CN110796881A - Traffic signal lamp device - Google Patents
Traffic signal lamp device Download PDFInfo
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- CN110796881A CN110796881A CN201911078985.9A CN201911078985A CN110796881A CN 110796881 A CN110796881 A CN 110796881A CN 201911078985 A CN201911078985 A CN 201911078985A CN 110796881 A CN110796881 A CN 110796881A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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Abstract
The present invention provides a traffic signal lamp device, comprising: the signal lamp comprises a fixed upright post and a cross beam arranged on the upright post, wherein a guide chute with an opening is formed on the cross beam, a plurality of slidable signal lamp bodies are arranged in the guide chute, and sliding block bulges in sliding fit with the guide chute are arranged at the upper end and the lower end of each signal lamp body; the beam is provided with a connecting block at the opening of the guide chute, and the connecting block seals the opening of the guide chute; the signal lamp body slides in the guide sliding groove through the sliding block protrusion. The traffic signal lamp device is simple in integral structure, a certain number of signal lamp bodies can be installed in the guide sliding groove of the cross beam according to actual use requirements, and the signal lamp bodies can slide in the guide sliding groove through the protrusion of the sliding block to adjust the position.
Description
Technical Field
The invention relates to a road traffic facility, in particular to a traffic signal lamp device.
Background
With the development of economy, automobiles are more and more entering the home of common people. At present, China is the biggest automobile producing country and the largest consuming country in the world. The automobile brings convenience to people to go out, can meet the self-driving desire of people, enriches and improves the life taste of people, and meanwhile, traffic jam and traffic accidents are increased. In large and medium cities, "traffic congestion" is becoming an increasingly common phenomenon, especially during rush hours. The incompleteness and imperfection of traffic command systems such as signal lamps and the like are also the reasons of traffic jam and traffic accident caused by road traffic!
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of providing a traffic signal lamp device which is simple in structure and the signal lamp body can be adjusted in a sliding mode through a guide sliding groove of a cross beam.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a traffic signal lamp apparatus, including: the signal lamp comprises a fixed upright post and a cross beam arranged on the upright post, wherein a guide chute with an opening is formed on the cross beam, a plurality of slidable signal lamp bodies are arranged in the guide chute, and sliding block bulges in sliding fit with the guide chute are arranged at the upper end and the lower end of each signal lamp body; the beam is provided with a connecting block at the opening of the guide chute, and the connecting block seals the opening of the guide chute; the signal lamp body slides in the guide sliding groove through the sliding block protrusion, so that the position of the signal lamp body is adjusted; in the technical scheme, a cutting groove communicated with the guide sliding groove is formed in the lower bottom of the cross beam, an external fixing bolt penetrates through the cutting groove to be connected with the signal lamp body, and after the position of the signal lamp body is adjusted in place, the signal lamp body is fixed on the cross beam by fastening the external fixing bolt.
Furthermore, a display screen is arranged on the cross beam; the guide chute is provided with an opening, the number of the signal lamp bodies can be arranged according to actual use requirements, and the number of the signal lamp bodies is 4 in the technical scheme.
Along with the development of economy, automobiles are more and more popular nowadays, and more traffic accidents are caused. The automobile seat belt is a safety device for restraining a passenger in a collision, and for avoiding a secondary collision between the passenger and a steering wheel, an instrument panel, or the like in the collision or a crash injury caused by the passenger being out of the vehicle in the collision. A vehicle seat belt, also known as a seat belt, is one type of occupant restraint device. The automobile seat belt is the most inexpensive and effective safety device recognized, and the seat belt is mandatory in many countries in the vehicle. The driver or the passenger on the vehicle often neglects to fasten the safety belt, and the action of not fastening the safety belt can aggravate the damage result of the person in the traffic accident. Some existing traffic signal lamp devices are only provided with a camera device, are only provided with recording and snapshot functions, and cannot effectively detect drivers who do not fasten safety belts; therefore, the traffic signal device further comprises:
the intersection shooting unit is arranged on the cross beam and used for shooting images of vehicles passing through the traffic signal lamp so as to obtain corresponding intersection vehicle images;
the position detection unit is connected with the intersection shooting unit and used for receiving a plurality of continuous intersection vehicle images on a time axis and executing the following processing aiming at each intersection vehicle image: identifying a marker corresponding to a preset marker pattern in the intersection vehicle image based on the preset marker pattern to segment a corresponding marker sub-image, and determining a coordinate value of a centroid of the marker sub-image in the intersection vehicle image to be output as a marker position corresponding to the intersection vehicle image;
the position analysis unit is connected with the position detection unit and used for receiving each marker position corresponding to each intersection vehicle image, determining whether a marker position different from a preset marker position exists in each marker position, sending a dislocation detection signal when determining that the marker position exists, and sending a non-dislocation detection signal when determining that the marker position does not exist;
the FLASH storage chip is respectively connected with the position detection unit and the position analysis unit and is used for storing the preset marker pattern and the preset marker position, wherein the preset marker position is represented by a horizontal coordinate value and a vertical coordinate value;
the dislocation direction analyzing unit is connected with the position analyzing unit and used for determining whether the positions of the markers on a time axis are distributed in an increasing or descending manner when the dislocation detection signals are received, sending a signal for moving left or right when the positions of the markers are distributed in an increasing or descending manner in the horizontal direction, and sending a signal for moving down or up when the positions of the markers are distributed in an increasing or descending manner in the vertical direction;
the direct current permanent magnet motor is respectively connected with the intersection shooting unit and the dislocation direction analyzing unit, and is used for controlling the intersection shooting unit to move to the right side when receiving the leftward movement signal and controlling the intersection shooting unit to move to the left side when receiving the rightward movement signal;
the edge point analysis unit is connected with the intersection shooting unit and used for receiving the intersection vehicle image, carrying out uniform type block processing on the intersection vehicle image to obtain each image block, and executing the following operations on each image block: detecting whether each point in the image blocks is an edge point or not, counting the number of the edge points in the image blocks, when the number of the edge points is larger than or equal to a preset number threshold value, marking the image blocks as contour blocks, and when the number of the edge points is smaller than the preset number threshold value, marking the image blocks as non-contour blocks;
an image disassembling unit, connected to the edge point analyzing unit, for receiving each contour block and each non-contour block, and performing the following operations for each contour block: measuring the contrast of the contour blocks, determining a high-frequency distribution frequency band in the contour blocks based on the contrast to serve as a target frequency band of the contour blocks, executing high-pass filtering processing based on the target frequency band on the contour blocks to obtain corresponding high-pass filtering blocks, and subtracting the high-pass filtering blocks from the contour blocks pixel by pixel to obtain and output corresponding low-pass filtering blocks;
the local processing unit is connected with the image disassembling unit and used for receiving each contour block and receiving a high-pass filtering block and a low-pass filtering block which respectively correspond to each contour block, and the following operations are executed for each contour block: performing feature enhancement processing on the high-pass filtering blocks to obtain and output corresponding feature enhancement blocks, and further adding the feature enhancement blocks and the low-pass filtering blocks pixel by pixel to obtain local enhancement blocks corresponding to the contour blocks;
the reconstruction processing unit is connected with the local processing unit and is used for receiving each non-contour block and each local reinforcing block corresponding to each contour block respectively, integrating each non-contour block with each local reinforcing block to obtain a reconstructed image and outputting the reconstructed image;
the vehicle region segmentation unit is connected with the reconstruction processing unit and used for receiving the reconstructed image, segmenting a region where a vehicle target with the largest area is located in the reconstructed image as a target region, and acquiring each brightness value of each pixel point of the target region from the target region;
the safety belt extraction unit is connected with the vehicle region segmentation unit and used for determining the number of all safety belt pixel points in the target region by taking pixel points with brightness values between a safety belt brightness upper limit threshold and a safety belt brightness lower limit threshold as safety belt pixel points and sending a safety belt extraction failure signal when the number of all safety belt pixel points in the target region is lower than the preset number of pixel points;
and the data reporting unit is connected with the safety belt extraction unit and used for compressing the target area image and then sending the compressed target area image to a server of a traffic management center when receiving the safety belt extraction failure signal.
Further, the safety belt extraction unit is further configured to send a safety belt extraction success signal when the number of all safety belt pixel points in the target area is greater than or equal to the preset number of pixel points; and the data reporting unit compresses the target area image by adopting image compression of MPEG-4 standard.
Further, the direct current permanent magnet motor is also used for controlling the intersection shooting unit to move upwards when receiving the downward movement signal; and when the upward movement signal is received, controlling the intersection shooting unit to move downwards.
Further, the dislocation direction analyzing unit is further configured to send out a disordered moving signal when determining that the positions of the markers are not distributed in an increasing or decreasing manner on the time axis.
Further, the direct current permanent magnet motor is also used for stopping the movement control of the intersection shooting unit when receiving the disordered movement signal.
Further, the direct current permanent magnet motor is also connected with the position analysis unit and used for stopping the movement control of the intersection shooting unit when the position-missing detection signal is received.
(III) advantageous effects
The traffic signal lamp device is simple in integral structure, a certain number of signal lamp bodies can be installed in the guide sliding groove of the cross beam according to actual use requirements, and the signal lamp bodies can slide in the guide sliding groove through the protrusion of the sliding block to adjust the position.
Drawings
FIG. 1 is a schematic view of a traffic signal assembly according to the present invention;
wherein: the device comprises a vertical column 1, a cross beam 2, a guide sliding groove 3, a signal lamp body 4, a sliding block bulge 5, a connecting block 6 and a display screen 7.
Detailed Description
Referring to fig. 1, the present invention provides a traffic signal lamp apparatus including: the signal lamp comprises a fixed upright post 1 and a cross beam 2 arranged on the upright post 1, wherein a guide chute 3 with an opening is formed on the cross beam 2, a plurality of slidable signal lamp bodies 4 are arranged in the guide chute 3, and slide block bulges 5 which are in sliding fit with the guide chute 3 are arranged at the upper end and the lower end of each signal lamp body 4; the beam 2 is provided with a connecting block 6 at the opening of the guide chute 3, and the connecting block 6 seals the opening of the guide chute 3; the signal lamp body 4 slides in the guide sliding groove 3 through the sliding block protrusion 5, so that the position of the signal lamp body is adjusted; in the technical scheme, a cutting groove communicated with the guide chute 3 is formed in the lower bottom of the cross beam 2, an external fixing bolt penetrates through the cutting groove to be connected with the signal lamp body 4, and after the position of the signal lamp body 4 is adjusted in place, the signal lamp body 4 is fixed on the cross beam 2 by fastening the external fixing bolt.
Wherein, a display screen 7 is arranged on the beam 2; the guide chute 3 is provided with an opening, the number of the signal lamp bodies 4 can be installed according to actual use requirements, and the number of the signal lamp bodies 4 is 4 in the embodiment.
The holistic simple structure of this embodiment traffic signal lamp device can be according to the in-service use needs, installs the signal lamp body of certain number in the direction spout of crossbeam, and signal lamp body accessible slider is protruding to carry out the slide adjusting position at the direction spout.
Along with the development of economy, automobiles are more and more popular nowadays, and more traffic accidents are caused. The automobile seat belt is a safety device for restraining a passenger in a collision, and for avoiding a secondary collision between the passenger and a steering wheel, an instrument panel, or the like in the collision or a crash injury caused by the passenger being out of the vehicle in the collision. A vehicle seat belt, also known as a seat belt, is one type of occupant restraint device. The automobile seat belt is the most inexpensive and effective safety device recognized, and the seat belt is mandatory in many countries in the vehicle. The driver or the passenger on the vehicle often neglects to fasten the safety belt, and the action of not fastening the safety belt can aggravate the damage result of the person in the traffic accident. Some existing traffic signal lamp devices are generally only provided with a camera device, are only provided with recording and snapshot functions, cannot effectively detect a driver who is not wearing a safety belt, and are not high in monitoring precision for judging whether the driver wears the safety belt or not; therefore, the traffic signal lamp apparatus of the present embodiment further includes:
the intersection shooting unit is arranged on the cross beam 2 and used for shooting images of vehicles passing through the traffic signal lamp so as to obtain corresponding intersection vehicle images;
the position detection unit is connected with the intersection shooting unit and used for receiving a plurality of continuous intersection vehicle images on a time axis and executing the following processing aiming at each intersection vehicle image: identifying a marker corresponding to a preset marker pattern in the intersection vehicle image based on the preset marker pattern to segment a corresponding marker sub-image, and determining a coordinate value of a centroid of the marker sub-image in the intersection vehicle image to be output as a marker position corresponding to the intersection vehicle image;
the position analysis unit is connected with the position detection unit and used for receiving each marker position corresponding to each intersection vehicle image, determining whether a marker position different from a preset marker position exists in each marker position, sending a dislocation detection signal when determining that the marker position exists, and sending a non-dislocation detection signal when determining that the marker position does not exist;
the FLASH storage chip is respectively connected with the position detection unit and the position analysis unit and is used for storing the preset marker pattern and the preset marker position, wherein the preset marker position is represented by a horizontal coordinate value and a vertical coordinate value;
the dislocation direction analyzing unit is connected with the position analyzing unit and used for determining whether the positions of the markers on a time axis are distributed in an increasing or descending manner when the dislocation detection signals are received, sending a signal for moving left or right when the positions of the markers are distributed in an increasing or descending manner in the horizontal direction, and sending a signal for moving down or up when the positions of the markers are distributed in an increasing or descending manner in the vertical direction;
the direct current permanent magnet motor is respectively connected with the intersection shooting unit and the dislocation direction analyzing unit, and is used for controlling the intersection shooting unit to move to the right side when receiving the leftward movement signal and controlling the intersection shooting unit to move to the left side when receiving the rightward movement signal;
the edge point analysis unit is connected with the intersection shooting unit and used for receiving the intersection vehicle image, carrying out uniform type block processing on the intersection vehicle image to obtain each image block, and executing the following operations on each image block: detecting whether each point in the image blocks is an edge point or not, counting the number of the edge points in the image blocks, when the number of the edge points is larger than or equal to a preset number threshold value, marking the image blocks as contour blocks, and when the number of the edge points is smaller than the preset number threshold value, marking the image blocks as non-contour blocks;
an image disassembling unit, connected to the edge point analyzing unit, for receiving each contour block and each non-contour block, and performing the following operations for each contour block: measuring the contrast of the contour blocks, determining a high-frequency distribution frequency band in the contour blocks based on the contrast to serve as a target frequency band of the contour blocks, executing high-pass filtering processing based on the target frequency band on the contour blocks to obtain corresponding high-pass filtering blocks, and subtracting the high-pass filtering blocks from the contour blocks pixel by pixel to obtain and output corresponding low-pass filtering blocks;
the local processing unit is connected with the image disassembling unit and used for receiving each contour block and receiving a high-pass filtering block and a low-pass filtering block which respectively correspond to each contour block, and the following operations are executed for each contour block: performing feature enhancement processing on the high-pass filtering blocks to obtain and output corresponding feature enhancement blocks, and further adding the feature enhancement blocks and the low-pass filtering blocks pixel by pixel to obtain local enhancement blocks corresponding to the contour blocks;
the reconstruction processing unit is connected with the local processing unit and is used for receiving each non-contour block and each local reinforcing block corresponding to each contour block respectively, integrating each non-contour block with each local reinforcing block to obtain a reconstructed image and outputting the reconstructed image;
the vehicle region segmentation unit is connected with the reconstruction processing unit and used for receiving the reconstructed image, segmenting a region where a vehicle target with the largest area is located in the reconstructed image as a target region, and acquiring each brightness value of each pixel point of the target region from the target region;
the safety belt extraction unit is connected with the vehicle region segmentation unit and used for determining the number of all safety belt pixel points in the target region by taking pixel points with brightness values between a safety belt brightness upper limit threshold and a safety belt brightness lower limit threshold as safety belt pixel points and sending a safety belt extraction failure signal when the number of all safety belt pixel points in the target region is lower than the preset number of pixel points;
and the data reporting unit is connected with the safety belt extraction unit and used for compressing the target area image and then sending the compressed target area image to a server of a traffic management center when receiving the safety belt extraction failure signal.
The safety belt extraction unit is further used for sending a safety belt extraction success signal when the number of all safety belt pixel points in the target area is larger than or equal to the preset pixel point number; and the data reporting unit compresses the target area image by adopting image compression of MPEG-4 standard.
The direct-current permanent magnet motor is also used for controlling the intersection shooting unit to move upwards when receiving the downward movement signal; and when the upward movement signal is received, controlling the intersection shooting unit to move downwards.
The dislocation direction analysis unit is also used for sending out a disordered moving signal when the positions of the markers on the time axis are determined not to be distributed in an increasing or descending manner. The direct current permanent magnet motor is further used for stopping the movement control of the intersection shooting unit when the disordered movement signal is received. The direct current permanent magnet motor is further connected with the position analysis unit and used for stopping the movement control of the intersection shooting unit when the position-missing-detection signal is received.
The seatbelt extraction device is implemented by a graphics processor. A graphics processor (abbreviated as GPU), also called a display core, a visual processor, and a display chip, is a microprocessor specially used for image operation on a personal computer, a workstation, a game machine, and some mobile devices (such as a tablet computer and a smart phone). The graphic processor is used for converting and driving display information required by a computer system, providing a line scanning signal for the display and controlling the correct display of the display, is an important element for connecting the display and a personal computer mainboard, and is also one of important equipment for man-machine conversation. The display card is an important component in the computer host, takes charge of outputting display graphics, and is very important for people engaged in professional graphic design.
By adopting the traffic signal lamp device, the technical problem that whether a driver wears a safety belt or not in the prior art is low in monitoring precision can be solved, and whether the driver wears the safety belt or not in a vehicle is determined based on the number of the pixel points of the safety belt in an image, so that the driving safety of the vehicle on a road is improved; judging the position deviation condition of the intersection shooting equipment based on the pixel level analysis results of a plurality of continuous shooting images on a time axis, and performing corresponding position correction by adopting a direct current permanent magnet motor, thereby improving the quality of output data of the intersection shooting equipment; aiming at each image block, different segmentation, enhancement and reconstruction processing are executed based on internal data of the image block, so that the flexibility of image processing is improved, and the technical problem is solved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A traffic signal device, comprising: the signal lamp comprises a fixed upright post (1) and a cross beam (2) arranged on the upright post (1), wherein a guide chute (3) with an opening is formed on the cross beam (2), a plurality of slidable signal lamp bodies (4) are arranged in the guide chute (3), and slide block bulges (5) which are in sliding fit with the guide chute (3) are arranged at the upper end and the lower end of each signal lamp body (4); the crossbeam (2) is in the opening part of direction spout (3) is installed connecting block (6).
2. Traffic signal device according to claim 1, characterized in that a display screen (7) is arranged on the cross-beam (2).
3. A traffic signal device as recited in claim 2, further comprising:
the intersection shooting unit is arranged on the cross beam (2) and used for shooting images of vehicles passing through the traffic signal lamp so as to obtain corresponding intersection vehicle images;
the position detection unit is connected with the intersection shooting unit and used for receiving a plurality of continuous intersection vehicle images on a time axis and executing the following processing aiming at each intersection vehicle image: identifying a marker corresponding to a preset marker pattern in the intersection vehicle image based on the preset marker pattern to segment a corresponding marker sub-image, and determining a coordinate value of a centroid of the marker sub-image in the intersection vehicle image to be output as a marker position corresponding to the intersection vehicle image;
the position analysis unit is connected with the position detection unit and used for receiving each marker position corresponding to each intersection vehicle image, determining whether a marker position different from a preset marker position exists in each marker position, sending a dislocation detection signal when determining that the marker position exists, and sending a non-dislocation detection signal when determining that the marker position does not exist;
the FLASH storage chip is respectively connected with the position detection unit and the position analysis unit and is used for storing the preset marker pattern and the preset marker position, wherein the preset marker position is represented by a horizontal coordinate value and a vertical coordinate value;
the dislocation direction analyzing unit is connected with the position analyzing unit and used for determining whether the positions of the markers on a time axis are distributed in an increasing or descending manner when the dislocation detection signals are received, sending a signal for moving left or right when the positions of the markers are distributed in an increasing or descending manner in the horizontal direction, and sending a signal for moving down or up when the positions of the markers are distributed in an increasing or descending manner in the vertical direction;
the direct current permanent magnet motor is respectively connected with the intersection shooting unit and the dislocation direction analyzing unit, and is used for controlling the intersection shooting unit to move to the right side when receiving the leftward movement signal and controlling the intersection shooting unit to move to the left side when receiving the rightward movement signal;
the edge point analysis unit is connected with the intersection shooting unit and used for receiving the intersection vehicle image, carrying out uniform type block processing on the intersection vehicle image to obtain each image block, and executing the following operations on each image block: detecting whether each point in the image blocks is an edge point or not, counting the number of the edge points in the image blocks, when the number of the edge points is larger than or equal to a preset number threshold value, marking the image blocks as contour blocks, and when the number of the edge points is smaller than the preset number threshold value, marking the image blocks as non-contour blocks;
an image disassembling unit, connected to the edge point analyzing unit, for receiving each contour block and each non-contour block, and performing the following operations for each contour block: measuring the contrast of the contour blocks, determining a high-frequency distribution frequency band in the contour blocks based on the contrast to serve as a target frequency band of the contour blocks, executing high-pass filtering processing based on the target frequency band on the contour blocks to obtain corresponding high-pass filtering blocks, and subtracting the high-pass filtering blocks from the contour blocks pixel by pixel to obtain and output corresponding low-pass filtering blocks;
the local processing unit is connected with the image disassembling unit and used for receiving each contour block and receiving a high-pass filtering block and a low-pass filtering block which respectively correspond to each contour block, and the following operations are executed for each contour block: performing feature enhancement processing on the high-pass filtering blocks to obtain and output corresponding feature enhancement blocks, and further adding the feature enhancement blocks and the low-pass filtering blocks pixel by pixel to obtain local enhancement blocks corresponding to the contour blocks;
the reconstruction processing unit is connected with the local processing unit and is used for receiving each non-contour block and each local reinforcing block corresponding to each contour block respectively, integrating each non-contour block with each local reinforcing block to obtain a reconstructed image and outputting the reconstructed image;
the vehicle region segmentation unit is connected with the reconstruction processing unit and used for receiving the reconstructed image, segmenting a region where a vehicle target with the largest area is located in the reconstructed image as a target region, and acquiring each brightness value of each pixel point of the target region from the target region;
the safety belt extraction unit is connected with the vehicle region segmentation unit and used for determining the number of all safety belt pixel points in the target region by taking pixel points with brightness values between a safety belt brightness upper limit threshold and a safety belt brightness lower limit threshold as safety belt pixel points and sending a safety belt extraction failure signal when the number of all safety belt pixel points in the target region is lower than the preset number of pixel points;
and the data reporting unit is connected with the safety belt extraction unit and used for compressing the target area image and then sending the compressed target area image to a server of a traffic management center when receiving the safety belt extraction failure signal.
4. The traffic signal device of claim 3, wherein the seat belt extracting unit is further configured to signal a seat belt extraction success if the number of all seat belt pixels in the target area is greater than or equal to the preset number of pixels; and the data reporting unit compresses the target area image by adopting image compression of MPEG-4 standard.
5. The traffic signal lamp device according to claim 4, wherein the DC permanent magnet motor is further configured to control the intersection shooting unit to move upward when receiving the downward movement signal; and when the upward movement signal is received, controlling the intersection shooting unit to move downwards.
6. The traffic signal apparatus as claimed in claim 5, wherein the dislocation direction analyzing unit is further configured to issue a chaotic movement signal when it is determined that the respective marker positions are not distributed in an increasing or decreasing manner on the time axis.
7. The traffic signal device of claim 6, wherein the DC permanent magnet motor is further configured to stop the movement control of the intersection capture unit upon receiving the disordered movement signal.
8. The traffic signal lamp device according to any one of claims 1 to 7, wherein the DC permanent magnet motor is further connected to the position analyzing unit for stopping the movement control of the intersection capturing unit when the no-missing-position detection signal is received.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911078985.9A CN110796881A (en) | 2019-11-07 | 2019-11-07 | Traffic signal lamp device |
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| CN201911078985.9A CN110796881A (en) | 2019-11-07 | 2019-11-07 | Traffic signal lamp device |
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