CN114109507A - Geological detection system for railway guard facilities and tunnels - Google Patents
Geological detection system for railway guard facilities and tunnels Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
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Abstract
The invention provides a geological detection system for railway shielding facilities and tunnels, which comprises a geological radar and a portable terminal, wherein the geological radar is used for detecting the geological radar; 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 which are packaged in the shell, wherein 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 a microcontroller of the geological radar controls an antenna to complete 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 guard facilities and tunnels.
Background
The excavation, reinforcement and protection of slope engineering are engineering projects frequently involved in civil engineering construction such as national and local disasters, traffic, mines, buildings, water conservancy and the like. The development of the side slope has important influence on the normal construction and operation of civil engineering and even the life safety of people. The side slope geological monitoring is an important component of side slope investigation, research and prevention engineering, is an effective means for obtaining side slope disaster prediction information, and has an important guiding function on the engineering management of the side slope. Therefore, the method has important engineering significance and social benefit for strengthening the geological monitoring of the side slope.
Geological radar (GPR) is a geophysical prospecting technology for detecting surface underground structures or target bodies, and has the characteristics of nondestructive detection, 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 retaining facilities such as slope engineering and the like. During detection, a detector needs to climb a side slope retaining wall handheld device with small inclination for detection, so that the labor intensity of the detector is increased, and certain danger is realized; or the geological radar can be suspended by the rope above the facility for detection, but the rope is flexible and cannot be flexibly operated, so that the detection process is extremely 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 mostly adopts a mode of connecting a radar antenna and a host computer by a communication cable to finish analog quantity signal transmission, and signals are easily interfered by the outside world to cause distortion and loss. In addition, the rigid and heavy transmission cable reduces the use convenience of the equipment. Therefore, it is necessary to design a radar data communication system with strong anti-interference capability, high transmission quality and good convenience in use.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a geological detection system for railway shelters 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 which are packaged in the shell, wherein 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 complete 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 image on a display module;
the geological radar also 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 fan-shaped plate part, the fan-shaped plate part is provided with a fixed insertion hole and a plurality of variable insertion holes distributed along an arc line, the base plate part is used for being connected with the connecting bottom plate, and the fan-shaped plate part is used for being connected with the lifting rod butt joint part; the lifter butt joint piece comprises a square body part and a joint pipe, the square body part is connected with the variable jack for angle adjustment through the difference of the fan-shaped plate parts, and the joint pipe is used for being connected with the lifter.
In some embodiments, the portable terminal further comprises an image acquisition module for acquiring images of the geological radar detection area; the geological detection system also comprises a server side, wherein the server side is connected with the portable terminal through a network, and the portable terminal writes received data into a file and transmits the data and the image collected by the image collection module to the server side.
In some embodiments, the portable terminal is used for setting acquisition and data processing in a non-professional mode or a professional mode; in the non-professional mode, the portable terminal is used for setting a storage path on the storage module, setting acquisition parameters acquired by the geological radar in a default mode, and setting parameters for image processing of data by the portable terminal in a default mode; 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 for the portable terminal to perform image processing on data; the portable terminal sends the acquisition parameters to a host of the geological radar in an instruction mode, wherein the acquisition parameters comprise a time window, time delay and sampling frequency; the image processing mode of the portable terminal on the data comprises gain processing, background denoising and filtering processing, and the filtering processing comprises low-pass filtering, high-pass filtering and stuffing filtering.
In some embodiments, each of the pair of side surfaces of the housing has two connection holes, the connection holes are located near the upper end surface of the housing, and the connection holes are threaded holes.
In some embodiments, a slot is formed on the right-angle seat of the detachable support, the slot corresponds to the connecting hole of the housing, and the length of the slot is greater than the diameter of the connecting hole.
In some embodiments, each of the connection bottom plates has three first connection holes, and the base plate portion of the angle adjustment base has one second connection hole and one arc-shaped slot; wherein one of the first aligning holes is positioned to correspond to the second aligning hole, and the other two of the first aligning holes are positioned 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 hole, and the length of the arc-shaped groove is larger than the length of the equal-curvature connecting arc of the two corresponding first butt holes; the first butt joint hole and the second butt joint hole, the first butt joint hole and the arc-shaped groove are fixedly connected through bolts or screws.
In some embodiments, the sector plate portion is perpendicularly connected to the base plate portion and located at the middle position of the base plate portion, the sector plate portion has two sector side plates, the sector side plates are approximately in a right-angle sector structure, the positioning insertion holes are located at the adjacent positions of the right-angle sides of the right-angle sector, and the variable insertion holes are located at the arc-shaped edge positions of the right-angle sector.
In some embodiments, the square body of the lifting rod butt joint piece is installed between two fan-shaped side plates of the angle adjusting seat, pin holes are respectively formed in the positions, close to the two end portions, of the square body, 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 at 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 for receiving the lifting rod and securing the lifting rod with a pin.
In some embodiments, the lifting rod is a telescopic rod or a carbon fiber rod that can be spliced in multiple segments.
In some embodiments, the upper end face or one side face of the shell is provided with a hanging ring so as to suspend the geological radar above the retaining facility for completing detection.
According to the geological detection system for railway shielding facilities and tunnels provided by the embodiment of the invention, at least the following beneficial effects can be obtained:
(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 portable terminals such as mobile phones and tablet computers, so that the geological detection process is convenient and fast, and the detection result of the geological radar can be displayed on the portable terminals so as to be checked.
(2) This geological radar sets up detachable and lifts the device, can increase geological radar's detection range, is particularly useful for the geological survey in higher railway fender protection facility and tunnel.
(3) This geological radar's lifting device's simple structure, the equipment mode is simple to have certain angular adjustment design, make this geological radar's suitability good.
Additional advantages, objects, and features of the invention 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 invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof 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 invention are not limited to the specific details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the detailed description that follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For purposes of illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary apparatus actually manufactured according to the present invention. In the drawings:
fig. 1 is a block diagram of a geological detection system for railway shelters and tunnels in an embodiment of the present invention.
Fig. 2 is a block diagram of a geological detection system for railway shelters and tunnels in another embodiment of the present invention.
Fig. 3 is a schematic diagram of a geological radar and a portable terminal connection in an embodiment of the invention.
Fig. 4 is a schematic diagram of a connection process between the geological radar and the portable terminal according to an embodiment of the invention.
Fig. 5 is a schematic diagram of a setup module of a portable terminal according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of an acquisition part of a portable terminal in an embodiment of the present invention.
Fig. 7 is a schematic diagram illustrating a portable terminal uploading a file to a server according to an embodiment of the present invention.
Fig. 8 is a flowchart illustrating the operation of the software side of the portable terminal according to an embodiment of the present invention.
Fig. 9 is a schematic diagram of a setting flow performed by a software side 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 the embodiment of the invention.
FIG. 11 is a schematic diagram of a geological radar in an embodiment of the invention.
Fig. 12 is a schematic structural diagram of a detachable bracket according to an embodiment of the invention.
Fig. 13 is a schematic structural view of an angle adjustment base according to an embodiment of the present invention.
Figure 14 is a front view of a geological radar and removable support in an embodiment of the invention.
Fig. 15 is a schematic perspective view of a geological radar and a detachable bracket according to an embodiment of the invention.
Reference numerals:
10. a 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. riveting; 102. connecting holes; 111. a handrail; 112. marking a button; 113. a protective sleeve; 114. a hoisting ring; 120. a host panel; 121. a switch button; 122. an indicator light; 123. a charging interface; 124. a distance measuring wheel signal interface; 310. a detachable bracket; 311. a rectangular truss; 312. a right-angle seat; 3121. a slot; 313. connecting the bottom plate; 3131. a first mating hole; 320. an angle adjusting seat; 321. a substrate section; 3211. a second docking hole; 3212. an arc-shaped slot; 322. a sector plate portion; 3221. a sector-shaped side plate; 3222. fixing the jack; 3223. changing the jack; 330. a lifting bar butt joint; 331. a square body portion; 332. a joint pipe; 333. a pin shaft; 334. a wave pin; 3321. a through hole;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant 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," if not specifically stated, may refer herein to not only a direct connection, but also an indirect connection in which an intermediate is present.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.
The invention provides a geological detection system for railway protective facilities and tunnels, which has good use convenience and can conveniently detect railway protective facilities, 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. Wherein, the portable terminal 20 comprises a display module 21, a storage module 23, a first wireless module 24 and a processor 22, and the processor 22 is connected with the display module 21, the storage module 23 and the first wireless module 24. The geological radar 10 comprises a shell 100, an antenna 11 and a host machine, wherein the antenna 11 and the host machine are packaged in the shell, and the host machine comprises a second wireless module 12, a microcontroller 13 and the like.
After the portable terminal 20 is connected with the second wireless module 12 of the geological radar 10 through the first wireless module 24, the portable terminal 20 is used for sending an instruction to the geological radar 10 to set data acquisition parameters of the geological radar, the portable terminal sends an acquisition control instruction 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 portable terminals such as mobile phones and tablet computers, so that the geological detection process is convenient and fast, and the detection result of the geological radar can be displayed on the portable terminals so as to be checked.
In some embodiments, as shown in fig. 2, the portable terminal further comprises 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, 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 file and the image acquired by the image acquisition module to the server.
In an embodiment, as shown in fig. 3, the portable terminal may employ a mobile phone, a camera thereof as an image capturing module, and a wireless module thereof as a first wireless module. Wherein, geological radar can load wireless wiFi chip as the second wireless module, and Microcontroller (MCU) can adopt STM32F407 controller etc.. The STM32F407 controller finishes the functions of acquisition and conversion of radar transmitted wave signals and wireless transmission of radar data and control commands in sequence through an externally-expanded ADC, a wireless WiFi chip and a data transceiver. The server side can carry an embedded real-time operating system RT _ Thread OS, and the application program is developed and realized on the basis of an RAM interface of an embedded lwip protocol stack.
The embedded Ethernet platform is the core of the geological radar communication system, and the main control core of the embedded Ethernet platform 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 the 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 externally expanding a memory; the SDIO interface can be used for externally expanding a wireless WiFi chip; the data bus of the FSMC and the external ADC can realize high-speed A/D conversion; 10/100 the Ethernet MAC can fully meet the requirement of radar 3.2Mb/s transmission speed, and the network data transceiver circuit of the server end can be built only by externally expanding a physical interface transceiver (PHY).
In the above implementation, the connection of the geological radar and the portable terminal may employ a 2.4G Wi-Fi connection, but is not limited thereto, and for example, a 5G Wi-Fi connection may also be employed. Compared with the traditional geological radar, the method improves wireless digital signal transmission from wired analog signal transmission, and enhances the stability and reliability of data.
As shown in fig. 4, a detection person can open wifi at the android end of the mobile phone through the wifi module, and then can automatically connect with the geological radar host, and the connection is successfully established by setting the local ip address as a static address and establishing connection with the radar. The automatic connection part can adopt codes to carry out wifi connection setting, and due to the safety setting above android8, the setting of the static ip cannot be directly obtained, and only can be obtained and modified in a reflection type mode, and the connection is carried out again.
In some embodiments, the portable terminal is configured to perform the acquisition and data processing in a non-professional mode or a professional mode. As shown in fig. 5, the setting module of the software end of the portable terminal mainly includes three modules, the first module is used for setting a file path, the second module is used for setting parameters acquired by the geological radar, and the third module is used for setting parameters of data processing. The parameter setting of the file path and the data processing is stored locally, and the parameter collected by the geological radar is sent to a radar host end in a command mode to be subjected to parameter setting.
In some embodiments, as shown in fig. 6, the software side of the portable terminal mainly displays and writes data information returned by the radar into a file, which includes reading parameters of a data processing part stored locally and performing data processing on the data information.
In some embodiments, as shown in fig. 7, the software side of the portable terminal mainly uploads the file of the acquired radar data to the server side (backend server), and uploads the information of the barricade and the acquired personnel information together with the live photos.
Fig. 8 is a flowchart illustrating the operation of the software side of the portable terminal according to an embodiment of the present invention. As shown in fig. 8, the software terminal communicates with the radar through a fixed ip that is connected to wifi of the radar and has a local ip address set to be static, 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, the setting method is called back after the connection is successful, and the setting button turns green at the moment so that click setting can be carried out. And sending a setting instruction for setting, starting sending the collected data after the radar returns the set response instruction, wherein the collected data is used for displaying the single-channel oscillogram in real time, and can be used for processing filtering, gain and the like according to the single-channel oscillogram. After the setting is finished, collecting is started, including the steps of receiving data content returned by a radar host, analyzing 10-1036 data, converting the data into a short type array, wherein the length of the array is 513, the last node content of the last array is a voltage value, the voltage value is within a range of 3000-2000, generally, the voltage value is not an exact fixed value and can fluctuate, the last two bits are processed, the first two bits are reserved and mapped to 0-100, the voltage value is displayed through a user-defined view coulomb diagram, and the default of the voltage value is null, namely, the voltage value cannot be generated when the radar does not send a data packet. And returning the short type array to the main activity, setting a Handler in the settingActivity for receiving, and transmitting the Handler to the custom view for drawing the single-channel oscillogram. And sending an acquisition instruction after the setting is finished, returning an acquired data packet by the radar, mapping the data to the gray level by analyzing the data packet, customizing the View for drawing and displaying, and writing the data into a file. The contents can be filled in a json format through an upload button and uploaded to a webpage background through an http protocol, wherein radar data are uploaded to a rear end and then returned to a storage position url at a server end, picture uploading is also returned to the storage position url at the server end, url filling in the json format of an uploading page is uploaded to the background, and then all uploading can be completed.
Fig. 9 is a schematic diagram of a setting flow performed by a software side 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 the embodiment of the invention.
As shown in fig. 9, by clicking the Setting Activity event of the software end, whether the non-professional mode or the professional mode is selected for the current event is determined, and under the condition of the non-professional mode, the software end only provides the Setting path selection and draws a default waveform diagram for acquiring single-channel data. Under the condition of a professional mode, 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. And the portable terminal sends the acquisition parameters to a host of the geological radar in an instruction 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 acquisition parameters acquired by the geological radar, and default parameters for image processing of data by the portable terminal. Setting a path and creating a path, processing by setting callbacks of different click events, calling back a listener of a click event rewrite button in the set path, jumping a current activity setting intention to a file selection activity, displaying the current list in the file selection activity, matching the current event acquisition id with the list id, and returning the path of the click event to the settingactivity. And the path creation is to automatically generate a file path according to the current time and default the file path in the data folder. In the non-professional mode, other parameters are set as default, for example, the time window is 50, the delay is 100, the sampling frequency is 70, and the image processing on the data is not processed by default. After clicking is determined, all parameters are saved to a local xml file through sharedpreferences. The path selection can be called by the class written in the file, the acquired parameters can be directly sent to the radar host for setting, and the image processing parameters of the radar can be stored locally and called when the mainvisibility is drawn.
Specifically, in the professional mode, the portable terminal is configured to set a storage path on the storage module, set acquisition parameters acquired by the geological radar, and set a mode and parameters of the portable terminal for image processing of data.
The setting of the professional mode is mainly divided into three parts, 1, and the file path and the file name of the collected data of the radar are set. And 2, setting radar acquisition parameters such as sampling frequency, time window and the like. 3. And (3) real-time processing of the radar image, such as gain, background denoising, filtering processing and the like. 1. Setting a path and creating a path, processing by setting callbacks of different click events, calling back a listener of a click event rewrite button in the set path, jumping a current activity setting intention to a file selection activity, displaying the current list in the file selection activity, matching the current event acquisition id with the list id, and returning the path of the click event to the settingactivity. And the path creation is to automatically generate a file path according to the current time and default the file path in the data folder. 2. The radar acquisition parameters comprise sampling frequency, time window and time delay. The default data is displayed by setting EditText, the value of EditText can be modified by manual filling, and the modified value is sent to the radar terminal for parameter modification when a confirm button is clicked. 3. Image processing of the radar: and 3.1 gain processing. During gain processing, a fragment area is newly built in the settingActivity, a curve for manual gain processing is drawn in the fragment area, the current coordinate value can be obtained by dragging the curve through a method of re-customizing the View and adding event. The obtained processed data can be directly drawn by the user-defined View. 3.2 background denoising, wherein a fragment area is newly built in the settingActivity during background denoising, a curve for manual background denoising is drawn in the fragment area, the current coordinate value can be obtained by drawing the curve in a customized way and adding an event. And mapping the background denoising curve into a radar data range, and subtracting the acquired radar data array from the radar data array to realize background denoising. The automatic background denoising is an array taking the average of the first n data collected under the default condition as the background denoising. And after processing, the processed data can be used as output data for drawing View. And 3.3, filtering, namely low-pass filtering, high-pass filtering and band-notch filtering. Different filters are set by different setting methods, and the low frequency cutoff and the high frequency cutoff are set by two EditTexts. 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 railway shielding facilities and tunnels, compared with a geological radar system commonly used in the prior art, the geological detection system improves wireless digital signal transmission from wired analog signal transmission, enhances the stability and reliability of data, can conveniently set various acquisition parameters and processing modes and parameters on a portable terminal, and greatly simplifies the operation steps of detection personnel.
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 higher retaining walls on two sides of a railway tunnel outlet.
In some embodiments, the geological radar 10 may be configured with a wirelessly connected data transmission display terminal, and the geological radar 10 may include a housing 100, an antenna enclosed in 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 for data acquisition and processing of the antenna. The data transmission display terminal can adopt a mobile phone or a tablet personal computer, the data transmission display terminal and the host can adopt a WiFi wireless communication module to be connected into an integrated geological radar, a transmitting antenna can be adopted to transmit high-frequency electromagnetic waves to the underground, the electromagnetic waves are reflected on an interface with obvious electrical property difference in an underground soil layer and a rock stratum, and a receiving antenna is adopted to receive echo signals. The geological radar can be used for carrying out calculation processing, interpretation and mapping on the geological radar to obtain a display image and depth data of the underground geological structure. The device has flexible line and point arrangement, can be arranged into regular net, irregular net or any single section as required, and can observe point by point and continuously observe along the section. The geological radar can process the data by adopting a scheme in the prior art, and the detailed description is omitted.
As shown in fig. 11, the casing 100 is a rectangular parallelepiped structure, two symmetrically arranged handrails 111 are disposed on the upper end surface of the casing 100, the handrails 111 are in a strip structure, one of the handrails 111 is provided with a marking button 112, and the marking button 112 is connected to the host computer through a signal line. The geological radar 10 integrally arranges the antenna and the host in the casing 100, and does not need to drag heavy communication cables in the using process, and the geological radar 10 arranges two handrails 111 on the upper part of the casing 100, which is suitable for geological detection of retaining facilities, such as retaining wall protection at the exit of a railway tunnel. The geological radar 10 is provided with a manual marking button 112 at the position of the handrail 111, so that the operation of detection personnel is convenient, and different detection modes can be adopted.
In some embodiments, the armrest 111 is disposed near an edge of the housing 100 and has a length greater than half the length of the edge. The structure enables detection personnel to have larger operation space so as to adjust the lifting angle of the detection personnel to correspond to the retaining walls with different heights. The signal line is provided with a protective sleeve 113 at the outer side of the housing 100, and the protective sleeve 113 may be a corrugated tube made of rubber and may have a certain deformation amount. In some embodiments, the casing 100 is provided with a hanging ring 114 on the upper end or one side thereof to suspend the geological radar 10 above a shelter for detection. Alternatively, the hanging ring 114 is provided on the upper end surface of the housing 100.
In some embodiments, the housing 100 has a main panel 120 at a middle portion of an upper surface thereof, and the main panel 120 has a switch button 121, an indicator lamp 122, a charging interface 123 and a distance measuring wheel signal interface 124. The device may have a rechargeable battery built in for use with the host and the 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 sealing ring.
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 can be connected by a rivet 101, which is firmly connected and is anti-detachable. Further, the front and rear sides of the housing 100 have connection holes 102, and the connection holes 102 are used for connecting the detachable bracket 310. The forward-backward direction described herein is determined by the forward direction of the geological radar 10 when in use. Optionally, the arrangement position of the armrest 111 approximately corresponds to the arrangement positions of the transmitting antenna and the receiving antenna, and the arrangement direction of the armrest 111 approximately corresponds to the arrangement directions of the transmitting antenna and the receiving antenna.
In some embodiments, as shown in fig. 12-15, the geological radar 10 further comprises a lifting device, which may include a detachable bracket 310 for lifting the housing 100, a lifting rod (not shown), an angle adjustment base 320, a lifting rod interface 330, and the like. The lifting and supporting device can be installed when needed, is not used or detached in the transportation process, and has the advantages of simple structure, simple assembly mode and certain angle adjustment capability.
As shown in fig. 14 and 5, the supporting device is installed above the upper end surface (the surface with the handrail 111) of the geological radar 10, the antenna of the geological radar 10 is located at the bottom of the geological radar 10, and the bottom of the geological radar 10 needs to be in direct contact with the surface to be detected when the geological detection is performed.
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 bottom plates 313 at two sides of the rectangular truss 311, and the like. The right angle seat 312 is used for being fixedly connected with the casing 100, and the connection bottom plate 313 is used for being fixedly connected with the angle adjustment seat 320. Correspondingly, a pair of side surfaces of the housing 100 are respectively provided with two connecting holes 102, the connecting holes 102 are located at positions close to the upper end surface of the housing 100, and the connecting holes 102 are threaded holes.
Further, a slotted hole 3121 is formed on the right-angle seat 312 of the detachable support 310, the slotted hole 3121 corresponds to the connection hole 102 of the housing 100, and the length of the slotted hole 3121 is greater than the diameter of the connection hole 102. The detachable bracket 310 and the housing 100 can be connected by bolts or screws, and can also be provided with a gasket, and the slot 3121 can adjust the connection position of the detachable bracket 310 and the housing 100 to a small extent for installation.
In some embodiments, as shown in fig. 12 and 13, the angle-adjusting base 320 may include a base plate portion 321 and a fan-shaped plate portion 322, the fan-shaped plate portion 322 has a fixed insertion hole 3222 and a plurality of variable insertion holes 3223 arranged along an arc, the base plate portion 321 is configured to be connected to the connecting base plate 313, and the fan-shaped plate portion 322 is configured to be connected to the rod-connecting member 330.
Further, each of the connection bottom plates 313 may have three first coupling holes 3131, and the base plate 321 of the angle adjustment base 320 has one second coupling hole 3211 and one arc-shaped groove 3212. Wherein one first coupling hole 3131 is positioned to correspond to the second coupling hole 3211, and the other two first coupling 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 connecting hole 3131, and the length of the arc-shaped slot 3212 is greater than the length of the equal-curvature connecting arc of the two corresponding first connecting holes 3131, so that the installation positions of the arc-shaped slot 3212 and the two corresponding first connecting holes 3131 can be adjusted to change the installation angle of the angle-adjusting base 320. The first and second coupling holes 3131 and 3211, the first coupling hole 3131, and the arc-shaped groove 3212 are fixedly coupled by bolts or screws.
Through the above structural design, the angle adjusting base can adjust the installation angle within a certain range according to the three-point positioning design of the base plate portion 321.
Further, the sector plate portion 322 is vertically connected to the base plate portion 321 and located at the 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 threaded connection. The sector-shaped plate portion 322 has two symmetrically arranged sector-shaped side plates 3221, the sector-shaped side plates 3221 are substantially in a right-angle sector structure, the fixed insertion holes 3222 are located at adjacent positions of right-angle sides of the right-angle sector, and the variable insertion holes 3223 are located at positions close to arc-shaped edges of the right-angle sector.
Correspondingly, the lever interface 330 may include a square body 331 and a connector tube 332, the square body 331 being angularly adjustable by being connected to the different variable insertion holes 3223 of the sector plate portion 322, and the connector tube 332 being adapted to be connected to the lever. The square body 331 of the rod-lifting butt-joint part 330 is installed between the two fan-shaped side plates 3221 of the angle-adjusting seat 320, pin holes are respectively formed at positions of the square body 331 near the two end portions, one of the pin holes 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 at a selected angle through the pin shaft 333.
Preferably, the pin 333 is a pin with a hole 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 adjusting base 320 is provided with the plurality of variable insertion holes 3223, so that the installation angle of the rod interface 330 can be changed, and the installation angle of the rod can be adjusted, the geological radar 10 is suitable for various slopes of sheltering facilities.
In some embodiments, as shown in fig. 12, the adapter tube 332 has a through hole 3321 for receiving and securing the lift pins.
In some embodiments, the lifting rod may be a telescopic rod or a carbon fiber rod with multiple segments, and the length of the lifting rod may be set according to actual requirements, for example, a single length may be 1.5m to 2m, and the overall length may be 3 m to 10 m. The lifting rod is a rigid rod, and the position, the moving speed, the moving direction and the like of the geological radar can be flexibly controlled.
In some embodiments, the geological radar 10 has dimensions of 350mm by 220mm, and the antenna has a frequency of 400 MHz. The geological radar has the advantages of compact design, small volume, light weight, portability, high measurement precision, simplicity in operation and the like, and can be applied to the engineering fields of construction engineering quality detection, house decoration/transformation, highway surface layer thickness detection, highway bridge detection, hydraulic engineering detection and the like.
According to the geological detection system for railway shielding facilities and tunnels provided by the embodiment of the invention, at least the following beneficial effects can be obtained:
(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 portable terminals such as mobile phones and tablet computers, so that the geological detection process is convenient and fast, and the detection result of the geological radar can be displayed on the portable terminals so as to be checked.
(2) This geological radar sets up detachable and lifts the device that props, can increase geological radar's detection range, and this geological radar adopts wireless communication and detachable to lift the device that props, makes things convenient for the testing process, is particularly useful for the geological survey in higher railway fender protection facility and tunnel.
(3) This geological radar's lifting device's simple structure, the equipment mode is simple to have certain angular adjustment design, make this geological radar's suitability 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 may be implemented as hardware, software, or combinations of both. Whether this is done in hardware or software depends upon the particular application and design constraints imposed on the solution. 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, plug-in, 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 by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, 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 so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this patent 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, may be performed in an order different from the order in the embodiments, or 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.
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 in the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A geological detection system for railway shelters and tunnels, characterized in that it 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 which are packaged in the shell, wherein 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 complete 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 image on a display module;
the geological radar also 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 fan-shaped plate part, the fan-shaped plate part is provided with a fixed insertion hole and a plurality of variable insertion holes distributed along an arc line, the base plate part is used for being connected with the connecting bottom plate, and the fan-shaped plate part is used for being connected with the lifting rod butt joint part;
the lifter butt joint piece comprises a square body part and a joint pipe, the square body part is connected with the variable jack for angle adjustment through the difference of the fan-shaped plate parts, and the joint pipe is used for being connected with the lifter.
2. The geological detection system for railway shelters and tunnels according to claim 1, characterized in that said portable terminal further comprises an image acquisition module for acquiring images of the geological radar detection area;
the geological detection system also comprises a server side, wherein the server side is connected with the portable terminal through a network, and the portable terminal writes received data into a file and transmits the data and the image collected by the image collection module to the server side.
3. The geological detection system for railway shelters and tunnels according to claim 2, characterized in that said portable terminal is used to set acquisition and data processing in a non-professional or professional mode;
in the non-professional mode, the portable terminal is used for setting a storage path on the storage module, setting acquisition parameters acquired by the geological radar in a default mode, and setting parameters for image processing of data by the portable terminal in a default mode;
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 for the portable terminal to perform image processing on data;
the portable terminal sends the acquisition parameters to a host of the geological radar in an instruction mode, wherein the acquisition parameters comprise a time window, time delay and sampling frequency;
the image processing mode of the portable terminal on the data comprises gain processing, background denoising and filtering processing, and the filtering processing comprises low-pass filtering, high-pass filtering and stuffing filtering.
4. The geological detection system for railway shelters and tunnels according to claim 1, characterized in that a pair of lateral faces of said housing each have two connection holes, said connection holes being located close to the upper end face of said housing, said connection holes being threaded holes;
the detachable support is characterized in that a slotted hole is formed in the right-angle seat of the detachable support, 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 shelters and tunnels of claim 1, wherein each of said connection floors has three first docking holes, said base plate of said angle-adjustment base has one second docking hole and one arc-shaped slot;
wherein one of the first aligning holes is positioned to correspond to the second aligning hole, and the other two of the first aligning holes are positioned 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 hole, and the length of the arc-shaped groove is larger than the length of the equal-curvature connecting arc of the two corresponding first butt holes;
the first butt joint hole and the second butt joint hole, the first butt joint hole and the arc-shaped groove are fixedly connected through bolts or screws.
6. The geological detection system for railway shelters and tunnels according to claim 5, characterized in that said sector-shaped plate section is vertically connected to and located in the middle of said base plate section, said sector-shaped plate section has two sector-shaped side plates, said sector-shaped side plates are approximately in the structure of right-angle sector, said positioning holes are located at the adjacent position of the right-angle side of said right-angle sector, and said variable insertion holes are located at the arc-shaped edge position of said right-angle sector.
7. The system of claim 6, wherein the square body of the lifting bar butt joint member is installed between two fan-shaped side plates of the angle adjusting seat, the square body has pin holes near two ends, one of the pin holes is connected with the fixed insertion hole through a pin shaft, and the other pin hole is connected with the variable insertion hole at a selected angle through a pin shaft.
8. The geological detection system for railway shelters and tunnels according to claim 7, characterized in that said pin is a holed pin and is locked with a wavy pin;
the joint pipe is provided with a through hole to be inserted into the lifting rod and fixed through a pin.
9. The geological detection system for railway shelters and tunnels according to claim 1, characterized by the fact that the lifting rods are telescopic rods or carbon fiber rods that can be spliced in segments.
10. The geological detection system for railway shelters and tunnels according to claim 1, characterized in that the upper end or one side of said housing is provided with hanging ring to suspend geological radar above the shelter to complete detection.
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