CN210166941U - Intelligent warning signal system for intersection - Google Patents
Intelligent warning signal system for intersection Download PDFInfo
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- CN210166941U CN210166941U CN201921097216.9U CN201921097216U CN210166941U CN 210166941 U CN210166941 U CN 210166941U CN 201921097216 U CN201921097216 U CN 201921097216U CN 210166941 U CN210166941 U CN 210166941U
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Abstract
The utility model relates to a traffic safety warns technical field, discloses crossing intelligence warning signal system, include: the device comprises a plurality of microwave radar sensors, a main controller connected with the microwave radar sensors, a warning device connected with the main controller and a power supply device connected with the microwave radar sensors, the main controller and the warning device. The microwave radar sensor is used for detecting the direction and the speed of the passing vehicle and outputting the direction and the speed to warn the passing pedestrian and the passing vehicle, the cost is low, the precision is high, and the traffic accidents are avoided to the maximum extent.
Description
Technical Field
The utility model belongs to the technical field of traffic safety warning technique and specifically relates to a crossing intelligence warning signal system is related to.
Background
With the acceleration of the development of cities and towns, the quantity of vehicles kept is continuously increased, the number of accompanying traffic accidents is also increased year by year, and particularly at crossroads, the drivers cannot see the vehicles running straight on the main road due to negligence or limited vision, so that the drivers cannot avoid the vehicles in time to cause traffic accidents.
In order to solve the above problems, the utility model with the grant publication number of CN205354380U discloses a traffic warning system for a level crossing without signal lamps, which comprises a detection device, an acousto-optic warning device, a controller and a lithium battery, wherein the detection device is arranged on a first vertical rod and is erected on one side of a main trunk, the acousto-optic warning device is arranged on a second vertical rod and is erected on one side of an auxiliary trunk, and the detection device, the acousto-optic warning device and the controller are wirelessly connected to form a warning system; the first vertical rod and the second vertical rod are internally provided with lithium batteries. The system monitors the running state of vehicles on the main road of the level crossing in real time through the device, and sends out safety warning signals to motor vehicles and non-motor vehicles running on the auxiliary road, so that the occurrence of traffic accidents can be reduced to the maximum extent.
However, in the above technical solution, the detection device does not disclose a specific structure, and the existing vehicle speed detection device has the problems of low precision and poor reliability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crossing intelligence warning signal system, its direction and the speed that utilize microwave radar sensor to detect passing vehicle and output in order to warn passing pedestrian and vehicle, with low costs, the precision is high, avoids the emergence of traffic accident furthest.
The utility model provides an intersection intelligence warning signal system includes: the device comprises a plurality of microwave radar sensors, a main controller connected with the microwave radar sensors, a warning device connected with the main controller and a power supply device connected with the microwave radar sensors, the main controller and the warning device.
By adopting the technical scheme, the microwave radar sensor continuously transmits microwave signals according to a certain frequency according to preset parameters, when pedestrians or vehicles enter a limited range of the microwave signals in the transmitting direction of the microwave signals, the microwave signals are reflected by obstacles of the pedestrians or vehicles, the microwave radar sensor receives the reflected signals and feeds the reflected signals back to the main controller, the main controller marks the microwave radar sensor which feeds back the reflected signals, the signals fed back by the microwave radar sensor are converted into relative speed values, the marked direction information and the fed back relative speed value information of the microwave radar sensor are transmitted to passing pedestrians and vehicles through the warning device, and therefore traffic accidents are avoided to the maximum extent.
In some embodiments, a digital signal processor is disposed between the microwave radar sensor and the main controller, an amplifying circuit and an a/D converter are coupled in series between the microwave radar sensor and the digital signal processor, the amplifying circuit is coupled with the microwave radar sensor, and the a/D converter is coupled with the digital signal processor.
By adopting the technical scheme, the amplifying circuit is used for amplifying the reflected signal fed back by the microwave radar sensor; the A/D converter collects the signal amplified by the amplifying circuit, converts the signal from an analog domain to a digital domain, and sends the signal to the digital signal processor for measurement and filtering.
In some embodiments, the digital signal processor is in communication connection with the main controller through an RS serial port and/or an RS serial port.
By adopting the technical scheme, the data processed by the digital signal processor is sent to the main controller through the RS485 serial port or the RS232 serial port, and in addition, the RS232 serial port can also be used for configuring parameters.
In some embodiments, the amplifying circuit and the digital signal processor are both coupled to a low-noise power circuit, and a digital-to-analog isolation circuit is coupled between the digital signal processor and the low-noise power circuit.
By adopting the technical scheme, the low-noise power supply and the digital-analog isolating circuit perform noise reduction and isolation processing on the input voltage and then supply power to the amplifying circuit and the digital signal processor, and 12V direct current is input to the input end of the low-noise power supply circuit.
In some embodiments, the alert device comprises a display and/or a voice announcer.
By adopting the technical scheme, the warning mode can be selected according to actual use scenes and requirements, and the warning mode is diversified and flexible.
In some embodiments, the power supply device comprises a mains unit and/or a battery unit.
Through the technical scheme, the system is powered through the commercial power unit and/or the storage battery unit, so that the power supply mode is flexible, and the normal operation of the system is ensured.
In some embodiments, the battery unit includes a solar panel, a charge and discharge controller coupled to the solar panel, and a battery pack coupled to the charge and discharge controller.
Through adopting above-mentioned technical scheme, convert solar energy into the electric energy of system normal operating through solar cell panel, spontaneous self-service, surplus electricity storage is in storage battery, energy saving, green.
In some embodiments, the microwave radar warning device comprises a support standing at a road intersection, the solar panel is mounted at the top of the support, a plurality of microwave radar sensors are mounted below the solar panel, an accommodating box is arranged on the support, the main controller, the charge-discharge controller and the storage battery are all located in an accommodating box cavity, and the warning device is located on the accommodating box.
By adopting the technical scheme of the commercial tenant, the microwave radar sensor continuously transmits microwave signals according to preset parameters and a certain frequency, when pedestrians or vehicles enter a limited range of the microwave signals in the transmitting direction of the microwave signals, the microwave signals are reflected by obstacles of the pedestrians or vehicles, the microwave radar sensor receives the reflected signals and feeds the reflected signals back to the main controller, the main controller marks the microwave radar sensor which feeds back the reflected signals, the signals fed back by the microwave radar sensor are converted into relative speed values, and the marked direction information and the fed back relative speed value information of the microwave radar sensor are transmitted to the passing pedestrians and vehicles through the warning device, so that traffic accidents are avoided to the maximum extent; the solar cell panel converts solar energy into electric energy for normal operation of the system, the electric energy is used by oneself, and the residual electricity is stored in the storage battery, so that the energy is saved, and the solar cell panel is green and environment-friendly.
In some embodiments, the microwave radar sensor pass through adjusting member with the leg joint, adjusting member with the support links firmly, be equipped with the arc slide that is located vertical side on the adjusting member, the microwave radar sensor is articulated with adjusting member point, and has linked firmly a bolt, the bolt is worn to locate in the arc slide and locking.
By adopting the technical scheme, the pitch angle of the microwave radar sensor is adjusted by the aid of the scale, and the detection range of the microwave radar sensor is convenient to adjust.
To sum up, the utility model provides an intersection intelligence warning signal system compares with prior art and has following advantage:
1. the microwave radar sensor is adopted to detect the information of the passing vehicles, including the direction and the speed of the coming vehicles, and the detected information is output through the display and/or the voice broadcasting device to prompt the passing vehicles and the pedestrians in time, so that the cost is low, the precision is high, and the traffic accidents are avoided to the maximum extent;
2. the system is powered by the commercial power unit and/or the storage battery unit, so that the power supply mode is flexible, and the normal operation of the system is ensured;
3. the solar energy is converted into electric energy for normal operation of the system through the solar panel, the electric energy is used by self, and the residual electricity is stored in the storage battery, so that the energy is saved, and the system is green and environment-friendly;
4. through display and/or voice broadcast ware to passing vehicle and pedestrian in time remind, the warning mode is nimble.
Drawings
Fig. 1 is the overall structure schematic diagram of the intersection traffic warning device provided by the utility model.
Fig. 2 is a schematic view of a connection structure of the microwave radar sensor and the bracket.
Fig. 3 is the utility model provides a crossing intelligence warning signal system's modular structure schematic diagram.
Fig. 4 is a block diagram of a functional module of the microwave radar sensor in fig. 3.
Fig. 5 is a schematic block diagram of the main controller in fig. 3.
Fig. 6 is a schematic block diagram of the battery cell of fig. 3.
In the figure, 1, a microwave radar sensor; 2. a main controller; 21. a CPU; 22. a comparison unit; 23. a storage unit; 3. a warning device; 31. a display; 32. a voice broadcaster; 4. a power supply device; 41. a mains supply unit; 42. a battery cell; 420. a sleeve; 421. a solar panel; 422. a charge and discharge controller; 423. a battery pack; 5. a digital signal processor; 51. an amplifying circuit; 52. an A/D converter; 6. an RS485 serial port; 7. an RS232 serial port; 8. a low noise power supply circuit; 9. a digital-to-analog isolation circuit; 10. a support; 101. an accommodating box; 11. an adjustment member; 111. an arc-shaped slideway; 112. a bolt; 113. the hinge point.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses a crossing intelligence warning signal system installs in the road junction, especially thread and the intersection that the branch line does not have the traffic lights. Referring to fig. 1, for the utility model discloses a crossing traffic warning device, including the support 10 that stands on road junction, a plurality of microwave radar sensor 1 that are used for launching microwave signal and receive reflected signal are installed to support 10 upper portion circumference, and microwave radar sensor 1 is the axial of a road trunk of perpendicular to respectively (in the utility model discloses in this embodiment, use the scene to be for crossroad, consequently, install 2 microwave radar sensor 1 here, and the axial setting of a road trunk of perpendicular to respectively). As shown in fig. 1 and fig. 2, the microwave radar sensor 1 is connected with the support 10 through the adjusting member 11, the adjusting member 11 is fixedly connected with the support 10, the adjusting member 11 is provided with an arc-shaped slideway 111 located in the vertical direction, a hinge point 113 is formed in the circle center position of the arc-shaped slideway 111, the microwave radar sensor 1 is hinged to the adjusting member 11 through a hinge pin at the hinge point 113 position, meanwhile, the microwave radar sensor 1 is fixedly connected with a bolt 112, the bolt 112 is arranged in the arc-shaped slideway 111 in a penetrating manner and is locked through a nut, therefore, the bolt 112 can slide along the arc-shaped slideway 111, and the pitch angle of the microwave radar sensor 1 can. As shown in fig. 1, the housing box 101 is installed on the bracket 10 above the microwave radar sensor 1, and the solar panel 421 is installed on the top of the bracket. The solar cell panel 421 is sleeved with the support 10 through the sleeve 420, so that the solar cell panel 421 can rotate around the support 10 conveniently, and the direction is adjusted.
As shown in fig. 3, includes: above-mentioned microwave radar sensor 1, a main control unit 2, warning device 3 and power supply unit 4, wherein, microwave radar sensor 1 all is connected with main control unit 2, main control unit 2 is used for receiving the reflected signal of microwave radar sensor 1 feedback, mark the microwave radar sensor 1 of reflected signal that feeds back, and convert reflected signal into relative velocity value, warning device 3 is connected with main control unit 2, a relative velocity value that direction and the reflected signal that is used for outputting the microwave radar sensor 1 of reflected signal that feeds back correspond, power supply unit 4 and microwave radar sensor 1, main control unit 2 and warning device 3 are connected, provide stable operating voltage for the system. The microwave radar sensor 1 continuously transmits microwave signals according to a certain frequency according to preset parameters, when pedestrians or vehicles enter a limited range of the microwave signals in the transmitting direction of the microwave signals, the microwave signals are reflected by obstacles of the pedestrians or vehicles, the microwave radar sensor 1 receives the reflected signals and feeds the reflected signals back to the main controller 2, the main controller 2 marks the microwave radar sensor 1 which feeds back the reflected signals, the signals fed back by the microwave radar sensor 1 are converted into relative speed values, the direction information and the fed back relative speed values of the marked microwave radar sensor 1 are transmitted to the passing pedestrians and vehicles through the warning device 3, and therefore traffic accidents are avoided to the maximum extent.
As shown in fig. 4, the microwave radar sensor 1 is connected to the main controller 2 through a microwave radar sensor function module, the microwave radar sensor function module includes a digital signal processor 5 (DSP) and a low-noise power supply circuit 8 for supplying power to the digital signal processor 5, an amplifying circuit 51 and an a/D converter 52 connected in series are coupled between the microwave radar sensor 1 and the digital signal processor 5, the amplifying circuit 51 is coupled to the microwave radar sensor 1, the a/D converter 52 is coupled to the digital signal processor 5, the digital signal processor 5 is in communication connection with the main controller 2 through an RS485 serial port 6 and/or an RS232 serial port 7, a digital-to-analog isolating circuit 9 is coupled between the digital signal processor 5 and the low-noise power supply circuit 8, the low-noise power supply circuit 8 is directly coupled to the amplifying circuit 51, and 12V dc is input to an input end of the low-noise power supply circuit 8. The amplifying circuit 51 is used for amplifying a reflected signal fed back by the microwave radar sensor 1; the A/D converter 52 collects the signal amplified by the amplifying circuit 51, converts the signal from an analog domain to a digital domain, and sends the signal to the digital signal processor 5 for measurement and filtering; the data processed by the digital signal processor 5 is sent to the main controller 2 through the RS485 serial port 6 or the RS232 serial port 7; in addition, the RS232 serial port 7 can also be used for configuring parameters.
As shown in fig. 5, the main controller 2 includes:
the CPU21 is in communication connection with the digital signal processor 5 through an RS485 serial port 6 or an RS232 serial port 7, receives the reflected signal, marks the microwave radar sensor 1 which feeds back the reflected signal, and converts the signal fed back by the microwave radar sensor 1 into a relative speed value;
a storage unit 23, coupled to the CPU21, which stores a speed threshold in advance;
the comparison unit 22 is coupled to the CPU21 and the storage unit 23, and compares the relative velocity value fed back by the microwave radar sensor 1 with the velocity threshold stored in the storage unit 23, and when the relative velocity value fed back by the microwave radar sensor 1 is greater than the velocity threshold, the relative velocity value is fed back to the CPU21, and the CPU21 sends an instruction to the warning device 3.
As shown in fig. 1, warning device 3 is for installing a plurality of displays 31 and a voice broadcast ware 32 outside holding box 101 in the utility model discloses in this embodiment, two displays 31 are installed outside holding box 101, and respectively towards two road trunks at the crossroad, display 31 and voice broadcast ware 32 all are coupled with CPU21, the instruction that execution CPU21 sent, the relative velocity value that is about to change into of signal of microwave radar sensor 1 feedback shows in display 31 and/or through voice broadcast ware 32 voice broadcast, warn when the relative velocity value of microwave radar sensor 1 feedback is greater than the speed threshold value very much simultaneously.
As shown in fig. 3, the power supply device 4 includes a utility power unit 41 and/or a storage battery unit 42, the utility power unit 41 is a utility power component for connecting with a utility power line, as shown in fig. 1 and 6, the storage battery unit 42 includes the above-mentioned solar cell panel 421, a charge and discharge controller 422 coupled with the solar cell panel 421, and a storage battery 423 coupled with the charge and discharge controller 422.
As shown in fig. 1, the main controller 2, the charge/discharge controller 422, the utility power unit 41, and the storage battery 423 are integrated in the cavity of the accommodating box 101.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. Crossing intelligence warning signal system, its characterized in that includes: a plurality of microwave radar sensors (1), main control unit (2), with main control unit (2) that microwave radar sensor (1) is connected, with warning device (3) that main control unit (2) are connected and with power supply unit (4) that microwave radar sensor (1), main control unit (2) and warning device (3) are connected.
2. The crossing intelligent warning signal system according to claim 1, wherein a digital signal processor (5) is arranged between the microwave radar sensor (1) and the main controller (2), an amplifying circuit (51) and an A/D converter (52) are coupled in series between the microwave radar sensor (1) and the digital signal processor (5), the amplifying circuit (51) is coupled with the microwave radar sensor (1), and the A/D converter (52) is coupled with the digital signal processor (5).
3. The intersection intelligent warning signal system according to claim 2, wherein the digital signal processor (5) is in communication connection with the main controller (2) through an RS485 serial port (6) and/or an RS232 serial port (7).
4. The crossing intelligent warning signal system according to claim 2, wherein the amplifying circuit (51) and the digital signal processor (5) are both coupled to a low noise power circuit (8), and a digital-to-analog isolation circuit (9) is coupled between the digital signal processor (5) and the low noise power circuit (8).
5. The crossing intelligent warning signal system according to claim 1, characterized in that the warning device (3) comprises a display (31) and/or a voice announcer (32).
6. The crossing intelligent warning signal system according to claim 1, wherein the power supply device (4) comprises a mains supply unit (41) and/or a storage battery unit (42).
7. The crossing intelligent warning signal system of claim 6, wherein the battery unit (42) comprises a solar panel (421), a charge and discharge controller (422) coupled to the solar panel (421), and a battery pack (423) coupled to the charge and discharge controller (422).
8. The crossing intelligent warning signal system according to claim 7, comprising a support (10) standing at a road crossing, wherein the solar cell panel (421) is installed at the top of the support (10), the plurality of microwave radar sensors (1) are installed below the solar cell panel (421), an accommodating box (101) is arranged on the support (10), the main controller (2), the charge and discharge controller (422) and the storage battery (423) are all located in the accommodating box (101), and the warning device (3) is located on the accommodating box (101).
9. The crossing intelligent warning signal system according to claim 8, wherein the microwave radar sensor (1) is connected with the support (10) through an adjusting member (11), the adjusting member (11) is fixedly connected with the support (10), an arc-shaped slideway (111) located in the vertical direction is arranged on the adjusting member (11), the microwave radar sensor (1) is hinged with the adjusting member (11) in point and is fixedly connected with a bolt (112), and the bolt (112) penetrates through the arc-shaped slideway (111) and is locked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097216.9U CN210166941U (en) | 2019-07-13 | 2019-07-13 | Intelligent warning signal system for intersection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921097216.9U CN210166941U (en) | 2019-07-13 | 2019-07-13 | Intelligent warning signal system for intersection |
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| CN210166941U true CN210166941U (en) | 2020-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349442A (en) * | 2019-07-13 | 2019-10-18 | 常州市为华软件系统有限公司 | Crossing intelligence warning sign systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349442A (en) * | 2019-07-13 | 2019-10-18 | 常州市为华软件系统有限公司 | Crossing intelligence warning sign systems |
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