CN108225433B - Watch for road crossing indication - Google Patents
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- CN108225433B CN108225433B CN201810051672.3A CN201810051672A CN108225433B CN 108225433 B CN108225433 B CN 108225433B CN 201810051672 A CN201810051672 A CN 201810051672A CN 108225433 B CN108225433 B CN 108225433B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/02—Detectors of external physical values, e.g. temperature
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Abstract
The invention discloses a watch for road crossing indication, which comprises a watch body, a watchband connected to the watch body and a buckling mechanism for connecting two ends of the watchband, and is characterized in that: the center of the meter body is provided with a display mechanism, and the periphery of the meter body is respectively provided with a key input mechanism, a road width measuring mechanism, a vehicle detection mechanism and a reminding mechanism; the meter body is internally provided with a microcontroller, an input end group of the microcontroller is respectively and electrically connected with the key input mechanism, the road width measuring mechanism and the vehicle detection mechanism, and an output end group of the microcontroller is connected with the display mechanism and the reminding mechanism. The remarkable effects are as follows: the safety factor of a user passing through the road is greatly improved, and the occurrence probability of safety accidents can be effectively reduced; in addition, the pedestrian passing time is arranged in the passing neutral gear of the vehicle, and the passing of the vehicle is not hindered, so that the passing efficiency of the vehicle is ensured, and the utilization rate of the road is improved.
Description
Technical Field
The invention relates to the technical field of safety electronic equipment, in particular to a watch for road crossing indication.
Background
With the increasing of the automobile holding capacity and the increasing of traffic jam, it is more and more important to use the existing roads with higher efficiency. The reasonable and efficient use of the road can not only improve the safety of pedestrians and vehicles, ensure the vehicles and the pedestrians to pass quickly, save the time and the cost of vehicle users and the pedestrians, but also be beneficial to energy conservation, emission reduction and environmental protection.
In the urban road, there are the road that there are no traffic lights in many zebra crossings department, this kind of road direction vehicle speed of coming is very fast, and the driver is difficult for observing the existence of zebra crossings, like this to children, old man, or other people that have the obstacle, can safely cross the road just become a very big problem, just also cause the pedestrian to cross the dangerous height in road, pedestrian vehicle is current inefficiency.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the watch for indicating the road crossing, which assists pedestrians to pass the road by calculating the width of the road to be passed, the speed and the distance of the vehicle, and improves the safety factor of the road to pass.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a wrist-watch for crossing road and instructing, includes the table body, connects watchband on the table body, is used for the buckle mechanism who connects watchband both ends, and its key lies in: the center of the meter body is provided with a display mechanism, and the periphery of the meter body is respectively provided with a key input mechanism, a road width measuring mechanism, a vehicle detection mechanism and a reminding mechanism;
a microcontroller is arranged in the meter body, an input end group of the microcontroller is electrically connected with the key input mechanism, the road width measuring mechanism and the vehicle detecting mechanism respectively, and an output end group of the microcontroller is connected with the display mechanism and the reminding mechanism;
the display mechanism is used for displaying various data, the key input mechanism is used for inputting stride and step frequency parameters of a user, the road width measuring mechanism is used for measuring the width of the current road, the vehicle detecting mechanism is used for detecting the speed and the position of a vehicle, the microcontroller calculates and processes the acquired data, and the reminding mechanism is used for reminding the user to pass through the road at a proper time.
Furthermore, a first signal amplification circuit and a second signal amplification circuit are respectively arranged between the microcontroller and the road width measuring mechanism and between the microcontroller and the vehicle detection mechanism.
Further, the first signal amplifying circuit includes a first signal amplifier U7 and a second signal amplifier U6, a first positive phase input terminal of the first signal amplifier U7 is connected to a positive phase terminal of the road width-measuring mechanism interface, a second positive phase input terminal of the first signal amplifier U7 is connected to a negative phase terminal of the road width-measuring mechanism interface, a first output terminal and a first negative phase input terminal of the first signal amplifier U7 are grounded, a second negative phase input terminal of the first signal amplifier U7 is connected to a second output terminal thereof, a second output terminal of the first signal amplifier U7 is connected to a first positive phase input terminal of the second signal amplifier U6 through a resistor R28, a second positive phase input terminal of the second signal amplifier U6 is grounded through a resistor R30, a first negative phase input terminal of the second signal amplifier U6 is grounded through a resistor R27, a second negative phase input terminal of the second signal amplifier U6 is grounded through a resistor R25, the first output end of the second signal amplifier U6 outputs width measurement data to the microcontroller, the first output end of the second signal amplifier U6 is further connected in series with a resistor R24 and then connected with the second negative phase input end thereof, the second output end of the second signal amplifier U6 is connected in series with a resistor R29 and then connected with the second positive phase input end thereof, and the second output end of the second signal amplifier U6 is further connected in series with a resistor R26 and then connected with the first negative phase input end thereof.
Further, the second signal amplifying circuit includes a third signal amplifier U5, a first positive phase input terminal of the third signal amplifier U5 is connected to the working power source through a resistor R19 and a resistor R15, a common terminal of the resistor R19 and a resistor R15 is connected to a positive phase terminal of the vehicle detection mechanism interface, a first negative phase input terminal of the third signal amplifier U5 is connected to the working power source through a resistor R18 and a resistor R16, a common terminal of the resistor R18 and the resistor R16 is connected to a negative phase terminal of the vehicle detection mechanism interface, a second positive phase input terminal of the third signal amplifier U5 is connected to the ground through the resistor R22 in series, a second negative phase input terminal of the third signal amplifier U5 is connected to the ground through the resistor R20 in series, a second negative phase input terminal of the third signal amplifier U5 outputs the vehicle speed signal/position signal to a second signal input terminal of the microcontroller, and a first output terminal of the third signal amplifier U5 is connected to a second positive phase input terminal of the resistor R21 in series.
Further, the vehicle detection mechanism comprises a detection sensor G, a resistor R, a chip U and a capacitor C, wherein a pin 1 of the detection sensor G is respectively connected with a grounding capacitor C, a pin 8 of the chip U, a resistor R, a pin 8 of the chip U and a power VCC, a pin 2 of the detection sensor G is respectively connected with the resistor R, the resistor R and the capacitor C, a pin 3 of the detection sensor G is respectively connected with the other end of the resistor R, the other end of the capacitor C, the resistor R, the capacitor C and the resistor R and is grounded, the other end of the resistor R is respectively connected with the capacitor C and the pin 3 of the chip U, the other end of the capacitor C is connected with the capacitor C, the other end of the capacitor C is respectively connected with the resistor R, the capacitor C and the pin 1 of the chip U, the other end of the capacitor C6 is connected with a resistor R5, the other end of the resistor R5 is connected with a pin 3 of a chip U2, a pin 2 of the chip U2 is respectively connected with a resistor R8 and a capacitor C8, the other end of the capacitor C8 is respectively connected with the other end of a resistor R8, a pin 1 of the chip U2, a pin 2 of the chip U3 and a pin 3 of the chip U4, a pin 3 of the chip U3 is respectively connected with the other end of a resistor R9 and a resistor R10, the other end of the resistor R10 is respectively connected with the other end of a resistor R11 and a pin 2 of the chip U4, a pin 4 of the chip U3 is grounded, a pin 1 of the chip U3 is connected with the anode of a diode D1, the cathode of the diode.
Furthermore, a power module for supplying power to the road width measuring mechanism, the vehicle detecting mechanism, the reminding mechanism and the microcontroller is arranged in the meter body.
Furthermore, the buckling mechanism comprises a clamping tongue arranged at one end of the watchband and a plurality of clamping holes arranged at the other side of the watchband.
Further, the reminding mechanisms are uniformly distributed along the circumferential direction of the watch body.
This scheme is when using, wait to pass through the width on road to the user through saying wide mechanism and measure, through vehicle detection mechanism to the speed of a motor vehicle of going on this road with apart from user's distance measure to combine the user's stride and the stride frequency data of inputing in advance, can calculate the user and pass through the opportunity that this road required time and safety pass through, when the speed of a motor vehicle was enough with safe distance, through reminding the mechanism signals and remind the user to pass through this road.
The invention has the following remarkable effects: through inputting the parameters of the user, and detecting the width of the road to be passed, the speed and the position of the vehicle on the road, the time of the user passing the road is calculated, and the user is positively reminded to pass the road by selecting the appropriate time, so that the safety factor of the user passing the road is greatly improved, and the occurrence probability of safety accidents can be effectively reduced; in addition, the pedestrian passing time is arranged in the passing neutral gear of the vehicle, and the passing of the vehicle is not hindered, so that the passing efficiency of the vehicle is ensured, and the utilization rate of the road is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block circuit diagram of the present invention;
FIG. 3 is a circuit schematic of the microcontroller;
FIG. 4 is a schematic circuit diagram of the vehicle detection mechanism;
fig. 5 is a circuit schematic of the first signal amplifying circuit;
fig. 6 is a circuit schematic of the second signal amplifying circuit;
fig. 7 is a circuit schematic of the power supply module.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a watch for road crossing indication comprises a watch body 1, a watchband 2 connected to the watch body 1, and a buckling mechanism for connecting two ends of the watchband 2, and is characterized in that: a display mechanism 4 is arranged at the center of the watch body 1, and a key input mechanism 5, a road width measuring mechanism 6, a vehicle detection mechanism 7 and a reminding mechanism 8 are respectively arranged on the periphery of the watch body 1; the road width measuring mechanism 6 and the vehicle detecting mechanism 7 are located on the same side of the meter body, the key input mechanism 5 is located on the other side of the meter body 1, and the reminding mechanisms 8 are evenly distributed along the circumferential direction of the meter body 1.
As can be seen from fig. 1, the clasp mechanism includes a tongue 3 disposed at one end of the watchband 2 and a plurality of clasp holes 9 disposed at the other side of the watchband 2.
Referring to fig. 1 and 2, a microcontroller is arranged in the meter body 1, an input end group of the microcontroller is electrically connected with the key input mechanism 5, the road width measuring mechanism 6 and the vehicle detecting mechanism 7 respectively, and an output end group of the microcontroller is connected with the display mechanism 4 and the reminding mechanism 8;
the display mechanism 4 is used for displaying various data, the key input mechanism 5 is used for inputting stride and stride frequency parameters of a user, the road width measuring mechanism 6 is used for measuring the width of the current road, the vehicle detecting mechanism 7 is used for detecting the speed and the position of a vehicle, the microcontroller is used for calculating and processing the acquired data, and the reminding mechanism 8 is used for reminding the user of passing the road at a proper time.
As can also be seen from fig. 2, a first signal amplification circuit and a second signal amplification circuit are respectively arranged between the microcontroller and the road width measuring mechanism 6 and between the microcontroller and the vehicle detection mechanism 7.
Referring to fig. 3, the microprocessor in this example is a nRF51822 bluetooth chip.
Referring to fig. 4, the vehicle detecting mechanism 7 includes a detecting sensor G, a resistor R, a chip U and a capacitor C, wherein a pin 1 of the detecting sensor G is respectively connected to a grounding capacitor C, a pin 8 of the chip U, a resistor R, a pin 8 of the chip U and a power VCC, a pin 2 of the detecting sensor G is respectively connected to the resistor R, the resistor R and the capacitor C, a pin 3 of the detecting sensor G is respectively connected to the other end of the resistor R, the other end of the capacitor C, the resistor R, the capacitor C and the resistor R and is grounded, the other end of the resistor R is respectively connected to the capacitor C and the chip U pin 3, the other end of the capacitor C is connected to the capacitor C, the other end of the capacitor C is respectively connected to the resistor R, the capacitor C and the chip U pin 1, the other end of the capacitor C6 is connected with a resistor R5, the other end of the resistor R5 is connected with a pin 3 of a chip U2, a pin 2 of the chip U2 is respectively connected with a resistor R8 and a capacitor C8, the other end of the capacitor C8 is respectively connected with the other end of a resistor R8, a pin 1 of the chip U2, a pin 2 of the chip U3 and a pin 3 of the chip U4, a pin 3 of the chip U3 is respectively connected with the other end of a resistor R9 and a resistor R10, the other end of the resistor R10 is respectively connected with the other end of a resistor R11 and a pin 2 of the chip U4, a pin 4 of the chip U3 is grounded, a pin 1 of the chip U3 is connected with the anode of a diode D1, the cathode of the diode.
In this example, each of the chips U1 through U4 has model number L M358.
As shown in fig. 5, the first signal amplifying circuit includes a first signal amplifier U7 and a second signal amplifier U6, a first positive phase input terminal of the first signal amplifier U7 is connected to a positive phase terminal of the road width measuring unit 6 interface P5, a second positive phase input terminal of the first signal amplifier U7 is connected to a negative phase terminal of the road width measuring unit 6 interface P5, a first output terminal and a first negative phase input terminal of the first signal amplifier U7 are grounded, a second negative phase input terminal of the first signal amplifier U7 is connected to a second output terminal thereof, a second output terminal of the first signal amplifier U7 is connected to a first positive phase input terminal of the second signal amplifier U6 through a resistor R28, a second positive phase input terminal of the second signal amplifier U6 is grounded through a resistor R30, a first negative phase input terminal of the second signal amplifier U6 is grounded through a resistor R27, a second negative phase input terminal of the second signal amplifier U6 is grounded through a resistor R25, the first output end of the second signal amplifier U6 outputs width measurement data to the microcontroller, the first output end of the second signal amplifier U6 is further connected in series with a resistor R24 and then connected with the second negative phase input end thereof, the second output end of the second signal amplifier U6 is connected in series with a resistor R29 and then connected with the second positive phase input end thereof, and the second output end of the second signal amplifier U6 is further connected in series with a resistor R26 and then connected with the first negative phase input end thereof.
As shown in fig. 6, the second signal amplifying circuit includes a third signal amplifier U5, a first positive phase input terminal of the third signal amplifier U5 is connected to the working power source through a resistor R19 and a resistor R15, a common terminal of the resistor R19 and a resistor R15 is connected to a positive phase terminal of the interface of the vehicle detecting mechanism 7, a first negative phase input terminal of the third signal amplifier U5 is connected to the working power source through a resistor R18 and a resistor R16, a common terminal of the resistor R18 and the resistor R16 is connected to a negative phase terminal of the interface of the vehicle detecting mechanism 7, a second positive phase input terminal of the third signal amplifier U5 is connected in series to the resistor R22 and then grounded, a second negative phase input terminal of the third signal amplifier U5 is connected in series to the resistor R20 and then grounded, a second negative phase input terminal of the third signal amplifier U5 outputs the vehicle speed signal/position signal to a second signal input terminal of the microcontroller, and a first output terminal of the third signal amplifier U5 is connected to a second positive phase input terminal of the resistor R21 and.
As shown in fig. 2 and 7, a power module for supplying power to the road width measuring mechanism 6, the vehicle detecting mechanism 7, the reminding mechanism 8 and the microcontroller is arranged in the meter body 1. The power module comprises a conversion chip REF1, in the embodiment, an ADR3420ARJZ-R7 power management chip is adopted, the voltage input end of the conversion chip REF1 is connected with an external direct current power supply, two power output ends of the conversion chip REF1 are connected in series and then output a reference power supply to the microcontroller, and two power output ends of the conversion chip REF1 are connected in series and then grounded through a filter capacitor C19.
Of course, in specific implementation, the display mechanism 4 and the key input mechanism 5 may be integrated, and a touch display screen which is mainstream in the market today is adopted, so as to provide better user experience.
Claims (8)
1. The utility model provides a wrist-watch for crossing road and instruct, includes the table body (1), connects watchband (2) on the table body (1), is used for the lock mechanism who connects watchband (2) both ends, its characterized in that: a display mechanism (4) is arranged in the center of the meter body (1), and a key input mechanism (5), a road width measuring mechanism (6), a vehicle detection mechanism (7) and a reminding mechanism (8) are respectively arranged on the periphery of the meter body (1);
a microcontroller is arranged in the meter body (1), an input end group of the microcontroller is electrically connected with the key input mechanism (5), the road width measuring mechanism (6) and the vehicle detection mechanism (7) respectively, and an output end group of the microcontroller is connected with the display mechanism (4) and the reminding mechanism (8);
the display mechanism (4) is used for displaying various types of data, the key input mechanism (5) is used for inputting parameters of stride and step frequency of a user, the road width measuring mechanism (6) is used for measuring the width of a current road, the vehicle detection mechanism (7) is used for detecting the speed and the position of a vehicle, the microcontroller is used for calculating and processing the acquired data, and the reminding mechanism (8) is used for reminding the user of passing the road at a proper time;
when the road width measuring device is used, the road width measuring mechanism (6) measures the width of a road through which a user waits to pass, the vehicle speed of a vehicle running on the road and the distance between the vehicle and the user are measured through the vehicle detecting mechanism (7), the time required by the user to pass through the road and the safe passing time are calculated by combining the stride and the step frequency data of the user input in advance, and when the vehicle speed and the safe distance are enough, the reminding mechanism (8) sends a signal to remind the user to pass through the road.
2. The watch for a road crossing indication of claim 1, wherein: and a first signal amplification circuit and a second signal amplification circuit are respectively arranged between the microcontroller and the road width measuring mechanism (6) and between the microcontroller and the vehicle detection mechanism (7).
3. The watch for a road crossing indication of claim 2, wherein: the first signal amplifying circuit comprises a first signal amplifier U7 and a second signal amplifier U6, wherein a first positive phase input end of the first signal amplifier U7 is connected with a positive phase end of a road width measuring mechanism (6) interface, a second positive phase input end of the first signal amplifier U7 is connected with a negative phase end of the road width measuring mechanism (6) interface, a first output end and a first negative phase input end of the first signal amplifier U7 are grounded, a second negative phase input end of the first signal amplifier U7 is connected with a second output end of the first signal amplifier U7, a second output end of the first signal amplifier U7 is connected with a first positive phase input end of the second signal amplifier U6 through a resistor R28, a second positive phase input end of the second signal amplifier U6 is grounded through a resistor R30, a first negative phase input end of the second signal amplifier U6 is grounded through a resistor R27, a second negative phase input end of the second signal amplifier U6 is grounded through a resistor R25, the first output end of the second signal amplifier U6 outputs width measurement data to the microcontroller, the first output end of the second signal amplifier U6 is further connected in series with a resistor R24 and then connected with the second negative phase input end thereof, the second output end of the second signal amplifier U6 is connected in series with a resistor R29 and then connected with the second positive phase input end thereof, and the second output end of the second signal amplifier U6 is further connected in series with a resistor R26 and then connected with the first negative phase input end thereof.
4. A watch for road crossing indication according to claim 2 or 3, characterized in that: the second signal amplification circuit comprises a third signal amplifier U5, a first positive phase input end of a third signal amplifier U5 is connected with a working power supply through a resistor R19 and a resistor R15, a common end of the resistor R19 and a resistor R15 is connected to a positive phase end of an interface of a vehicle detection mechanism (7), a first negative phase input end of the third signal amplifier U5 is connected with the working power supply through a resistor R18 and a resistor R16, a common end of a resistor R18 and a resistor R16 is connected to a negative phase end of the interface of the vehicle detection mechanism (7), a second positive phase input end of the third signal amplifier U5 is connected with the resistor R22 in series and then grounded, a second negative phase input end of the third signal amplifier U5 is connected with the resistor R20 in series and then grounded, a second negative phase input end of the third signal amplifier U5 outputs a vehicle speed signal/position signal to a second signal input end of the microcontroller, and a first output end of the third signal amplifier U5 is connected with a second positive phase input end of the resistor R21 in series and then connected with.
5. The watch for a road crossing indication of claim 1, wherein: the vehicle detection mechanism (7) comprises a detection sensor G, a resistor R, a chip U and a capacitor C, wherein a pin 1 of the detection sensor G is respectively connected with a grounding capacitor C, a pin 8 of the chip U, a resistor R, a pin 8 of the chip U and a power VCC, a pin 2 of the detection sensor G is respectively connected with the resistor R, the resistor R and the capacitor C, a pin 3 of the detection sensor G is respectively connected with the other end of the resistor R, the other end of the capacitor C, the resistor R, the capacitor C and the resistor R and is grounded, the other end of the resistor R is respectively connected with the capacitor C and the pin 3 of the chip U, the other end of the capacitor C is connected with the capacitor C, the other end of the capacitor C is respectively connected with the resistor R, the capacitor C and the pin 1 of the chip, the other end of the capacitor C6 is connected with a resistor R5, the other end of the resistor R5 is connected with a pin 3 of a chip U2, a pin 2 of the chip U2 is respectively connected with a resistor R8 and a capacitor C8, the other end of the capacitor C8 is respectively connected with the other end of a resistor R8, a pin 1 of the chip U2, a pin 2 of the chip U3 and a pin 3 of the chip U4, a pin 3 of the chip U3 is respectively connected with the other end of a resistor R9 and a resistor R10, the other end of the resistor R10 is respectively connected with the other end of a resistor R11 and a pin 2 of the chip U4, a pin 4 of the chip U3 is grounded, a pin 1 of the chip U3 is connected with the anode of a diode D1, the cathode of the diode.
6. The watch for a road crossing indication of claim 1, wherein: the road width measuring mechanism (6), the vehicle detection mechanism (7), the reminding mechanism (8) and a power supply module for supplying power to the microcontroller are arranged in the meter body (1).
7. The watch for a road crossing indication of claim 1, wherein: the buckling mechanism comprises a clamping tongue (3) arranged at one end of the watchband (2) and a plurality of clamping holes (9) arranged at the other side of the watchband (2).
8. The watch for a road crossing indication of claim 1, wherein: the reminding mechanisms (8) are uniformly distributed along the circumferential direction of the watch body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810051672.3A CN108225433B (en) | 2018-01-19 | 2018-01-19 | Watch for road crossing indication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051672.3A CN108225433B (en) | 2018-01-19 | 2018-01-19 | Watch for road crossing indication |
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| CN108225433B true CN108225433B (en) | 2020-08-04 |
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| CN205883226U (en) * | 2016-08-12 | 2017-01-11 | 韩恪 | Wearable intelligence communication equipment |
| CN106344357A (en) * | 2016-10-21 | 2017-01-25 | 张磊 | Electronic blind guiding cart and blind guiding method |
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