CN113789735B - Intelligent traffic deceleration early warning device - Google Patents
Intelligent traffic deceleration early warning device Download PDFInfo
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- CN113789735B CN113789735B CN202111067990.7A CN202111067990A CN113789735B CN 113789735 B CN113789735 B CN 113789735B CN 202111067990 A CN202111067990 A CN 202111067990A CN 113789735 B CN113789735 B CN 113789735B
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- deceleration strip
- shell
- data processing
- processing unit
- energy recovery
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
Abstract
The invention relates to a traffic system deceleration early warning device, in particular to an intelligent deceleration beacon which has a communication function, is provided with an electronic control system and can generate power. The technical problems that the existing traffic deceleration strip cannot early warn vehicles in advance and the deceleration strip does not have an energy recovery function are solved. The traffic system deceleration early warning device comprises an energy recovery deceleration strip, a system control box and a road test unit; the system control box is pre-buried underground and comprises a shell made of a pressure-resistant material, a lining made of a waterproof material and arranged inside the shell, and a cover arranged at an opening at the top of the shell; a storage battery, a communication device and a master control circuit are arranged in the system control box; the master control circuit comprises a data processing unit; the communication device is connected with the data processing unit in a bidirectional way and is used for realizing communication with vehicles on a road; the data processing unit is connected with the control end of the push-up motor.
Description
Technical Field
The invention relates to a traffic system deceleration early warning device, in particular to an intelligent deceleration beacon which has a communication function, an electronic system control system and can generate power.
Background
With the progress of science and technology, the development of intelligent transportation systems. More and more autonomous vehicles with communication function enter the drive test phase. In the future, autonomous vehicles will gradually replace manually driven vehicles. Scholars expect that the autodrive vehicles on the road will reach 50% in 2050. At that time the drive test unit communicates with the vehicle to control deceleration of the vehicle. However, manually driven vehicles still exist, and speed bumps also exist in road traffic. The existing deceleration strip reduces the passing speed of a vehicle through a physical means, and even if the speed of the vehicle is minimum, the vehicle can bump, so that negative effects are generated on passengers, and the vehicle can be irreversibly damaged. Because traditional deceleration strip just can pass through the brake speed reduction when the vehicle is close to, through the back reaccelerating and resume normal speed of traveling, have very big energy loss, be unfavorable for the environmental protection. And if the driver does not find the deceleration strip, certain potential safety hazard still exists. The communication of traffic information is indispensable in the future.
In addition, when a vehicle passes through the deceleration strip, huge pressure is generated on the deceleration strip, the conventional deceleration strip only has the function of enabling the vehicle to pass through the deceleration strip in a deceleration way, and the pressure of wheels on the deceleration strip is lost; if the energy can be fully utilized, the effects of energy saving and environmental protection can be achieved.
Disclosure of Invention
The invention provides an intelligent traffic deceleration early warning device, which aims to solve the technical problems that the existing traffic deceleration strip cannot early warn vehicles in advance and the deceleration strip does not have an energy recovery function.
The invention discloses an energy recovery deceleration strip which comprises a deceleration strip shell, a deceleration strip entity and at least one energy recovery device, wherein the deceleration strip shell is fixed at the top of a road surface groove and has ductility; a push-up motor is arranged below the deceleration strip entity, and a movable rod of the push-up motor faces upwards and is arranged right opposite to the bottom of the deceleration strip entity; the energy recovery device comprises a first support rod, a second support rod, a first transmission rod rotatably mounted at the top of the first support rod, a flywheel rotatably mounted at the top of the second support rod and provided with teeth on the periphery, a circular or disc-shaped rotational inertia increasing device mounted coaxially with the flywheel and a transmission gear meshed with the flywheel; the flywheel is connected with the rotational inertia increasing device through a ratchet mechanism; one end of the first transmission rod is rotatably connected to one side of the deceleration strip entity, the other end of the first transmission rod is rotatably connected with a second transmission rod, one end of the second transmission rod is rotatably connected with the first transmission rod, and the other end of the second transmission rod is rotatably connected with a central shaft of the transmission gear; a connecting rod is rotatably connected between the central shaft of the transmission gear and the central shaft of the flywheel.
The deceleration strip solid body is used for upwards supporting the hollow deceleration strip shell with ductility to form the deceleration strip; the lifting motor is used for pushing the deceleration strip entity upwards to play a role in decelerating the driven vehicle; the energy recovery device is used for recovering energy in the up-and-down motion of the rectangular deceleration strip entity, and the rotational inertia amplifying device can store energy through rotation. The specific working principle is as follows: when a vehicle runs through a deceleration strip pavement material, the deceleration strip pavement material is deformed to a certain extent under pressure to generate certain pressure on a deceleration strip entity below, the deceleration strip entity moves downwards, one end of a first transmission rod on the deceleration strip entity rotates downwards, the other end of the first transmission rod drives a second transmission rod to rotate upwards, the transmission gear drives a flywheel meshed with the transmission rod to rotate, and the flywheel is connected with an annular or disc-shaped rotational inertia increasing device through a ratchet wheel. The movable rod of the push-up motor can move downwards in a certain stroke, so that the damage to the push-up motor cannot be caused by the movement of the deceleration strip entity.
Further, the energy recovery device also comprises a gearbox and a power generation device; the energy recovery device also comprises a gearbox and a power generation device; the flywheel comprises a ratchet wheel, a chain wheel, a pawl and a central shaft, two ends of the central shaft extend out of two sides of the flywheel and are supported by a second support rod, one end of the central shaft is movably sleeved with a connecting rod, and the other end of the central shaft penetrates through the center of the rotational inertia increasing device and is fixedly connected with the rotational inertia increasing device and is connected with an input shaft of the gearbox; the output shaft of the gearbox is connected with a power generation device.
The energy stored by the rotational inertia increasing device can be adjusted in rotation speed through the gearbox, and is generated by the power generation device and then transmitted to the corresponding power storage device for storage.
The invention relates to an intelligent traffic deceleration early warning device which is realized by adopting the following technical scheme: the system comprises an energy recovery deceleration strip, a system control box and a drive test unit;
the system control box is pre-buried underground, and a storage battery, a communication device and a master control circuit are arranged in the system control box; the master control circuit comprises a data processing unit and a position sensor; the communication device is connected with the data processing unit in a bidirectional way and is used for realizing communication with vehicles on a road; the data processing unit is connected with the control end of the pushing and lifting motor; the position sensor is used for detecting the stroke of the movable rod of the push-up motor and transmitting the stroke information to the data processing unit;
the road test unit comprises a roadbed fixer, an upright post arranged on the roadbed fixer, a communication antenna arranged on the upright post and a radar speed measuring device; the communication device is connected with a communication antenna; the radar speed measuring device is connected with the data processing unit; the storage battery supplies power to the communication device, the radar speed measuring device and the data processing unit.
The communication device receives information such as speed and position of a communicable vehicle and transmits deceleration information in a wireless transmission mode; the radar speed measuring device is used for detecting the speed of a vehicle without communication equipment, and when the fact that the vehicle is fast close to the intelligent traffic deceleration early warning device is detected, the radar speed measuring device is connected with the vehicle through a communication device through a standard communication protocol, sends deceleration information to the vehicle and receives vehicle state information. The total control circuit processes the received information (through the built-in data processing unit). If the connection is not established or the vehicle does not execute the deceleration command, the master control circuit controls the boosting motor to push up the malleable deceleration strip shell to form the deceleration strip. When the vehicle passes through the deceleration strip, the transmission device generates kinetic energy, the energy is stored, and stable voltage can be further output. If the vehicle is judged to execute the deceleration command, the boosting motor does not rise, and the vehicle can stably pass through the deceleration strip. The communication device has an information parallel processing function and can simultaneously process state information from a plurality of vehicles.
The invention realizes intelligent deceleration on a road mixed by a communicable automatic driving vehicle and an artificial vehicle. The communication automatic driving vehicle is decelerated in advance through the communication device, and energy loss caused by sudden braking is avoided. The low-speed vehicle can pass through the speed reducer smoothly, and the negative influence of the speed reducer on the vehicle and passengers is eliminated. The recycling of the energy generated by the vehicle driving makes the product more scientific and environment-friendly. The invention can be produced in batches in factories and has the advantages of low cost and quick installation.
Drawings
Fig. 1 is a schematic side sectional view (parallel to the road direction) of an energy recovery deceleration strip.
Fig. 2 is a front view (perpendicular to the road direction) of the energy recovery deceleration strip.
Fig. 3 is a perspective view of the transmission in the southwest direction.
Fig. 4 shows an underground embedded box (system control box) of the battery and the control circuit.
Fig. 5 is a schematic diagram of a drive test unit structure.
Fig. 6 is a schematic structural diagram of the overall control circuit.
Fig. 7 is a second structural diagram of the overall control circuit.
Fig. 8 is a control flow chart.
FIG. 9 is a flow chart for PID control of a transmission.
1-a deceleration strip shell, 2-a deceleration strip entity, 3-a waterproof fixing bolt, 4-a first transmission rod, 5-a second transmission rod, 6-a first support rod, 7-a second support rod, 8-a connecting rod, 9-a boosting motor, 10-a transmission gear, 11-a flywheel, 12-a rotational inertia increasing device, 13-a waterproof shell, 14-a roadbed material, 15-a gearbox, 16-a power generating device, 17-a shell, 18-a lining, 19-a cover, 20-a storage battery, 21-a main control circuit, 22-a roadbed fixer, 23-an upright post, 24-a communication antenna, 25-a solar panel and 26-a buffer material.
Detailed Description
The present invention will be further described in detail with reference to the drawings and examples, but the present invention is not limited to the examples.
Example 1
As shown in fig. 1, 2 and 3, the energy recovery deceleration strip comprises a malleable deceleration strip casing 1 fixed on the top of a road surface slot, a deceleration strip solid 2 positioned below the deceleration strip casing 1 and at least one energy recovery device; a push-up motor 9 is arranged below the deceleration strip entity 2, and a movable rod of the push-up motor 9 is arranged upwards and is opposite to the bottom of the deceleration strip entity 2; the energy recovery device comprises a first support rod 6, a second support rod 7, a first transmission rod 4 rotatably mounted at the top of the first support rod 6, a flywheel 11 rotatably mounted at the top of the second support rod 7 and provided with teeth on the periphery, a circular or disc-shaped rotational inertia increasing device 12 with the flywheel 11 having the same central axis, and a transmission gear 10 meshed with the flywheel 11; the flywheel 11 and the rotational inertia increasing device 12 are connected through a ratchet mechanism; one end of the first transmission rod 4 is rotatably connected to one side of the deceleration strip entity 2, the other end of the first transmission rod 4 is rotatably connected with the second transmission rod 5, one end of the second transmission rod 5 is rotatably connected with the first transmission rod 4, and the other end of the second transmission rod 5 is rotatably connected with a central shaft of the transmission gear 10; a connecting rod 8 is rotatably connected between the central shaft of the transmission gear 10 and the central shaft of the flywheel 11. As shown in FIG. 1, the energy recovery deceleration strip is positioned in an elongated slot perpendicular to the length direction of the lane. The connecting rod is movably sleeved on the central shaft of the flywheel and can freely rotate relative to the central shaft.
Example 2
As shown in fig. 2, the energy recovery device further includes a transmission 15 and a power generation device 16; the flywheel 11 comprises a ratchet wheel, a chain wheel, a pawl and a central shaft, two ends of the central shaft extend out of two sides of the flywheel 11 and are supported by a second support rod 7, one end of the central shaft is movably sleeved with a connecting rod 8, and the other end of the central shaft penetrates through the center of the rotational inertia increasing device 12 and is fixedly connected with the rotational inertia increasing device 12 and is connected with an input shaft of a gearbox 15; the output shaft of the gearbox 15 is connected to a power generation device 16. The ratchet wheel is movably sleeved on the central shaft, the chain wheel is fixedly sleeved on the periphery of the ratchet wheel (or is integrally formed), the central shaft is provided with a pawl matched with the ratchet wheel and used for connecting the central shaft with the ratchet wheel/chain wheel, when the chain wheel rotates towards one direction, the central shaft does not rotate under the action of the pawl, when the chain wheel rotates towards the other direction, the ratchet wheel is connected with the central shaft through the pawl, the ratchet wheel and the central shaft rotate together, and the rotational inertia increasing device 12 is driven to rotate. When the moment of inertia augmentation device 12 is annular, spokes may be provided inside the annulus to connect to the central shaft. The gearbox 15 allows the generator to obtain a stable and constant rotational speed suitable for generating electricity.
Example 3
As shown in fig. 1, the energy recovery devices are a pair and symmetrically distributed on the left side and the right side of the deceleration strip entity 2; the deceleration strip entity 2 is provided with a rotating shaft, and one end of the first transmission rod 4 of each energy recovery device is rotatably connected to the rotating shaft. As shown in fig. 2, the pair of lift motors 9 is distributed along the axial direction of the rotating shaft on the speed bump entity 2.
Example 4
As shown in fig. 1, the road surface waterproof device further comprises a waterproof shell 13 placed or fixed in a groove of a road surface; the top of the waterproof shell 13 is provided with an opening, and the deceleration strip entity 2, the energy recovery device and the push-up motor 9 are all positioned in the waterproof shell 13; the speed bump housing 1 is installed at the top opening of the waterproof housing 13.
The speed bump shell 1 is arranged at an opening at the top of the waterproof shell 13 through a waterproof fixing bolt 3, and the bolt has the functions of sealing, waterproofing and rust prevention; the deceleration strip shell 1 is of a hollow structure and is used for filling the surface of the deceleration strip shell to enable the pavement to be smooth; the deceleration strip entity 2 is of a rectangular structure and is made of a metal material; the bottom of the deceleration strip body 2 is provided with a buffer material 26, and the buffer material is used for buffering the acting force between the movable rod of the lifting motor and the deceleration strip body 2.
Example 5
In order to overcome the defects of the conventional deceleration strip, the invention provides a deceleration beacon device for a communicable automatic driving vehicle in an intelligent traffic system. The device has communication and speed detection functions and is provided with a power generation device. The vehicle with high speed decelerates and the vehicle with low speed can pass through the device without sense. Humanized deceleration is realized in the intelligent traffic system.
As shown in fig. 1-5, an intelligent traffic deceleration early warning device comprises an energy recovery deceleration strip, a system control box and a road test unit;
the system control box is pre-buried underground and comprises a shell 17 made of a pressure-resistant material, an inner liner 18 made of a waterproof material and arranged inside the shell 17, and a cover 19 arranged at an opening at the top of the shell 17; the cover has the function of sealing and preventing water;
the system control box is pre-buried underground, and a storage battery 20, a communication device and a master control circuit 21 are arranged in the system control box; the master control circuit 21 comprises a data processing unit and a position sensor; the communication device is connected with the data processing unit in a bidirectional way and is used for realizing communication with vehicles on a road; the data processing unit is connected with the control end of the push-up motor 9; the position sensor is used for detecting the stroke of a movable rod of the pushing and lifting motor 9 and transmitting stroke information to the data processing unit;
the road test unit comprises a roadbed fixator 22, an upright column 23 arranged on the roadbed fixator 22, a communication antenna 24 arranged on the upright column 23 and a radar speed measuring device; the communication device is connected with a communication antenna 24; the radar speed measuring device is connected with the data processing unit; the storage battery 20 supplies power to the communication device, the radar speed measuring device and the master control circuit 21.
As shown in fig. 6 and 7, the general control circuit controls the communication equipment, the power generation equipment and the propulsion motor to coordinate the operation of the equipment. When the vehicle approaches the deceleration strip, the radar speed measuring device transmits the speed and position information of the vehicle to the data processing unit, the data processing unit can calculate the time when the vehicle drives the deceleration strip, and the movable rod of the push-up motor is controlled to descend by a certain stroke when the vehicle drives the deceleration strip, so that the deceleration strip entity 2 is ensured not to damage the movable rod of the push-up motor. In fact, the moving distance of the deceleration strip entity 2 is not large, and the movable rod of the push-up motor can be ensured not to be damaged only by a very small stroke.
Or the buffer material 26 is installed under the deceleration strip entity, and the buffer material 26 can deform to a certain extent after being pressed down for a certain stroke by the deceleration strip entity 2, so that the movable rod of the push-up motor is ensured not to be affected almost, and the rotation of the rotational inertia increasing device is not affected.
The roadbed fixing device 22 and the upright column 23 are used for lifting the solar power generation equipment and the communication antenna to the air of 5 m.
Example 6
The master control circuit 21 further comprises a voltage sensor and a speed sensor; the voltage sensor is used for detecting the voltage intensity of the input storage battery, and the speed sensor is used for detecting the rotating speed of the output shaft of the gearbox; the signal output ends of the voltage sensor and the speed sensor are connected with the signal input end of the data processing unit; the signal output of the data processing unit is connected to the control system of the gearbox 15.
As shown in fig. 7, the data processing unit, the voltage sensor and the speed sensor together with a control system (TCU) of the transmission constitute a closed-loop control circuit, which is used for controlling the power generation device, and since the mechanical transmission device cannot output stable kinetic energy, the transmission needs to be used to provide stable rotation speed for the power generation device, so that the power generation device generates stable voltage. The closed-loop control circuit consists of a speed sensor, a voltage sensor and a corresponding control circuit. Two drive shafts refer to the drive shafts of two gearboxes. As shown in fig. 9, negative feedback PID control is employed. The forward channel is composed of a PID controller and a transfer function. The output is the voltage to the battery, which is connected to the input by negative feedback. The desired voltage (within a certain threshold range) may be set artificially in the control circuit. The proportional link coefficient ensures that the voltage rise time is within 0.1S. The differential link ensures that the overshoot is within 2 percent, and prevents the circuit from being damaged due to overlarge voltage. The integral adjustment link ensures that the steady-state error of the output voltage is 1% (namely, the difference between the steady-state error and the set voltage is 2%, and the steady-state voltage requirement of the storage battery charging can be met). The control requirement is realized by a gearbox, and the output voltage is enabled to be within the error range of the control requirement by controlling the gearbox.
The communication device comprises an LTE-V device and/or a DSRC device; the LTE-V device and/or the DSRC device communicate with vehicles on the road.
As shown in connection with fig. 6, a connection is established with the vehicle via a standard communication protocol with the LTE-V communication device via DSRC. The deceleration information is transmitted to the vehicle, and the vehicle state information is received. The received information is processed. If the connection is not established or the vehicle does not execute the deceleration command, the control circuit controls the boosting motor to push up the malleable deceleration strip shell to form the deceleration strip. When the vehicle passes through, the deceleration strip is pressed down, and the transmission device generates kinetic energy. And outputting the stable voltage through a closed-loop control circuit. If the vehicle is judged to execute the deceleration command, the boosting motor does not rise, and the vehicle can stably pass through the deceleration strip. The communication device has an information parallel processing function and can simultaneously process state information from a plurality of vehicles.
As shown in fig. 5, the drive test unit further includes a solar cell panel 25 mounted on the pillar 23; the solar panel 25 is connected to the battery 20 via the overall control circuit 21.
As shown in fig. 8, the solar panel is connected to the voltage stabilizing module via wires to output a stable voltage, and the battery is charged via the main control circuit. The storage battery supplies power to the communication device and the main control circuit. Causing the device to perform the function. The main control circuit also comprises a circuit for providing filtering, tuning and other functions for the electric power generated by the generator and the solar panel, so that the current and the voltage input into the storage battery meet the requirements of the storage battery.
Claims (2)
1. An energy recovery deceleration strip which characterized in that: the deceleration strip comprises a deceleration strip shell (1) which is fixed at the top of a road surface groove and has ductility, a deceleration strip entity (2) which is positioned below the deceleration strip shell (1) and an energy recovery device; a push-up motor (9) is arranged below the deceleration strip entity (2), and a movable rod of the push-up motor (9) is arranged upwards and is opposite to the bottom of the deceleration strip entity (2); the energy recovery device comprises a first support rod (6), a second support rod (7), a first transmission rod (4) rotatably mounted at the top of the first support rod (6), a flywheel (11) rotatably mounted at the top of the second support rod (7) and provided with teeth on the periphery, a circular or disc-shaped rotational inertia increasing device (12) coaxially mounted with the flywheel (11) and a transmission gear (10) meshed with the flywheel (11); the flywheel (11) is connected with the rotational inertia increasing device (12) through a ratchet mechanism; one end of the first transmission rod (4) is rotatably connected to one side of the deceleration strip entity (2), the other end of the first transmission rod (4) is rotatably connected with a second transmission rod (5), one end of the second transmission rod (5) is rotatably connected with the first transmission rod (4), and the other end of the second transmission rod is rotatably connected with a central shaft of the transmission gear (10); a connecting rod (8) is rotationally connected between the central shaft of the transmission gear (10) and the central shaft of the flywheel (11);
the energy recovery device also comprises a gearbox (15) and a power generation device (16); the flywheel (11) comprises a ratchet wheel, a chain wheel, a pawl and a central shaft, wherein two ends of the central shaft extend out of two sides of the flywheel (11) and are supported by a second support rod (7), one end of the central shaft is movably sleeved with a connecting rod (8), and the other end of the central shaft penetrates through the center of the rotational inertia increasing device (12), is fixedly connected with the rotational inertia increasing device (12) and is connected with an input shaft of the gearbox (15); the output shaft of the gearbox (15) is connected with a power generation device (16);
the energy recovery devices are a pair and symmetrically distributed on two sides of the deceleration strip entity (2); a rotating shaft is arranged on the speed bump entity (2), and one end of a first transmission rod (4) of each energy recovery device is rotationally connected to the rotating shaft;
the pair of the lifting motors (9) is distributed along the axial direction of the rotating shaft on the speed bump entity (2);
also comprises a waterproof shell (13) which is placed or fixed in the open slot of the road surface; an opening is formed in the top of the waterproof shell (13), and the speed bump entity (2), the energy recovery device and the push-up motor (9) are all located in the waterproof shell (13); the speed bump shell (1) is arranged at the opening at the top of the waterproof shell (13);
the speed bump shell (1) is arranged at an opening at the top of the waterproof shell (13) through a waterproof fixing bolt (3); the deceleration strip shell (1) is of a hollow structure; the deceleration strip entity (2) is of a rectangular structure and is made of metal materials; the bottom of the deceleration strip entity (2) is provided with a buffer material (26).
2. An intelligent traffic deceleration early warning device, which is characterized by comprising the energy recovery deceleration strip, a system control box and a drive test unit, wherein the energy recovery deceleration strip is as claimed in claim 1;
the system control box is pre-buried underground, and a storage battery (20), a communication device and a master control circuit (21) are arranged in the system control box; the master control circuit (21) comprises a data processing unit and a position sensor; the communication device is connected with the data processing unit in a bidirectional way and is used for realizing communication with vehicles on a road; the data processing unit is connected with the control end of the push-up motor (9); the position sensor is used for detecting the stroke of a movable rod of the pushing and lifting motor (9) and transmitting stroke information to the data processing unit;
the road test unit comprises a roadbed fixer (22), an upright post (23) arranged on the roadbed fixer (22), a communication antenna (24) arranged on the upright post (23) and a radar speed measuring device; the communication device is connected with a communication antenna (24); the radar speed measuring device is connected with the data processing unit; the storage battery (20) supplies power to the communication device, the radar speed measuring device and the master control circuit (21);
the master control circuit (21) also comprises a voltage sensor and a speed sensor; the voltage sensor is used for detecting the voltage intensity input into the storage battery (20), and the speed sensor is used for detecting the rotating speed of an output shaft of the gearbox (15); the signal output ends of the voltage sensor and the speed sensor are connected with the signal input end of the data processing unit; the signal output end of the data processing unit is connected with a control system of the gearbox (15);
the communication devices comprise LTE-V devices and/or DSRC devices; the LTE-V device and/or the DSRC device realize communication with vehicles on the road; the system control box comprises a shell (17) made of pressure-resistant materials, an inner liner (18) made of waterproof materials and arranged inside the shell (17), and a cover (19) arranged at an opening at the top of the shell (17);
the drive test unit also comprises a solar cell panel (25) arranged on the upright post (23); the solar cell panel (25) and the power generation device are connected with the storage battery (20) through the master control circuit (21);
the data processing unit, the voltage sensor, the speed sensor and a control system of the gearbox (15) jointly form a closed-loop control circuit, and the closed-loop control circuit adopts negative feedback PID to control the gearbox (15), so that the output voltage of the power generation device is within an error range required by control.
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| CN202111067990.7A CN113789735B (en) | 2021-09-13 | 2021-09-13 | Intelligent traffic deceleration early warning device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2469206Y (en) * | 2001-03-23 | 2002-01-02 | 蔡文元 | Power generator using pressure of vehicle |
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| CN113789735A (en) | 2021-12-14 |
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