CN204536323U - A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor - Google Patents
A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor Download PDFInfo
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- CN204536323U CN204536323U CN201520249533.3U CN201520249533U CN204536323U CN 204536323 U CN204536323 U CN 204536323U CN 201520249533 U CN201520249533 U CN 201520249533U CN 204536323 U CN204536323 U CN 204536323U
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Abstract
Based on a soil suction value on-site wireless measuring system for Temperature Humidity Sensor, comprise measuring sonde, wireless transport module, data processing terminal.The shell of described measuring sonde is assembled formed by main body tube, package tube, Taper Pipe, Temperature Humidity Sensor, power module, control circuit board and wireless sending module is provided with in the shell of measuring sonde, wireless transport module receives the data-signal that wireless sending module sends, wireless transport module connection data processing terminal, described data processing terminal is used for showing measurement data and processing.A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor of the utility model, this system can temperature and humidity in the outdoor soil body of Real-time Collection, and receiving terminal image data be sent to by wireless base station apparatus in laboratory, and then measure the suction value in soil.
Description
Technical field
A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor of the utility model, relates to the on-the-spot test field of unsaturated soil soil-water characteristic curve, belongs to Geotechnical Engineering field.
Background technology
Soil-water characteristic curve (SWCC) is the important curve describing relation between soil body suction and water cut in unsaturated soils theory.The character such as unsaturation soil suction situation, shearing strength and perviousness can be understood directly or indirectly by soil-water characteristic curve.At present, the method measuring soil-water characteristic curve mainly contains the methods such as tensiometer method, temple instrument method, volumetric pressure plate method, filter paper method, salt solustion mehtod and humidity sensor method.In these methods, humidity sensor method has the advantages such as suction measurement scope is large, the test duration is shorter.The party's ratio juris is the relative humidity being recorded the soil body by humidity sensor, then calculates the suction under environment temperature in the soil body according to Kelvin equation.
The concrete steps of conventional humidity sensor method are: record the rating curve between the relative humidity in environment residing for sensor resistance (or voltage, electric capacity) and sensor first in the lab, then by humidity sensor landfill in the soil body, with wire data collector is connected with humidity sensor and the electrical signal fed back of pick-up transducers, by rating curve and Kelvin equation, the suction value in the soil body calculated after signal stabilization.Due to the signal fed back in order to Real-time Collection humidity sensor, often need data collector and sensor to couple together, and in order to obtain the data in data collector, data collector also needs to connect with computer.This situation makes humidity sensor method be limited in the lab, and the manpower and materials that needs are larger when needing in-site measurement soil suction maintain.The current sensor for measuring soil body suction value is often paid attention to gather humidity simultaneously, and therefore the temperature of the soil body also needs extra equipment to measure.
Utility model content
The drawback of soil suction value is measured at the scene in order to overcome above-mentioned humidity sensor method, the utility model provides a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor, this system can temperature and humidity in the outdoor soil body of Real-time Collection, and receiving terminal image data be sent to by wireless base station apparatus in laboratory, and then measure the suction value in soil.
The technical scheme that the utility model is taked is:
Based on a soil suction value on-site wireless measuring system for Temperature Humidity Sensor, comprise measuring sonde, wireless transport module, data processing terminal.The shell of described measuring sonde is assembled formed by main body tube, package tube, Taper Pipe, Temperature Humidity Sensor, power module, control circuit board and wireless sending module is provided with in the shell of measuring sonde, wireless transport module receives the data-signal that wireless sending module sends, wireless transport module connection data processing terminal, described data processing terminal is used for showing measurement data and processing.
Described main body tube one end is provided with the gland bonnet of band circular hole, and the main body tube other end is connected with package tube one end, and the package tube other end is connected with Taper Pipe.
The external diameter of described package tube is less than or equal to the internal diameter of main body tube, Taper Pipe, and package tube pipe shaft is provided with aperture, and the two ends of package tube are provided with gland bonnet, and certain distance in main body tube, Taper Pipe is inserted at package tube two ends respectively.
Described Temperature Humidity Sensor is encapsulated in package tube; Power module, control circuit board and wireless sending module are encapsulated in main body tube; Wherein the antenna of wireless sending module stretches out the housing exterior of measuring sonde through the circular hole of gland bonnet.
Described main body tube, package tube, Taper Pipe are cohered by glue successively.
Described main body tube, package tube, Taper Pipe are pvc pipe.
Described data processing terminal comprises one-chip computer module, PC, and wireless transport module connects one-chip computer module, and one-chip computer module connects PC by USB data line.
A kind of soil suction value on-site wireless measuring method based on Temperature Humidity Sensor, measuring sonde inserts in the soil body as the carrier of Temperature Humidity Sensor, wireless sending module, real-time measurement soil suction, the signal that Temperature Humidity Sensor records is by wireless sending module and the collected one-chip computer module of wireless transport module, the digital signal collected processes by one-chip computer module, and the suction value obtained after treatment and warm and humid angle value is shown eventually through PC.
Based on a soil suction value on-site wireless measuring system for Temperature Humidity Sensor, the on-site wireless for field soil suction value is measured.
A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor of the utility model, technique effect is as follows:
1), structure is simple, and cost of manufacture is low, uses simple and convenient, and suction measurement scope is large and Measuring Time is short.Parts in suction measurement system are all the materials commercially easily bought, and device makes with assembling simple, and the probing shell of PVC material is that power module, Temperature Humidity Sensor, wireless transport module and wireless sending module provide protection.
2), power module, electric control circuit plate and wireless transport module be encapsulated in the airtight chamber of main body tube, avoids the erosion of soil water vapour.
3), the use of wireless transport module decreases the trouble of wiring, makes researchist's just data of recording of observable scene in the lab; Wireless transport module can receive the signal that multiple wireless sending module sends simultaneously simultaneously, therefore by a set of wireless transport module, can observe the test case of multiple point simultaneously, significantly increase the dirigibility of test.And in data processing terminal, PC makes Data Processing in Experiment robotization more, the function of data whole-process automatic record decreases operation and the issuable error thereupon of testing crew.
Accompanying drawing explanation
Fig. 1 is measuring sonde structural representation of the present utility model;
Fig. 2 is the sectional view of measuring sonde of the present utility model;
Fig. 3 is Temperature Humidity Sensor package tube structural representation in measuring sonde of the present utility model.
Fig. 4 is data receiver of the present utility model and end for process device connection diagram.
Embodiment
As shown in Fig. 1 ~ Fig. 4, a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor, comprises measuring sonde, wireless transport module 12, data processing terminal.The shell of described measuring sonde is assembled formed by main body tube 1, package tube 2, Taper Pipe 3, Temperature Humidity Sensor 5, power module 7, control circuit board 8 and wireless sending module 9 is provided with in the shell of measuring sonde, wireless transport module 12 receives the data-signal that wireless sending module 9 sends, wireless transport module 12 connection data processing terminal, described data processing terminal is used for showing measurement data and processing.
The external diameter of described package tube 2 is less than or equal to the internal diameter of main body tube 1, Taper Pipe 3, and package tube 2 pipe shaft is provided with aperture 4, and the two ends of package tube 2 are provided with gland bonnet, and certain distance in main body tube 1, Taper Pipe 3 is inserted at package tube 2 two ends respectively.
Described Temperature Humidity Sensor 5 is encapsulated in package tube 2; Power module 7, control circuit board 8 and wireless sending module 9 are encapsulated in main body tube 1; Wherein the antenna of wireless sending module 9 stretches out the housing exterior of measuring sonde through the circular hole of gland bonnet 11.Described data processing terminal comprises one-chip computer module 13, PC 14, and wireless transport module 12 connects one-chip computer module 13, and one-chip computer module 13 connects PC 14 by USB data line 15.
Embodiment:
The material of main body tube 1 is pvc pipe, length accounts for 2/3rds of whole measuring sonde length, one end of main body tube 1 is by rubber blanket by glue sealing (have in rubber blanket antenna that circular hole is convenient to wireless sending module 9 through), and main body tube 1 other end is combined with the package tube 2 of Temperature Humidity Sensor 5.The material of package tube 2 is pvc pipe, and glue sealing is passed through by rubber blanket in the two ends of package tube 2, and inserts respectively in main body tube 1 and Taper Pipe 3, any two pipe contact portion glue adhesions, joint glue sealing.
The external diameter of package tube 2 is slightly less than or equals the internal diameter of main body tube 1, Taper Pipe 3, and object prevents this section tubular wall from contacting with the soil body, and package tube 2 tube wall is provided with aperture, and the steam in the soil body can be allowed to enter in pipe.The material of Taper Pipe 3 is PVC material, and top is provided with cone angle, and because suction measurement probe pipe shaft is comparatively thin, measuring sonde can directly utilize the cone angle at top inserted by probe or hammer in soil.
As shown in Figure 2 and Figure 3, wherein Temperature Humidity Sensor 5, power module 7 and wireless sending module 9 glue is fixed among main body tube 1, the position of wireless sending module 9 is near the rubber blanket of pipe end, and the antenna on wireless sending module 9 is through hole reserved on the gland bonnet 11 of rubber blanket formation, reaches the outer signal of being convenient to of pipe and send.The position of control circuit board 8 is fixed on the middle part of main body tube 1, and be convenient to the various model calling with pvc pipe two ends, power module 7 is fixed on the neighbouring position of control circuit board 8.Because soil body suction measured by needs, Temperature Humidity Sensor 5 is encapsulated in package tube 2, and this pipe end upper and lower side is all sealed, and pipe shaft has opened several row's aperture 4, makes this pipeline section and surrounding soil form a closed environment.In measuring sonde, power module 7 and control circuit board 8, Temperature Humidity Sensor 5 are with control circuit board 8, be all connected with Du Pont's line 10 between wireless sending module 9 with control circuit board 8.
As shown in Figure 1, after above-mentioned suction measurement module package is good, assembled by measuring sonde complete, firmly inserted by measuring sonde during use or hammer in soil, insertion depth depends on the circumstances, and in can all not burying, also can reserve a part of pipe shaft and basset.
As Figure 1 and Figure 4, measuring sonde inserts in on-the-spot soil to be measured and carries out suction measurement, and now the data-signal that records of Temperature Humidity Sensor 5, is processed by data processing terminal, finally obtain suction value.
Temperature Humidity Sensor 5 is SHT10 digital temperature-humidity sensor.
Power module 7 is 3V button cell.
Wireless sending module 9 is APC300 type wireless senser sending module.Wireless transport module 12 is APC250S type wireless senser receiver module, can receive the data-signal that multiple APC300 type wireless senser sending module sends simultaneously.
Single-chip microcomputer 13 is AVR single chip.
Data transmission is roughly as follows with the process of process as shown in Figure 4: after the power module 7 in measuring sonde starts to power, Temperature Humidity Sensor 5 is started working and will be reacted the digital signal transfers of soil body humiture to APC300 type wireless senser sending module, this module maximum transmission distance can reach 700 meters, wireless transport module 12 within the on-the-spot 700 meters of scopes of now range observation receives the digital signal that APC300 sends, and pass the signal along in the AVR single chip be attached thereto and process, wireless transport module 12 can receive the signal that multiple APC300 wireless senser sending module sends simultaneously, multimetering can be realized based on this to observe simultaneously.Digital signal is converted to corresponding temperature value, rh value by AVR single chip, is finally converted into soil body suction value according to Kelvin equation.For the ease of observation, AVR single chip is connected with PC 14 by USB data line 15, the temperature value of multiple test point, rh value and suction value is all presented on PC 14 interface, and real time record is carried out to surveyed data.
Claims (7)
1. the soil suction value on-site wireless measuring system based on Temperature Humidity Sensor, comprise measuring sonde, wireless transport module (12), data processing terminal, it is characterized in that, the shell of described measuring sonde is by main body tube (1), package tube (2), Taper Pipe (3) assembling is formed, Temperature Humidity Sensor (5) is provided with in the shell of measuring sonde, power module (7), control circuit board (8) and wireless sending module (9), wireless transport module (12) receives the data-signal that wireless sending module (9) sends, wireless transport module (12) connection data processing terminal, described data processing terminal is used for showing measurement data and processing.
2. a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor according to claim 1, it is characterized in that, described main body tube (1) one end is provided with the gland bonnet (11) of band circular hole, main body tube (1) other end is connected with package tube (2) one end, and package tube (2) other end is connected with Taper Pipe (3).
3. a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor according to claim 1 or 2, it is characterized in that, the external diameter of described package tube (2) is less than or equal to the internal diameter of main body tube (1), Taper Pipe (3), package tube (2) pipe shaft is provided with aperture (4), the two ends of package tube (2) are provided with gland bonnet, and certain distance in main body tube (1), Taper Pipe (3) is inserted at package tube (2) two ends respectively.
4. a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor according to claim 1, it is characterized in that, described Temperature Humidity Sensor (5) is encapsulated in package tube (2); Power module (7), control circuit board (8) and wireless sending module (9) are encapsulated in main body tube (1); Wherein the antenna of wireless sending module (9) stretches out the housing exterior of measuring sonde through the circular hole of gland bonnet (11).
5. a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor according to claim 1, is characterized in that, described main body tube (1), package tube (2), Taper Pipe (3) are cohered by glue (6) successively.
6. a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor according to claim 1 or 5, it is characterized in that, described main body tube (1), package tube (2), Taper Pipe (3) are pvc pipe.
7. a kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor according to claim 1, it is characterized in that, described data processing terminal comprises one-chip computer module (13), PC (14), wireless transport module (12) connects one-chip computer module (13), and one-chip computer module (13) connects PC (14) by USB data line (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249533.3U CN204536323U (en) | 2015-04-22 | 2015-04-22 | A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520249533.3U CN204536323U (en) | 2015-04-22 | 2015-04-22 | A kind of soil suction value on-site wireless measuring system based on Temperature Humidity Sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792969A (en) * | 2015-04-22 | 2015-07-22 | 三峡大学 | Temperature/humidity sensor-based in-situ wireless soil suction value measurement system |
| CN105319336A (en) * | 2015-10-27 | 2016-02-10 | 哈尔滨朋来科技开发有限公司 | Portable wireless soil PH value monitoring device |
| CN106353203A (en) * | 2016-10-13 | 2017-01-25 | 武汉大学 | Visual self-sensing detector for real-time monitoring of soil mass performance |
| CN106500760A (en) * | 2016-10-11 | 2017-03-15 | 钟山佳园生态农业有限公司 | A kind of mulch film environment monitoring device |
-
2015
- 2015-04-22 CN CN201520249533.3U patent/CN204536323U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792969A (en) * | 2015-04-22 | 2015-07-22 | 三峡大学 | Temperature/humidity sensor-based in-situ wireless soil suction value measurement system |
| CN105319336A (en) * | 2015-10-27 | 2016-02-10 | 哈尔滨朋来科技开发有限公司 | Portable wireless soil PH value monitoring device |
| CN106500760A (en) * | 2016-10-11 | 2017-03-15 | 钟山佳园生态农业有限公司 | A kind of mulch film environment monitoring device |
| CN106353203A (en) * | 2016-10-13 | 2017-01-25 | 武汉大学 | Visual self-sensing detector for real-time monitoring of soil mass performance |
| CN106353203B (en) * | 2016-10-13 | 2019-05-10 | 武汉大学 | A kind of visualization of soil capability real-time monitoring is from perceiving detector |
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Granted publication date: 20150805 Termination date: 20160422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |