Measuring instrument for bullet train operation monitoring and acquisition system thereof

Abstract

The utility model belongs to the technical field of bullet train measuring instruments, and particularly relates to a measuring instrument for bullet train operation monitoring and an acquisition system thereof, the measuring instrument comprises an acquisition terminal and a hand-held terminal, the acquisition terminal is fixed on an object to be measured through a four-corner fixing structure; the acquisition terminal comprises a shell, a main control board arranged in the shell, an interface indication structure and an antenna structure which are arranged on the side surface of the shell, and a top cover arranged at the top of the shell; and a four-corner positioning connecting structure for simultaneously positioning the main control board and the top cover at four corners is also arranged in the shell. Through the arrangement of the main control board, the interface indication structure, the antenna structure, the four-corner fixing structure and the four-corner positioning connection structure, the functions of data acquisition, convenient assembly and disassembly, signal receiving and the like of the acquisition terminal of the measuring instrument can be realized. And guarantee is provided for the snaking movement stability, the running safety and the running stability of the train.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the dynamic measurement instrument technical field, especially relates to a measurement instrument for dynamic operation monitoring and acquisition system thereof. BACKGROUND

[0002] Due to the continuous increase of the service life of high-speed motor train unit trains in China, the line conditions and the overall performance of the motor train unit have inevitably complex changes, and the vibration condition of the vehicle system is the content that each operation and maintenance unit focuses on, which is closely related to the stability of the train's snaking movement, operation safety and operation stability.

[0003] According to the use requirement, necessary portable stability measuring instruments need to be equipped according to the motor train unit allocation, and the motor train unit with a vehicle-mounted stability prediction alarm fault is retested using the stability measuring instrument, so an instrument for dynamic operation monitoring is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of measurement instruments for dynamic operation monitoring and acquisition system thereof to solve the problems raised in the above background technology for the technical defects of the prior art.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of measurement instrument for dynamic operation monitoring, including acquisition terminal and handheld terminal, the acquisition terminal is fixed on the object to be measured by four corner fixed structure, for realizing convenient installation and removal;The acquisition terminal includes shell, main control board installed in the shell interior, interface indication structure and antenna structure installed in the shell side and top cover installed in the shell top, for realizing data acquisition and signal reception;Four corner positioning connection structure for simultaneously positioning main control board and top cover in the shell is also provided, for realizing convenient installation and removal.

[0006] In the above technical scheme, the shell is a cubic shell structure with an open top.

[0007] In the above technical scheme, the four corner positioning connection structure includes:

[0008] The top cover positioning structure includes a positioning groove recessed in the top of the shell for fitting the top cover, and a second support portion provided at each of the four corners of the shell interior, the top of the second support portion is flush with the bottom of the positioning groove.

[0009] The main control board positioning structure includes a first support portion provided on both sides of the second support portion, and the height of the first support portion is lower than that of the second support portion.

[0010] In the above technical scheme, the four corners of the top cover are provided with first connecting holes, the middle part of the second supporting part is provided with a fourth connecting hole, the first connecting hole is arranged at a position corresponding to the fourth connecting hole in size, and the first connecting hole is connected with the fourth connecting hole through a second connecting piece to complete the fastening connection of the top cover.

[0011] In the above technical scheme, the four corners of the main control board are provided with positioning notches matched with the side walls of the second supporting part, the two sides of the positioning notches on the main control board are provided with second connecting holes, the middle part of the first supporting part is provided with a third connecting hole, the second connecting hole is arranged at a position corresponding to the third connecting hole in size, and the second connecting hole is connected with the third connecting hole through a first connecting piece to realize the installation of the main control board.

[0012] In the above technical scheme, the four-corner fixing structure comprises through holes provided at the four corners of the bottom surface of the shell, and is used for realizing the installation and fixation of the measurement instrument acquisition terminal.

[0013] The inside of the through hole is provided with a groove, and when the measurement instrument is fixed, the customized double-sided adhesive tape is pasted at the groove of the through hole and fixed on the ground of the vehicle body.

[0014] In the above technical scheme, the interface indication structure comprises an interface, an electric quantity indication lamp, an operation indication lamp, a communication indication lamp, a storage indication lamp and a power button arranged on one side of the outer wall of the shell.

[0015] In the above technical scheme, the antenna structure comprises at least one group of antennas connected to the side of the outer wall of the shell relative to the interface indication structure.

[0016] The second invention of the utility model is a measurement instrument acquisition system for high-speed rail operation monitoring, which comprises a main control module, a storage module, a power module, an acquisition module and a communication module arranged in an acquisition terminal, the storage module is signal connected with a storage indication lamp, the power module is signal connected with a power button, the acquisition module is signal connected with an operation indication lamp, and the communication module is signal connected with a communication indication lamp.

[0017] In the above technical scheme, the power module comprises a battery and a power management module, the acquisition module comprises a GPS module, an acceleration sensor and a gyroscope, and the communication module comprises a 4G module, a Bluetooth module, a WiFi module and a LoRa wireless module.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1.The utility model discloses a four corner positioning connection structure, four corner fixed structure, antenna structure, interface indication structure and main control board are set up, can realize the data collection, convenient installation and removal and signal reception of measuring instrument collection terminal, can be used as portable stability measuring instrument, and the stability measuring instrument is used to retest the motor train unit with the vehicle-mounted stability prediction warning fault, and provides guarantee for the stability of train's snake movement, operation safety and operation stability.

[0020] 2.The utility model discloses a through -hole setting on the shell is provided with a recess in the inside, when fixing the measuring instrument, the customized double -sided adhesive tape is pasted in the recess of through -hole, and it is fixed on the car body ground, and is used to carry out data collection, in addition, the screw can also be connected in the through -hole, and the measuring instrument is fixed on the object to be measured, and the above mounting mode is simple and convenient, and after fixing the measuring instrument, the accuracy of physical information transmission is guaranteed.

[0021] 3.The utility model discloses an interface and a plurality of indication lamps are set up, the interface is used for the connection and communication with external equipment, the indication lamp carries out corresponding display function respectively, and can show the running state of corresponding module, and is convenient for user to observe.

[0022] 4.The utility model discloses a main control module, storage module, power module, collection module and communication module are set up, and the corresponding acceleration, angular velocity and position information are transmitted to handheld terminal, and subsequent stability is judged. ACCURACY

[0023] The technical scheme of the utility model will be described in further detail below in combination with the drawings and embodiments, but it should be known that these drawings are only designed for the purpose of explanation, so the utility model range is not limited. In addition, these drawings are only intended to conceptually illustrate the structural configuration described here, and are not necessarily drawn in proportion.

[0024] Figure 1 It is the overall structure schematic diagram of the utility model;

[0025] Figure 2 It is the main control board split structure schematic diagram of the utility model; Figure 1

[0026] Figure 3 It is the main control board undetached structure schematic diagram of the utility model; Figure 1

[0027] Figure 4 It is the overhead structure schematic diagram of the utility model; Figure 1

[0028] Figure 5 It is the utility model​​​Figure 2 A area amplification structure schematic view of the application;

[0029] Figure 6 It is the module setting schematic view of the acquisition terminal of the application;

[0030] In the figure: 1, shell;11, interface;12, power indicator;13, running indicator;14, communication indicator;15, storage indicator;16, power button;17, through hole;18, first connecting hole;19, top cover;21, first antenna;22, second antenna;3, main control board;31, positioning notch;32, second connecting hole;41, first support part;42, third connecting hole;43, second support part;44, fourth connecting hole;5, main control module;6, storage module;7, power module;8, acquisition module;81, GPS module;82, acceleration sensor;83, gyroscope;9, communication module;91, 4G module;92, Bluetooth module;93, WiFi module;94, LoRa wireless module. DETAILED DESCRIPTION

[0031] First of all, it needs to be pointed out that the specific structure, characteristics and advantages of the application will be specifically described in the following example way, however, all the descriptions are only used for illustration, and should not be understood as any limitation on the application. In addition, any single technical feature described or implied in the embodiments mentioned in the present text, or any single technical feature shown or implied in the drawings, can still continue to be combined or deleted between these technical features (or their equivalents), so as to obtain more other embodiments of the application which may not be directly mentioned in the present text. In addition, in order to simplify the drawing, the same or similar technical features may only be marked in one place in the same drawing.

[0032] In the application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "rotating and connecting" and other terms should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, it can be the communication between two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the application can be understood according to the specific meaning of the above-mentioned terms in the application according to the specific situation. The application will be specifically described below in conjunction with the drawings. EMBODIMENT

[0033] A kind of measuring instrument for motor train operation monitoring, including acquisition terminal and hand-held terminal, the acquisition terminal is fixed on the object to be measured by four corners fixed structure, the acquisition terminal includes shell 1, main control board 3 installed in shell 1 interior, interface indication structure and antenna structure installed in the side of shell 1 and top cover 19 installed in the top of shell 1, four corner positioning connecting structure for simultaneously positioning main control board 3 and top cover 19 in shell 1 is also provided.

[0034] Please refer to Figures 1-6 The utility model provides technical scheme: a kind of measuring instrument for motor train operation monitoring, including acquisition terminal and hand-held terminal, the acquisition terminal includes shell 1, top cover 19 installed with the top of shell 1, interface 11 etc.

[0035] Further, the shell 1 can also be considered in this embodiment as an open-top cubic shell structure.

[0036] Further, the four corner positioning connecting structure can also be considered in this embodiment to include:

[0037] The top cover positioning structure includes a positioning groove formed in the top of the shell 1 for fitting and installing the top cover 19, and a second support portion 43 provided at each of the four corners inside the shell 1. The top of the second support portion 43 is flush with the bottom of the positioning groove, achieving fastening connection of the top cover.

[0038] The main control board positioning structure includes a first support portion 41 provided on both sides of the second support portion 43. The height of the first support portion 41 is lower than that of the second support portion 43, achieving installation of the main control board.

[0039] Further, the four corners of the top cover 19 can also be considered in this embodiment to be provided with a first connecting hole 18, and the middle portion of the second support portion 43 is provided with a fourth connecting hole 44. The position and size of the first connecting hole 18 correspond to those of the fourth connecting hole 44. The first connecting hole 18 is connected with the fourth connecting hole 44 through a second connecting member. The second connecting member is connected between the first connecting hole and the fourth connecting hole, achieving fastening connection of the top cover.

[0040] Further, it can also be considered in the embodiment that the four corners of the main control board 3 are respectively provided with positioning notches 31 matched with the side walls of the second support portions 43, and the second connecting holes 32 are respectively arranged on the two sides of the positioning notches 31 on the main control board 3, and the third connecting holes 42 are arranged in the middle portions of the first support portions 41, and the arrangement positions and sizes of the second connecting holes 32 correspond to those of the third connecting holes 42, and the second connecting holes 32 are connected with the third connecting holes 42 through the first connecting members, and the first connecting members are arranged between the second connecting holes and the third connecting holes to complete the stable installation of the main control board.

[0041] As shown in Figure 5 , the second support portions 43 are welded at the four corners of the shell 1, the first support portions 41 are welded at the two sides of the second support portions 43, the height of the first support portions 41 is lower than that of the second support portions 43, the third connecting holes 42 are arranged in the middle portions of the first support portions 41, and the fourth connecting holes 44 are arranged in the middle portions of the second support portions 43; the main control board 3 is arranged in the shell 1, the positioning notches 31 are arranged at the four corners of the main control board 3 and matched with the side walls of the second support portions 43, and the second connecting holes 32 are arranged on the two sides of the positioning notches 31 on the main control board 3; when the main control board 3 is installed, the notches 31 of the main control board 3 are slid along the outer walls of the corresponding second support portions 43 to the first support portions 41, the second connecting holes 32 are aligned with the third connecting holes 42, the first connecting members are arranged through the main control board 3 and the first support portions 41 to complete the fastening connection of the main control board 3.

[0042] It should be noted that the first connecting members include but are not limited to threaded rods, and the threaded connection is used to realize the fixed installation of the main control board 3.

[0043] As shown in Figure 3 , the first connecting holes 18 are arranged at the four corners of the top cover 19, the arrangement positions and sizes of the first connecting holes 18 correspond to those of the fourth connecting holes 44, after the installation of the main control board 3 is completed, the top cover 19 is embedded into the top of the shell 1, the top of the second support portion 43 supports the top cover 19, the first connecting holes 18 are aligned with the fourth connecting holes 44, the second connecting members are arranged through the top cover 19 to connect the second support portion 43, the fastening connection of the top cover 19 is completed, and the second connecting members can also be threaded rods.

[0044] Further, it can also be considered in the embodiment that the four-corner fixing structure includes the through holes 17 arranged at the four corners of the bottom surface of the shell 1 to realize the installation and fixation of the measurement instrument acquisition terminal.

[0045] Further, it can also be considered in the embodiment that the recesses are arranged in the through holes 17. As shown in Figure 4The four corners of the bottom surface of the shell 1 are provided with through holes 17, wherein the inside of the through hole 17 is provided with a groove, when the measuring instrument is fixed, the customized double-sided adhesive is pasted at the groove of the through hole 17, and the measuring instrument is fixed on the ground of the vehicle body for data collection; in addition, a screw can also be connected in the through hole 17, and the measuring instrument is fixed on the object to be measured. The above mounting method is simple and convenient, and after the measuring instrument is fixed, the accuracy of physical information transmission is ensured.

[0046] Further, in the present embodiment, the interface indication structure includes the interface 11, the power indication lamp 12, the running indication lamp 13, the communication indication lamp 14, the storage indication lamp 15 and the power button 16 arranged on one side of the outer wall of the shell 1. Please refer to Figures 1-6 The collection terminal includes the shell 1, the top cover 19 is installed on the top of the shell 1, the size of the top cover 19 is 100*100*30mm, the interface 11, the power indication lamp 12, the running indication lamp 13, the communication indication lamp 14, the storage indication lamp 15 and the power button 16 are arranged on one side of the outer wall of the shell 1 in sequence, which respectively perform corresponding display functions and can indicate the running state of the corresponding module.

[0047] The interface 11 can be set as a USB interface (Universal Serial Bus), that is, a general serial bus, which is used for connection and communication with external devices.

[0048] Further, in the present embodiment, the antenna structure includes at least one group of antennas connected to one side of the outer wall of the shell 1 relative to the interface indication structure. Please refer to Figures 1-2 One side of the outer wall of the shell 1 relative to the interface 11 is connected to a group of antennas, and the group of antennas includes the first antenna 21 and the second antenna 22. The first antenna 21 can be set as a LoRa wireless communication antenna (Long Range Radio), that is, a long-range radio, which ensures the combination of low power consumption and long distance. The second antenna 22 can be set as a GPS (Global Positioning System) antenna, that is, a global positioning system, which is a terminal for positioning or navigation by receiving satellite signals. Embodiment

[0049] A collection system of a measuring instrument for monitoring the operation of a motor vehicle as described in embodiment 1 includes a main control module 5, a storage module 6, a power module 7, a collection module 8 and a communication module 9 arranged in the collection terminal. The storage module 6 is signal connected with the storage indication lamp 15, the power module 7 is signal connected with the power button 16, the collection module 8 is signal connected with the running indication lamp 13, and the communication module 9 is signal connected with the communication indication lamp 14.

[0050] Please refer to Figure 6The acquisition terminal further comprises a master control module 5, a storage module 6, a power module 7, an acquisition module 8 and a communication module 9, wherein the master control module 5, the storage module 6, the power module 7, the acquisition module 8 and the communication module 9 are functional modules, and the master control module 5 is used for controlling the work of each module.

[0051] The power module 7 is in signal connection with the power button 16, when the power module 7 is started, the power button 16 will make a display, reflecting the running state of the power supply, the power module 7 comprises a battery and a power management module, and the rated working voltage is set to 3.7V, the acquisition terminal can be charged through the interface 11, and the input voltage is set to 5V.

[0052] Further, the storage module 6 is in signal connection with the storage indicator light 15, the storage module 6 is used for storing all the acceleration, angular velocity and position information collected in each measurement, and the storage data can be read through the data line connection interface 11 and the computer, wherein the capacity is at least 64G.

[0053] The acquisition module 8 is in signal connection with the running indicator light 13, the acquisition module 8 comprises a GPS module 81, an acceleration sensor 82 and a gyroscope 83, wherein the acceleration sensor 82 has a range of ±8g, a sensitivity of 32bit and a channel number of 3, and can collect the acceleration in three directions of horizontal, vertical and vertical; the gyroscope 83 has a range of ±125° / s, a sensitivity of 160 LSB / ° / s and a channel number of 3, and can collect three kinds of attitude information of train roll, nodding and shaking.

[0054] The communication module 9 is in signal connection with the communication indicator light 14, the communication module 9 comprises a 4G module 91, a Bluetooth module 92, a WiFi module 93 and a LoRa wireless module 94, and can provide four different communication modes to adapt to various application scenarios.

[0055] In the embodiment, the acquisition terminal is installed in advance, then the acquisition terminal is conveniently installed on the measured object or the ground of the train body through the through hole 17, the handheld terminal and the acquisition terminal can communicate in three different ways of Bluetooth, WiFi and LoRa wireless, and the test software is installed on the handheld terminal, which can display the train 3-axis acceleration information, 3-axis angular velocity information and GPS positioning information in real time, and the test software can calculate the train stability and comfort index according to the collected acceleration information in real time and display in real time.

[0056] In the description of the utility model, need understanding is, the terms "upper", "lower", "front", "rear", "left", "right", etc. Indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model, and is not indicative or suggestive of the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as limiting the utility model.

[0057] The above embodiments have been described in detail, but the content described is only the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent changes and improvements made within the scope of the utility model application shall still belong to the patent coverage range of the utility model.

Claims

1. A measuring instrument for monitoring of motor vehicle operation, comprising a collection terminal and a hand-held terminal, characterized in that: The collection terminal is fixed on the object to be measured through the four-corner fixing structure, and the collection terminal comprises a shell (1), a main control board (3) installed in the shell (1), an interface indication structure and an antenna structure installed on the side of the shell (1), and a top cover (19) installed on the top of the shell (1), and four-corner positioning connection structures are further arranged in the shell (1) for positioning the main control board (3) and the top cover (19) at the same time. The four-corner positioning connection structure comprises: The top cover positioning structure comprises a positioning groove recessed on the top of the shell (1) for fitting and installing the top cover (19), and second support portions (43) arranged at four corners of the shell (1) respectively, the top of the second support portion (43) is flush with the bottom of the positioning groove, and a fourth connecting hole (44) is formed in the middle of the second support portion (43). The main control board positioning structure comprises first support portions (41) arranged on both sides of the second support portion (43) respectively, and the height of the first support portion (41) is lower than that of the second support portion (43). The four corners of the main control board (3) are respectively provided with positioning notches (31) matched with the side walls of the second support portions (43), second connecting holes (32) are formed on both sides of the positioning notches (31) on the main control board (3), a third connecting hole (42) is formed in the middle of the first support portion (41), the second connecting hole (32) is arranged at a position corresponding to the third connecting hole (42) in size, and the second connecting hole (32) is connected with the third connecting hole (42) through a first connecting member. The positioning notches (31) of the main control board (3) are slid along the outer walls of the corresponding second support portions (43) to the first support portions (41), the second connecting holes (32) are aligned with the third connecting holes (42), the first connecting member penetrates the main control board (3) and the first support portion (41) to complete the fastening connection of the main control board (3).

2. The measuring instrument for monitoring the operation of a motor train according to claim 1, characterized in that: The shell (1) is a cubic shell structure with an open top.

3. The measuring instrument for monitoring the operation of a motor train according to claim 1, characterized in that: First connecting holes (18) are formed in the four corners of the top cover (19), the first connecting holes (18) are arranged at positions corresponding to the fourth connecting holes (44) in size, and the first connecting holes (18) are connected with the fourth connecting holes (44) through a second connecting member.

4. The measuring instrument for monitoring the operation of a motor train according to claim 1, characterized in that: The four-corner fixing structure comprises through holes (17) formed in the four corners of the bottom surface of the shell (1), and grooves are formed in the through holes (17).

5. A measuring instrument for monitoring the operation of a rail vehicle according to any one of claims 1 to 4, characterized in that: The interface indication structure comprises an interface (11), an electric quantity indication lamp (12), an operation indication lamp (13), a communication indication lamp (14), a storage indication lamp (15), and a power button (16) arranged on one side of the outer wall of the shell (1).

6. The measuring instrument for monitoring of motor car operation according to claim 5, characterized in that: The antenna structure comprises at least one group of antennas connected to the outer wall of the shell (1) on the side opposite to the interface indication structure.

7. A collection system for a measuring instrument for monitoring the operation of a rail vehicle as claimed in claim 6, characterized in that: Including the main control module (5) set in the acquisition terminal, storage module (6), power module (7), acquisition module (8) and communication module (9), the storage module (6) is connected with the storage indicating lamp (15) signal, the power module (7) is connected with the power button (16) signal, the acquisition module (8) is connected with the running indicating lamp (13) signal, the communication module (9) is connected with the communication indicating lamp (14) signal.

8. The acquisition system of a measuring instrument for monitoring of motor car operation according to claim 7, characterized in that: The power module (7) includes a battery and a power management module, the acquisition module (8) includes a GPS module (81), an acceleration sensor (82) and a gyroscope (83); the communication module (9) includes a 4G module (91), a Bluetooth module (92), a WiFi module (93) and a LoRa wireless module (94).

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