CN107229955B

CN107229955B - Double-frequency pipeline electronic identification positioning system

Info

Publication number: CN107229955B
Application number: CN201710433802.5A
Authority: CN
Inventors: 梁奎
Original assignee: Guangzhou Chenkong Automation Technology Co Ltd
Current assignee: Guangzhou Chenkong Automation Technology Co Ltd
Priority date: 2017-07-24
Filing date: 2017-07-24
Publication date: 2020-03-17
Anticipated expiration: 2037-07-24
Also published as: CN107229955A

Abstract

The invention discloses a dual-frequency pipeline electronic identification positioning system, which comprises an RFID data beacon device and a plurality of RFID electronic beacons, wherein the RFID electronic beacons are respectively embedded on underground pipelines below the ground, the RFID electronic beacons are respectively in signal connection with the RFID data beacon device, the RFID data beacon device is connected with a GIS server through a wireless module, the GIS server is connected with a scheduling center through a data transmission module, the RFID data beacon device is connected with an industrial tablet computer through a Bluetooth module, and the industrial tablet computer is in signal connection with the GIS server; the anti-collision energy-saving device has the frequency of 125KHZ +6.8MHZ, the 125KHZ provides energy for the marker, and the data is transmitted at 6.8MHZ, and the anti-collision energy-saving device has the characteristics of anti-collision, strong penetrating energy and strong anti-interference capability; the underground pipeline fault locating device is simple in structural principle and high in intelligent degree, can be used for immediately locating when an underground pipeline breaks down, is accurate in locating, and can be used for quickly determining the pipeline attribute, so that the overhauling efficiency is improved, the time for searching for an abnormal pipeline by workers is reduced, and the working pressure is reduced.

Description

Double-frequency pipeline electronic identification positioning system

Technical Field

The invention relates to the technical field of pipeline positioning, in particular to a dual-frequency pipeline electronic identification positioning system.

Background

With the rapid development of economy and the acceleration of urban construction pace, gas, water supply, electric power, water supply and other pipe networks in municipal pipe networks become more huge and complicated. The comprehensive pipeline management level of a city directly reflects the development level and the development potential of the city. On the other hand, because of the requirement of national strategy, each big city starts the overhead line landing project implementation in succession, and the project is huge, and an informatization scientific means with sustainable development is required to be matched with the project implementation.

At present, common routing inspection is difficult to achieve practically in daily management of underground pipe networks; the routing inspection responsibility cannot be realized clearly; accidents are often sudden, and high-level managers bear huge working pressure in large-area power failure and critical user power utilization first-aid repair. The information management of underground pipelines is not slow enough. Furthermore, most of the markers in the current market are based on single-frequency-band RFID of 125KHZ, the identification distance is short, the working instability capacity is easy to interfere, the anti-collision function is not provided, and the multiple markers can interfere with each other when being put together, so that the identification fails.

Disclosure of Invention

The invention aims to provide a dual-frequency pipeline electronic identification positioning system with the dual frequencies of 125KHZ and 6.8MHZ, wherein the 125KHZ provides energy for an RFID electronic beacon, the data is transmitted at 6.8MHZ, the intelligent degree is high, the positioning can be immediately carried out when an underground pipeline breaks down, the positioning is accurate, the pipeline attribute is quickly determined, the overhauling efficiency is improved, the time for searching abnormal pipelines by workers is reduced, and the working pressure is reduced, so that the problems in the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a double-frequency pipeline electronic identification positioning system comprises an RFID data beacon and a plurality of RFID electronic beacons, wherein the RFID electronic beacons are respectively buried in an underground pipeline below the ground, the RFID electronic beacons are respectively in signal connection with the RFID data beacon, and the RFID data beacon is provided with a GPS positioning chip, a 4G communication chip and a three-dimensional positioning chip; the RFID data beacon is connected with a GIS server through a wireless module, the GIS server is connected with a scheduling center through a data transmission module, the RFID data beacon is connected with an industrial tablet computer through a Bluetooth module, and the industrial tablet computer is in signal connection with the GIS server;

the RFID data beacon comprises an upright post, a base, a display, a master control MCU, a power management module, a push-pull resonant circuit and a high-gain data demodulation module, wherein the upright post is fixed on the base, the display is installed at the front end of a handle, the handle is fixedly installed at the top end of the upright post, a display screen is arranged on the display, a function button is arranged below the display screen, a state indicator lamp and a power indicator lamp are arranged at the upper end of the display screen, a USB interface is arranged at one side of the display, an SIM card slot is arranged at the other side of the display screen, and a power charging port is arranged at the bottom of the; the lower end of the base is provided with a detection antenna which comprises a 125KHZ antenna and a 6.8MHZ antenna, and a transmitting coil is arranged in the base;

the main control MCU is respectively connected with the display, the power management module, the push-pull resonant circuit and the high-gain data demodulation module, and the push-pull resonant circuit is connected with the RFID electronic beacon through a 125KHZ antenna; the high-gain data demodulation module is connected with the RFID electronic beacon through a 6.8MHZ antenna; the plurality of RFID electronic beacons comprise a first RFID electronic beacon, a second RFID electronic beacon, a third RFID electronic beacon and an Nth RFID electronic beacon, N is an integer greater than 3, and the RFID electronic beacons adopt nail-type beacons, spherical beacons or cylindrical beacons; the plurality of RFID electronic beacons comprise a first RFID electronic beacon, a second RFID electronic beacon, a third RFID electronic beacon and an Nth RFID electronic beacon, N is an integer larger than 3, and the RFID electronic beacons adopt nail-type beacons, spherical beacons or cylindrical beacons.

Preferably, the data transmission module comprises a first optocoupler and a second optocoupler, wherein a VF + end of the first optocoupler is connected with a power supply end through a resistor D, two N/C ends and a VE end are both suspended, a VF-end of the first optocoupler is connected with a collector electrode of a triode B, an emitter electrode of the triode B is grounded, a base electrode is connected with one end of a resistor B, the other end of the resistor B is respectively connected with a collector electrode of the triode A and one end of a resistor C, the other end of the resistor C is grounded, the emitter electrode of the triode A is grounded, the base electrode is connected with a signal input end through a resistor A, a GND end of the first optocoupler is grounded, a VO end of the first optocoupler is respectively connected with one end of a capacitor A, one; the second optocoupler VF + end is connected with a power supply end through a resistor E, the two N/C ends and the VE end are all suspended, the GND end of the second optocoupler is grounded, the VO end of the second optocoupler is connected with one end of a resistor F and a signal output end, and the other end of the resistor F is connected with the power supply end.

Preferably, the using method comprises the following steps:

A. embedding a plurality of RFID electronic beacons on an underground pipeline in a uniform embedding or grouping embedding manner; or the circular pipe is embedded in the courtyard pipe network in a triangular embedding mode;

B. once the underground pipeline at a certain position is abnormal, the RFID data beacon receives a positioning signal transmitted by the RFID electronic beacon; the RFID data beacon immediately determines the attribute of the pipeline;

C. the RFID data beacon device immediately sends the collected positioning signals and the collected pipeline attribute information to the GIS server, and the GIS server sends the positioning signals and the collected pipeline attribute information to the dispatching center through the data transmission module.

Compared with the prior art, the invention has the beneficial effects that:

(1) the underground pipeline fault locating device is simple in structural principle and high in intelligent degree, can be used for immediately locating when an underground pipeline breaks down, is accurate in locating, and can be used for quickly determining the pipeline attribute, so that the overhauling efficiency is improved, the time for searching for an abnormal pipeline by workers is reduced, and the working pressure is reduced.

(2) The RFID data beacon is suitable for all types of pipes, the pipeline does not need to be stopped when the beacon is detected, and information such as pipeline type, industry, maintenance record and the like can be directly read; the positioning is accurate, the influence of various surrounding severe environments is avoided, and the effective detection depth reaches 2.2 meters; the adopted 125KHZ antenna has strong penetrating energy and can penetrate media such as water, soil and the like to provide energy required by the work for the marker; the adopted 6.8MHZ antenna has the characteristics of strong penetration capability and long transmission distance.

(3) The RFID electronic beacon adopted by the invention works passively, does not need a battery and has long service life.

(4) The data transmission module adopted by the invention has strong anti-interference capability, can realize long-distance signal transmission, improves the transmission efficiency of the acquired signal and greatly reduces the labor cost.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic diagram of the RFID data beacon of the present invention;

FIG. 3 is a block diagram of the RFID data beacon control circuit of the present invention;

fig. 4 is a schematic diagram of a data transmission module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-frequency pipeline electronic identification positioning system comprises an RFID data beacon device 1 and a plurality of RFID electronic beacons, wherein the RFID electronic beacons are respectively buried in an underground pipeline below the ground, the RFID electronic beacons are respectively in signal connection with the RFID data beacon device 1, and the RFID data beacon device 1 is provided with a GPS positioning chip, a 4G communication chip and a three-dimensional positioning chip; the RFID data beacon 1 is connected with a GIS server 3 through a wireless module 2, and the wireless module 2 adopts a 4G module or a WIFI module; the GIS server 3 is connected with the dispatching center 5 through the data transmission module 4, the RFID data beacon 1 is connected with the industrial tablet computer 7 through the Bluetooth module 6, and the industrial tablet computer 7 is in signal connection with the GIS server 3.

In the invention, an RFID data beacon 1 comprises a stand column 8, a base 9, a display 10, a main control MCU26, a power management module 27, a push-pull resonant circuit 28 and a high-gain data demodulation module 29, wherein the stand column 8 is fixed on the base 9, the display 10 is installed at the front end of a handle 11, the handle 11 is fixedly installed at the top end of the stand column 8, the display 10 is provided with a display screen 12, a function button 13 is arranged below the display screen 12, a state indicator lamp 14 and a power indicator lamp 15 are arranged at the upper end of the display screen 12, one side of the display 10 is provided with a USB interface 16, the other side of the display 10 is provided with an SIM card slot 17, and the bottom of the handle 11 is provided with a power; the lower end of the base 9 is provided with a detection antenna 19 which comprises a 125KHZ antenna 30 and a 6.8MHZ antenna 31; a transmitting coil 20 is arranged in the base 9; the main control MCU26 is respectively connected with the display 10, the power management module 27, the push-pull resonant circuit 28 and the high-gain data demodulation module 29, and the push-pull resonant circuit 28 is connected with the RFID electronic beacon through the 125KHZ antenna 30; the high gain data demodulation module 29 is connected to the RFID electronic beacon via a 6.8MHZ antenna 31. The RFID data beacon device adopted by the invention is suitable for all types of pipes, the pipeline does not need to be stopped when the beacon is detected, and the information of the pipeline type, the industry, the maintenance record and the like can be directly read; the positioning is accurate, the influence of various surrounding severe environments is avoided, and the effective detection depth reaches 2.2 meters; the adopted 125KHZ antenna has strong penetrating energy and can penetrate media such as water, soil and the like to provide energy required by the work for the marker; the adopted 6.8MHZ antenna has the characteristics of strong penetration capability and long transmission distance.

In the invention, the plurality of RFID electronic beacons comprise a first RFID electronic beacon 21, a second RFID electronic beacon 22, a third RFID electronic beacon 23 and an Nth RFID electronic beacon, N is an integer greater than 3, and the RFID electronic beacons adopt nail-shaped beacons, spherical beacons or cylindrical beacons. The RFID electronic beacon adopted by the invention works passively, does not need a battery and has long service life.

In the invention, a data transmission module 4 comprises a first optocoupler 24 and a second optocoupler 25, wherein a VF + end of the first optocoupler 24 is connected with a power supply end through a resistor D4a, two N/C ends and a VE end are both suspended, a VF-end of the first optocoupler 24 is connected with a collector of a triode B2C, an emitter of the triode B2C is grounded, a base is connected with one end of a resistor B2a, the other end of the resistor B2a is respectively connected with a collector of a triode A1C and one end of a resistor C3 a, the other end of the resistor C3 a is grounded, an emitter of a triode A1C is grounded, the base is connected with a signal input end through a resistor A1a, a GND end of the first optocoupler 24 is grounded, a VO end of the first optocoupler 24 is respectively connected with one end of a capacitor A1B, one end of a capacitor B2B and a VF; the end of the second optocoupler 25VF + is connected with a power supply end through a resistor E5 a, the two N/C ends and the VE end are both suspended, the GND end of the second optocoupler 25 is grounded, the VO end of the second optocoupler 25 is connected with one end of a resistor F6 a and a signal output end, and the other end of the resistor F6 a is connected with the power supply end. The data transmission module adopted by the invention has strong anti-interference capability, can realize long-distance signal transmission, improves the transmission efficiency of the acquired signal and greatly reduces the labor cost.

The using method of the invention comprises the following steps:

The underground pipeline fault locating device is simple in structural principle and high in intelligent degree, can be used for immediately locating when an underground pipeline breaks down, is accurate in locating, and can be used for quickly determining the pipeline attribute, so that the overhauling efficiency is improved, the time for searching for an abnormal pipeline by workers is reduced, and the working pressure is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dual frequency pipeline electronic identification location system comprising an RFID data beacon (1) and a plurality of RFID electronic beacons, characterized in that: the RFID data beacon device comprises a plurality of RFID electronic beacons, a plurality of RFID data beacons and a plurality of RFID data beacons, wherein the RFID electronic beacons are buried in underground pipelines below the ground respectively, the RFID data beacons are in signal connection with an RFID data beacon device (1), and the RFID data beacon device (1) is provided with a GPS positioning chip, a 4G communication chip and a three-dimensional positioning chip; the RFID data beacon device (1) is connected with a GIS server (3) through a wireless module (2), the GIS server (3) is connected with a dispatching center (5) through a data transmission module (4), the RFID data beacon device (1) is connected with an industrial tablet computer (7) through a Bluetooth module (6), and the industrial tablet computer (7) is in signal connection with the GIS server (3); the plurality of RFID electronic beacons comprise a first RFID electronic beacon (21), a second RFID electronic beacon (22), a third RFID electronic beacon (23) and an Nth RFID electronic beacon, N is an integer greater than 3, and the RFID electronic beacons adopt nail-shaped beacons, spherical beacons or cylindrical beacons; the wireless module (2) adopts a 4G module or a WIFI module; the RFID data beacon device (1) comprises a stand column (8), a base (9), a display (10), a main control MCU (26), a power management module (27), a push-pull resonant circuit (28) and a high-gain data demodulation module (29), wherein the stand column (8) is fixed on the base (9), the display (10) is installed at the front end of a handle (11), the handle (11) is fixedly installed at the top end of the stand column (8), a display screen (12) is arranged on the display (10), a function button (13) is arranged below the display screen (12), a state indicator lamp (14) and a power indicator lamp (15) are arranged at the upper end of the display screen (12), a USB interface (16) is arranged at one side of the display (10), an SIM card slot (17) is arranged at the other side of the display screen, and a power charging port (18) is arranged at the bottom of the handle (; a detection antenna (19) is arranged at the lower end of the base (9) and comprises a 125KHZ antenna (30) and a 6.8MHZ antenna (31), and a transmitting coil (20) is arranged in the base (9);

the main control MCU (26) is respectively connected with the display (10), the power management module (27), the push-pull resonant circuit (28) and the high-gain data demodulation module (29), and the push-pull resonant circuit (28) is connected with the RFID electronic beacon through a 125KHZ antenna (30); the high-gain data demodulation module (29) is connected with the RFID electronic beacon through a 6.8MHZ antenna (31).

2. A dual frequency pipeline electronic identity positioning system as defined in claim 1, wherein: the data transmission module (4) comprises a first optocoupler (24) and a second optocoupler (25), wherein the VF + end of the first optocoupler (24) is connected with a power supply end through a resistor D (4a), two N/C ends and a VE end are both suspended, the VF-end of the first optocoupler (24) is connected with a collector of a triode B (2C), an emitter of the triode B (2C) is grounded, a base is connected with one end of a resistor B (2a), the other end of the resistor B (2a) is respectively connected with the collector of the triode A (1C) and one end of a resistor C (3a), the other end of the resistor C (3a) is grounded, the emitter of the triode A (1C) is grounded, the base is connected with a signal input end through a resistor A (1a), the GND end of the first optocoupler (24) is grounded, the VO end of the first optocoupler (24) is respectively connected with one end of a capacitor A (1B), one end of a capacitor B (2, the other end of the capacitor A (1B) and the other end of the capacitor B (2B) are both grounded; the power end is connected through resistance E (5a) to second opto-coupler (25) VF + end, and two N/C ends and VE end are all unsettled, the GND end ground connection of second opto-coupler (25), the VO end connecting resistance F (6a) one end and the signal output part of second opto-coupler (25), the power end is connected to resistance F (6a) other end.

3. Use of a dual frequency pipeline electronic identification positioning system as defined in claim 1, characterized in that: the using method comprises the following steps: