CN112213793A - Vehicle separation detection light curtain sensor for toll station - Google Patents

Vehicle separation detection light curtain sensor for toll station Download PDF

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Publication number
CN112213793A
CN112213793A CN202011092454.8A CN202011092454A CN112213793A CN 112213793 A CN112213793 A CN 112213793A CN 202011092454 A CN202011092454 A CN 202011092454A CN 112213793 A CN112213793 A CN 112213793A
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light curtain
output end
output
transistor
light
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CN202011092454.8A
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Chinese (zh)
Inventor
卓文璇
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Guangzhou Wanke Technology Co Ltd
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Guangzhou Wanke Technology Co Ltd
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Priority to CN202011092454.8A priority Critical patent/CN112213793A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention relates to the technical field of light curtain sensors and discloses a light curtain sensor for vehicle separation detection in a toll station. This toll station vehicle separation detects light curtain sensor, it rotates to drive the pivot through rotating the hand wheel, the pivot drives second bevel gear and rotates, second bevel gear and the cooperation of first bevel gear, make the threaded rod rotate, and then the movable plate goes up and down under the spacing of threaded rod, the regulation to light curtain sensor height has been realized, utilize the cylinder, be convenient for adjust the interval of two sets of splint, the centre gripping is fixed to the not unidimensional light curtain sensor of having realized, the connecting plate of setting is in same horizontal plane with two sets of supporting seats, be favorable to two sets of light curtain sensors to carry out the transmission between the signal.

Description

Vehicle separation detection light curtain sensor for toll station
Technical Field
The invention relates to the technical field of light curtain sensors, in particular to a light curtain sensor for vehicle separation detection at a toll station.
Background
The vehicle separating light curtain for the toll station at the expressway is mainly used for detecting and finding vehicles at toll stations such as the expressway, the airport, the parking lot and the like, is mainly used in the occasions such as a highway toll station, an electronic toll collection system (ETC light curtain), an automatic vehicle classification system (AVC) parking toll collection system, a highway toll-by-weight system (WIM), a fixed overrun detection station, a customs vehicle management system and the like, is key equipment in a traffic control system, is an infrared vehicle detector applied to the toll station at the expressway for realizing ETC unmanned toll collection, is additionally provided with a special stainless steel protective outer cover, is internally provided with electric heating glass, a temperature controller and a humidity controller, can stably and effectively work under severe environment, the safety light curtain consists of a light projector and a light receiver, the light projector emits modulated infrared light which is received by the light receiver to form a protective net, and when an object enters the protective net, when light is blocked by an object, the light receiver circuit immediately responds through the internal control circuit, the light curtain is widely applied, safety accidents can be effectively avoided, dangers of operators and third parties are avoided, and comprehensive accident cost is reduced. The existing light curtain sensor lacks protection measures, is easy to damage due to external force collision, is unstable in fixation and reduces the use efficiency.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a toll station vehicle separation detection light curtain sensor, which solves the problems that the conventional light curtain sensor lacks a protection measure, is easy to damage due to external force collision, is unstable in fixation and reduces the use efficiency.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a light curtain sensor for the separation and detection of vehicles at toll stations comprises a connecting plate, two groups of supporting seats are respectively and fixedly connected with the left end and the right end of the connecting plate, the upper surface of the supporting seat is fixedly connected with the bottom end of the shell, the top of the shell is fixedly connected with the spring, the spring is fixedly connected with the rain shelter, the inner walls of the upper side and the lower side of the shell are respectively and rotatably connected with one end of two groups of fixed columns, the other ends of the two groups of fixed columns are respectively and fixedly connected with the two ends of the threaded rod, the threaded rod is fixedly connected with a first bevel gear which is meshed with a second bevel gear, the second bevel gear is fixedly connected with the rear end of the rotating shaft, the front end of the rotating shaft passes through the front side wall of the shell and is fixedly connected with the hand wheel, the threaded rod is in threaded connection with the movable plate, the movable plate is fixedly connected with the right end of the connecting shaft, and the left end of the connecting shaft is provided with a movable ring.
Preferably, the activity ring is provided with two sets ofly, two sets of the right-hand member swing joint of activity ring, and is two sets of the left end of activity ring is respectively with two sets of splint fixed connection, and is two sets of the upper surface of activity ring is respectively with the bottom fixed connection of two sets of fixed blocks, and is two sets of the fixed block respectively with the both ends fixed connection of cylinder, splint and light curtain sensor contact, splint are the cuboid structure, one side that splint are close to the light curtain sensor is equipped with the skid resistant course, and the skid resistant course is the rubber skid resistant course.
Preferably, the supporting seat is of an isosceles trapezoid structure, two groups of first grooves are respectively arranged on the left side and the right side of the supporting seat, the diameters of the first grooves are matched with the diameters of the fixing rods, the first grooves are connected with the fixing rods in a sliding mode, the tops of the fixing rods are fixedly connected with the pedal, strip-shaped anti-skidding road patterns are arranged on the upper surface of the pedal, the bottom end of the fixing rod is fixedly connected with the ground inserting head, the ground inserting head is of a cone structure, and the diameters of the upper surface of the ground inserting head are matched with the diameters of the fixing rods.
Preferably, one side of the shell, which is close to the opposite side, is provided with a limiting groove, the limiting groove is of a rectangular structure, and the width of the limiting groove is matched with the width of the light curtain sensor.
Preferably, the plastic hand wheel of hand wheel, the hand wheel comprises disc and handle, disc and handle looks adaptation.
Preferably, the number of the springs is a plurality of groups, and the plurality of groups of springs are uniformly distributed on the upper surface of the shell at equal intervals.
Preferably, the canopy is of an arc-shaped structure, the size of the canopy is larger than that of the shell, and the outer surface of the canopy is provided with a polyurethane waterproof coating.
Preferably, the light curtain sensor includes: the device comprises a transmitting circuit, a receiving circuit, a first control module and a second control module;
the transmitting circuit is connected with the first control module;
the receiving circuit is connected with the second control module;
the transmission circuit includes:
the first transistor is connected with the third transistor based on the first controller, the second transistor is connected with the fourth transistor based on the second controller, and the third transistor, the fourth transistor, the fifth transistor and the sixth transistor are respectively connected with the first output end, the second output end, the third output end and the fourth output end of the first control module correspondingly;
the controller is used for sending a corresponding driving turn-on command or a driving turn-off command according to the turn-on or turn-off of the third transistor;
the controller is used for sending a corresponding driving turn-on command or a driving turn-off command according to the turn-on or turn-off of the fourth transistor;
the first transistor is used for conducting or switching off according to a corresponding driving conducting command or driving switching-off command sent by the first controller;
the second transistor is used for conducting or switching off according to a corresponding driving conducting command or a driving switching-off command sent by the second controller;
the third transistor is used for conducting when the first output end outputs a high level and conducting when the first output end outputs a low level;
the fourth transistor is used for conducting when the second output end outputs a high level and conducting when the second output end outputs a low level;
the fifth transistor is used for conducting when the third output end outputs a high level and conducting when the second output end outputs a low level;
the sixth transistor is used for conducting when the fourth output end outputs a high level and conducting when the fourth output end outputs a low level;
the first emitting tube is used for emitting infrared light when the first transistor and the fifth transistor are both turned on;
the second emitting tube is used for emitting infrared light when the second transistor and the fifth transistor are both switched on;
the third emission tube is used for emitting infrared light when the fifth transistor and the sixth transistor are both switched on;
the fourth emitting tube is used for emitting infrared light when the second transistor and the sixth transistor are both switched on;
the first control module is used for controlling the first output end, the second output end, the third output end and the fourth output end to circularly work according to the light-emitting steps of the preset program, and comprises the following steps:
in the first light emitting step, the first output end and the third output end output high levels, and the second output end and the fourth output end output low levels;
in the second light emitting step, the second output end and the third output end output high levels, and the first output end and the fourth output end output low levels;
in the third light-emitting step, the first output end and the fourth output end output high levels, and the second output end and the third output end output low levels;
in the fourth light-emitting step, the second output end and the fourth output end output high levels, and the first output end and the third output end output low levels;
the receiving circuit includes:
the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube are used for respectively and correspondingly receiving the infrared light emitted by the first emitting tube, the second emitting tube, the third emitting tube and the fourth emitting tube;
the first channel, the second channel, the third channel and the fourth channel are used for respectively and correspondingly acquiring the voltage of the infrared light received by the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube, and comparing the voltage and outputting a comparison signal;
the receiving tubes and the transmitting tubes are equal in number and are in one-to-one correspondence;
the second control module is used for controlling the first input end, the second input end, the third input end and the fourth input end to circularly work according to the light receiving step of the preset program, and comprises the following steps:
in the first light receiving step, the first input end is used for outputting a corresponding signal according to the comparison signal output by the first channel, if the voltage of the first channel is greater than the voltage of the first receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the light receiving step two, the second input end is used for outputting a corresponding signal according to the comparison signal output by the second channel, if the voltage of the second channel is greater than the voltage of the second receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the third light receiving step, the third input end is used for outputting a corresponding signal according to the comparison signal output by the third channel, if the voltage of the third channel is greater than the voltage of the third receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the fourth light receiving step, the fourth input end is used for outputting a corresponding signal according to the comparison signal output by the fourth channel, if the voltage of the fourth channel is greater than the voltage of the fourth receiving tube, a high level signal is output, otherwise, a low level signal is output;
if the first input end, the second input end, the third input end and the fourth input end all output high level signals, the second control module outputs high level signals to enable the indicator lamp to be turned on, and otherwise, outputs low level signals to enable the indicator lamp to be turned off.
Preferably, the light curtain sensor for detecting vehicle separation at a toll station further comprises: a calculation module and an alarm;
the computing module is arranged on one side of the light curtain sensor and connected with the warning indicator;
the calculation module is used for calculating the fusion weight of a plurality of light curtain sensors, and comprises:
the fusion weights of the plurality of light curtain sensors are as follows:
Figure BDA0002722601680000051
in the formula (I), the compound is shown in the specification,
Figure BDA0002722601680000052
for fusion weights of multiple light curtain sensors, SiThe inherent variance of the ith light curtain sensor is shown, and n is the total number of the light curtain sensors;
the weighted fusion weights of the plurality of light curtain sensors are as follows:
Figure BDA0002722601680000061
in the formula, XiWeighted fusion weight, x, for multiple light curtain sensors1Weighted observations, x, for multiple light curtain sensors2For weighted estimates of a plurality of light curtain sensors,
Figure BDA0002722601680000062
a fusion weight for a plurality of light curtain sensors;
the constraint conditions are as follows:
Figure BDA0002722601680000063
and when the weighted fusion weights of the light curtain sensors do not meet the constraint conditions, controlling an alarm to give an alarm, otherwise, controlling the light curtain sensors to normally work.
(III) advantageous effects
Compared with the prior art, the invention provides a light curtain sensor for separating and detecting vehicles at a toll station, which has the following beneficial effects:
1. this toll station vehicle separation detects light curtain sensor, it rotates to drive the pivot through rotating the hand wheel, the pivot drives second bevel gear and rotates, second bevel gear and the cooperation of first bevel gear, make the threaded rod rotate, and then the movable plate goes up and down under the spacing of threaded rod, the regulation to light curtain sensor height has been realized, utilize the cylinder, be convenient for adjust the interval of two sets of splint, the centre gripping is fixed to the not unidimensional light curtain sensor of having realized, the connecting plate of setting is in same horizontal plane with two sets of supporting seats, be favorable to two sets of light curtain sensors to carry out the transmission between the signal.
2. This toll station vehicle separation detects light curtain sensor is equipped with bar antiskid way line through the upper surface of footboard, has increased the frictional force of surface, and the staff of being convenient for uses, will insert the ground head simultaneously and set to the centrum structure, is convenient for insert ground, sets isosceles trapezoid with the supporting seat, utilizes isosceles trapezoid to have certain stability, supports the shell, sets up the canopy into the arc structure, has prevented the erosion of rainwater, can also play the effect of sunshade.
3. This toll station vehicle separation detects light curtain sensor through the elasticity that utilizes the spring, carries out the shock attenuation to the shell of device shell, has improved the life of device, and through the hand wheel, the staff of being convenient for uses, and the middle part of movable plate is equipped with first hole, and the internal surface in first hole is equipped with the internal thread, and the surface of threaded rod is equipped with the external screw thread, and internal thread and external screw thread looks adaptation are favorable to leading to the removal of movable plate.
4. This toll station vehicle separation detects light curtain sensor, be the cuboid structure through splint, one side that splint are close to the light curtain sensor is equipped with the skid resistant course, the skid resistant course is the rubber skid resistant course, it is fixed to carry out the centre gripping to the light curtain sensor through splint, thereby certain protection has been carried out to the light curtain sensor, the shell is close to one side in the face and has seted up the spacing groove, the spacing groove is the rectangle structure, the width of spacing groove and the width looks adaptation of light curtain sensor, the light curtain sensor of being convenient for carries out the transmission of signal stability at the lift in-process.
5. This toll station vehicle separation detects light curtain sensor through setting up transmitting circuit, receiving circuit, control module one, control module two, can realize the simultaneous transmission and the receipt of light curtain sensor infrared light, has strengthened the accuracy and the sensitivity of light curtain sensor.
6. This toll station vehicle separation detects light curtain sensor through setting up calculation module, attention device, through the weight of the weighting fusion weight of calculating a plurality of light curtain sensors, and contrast constraint condition can draw whether light curtain sensor work is normally sensitive.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a structure of a limiting groove according to the present invention;
FIG. 3 is a schematic cross-sectional view of the housing of the present invention;
FIG. 4 is a schematic view of the movable ring structure of the present invention;
FIG. 5 is a schematic view of the structure of the connecting shaft of the present invention;
fig. 6 is a flow chart of the present invention.
In the figure: 1. a connecting plate; 2. a supporting seat; 3. a housing; 4. a rain shelter; 5. a spring; 6. a pedal; 7. fixing the rod; 8. inserting a ground plug; 9. a limiting groove; 10. a hand wheel; 11. a rotating shaft; 12. a light curtain sensor; 1201. a transmitting circuit; 1202. a receiving circuit; 1203. a first control module; 1204. a second control module; 13. fixing a column; 14. a threaded rod; 15. a first bevel gear; 16. a second bevel gear; 17. a movable ring; 18. a splint; 19. moving the plate; 20. a connecting shaft; 21. a cylinder; 22. and (5) fixing blocks.
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. 1-5, the present invention provides a technical solution: a light curtain sensor for the separation and detection of vehicles in a toll station comprises a connecting plate 1, wherein two groups of supporting seats 2 are fixedly connected to the left end and the right end of the connecting plate 1 respectively, the width of the connecting plate 1 is matched with that of the supporting seats 2, the upper surface of each supporting seat 2 is fixedly connected with the bottom end of a shell 3, the top of each shell 3 is fixedly connected with a spring 5, each spring 5 is made of spring steel, each spring 5 is fixedly connected with a rain shelter 4, the upper inner wall and the lower inner wall of each shell 3 are respectively rotatably connected with one ends of two groups of fixing columns 13, the other ends of the two groups of fixing columns 13 are respectively fixedly connected with the two ends of a threaded rod 14, each threaded rod 14 is fixedly connected with a first bevel gear 15, each first bevel gear 15 is meshed with a second bevel gear 16, each second bevel gear 16 is fixedly connected with the rear end of a rotating shaft 11, the, the moving plate 19 is fixedly connected with the right end of the connecting shaft 20, and the left end of the connecting shaft 20 is provided with a movable ring 17.
Specifically, for fixed light curtain sensor 12, it is provided with two sets ofly to have set up activity ring 17, the right-hand member swing joint of two sets of activity rings 17, the left end of two sets of activity rings 17 respectively with two sets of splint 18 fixed connection, the upper surface of two sets of activity rings 17 respectively with the bottom fixed connection of two sets of fixed blocks 22, two sets of fixed blocks 22 respectively with the both ends fixed connection of cylinder 21, splint 18 and light curtain sensor 12 contact, splint 18 is the cuboid structure, one side that splint 18 is close to light curtain sensor 12 is equipped with the skid resistant course, the skid resistant course is the rubber skid resistant course, it is fixed to carry out the centre gripping to light curtain sensor 12 through splint 18, thereby certain protection has been carried out to light curtain sensor 12.
Specifically, for the stability of improving the device, it is the isosceles trapezoid structure to have set up supporting seat 2, the left and right sides of supporting seat 2 is equipped with two sets of first grooves respectively, the diameter in first groove and the diameter looks adaptation of dead lever 7, first groove and dead lever 7 sliding connection, the top and the footboard 6 fixed connection of dead lever 7, the upper surface of footboard 6 is equipped with bar antiskid way line, the bottom and the first 8 fixed connection of ground of inserting of dead lever 7, ground of inserting head 8 is the centrum structure, ground of inserting head 8's upper surface diameter and the diameter looks adaptation of dead lever 7, conveniently will insert ground head 8 and insert the ground, isosceles trapezoid's stability has been utilized simultaneously, it is fixed with the device.
Specifically, for the convenience of transmitting the signal of the light curtain sensor 12, the housing 3 is provided with a limit groove 9 close to the facing side, the limit groove 9 is of a rectangular structure, the width of the limit groove 9 is matched with the width of the light curtain sensor 12, and the light curtain sensor 12 can conveniently transmit the signal stably in the lifting process.
Specifically, in order to improve the convenience of using the device, the plastic hand wheel of the hand wheel 10 is arranged, the hand wheel 10 is composed of a disc and a handle, the disc and the handle are matched, and the disc is driven to rotate through rotating the handle, so that the work is carried out.
Specifically, for the life of improvement device, the quantity that has set up spring 5 is a plurality of groups, and the even distribution of a plurality of groups spring 5 equidistance utilizes spring 5's elasticity at the upper surface of shell 3, carries out the shock attenuation, has also played certain guard action to the device when avoiding the rainwater to corrode.
Specifically, for protecting the device, it is the arc structure to have set up rainshelter 4, and rainshelter 4's size is greater than shell 3's size, and rainshelter 4's surface is polyurethane waterproof coating, has avoided the erosion of rainwater.
When the device is used, firstly, the pedal 6 is trampled, the fixing rod 7 drives the ground plug 8 to move downwards, the ground plug 8 is further inserted into the ground, the device is fixed, then the air cylinder 21 is started, the air cylinder 21 drives the fixing block 22 to move, the fixing block 22 drives the movable ring 17 to move, the light curtain sensor 12 is clamped and fixed through the clamping plate 18, finally, the hand wheel 10 is rotated by a hand of a worker, the hand wheel 10 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the threaded rod 14 to rotate, the moving plate 19 is lifted under the rotation of the threaded rod 14, and the adjustment of the height of the light curtain.
In summary, in the light curtain sensor for vehicle separation detection in toll station, the rotating shaft 11 is driven to rotate by rotating the hand wheel 10, the rotating shaft 11 drives the second bevel gear 16 to rotate, the second bevel gear 16 is matched with the first bevel gear 15, so that the threaded rod 14 rotates, and the moving plate 19 is lifted and lowered under the limit of the threaded rod 14, thereby realizing the adjustment of the height of the light curtain sensor 12, the air cylinder 21 is utilized to conveniently adjust the distance between the two groups of clamping plates 18, thereby realizing the fixed clamping of the light curtain sensors 12 with different sizes, the two groups of supporting seats 2 are positioned on the same horizontal plane through the arranged connecting plate 1, being beneficial to the transmission between signals of the two groups of light curtain sensors 12, the strip-shaped anti-skid road lines are arranged on the upper surface of the pedal 6, the friction force on the outer surface is increased, the use by workers is facilitated, meanwhile, the ground plug 8 is arranged, the isosceles trapezoid is utilized to have certain stability to support the shell 3, the rain shelter 4 is arranged to be of an arc-shaped structure to prevent rainwater erosion and achieve a sun shading effect, the elasticity of the spring 5 is utilized to absorb shock of the shell of the device shell 3, the service life of the device is prolonged, the hand wheel 10 is used for facilitating use of workers, the middle of the moving plate 19 is provided with a first hole, the inner surface of the first hole is provided with an internal thread, the outer surface of the threaded rod 14 is provided with an external thread, the internal thread is matched with the external thread to facilitate guiding movement of the moving plate 19, the clamping plate 18 is of a cuboid structure, one side, close to the light curtain sensor 12, of the clamping plate 18 is provided with an anti-slip layer which is a rubber anti-slip layer, the light curtain sensor 12 is clamped and fixed through the clamping plate 18, so that the light curtain sensor 12 is protected to a certain degree, the, the spacing groove 9 is a rectangular structure, and the width of the spacing groove 9 is matched with the width of the light curtain sensor 12, so that the light curtain sensor 12 can transmit signals stably in the lifting process.
Referring to fig. 6, the light curtain sensor 12 includes: the circuit comprises a transmitting circuit 1201, a receiving circuit 1202, a first control module 1203 and a second control module 1204;
the transmitting circuit 1201 is connected with the first control module 1203;
the receiving circuit 1202 is connected with the second control module 1204;
the transmission circuit 1201 includes:
the first transistor is connected with the third transistor based on the first controller, the second transistor is connected with the fourth transistor based on the second controller, and the third transistor, the fourth transistor, the fifth transistor and the sixth transistor are respectively connected with the first output end, the second output end, the third output end and the fourth output end of the corresponding first control module 1203;
the controller is used for sending a corresponding driving turn-on command or a driving turn-off command according to the turn-on or turn-off of the third transistor;
the controller is used for sending a corresponding driving turn-on command or a driving turn-off command according to the turn-on or turn-off of the fourth transistor;
the first transistor is used for conducting or switching off according to a corresponding driving conducting command or driving switching-off command sent by the first controller;
the second transistor is used for conducting or switching off according to a corresponding driving conducting command or a driving switching-off command sent by the second controller;
the third transistor is used for conducting when the first output end outputs a high level and conducting when the first output end outputs a low level;
the fourth transistor is used for conducting when the second output end outputs a high level and conducting when the second output end outputs a low level;
the fifth transistor is used for conducting when the third output end outputs a high level and conducting when the second output end outputs a low level;
the sixth transistor is used for conducting when the fourth output end outputs a high level and conducting when the fourth output end outputs a low level;
the first emitting tube is used for emitting infrared light when the first transistor and the fifth transistor are both turned on;
the second emitting tube is used for emitting infrared light when the second transistor and the fifth transistor are both switched on;
the third emission tube is used for emitting infrared light when the fifth transistor and the sixth transistor are both switched on;
the fourth emitting tube is used for emitting infrared light when the second transistor and the sixth transistor are both switched on;
the first control module 1203 is configured to control the first output end, the second output end, the third output end, and the fourth output end to circularly work according to a light emitting step of a preset program, and includes:
in the first light emitting step, the first output end and the third output end output high levels, and the second output end and the fourth output end output low levels;
in the second light emitting step, the second output end and the third output end output high levels, and the first output end and the fourth output end output low levels;
in the third light-emitting step, the first output end and the fourth output end output high levels, and the second output end and the third output end output low levels;
in the fourth light-emitting step, the second output end and the fourth output end output high levels, and the first output end and the third output end output low levels;
the receiving circuit 1202 includes:
the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube are used for respectively and correspondingly receiving the infrared light emitted by the first emitting tube, the second emitting tube, the third emitting tube and the fourth emitting tube;
the first channel, the second channel, the third channel and the fourth channel are used for respectively and correspondingly acquiring the voltage of the infrared light received by the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube, and comparing the voltage and outputting a comparison signal;
the receiving tubes and the transmitting tubes are equal in number and are in one-to-one correspondence;
the second control module 1204 is configured to control the first input end, the second input end, the third input end, and the fourth input end to circularly work according to the light receiving step of the preset program, and includes:
in the first light receiving step, the first input end is used for outputting a corresponding signal according to the comparison signal output by the first channel, if the voltage of the first channel is greater than the voltage of the first receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the light receiving step two, the second input end is used for outputting a corresponding signal according to the comparison signal output by the second channel, if the voltage of the second channel is greater than the voltage of the second receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the third light receiving step, the third input end is used for outputting a corresponding signal according to the comparison signal output by the third channel, if the voltage of the third channel is greater than the voltage of the third receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the fourth light receiving step, the fourth input end is used for outputting a corresponding signal according to the comparison signal output by the fourth channel, if the voltage of the fourth channel is greater than the voltage of the fourth receiving tube, a high level signal is output, otherwise, a low level signal is output;
if the first input end, the second input end, the third input end and the fourth input end all output high level signals, the second control module 1204 outputs high level signals to enable the indicator lamp to be turned on, otherwise, outputs low level signals to enable the indicator lamp to be turned off.
The working principle and the beneficial effects of the technology are as follows: the first control module 1203 controls the first transmitting tube, the second transmitting tube, the third transmitting tube and the fourth transmitting tube to transmit infrared light through the first output end, the second output end, the third output end and the fourth output end based on the first transistor, the second transistor, the third transistor and the fourth transistor of the transmitting circuit 1201 respectively, the second control module 1204 outputs an infrared light receiving command to the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube through comparison of the first input end, the second input end, the third input end and the fourth input end based on the first channel, the second channel, the third channel and the fourth channel of the receiving circuit 1202 respectively, and finally controls the indicator light to light or extinguish according to signals collected by the first input end, the second input end, the third input end and the fourth input end to remind a user, the infrared light of the light curtain sensor can be transmitted and received at the same time, and the accuracy and the sensitivity of the light curtain sensor are enhanced.
Specifically, a toll station vehicle separation detect light curtain sensor, still include: a calculation module and an alarm;
the computing module is arranged on one side of the light curtain sensor 12 and connected with the warning indicator;
the calculating module is configured to calculate the fusion weight of the light curtain sensors 12, and includes:
the fusion weights of the plurality of light curtain sensors 12 are:
Figure BDA0002722601680000131
in the formula (I), the compound is shown in the specification,
Figure BDA0002722601680000141
is a fusion weight of a plurality of light curtain sensors 12, SiThe inherent variance of the ith light curtain sensor is shown, and n is the total number of the light curtain sensors 12;
the weighted fusion weights of the plurality of light curtain sensors 12 are:
Figure BDA0002722601680000142
in the formula, XiWeighted fusion weights, x, for a plurality of light curtain sensors 121Weighted observations, x, for a plurality of light curtain sensors 122For weighted estimates of the plurality of light curtain sensors 12,
Figure BDA0002722601680000143
a fusion weight for the plurality of light curtain sensors 12;
the constraint conditions are as follows:
Figure BDA0002722601680000144
and when the weighted fusion weights of the light curtain sensors 12 do not meet the constraint conditions, controlling an alarm to give an alarm, otherwise, controlling the light curtain sensors 12 to normally work.
The working principle and the beneficial effects of the technology are as follows: the calculating module is configured to calculate the fusion weight of the light curtain sensors 12, and includes: calculating the fusion weight of the light curtain sensors 12, calculating the weighted fusion weight of the light curtain sensors 12, and judging whether the light curtain sensors work normally according to the constraint condition.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
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 (9)

1. The utility model provides a toll station vehicle separation detects light curtain sensor, includes connecting plate (1), its characterized in that: the left end and the right end of the connecting plate (1) are respectively fixedly connected with two groups of supporting seats (2), the upper surfaces of the supporting seats (2) are fixedly connected with the bottom end of the shell (3), the top of the shell (3) is fixedly connected with a spring (5), the spring (5) is fixedly connected with a rain shelter (4), the inner walls of the upper side and the lower side of the shell (3) are respectively rotatably connected with one ends of two groups of fixing columns (13), the other ends of the two groups of fixing columns (13) are respectively fixedly connected with the two ends of a threaded rod (14), the threaded rod (14) is fixedly connected with a first bevel gear (15), the first bevel gear (15) is meshed with a second bevel gear (16), the second bevel gear (16) is fixedly connected with the rear end of the rotating shaft (11), and the front end of the rotating shaft (11) penetrates through the front side wall of the shell (3) and is fixedly connected with, threaded rod (14) and movable plate (19) threaded connection, movable plate (19) and the right-hand member fixed connection of connecting axle (20), the left end of connecting axle (20) is equipped with activity ring (17).
2. The light curtain sensor for detecting the separation of vehicles at toll booths according to claim 1, wherein: activity ring (17) are provided with two sets ofly, and are two sets of the right-hand member swing joint of activity ring (17) is two sets of the left end of activity ring (17) respectively with two sets of splint (18) fixed connection, two sets of the upper surface of activity ring (17) respectively with the bottom fixed connection of two sets of fixed blocks (22), two sets of fixed block (22) respectively with the both ends fixed connection of cylinder (21), splint (18) and light curtain sensor (12) contact, splint (18) are the cuboid structure, one side that splint (18) are close to light curtain sensor (12) is equipped with the skid resistant course, and the skid resistant course is the rubber skid resistant course.
3. The light curtain sensor for detecting the separation of vehicles at toll booths according to claim 1, wherein: the supporting seat (2) is of an isosceles trapezoid structure, two groups of first grooves are respectively arranged on the left side and the right side of the supporting seat (2), the diameters of the first grooves are matched with the diameters of the fixing rods (7), the first grooves are in sliding connection with the fixing rods (7), the top of each fixing rod (7) is fixedly connected with the corresponding pedal (6), the upper surface of each pedal (6) is provided with a strip-shaped anti-skidding road pattern, the bottom end of each fixing rod (7) is fixedly connected with the corresponding ground inserting head (8), each ground inserting head (8) is of a cone structure, and the diameter of the upper surface of each ground inserting head (8) is matched with the diameter of each fixing rod (7).
4. The light curtain sensor for detecting the separation of vehicles at toll booths according to claim 1, wherein: the shell (3) is close to the facing one side and has been seted up spacing groove (9), spacing groove (9) are the rectangle structure, the width of spacing groove (9) and the width looks adaptation of light curtain sensor (12).
5. The light curtain sensor for detecting the separation of vehicles at toll booths according to claim 1, wherein: the plastic hand wheel of the hand wheel (10), the hand wheel (10) comprises a disc and a handle, and the disc is matched with the handle.
6. The light curtain sensor for detecting the separation of vehicles at toll booths according to claim 1, wherein: the number of the springs (5) is a plurality of groups, and the plurality of groups of springs (5) are equidistantly and uniformly distributed on the upper surface of the shell (3).
7. The light curtain sensor for detecting the separation of vehicles at toll booths according to claim 1, wherein: the rain shelter (4) is of an arc-shaped structure, the size of the rain shelter (4) is larger than that of the shell (3), and the outer surface of the rain shelter (4) is provided with a polyurethane waterproof coating.
8. A toll booth vehicle separation detection light curtain sensor as claimed in claim 2, wherein: the light curtain sensor (12) comprises: the device comprises a transmitting circuit (1201), a receiving circuit (1202), a first control module (1203) and a second control module (1204);
the transmitting circuit (1201) is connected with the first control module (1203);
the receiving circuit (1202) is connected with the second control module (1204);
the transmission circuit (1201) comprises:
the first transistor is connected with the third transistor based on the first controller, the second transistor is connected with the fourth transistor based on the second controller, and the third transistor, the fourth transistor, the fifth transistor and the sixth transistor are respectively connected with the first output end, the second output end, the third output end and the fourth output end of the corresponding first control module (1203);
the controller is used for sending a corresponding driving turn-on command or a driving turn-off command according to the turn-on or turn-off of the third transistor;
the controller is used for sending a corresponding driving turn-on command or a driving turn-off command according to the turn-on or turn-off of the fourth transistor;
the first transistor is used for conducting or switching off according to a corresponding driving conducting command or driving switching-off command sent by the first controller;
the second transistor is used for conducting or switching off according to a corresponding driving conducting command or a driving switching-off command sent by the second controller;
the third transistor is used for conducting when the first output end outputs a high level and conducting when the first output end outputs a low level;
the fourth transistor is used for conducting when the second output end outputs a high level and conducting when the second output end outputs a low level;
the fifth transistor is used for conducting when the third output end outputs a high level and conducting when the second output end outputs a low level;
the sixth transistor is used for conducting when the fourth output end outputs a high level and conducting when the fourth output end outputs a low level;
the first emitting tube is used for emitting infrared light when the first transistor and the fifth transistor are both turned on;
the second emitting tube is used for emitting infrared light when the second transistor and the fifth transistor are both switched on;
the third emission tube is used for emitting infrared light when the fifth transistor and the sixth transistor are both switched on;
the fourth emitting tube is used for emitting infrared light when the second transistor and the sixth transistor are both switched on;
the first control module (1203) is used for controlling the first output end, the second output end, the third output end and the fourth output end to circularly work according to the light-emitting steps of the preset program, and the first control module comprises:
in the first light emitting step, the first output end and the third output end output high levels, and the second output end and the fourth output end output low levels;
in the second light emitting step, the second output end and the third output end output high levels, and the first output end and the fourth output end output low levels;
in the third light-emitting step, the first output end and the fourth output end output high levels, and the second output end and the third output end output low levels;
in the fourth light-emitting step, the second output end and the fourth output end output high levels, and the first output end and the third output end output low levels;
the receiving circuit (1202) comprises:
the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube are used for respectively and correspondingly receiving the infrared light emitted by the first emitting tube, the second emitting tube, the third emitting tube and the fourth emitting tube;
the first channel, the second channel, the third channel and the fourth channel are used for respectively and correspondingly acquiring the voltage of the infrared light received by the first receiving tube, the second receiving tube, the third receiving tube and the fourth receiving tube, and comparing the voltage and outputting a comparison signal;
the receiving tubes and the transmitting tubes are equal in number and are in one-to-one correspondence;
the second control module (1204) is used for controlling the first input end, the second input end, the third input end and the fourth input end to circularly work according to the light receiving step of a preset program, and comprises:
in the first light receiving step, the first input end is used for outputting a corresponding signal according to the comparison signal output by the first channel, if the voltage of the first channel is greater than the voltage of the first receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the light receiving step two, the second input end is used for outputting a corresponding signal according to the comparison signal output by the second channel, if the voltage of the second channel is greater than the voltage of the second receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the third light receiving step, the third input end is used for outputting a corresponding signal according to the comparison signal output by the third channel, if the voltage of the third channel is greater than the voltage of the third receiving tube, a high level signal is output, otherwise, a low level signal is output;
in the fourth light receiving step, the fourth input end is used for outputting a corresponding signal according to the comparison signal output by the fourth channel, if the voltage of the fourth channel is greater than the voltage of the fourth receiving tube, a high level signal is output, otherwise, a low level signal is output;
if the first input end, the second input end, the third input end and the fourth input end all output high level signals, the control module II (1204) outputs high level signals to enable the indicator lamp to be turned on, otherwise, outputs low level signals to enable the indicator lamp to be turned off.
9. A toll booth vehicle separation detection light curtain sensor as claimed in claim 2, further comprising: a calculation module and an alarm;
the computing module is arranged on one side of the light curtain sensor (12) and is connected with the warning indicator;
the calculation module is used for calculating the fusion weight of a plurality of light curtain sensors (12), and comprises the following steps:
the fusion weights of the plurality of light curtain sensors (12) are:
Figure FDA0002722601670000051
in the formula (I), the compound is shown in the specification,
Figure FDA0002722601670000052
is a fusion weight of a plurality of light curtain sensors (12), SiThe inherent variance of the ith light curtain sensor is shown, and n is the total number of the light curtain sensors (12);
the weighted fusion weights of the plurality of light curtain sensors (12) are:
Figure FDA0002722601670000053
in the formula, XiWeighted fusion weights, x, for a plurality of light curtain sensors (12)1Weighted observations, x, for a plurality of light curtain sensors (12)2Are weighted estimates of a plurality of light curtain sensors (12),
Figure FDA0002722601670000054
a fusion weight for a plurality of light curtain sensors (12);
the constraint conditions are as follows:
Figure FDA0002722601670000055
and when the weighted fusion weights of the light curtain sensors (12) do not meet the constraint conditions, controlling an alarm to give out an alarm, otherwise, controlling the light curtain sensors (12) to normally work.
CN202011092454.8A 2020-10-13 2020-10-13 Vehicle separation detection light curtain sensor for toll station Withdrawn CN112213793A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112603043A (en) * 2021-01-15 2021-04-06 湖南镭目科技有限公司 Renewable resource acceptance management system
CN115684468A (en) * 2021-07-26 2023-02-03 科瑞工业自动化系统（苏州）有限公司 Electric tracing safety light curtain

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112603043A (en) * 2021-01-15 2021-04-06 湖南镭目科技有限公司 Renewable resource acceptance management system
CN115684468A (en) * 2021-07-26 2023-02-03 科瑞工业自动化系统（苏州）有限公司 Electric tracing safety light curtain

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Application publication date: 20210112