CN103217373B - Light-controlled pressurized rapid permeability test device - Google Patents

Light-controlled pressurized rapid permeability test device Download PDF

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Publication number
CN103217373B
CN103217373B CN201310181101.9A CN201310181101A CN103217373B CN 103217373 B CN103217373 B CN 103217373B CN 201310181101 A CN201310181101 A CN 201310181101A CN 103217373 B CN103217373 B CN 103217373B
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way valve
water level
level pipe
soil sample
water inlet
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CN103217373A (en
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刘银宝
杨熙章
王多平
施广焕
蒋燕
郎权德
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Shanghai Urban Construction Design Research Institute Group Co Ltd
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Shanghai Urban Construction Design Research Institute Co ltd
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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 infiltration experiment device
Technical field
The present invention relates to soil test technique field, relate in particular to a kind of light-operated pressurization rapid osmotic test unit.
Background technology
Along with the development of national economy, the development and utilization of China's underground space is more and more valued by the people, and therefore the test request of the application technology of civil construction and Geotechnical Engineering and the parameters of soil test is more and more higher.Permeability test is to provide 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, seepage and the piping etc. of earth dam embankment.
At present domestic soil mechanics laboratory, no matter Beijing Hua Kan instrument company Bian for, 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 there be more than 100 permeameter in Tianjin designing institute, if adopt existing mode on-the-spot wiring, use and the follow-up maintenance of installing all can bother very much, material, cost of labor are all higher.Because the performance of RS485 own is limit, the more communication distances of equipment and reliability all can decline thereupon.
In addition, as everybody knows, permeability test is to provide 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, seepage and the piping etc. of earth dam embankment.And each tested number is large, the time is longer.
Therefore, those skilled in the art is devoted to develop and a kind ofly can greatly shortens the test period cycle, reduces test error, reduces communication technology cost, reduces the workload of hardware setting, get rid of the interference of communication network and make mistakes, improving the light-operated pressurization rapid osmotic test unit of data transmission efficiency.
Summary of the invention
Because the above-mentioned deficiency of prior art, the present invention proposes a kind ofly can greatly to shorten the test period cycle, reduce test error, reduce communication technology cost, reduce the workload of hardware setting, get rid of the interference of communication network and make mistakes, improving the light-operated pressurization rapid osmotic test unit of data transmission efficiency.
For achieving the above object, the invention provides a kind of light-operated pressurization rapid osmotic test unit, comprise for simultaneously to two parts of soil samples pressurize the duplex single tube permeameter of rapid osmotic test, for the radio signal senders of the water level information on duplex single tube permeameter described in wireless transmission, for receiving the wireless signal receiver of wireless signal and the computing machine for described wireless signal is processed.
Described duplex single tube permeameter comprises that supply tank, the first pressure source, the first accurate voltage regulating table, the first switch three-way valve, the first water level pipe, the first photoelectric signal sensor, the first water inlet load two-way valve and the second osmotic pressure container with infiltration switch three-way valve, the first loading two-way valve, the first osmotic pressure container, the second pressure source, the second accurate voltage regulating table, the second water level pipe, the second photoelectric signal sensor, the second water inlet with infiltration switch three-way valve, second.
Described the first pressure source is connected on described the first switch three-way valve by output channel, described the first accurate voltage regulating table is arranged on described output channel, one output valve port of described the first switch three-way valve connects described the first water level pipe and the second water level pipe, another output valve port is connected on described supply tank, on described supply tank, be provided with water supply line, described water supply line is connected with described the first water level pipe and described the first osmotic pressure container with infiltration switch three-way valve by the first water inlet, described water supply line is connected with described the second water level pipe and described the second osmotic pressure container with infiltration switch three-way valve by the second water inlet.
Described the second pressure source connects respectively described first by output channel and loads two-way valve and described the second loading two-way valve, described first loads two-way valve is connected in described the first osmotic pressure container, described second loads two-way valve is connected in described the second osmotic pressure container, and described the second accurate voltage regulating table is arranged on described output channel.
Described the first photoelectric signal sensor is arranged on described the first water level pipe, for detection of the water level information in described the first water level pipe, described the second photoelectric signal sensor is arranged on described the second water level pipe, for detection of the water level information in described the second water level pipe, described the first photoelectric signal sensor is connected with described radio signal senders signal with described the 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, described the first osmotic pressure container comprises the soil sample loading unity cylinder with air intake opening, with the container base of water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on described container base, described upper cap is slided and is embedded the upper port place at described soil sample cutting ring, between described soil sample cutting ring and described container base and described upper cap, be connected and sealed by air locking respectively, described soil sample loading unity cylinder is arranged on the below of described container base, for container base described in jacking, described air intake opening and described first loads two-way valve and is connected, described water inlet is connected with infiltration switch three-way valve with described the first water inlet.
Further improve as the present invention, described the second osmotic pressure container comprises the soil sample loading unity cylinder with air intake opening, with the container base of water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on described container base, described upper cap is slided and is embedded the upper port place at described soil sample cutting ring, between described soil sample cutting ring and described container base and described upper cap, be connected and sealed by air locking respectively, described soil sample loading unity cylinder is arranged on the below of described container base, for container base described in jacking, described air intake opening and described second loads two-way valve and is connected, described water inlet is connected with infiltration switch three-way valve with described the second water inlet.
Further improve as the present invention, on described the first accurate voltage regulating table, be provided with an air pressure precision pressure gauge.
Further improve as the present invention, on described the second accurate voltage regulating table, be provided with an air pressure precision pressure gauge.
Further improve as the present invention, the upper surface conducting of described the first water level pipe and described the second water level pipe is provided with an air inlet three-way connection, and described the first pressure source connects air inlet three-way connection by an output valve port of described the first switch three-way valve.
Further improve as the present invention, in described radio signal senders, be 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, in process of the test, can improve seepage water pressure and soil sample pressure by pressure source simultaneously, according to permeability test principle (Darcy's law), water table gradient and time of penetration are inverse relation, visible the present invention is by improving the method for seepage water pressure, can realize and shorten the permeability test time, greatly shorten the test period cycle.
2. the present invention can load unity cylinder by described soil sample and applies corresponding consolidation pressure according to the soil sample degree of depth difference that fetches earth, and simulated field actual conditions more realistically, reduce test error.
3. the present invention introduces wireless communication technology, realize between each instrument without there being again cable to connect, even each instrument and computing machine are without being necessarily placed on a room, even if also can normal transmission data at chummery not, the problems referred to above are effectively solved, realize the workload that reduces communication technology cost, reduces hardware setting, got rid of the interference of communication network and made mistakes, improved the goal of the invention of data transmission efficiency.
Below with reference to accompanying drawing, the technique effect of design of the present invention, concrete structure and generation is described further, to understand fully object of the present invention, feature and effect.
Brief description of the 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, the present embodiment proposes a kind of light-operated pressurization rapid osmotic test unit, comprise for simultaneously to two parts of soil samples pressurize the duplex single tube permeameter 1 of rapid osmotic test, for the radio signal senders 2 of the water level information on duplex single tube permeameter described in wireless transmission, for receiving the wireless signal receiver 3 of wireless signal and the computing machine 4 for described wireless signal is processed.
Duplex single tube permeameter 1 comprises supply tank 101, the first pressure source 102, the first accurate voltage regulating table 103, the first switch three-way valve 104, the first water level pipe 105, the first photoelectric signal sensor 106, the first water inlet and infiltration switch three-way valve 107, first loads two-way valve 108, the first osmotic pressure container 109, the second pressure source 110, the second accurate voltage regulating table 111, the second water level pipe 112, the second photoelectric signal sensor 113, the second water inlet and infiltration switch three-way valve 114, second loads two-way valve 115 and the second osmotic pressure container 116.
The first pressure source 102 is connected on the first switch three-way valve 104 by output channel, the first accurate voltage regulating table 103 is arranged on described output channel, one output valve port of the first switch three-way valve 104 connects the first water level pipe 105 and the second water level pipe 112 simultaneously, another output valve port is connected on supply tank 101, on supply tank 101, be provided with water supply line, described water supply line is connected with the first water level pipe 105 and the first osmotic pressure container 109 with infiltration switch three-way valve 107 by the first water inlet simultaneously, described water supply line is connected with the second water level pipe 112 and the second osmotic pressure container 116 with infiltration switch three-way valve 114 by the second water inlet simultaneously.
The second pressure source 110 connects respectively the first loading two-way valve 108 and second by output channel and loads 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 described output channel.
The first photoelectric signal sensor 106 is arranged on the first water level pipe 105, for detection of the water level information in the first water level pipe 105, the second photoelectric signal sensor 113 is arranged on the second water level pipe 112, for detection of the water level information in the second water level pipe 112, the first photoelectric signal sensor 106 is connected with radio signal senders 2 signals with the 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 with the soil sample of air intake opening and load unity cylinder 117, with the container base 118 of water inlet, soil sample cutting ring 119 and upper cap 120, 119 sealings of soil sample cutting ring are arranged on container base 118, upper cap 120 is slided and is embedded the upper port place at soil sample cutting ring 119, between soil sample cutting ring 119 and container base 118 and upper cap 120, be connected and sealed by air locking respectively, soil sample loading unity cylinder 117 is arranged on the below of container base 118, for jacking container base 118.Wherein, the air intake opening of described the first osmotic pressure container 109 loads the corresponding connection of two-way valve 108 with first, and the water inlet of the first osmotic pressure container 109 is connected with infiltration switch three-way valve 107 with the first water inlet.The air intake opening of the second osmotic pressure container 116 loads the corresponding connection of two-way valve 115 with second, and the water inlet of the second osmotic pressure container 116 is connected with infiltration switch three-way valve 114 with the second water inlet.
Exemplary, on the first accurate voltage regulating table 103 and the second accurate voltage regulating table 111, be respectively provided with an air pressure precision pressure gauge 121.The upper surface conducting of the first water level pipe 105 and the second water level pipe 112 is provided with an air inlet three-way connection 122, the first pressure source 102 connects air inlet three-way connection 122 by an output valve port of the first switch three-way valve 104, is that the first water level pipe 105 and the second water level pipe 112 pressurize simultaneously.In addition, in described radio signal senders, be also provided with signal amplifier, A/D converter and digital filter.Above-mentioned each parts all can adopt conventional outsourcing piece, repeat no more herein.
As the further embodiment of the present embodiment, the first pressure source and the second pressure source can be selected air compressor or gas-holder, also can add the parts such as reduction valve and carbonated drink filtrator simultaneously.In the first osmotic pressure container and the second osmotic pressure container, can also add the parts such as upper and lower porous disc.As shown in Figure 2, also can be set to a data acquisition unit by integrated to described signal amplifier, A/D converter, digital filter, probe power and radio signal senders.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 generating report forms reporting modules etc.The first photoelectric signal sensor 106 and the second photoelectric signal sensor 113 transfer signals in data acquisition unit by wired or wireless mode, data acquisition unit is by radio signal senders 2 transmission of wireless signals in described wireless signal receiver 3, and the described receiving processing system that relevant information is input in computing machine 4 is processed.
Exemplary, the concrete application of the light-operated pressurization rapid osmotic test unit of the present embodiment is as follows:
1. first soil sample is placed on the first osmotic pressure container 109 of duplex single tube permeameter 1 and the container base 118 of the second osmotic pressure container 116, then covers upper cap 120, soil sample is enclosed in soil sample cutting ring 119.
2. apply corresponding consolidation pressure according to the soil sample degree of depth that fetches earth, start the second pressure source 110 and manipulate the first loading two-way valve 108 and the second loading two-way valve 115 simultaneously, realizing soil sample loading unity cylinder 117 jacking container bases 118 rises gradually, upper cap 120 holding positions are constant, volume in 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. arrive after predetermined soil sample force value, again the infiltration water correspondence in the first water level pipe 105 and the second water level pipe 112 is conducting in the first osmotic pressure container 109 and the second osmotic pressure container 116, also by starting the first pressure source 102, the infiltration water in the first water level pipe 105 and the second water level pipe 112 is pressurizeed simultaneously, improve its seepage pressure, further shorten the permeability test time cycle.
4. enter after soil sample at infiltration water, the first water level pipe 105 and the second water level pipe 112 height of water separately will reflect the information of the first osmotic pressure container 109 and the second osmotic pressure container 116 interior amount of seepages real-time dynamicly, the first photoelectric signal sensor 106 and the second photoelectric signal sensor 113 by the amount of seepage information exchange obtaining cross radio signal senders 2 and wireless signal receiver 3 be capable of dynamic real-time communication is carried out to data processing to computing machine 4.
Supplementary notes: when water shortage in the first water level pipe 105 and/or the second water level pipe 112, can, by the first corresponding water inlet and infiltration switch three-way valve 107 and/or the second water inlet and infiltration switch three-way valve 114 conducting supply tanks 101, carry out moisturizing to the first water level pipe 105 and/or the second water level pipe 112.Wherein the first pressure source 102 also optionally pressurizes for supply tank 101 by the first switch three-way valve 104, realizes Quick water exit.Supply tank 101 is also optionally that first osmotic pressure container 109 and second osmotic pressure container 116 directly carry infiltration water with infiltration switch three-way valve 107 and the second water inlet with infiltration switch three-way valve 114 by the 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 just can design according to the present invention make many modifications and variations without creative work.Therefore, all technician in the art, all should be in by the determined protection domain of 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. a light-operated pressurization infiltration experiment device, is characterized in that:
Comprise for simultaneously to two parts of soil samples pressurize the duplex single tube permeameter of rapid osmotic test, for the radio signal senders of the water level information on duplex single tube permeameter described in wireless transmission, for receiving the wireless signal receiver of wireless signal and the computing machine for described wireless signal is processed;
Described duplex single tube permeameter comprises that supply tank, the first pressure source, the first accurate voltage regulating table, the first switch three-way valve, the first water level pipe, the first photoelectric signal sensor, the first water inlet load two-way valve and the second osmotic pressure container with infiltration switch three-way valve, the first loading two-way valve, the first osmotic pressure container, the second pressure source, the second accurate voltage regulating table, the second water level pipe, the second photoelectric signal sensor, the second water inlet with infiltration switch three-way valve, second;
Described the first pressure source is connected on described the first switch three-way valve by output channel, described the first accurate voltage regulating table is arranged on described output channel, one output valve port of described the first switch three-way valve connects described the first water level pipe and the second water level pipe, another output valve port is connected on described supply tank, on described supply tank, be provided with water supply line, described water supply line is connected with described the first water level pipe and described the first osmotic pressure container with infiltration switch three-way valve by the first water inlet, described water supply line is connected with described the second water level pipe and described the second osmotic pressure container with infiltration switch three-way valve by the second water inlet,
Described the second pressure source connects respectively described first by output channel and loads two-way valve and described the second loading two-way valve, described first loads two-way valve is connected in described the first osmotic pressure container, described second loads two-way valve is connected in described the second osmotic pressure container, and described the second accurate voltage regulating table is arranged on described output channel;
Described the first photoelectric signal sensor is arranged on described the first water level pipe, for detection of the water level information in described the first water level pipe, described the second photoelectric signal sensor is arranged on described the second water level pipe, for detection of the water level information in described the second water level pipe, described the first photoelectric signal sensor is connected with described radio signal senders signal with described the 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 infiltration experiment device as claimed in claim 1, it is characterized in that: described the first osmotic pressure container comprises the soil sample loading unity cylinder with air intake opening, with the container base of water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on described container base, described upper cap is slided and is embedded the upper port place at described soil sample cutting ring, between described soil sample cutting ring and described container base and described upper cap, be connected and sealed by air locking respectively, described soil sample loading unity cylinder is arranged on the below of described container base, for container base described in jacking, described air intake opening and described first loads two-way valve and is connected, described water inlet is connected with infiltration switch three-way valve with described the first water inlet.
3. light-operated pressurization infiltration experiment device as claimed in claim 1, it is characterized in that: described the second osmotic pressure container comprises the soil sample loading unity cylinder with air intake opening, with the container base of water inlet, soil sample cutting ring and upper cap, described soil sample cutting ring sealing is arranged on described container base, described upper cap is slided and is embedded the upper port place at described soil sample cutting ring, between described soil sample cutting ring and described container base and described upper cap, be connected and sealed by air locking respectively, described soil sample loading unity cylinder is arranged on the below of described container base, for container base described in jacking, described air intake opening and described second loads two-way valve and is connected, described water inlet is connected with infiltration switch three-way valve with described the second water inlet.
4. light-operated pressurization infiltration experiment device as claimed in claim 1, is characterized in that: on described the first accurate voltage regulating table, be provided with an air pressure precision pressure gauge.
5. light-operated pressurization infiltration experiment device as claimed in claim 1, is characterized in that: on described the second accurate voltage regulating table, be provided with an air pressure precision pressure gauge.
6. light-operated pressurization infiltration experiment device as claimed in claim 1, it is characterized in that: the upper surface conducting of described the first water level pipe and described the second water level pipe is provided with an air inlet three-way connection, described the first pressure source connects air inlet three-way connection by an output valve port of described the first switch three-way valve.
7. light-operated pressurization infiltration experiment device as claimed in claim 1, is characterized in that: in described radio signal senders, be 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 Active CN103217373B (en)

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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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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
CN100595562C (en) * 2008-05-14 2010-03-24 浙江大学 Integral permeability testing machine for self circulation measuring for perpendicular and horizontal permeability coefficient
CN101788451B (en) * 2010-02-09 2011-06-01 浙江树人大学 Silt anti-permeability strength measuring equipment and method
CN102221391B (en) * 2011-03-23 2012-11-28 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

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Address after: 200011 Tibet South Road, Shanghai, No. 1170, No.

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