Roller coaster safety monitoring device and roller coaster

Abstract

The utility model relates to the technical field of safety detection of recreation facilities, in particular to a safety monitoring device of a roller coaster and the roller coaster, and discloses the safety monitoring device which is installed behind a seat of the roller coaster, and an inertia measurement module and a wireless transmission module are electrically connected to a micro-control module. The output end of the strain conditioning module is electrically connected to the input end of the AD acquisition module, and the output end of the AD acquisition module is electrically connected to the input end of the micro-control module. The output end of the power supply module is electrically connected to the input end of the micro-control module. The wireless communication module is in communication connection with a remote wireless gateway, and the wireless communication module is used for receiving an instruction of the wireless gateway and sending data in the micro-control module to the wireless gateway, so that the safety monitoring device is prevented from being connected with lines of other structures, and the safety monitoring device can be more flexibly mounted on the roller coaster. And the position of the safety monitoring device can be changed along with the roller coaster, so that the accuracy of the safety monitoring device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of amusement facilities safety detection, specifically, relates to a safety monitoring device of roller coaster and roller coaster. BACKGROUND

[0002] As an important part of public entertainment places, the safety of large amusement facilities such as roller coaster is directly related to the life safety and health of tourists. According to the requirements of China's large amusement facilities safety supervision system, the roller coaster needs to carry out daily inspection and detection according to the equipment use and maintenance manual during operation, and the annual regular inspection of the national legal inspection agency.

[0003] Due to the large overall structure and size of the roller coaster, in the safety monitoring device of the roller coaster, the traditional monitoring is usually difficult to wire and power supply for the design of wired equipment, and the detection equipment using wireless acquisition device has poor accuracy of value acquisition of the roller coaster under the conditions of high speed, high overload and complex motion. UTILITY MODEL CONTENTS

[0004] The utility model is made to solve the above technical problem, and the purpose is to provide a safety monitoring device of roller coaster, which adopts wireless acquisition device to accurately collect data of the roller coaster and ensures the accuracy of safety monitoring.

[0005] In order to realize the above purpose, the utility model provides a safety monitoring device of roller coaster, which comprises a strain conditioning module, an AD acquisition module, a micro control module, an inertial measurement module, a wireless communication module and a power supply module, wherein the safety monitoring device is installed behind the seat of the roller coaster, the inertial measurement module and the wireless transmission module are electrically connected to the micro control module, the output end of the strain conditioning module is electrically connected to the input end of the AD acquisition module, the output end of the AD acquisition module is electrically connected to the input end of the micro control module, the output end of the power supply module is electrically connected to the input end of the micro control module, the wireless communication module is in communication connection with a remote wireless gateway, and the wireless communication module is used for receiving the instruction of the wireless gateway and sending the data in the micro control module to the wireless gateway.

[0006] Preferably, the output end of the inertial measurement module is electrically connected to the input end of the micro control module.

[0007] Preferably, the strain conditioning module comprises an instrument amplifier, a voltage follower and a first filter circuit, wherein the voltage follower is electrically connected with the REF end of the instrument amplifier, and the output end of the instrument amplifier is electrically connected with the input end of the first filter circuit.

[0008] Preferably, the first filter circuit comprises a first resistor and a first capacitor, the first resistor is electrically connected to the output end of the instrument amplifier and an output circuit, and the common connection end of the first resistor and the output circuit is electrically connected to the first capacitor and then grounded.

[0009] Preferably, the micro control module is electrically connected with the wireless communication module through an SPI interface; and the micro control module further comprises a CPU module, and the CPU module is electrically connected with the AD acquisition module through an SPI interface.

[0010] Preferably, the second filter circuit is electrically connected with the CPU module at an output end and with the power supply module at an input end.

[0011] Preferably, the second filter circuit is electrically connected with the CPU module at an output end and with the power supply module at an input end.

[0012] Preferably, the second filter circuit is electrically connected with the CPU module at an output end and with the power supply module at an input end.

[0013] Preferably, the power supply module comprises a battery and a power management module, the battery is electrically connected with the power management module, and the output end of the power management module is connected with the input end of the micro control module.

[0014] The utility model provides a kind of roller coaster, including the safety monitoring device as any one of the above.

[0015] The utility model provides a kind of safety monitoring device of roller coaster, including strain conditioning module, AD acquisition module, microcontrol module, inertial measurement module, wireless communication module and power module, wherein, safety monitoring device is installed in the rear of the seat of roller coaster, inertial measurement module and wireless transmission module are electrically connected in microcontrol module, inertial measurement module is used to measure the acceleration and angle of roller coaster seat in each direction, the input end of AD acquisition module is electrically connected to the output end of strain conditioning module, strain conditioning module will be converted into electrical signal and transmission to AD acquisition module inside by the stress that roller coaster is received in each direction on corresponding position, the input end of microcontrol module is electrically connected to the output end of AD acquisition module, the data obtained by inertial measurement module and strain conditioning module is gathered into microcontrol module.The output end of power module is electrically connected to the input end of microcontrol module.Wireless communication module is connected with remote wireless gateway communication, and wireless communication module is used to receive the instruction of wireless gateway and send the data in microcontrol module to wireless gateway.The safety monitoring device proposed in the utility model sends the angle change value and strain value obtained by internal inertial measurement module and strain conditioning module by wireless transmission, avoids the line connection of safety monitoring device and other structures, so that safety monitoring device can be more flexibly installed on roller coaster.And the installation monitoring device is arranged in the rear of the seat of roller coaster, can follow roller coaster and change position together, can obtain the angle change value and strain value at the position reached by roller coaster seat in real time, improves the precision of safety monitoring device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the circuit diagram of strain conditioning module of safety monitoring device involved in an embodiment of the utility model.

[0017] Fig. 2 It is the circuit diagram of strain conditioning module of safety monitoring device involved in an embodiment of the utility model.

[0018] Fig. 3 It is the circuit diagram of microcontrol module of safety monitoring device involved in an embodiment of the utility model. DETAILED DESCRIPTION

[0019] Exemplary embodiments now will be described more fully hereinafter with reference to the accompanying drawings; however, this exemplary embodiment can be implemented in any number of ways, and is not limited to the examples described herein. Rather, applications shall provide a description sufficient to convey the substance of the exemplary embodiments to those skilled in the art within the scope of patent statutes and to a standard for the art. The described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0020] In addition, the accompanying drawings are only schematic and are non-limiting. Identical reference signs refer to like, similar or corresponding items throughout the drawings. It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present disclosure. It is further noted that the use of the terms "first", "second", etc. do not limit the scope of the respective elements and do not require to be in any specific order. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are used herein for convenience and do not imply any specific orientation of the apparatus or element described by the terms, unless otherwise noted. The terms "comprising", "comprised of", "comprise" or "comprises", "configured to", "provided with" are to be construed in an open-ended way, allowing for items, components and any elements not specifically named herein to be present. The terms "first", "second" and the like do not imply any specific order, quantity, composition or layers, but are used to name various components and regions. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used herein for convenience and do not imply any specific orientation of the apparatus or element described by the terms, unless otherwise noted. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used herein for convenience and do not imply any specific orientation of the apparatus or element described by the terms, unless otherwise noted. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like are used herein for convenience and do not imply any specific orientation of the apparatus or element described by the terms, unless otherwise noted.

[0021] Unless otherwise defined, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application cover the modifications and variations of this application provided they come within the scope of the appended claims and their equivalents.

[0022] A safety monitoring device for a roller coaster is disclosed in the present application, please refer to Figs. 1 to 3In some embodiments, the safety monitoring device comprises a strain conditioning module 1, an AD acquisition module 2, a micro control module 3, an inertial measurement module 4, a wireless communication module 5 and a power supply module 6, wherein the safety monitoring device is installed behind the seat of the roller coaster, the inertial measurement module 4 and the wireless transmission module are electrically connected to the micro control module 3, the inertial measurement module 4 is used to measure the acceleration and angle of the roller coaster seat in each direction, the output end of the strain conditioning module 1 is electrically connected to the input end of the AD acquisition module 2, the strain conditioning module 1 converts the stress received by the roller coaster in each direction at the corresponding position into an electrical signal and transmits it into the AD acquisition module 2, the output end of the AD acquisition module 2 is electrically connected to the input end of the micro control module 3, and the data obtained by the inertial measurement module 4 and the strain conditioning module 1 is collected into the micro control module 3. The output end of the power supply module 6 is electrically connected to the input end of the micro control module 3, and is used for power supply of the above-mentioned modules. The wireless communication module 5 is in communication connection with a remote wireless gateway (not shown in the figure), and the wireless communication module 5 is used for receiving the instructions of the wireless gateway and sending the data in the micro control module 3 to the wireless gateway. The safety monitoring device provided by the utility model transmits the angle change value and the strain value obtained by the internal inertial measurement module 4 and the strain conditioning module 1 through wireless transmission, avoids the line connection of the safety monitoring device and other structures, so that the safety monitoring device can be more flexibly installed on the roller coaster. And the installation monitoring device is arranged behind the seat of the roller coaster, can follow the roller coaster to change position together, can obtain the angle change value and the strain value of the position reached by the roller coaster seat in real time, and the accuracy of the safety monitoring device is improved.

[0023] It can be understood that the AD acquisition module 2 and the strain conditioning module 1 can have multiple channels, each channel can have an independent strain conditioning module 1 and AD acquisition module 2, or can share an AD acquisition module 2 and use an analog switch to switch different strain conditioning modules 1. The wireless communication module 5 adopts a high-power 2.4G transceiver module, has a long distance and a high bandwidth, can realize wireless data transmission of more than 500 meters in the open space, the transmission power can reach 20dBm, the sleep current is less than 2uA, and the transmission distance is guaranteed while having low power consumption. Since the position of the roller coaster changes quickly when it is running, and the distance from the wireless gateway on the ground is large, the micro control module 3 and the wireless communication module 5 are connected through an SPI interface, and the wireless communication module 5 can be controlled to realize wireless data transmission and realize remote control.

[0024] In some embodiments, the output end of the inertial measurement module 4 is electrically connected to the input end of the microcontroller module 3. The inertial measurement module 4 adopts TM431, which has excellent dynamic and static performance in roll / pitch / yaw measurement. It includes a 3-axis acceleration and a 3-axis gyroscope, and can realize the acceleration in the X, Y, and Z directions of the roller coaster seat, as well as the angular change values ​​of the roll angle, pitch angle, and heading angle, and transmit the above-mentioned sensing values ​​to the microcontroller module 3 through the output end.

[0025] In some embodiments, the strain conditioning module 1 includes an instrumentation amplifier U13B, a voltage follower U12, and a first filtering circuit, wherein the voltage follower U12 is electrically connected to the REF terminal of the instrumentation amplifier U13B to provide a reference voltage for the instrumentation amplifier U13B, and the output terminal of the instrumentation amplifier U13B is electrically connected to the input terminal of the first filtering circuit. After the measured strain value data is converted into an electrical signal by the strain conditioning module 1 and adjusted by the instrumentation amplifier U13B and the first filtering circuit, it can be input into the AD acquisition module 2 as a relatively stable voltage input value.

[0026] In some embodiments, the first filter circuit includes a first resistor and a first capacitor. The first resistor is electrically connected to the output terminal of the instrumentation amplifier U12 and the output circuit. The common terminal of the first resistor and the output circuit is electrically connected to the first capacitor and then to ground. The first filter circuit is used to eliminate noise from the signal output by the output terminal of the strain conditioning module 1, ensuring the purity of the output signal transmitted to the AD acquisition module 2, and thereby ensuring the accuracy of the measured data.

[0027] In some embodiments, the microcontroller module 3 is electrically connected to the wireless communication module 5 via an SPI interface, enabling data collected and aggregated within the microcontroller module 3 to be transmitted to the wireless communication module 5, which then transmits the data to a remote wireless gateway via the wireless communication module 5. The microcontroller module 3 also includes a CPU module (not shown). The CPU module is electrically connected to the AD acquisition module 2 via an SPI interface, and is also electrically connected to the strain conditioning module 1 and the wireless communication module 5. The CPU module controls the strain conditioning module 1 to achieve strain balance, controls the AD acquisition module 2 to achieve data acquisition, and controls the wireless communication module 5 to achieve wireless data transmission and reception. The CPU module utilizes a low-power STM32L476 processor with a sleep current of less than 5uA.

[0028] Further, in some embodiments, the safety monitoring device further comprises a second filter circuit, an output end of the second filter circuit is electrically connected with the power supply module 6, and an input end of the second filter circuit is electrically connected with the power supply module 6. On the one hand, the CPU module may cause a transient drop in the power supply voltage when connected, and the second filter circuit can smooth these voltage fluctuations to provide a stable power supply voltage for the CPU module. On the other hand, the second filter circuit can filter and absorb overvoltage to protect the CPU module from being damaged by overvoltage, thereby ensuring the service life of the entire safety monitoring device.

[0029] The safety monitoring device further comprises a first crystal oscillator circuit and a second crystal oscillator circuit. The first crystal oscillator circuit is electrically connected to the OSN32IN end and the OSN32OUT end of the CPU module, and is used to provide a precise and stable clock signal for the CPU module. The second crystal oscillator circuit is electrically connected to the OSNIN end and the OSNOUT end of the CPU module, and provides a low-energy mode signal for the CPU module and the entire safety monitoring device.

[0030] Further, in some embodiments, the safety monitoring device further comprises an antenna electrically connected to the wireless communication module 5 and communicatively connected to the wireless gateway, so as to direct the data in the wireless communication module 5 to the wireless gateway.

[0031] In some embodiments, the power supply module 6 comprises a battery and a power management module (not shown in the figure). The battery is electrically connected to the power management module to supply power to the entire safety monitoring device. The output end of the power management module is connected to the input end of the micro control module 3. It can be understood that the power supply module 6 comprises a timing module 8 for controlling the power supply time of the power supply module 6 to the entire safety monitoring device, so as to realize the state switching of the safety monitoring device. The timing module 8 is connected to the power management module, and the micro control module 3 collects the periodic signal of the timing module 8 to complete the state switching of the safety monitoring device, that is, to keep the n-second wake-up state after sleeping for a period of time, and to collect data for n seconds after receiving the collection signal sent by the wireless gateway, thereby reducing the power consumption of the safety monitoring device and prolonging the service life of the safety monitoring device. The internal implementation of the timing module 8 in the timing module 8 is a prior art. In the present application, the timing module 8 is connected to the power supply module 6. The connection between the two can be controlled by a simple computer program to open and close the state of the power management module and the battery, or by a physical structure, such as a timing module 8 to timing the circuit connection switch between the battery and the power management module or by a gate circuit to selectively conduct, so as to realize the state switching of the safety monitoring device.

[0032] It is worth mentioning that the technical features of the strain conditioning module 1, the circuit in the micro control module 3, the wireless communication module 5 and the power supply module 6 and the like involved in the utility model patent application should be regarded as prior art, the specific structure, working principle and possible control mode structure arrangement mode of these technical features can be selected by using the conventional selection in the art, different strain conditioning module filter circuits can be selected according to different roller coaster sizes, rotating speeds and driving voltages and the like, the system time of the first crystal oscillator circuit and the second crystal oscillator circuit can be set according to actual requirements, these should not be regarded as the invention point of the utility model patent, and the utility model patent will not be further expanded and described in detail.

[0033] That is, in the utility model, a safety monitoring device is provided, which is wirelessly connected with a remote wireless gateway through an installation position, thereby reducing the line layout on the roller coaster when the roller coaster is safety monitored, so that the safety monitoring device can be more flexibly arranged on the roller coaster to obtain more accurate data and improve the safety monitoring accuracy of the roller coaster.

[0034] The utility model provides a kind of roller coaster, including any one of the safety monitoring device as above, and safety monitoring device is arranged in the rear portion of seat of roller coaster, and it is wirelessly connected with the wireless gateway of ground, can acquire more accurate measurement data in real time when roller coaster operates, and data is sent to wireless gateway for analysis, complete the safety monitoring of roller coaster as a whole.

[0035] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A roller coaster safety monitoring device, characterized in that: It includes strain conditioning module, AD acquisition module, microcontroller module, inertial measurement module, wireless communication module and power supply module, among which, The safety monitoring device is installed behind the seat of the roller coaster, the inertial measurement module and the wireless communication module are electrically connected to the microcontroller module, the output end of the strain conditioning module is electrically connected to the input end of the AD acquisition module, and the output end of the AD acquisition module is electrically connected to the input end of the microcontroller module; the output end of the power supply module is electrically connected to the input end of the microcontroller module; The wireless communication module is connected to a remote wireless gateway for communication. The wireless communication module is used to receive instructions from the wireless gateway and send data in the microcontroller module to the wireless gateway.

2. The safety monitoring device according to claim 1, characterized in that: The output end of the inertial measurement module is electrically connected to the input end of the micro-control module.

3. The safety monitoring device according to claim 1, characterized in that: The strain conditioning module includes an instrumentation amplifier, a voltage follower, and a first filter circuit, wherein the voltage follower is electrically connected to the REF terminal of the instrumentation amplifier, and the output terminal of the instrumentation amplifier is electrically connected to the input terminal of the first filter circuit.

4. The safety monitoring device according to claim 3, characterized in that: The first filter circuit includes a first resistor and a first capacitor. The first resistor is electrically connected to the output terminal of the instrumentation amplifier and the output circuit. The common terminal of the first resistor and the output circuit is electrically connected to the first capacitor and then grounded.

5. The safety monitoring device according to claim 1, characterized in that: The microcontroller module is electrically connected to the wireless communication module via an SPI interface; The microcontroller module further includes a CPU module, and the CPU module is electrically connected to the AD acquisition module via an SPI interface.

6. The safety monitoring device as claimed in claim 5, characterized in that: Also includes: The second filter circuit has an output end electrically connected to the CPU module and an input end electrically connected to the power supply module.

7. The safety monitoring device according to claim 5, characterized in that: Also includes: A first crystal oscillator circuit is electrically connected to the OSN32IN terminal and the OSN32OUT terminal of the CPU module; The second crystal oscillator circuit is electrically connected to the OSNIN terminal and the OSNOUT terminal of the CPU module.

8. The safety monitoring device according to claim 1, characterized in that: The power supply module includes a battery and a power management module. The battery is electrically connected to the power management module. The output end of the power management module is connected to the input end of the micro-control module.

9. The safety monitoring device according to claim 8, characterized in that: The power supply module further includes a timing module, and an output end of the timing module is connected to an input end of the power management module.

10. A roller coaster, characterized in that: Comprising the safety monitoring device as described in any one of claims 1 to 9 above.

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