CN103217373A - Light-controlled pressurized rapid permeability test device - Google Patents

Light-controlled pressurized rapid permeability test device Download PDF

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Publication number
CN103217373A
CN103217373A CN2013101811019A CN201310181101A CN103217373A CN 103217373 A CN103217373 A CN 103217373A CN 2013101811019 A CN2013101811019 A CN 2013101811019A CN 201310181101 A CN201310181101 A CN 201310181101A CN 103217373 A CN103217373 A CN 103217373A
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China
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way valve
water level
level pipe
soil sample
loads
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CN2013101811019A
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Chinese (zh)
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CN103217373B (en
Inventor
刘银宝
杨熙章
王多平
施广焕
蒋燕
郎权德
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上海市城市建设设计研究总院
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Publication of CN103217373A publication Critical patent/CN103217373A/en
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Publication of CN103217373B publication Critical patent/CN103217373B/en

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Abstract

The invention discloses a light-controlled pressurized rapid permeability test device comprising a duplex single-pipe permeameter for simultaneously carrying out a pressurized rapid permeability test on two soil samples, a wireless signal transmitter, a wireless signal receiver and a computer for processing wireless signals, wherein the duplex single-pipe permeameter comprises a water supply tank, a first pressure source, a first precise pressure regulating meter, a first switching three-way valve, a first water level pipe, a first photoelectric signal sensor, a first water inlet and permeation switching three-way valve, a first loading two-way valve, a first osmotic pressure container, a second pressure source, a second precise pressure regulating meter, a second water level pipe, a second photoelectric signal sensor, a second water inlet and permeation switching three-way valve, a second loading two-way valve and a second osmotic pressure container. The device disclosed by the invention has the advantages of greatly shortening the test time period, reducing the test error, reducing the communication technical cost, reducing the workload of hardware setting, eliminating the interference and the error of a communication network and improving the data transmission efficiency.

Description

Light-operated pressurization rapid osmotic test unit
Technical field
The present invention relates to the soil test technique field, relate in particular to a kind of light-operated pressurization rapid osmotic test unit.
Background technology
Along with the continuous development of national economy, the development and utilization of China's underground space is more and more paid attention to by people, so the test request of the parameters of the application technology of civil construction and Geotechnical Engineering and soil test is more and more higher.Permeability test is to provide the infiltration coefficient important indicator for calculating each soil layer and each soil nature, particularly calculates the sedimentation of buildings, the seepage flow of deep pit digging, the seepage of earth dam embankment and piping etc.
Present domestic soil mechanics laboratory, no matter Bian surveys instrument company with Beijing China, or the soil instrument plant in Nanjing, or the geotechnological instrument and equipment of robotization that provides of market, all adopt the wired serial ports of s485 or s232.A testing laboratory generally has many permeameters in actual applications, such as Tianjin designing institute more than 100 permeameter is arranged, if adopt the then on-the-spot installation wiring of existing mode, use and follow-up maintenance all can bother very much, material, cost of labor are all higher.Because the performance of RS485 own is limit, many more communication distances of equipment and reliability all can descend thereupon.
In addition, as everybody knows, permeability test is to provide the infiltration coefficient important indicator for calculating each soil layer and each soil nature, particularly calculates the sedimentation of buildings, the seepage flow of deep pit digging, the seepage of earth dam embankment and piping etc.And each tested number is big, and the time is longer.
Therefore, those skilled in the art is devoted to develop and a kind ofly can shortens the test period cycle greatly, reduces test error, reduces communication technology cost, reduces the workload of hardware setting, get rid of the interference of communication network and make mistakes the light-operated pressurization rapid osmotic test unit of raising data transmission efficiency.
Summary of the invention
Because the above-mentioned deficiency of prior art, the present invention proposes a kind ofly can to shorten the test period cycle greatly, reduce test error, reduce communication technology cost, reduce the workload of hardware setting, get rid of the interference of communication network and make mistakes the light-operated pressurization rapid osmotic test unit of raising data transmission efficiency.
For achieving the above object, the invention provides a kind of light-operated pressurization rapid osmotic test unit, comprise be used for simultaneously to two parts of soil samples pressurize the rapid osmotic test duplex single tube permeameter, be used for the water level information on the described duplex single tube of the wireless transmission permeameter radio signal senders, be used to the computing machine that receives the wireless signal receiver of wireless signal and be used for described wireless signal is handled.
Described duplex single tube permeameter comprises that supply tank, first pressure source, the first accurate voltage regulating table, first switch three-way valve, first water level pipe, first photoelectric signal sensor, first water inlet load two-way valve, the first osmotic pressure container, second pressure source, the second accurate voltage regulating table, second water level pipe with infiltration switch three-way valve, first, second photoelectric signal sensor, second is intake and infiltration switch three-way valve, second loads the two-way valve and the second osmotic pressure container.
Described first pressure source is connected on described first switch three-way valve by output channel, the described first accurate voltage regulating table is arranged on the described output channel, one output valve port of described first switch three-way valve connects described first water level pipe and second water level pipe, another output valve port is connected on the described supply tank, described supply tank is provided with water supply line, described water supply line is connected with the described first osmotic pressure container with described first water level pipe with the infiltration switch three-way valve by first water inlet, and described water supply line is connected with the described second osmotic pressure container with described second water level pipe with the infiltration switch three-way valve by second water inlet.
Described second pressure source connects described first respectively by output channel and loads two-way valve and the described second loading two-way valve, described first loads two-way valve is connected in the described first osmotic pressure container, described second loads two-way valve is connected in the described second osmotic pressure container, and the described second accurate voltage regulating table is arranged on the described output channel.
Described first photoelectric signal sensor is arranged on described first water level pipe, be used to detect the water level information in described first water level pipe, described second photoelectric signal sensor is arranged on described second water level pipe, be used to detect the water level information in described second water level pipe, described first photoelectric signal sensor is connected with described radio signal senders signal with described second photoelectric signal sensor, described radio signal senders is connected with described wireless signal receiver signal, and described wireless signal receiver is connected with described Computer signal.
Further improve as the present invention, the described first osmotic pressure container comprises that the soil sample that has air intake opening loads the unity cylinder, the container base that has water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on the described container base, described upper cap slip is embedded the upper port place at described soil sample cutting ring, described soil sample cutting ring and described container base and described going up between the cap are connected and sealed by air locking respectively, described soil sample loads the below that the unity cylinder is arranged on described container base, be used for the described container base of jacking, described air intake opening and described first loads two-way valve and is connected, and described water inlet is connected with the infiltration switch three-way valve with described first water inlet.
Further improve as the present invention, the described second osmotic pressure container comprises that the soil sample that has air intake opening loads the unity cylinder, the container base that has water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on the described container base, described upper cap slip is embedded the upper port place at described soil sample cutting ring, described soil sample cutting ring and described container base and described going up between the cap are connected and sealed by air locking respectively, described soil sample loads the below that the unity cylinder is arranged on described container base, be used for the described container base of jacking, described air intake opening and described second loads two-way valve and is connected, and described water inlet is connected with the infiltration switch three-way valve with described second water inlet.
Further improve as the present invention, the described first accurate voltage regulating table is provided with an air pressure precision pressure gauge.
Further improve as the present invention, the described second accurate voltage regulating table is provided with an air pressure precision pressure gauge.
Further improve as the present invention, the upper surface conducting of described first water level pipe and described second water level pipe is provided with an air inlet three-way connection, and described first pressure source connects the air inlet three-way connection by an output valve port of described first switch three-way valve.
Further improve as the present invention, described radio signal senders is provided with signal amplifier, A/D converter and digital filter.
Light-operated pressurization rapid osmotic test unit beneficial effect of the present invention is as follows:
1. adopt described duplex single tube permeameter to test many parts of soil samples simultaneously, simultaneously in process of the test, can improve seepage water pressure and soil sample pressure by pressure source, according to permeability test principle (Darcy's law), water table gradient and time of penetration are inverse relation, as seen the present invention is by improving the method for seepage water pressure, can realize shortening the permeability test time, shorten the test period cycle greatly.
2. the present invention can load the unity cylinder by described soil sample and applies corresponding consolidation pressure according to the soil sample degree of depth difference that fetches earth, and the simulated field actual conditions reduce test error more realistically.
3. the present invention introduces wireless communication technology, realized need not to have again cable to connect between each instrument, even each instrument and computing machine need not necessarily to be placed on a room, even if also can the normal transmission data at chummery not, the problems referred to above have been solved effectively, realized reducing the workload of communication technology cost, minimizing hardware setting, got rid of the interference of communication network and made mistakes the goal of the invention of raising data transmission efficiency.
Be described further below with reference to the technique effect of accompanying drawing, to understand purpose of the present invention, feature and effect fully design of the present invention, concrete structure and generation.
Description of drawings
Fig. 1 is the light-operated pressurization rapid osmotic test unit front view of this specific embodiment.
Fig. 2 is the composition module diagram of the data acquisition unit of this specific embodiment.
Fig. 3 is the composition module diagram of the receiving processing system of this specific embodiment.
Embodiment
Fig. 1 is the light-operated pressurization rapid osmotic test unit front view of this specific embodiment.As shown in Figure 1, present embodiment proposes a kind of light-operated pressurization rapid osmotic test unit, comprise be used for simultaneously to two parts of soil samples pressurize the rapid osmotic test duplex single tube permeameter 1, be used for the water level information on the described duplex single tube of the wireless transmission permeameter radio signal senders 2, be used to the computing machine 4 that receives the wireless signal receiver 3 of wireless signal and be used for described wireless signal is handled.
Duplex single tube permeameter 1 comprises supply tank 101, first pressure source 102, the first accurate voltage regulating table 103, first switch three-way valve 104, first water level pipe 105, first photoelectric signal sensor 106, first water inlet and infiltration switch three-way valve 107, first loads two-way valve 108, the first osmotic pressure container 109, second pressure source 110, the second accurate voltage regulating table 111, second water level pipe 112, second photoelectric signal sensor 113, second water inlet and infiltration switch three-way valve 114, second loads the two-way valve 115 and the second osmotic pressure container 116.
First pressure source 102 is connected on first switch three-way valve 104 by output channel, the first accurate voltage regulating table 103 is arranged on the described output channel, one output valve port of first switch three-way valve 104 connects first water level pipe 105 and second water level pipe 112 simultaneously, another output valve port is connected on the supply tank 101, supply tank 101 is provided with water supply line, described water supply line is connected with the first osmotic pressure container 109 with first water level pipe 105 with infiltration switch three-way valve 107 simultaneously by first water inlet, and described water supply line is connected with the second osmotic pressure container 116 with second water level pipe 112 with infiltration switch three-way valve 114 simultaneously by second water inlet.
Second pressure source 110 connects first respectively by output channel and loads the two-way valve 108 and the second loading two-way valve 115, first loads two-way valve 108 is connected in the first osmotic pressure container 109, second loads two-way valve 115 is connected in the second osmotic pressure container 116, and the second accurate voltage regulating table 111 is arranged on the described output channel.
First photoelectric signal sensor 106 is arranged on first water level pipe 105, be used to detect the water level information in first water level pipe 105, second photoelectric signal sensor 113 is arranged on second water level pipe 112, be used to detect the water level information in second water level pipe 112, first photoelectric signal sensor 106 is connected with radio signal senders 2 signals with second photoelectric signal sensor 113, radio signal senders 2 is connected with wireless signal receiver 3 signals, and wireless signal receiver 3 is connected with computing machine 4 signals.
Concrete, as shown in Figure 1, the first osmotic pressure container 109 is identical with the second osmotic pressure container, 116 structures, include the soil sample that has air intake opening and load unity cylinder 117, the container base 118 that has water inlet, soil sample cutting ring 119 and upper cap 120,119 sealings of soil sample cutting ring are arranged on the container base 118, upper cap 120 slips are embedded the upper port place at soil sample cutting ring 119, be connected and sealed by air locking respectively between soil sample cutting ring 119 and container base 118 and the last cap 120, soil sample loads the below that unity cylinder 117 is arranged on container base 118, is used for jacking container base 118.Wherein, the air intake opening of the described first osmotic pressure container 109 loads two-way valve 108 corresponding connections with first, and the water inlet of the first osmotic pressure container 109 is connected with infiltration switch three-way valve 107 with first water inlet.The air intake opening of the second osmotic pressure container 116 loads two-way valve 115 corresponding connections with second, and the water inlet of the second osmotic pressure container 116 is connected with infiltration switch three-way valve 114 with second water inlet.
Exemplary, respectively be provided with an air pressure precision pressure gauge 121 on the first accurate voltage regulating table 103 and the second accurate voltage regulating table 111.The upper surface conducting of first water level pipe 105 and second water level pipe 112 is provided with an air inlet three-way connection 122, first pressure source 102 connects air inlet three-way connection 122 by an output valve port of first switch three-way valve 104, is first water level pipe 105 and 112 pressurizations of second water level pipe simultaneously.In addition, on described radio signal senders, also be provided with signal amplifier, A/D converter and digital filter.Above-mentioned each parts all can adopt outsourcing piece commonly used, repeat no more herein.
As the further embodiment of present embodiment, first pressure source and second pressure source can be selected air compressor or gas-holder for use, also can add parts such as reduction valve and carbonated drink filtrator simultaneously.Can also add up and down parts such as porous disc in the first osmotic pressure container and the second osmotic pressure container.As shown in Figure 2, also can be set to a data collector with described signal amplifier, A/D converter, digital filter, probe power and radio signal senders are integrated.As shown in Figure 3, on computers can a built-in receiving processing system, comprise that wireless signal receiver, trial module, data processing keep module, historical data to check module and generate form reporting modules etc.First photoelectric signal sensor 106 and second photoelectric signal sensor 113 transfer signals in the data acquisition unit by wired or wireless mode, data acquisition unit, is handled the described receiving processing system that relevant information is input in the computing machine 4 in described wireless signal receiver 3 by radio signal senders 2 transmission of wireless signals.
Exemplary, the concrete application of the light-operated pressurization rapid osmotic test unit of present embodiment is as follows:
1. at first soil sample is placed on the container base 118 of the first osmotic pressure container 109 of duplex single tube permeameter 1 and the second osmotic pressure container 116, covers upper cap 120 then, soil sample is enclosed in the soil sample cutting ring 119.
2. apply corresponding consolidation pressure according to the soil sample degree of depth that fetches earth, promptly start second pressure source 110 and control the first loading two-way valve 108 and the second loading two-way valve 115 simultaneously, realize that soil sample loads unity cylinder 117 jacking container bases 118 and rises gradually, upper cap 120 holding positions are constant, volume in the soil sample cutting ring 119 reduces gradually, the suffered pressure of built-in soil sample rises gradually, realizes simulated field actual conditions more true to nature, effectively reduces test error.
3. after arriving predetermined soil sample force value, again the infiltration water correspondence in first water level pipe 105 and second water level pipe 112 is conducting in the first osmotic pressure container 109 and the second osmotic pressure container 116, the infiltration water that also will start simultaneously in 102 pairs first water level pipes 105 of first pressure source and second water level pipe 112 pressurizes, improve its seepage pressure, further shorten the permeability test time cycle.
4. after infiltration water enters soil sample, first water level pipe 105 and second water level pipe 112 height of water separately will reflect the information of amount of seepages in the first osmotic pressure container 109 and the second osmotic pressure container 116 real-time dynamicly, first photoelectric signal sensor 106 and second photoelectric signal sensor 113 with the amount of seepage information obtained by radio signal senders 2 and wireless signal receiver 3 can dynamic real-time information transmission is carried out data processing to computing machine 4.
Supplementary notes: during water shortage in first water level pipe 105 and/or second water level pipe 112, can carry out moisturizing to first water level pipe 105 and/or second water level pipe 112 by the first corresponding water inlet and infiltration switch three-way valve 107 and/or second water inlet and infiltration switch three-way valve 114 conducting supply tanks 101.Wherein first pressure source 102 also optionally is supply tank 101 pressurizations by first switch three-way valve 104, realizes quick water outlet.Supply tank 101 also optionally is that first osmotic pressure container 109 and second osmotic pressure container 116 directly carry infiltration water with the infiltration switch three-way valve 107 and second water inlet with infiltration switch three-way valve 114 by first water inlet.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all technician in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (7)

1. light-operated pressurization rapid osmotic test unit is characterized in that:
Comprise be used for simultaneously to two parts of soil samples pressurize the rapid osmotic test duplex single tube permeameter, be used for the water level information on the described duplex single tube of the wireless transmission permeameter radio signal senders, be used to the computing machine that receives the wireless signal receiver of wireless signal and be used for described wireless signal is handled;
Described duplex single tube permeameter comprises that supply tank, first pressure source, the first accurate voltage regulating table, first switch three-way valve, first water level pipe, first photoelectric signal sensor, first water inlet load two-way valve, the first osmotic pressure container, second pressure source, the second accurate voltage regulating table, second water level pipe with infiltration switch three-way valve, first, second photoelectric signal sensor, second is intake and infiltration switch three-way valve, second loads the two-way valve and the second osmotic pressure container;
Described first pressure source is connected on described first switch three-way valve by output channel, the described first accurate voltage regulating table is arranged on the described output channel, one output valve port of described first switch three-way valve connects described first water level pipe and second water level pipe, another output valve port is connected on the described supply tank, described supply tank is provided with water supply line, described water supply line is connected with the described first osmotic pressure container with described first water level pipe with the infiltration switch three-way valve by first water inlet, and described water supply line is connected with the described second osmotic pressure container with described second water level pipe with the infiltration switch three-way valve by second water inlet;
Described second pressure source connects described first respectively by output channel and loads two-way valve and the described second loading two-way valve, described first loads two-way valve is connected in the described first osmotic pressure container, described second loads two-way valve is connected in the described second osmotic pressure container, and the described second accurate voltage regulating table is arranged on the described output channel;
Described first photoelectric signal sensor is arranged on described first water level pipe, be used to detect the water level information in described first water level pipe, described second photoelectric signal sensor is arranged on described second water level pipe, be used to detect the water level information in described second water level pipe, described first photoelectric signal sensor is connected with described radio signal senders signal with described second photoelectric signal sensor, described radio signal senders is connected with described wireless signal receiver signal, and described wireless signal receiver is connected with described Computer signal.
2. light-operated pressurization rapid osmotic test unit as claimed in claim 1, it is characterized in that: the described first osmotic pressure container comprises that the soil sample that has air intake opening loads the unity cylinder, the container base that has water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on the described container base, described upper cap slip is embedded the upper port place at described soil sample cutting ring, described soil sample cutting ring and described container base and described going up between the cap are connected and sealed by air locking respectively, described soil sample loads the below that the unity cylinder is arranged on described container base, be used for the described container base of jacking, described air intake opening and described first loads two-way valve and is connected, and described water inlet is connected with the infiltration switch three-way valve with described second water inlet.
3. light-operated pressurization rapid osmotic test unit as claimed in claim 1, it is characterized in that: the described second osmotic pressure container comprises that the soil sample that has air intake opening loads the unity cylinder, the container base that has water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on the described container base, described upper cap slip is embedded the upper port place at described soil sample cutting ring, described soil sample cutting ring and described container base and described going up between the cap are connected and sealed by air locking respectively, described soil sample loads the below that the unity cylinder is arranged on described container base, be used for the described container base of jacking, described air intake opening and described second loads two-way valve and is connected, and described water inlet is connected with the infiltration switch three-way valve with described second water inlet.
4. light-operated pressurization rapid osmotic test unit as claimed in claim 1 is characterized in that: the described first accurate voltage regulating table is provided with an air pressure precision pressure gauge.
5. light-operated pressurization rapid osmotic test unit as claimed in claim 1 is characterized in that: the described second accurate voltage regulating table is provided with an air pressure precision pressure gauge.
6. light-operated pressurization rapid osmotic test unit as claimed in claim 1, it is characterized in that: the upper surface conducting of described first water level pipe and described second water level pipe is provided with an air inlet three-way connection, and described first pressure source connects the air inlet three-way connection by an output valve port of described first switch three-way valve.
7. light-operated pressurization rapid osmotic test unit as claimed in claim 1, it is characterized in that: described radio signal senders is provided with signal amplifier, A/D converter and digital filter.
CN201310181101.9A 2013-05-16 2013-05-16 Light-controlled pressurized rapid permeability test device CN103217373B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103776750A (en) * 2014-03-05 2014-05-07 上海市城市建设设计研究总院 Automatic tester for variable head permeability of soil

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311032A1 (en) * 1993-03-30 1993-10-21 Juergen Dipl Phys Dr Re Punzel Double ring tension infiltration measuring device for determining hydraulic conductivity of soil in field - has infiltration system connected to water supply system and is divided into two separate complete concentric infiltration chambers
JP2007147315A (en) * 2005-11-24 2007-06-14 Chiba Engineering Kk Triaxial consolidation permeability test device and test method
CN101285754A (en) * 2008-05-14 2008-10-15 浙江大学 Integral permeability testing machine for self circulation measuring for perpendicular and horizontal permeability coefficient
CN101788451A (en) * 2010-02-09 2010-07-28 浙江树人大学 Silt anti-permeability strength measuring equipment and method
CN102221391A (en) * 2011-03-23 2011-10-19 上海市城市建设设计研究院 Light controlling device for measuring penetrant level of soil sample
CN203259447U (en) * 2013-05-16 2013-10-30 上海市城市建设设计研究总院 Light-operated pressurized rapid penetration testing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311032A1 (en) * 1993-03-30 1993-10-21 Juergen Dipl Phys Dr Re Punzel Double ring tension infiltration measuring device for determining hydraulic conductivity of soil in field - has infiltration system connected to water supply system and is divided into two separate complete concentric infiltration chambers
JP2007147315A (en) * 2005-11-24 2007-06-14 Chiba Engineering Kk Triaxial consolidation permeability test device and test method
CN101285754A (en) * 2008-05-14 2008-10-15 浙江大学 Integral permeability testing machine for self circulation measuring for perpendicular and horizontal permeability coefficient
CN101788451A (en) * 2010-02-09 2010-07-28 浙江树人大学 Silt anti-permeability strength measuring equipment and method
CN102221391A (en) * 2011-03-23 2011-10-19 上海市城市建设设计研究院 Light controlling device for measuring penetrant level of soil sample
CN203259447U (en) * 2013-05-16 2013-10-30 上海市城市建设设计研究总院 Light-operated pressurized rapid penetration testing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘银宝等: "基于光电技术的渗透试验自动采集系统", 《中国市政工程》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103776750A (en) * 2014-03-05 2014-05-07 上海市城市建设设计研究总院 Automatic tester for variable head permeability of soil

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