CN112002135A - Road surface piezoelectricity self-power supply information transfer module based on intelligent traffic light control system - Google Patents
Road surface piezoelectricity self-power supply information transfer module based on intelligent traffic light control system Download PDFInfo
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- CN112002135A CN112002135A CN202010657609.1A CN202010657609A CN112002135A CN 112002135 A CN112002135 A CN 112002135A CN 202010657609 A CN202010657609 A CN 202010657609A CN 112002135 A CN112002135 A CN 112002135A
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- Prior art keywords
- piezoelectric
- control system
- traffic light
- road surface
- information transfer
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- 238000004146 energy storage Methods 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a road surface piezoelectric self-powered information transfer module based on an intelligent traffic light control system, which comprises a shell, wherein a plurality of piezoelectric unit groups, an energy collecting device and two wireless sensor modules are arranged in the shell, the energy collecting device comprises a rectifying module and an energy storage module, the piezoelectric unit groups are respectively connected with the rectifying module through first wires, the rectifying module is connected with the energy storage module through second wires, and the energy storage module is respectively connected with the wireless sensors through third wires.
Description
Technical Field
The invention relates to a pavement piezoelectric self-powered information transfer module based on an intelligent traffic light control system.
Background
The coordination of the relationship among people, vehicles and roads is more and more emphasized by the traffic department and also more and more becomes a basic hardware index for measuring the urban infrastructure. In addition to improving traffic by road repair, the control of traffic lights has become an important component and technical means of modern urban traffic monitoring and commanding systems. The traditional traffic signal lamp control method is characterized in that vehicles at each intersection are controlled to sequentially pass through a red light, a green light and a yellow light at intervals according to T-shaped, cross and multiple intersections, the green light passing time of the intersection with more vehicles is short, the intersection with no vehicles or few vehicles is lighted, the number of vehicles at the intersection in any time interval is random, and the traffic signal lamp control is difficult to artificially preset.
The existing traffic light control system is generally an open-loop control system, and the traffic light is relatively fixed and cannot be self-adjusted due to the traffic condition. The traffic system is more humanized and harmonious in order to solve the problems that no vehicles pass when the number of the vehicles at the intersection is small and the green lights at the intersection pass for short time and traffic jam and the like. An intelligent traffic light control system needs to be designed. In an intelligent traffic control system, a module for realizing real-time detection and feedback of traffic flow is designed, and is the most important part for realizing intelligent traffic control, so that closed-loop control is realized.
Disclosure of Invention
In view of the defects of the background art, the technical problem to be solved by the invention is to provide a pavement piezoelectric self-powered information transmission module based on an intelligent traffic light control system. The module generates electric energy through piezoelectricity to carry out self-power supply through the vibration generated by passing vehicles, can detect traffic flow and vehicle speed information, and realizes intelligent control of traffic lights through the traffic flow and the vehicle speed information.
Therefore, the invention provides a road surface piezoelectric self-powered information transmission module based on an intelligent traffic light control system, which comprises a shell, wherein a plurality of piezoelectric unit groups, an energy collection device and two wireless sensor modules are arranged in the shell, the energy collection device comprises a rectification module and an energy storage module, the piezoelectric unit groups are respectively connected with the rectification module through first leads, the rectification module is connected with the energy storage module through second leads, and the energy storage module is respectively connected with the wireless sensors through third leads.
The intelligent traffic light has the advantages that the passing traffic generates vibration through the shell, the piezoelectric unit group in the shell converts the vibration into electric energy, the generated electric energy supplies power to the wireless sensor through the energy storage module, the wireless sensor collects information such as traffic flow and vehicle speed, the information is converted into electric signals through the wireless sensor and is transmitted to the PLC control system for analysis and processing, and the electric signals are fed back to the traffic light group to realize intelligent control of the traffic light.
Drawings
Fig. 1 is a schematic structural diagram of a housing body of a pavement piezoelectric self-powered information transfer module based on an intelligent traffic light control system according to the present invention;
fig. 2 is a schematic structural diagram of a cover plate of the pavement piezoelectric self-powered information transfer module based on the intelligent traffic light control system in fig. 1;
fig. 3 is a schematic view of a connection structure of components in a housing body of a pavement piezoelectric self-powered information transfer module based on an intelligent traffic light control system according to the present invention;
fig. 4 is a schematic structural diagram of a rectifier module of the road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system in fig. 3;
fig. 5 is a schematic structural diagram of a piezoelectric transducer of the pavement piezoelectric self-powered information delivery module based on the intelligent traffic light control system in fig. 3;
fig. 6 is a schematic structural diagram of a silica gel gasket of the pavement piezoelectric self-powered information transfer module based on the intelligent traffic light control system in fig. 3;
fig. 7 is a flow chart of the use of the pavement piezoelectric self-powered information transfer module based on the intelligent traffic light control system for the intelligent traffic control system according to the present invention.
Detailed Description
Referring to fig. 1 to 7, the road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system comprises a housing, wherein a plurality of piezoelectric unit groups, an energy collection device and two wireless sensor modules are arranged in the housing, the number of the piezoelectric unit groups is preferably four, the energy collection device comprises a rectification module 2 and an energy storage module 3, the plurality of piezoelectric unit groups are respectively connected with the rectification module 2 through first wires 4, the rectification module 2 is connected with the energy storage module 3 through second wires 5, and the energy storage module 3 is respectively connected with the wireless sensors through third wires 6.
The casing includes casing body 7 and apron 8, casing body 7 and apron 8 adopt the ya keli material, casing body 7 border has draw-in groove 9 all around, 8 borders all around of apron have with the protruding edge 10 of draw-in groove adaptation, during the connection status, go into in draw-in groove 9 along 10 card protruding edges on the apron, casing body 7 closely laminates with apron 8, rectifier module mounting groove 11, energy storage module mounting groove 12, two wireless module mounting grooves 13 and a plurality of piezoelectricity mounting groove 14 have in casing body 7.
A plurality of piezoelectricity mounting grooves 14 communicate with rectifier module mounting groove 11 through first connecting groove 15 respectively, the piezoelectricity unit group is arranged in piezoelectricity mounting groove 14, and the quantity and the shape and size of piezoelectricity mounting groove 14 and piezoelectricity unit group looks adaptation. The piezoelectric unit group is composed of a plurality of piezoelectric units 1, the number of the piezoelectric units in each group of piezoelectric unit group is preferably five, and five piezoelectric units are overlapped and arranged in the piezoelectric mounting groove. The piezoelectric unit 1 includes a piezoelectric transducer 16 and a silicone gasket 17. The piezoelectric transducer 16 comprises piezoelectric ceramics 33 and a copper sheet 34, wherein the piezoelectric ceramics 33 is attached to the copper sheet 34, and the diameter of the piezoelectric ceramics 33 is smaller than that of the copper sheet 34. The piezoelectric ceramics are PZT-5 piezoelectric ceramics, and the bottom of the piezoelectric installation groove 14 is provided with a circular bulge 18. The bottom is provided with a circular bulge to increase the deformation of the piezoelectric ceramic, so that larger generating capacity is achieved.
The silica gel gasket 17 is arranged on the upper end face of the piezoelectric transducer 16, an upward convex cylinder 19 is arranged at the center of the silica gel gasket 17, and the diameter of the bottom of the silica gel gasket 17, which is in contact with the piezoelectric transducer 16, is larger than the diameter of the piezoelectric transducer 16. When the piezoelectric unit group is stressed, the silica gel gasket 17 enables the piezoelectric transducer 16 to be stressed to the maximum extent, and the maximum power generation amount is achieved. The edge of the silica gel gasket 17 is provided with a gap 18, one end of the first lead 4 is welded on the piezoelectric transducer 16, and the other end of the first lead 4 is connected with the rectifying module 2. The junction of first wire 4 and piezoelectric transducer 16 is located silica gel gasket breach 18 department, the 4 other end of first wire is connected with rectifier module 2, the position of breach 18 is used for the welding point of first wire 4 and piezoelectric transducer 16, breach 18 position is located to the welding point, during casing body 7 and 8 lock states of apron, the cylinder 19 upper surface of the silica gel gasket of piezoelectric unit group top supports on the internal surface of apron, first wire 4 and piezoelectric transducer 16's welding point establish with silica gel gasket breach 18 department, prevent that apron 8 from pushing down the welding point, it is inseparabler to make apron 8 and casing body 7 lock simultaneously. Each piezoelectric transducer in the piezoelectric unit group is respectively connected with the rectifying module through a first lead, and the first lead 4 is arranged in the corresponding first connecting groove 15.
The rectifier module 2 is arranged in the rectifier module mounting groove 11, the rectifier module 2 is a unit circuit board 26, and the unit circuit board 26 is a copper-clad substrate glass fiber board. The unit circuit board is provided with a plurality of rectifier bridges 20, a second wiring point 21 and a plurality of first wiring points 22, the plurality of first wiring points 22 are positioned at the corners of the unit circuit board and correspond to the piezoelectric transducers 16, and the other end of the first lead 4 is connected with the first wiring points 22.
The energy storage module 3 is arranged in the energy storage module mounting groove 12, the energy storage module 3 comprises a battery 23 and an integrated circuit board 24, and the battery 23 is a lithium polymer battery. The integrated circuit board 24 and the battery 23 are connected by a wire, the integrated circuit board 24 has an output port and an input port 25, the input port 25 is connected with one end of the second wire 5, the other end of the second wire 5 is connected to the second wiring point 21 of the unit circuit board 26, the rectifying module mounting groove 11 is communicated with the energy storage module mounting groove 12 by a second connecting groove 27, and the second wire 5 is arranged in the second connecting groove 27.
The two wireless sensor modules are respectively arranged in the two wireless module mounting grooves 13, the two wireless sensors are a temperature wireless sensor 28 and a pressure wireless sensor 29, the output ports comprise a first output port 30 and a second output port 31, the first output port 30 is connected with the temperature wireless sensor 28 through a third lead 6, and the second output port 31 is connected with the pressure wireless sensor 29 through the third lead 6. The two wireless module mounting grooves 13 are respectively communicated with the energy storage module mounting groove 12 through a third connecting groove 32, and the third conducting wire 6 is arranged in the third connecting groove 32.
When the intelligent temperature wireless sensor is used, the plurality of pavement piezoelectric self-powered information transmission modules are uniformly embedded at the intersection of a road, a passing vehicle vibrates through the pavement piezoelectric self-powered information transmission modules, the piezoelectric transducers 16 are pressed on the silica gel gaskets 17 to the maximum extent under the generated vibration effect, the maximum piezoelectric quantity is reached, the electric quantity is transmitted to the rectification module 2 through the first wires 4, alternating current is rectified into direct current through the rectification module 2, the direct current is transmitted to the integrated circuit board 24 through the second wires 21, the integrated circuit board 24 charges the battery 23 after processing the current, and the battery respectively supplies power to the temperature wireless sensor 28 and the pressure wireless sensor 29 through two output ports of the integrated circuit board 23. The temperature wireless sensor 28 and the pressure wireless sensor 29 are respectively positioned at two sides of the energy storage module 3. The wireless temperature sensor 28 mainly monitors the temperature conditions in the module, ensures the working conditions to be stable, and can take measures in advance if the temperature is abnormal, thereby preventing the disorder of the intelligent traffic control system. The pressure wireless sensor 29 monitors and collects information such as traffic flow and vehicle speed through vibration generated by passing vehicles, signals in the pressure wireless sensor 29 and the temperature wireless sensor are wirelessly transmitted to the signal conversion device, and the signal transmission device converts the information into electric signals. The electric signals are input into the PLC control system through the wireless transmission system for analysis and processing, information such as traffic flow and speed of the road is obtained, and the information is fed back to the traffic light set to realize intelligent control of the traffic lights. The intersections are connected through Ethernet interfaces, and signals are all transmitted to the PLC control system, so that the interlocking control of the traffic lights among the intersections, the remote computer monitoring of the traffic lights and the networking and information management of the traffic system are realized.
Claims (10)
1. The utility model provides a road surface piezoelectricity self-power supply information transfer module based on intelligent transportation lamp control system which characterized by: the wireless sensor energy collection device comprises a housing, a plurality of piezoelectric unit groups, an energy collection device and two wireless sensor modules are arranged in the housing, the energy collection device comprises a rectification module and an energy storage module, the piezoelectric unit groups are connected with the rectification module through first wires respectively, the rectification module is connected with the energy storage module through second wires, and the energy storage module is connected with the wireless sensor through third wires respectively.
2. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 1, wherein: piezoelectric unit group comprises a plurality of piezoelectric unit, piezoelectric unit includes piezoelectric transducer and silica gel gasket, the silica gel gasket is arranged in the piezoelectric transducer up end, the center department of silica gel gasket has the bellied cylinder that makes progress, silica gel gasket edge has the breach, and the welding of first wire one end is on piezoelectric transducer, first wire is located silica gel gasket breach department with piezoelectric transducer's junction, and the first wire other end is connected with rectifier module.
3. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 2, wherein: the piezoelectric transducer comprises piezoelectric ceramics and a copper sheet, wherein the piezoelectric ceramics are attached to the copper sheet, and the diameter of the piezoelectric ceramics is smaller than that of the copper sheet.
4. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 2 or 3, wherein: the rectifier module is the unit circuit board, unit circuit board is last to have a plurality of rectifier bridges, second wiring point and a plurality of first wiring point, a plurality of first wiring point are located unit circuit board edge and correspond with the piezoelectric transducer position, the first wire other end is connected with first wiring point.
5. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 4, wherein: the energy storage module comprises a battery and an integrated circuit board, the integrated circuit board is connected with the battery through a wire, the integrated circuit board is provided with an output port and an input port, the input port is connected with one end of a second wire, and the other end of the second wire is connected to a second wiring point of the unit circuit board.
6. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 5, wherein: the two wireless sensors are temperature wireless sensors and pressure wireless sensors, the output port comprises a first output port and a second output port, the first output port is connected with the temperature wireless sensors through a third conducting wire, and the second output port is connected with the pressure wireless sensors through a third conducting wire.
7. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 4, 5 or 6, wherein: the unit circuit board adopts a copper-clad substrate glass fiber board.
8. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 1, 2, 3, 4, 5 or 6, wherein: the casing includes casing body and apron, this internal rectifier module mounting groove, energy storage module mounting groove, two wireless module mounting grooves and a plurality of piezoelectricity mounting groove of having of casing, the piezoelectricity unit group is arranged in the piezoelectricity mounting groove, and rectifier module arranges the rectifier module mounting groove in, and energy storage module arranges the energy storage module mounting groove in, and two wireless sensor modules arrange two wireless module mounting grooves in respectively, and a plurality of piezoelectricity mounting grooves are respectively through first spread groove and rectifier module mounting groove intercommunication, first wire is arranged in first spread groove, rectifier module mounting groove passes through second spread groove intercommunication with the energy storage module mounting groove, in the second spread groove is arranged in to the second wire, a plurality of wireless module mounting grooves communicate through the third spread groove with the energy storage module mounting groove respectively, the third spread groove is arranged in to the third wire.
9. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 8, wherein: the edge of the shell body is provided with a clamping groove, and the edge of the cover plate is provided with a convex edge matched with the clamping groove.
10. The road surface piezoelectric self-powered information transfer module based on the intelligent traffic light control system as claimed in claim 2, wherein: the piezoelectric transducer comprises piezoelectric ceramics and a copper sheet, wherein the piezoelectric ceramics are attached to the copper sheet, and the diameter of the piezoelectric ceramics is smaller than that of the copper sheet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657609.1A CN112002135A (en) | 2020-07-09 | 2020-07-09 | Road surface piezoelectricity self-power supply information transfer module based on intelligent traffic light control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010657609.1A CN112002135A (en) | 2020-07-09 | 2020-07-09 | Road surface piezoelectricity self-power supply information transfer module based on intelligent traffic light control system |
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| CN202010657609.1A Pending CN112002135A (en) | 2020-07-09 | 2020-07-09 | Road surface piezoelectricity self-power supply information transfer module based on intelligent traffic light control system |
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|---|---|---|---|---|
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| CN207319464U (en) * | 2017-10-26 | 2018-05-04 | 浙江海洋大学 | A kind of novel traffic instruction device |
| CN111193439A (en) * | 2020-01-02 | 2020-05-22 | 温州大学 | Novel combined structure type pedestrian pavement piezoelectric unit utilizing direct piezoelectric effect |
-
2020
- 2020-07-09 CN CN202010657609.1A patent/CN112002135A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006235797A1 (en) * | 2005-12-29 | 2007-07-19 | Aldo Tonelli | Sensor intended to be embedded in a layer of cement material of a pavement and security system including said sensor |
| CN103198676A (en) * | 2013-03-21 | 2013-07-10 | 孙广辉 | Energy-saving-type intelligent traffic light control system |
| CN203217770U (en) * | 2013-03-21 | 2013-09-25 | 孙广辉 | An energy-saving intelligent traffic light control system |
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Application publication date: 20201127 |
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