CN114109507B - Geological detection system for railway fender and protection facilities and tunnel - Google Patents
Geological detection system for railway fender and protection facilities and tunnel Download PDFInfo
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- CN114109507B CN114109507B CN202111436588.1A CN202111436588A CN114109507B CN 114109507 B CN114109507 B CN 114109507B CN 202111436588 A CN202111436588 A CN 202111436588A CN 114109507 B CN114109507 B CN 114109507B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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Abstract
The invention provides a geological detection system for railway fender and protection facilities and tunnels, which comprises a geological radar and a portable terminal; the portable terminal comprises a display module, a storage module, a first wireless module and a processor, wherein the processor is connected with the display module, the storage module and the first wireless module; the geological radar comprises a shell, an antenna and a host, wherein the antenna and the host are encapsulated in the shell, and the host comprises a second wireless module and a microcontroller; after the portable terminal is connected with a second wireless module of the geological radar through the first wireless module, the portable terminal is used for sending an instruction to the geological radar to set data acquisition parameters of the geological radar, the portable terminal sends an acquisition control command to the geological radar, and after the microcontroller control antenna of the geological radar completes geological detection, the microcontroller sends acquired data to the portable terminal through the second wireless module; the portable terminal performs image processing based on the received data and displays on the display module.
Description
Technical Field
The invention relates to the field of engineering geological detection equipment, in particular to a geological detection system for railway fender and protection facilities and tunnels.
Background
The excavation, reinforcement and protection of the side slope engineering are engineering projects frequently involved in civil engineering construction such as national land disaster, traffic, mine, building and water conservancy. The development of the side slope has important influence on the normal construction and operation of civil engineering and life safety of people. The slope geological monitoring is not only an important component of slope investigation, research and prevention engineering, but also an effective means for obtaining slope disaster prediction and forecast information, and has an important guiding effect on engineering management of the slope. Therefore, the reinforcement has important engineering significance and social benefit for geological monitoring of the side slope.
Geological radar (GPR) is a geophysical prospecting technology for detecting a surface layer underground structure or a target body, and has the characteristics of nondestructive testing, high resolution, reliability and the like. The geological radar has wide application in the fields of mine disaster source detection, roadbed detection, underground pipe network detection, cultural relic archaeology and the like. The geological radar communication system is an important component of geological radar equipment, and directly influences and relates to the acquisition quality of radar data.
Currently, a ground penetrating radar system is generally adopted for geological detection of a fender and protection facility such as slope engineering. During detection, a detector is required to climb up slope retaining wall handheld equipment with small gradient to detect, so that the labor intensity of the detector is increased, and the detector has certain danger; or the geological radar can be suspended above the facility by adopting the rope for detection, but the rope is flexible and cannot be flexibly operated, so that the detection process is very inconvenient.
The geological radar communication system is an important component of geological radar equipment, and directly influences and relates to the acquisition quality of radar data. The existing GPR equipment finishes analog signal transmission by adopting a mode of connecting a radar antenna and a host through a communication cable, and the signal is extremely easy to be interfered by the outside, so that distortion and loss are caused. In addition, stiff, heavy transmission cables reduce the ease of use of the device. Therefore, it is necessary to design a radar data communication system with strong anti-interference capability, high transmission quality and good use convenience.
Disclosure of Invention
In view of the foregoing, embodiments of the present invention provide a geological detection system for railway guard facilities and tunnels that obviates or mitigates one or more of the disadvantages of the prior art.
The technical scheme of the invention is as follows:
the geological detection system comprises a geological radar and a portable terminal; the portable terminal comprises a display module, a storage module, a first wireless module and a processor, wherein the processor is connected with the display module, the storage module and the first wireless module; the geological radar comprises a shell, an antenna and a host, wherein the antenna and the host are encapsulated in the shell, and the host comprises a second wireless module and a microcontroller;
After the portable terminal is connected with the second wireless module of the geological radar through the first wireless module, the portable terminal is used for sending an instruction to the geological radar to set data acquisition parameters of the geological radar, the portable terminal sends an acquisition control command to the geological radar, and after the microcontroller of the geological radar controls the antenna to finish geological detection, the microcontroller sends acquired data to the portable terminal through the second wireless module; the portable terminal performs image processing based on the received data and displays the processed data on a display module;
the geological radar further comprises a lifting device, wherein the lifting device comprises a detachable bracket, a lifting rod, an angle adjusting seat and a lifting rod butt joint piece; the detachable support comprises a rectangular truss, right-angle seats positioned at four corners of the rectangular truss and connecting bottom plates positioned at two sides of the rectangular truss, wherein the right-angle seats are fixedly connected with the shell, and the connecting bottom plates are fixedly connected with the angle adjusting seats; the angle adjusting seat comprises a base plate part and a sector plate part, the sector plate part is provided with a fixed jack and a plurality of variable jacks distributed along an arc, the base plate part is used for being connected with the connecting base plate, and the sector plate part is used for being connected with the lifting rod butt joint piece; the lifting rod butt joint piece comprises a square body part and a joint pipe, wherein the square body part is connected with the variable jack of the sector plate part in a different mode to conduct angle adjustment, and the joint pipe is used for being connected with the lifting rod.
In some embodiments, the portable terminal further comprises an image acquisition module for acquiring an image of the geological radar detection area; the geological detection system further comprises a server, the server is connected with the portable terminal through a network, and the portable terminal writes received data into a file and transmits the received data to the server together with the image acquired by the image acquisition module.
In some embodiments, the portable terminal is configured to perform acquisition and data processing in a non-professional mode or in a professional mode; in the non-professional mode, the portable terminal is used for setting a storage path on the storage module, defaulting to set acquisition parameters acquired by the geological radar and defaulting to set parameters for image processing of data by the portable terminal; in the professional mode, the portable terminal is used for setting a storage path on the storage module, setting acquisition parameters acquired by the geological radar and setting a mode and parameters of the portable terminal for carrying out image processing on data; the portable terminal sends the acquisition parameters to a host of the geological radar in a command mode, wherein the acquisition parameters comprise a time window, time delay and sampling frequency; the portable terminal performs image processing on the data in a mode of gain processing, background denoising and filtering processing, wherein the filtering processing comprises low-pass filtering, high-pass filtering and stuffed filtering.
In some embodiments, the housing has two connecting holes on a pair of sides thereof, the connecting holes being located near an upper end surface of the housing, the connecting holes being screw holes.
In some embodiments, the right-angle seat of the detachable bracket is provided with a slot, the slot corresponds to the connecting hole of the shell, and the length of the slot is larger than the diameter of the connecting hole.
In some embodiments, each of the connecting base plates has three first docking holes, and the base plate portion of the angle adjusting base has one second docking hole and one arc-shaped slot; wherein the positions of one of the first docking holes are arranged to correspond to the second docking hole, and the positions of the other two of the first docking holes are arranged to be located on the circumference of the corresponding arc-shaped groove; the width of the arc-shaped groove is equal to the diameter of the first butt joint holes, and the length of the arc-shaped groove is larger than the length of the equal curvature connecting arc-shaped corresponding to the two first butt joint holes; the first butt joint hole is fixedly connected with the second butt joint hole and the arc-shaped groove through bolts or screws.
In some embodiments, the sector plate portion is vertically connected with the base plate portion and is located at a middle position of the base plate portion, the sector plate portion is provided with two sector side plates, the sector side plates are in a right-angle sector structure, the positioning holes are located at adjacent positions of right-angle sides of the right-angle sectors, and the variable holes are located at arc-shaped edge positions of the right-angle sectors.
In some embodiments, the square body of the lifting rod butt joint is installed between the two fan-shaped side plates of the angle adjusting seat, the positions, close to the two end parts, of the square body are respectively provided with pin holes, one pin hole is connected with the fixed insertion hole through a pin shaft, and the other pin hole is connected with the variable insertion hole with a selected angle through a pin shaft.
In some embodiments, the pin is a perforated pin and is locked with a wave pin.
In some embodiments, the connector tube has a through hole therein to be plugged with the lifting rod and fixed by a pin.
In some embodiments, the lifting rod is a telescopic rod or a carbon fiber rod that can be spliced in multiple sections.
In some embodiments, a lifting ring is arranged on the upper end surface or one side surface of the shell so as to suspend the geological radar above the shielding facility to complete detection.
According to the geological detection system for the railway fender and the tunnel, which is provided by the embodiment of the invention, the beneficial effects at least comprise:
(1) The geological radar adopts a wireless transmission mode, and a heavy transmission cable is abandoned, so that the use convenience of the system is greatly improved; the parameter setting of the geological radar can be carried out on a portable terminal such as a mobile phone, a tablet personal computer and the like, so that the geological detection process is convenient and quick, and the detection result of the geological radar can be displayed on the portable terminal for viewing.
(2) The detachable lifting device is arranged on the geological radar, so that the detection range of the geological radar can be enlarged, and the geological radar is particularly suitable for geological detection of higher railway fender and protection facilities and tunnels.
(3) The lifting device of the geological radar is simple in structure, simple in assembly mode and has a certain angle adjustment design, so that the applicability of the geological radar is good.
Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present application are not limited to the above-described specific ones, and that the above and other objects that can be achieved with the present application will be more clearly understood from the following detailed description.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and together with the description serve to explain the application. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the application. Corresponding parts in the drawings may be exaggerated, i.e. made larger relative to other parts in an exemplary device actually manufactured according to the present application, for convenience in showing and describing some parts of the present application. In the drawings:
FIG. 1 is a block diagram of a geological detection system for railway guard facilities and tunnels in accordance with one embodiment of the present invention.
Fig. 2 is a block diagram of a geological detection system for railway guard facilities and tunnels in another embodiment of the present invention.
Fig. 3 is a schematic diagram of a connection between a geological radar and a portable terminal in an embodiment of the present invention.
Fig. 4 is a schematic diagram of a connection flow between a geological radar and a portable terminal in an embodiment of the present invention.
Fig. 5 is a schematic diagram of a setup module of a portable terminal in an embodiment of the present invention.
Fig. 6 is a schematic diagram of an acquisition portion of a portable terminal in an embodiment of the present invention.
Fig. 7 is a schematic diagram of a portable terminal uploading a file to a server according to an embodiment of the invention.
Fig. 8 is a flowchart illustrating an operation of a software end of the portable terminal according to an embodiment of the present invention.
Fig. 9 is a schematic diagram of a setup procedure performed at a software end of a portable terminal according to an embodiment of the present invention.
Fig. 10 is a schematic flow chart of the command response of the geological radar and the portable terminal according to an embodiment of the invention.
Fig. 11 is a schematic structural diagram of a geological radar according to an embodiment of the present invention.
Fig. 12 is a schematic structural view of a detachable bracket according to an embodiment of the invention.
Fig. 13 is a schematic structural view of an angle adjusting seat according to an embodiment of the invention.
Fig. 14 is a front view of a geological radar and a detachable stent in an embodiment of the present invention.
Fig. 15 is a schematic perspective view of a geological radar and a detachable bracket according to an embodiment of the present invention.
Reference numerals:
10. geological radar; 11. an antenna; 12. a second wireless module; 13. a microcontroller; 20. a portable terminal; 21. a display module; 22. a processor; 23. a storage module; 24. a first wireless module; 25. an image acquisition module; 30. a server side;
100. a housing; 100a, an upper shell; 100b, a lower shell; 101. a rivet; 102. a connection hole; 111. an armrest; 112. marking a button; 113. a protective sleeve; 114. a hanging ring; 120. a host panel; 121. a switch button; 122. an indicator light; 123. a charging interface; 124. a ranging wheel signal interface; 310. a detachable bracket; 311. rectangular truss; 312. a right-angle seat; 3121. a slot hole; 313. a connecting bottom plate; 3131. a first docking aperture; 320. an angle adjusting seat; 321. a substrate portion; 3211. a second docking aperture; 3212. an arc-shaped groove; 322. a sector plate portion; 3221. a fan-shaped side plate; 3222. a fixed jack; 3223. a variable jack; 330. a lifting rod butt joint member; 331. a square body part; 332. a joint pipe; 333. a pin shaft; 334. a wave pin; 3321. a through hole;
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. The exemplary embodiments of the present invention and the descriptions thereof are used herein to explain the present invention, but are not intended to limit the invention.
It should be noted here that, in order to avoid obscuring the present invention due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, while other details not greatly related to the present invention are omitted.
It should be emphasized that the term "comprises/comprising" when used herein is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.
It is also noted herein that the term "coupled" may refer to not only a direct connection, but also an indirect connection in which an intermediate is present, unless otherwise specified.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals represent the same or similar components, or the same or similar steps.
The invention provides a geological detection system for railway fender and tunnel, which has good use convenience and can conveniently detect railway fender and tunnel side walls and the like at higher positions.
As shown in fig. 1, the geological detection system may include a geological radar 10 and a portable terminal 20. The portable terminal 20 includes a display module 21, a storage module 23, a first wireless module 24, and a processor 22, wherein the processor 22 is connected to the display module 21, the storage module 23, and the first wireless module 24. The geological radar 10 comprises a housing 100, an antenna 11 and a host computer which are encapsulated in the housing, wherein the host computer comprises a second wireless module 12, a microcontroller 13 and the like.
After the portable terminal 20 establishes a connection with the second wireless module 12 of the geological radar 10 through the first wireless module 24, the portable terminal 20 is configured to send an instruction to the geological radar 10 to set a data acquisition parameter of the geological radar, the portable terminal sends an acquisition control command to the geological radar, and after the microcontroller 13 of the geological radar controls the antenna 11 to complete geological detection, the microcontroller 13 sends acquired data to the portable terminal 20 through the second wireless module 12; the portable terminal 20 performs image processing based on the received data and displays on the display module 21.
In the embodiment, the geological radar adopts a wireless transmission mode, and a heavy transmission cable is abandoned, so that the use convenience of the system is greatly improved; the parameter setting of the geological radar can be carried out on a portable terminal such as a mobile phone, a tablet personal computer and the like, so that the geological detection process is convenient and quick, and the detection result of the geological radar can be displayed on the portable terminal for viewing.
In some embodiments, as shown in fig. 2, the portable terminal further includes an image acquisition module 24, and the image acquisition module 24 is configured to acquire an image of the geological radar detection area.
In some embodiments, the geological detection system further includes a server 30, where the server 30 is connected to the portable terminal through a network, and the portable terminal writes the received data into a file and transmits the data to the server together with the image collected by the image collection module.
In an embodiment, as shown in fig. 3, the portable terminal may use a mobile phone, a self-contained camera as an image acquisition module, and a self-contained wireless module as a first wireless module. Wherein, geological radar can load wireless WiFi chip as second wireless module, microcontroller (MCU) can adopt STM32F407 controller etc.. The STM32F407 controller sequentially completes the collection and conversion of radar emission wave signals, and the wireless transmission function of radar data and control commands through an external expansion ADC, a wireless WiFi chip and a data transceiver. The server side can be provided with an embedded real-time operating system RT_Thread OS, and the application program is developed and realized based on the RAM interface of the embedded lwip protocol stack.
The embedded Ethernet platform is the core of the geological radar communication system, and the main control core is an STM32F407 chip of an M3 kernel. The chip has rich on-chip resources, and 196KB SRAM, SDIO interface, flexible Static Memory Controller (FSMC) and 10/100 Ethernet MAC provide good resource guarantee for the circuit design of geological radar. The 196kB SRAM can be used as a high-speed memory buffer area of a communication system, and the system can realize high-speed radar data caching without expanding memory; the SDIO interface can be used for expanding the wireless WiFi chip; the data bus of the FSMC and the outward expansion ADC can realize high-speed A/D conversion; the 10/100 Ethernet MAC can fully meet the requirement of radar 3.2Mb/s transmission speed, and a network data transceiver circuit of a server side can be built only by a physical interface transceiver (PHY) which is externally expanded.
In the above implementation, the connection between the geological radar and the portable terminal may be a 2.4G Wi-Fi connection, but is not limited thereto, and for example, a 5G Wi-Fi connection may be also used. The mobile phone sends the acquisition control command to the geological radar, and the geological radar acquisition data is transmitted to the mobile phone through Wi-Fi.
As shown in FIG. 4, a inspector can open wifi through a wifi module at an android terminal on a mobile phone, and can automatically connect with a geological radar host, and the connection is successful in setting a local ip address as a static address to establish connection with a radar. The automatic connection part can adopt codes to carry out connection wifi setting, and the setting of the static ip cannot be directly obtained due to the safety setting above android8, and can only be obtained and modified in a reflection type mode, and the connection is re-realized.
In some embodiments, the portable terminal is configured to perform acquisition and data processing in a non-professional mode or in a professional mode. As shown in fig. 5, the software-side setting module of the portable terminal mainly includes three modules, the first module is to set a file path, the second module is parameters acquired by the geological radar, and the third module is parameter setting of data processing. The parameter setting of the file path and the data processing is stored locally, and the parameter acquired by the geological radar is sent to the radar host end in the form of an instruction to carry out parameter setting.
In some embodiments, as shown in fig. 6, the software end of the portable terminal mainly displays and writes the data information returned by the radar into a file, wherein the data information includes reading the parameters of the data processing part stored in the local area, and performing data processing on the data information.
In some embodiments, as shown in fig. 7, the software end of the portable terminal mainly uploads the file of the acquired radar data to the server end (background server), and uploads the information of the retaining wall together with the information of the acquisition personnel and the live photo.
Fig. 8 is a flowchart illustrating an operation of a software end of the portable terminal according to an embodiment of the present invention. As shown in fig. 8, the software end communicates with the radar by connecting wifi of the radar and setting a local ip address to be a static fixed ip, and sends a connection establishment instruction to communicate with the radar. After the radar returns a response instruction for establishing connection, the software end and the radar are successfully connected, and the setting method is called back after the connection is successful, and at the moment, the setting button turns green to perform click setting. And sending a setting instruction to set, and after the radar returns a set response instruction, starting to send acquired data, wherein the acquired data is used for displaying a single-channel oscillogram in real time, and can be subjected to filtering, gain and other processing according to the single-channel oscillogram. After the setting is completed, the data content returned by the radar host is received, 10-1036 data are analyzed and converted into a short array, the array length is 513, the last node content of the last array is a voltage value, the voltage value is within a range of 3000-2000, and generally, the voltage value is not an exact value and fluctuates, so that the last two bits are processed, the first two bits are reserved and mapped to 0-100, and then the voltage value is displayed through a self-defined view electric quantity diagram, wherein the voltage value defaults to be null, namely, the voltage value cannot be generated when the radar does not send a data packet. Returning the short type array to main activity, receiving in a settingActivity setting Handler, transmitting the short type array to a custom view, and drawing a single-channel oscillogram. After the setting is finished, an acquisition instruction is sent, the radar returns an acquired data packet, at the moment, the data is mapped to gray level by analyzing the data packet, view is defined for drawing display, and meanwhile, the data is written into a file. The content can be filled in json format through the uploading button through the http protocol and uploaded to the background of the webpage, wherein the radar data is firstly uploaded to the rear end and then returned to the storage position url at the server end, the image uploading is also returned to the storage position at the server end, the url is filled in json format of the uploading page and uploaded to the background, and then all uploading can be completed.
Fig. 9 is a schematic diagram of a setup procedure performed at a software end of a portable terminal according to an embodiment of the present invention. Fig. 10 is a schematic flow chart of the command response of the geological radar and the portable terminal according to an embodiment of the invention.
As shown in fig. 9, by clicking the Setting Activity event of the software end, it is determined whether a non-professional mode or a professional mode is selected for the current event, and in the case of the non-professional mode, the software end only provides a waveform diagram for Setting path selection and drawing default acquired single-channel data. Under the professional mode condition, the software end provides complete program settings including path selection, radar acquisition parameter setting, image processing setting of a radar single-channel oscillogram, radar acquisition mode setting and the like. The portable terminal sends the acquisition parameters to a host of the geological radar in a command mode, wherein the acquisition parameters comprise a time window, time delay and sampling frequency.
Specifically, in the non-professional mode, the portable terminal is configured to set a storage path on the storage module, default setting of acquisition parameters acquired by the geological radar, and default setting of parameters of image processing of data by the portable terminal. Setting a path and a creating path, processing by setting callbacks of different clicking events, in the setting path, jumping the current activity setting intention to a file selection activity by a listener of a callback clicking event rewriting button, in the file selection activity, displaying by acquiring a current list, matching the current event acquisition id with the id of the list, and returning the path of the clicking event to the settingactivity. The creating path is to automatically generate a file path according to the current time and default under the datas folder. In non-professional mode, other parameters are set to default, e.g. a time window of 50, a delay of 100, a sampling frequency of 70, and image processing of the data is not processed by default. After clicking to confirm, all parameters are saved to a local xml file through sharedreferences. The path selection is called by the class of the written file, the collected parameters are directly sent to the radar host for setting, and the parameters of the radar image processing can be saved in the local and called when the drawing is performed to main power.
Specifically, in the professional mode, the portable terminal is used for setting a storage path on the storage module, setting acquisition parameters acquired by the geological radar, and setting a mode and parameters of the portable terminal for performing image processing on data.
The setting of the professional mode is mainly divided into three parts, 1, the file path and the file name setting of the collected data of the radar. 2, radar acquisition parameters such as sampling frequency, time window and other parameter settings. 3. The radar image is processed in real time such as gain, background denoising, filtering, etc. 1. Setting a path and a creating path, processing by setting callbacks of different clicking events, in the setting path, jumping the current activity setting intention to a file selection activity by a listener of a callback clicking event rewriting button, in the file selection activity, displaying by acquiring a current list, matching the current event acquisition id with the id of the list, and returning the path of the clicking event to the settingactivity. The creating path is to automatically generate a file path according to the current time and default under the datas folder. 2. The radar acquisition parameters are sampling frequency, time window and time delay. Default data is displayed by setting EditText, and the value of the modification edition text can be manually filled in, and when the determination button is clicked, the modification edition text is sent to Lei Daduan for parameter modification. 3. Image processing of radar: 3.1 gain processing. When in gain processing, a segment area is newly built in the setting activity, a curve for manual gain processing is drawn, a method for drawing View and adding event. Touch is redefined, current coordinate values can be obtained by dragging the curve, the coordinate values are mapped to multiples and settable coefficients are added, the obtained values of the curve are a series of arrays, gain processing is carried out on the arrays obtained by the gain curve and acquired data, each item of the arrays of the acquired data and each item of the gain array are multiplied, and the input coefficients are multiplied in a whole. The obtained processed data can be directly drawn into custom View. 3.2 background denoising, wherein a segment area is newly built in the settingActivity during background denoising, a manual background denoising curve is drawn, the current coordinate value can be obtained by dragging the curve through a method of drawing View again in a self-defined mode and adding event. Touch, and the obtained coordinate value is mapped into an array, so that the background denoising curve can be obtained. And mapping the background denoising curve into a radar data range, and subtracting the acquired radar data array from the acquired radar data array to realize background denoising. The automatic background denoising is an array for adding and averaging the first n channels of data acquired under the default condition as background denoising. After processing, the output data can be used for drawing View. 3.3 filtering treatment, which is divided into three types, namely low-pass filtering, high-pass filtering and band-notch filtering. Different filters are set by different setting methods, and a low frequency cut-off and a high frequency cut-off are set by two EditText. And under the conditions of low-pass filtering, high-pass filtering and band-notch filtering, carrying out low-pass filtering on the data array according to the set low-frequency cut-off and high-frequency cut-off.
According to the geological detection system for the railway fender and the tunnel, compared with a geological radar system commonly used in the prior art, the wireless digital signal transmission is improved from wired analog signal transmission, the stability and the reliability of data are enhanced, various acquisition parameters, processing modes and parameters can be conveniently set on a portable terminal, and the operation steps of detection personnel are greatly simplified.
In some embodiments, the geological radar is provided with a detachable lifting device, so that the detection range of the geological radar can be enlarged, and the geological radar is particularly suitable for detecting the retaining wall with higher two sides of the railway tunnel outlet.
In some embodiments, the geological radar 10 may be configured with a wirelessly connected data transmission display terminal, the geological radar 10 may include a housing 100 and an antenna enclosed within the housing 100, the antenna including a transmitting antenna for transmitting electromagnetic waves and a receiving antenna for receiving reflected waves, and a host connected to the antenna, the host for data acquisition and processing of the antenna. The data transmission display terminal can adopt a mobile phone or a tablet personal computer, can adopt a WiFi wireless communication module to connect with the host computer, can adopt a transmitting antenna to transmit high-frequency electromagnetic waves to the underground, reflects the electromagnetic waves on an interface with obvious electrical differences in an underground soil layer and a rock stratum, and adopts a receiving antenna to receive echo signals. The geological radar can be used for carrying out calculation processing, interpretation and mapping to obtain the display image and depth data of the underground geological structure. The equipment is flexible in arrangement of the measuring lines and the measuring points, can be arranged into regular net-shaped, irregular net-shaped or any single section according to the needs, and can observe point by point or continuously observe along the section. The processing of data by the geological radar can adopt a scheme in the prior art, and is not repeated here.
As shown in fig. 11, the casing 100 is in a rectangular parallelepiped structure, two symmetrically arranged armrests 111 are disposed on an upper end surface of the casing 100, the armrests 111 are in a strip-shaped structure, one of the armrests 111 is provided with a marking button 112, and the marking button 112 is connected with the host through a signal line. The geological radar 10 has an antenna and a host integrally provided in a housing 100, and does not need to drag a heavy communication cable during use, and the geological radar 10 is provided with two armrests 111 at the upper part of the housing 100, which are suitable for geological detection of a fender facility, such as a retaining wall slope of a railway tunnel outlet. The geological radar 10 is provided with a manual marking button 112 at the position of the armrest 111, so that the geological radar is convenient for a inspector to operate, and different inspection modes can be adopted.
In some embodiments, the armrest 111 is disposed proximate to an edge of the housing 100 and has a length that is greater than half the length of the edge. The structure enables the detection personnel to have a larger operation space so as to adjust the lifting angle of the detection personnel to correspond to retaining walls with different heights. The signal line is provided with a protective sleeve 113 at a portion outside the housing 100, and the protective sleeve 113 may be a bellows made of rubber material, and may have a certain deformation amount. In some embodiments, a lifting ring 114 is provided on the upper end or one side of the housing 100 to suspend the geological radar 10 above a fender to perform detection. Optionally, the hanging ring 114 is disposed on an upper end surface of the housing 100.
In some embodiments, a main panel 120 is provided in the middle of the upper end surface of the housing 100, and a switch button 121, an indicator light 122, a charging interface 123, and a ranging wheel signal interface 124 are provided on the main panel 120. The device may incorporate a rechargeable battery for use by the host and antenna, wherein the switch button 121, the charging interface 123 and the ranging wheel signal interface 124 may have a three-proof design, such as a cover or a gasket.
In some embodiments, the housing 100 includes an upper housing 100a and a lower housing 100b, and the upper housing 100a and the lower housing 100b may be connected by a rivet 101, which is firmly connected and is prevented from being disassembled. Further, the front and rear sides of the housing 100 have coupling holes 102, and the coupling holes 102 are used to couple the detachable bracket 310. The fore-and-aft direction as described herein is based on the forward direction of the geological radar 10 when in use. Alternatively, the arrangement position of the armrest 111 corresponds approximately to the arrangement position of the transmitting antenna and the receiving antenna, and the arrangement direction of the armrest 111 corresponds approximately to the arrangement direction of the transmitting antenna and the receiving antenna.
In some embodiments, as shown in fig. 12-15, the geological radar 10 further includes a lifting device, which may include a detachable bracket 310 for lifting the housing 100, a lifting rod (not shown), an angle adjustment seat 320, a lifting rod abutment 330, and the like. The lifting device can be installed when needed, is not used or detached in the transportation process, has simple structure and simple assembly mode, and has a certain range of angle adjustment capability.
As shown in fig. 14 and 5, the lifting device is installed above the upper end surface (the surface with the armrest 111) of the geological radar 10, the antenna of the geological radar 10 is located at the bottom of the geological radar 10, and when performing the ground quality detection, the bottom of the geological radar 10 needs to be in direct contact with the surface to be detected.
In some embodiments, the detachable support 310 includes a rectangular truss 311, right angle seats 312 at four corners of the rectangular truss 311, connection base plates 313 at both sides of the rectangular truss 311, and the like. The right-angle seat 312 is fixedly connected with the housing 100, and the connection base 313 is fixedly connected with the angle adjusting seat 320. Correspondingly, the pair of side surfaces of the housing 100 are provided with two connecting holes 102, the connecting holes 102 are positioned near the upper end surface of the housing 100, and the connecting holes 102 are threaded holes.
Further, the right-angle seat 312 of the detachable support 310 is provided with a slot 3121, the slot 3121 corresponds to the connection hole 102 of the housing 100, and the length of the slot 3121 is greater than the diameter of the connection hole 102. The detachable support 310 may be connected to the housing 100 by bolts or screws, or a spacer may be provided, and the slot 3121 may be used to adjust the connection position of the detachable support 310 to the housing 100 in a small range for installation.
In some embodiments, as shown in fig. 12 and 13, the angle adjustment base 320 may include a base plate portion 321 and a sector plate portion 322, the sector plate portion 322 having one fixed insertion hole 3222 and a plurality of variable insertion holes 3223 arranged along an arc, the base plate portion 321 being configured to be connected to the connection base plate 313, and the sector plate portion 322 being configured to be connected to the lifting bar docking member 330.
Further, each of the connection base plates 313 may have three first docking holes 3131, and the base plate portion 321 of the angle adjustment base 320 may have a second docking hole 3211 and an arc-shaped groove 3212. Wherein one of the first docking holes 3131 is positioned to correspond to the second docking hole 3211, and the other two first docking holes 3131 are positioned to be located on the circumference of the corresponding arc-shaped groove 3212. The width of the arc-shaped slot 3212 is equal to or slightly greater than the diameter of the first docking hole 3131, and the length of the arc-shaped slot 3212 is greater than the length of the equal curvature connecting arc of the corresponding two first docking holes 3131, so that the installation positions of the arc-shaped slot 3212 and the corresponding two first docking holes 3131 can be adjusted to change the installation angle of the angle adjusting seat 320. The first docking hole 3131 and the second docking hole 3211, and the first docking hole 3131 and the arc-shaped groove 3212 are fixedly connected by bolts or screws.
Through the above structural design, the angle adjusting seat can adjust the installation angle within a certain range according to the three-point positioning design of the base plate 321.
Further, the sector plate portion 322 is vertically connected to the base plate portion 321 and is located at a middle position of the base plate portion 321, and the sector plate portion 322 and the base plate portion 321 may be connected by welding or a screw connection. The sector plate portion 322 has two symmetrically arranged sector side plates 3221, the sector side plates 3221 are in a substantially right-angle sector structure, the fixed insertion holes 3222 are located at the adjacent positions of the right-angle sides of the right-angle sector, and the variable insertion holes 3223 are located near the arc edge positions of the right-angle sector.
Correspondingly, the lifting rod butt joint 330 may comprise a square body 331 and a joint pipe 332, the square body 331 being angularly adjusted by being connected to the varying insertion hole 3223 different from the sector plate 322, the joint pipe 332 being used for connection to the lifting rod. The square body 331 of the lifting rod butt-joint member 330 is mounted between the two fan-shaped side plates 3221 of the angle adjusting seat 320, the positions of the square body 331 near the two ends are respectively provided with a pin hole, one pin hole is connected with the fixed insertion hole 3222 through a pin shaft 333, and the other pin hole is connected with the variable insertion hole 3223 with a selected angle through a pin shaft 333.
Preferably, the pin shaft 333 is a perforated pin and is locked by a wave pin 334, which is also convenient for disassembly and assembly.
In the above embodiment, since the sector plate portion 322 of the angle adjustment base 320 is provided with the plurality of deformation holes 3223, the installation angle of the sector plate portion and the lifting rod butt joint member 330 can be changed, so that the installation angle of the lifting rod can be adjusted, the geological radar 10 is suitable for various slope protection facilities.
In some embodiments, as shown in fig. 12, the connector tube 332 has a through hole 3321 thereon to be inserted into the lifting rod and fixed by a pin.
In some embodiments, the lifting rod may be a telescopic rod or a carbon fiber rod capable of being spliced in multiple sections, and the length of the lifting rod may be set according to practical requirements, for example, a single length may be 1.5m-2m, and the overall length may be 3-10m. The lifting rod is a rigid rod, so that the position, the moving speed, the moving direction and the like of the geological radar can be flexibly controlled.
In some embodiments, the size of the geological radar 10 is 350mm by 220mm and the frequency of the antenna is 400MHz. The geological radar has the advantages of compact design, small volume, light weight, portability, high measurement accuracy, simple operation and the like, and can be also applied to the engineering fields of building engineering quality detection, house fitment/reconstruction, highway surface layer thickness detection, highway bridge detection, hydraulic engineering detection and the like.
According to the geological detection system for the railway fender and the tunnel, which is provided by the embodiment of the invention, the beneficial effects at least comprise:
(1) The geological radar adopts a wireless transmission mode, and a heavy transmission cable is abandoned, so that the use convenience of the system is greatly improved; the parameter setting of the geological radar can be carried out on a portable terminal such as a mobile phone, a tablet personal computer and the like, so that the geological detection process is convenient and quick, and the detection result of the geological radar can be displayed on the portable terminal for viewing.
(2) The geological radar is provided with the detachable lifting device, so that the detection range of the geological radar can be enlarged, the geological radar adopts wireless communication and the detachable lifting device, the detection process is convenient, and the geological radar is particularly suitable for geological detection of higher railway fender and protection facilities and tunnels.
(3) The lifting device of the geological radar is simple in structure, simple in assembly mode and has a certain angle adjustment design, so that the applicability of the geological radar is good.
Those of ordinary skill in the art will appreciate that the various illustrative components, systems, and methods described in connection with the embodiments disclosed herein can be implemented as hardware, software, or a combination of both. The particular implementation is hardware or software dependent on the specific application of the solution and the design constraints. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine readable medium or transmitted over transmission media or communication links by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
The software may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
In this disclosure, features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations can be made to the embodiments of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A geological detection system for railway guard facilities and tunnels, characterized in that it comprises geological radar and a portable terminal;
the portable terminal comprises a display module, a storage module, a first wireless module and a processor, wherein the processor is connected with the display module, the storage module and the first wireless module;
the geological radar comprises a shell, an antenna and a host, wherein the antenna and the host are encapsulated in the shell, and the host comprises a second wireless module and a microcontroller;
after the portable terminal is connected with the second wireless module of the geological radar through the first wireless module, the portable terminal is used for sending an instruction to the geological radar to set data acquisition parameters of the geological radar, the portable terminal sends an acquisition control command to the geological radar, and after the microcontroller of the geological radar controls the antenna to finish geological detection, the microcontroller sends acquired data to the portable terminal through the second wireless module;
the portable terminal performs image processing based on the received data and displays the processed data on a display module;
The geological radar further comprises a lifting device, wherein the lifting device comprises a detachable bracket, a lifting rod, an angle adjusting seat and a lifting rod butt joint piece;
the detachable support comprises a rectangular truss, right-angle seats positioned at four corners of the rectangular truss and connecting bottom plates positioned at two sides of the rectangular truss, wherein the right-angle seats are fixedly connected with the shell, and the connecting bottom plates are fixedly connected with the angle adjusting seats;
the angle adjusting seat comprises a base plate part and a sector plate part, the sector plate part is provided with a fixed jack and a plurality of variable jacks distributed along an arc, the base plate part is used for being connected with the connecting base plate, and the sector plate part is used for being connected with the lifting rod butt joint piece;
the lifting rod butt joint piece comprises a square body part and a joint pipe, wherein the square body part is connected with the variable jack different from the sector plate part to perform angle adjustment, and the joint pipe is used for being connected with the lifting rod;
three first butt joint holes are formed in each connecting bottom plate, and a second butt joint hole and an arc-shaped groove are formed in the base plate part of the angle adjusting seat;
wherein the positions of one of the first docking holes are arranged to correspond to the second docking hole, and the positions of the other two of the first docking holes are arranged to be located on the circumference of the corresponding arc-shaped groove; the width of the arc-shaped groove is equal to the diameter of the first butt joint holes, and the length of the arc-shaped groove is larger than the length of the equal curvature connecting arc-shaped corresponding to the two first butt joint holes;
The first butt joint hole is fixedly connected with the second butt joint hole and the arc-shaped groove through bolts or screws.
2. The geological detection system for railway guard facilities and tunnels according to claim 1, wherein said portable terminal further comprises an image acquisition module for acquiring images of said geological radar detection area;
the geological detection system further comprises a server, the server is connected with the portable terminal through a network, and the portable terminal writes received data into a file and transmits the received data to the server together with the image acquired by the image acquisition module.
3. The geological detection system for railway guard facilities and tunnels according to claim 2, wherein said portable terminal is used for setting up acquisition and data processing in a non-professional mode or in a professional mode;
in the non-professional mode, the portable terminal is used for setting a storage path on the storage module, defaulting to set acquisition parameters acquired by the geological radar and defaulting to set parameters for image processing of data by the portable terminal;
In the professional mode, the portable terminal is used for setting a storage path on the storage module, setting acquisition parameters acquired by the geological radar and setting a mode and parameters of the portable terminal for carrying out image processing on data;
the portable terminal sends the acquisition parameters to a host of the geological radar in a command mode, wherein the acquisition parameters comprise a time window, time delay and sampling frequency;
the portable terminal performs image processing on the data in a mode of gain processing, background denoising and filtering processing, wherein the filtering processing comprises low-pass filtering, high-pass filtering and stuffed filtering.
4. The geological detection system for railway guard and tunnel according to claim 1, wherein a pair of side surfaces of the housing are provided with two connecting holes, the connecting holes are positioned near the upper end surface of the housing, and the connecting holes are threaded holes;
the right-angle seat of the detachable support is provided with a slotted hole, the slotted hole corresponds to the connecting hole of the shell, and the length of the slotted hole is larger than the diameter of the connecting hole.
5. The geological detection system for railway guard facilities and tunnels according to claim 1, wherein said sector plate portion is vertically connected with said base plate portion and is located at a middle position of said base plate portion, said sector plate portion has two sector side plates, said sector side plates are in a right angle sector structure, said positioning insertion hole is located at an adjoining position of a right angle side of said right angle sector, and said varying insertion hole is located at an arc edge position of said right angle sector.
6. The geological detection system for railway guard and tunnel according to claim 5, wherein the square body of the lifting rod butt joint is installed between the two fan-shaped side plates of the angle adjusting seat, the positions of the square body close to the two ends are respectively provided with pin holes, one pin hole is connected with the fixed insertion hole through a pin shaft, and the other pin hole is connected with the variable insertion hole with a selected angle through a pin shaft.
7. The geological detection system for railway guard and tunnel according to claim 6, characterized in that said pin is a perforated pin and is locked with a wave pin;
the joint pipe is provided with a through hole which is inserted with the lifting rod and fixed through a pin.
8. The geological detection system for railway guard facilities and tunnels according to claim 1, wherein said lifting rod is a telescopic rod or a multi-section spliced carbon fiber rod.
9. A geological detection system for railway guard facilities and tunnels according to claim 1, wherein the upper end face or one side face of the housing is provided with a hanging ring to suspend geological radar above the guard facilities to complete detection.
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