CN212179856U - Sediment thickness measurement system - Google Patents
Sediment thickness measurement system Download PDFInfo
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- CN212179856U CN212179856U CN202020664086.9U CN202020664086U CN212179856U CN 212179856 U CN212179856 U CN 212179856U CN 202020664086 U CN202020664086 U CN 202020664086U CN 212179856 U CN212179856 U CN 212179856U
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Abstract
The utility model discloses a sediment thickness measurement system, which consists of a sediment thickness measurement probe, a cable, a rack, a cable disc and a data acquisition and analysis terminal, wherein the middle part of the sediment thickness measurement probe is provided with an acquisition circuit containing bin; a sampling line and a PCB are arranged in the acquisition circuit containing bin; the PCB is provided with an attitude angle sensor; the acquisition circuit containing bin and the cable reel transmit data through the cable; the cable disc is provided with a wireless signal transmitting device, and the wireless signal transmitting device transmits data transmitted by the power signal wire to the data acquisition and analysis terminal through a wireless signal; and the data acquisition and analysis terminal display screen displays the data transmitted by the wireless signal transmitting device and automatically warns when the inclination angle is larger than a specified angle. The utility model discloses visual display, automatic early warning can improve and measure the precision, reduce the invalid operation of personnel, reduce the recruitment cost.
Description
Technical Field
The utility model relates to a bored pile sediment thickness measurement technical field especially relates to a sediment thickness measurement system in engineering construction.
Background
The pile bottom sediment is loose slag stone or slag soil which is formed after a drill bit breaks a rock soil body during drilling and is remained at the bottom of the pile, and the existence of the over-thick sediment can influence the bearing capacity of the pile and cause the overlarge sedimentation amount of the pile. The existing national relevant standards and specifications have definite regulations on the thickness of the sediment, and for example, the technical specification of the building pile foundation (JGJ94-94), the thickness index of the sediment at the bottom of the slurry wall-protecting pore-forming cast-in-place pile shall meet the following requirements: 1) the end bearing pile is smaller than 50 mm; 2) the friction end-bearing pile, the end-bearing friction pile and the underground continuous wall are less than 100 mm; 3) the friction pile is less than 300 mm. The quality detection standard is very strict, the inclination of the downward detection angle of a probe can cause errors of a measurement result when the sediment thickness measurement probe detects sediment, the inclination angle of the sediment measurement probe inserted into sediment to be measured is generally controlled within 8 degrees, the existing sediment thickness measurement technical means comprise a heavy punch method, a probe cake measuring method, an inductive sediment thickness measurement method and the like, but no sediment thickness measurement system which is provided with an attitude angle sensor and can realize automatic early warning by transmitting a wireless signal to a data acquisition and analysis terminal when the inclination angle is larger than a specified angle is provided at present.
Disclosure of Invention
An above-mentioned not enough to exist among the prior art, the utility model aims to provide a sediment thickness measurement system, sediment thickness measurement system can the angle of inclination when visual display sediment measurement probe inserts the sediment that awaits measuring, the angle of inclination is greater than the automatic early warning of regulation angle when sediment measurement probe inserts the sediment that awaits measuring at data acquisition analysis terminal, overcomes the defect that exists among the current sediment thickness measurement technique, measures accurately, optimizes measurement process, improves measurement personnel work efficiency. In order to solve the technical problem, the utility model adopts the following technical scheme:
a sediment thickness measuring system is composed of a sediment thickness measuring probe, a cable, a rack, a cable disc and a data acquisition and analysis terminal; the middle part of the sediment thickness measuring probe is provided with an acquisition circuit containing bin; a sampling line and a PCB are arranged in the acquisition circuit containing bin, and the PCB is vertically arranged in the acquisition circuit containing bin; the PCB is provided with an attitude angle sensor which is vertically inserted into the PCB; the acquisition circuit containing bin and the cable reel transmit data through the cable; the cable disc is provided with a wireless signal transmitting device, and the wireless signal transmitting device transmits the data transmitted by the cable to the data acquisition and analysis terminal through a wireless signal; and the data acquisition and analysis terminal display screen displays the data transmitted by the wireless signal transmitting device, and the early warning system automatically warns when the inclination angle of the sediment to be measured is inserted into the sediment measuring probe and is greater than a specified angle.
Further, the attitude angle sensor outputs the current attitude angle of the module in a dynamic environment through a dynamic Kalman filtering algorithm to measure the inclination angle of the sediment thickness measuring probe extending to the sediment to be measured.
Furthermore, the PCB is vertically arranged in the collecting circuit containing bin and is fixed by adopting a mechanical supporting method, and a parallelism measuring instrument is used for ensuring that the circuit board and the sediment thickness measuring probe are arranged in parallel when the PCB is fixed.
Furthermore, the attitude angle sensor is vertically inserted into the PCB and fixed by adopting a pin welding method, so that the attitude angle sensor does not move relative to the position of the PCB any more.
Further, the attitude angle sensor 10 is set by an upper computer alarm, the normal state port of the attitude angle sensor is output to be a low level (0V), when the inclination angle is larger than 8 degrees, the corresponding port outputs a high level (3.3V) to the PCB, the PCB transmits the warning signal to the wireless signal transmitting device through the cable, and then the warning signal is transmitted to the data acquisition and analysis terminal through the wireless signal transmitting device.
Further, the wireless signal transmitting device at least comprises a Wi-Fi transmitter.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an overall schematic view of a sediment thickness measuring system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a PCB board according to an embodiment of the present invention;
wherein, the corresponding relations between the reference numbers and the part names in fig. 1 to fig. 2 are as follows:
1-sediment thickness measuring probe, 2-cable, 3-rack, 4-cable disc, 5-wireless signal transmitting device, 6-data acquisition and analysis terminal, 7-acquisition circuit containing bin, 8-sampling line, 9-PCB, 10-attitude angle sensor and 11-sediment to be measured.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
As shown in fig. 1, the sediment thickness measuring system is provided with a sediment thickness measuring probe 1, a cable 2, a rack 3, a cable tray 4 and a data acquisition and analysis terminal 6; the middle part of the sediment thickness measuring probe 1 is provided with an acquisition circuit containing bin 7, and the acquisition circuit containing bin 7 is provided with a sampling line 8 and a PCB 9; as shown in fig. 2, an attitude angle sensor 10 is arranged on the PCB 9; the cable reel 4 is provided with a wireless signal transmitting device 5, and the wireless signal transmitting device 5 transmits the data transmitted by the cable 2 to the data acquisition and analysis terminal 6 through a wireless signal; and the display screen of the data acquisition and analysis terminal 6 displays the data transmitted by the wireless signal transmitting device 5, and automatically warns when the sediment thickness measuring probe 1 detects that the inclination angle in the sediment 11 to be measured is greater than a specified angle.
Further, the PCB 9 is vertically arranged in the collecting circuit containing bin 7 and fixed by a mechanical supporting method, and a parallelism measuring instrument is used for ensuring that the PCB 9 and the sediment thickness measuring probe 1 are arranged in parallel during fixing.
Further, the attitude angle sensor 10 is vertically inserted into the PCB 9 and fixed by a pin soldering method, so that the attitude angle sensor 10 does not move relative to the PCB 9. (ii) a
An implementation method for realizing automatic early warning of an inclination angle by a sediment thickness measurement system comprises the following steps:
s1: establishing wireless connection between the wireless signal transmitting device 5 and the data acquisition and analysis terminal 6, and enabling an early warning system in the data acquisition and analysis terminal 6 to enter a normal working state after the wireless signal transmitting device 5 is successfully connected with the data acquisition and analysis terminal 6;
s2: selecting a measuring point position above a pile foundation hole to be measured, lifting the sediment thickness measuring probe 1 to a height specified by a standard by the cable tray 4, and vertically downwards probing the sediment thickness measuring probe 1 to sediment 11 to be measured in the pile foundation hole;
the attitude angle sensor 10 reads the inclination angle and then transmits the data to the PCB, and the PCB 9 transmits the sediment thickness measurement data and the inclination angle data acquired by the sediment thickness measurement probe to the wireless signal transmitting device 5 through the cable 2;
s3: the data acquisition and analysis terminal 6 records and displays the data transmitted by the wireless signal transmitting device 5;
the data acquisition and analysis terminal 6 displays the data transmitted by the wireless signal transmitting device 5, the data changes in real time along with the measurement progress, the inclination angle of the sediment thickness measurement probe 1 extending into the sediment 11 to be measured is monitored in real time, and the early warning system automatically warns when the inclination angle is larger than a specified angle;
s4: after the data acquisition and analysis terminal 6 sends out an early warning, an alarm lamp on the interface of the data acquisition and analysis terminal 6 is controlled to flash and whistle, and a technician immediately readjusts the sediment thickness measuring probe 1 through the cable disc 4 after receiving the early warning;
the purposes of automatic early warning of the early warning system and wireless real-time transmission of measurement data when the inclination angle is larger than the specified angle are achieved.
The utility model provides a pair of sediment thickness measurement system, through combining together of signal wireless transmission and gesture angle sensor technique, visit automatic early warning and the wireless real-time transmission visual display of measured data when the sediment angle of inclination that awaits measuring is greater than the regulation angle under to sediment thickness measurement probe.
The utility model discloses visual display, automatic early warning can improve and measure the precision, reduce the invalid operation of personnel, reduce the recruitment cost.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (2)
1. A sediment thickness measuring system is characterized by comprising a sediment thickness measuring probe, a cable, a rack, a cable tray and a data acquisition and analysis terminal; the middle part of the sediment thickness measuring probe is provided with an acquisition circuit containing bin, the acquisition circuit containing bin is internally provided with a sampling line and a PCB, and the PCB is provided with an attitude angle sensor; the acquisition circuit containing bin and the cable tray transmit data through the cable, a wireless signal transmitting device is arranged on the cable tray, and the wireless signal transmitting device transmits the data transmitted by the cable to the data acquisition and analysis terminal through a wireless signal; the wireless signal transmitting device at least comprises a Wi-Fi transmitter; the data acquisition and analysis terminal is provided with a display screen for displaying the data transmitted by the wireless signal transmitting device and an early warning system for automatically early warning when the inclination angle is larger than a specified angle.
2. The sediment thickness measuring system of claim 1, wherein the PCB is vertically arranged in the collecting circuit containing bin, the attitude angle sensor is vertically inserted into the PCB, and the attitude angle sensor is provided with an upper computer alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020664086.9U CN212179856U (en) | 2020-04-27 | 2020-04-27 | Sediment thickness measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020664086.9U CN212179856U (en) | 2020-04-27 | 2020-04-27 | Sediment thickness measurement system |
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| CN212179856U true CN212179856U (en) | 2020-12-18 |
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| CN202020664086.9U Active CN212179856U (en) | 2020-04-27 | 2020-04-27 | Sediment thickness measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186929A (en) * | 2021-04-15 | 2021-07-30 | 山东大学 | Cast-in-place pile concrete top surface elevation control device and method |
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2020
- 2020-04-27 CN CN202020664086.9U patent/CN212179856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113186929A (en) * | 2021-04-15 | 2021-07-30 | 山东大学 | Cast-in-place pile concrete top surface elevation control device and method |
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