CN216815395U - Wireless signal transmission's deep level displacement monitoring facilities - Google Patents
Wireless signal transmission's deep level displacement monitoring facilities Download PDFInfo
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- CN216815395U CN216815395U CN202123012493.5U CN202123012493U CN216815395U CN 216815395 U CN216815395 U CN 216815395U CN 202123012493 U CN202123012493 U CN 202123012493U CN 216815395 U CN216815395 U CN 216815395U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 68
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000001133 acceleration Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 12
- 239000002965 rope Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002238 attenuated Effects 0.000 description 1
- 230000002146 bilateral Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 230000002269 spontaneous Effects 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A deep level displacement monitoring device for wireless signal transmission comprises an inclinometer and a plurality of displacement monitors, wherein each displacement monitor comprises a columnar shell, a triaxial accelerometer module, a data processing module, a wireless narrowband ad hoc network module and a power supply module are arranged in the columnar shell, the triaxial accelerometer module is connected with the signal input end of the data processing module, and the data processing module is connected with the wireless narrowband ad hoc network module; two ends of the columnar shell are respectively provided with an aviation plug and an aviation socket; the power modules of every two adjacent displacement monitors are electrically connected with each other through the navigation plug and the navigation socket; the power module is connected with an external power supply through a power supply cable in the uppermost displacement monitor. The utility model overcomes the defects of the prior art, realizes the wireless data transmission of the deep displacement monitoring equipment in the construction site by the communication means of the wireless narrowband ad hoc network, does not need cable laying, and effectively avoids the risk of cable damage.
Description
Technical Field
The utility model relates to the technical field of deep level displacement monitoring, in particular to a wireless signal transmission deep level displacement monitoring device.
Background
In the current deep layer displacement monitoring, the following methods are mainly used for measurement: the method comprises the steps of presetting an inclinometer pipe, and penetrating the inclinometer pipe from the surface of a soil body to the bottom of the soil body. The interior of the inclinometer is provided with a groove for orientation. During measurement, the guide wheel of the deep displacement monitoring device is aligned to the groove, and the cable of the control device is slowly put down to the bottom and then slowly pulled up. During the period, the device measurement data is transmitted to the device controller through the cable, the memory card in the controller is pulled out, and the data is copied to the personal computer for data processing and analysis.
All similar devices in the market today use cables for data transmission. Such cables are usually Kevlar cables, which are very resistant to damage. However, the construction environment such as a foundation pit is often damaged. Such as an excavator inadvertently breaking a buried cable. In addition, in many cases in actual measurement, the displacement of the supporting enclosure wall of the foundation pit is enough to cause the inclination measuring pipe to bend and deform, so that the sensor cannot enter the inclination measuring pipe, and the monitoring point fails.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the deep level displacement monitoring equipment for wireless signal transmission and the error testing method, overcomes the defects of the prior art, has reasonable design, realizes the wireless data transmission of the deep level displacement monitoring equipment in the construction site by the communication means of the wireless narrowband ad hoc network, does not need cable laying, and effectively avoids the risk of cable damage.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a wireless signal transmission deep level displacement monitoring device comprises an inclinometer and a plurality of displacement monitors, wherein each displacement monitor comprises a columnar shell, a three-axis accelerometer module, a data processing module, a wireless narrowband ad hoc network module and a power module are fixedly installed in the columnar shell, the electric quantity output end of the power module is respectively connected with the three-axis accelerometer module, the data processing module, the wireless narrowband ad hoc network module and the power module, the signal output end of the three-axis accelerometer module is connected with the signal input end of the data processing module and transmits the acquired three-dimensional acceleration output voltage value to the data processing module, and the signal output end of the data processing module is connected with the wireless narrowband ad hoc network module;
the two ends of each columnar shell are respectively provided with an aviation plug and an aviation socket, two adjacent columnar shells are connected with the aviation socket through the aviation plug by adopting aviation plug, and the wireless narrowband ad hoc network module of each group of displacement monitors is connected with the wireless gateway through a tree-shaped, star-shaped or annular network; the power modules of every two adjacent displacement monitors are electrically connected with each other through the navigation plug and the navigation socket; the power module is connected with an external power supply through a power supply cable in the uppermost displacement monitor.
Preferably, a sealing ring is sleeved on the outer surface of the navigation plug, and the navigation plug is in sealing connection with the navigation socket through the sealing ring.
Preferably, the inner side surface of the inclinometer pipe is axially provided with a roller guide groove, the outer surface of each columnar shell is provided with a guide wheel, and the guide wheels are movably connected in the roller guide grooves.
Preferably, every the adjustment tank has all been seted up to column shell surface both sides, the one end of connecting the head rod is rotated through the pivot to the adjustment tank upper end, sliding connection has the stopper in the adjustment tank, the stopper surface rotates the one end of connecting the second connecting rod through the pivot, there is the leading wheel through pivot swing joint between the other end of head rod and the second connecting rod other end that is located the opposite side, and two sets of head rods and second connecting rod form the parallelogram structure, the one end of surface mounting spring is fixed on the stopper, the other end fixed mounting of spring is in the adjustment tank upper end.
The utility model provides a deep level displacement monitoring device for wireless signal transmission. The method has the following beneficial effects: through the communication means of wireless narrowband ad hoc network, realized deep displacement monitoring facilities's wireless data transmission among the job site, need not the cable and lay, effectively avoided the destroyed risk of cable.
Drawings
In order to more clearly illustrate the present invention or the prior art solutions, the drawings that are needed in the description of the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the displacement monitor of the present invention;
FIG. 3 is a schematic view of the displacement monitor of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is a schematic diagram of a wireless narrowband ad hoc network of the present invention;
the reference numbers in the figures illustrate:
1. an inclinometer pipe; 2. a displacement monitor; 3. a seal ring; 4. an adjustment groove; 7. a first connecting rod; 8. a limiting block; 9. a second connecting rod; 10. a guide wheel; 11. a spring; 21. a cylindrical housing; 22. a triaxial accelerometer module; 23. a data processing module; 24. a wireless narrowband ad hoc network module; 25. a power supply module; 26. an aviation plug; 27. navigation socket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings.
In the first embodiment, as shown in fig. 1 to 5, a deep-layer displacement monitoring device for wireless signal transmission includes an inclinometer 1 and a plurality of displacement monitors 2, each displacement monitor 2 includes a cylindrical housing 21, a triaxial accelerometer module 22, a data processing module 23, a wireless narrowband ad hoc network module 24 and a power supply module 25 are fixedly installed in the cylindrical housing 21, an electric quantity output end of the power supply module 25 is respectively connected with the triaxial accelerometer module 22, the data processing module 23, the wireless narrowband ad hoc network module 24 and the power supply module 25, a signal output end of the triaxial accelerometer module 22 is connected with a signal input end of the data processing module 23, and transmits an acceleration output voltage value of three directions to the data processing module 23, and a signal output end of the data processing module 23 is connected with the wireless narrowband ad hoc network module 24;
two ends of each columnar shell 21 are respectively provided with an aviation plug 26 and an aviation socket 27, two adjacent columnar shells 21 are connected with the aviation socket 27 through the aviation plug 26 by adopting aviation plug, and the wireless narrowband ad hoc network module 24 of each group of displacement monitor 2 is connected with the wireless gateway by a tree-shaped, star-shaped or annular network; the power modules 25 of every two adjacent displacement monitors 2 are electrically connected with each other through the navigation plug 26 and the navigation socket 27; the power module in the uppermost displacement monitor 2 is connected with an external power supply through a power supply cable.
The working principle is as follows:
when the displacement monitoring device is installed, a hole with the depth of 14 meters is firstly punched at a monitoring position requiring monitoring, then the inclinometer 1 is placed in the punched hole, 12 sections of displacement monitors 2 are assembled, in the embodiment, the length of each section of displacement monitor 2 is 1 meter, the total length is 12 meters, the assembled displacement monitors 2 are placed in the inclinometer 1, a power supply cable is exposed, a protective cover of the inclinometer 1 is covered, the power supply cable is directly connected with a 12V storage battery, and the 20AH storage battery can continue cruising for 26 days. At this time, the displacement monitor 2 starts to work and enters the network by itself.
The 12 sections of displacement monitors 2 in a single inclinometer all form a wireless ad hoc network through the wireless narrowband ad hoc network module 24, and if other instruments or gateways with the same port can be found in the wireless signal coverage range of the wireless narrowband ad hoc network module 24, spontaneous networking can be carried out. Because the displacement monitor 2 is in the soil buried, the signal will be attenuated, but due to the characteristics of ad hoc network, the wireless narrowband ad hoc network module 24 of the lowermost displacement monitor 2 can transmit the data of the whole inclinometer pipe to the gateway or other equipment through the uppermost wireless narrowband ad hoc network module 24. If the inclinometer pipe is far away from the gateway and the signal intensity is insufficient, all equipment signals in the inclinometer pipe can be transmitted to the gateway through the wireless network of other inclinometer pipes.
In this embodiment, considering that the bandwidth of the wireless narrowband ad hoc network module 24 is relatively small, the data processing module 23 in the displacement monitor 2 may calculate a triaxial acceleration voltage value every 10 minutes, convert the triaxial acceleration voltage value into inclination data, and report a data transmission to the gateway through the wireless narrowband ad hoc network module 24. And after receiving the equipment signal, the gateway uploads the equipment signal to a cloud server through 4G. The user inputs the server address through a browser of the personal computer, logs in the account number and the password to view historical monitoring data, and selects the start date and the end date to download the report.
In this embodiment, the adjacent displacement monitors 2 are connected by standard aviation plug 26 and aviation plug 27, and are used for DC12V power transmission, and the outer surface of the aviation plug 26 is sleeved with a sealing ring 3 to reach the IP68 level. In each section of displacement monitor 2, the three-axis accelerometer module 22 collects the three-direction acceleration output voltage values and transmits the three-direction acceleration output voltage values to the data processing module 23, and the data processing module 23 is stm32f407vgt6, and converts and calculates the accelerometer voltage signals to obtain three-direction inclination data. The calculated tilt data is wirelessly transmitted to the gateway through the wireless narrowband ad hoc network module 24. The power module 25 has a voltage stabilizing function, can input 9-36V wide voltage, outputs stable 5V and 3.3V, and supplies power to the three-way accelerometer module, the data processing module and the wireless narrowband ad hoc network module.
And no matter how many sections of displacement monitor 2 splice, all can form tree type, star type or annular network connection between every section of displacement monitor 2, the gateway, suffers destruction when certain section of displacement monitor 2, does not all influence the normal work and the data connection of other sections.
In the second embodiment, as a further preferable scheme of the first embodiment, a roller guide groove is formed in the inner side surface of the inclinometer 1 along the axial direction, a guide wheel 10 is mounted on the outer surface of each cylindrical shell 21, and the guide wheel 10 is movably connected in the roller guide groove. Adjustment tank 4 has all been seted up to every column shell 21 surface both sides, the one end of connecting head rod 7 is rotated through the pivot in the 4 upper ends of adjustment tank, sliding connection has stopper 8 in the adjustment tank 4, the one end of connecting second connecting rod 9 is rotated through the pivot to the 8 surfaces of stopper, there is leading wheel 10 through pivot swing joint between the other end of head rod 7 and the second connecting rod 9 other end that is located the opposite side, two sets of head rods 7 and second connecting rod 9 form the parallelogram structure, surface fixed mounting spring 11's one end on the stopper 8, spring 11's other end fixed mounting is in adjustment tank 4 upper end.
Leading wheel 10 through the setting of 2 bilateral symmetry of displacement monitor plays the guide effect to displacement monitor 2, and when displacement monitor 2 placed in deviational survey pipe 1, leading wheel 10 through the extrusion column shell 21 both sides, slide down in adjustment tank 4 through stopper 8 this moment, make leading wheel 10 can enter into adjustment tank 4, and drive whole displacement monitor 2 and move down along adjustment tank 4, spring 11 is in tensile state this moment, consequently, spring 11 can give 8 pulling force effects of stopper, thereby the parallelogram structure effect of forming through head rod 7 and second connecting rod 9, thereby make leading wheel 10 of both sides have one to the conflict effect of adjustment tank 4 direction, then make whole displacement monitor 2 can stable installation in the middle of deviational survey pipe 1, an improvement monitor 2's measurement accuracy.
The third embodiment of the utility model also discloses an error testing method of the wireless signal transmission deep level displacement monitoring equipment, which comprises the following steps:
step S1: after the displacement monitors 2 are assembled, placing the assembled displacement monitors into the inclinometer 1, naturally hanging the whole inclinometer 1 on a door frame, electrifying the door frame to ensure that the sensors and the monitoring terminals are connected with the internet, and connecting a rigid rope at the bottom of the inclinometer 1;
step S2: adjusting the steel rope to enable the steel rope to be screwed tightly, and marking P at the vertical foot position of the center line of the displacement monitor 2 and the ground level0Point;
step S3: logging in a monitoring terminal observation interface; the interface comprises a horizontal displacement trend chart of the x part and the y part of the sensor;
in this embodiment, the data storage, sensor setting, and calibration processes of the monitoring terminal are all completed in the monitoring terminal server except that the data processing is completed locally. In the measuring process, a user can directly use any calculation connected with the Internet to access real-time data in a webpage mode. In the main interface of the monitoring terminal, the horizontal displacement conditions of different depths can be directly displayed, including an x axis and a y axis.
Step S4: arbitrary distance L for horizontally pulling steel rope1And locking the vertical point mark P of the steel rope and the plumb bob1Dot and measure P0Point to P1Distance of point, recording measurement result Q1；
Step S5: any distance L for pulling steel rope2And locking the vertical point mark P of the steel rope and the plumb bob2Dot and measure P0Point to P2Distance of point, recording measurement result Q2；
Step S6: repeating the step S5 until the steel rope is pulled for any distance L5And locking the vertical point mark P of the steel rope and the plumb bob5Dotting and measuring P0Point to P5Distance of point, recording measurement result Q5；
Step S7: the calculation steps of the resolution and the measurement error of the error reaction measuring instrument are as follows:
ε＝P-Q
in the formula: epsilon is the measurement error mm; p is PnPoint and P0Distance between points, PnThe vertical point of the plumb line when the nth pull is performed. Q is the measurement value of the displacement monitor 2.
In the present embodiment, the amount of inclination change generated by embedding in the inclinometer is converted into the horizontal displacement amount at a certain depth. The length of the single-section displacement monitor 2 is fixed to be one meter, and horizontal displacement measurement of different depths is carried out through the series connection of the multiple-section displacement monitor 2.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A deep level displacement monitoring device for wireless signal transmission, comprising: comprises an inclinometer pipe (1) and a plurality of displacement monitors (2), wherein each displacement monitor (2) comprises a cylindrical shell (21), a triaxial accelerometer module (22), a data processing module (23), a wireless narrowband ad hoc network module (24) and a power supply module (25) are fixedly arranged in the columnar shell (21), the electric quantity output end of the power supply module (25) is respectively connected with the triaxial accelerometer module (22), the data processing module (23), the wireless narrowband ad hoc network module (24) and the power supply module (25), the signal output end of the triaxial accelerometer module (22) is connected with the signal input end of the data processing module (23), and transmits the acquired three-way acceleration output voltage value to a data processing module (23), the signal output end of the data processing module (23) is connected with a wireless narrowband ad hoc network module (24);
two ends of each columnar shell (21) are respectively provided with an aviation plug (26) and an aviation plug seat (27), two adjacent columnar shells (21) are connected with the aviation plug seats (27) through the aviation plugs (26) by adopting aviation plug, and the wireless narrowband ad hoc network module (24) of each group of displacement monitors (2) is connected with the wireless gateway through a tree-shaped, star-shaped or annular network; the power supply modules (25) of every two adjacent displacement monitors (2) are electrically connected with each other through the navigation plug (26) and the navigation socket (27); the power supply module in the uppermost displacement monitor (2) is connected with an external power supply through a power supply cable.
2. The apparatus of claim 1, wherein the deep level shift monitoring device for wireless signal transmission comprises: the outer surface of the navigation plug (26) is sleeved with a sealing ring (3), and the navigation plug (26) is connected with a navigation socket (27) in a sealing mode through the sealing ring (3).
3. The apparatus of claim 1, wherein the deep level shift monitoring device for wireless signal transmission comprises: the inner side surface of the inclinometer tube (1) is provided with a roller guide groove along the axial direction, the outer surface of each columnar shell (21) is provided with a guide wheel (10), and the guide wheels (10) are movably connected in the roller guide grooves.
4. The apparatus of claim 1, wherein the deep level shift monitoring device for wireless signal transmission comprises: every adjustment tank (4) have all been seted up to column shell (21) surface both sides, adjustment tank (4) upper end is rotated the one end of connecting head rod (7) through the pivot, sliding connection has stopper (8) in adjustment tank (4), stopper (8) surface rotates the one end of connecting second connecting rod (9) through the pivot, there are leading wheel (10) through pivot swing joint between the other end of head rod (7) and second connecting rod (9) the other end that is located the opposite side, two sets of head rod (7) and second connecting rod (9) form the parallelogram structure, the one end of stopper (8) upper surface fixed mounting spring (11), the other end fixed mounting of spring (11) is in adjustment tank (4) upper end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123012493.5U CN216815395U (en) | 2021-12-02 | 2021-12-02 | Wireless signal transmission's deep level displacement monitoring facilities |
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| CN202123012493.5U CN216815395U (en) | 2021-12-02 | 2021-12-02 | Wireless signal transmission's deep level displacement monitoring facilities |
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| CN202123012493.5U Active CN216815395U (en) | 2021-12-02 | 2021-12-02 | Wireless signal transmission's deep level displacement monitoring facilities |
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