board 11 starts gathered data.
Under normal condition, control board 11 receives and identifies, in task status is waited, the instruction that computer 1 sends, Instruction system needs mutually unified;After computer sends " collection starts " instruction, control board 11 executes appointing for gathered data Business, according to the frequency for setting while collected sound signal and spheroid attitude signal, and the signal of synchronization is packaged into length For the data segment of 10 bytes, in storing to SD card;Control board 11 constantly executes acquisition tasks so that store on time in SD card Between the data sequence that sorts, until computer 1 sends " collection terminates " instruction, control board 11 stops task, and locates again In wait task status.
3) computer sends " receiving data " instruction, and control board 11 starts to send data.
After computer 1 sends " receiving data " instruction, control board 11 reads data therein from SD card in order Afterwards computer 1 is sent to by wireless communication module, with txt form by voice signal and spheroid attitude after computer receiving data Signal is arranged and is stored, and screens out error message.Control board 11 reenters wait task status after being sent automatically, To execute new round data acquisition session.
4) computer paints intensity of sound figure and spheroid attitude figure with time shaft, and analyze data obtains the related letter of pipe leakage Breath.
After voice signal and spheroid attitude signal are separated from packet by computer 1, data are drawn out in the time Change curve on axle, is analyzed by threshold decision with intensity of sound signal and obtains pipe leakage point, and correspondence obtains time shaft seat Mark, then obtains the attitude in spheroid corresponding moment in spheroid attitude curve, obtains spheroid movement locus with attitude integration, so as to Analysis obtains the positional information of pipe leakage.

Claims (6)

1. a kind of detection pipe leakage closure ball system, it is characterised in that:Including computer (1), serial converter (10), no Line signalling generator (9), closure ball and wireless charging component;Computer (1) connects through serial converter (10) and wireless signalling generator (9) Connect, wireless signalling generator (9) are wirelessly connected with closure ball, closure ball is rolled along inner-walls of duct in the duct, closure ball is placed in wirelessly It is charged on charging assembly.
2. according to claim 1 a kind of detection pipe leakage closure ball system, it is characterised in that:Described closure ball Including upper spherical shell (8) and lower spherical shell (7) and the control board (11) in upper and lower spherical shell (8,7), lithium battery (14) With wireless charging receiving coil (12), it is connected by bonding mode between upper spherical shell (8) and lower spherical shell (7), control board (11) With wireless signalling generator (9) wireless communication connection, control board (11) is fixedly mounted in spherical shell (8), lithium battery (14) and Wireless charging receiving coil (12) is fixed in lower spherical shell (7) by pressing plate (13), and lithium battery (14) is received with wireless charging respectively Coil (12), control board (11) connection are powered.
3. according to claim 2 a kind of detection pipe leakage closure ball system, it is characterised in that:Described wireless charging The wireless charging transmit coil (2) that electrical component includes cradle (6) and is mounted on cradle (6), wireless charging transmit coil (2) It is fixed on cradle (6), wireless charging transmit coil (2) is connected with outside power supply adaptor (4), wireless charging sends line Wireless charging is realized in wireless charging receiving coil (12) the electromagnetism connection of circle (2) and the closure ball.
4. according to claim 2 a kind of detection pipe leakage closure ball system, it is characterised in that:Described control electricity Road plate (11) includes single chip machine controlling circuit (15), power supply circuits (16), voltage conversion circuit (17), data storage circuitry (18), gyroscope connection circuit (19), sound transducer connection circuit (20) and wireless communication module connection circuit (21);
1) single chip machine controlling circuit:Using single-chip microcomputer atmega128 as main control chip, PEN pin is grounded through resistance R7, PE0 pin Gyroscope connection circuit (19) is connect with PE1 pin, PD2 pin and PD3 pin connect wireless communication module connection circuit (21), and RESET pin divides Not be not connected through electric capacity C1, be grounded after reset switch S1 in parallel, at the same RESET pin series resistance R6 be followed by VCC, XTAL2 pin, It is grounded by electric capacity C2, electric capacity C3 after crystal oscillator in parallel respectively between XTAL1 pin, PF4 pin connects VCC, PF4 pin while connecting through resistance R1 1 pin of J-TAG interface is connect, PF5 pin connects VCC, PF5 pin through resistance R2 and 5 pin of J-TAG interface is simultaneously connected with, and PF6 pin is connect through resistance R3 VCC, PF6 pin is simultaneously connected with 3 pin of J-TAG interface, and PF7 pin connects VCC, PF7 pin through resistance R4 and is simultaneously connected with 9 pin of J-TAG interface, PC7 pin is grounded through LED D3, and PC6 pin is grounded through LED D2, and AVCC pin meets VCC through inductance L1 and while is grounded through C5, AREF Pin is grounded through C4, and 4 pin of J-TAG interface connect the RESET pin that 6 pin of VCC, J-TAG interface connect single-chip microcomputer;
2) power supply circuits:Powered for circuit board using 5V control source, power supply mode has two kinds, be that USB powers and 5V electricity respectively Pressure power supply, positive source through power switch POWER-SW, minus earth, the series circuit of resistance R5 and LED D1 and electric capacity C6, Electric capacity C7 is in parallel, and 1 pin that electric capacity C6 is cited as VCC, USB terminals near power positive end connects positive source, and 5 pin are grounded;
3) voltage conversion circuit:5V voltage is switched to 3.3V voltage using AMS1117 chip, 1 pin of chip is grounded, 2 foot meridian capacitors It is grounded after C9,3 pin meet VCC, 4 foot meridian capacitor C8 are grounded;
4) data storage circuitry:From SD card as data storage, 1 pin, 2 pin, 5 pin and 7 pin are respectively through resistance R11, resistance All VCC3.3 is met after R10, resistance R9 and resistance R8,4 pin meet VCC3.3,1 pin connects the TOSC2 pin of single-chip microcomputer, 2 pin connect single-chip microcomputer PB2 pin, 5 pin connect the PD1 pin of single-chip microcomputer, and 7 pin connect the PB3 pin of single-chip microcomputer;
5) gyro module connection circuit:Including the gyroscope interface module being connected with gyroscope, the 1 of gyroscope interface module - 3 pin of pin connects the PE0 pin of single-chip microcomputer and PE1 pin respectively, and the 3 pin ground connection of gyroscope interface module, 4 pin meet VCC;
6) sound transducer connection circuit:Including the sound transducer interface module being connected with sound transducer, its 1 pin order piece The PF0 pin of machine, 3 pin meet VCC, and 4 pin are grounded;
7) wireless communication module connection circuit:Including Wireless communication interface module, its 1 pin meets VCC, and 2 pin meet the PD2 of single-chip microcomputer Pin, 3 pin connect the PD3 pin of single-chip microcomputer, and 4 pin are grounded.
5. the liftable shooting tripod head device that a kind of surrounding according to claim 1 is found a view, it is characterised in that:Described Serial converter (10) model PL2303HX module, model wireless serial module DL-20 of wireless signalling generator (9).
6. the liftable shooting tripod head device that a kind of surrounding according to claim 3 is found a view, it is characterised in that:Described Wireless charging receiving coil (12) and wireless charging transmit coil (2) model XKT-801, the type of power supply adaptor (4) Number be YG-24W.
CN201610813437.6A 2016-09-10 2016-09-10 A kind of closure ball system of detection pipe leakage CN106481987A (en)

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WO2019119156A1 (en) * 2017-12-22 2019-06-27 Pure Technologies Ltd. Surround for pipeline inspection equipment

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Application publication date: 20170308