TWM461080U - A wireless transmission timing circuit - Google Patents

Description

Timing circuit for wireless transmission

The present invention relates to a timing circuit for wireless transmission, and more particularly to providing a wireless timing circuit for setting a first sensing unit and a second sensing unit respectively at a starting point, an ending point, and an intermediate point of a game route, and using a plurality of settings. The distance sensors in the first and second sensing units measure the distance and time of the self-propelled vehicles through the starting point, the ending point and the intermediate point of the game route by wireless detection.

The self-propelled car powered by a DC motor is battery-powered and uses a high-contrast two-color route (such as black and white) as the basis for its forward route, and how the self-propelled car quickly detects the route and follows the track. It is the key point for the self-propelled car race to reach the end point in the shortest time. The self-propelled car race needs a timing system to judge various data of the arrival time of each participating vehicle. Therefore, the timing system is an essential configuration that is indispensable for many races. The timing system products are mostly wired. The disadvantages are that wiring is required during the layout of the site. At the end, it is necessary to clean up and arrange the wiring. Therefore, the wireless module is used as the transmission information medium, and the user can place the timing system component at any position. , exclude space restrictions on physical wiring.

Based on solving the above-mentioned shortcomings of the prior art, the present invention is a timing circuit for wireless transmission. The main purpose is to provide a wireless timing circuit, and the first sensing unit and the second sensing unit are respectively set at the starting point of the competition route. End point and intermediate point, and Using a plurality of distance sensors disposed in the first and second sensing units, wirelessly detecting the distance and time of the self-propelled vehicles through the starting point, the ending point, and the intermediate point of the game route, and The first sensing unit wirelessly transmits the data of each distance and time to a server, and the server collects the data of each distance and time to obtain the speed data of each vehicle, and automatically calculates each self-propelled vehicle. The ranking of the game.

Another purpose of this creation is to identify the identity of each self-propelled vehicle before the official competition of the self-propelled car. The staff will check the identity and manually input the confirmation before the match, in order to match the score with the competitors, and consider the simplified procedure and To increase work efficiency, this case is combined with Radio Frequency Identification (RFID) technology. After the identity data registration is completed, the RFID tag of the self-propelled vehicle data will be attached to the self-propelled car participating in the competition. Just by taking the self-propelled car close to an RFID reader, the system instantly identifies the identity and automatically establishes a matching database, reducing the burden on the staff and reducing the chance of error.

Another purpose of this creation is to send all the messages to a server through the Bluetooth module, and perform data processing such as record and display of the database. Since the communication structure of the entire timing system component is wireless, communication with the server is Bluetooth. Therefore, the user can design the overall system very flexibly, for example, placing a multi-point position, that is, analyzing the speed change of each section of the vehicle.

In order to achieve the above purpose, the present invention is a timing circuit for wireless transmission, which is installed in one of a plurality of self-propelled vehicles to test the distance and time of a plurality of self-propelled vehicles. The method includes: a first sensing unit disposed at a starting point of the game route, comprising: a first short-distance transmission module having a short-range wireless transmission function; and a first RF module, With wireless RF transmission; a first distance sensor for detecting the distance data of the self-propelled vehicles; a radio frequency identification reader for reading the radio frequency identification tags of the self-propelled vehicles to obtain the a first self-propelled vehicle identity data; a first processor for controlling the first short-distance transmission module, the first radio frequency module, the first distance sensor, and the radio frequency identification reader; a power source for providing power to the first sensing unit; at least one second sensing unit disposed at an end of the game route, including a second distance sensor, a second RF module, and a second processor And a second power source, the second power source provides power of the second sensing unit, and the second RF module transmits the data detected by the second distance sensor to the first RF module, the second The processor is configured to control the second short-distance transmission module and the second radio frequency module; and a server, and a second short-distance transmission module is configured to receive the distance transmitted by the first short-distance transmission module Time information and identity information of the self-propelled vehicles, and Data do a deal.

In order to further explain this creation, it is helpful to review the work of the review committee by the following diagram, diagram description and detailed description of the creation.

1‧‧‧First sensing unit

11‧‧‧First distance sensor

12‧‧‧First RF Module

13‧‧‧RF reader

14‧‧‧First short distance transmission module

15‧‧‧First processor

16‧‧‧First power supply

2‧‧‧Server

21‧‧‧Second short distance transmission module

3‧‧‧Second sensing unit

31‧‧‧Second distance sensor

32‧‧‧Second RF module

33‧‧‧second processor

34‧‧‧second power supply

4‧‧‧Self-driving car

41‧‧‧RF Identification Label

5‧‧‧ Tournament route

51‧‧‧ starting point

52‧‧‧ intermediate point

53‧‧‧ End

FIG. 1 is a functional block diagram diagram of a timing circuit for creating a wireless transmission in a game route; FIG. 2 is a functional block diagram of a timing circuit for wireless transmission.

The following structure is used to explain the detailed structure of the creation and its connection relationship, so as to help your audit committee to understand.

Please refer to FIG. 1 , which is a functional block diagram of a wireless transmission timing circuit set on a competition route, which is used in one of a plurality of self-propelled vehicles 4 to test a plurality of self-propelled vehicles. For the distance and time of 5, the self-propelled vehicle 5 is provided with a radio frequency identification tag 41, and a first sensing unit 1 is disposed at the starting point 51 of the game route 5, and a destination 53 is disposed at the end point 53 of the game route 5. The second sensing unit 3, and the second sensing unit 3 can be disposed at a plurality of intermediate points 52 of the game route 5, and the distance and time data returned by the plurality of second sensing units 3 are borrowed. The data of each distance and time is collected by a server 2 to obtain the speed data of each of the vehicles 4, and the rankings of the self-propelled vehicles 4 can be automatically calculated.

As shown in FIG. 2, it is a timing circuit for wireless transmission, comprising: a first sensing unit 1 disposed at a starting point of the game route, comprising: a first short-distance transmission module 14 having a short a wireless transmission function; a first radio frequency (RF) module 12 having a radio frequency transmission function; a first distance sensor 11 for detecting distance information of the self-propelled vehicles; and an RFID reader The RFID reader 13 is configured to read the RFID tags 41 of the self-propelled vehicles 4 to obtain the identity data of the self-propelled vehicles 4; a first processor 15 is configured to control the first a short distance transmission module 14, the first radio frequency module 12, the first distance sensor 11 and the radio frequency identification reader 13; a first power source 16, providing power of the first sensing unit 1; A second sensing unit 3 is disposed at the end of the game route, and includes a second distance sensor 31, a second radio frequency (RF) module 32, a second processor 33, and a second power source 34. The second power source 34 provides power of the second sensing unit 3, and the second RF module 32 senses the second distance. The detection data of the device 31 is transmitted to the first RF module 12, and the second processor 33 is configured to control the second short-distance transmission module 31 and the second RF module 32. Second short distance transmission module 21, can receive the distance and time data transmitted by the first short-distance transmission module 14 and the identity data of the self-propelled vehicles 4, and perform a processing on the data.

The first and second distance sensors (11, 31) are formed by an infrared (IR) distance sensor or a radio frequency (RF) distance sensor. The first and second short-distance transmission modules (14, 21) are transmitted by a Bluetooth (BlueTooth) or Zigbee wireless technology. The server 2 is one of a personal computer (PC), a notebook (Tablet), a tablet (Picture Personal Computer), a personal digital assistant (PDA), or a smart phone (Smartphone).

The first and second distance sensors (11, 31) use the integrated circuit (IC) of GP2Y0D805Z0F from Sharp, which can detect whether there is any object within the distance of 0.5 cm to 5 cm. The main consideration for selecting this sensor is The reaction time is very fast and stable. According to the GP2Y0D805Z0F Data Sheet, the detection result can be output once every 2.5 ms, which is in line with the general self-propelled car 4 high-speed competition. The timing method is that the server 2 receives the first distance sensor 11 signal set at the first sensing unit 1 at the start of the game route, and starts timing until the second distance sensing of the second sensing unit 3 is set at the end of the game route. The device 31 signal ends and is paired with the competitor information of the previous RFID tag 41, and the time data is stored in the database corresponding to the server 2.

The first RF module 13 of the first sensing unit 1 and the second RF module 32 of the second sensing unit 3 both use the NRF24L01 wireless module, which is produced by NORDIC, adopts FSK modulation, and has Built-in Enhanced. The short Burst wireless communication protocol can implement point-to-point or one-to-six wireless communication. In other words, the first sensing unit 1 and the five second sensing units 3 can be used in the embodiment. The maximum communication speed can reach 2M (bps). NRF24L01 wireless module provides SPI communication In the face, we use the SPI processing library built in the first processor 15 and the second processor 33 produced by Arduino and the NRF24L01 control program function and instruction manual, which has detailed the functions of each control program. Write the NRF24L01 transceiver control program with the 8051 sample program.

The wireless timing system includes at least one set of second sensing unit 3 (sensing slave module), a set of first sensing unit 1 (sensing main module) and server 2, which can be used as a timing for a general official game. system. The first sensing unit 1 is placed at the starting point of the game, and has the RFID automatic identity recognition, the starting detection, the automatic establishment and the NRF24L01 communication initiation and data transmission and reception control between the second sensing unit 3, and the first short-distance transmission module 14 Send all collected information to the server. The second sensing unit 3 is placed at the end of the game, and detects the arrival of the self-propelled vehicle 4 at the end of the game, and automatically establishes communication initiation and data transmission and reception control with the first sensing unit 1. Server 2 is equipped with the RFID tag 41 to match the entrant's information, game timing, database management and message display.

The wireless timing system software portion includes a first RF module 12: responsible for receiving and processing information transmitted by the second RF module 32. The second RF module 32 is responsible for transmitting information to the first sensing unit 1 via the second RF module 32. The RFID reader 13 reads the RFID tag 41 information (race racing car identity recognition) and transmits it to the first short distance transmission module 14. The second short-distance transmission module 31 is configured to receive the sensing signal of the distance of the self-propelled vehicle 4, and transmit the sensing signal and the module number information to the second radio frequency module 32. The first and second short-distance transmission modules (14, 21) are responsible for transmitting and receiving information of the first sensing unit 1 and the server 2. Server 2: When the message of the RFID tag 41 is transmitted, it is responsible for pairing the contents of the database with the entrant, and calculating the time according to the signal detected by the second distance sensor 31 which is subsequently delivered at the middle point and the end point of the game route. Or other messages, display related information, score statistics, sorting and award printing.

Before the official competition, the conference will first record the entries, check the identity of the participants and the entries. The self-propelled vehicles 4 that have completed the inspection will be placed in the recorded area and wait for the competition. The system is combined with radio frequency identification (RFID) technology. After the recording is completed, the RFID tag 41 of the player's data is pasted on the self-propelled car 4. During the competition, the player only needs to approach the self-propelled car 4 The RFID reader 13 of the sensing unit 1 can know the identity of the competitor, and the first sensing unit 1 transmits the first short-distance transmission module 14 to the server 2 to automatically establish a pairing database, and Link subsequent contest results to current contestants. The system uses a frequency identification reader 13 with a frequency of 125 MHz and a TTL Electricity Level RS232 format (Format) of a RDM 630 module. The main consideration is that the 125 MHz is less susceptible to metal and environmental interference, and the RFID reader 13 utilizes a universal asynchronous transmission and reception. The Universal Asynchronous Receiver/Transmitter (UART) interface is electrically connected to the first sensing unit 1, and the RFID tag information received by the RFID reader 13 can be read by the serial control.

With the above disclosure of FIG. 1 to FIG. 2, it can be understood that the present invention provides a wireless transmission timing circuit, and the main purpose thereof is to provide a wireless timing circuit, which is configured to respectively set the first sensing unit and the second sensing unit to the game route. The starting point, the ending point and the intermediate point, and using a plurality of distance sensors disposed in the first and second sensing units, the wireless detecting method is used to measure the self-propelled vehicles passing through the starting point, the ending point and the intermediate point of the game route. Distance and time information, and the first sensing unit wirelessly transmits the data of each distance and time to a server, and the server collects the data of each distance and time to obtain the speed data of each vehicle. And can automatically calculate the ranking of each self-propelled car. At the same time, all the messages are sent to a server through the Bluetooth module, and the database records and displays are processed. The communication structure of the entire timing system component is wireless. Bluetooth communication with the server, so the user can design the overall system very flexibly, for example, to place multiple points, that is, to analyze the speed change of each section of the car. The above circuit module has considerable practicability in the self-propelled car race, so a patent application is filed to seek patent protection.

In summary, the structural features and embodiments of the present invention have been disclosed in detail, and can fully demonstrate the progressiveness of the implementation of this creation in terms of purpose and efficacy, and is of great industrial value, and is currently The unprecedented use in the market, according to the spirit of the patent law, this creation case fully meets the requirements of the new patent.

The above is only the preferred embodiment of the present invention. When it is not possible to limit the scope of the creation of this creation, that is, the equal change and modification of the patent application scope of this creation should still belong to this new type. Within the scope of the patent, I would like to ask your review committee to give a clear understanding and pray for it. It is the prayer.

1‧‧‧First sensing unit

11‧‧‧First distance sensor

12‧‧‧First RF Module

13‧‧‧RF reader

14‧‧‧First short distance transmission module

15‧‧‧First processor

16‧‧‧First power supply

2‧‧‧Server

21‧‧‧Second short distance transmission module

3‧‧‧Second sensing unit

31‧‧‧Second distance sensor

32‧‧‧Second RF module

33‧‧‧second processor

34‧‧‧second power supply

4‧‧‧Self-driving car

41‧‧‧RF Identification Label

Claims (10)

A wireless transmission timing circuit is provided in one of a plurality of self-propelled vehicles to test the distance and time of a plurality of self-propelled vehicles. The self-propelled vehicles are provided with an RFID tag, including There is: a first sensing unit, disposed at the starting point of the competition route, comprising: a first short-distance transmission module having a short-range wireless transmission function; a first radio frequency module having a wireless radio frequency transmission function; a distance sensor for detecting distance information of the self-propelled vehicles; an RFID reader for reading the RFID tags of the self-propelled vehicles to obtain the self-receiving tags a first processor for controlling the first short-distance transmission module, the first radio frequency module, the first distance sensor, and the radio frequency identification reader; a first power source Providing power of the first sensing unit; the at least one second sensing unit is disposed at an end of the game route, and includes a second distance sensor, a second RF module, a second processor, and a second Second power source, the second power Providing power of the second sensing unit, the second radio frequency module transmits the data detected by the second distance sensor to the first radio frequency module, and the second processor is configured to control the second short-distance transmission The module and the second RF module; and a server, configured with a second short-distance transmission module, which can receive the distance and time information transmitted by the first short-distance transmission module and the identity of the self-propelled vehicles Information and a treatment of the information. The wireless transmission timing circuit of claim 1, wherein the first distance sensor is an infrared distance sensor or a radio frequency distance sensor. Composition. The wireless transmission timing circuit of claim 1, wherein the second distance sensor is an infrared distance sensor or a radio frequency distance sensor. The wireless transmission timing circuit of claim 1, wherein the first short distance transmission module and the second short distance transmission module are transmitted by a Bluetooth or Zigbee wireless technology. The timing circuit of the wireless transmission according to claim 1, wherein the second sensing unit is further disposed at a plurality of intermediate points of the competition route. The wireless transmission timing circuit of claim 1, wherein the server is one of a personal computer, a notebook computer, a tablet computer, a personal digital assistant, or a smart phone. The wireless transmission timing circuit of claim 1, wherein the radio frequency identification reader is electrically connected to the first sensing unit by using a universal asynchronous transceiver interface. The wireless transmission timing circuit of claim 1, wherein the distance detecting range of the first distance sensor is 0.5 cm to 5 cm, and the frequency of the output detection result is 2.5 ms. The timing circuit for wireless transmission according to claim 1, wherein the distance detecting range of the second distance sensor is 0.5 cm to 5 cm, and the frequency of the output detection result is 2.5 ms. For example, in the wireless transmission timing circuit described in claim 1, wherein the server is further operable to pair the contents of the database with the entrant when the RFID tag message is transmitted, and according to the subsequent delivery. Two-distance sensor Detects signal calculation time or other messages, displays related messages, score statistics, sorts, and awards.