CN102192869B - Apparatus and method for detecting permeable performance of permeable material product - Google Patents
Apparatus and method for detecting permeable performance of permeable material product Download PDFInfo
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- CN102192869B CN102192869B CN201010124226.4A CN201010124226A CN102192869B CN 102192869 B CN102192869 B CN 102192869B CN 201010124226 A CN201010124226 A CN 201010124226A CN 102192869 B CN102192869 B CN 102192869B
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- 239000000463 material Substances 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 163
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims description 39
- 230000035699 permeability Effects 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 32
- 238000005070 sampling Methods 0.000 claims description 32
- 230000002572 peristaltic effect Effects 0.000 claims description 17
- 239000000523 sample Substances 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 239000011449 brick Substances 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
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- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The invention discloses an apparatus and method for detecting the permeable performance of a permeable material product. The apparatus comprises a water injection device, a water supply device, a support device, a liquid level acquisition device and a control system, wherein the water supply device is connected with the water injection device by virtue of a water delivery pipe; the permeable material product is arranged on the support device; the liquid level acquisition device is arranged above the permeable material product; and the control system is electrically connected with the water supply device and the liquid level acquisition device. The apparatus disclosed by the invention has the advantages that through detecting the surface water-logging status of the permeable material product in the state of simulating natural rainfall, the status moment that the permeable material product achieves the maximum permeable limit is obtained, and the outlet flow rate and the maximum permeable velocity generated when the permeable material product achieves the maximum permeable limit also can be obtained, so that the permeable performance of the permeable material product can be detected intuitively.
Description
Technical field
The present invention relates to a kind of water permeability detection device, particularly relate to a kind of water permeability detection device for permeable material product and detection method.
Background technology
Hard surface is when precipitation, and rainwater is blocked completely to supplementing of underground water, is relying on the city of underground water as drinking water source, the underground water table of decline can be made to be difficult to go up; And rainwater is lost to drainage pipeline from road surface drains. make city become earth's surface drying, increased the weight of city raised dust pollution, also can bring very large difficulty to greening.If rainwater deposits on road surface, traffic jam can be caused on the one hand, increase the weight of the pollution of automotive emission, on the other hand, a large amount of urban pollutant can be dissolved in during rainwater crossing current. as wearer, the house refuse of the heavy metal tire of motor vehicle emission, the agricultural chemicals etc. that dust on building ground, meadow spray directly is discharged in local river, pollutes.Secondly. air-locked road surface is difficult to the exchange carrying out heat, moisture with air, lacks the regulating power to urban surface temperature, humidity, and aggravation " heat island phenomenon ", too increases the energy resource consumption in city simultaneously.Water-permeable brick has that intensity is high, easy coloring, can back washing and can the advantage of impurity screening and tool gas penetration potential; Be applicable to pavement, ramp, cycle track and edge of pool, having wide range of applications of water-permeable brick.
At present, in prior art, mostly test the water permeation ability of the permeable material product under certain pressure head according to Darcy's law, but, the method can not exosyndrome material without the water permeation ability under pressure head (rainfall) state.
Chinese patent (publication number: CN101514951) proposes a kind of permeability coefficient detector of pervious brick and detection method.This device comprises overflow cylinder, overflow tank, water containing pool, water circulating pump, valve, sample and covers the water guiding ring composition of sample upper end; Overflow tank is placed in water containing pool, in overflow tank, arrange overflow cylinder; Water circulating pump is placed in the bottom of water containing pool, between water circulating pump and overflow cylinder, be provided with circulating water pipe; Temperature control equipment and measuring cup is also provided with in water containing pool; The overflow vent of funnel type overflow tank is equipped with; Under measuring cup is arranged on the overflow vent of overflow tank, valve is arranged on circulating water pipe.The program can utilize flow rate calculation to obtain the coefficient of permeability of water-permeable brick, and utilizes existing vacuum extractor, recycles air free water, effectively reduces inspection cost; And the use of water guiding ring can guarantee that sample upper surface water permeable area is to greatest extent close to the upper surface area of sample, improves accuracy of detection.But this pick-up unit and detection the method still can not detect its water permeability under water spray or the precipitation state naturally of permeable material product.
Summary of the invention
Technical matters to be solved by this invention is the water permeability detection device and the detection method that provide a kind of permeable material product, can not detect the defect of its water permeability with the device and method solving prior art under permeable material product state of nature.
For achieving the above object, the present invention proposes a kind of pick-up unit, for detecting the water permeability of permeable material product, comprising: a water injector, for spraying water to described permeable material product; One water supply installation, described water supply installation is connected by hydraulic pipeline with described water injector; One bracing or strutting arrangement, described permeable material product is placed on described bracing or strutting arrangement; One fluid level sampling device, is arranged at the top of described permeable material product; And a control system, be electrically connected with described water supply installation and described fluid level sampling device.
Wherein, described water injector has a tabular shower nozzle.
Wherein, the area of described tabular shower nozzle is less than the area of described permeable material product.
Wherein, described water supply installation is selected from plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump.
Wherein, described plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump are by the linear increase of the control realization discharge of described control system.
Wherein, described pick-up unit also comprises a tank, and the position of corresponding described water injector is arranged at below described water injector.
Wherein, described plunger type metering pump, described peristaltic pump or described Electromagnetic diaphragm metering pump are communicated with described tank by hydraulic pipeline.
Wherein, described fluid level sampling device is selected from infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor.
Wherein, also comprise a water-resisting mask, being arranged at immediately below water injector and sealing with described permeable material product upper surface, flowing away for preventing the water on described permeable material product surface.
Wherein, described bracing or strutting arrangement is the chamber wall of described tank, or described bracing or strutting arrangement comprises supporter, bracing frame and leveling nut, described supporter is arranged at the top of described water storage device, support frame as described above supports described supporter, and support frame as described above bottom has a leveling nut, with supporter described in leveling respectively in the position at the described supporter two ends of correspondence.
Wherein, described control system comprises receiving element, judging unit, computing unit and display unit, described receiving element receives the sensing signal that described liquid level collecting unit transmits, and received sensing signal is passed to described judging unit and described computing unit respectively, described judging unit exports stop signal to described water supply installation, and, described computing unit calculates maximum permeation rate and the discharge of described permeable material product, and described maximum permeation rate and discharge are flowed to display unit.
Wherein, described water-resisting mask adopts rubber ring seal, metal frame on-load pressure.
And for achieving the above object, the present invention proposes a kind of detection method detecting the water permeability of permeable material product, comprises the following steps:
Step 1: described permeable material product is placed on bracing or strutting arrangement, and regulate horizontal nut to make described permeable material product surface level;
Step 2: opening control system, water supply installation provides water source to water injector under control system controls, and by water injector to permeable material product surface sprinkling;
Step 3: sense described permeable material product surface level by fluid level sampling device, and fluid level sampling device by sensing signal transmission to control system, after control system receives described sensing signal, export stop signal to water supply installation, and water flow value and/or the permeation rate value of this water supply installation are flow through in display.
Wherein, described water supply installation comprises plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump, and described plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump are by the linear increase of the control realization discharge of described control system.
Wherein, described plunger type metering pump, described peristaltic pump or described Electromagnetic diaphragm metering pump are communicated with described tank by hydraulic pipeline, so that the water in described tank is supplied described water injector.
Wherein, when described permeable material product surface level reaches a setting height, described fluid level sampling device is reported to the police.
Wherein, described setting height is preferably 2 ~ 20 millimeters, is more preferred from 5 ~ 10 millimeters.
Wherein, described fluid level sampling device is infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor.
Wherein, before step 2, water-resisting mask is set immediately below water injector, and described water-resisting mask and described permeable material product upper surface are sealed, for preventing the water on described permeable material product surface from flowing away, to reach described permeable material product liquid level ponding.
Wherein, described water injector has a tabular shower nozzle, and the area of described tabular shower nozzle is slightly less than the area of described permeable material product.
Wherein, in step 1, described bracing or strutting arrangement is the chamber wall of described tank, described permeable material product is placed on the chamber wall of described tank, or described bracing or strutting arrangement comprises supporter, bracing frame and leveling nut, by regulating the leveling nut of described bracing or strutting arrangement, make the supporter level of described bracing or strutting arrangement, to make permeable material product surface level.
Wherein, in step 3, described control system receives the sensing signal of described liquid level collecting unit transmission by receiving element, and received sensing signal is passed to judging unit and computing unit respectively, described judging unit exports stop signal to described water supply installation, further, described computing unit calculates maximum permeation rate and the discharge of described permeable material product, and described maximum permeation rate and discharge are flowed to display unit.
Technique scheme of the present invention has following beneficial effect compared to existing technology:
(1) water permeability detection device of the present invention, the state moment that permeable material product reaches maximum permeable limit is obtained by detecting the ponding situation on permeable material product surface, and the water flow obtained when permeable material product reaches maximum permeable limit and maximum permeation rate.Thus the water permeability of permeable material product can be detected intuitively.
(2) water permeability detection device of the present invention in simulating nature precipitation state to permeable material product trickle, can detect permeable material product under the condition of simulated precipitation to the permeance property of water.
(3) adopt tabular shower nozzle to simulate natural precipitation state in water permeability detection device of the present invention, and tabular shower nozzle base plate is substantially identical with the area of permeable material product, can ensure that whole permeable material product receives simulated precipitation uniformly.
(4) water permeability detection device of the present invention adopts infrared light inductive probe as fluid level sampling device, and its detection efficiency is high, measures accurately.
(5) be provided with water-resisting mask for reaching liquid level ponding in water permeability detection device of the present invention, adopt rubber ring seal, metal frame on-load pressure, sample does not generally need to cut out, and convenient test is quick.
Accompanying drawing explanation
Fig. 1 is the structural representation of permeable material product water permeability detection device of the present invention;
Fig. 2 is the control principle schematic diagram of the control system of a preferred embodiment of the present invention;
Fig. 3 is flow of the present invention and time chart;
Fig. 4 is the process flow diagram of permeable material product water permeability detection method of the present invention.
Wherein, Reference numeral:
1, water injector 2, water supply installation
3, tank 4, supporter
5, fluid level sampling device 6, control system
7, permeable material product 8, stop water
9, bracing frame 10, receiving element
11, leveling nut 20, judging unit
30, computing unit 50, display unit
V
l---maximum permeation rate
V
d---volume pump flow velocity when liquid level collection is reported to the police
V "---flow speedup (acceleration)
S---run-off (the surface area water yield)
T1---reach time during maximum permeation rate
T2---liquid level acquisition system time of fire alarming
Embodiment
Water permeability detection device of the present invention is the ponding situation by detecting permeable material product surface, obtain the state moment that permeable material product reaches maximum permeable limit, and then characterized the water permeability of permeable material product by water flow situation now.
Fig. 1 is the structural representation of permeable material product water permeability detection device of the present invention, as shown in Figure 1, this pick-up unit mainly comprises: water injector 1, water supply installation 2, tank 3, bracing or strutting arrangement, fluid level sampling device 5 and control system 6, described water injector 1 is for spraying Simulated rainwater to permeable material product 7, and described water supply installation 2 is connected by hydraulic pipeline with described water injector 1; The position of the corresponding described water injector 1 of described tank 3 is arranged at below described water injector 1, for receiving the water through permeable material product; Described permeable material product 7 is placed on described bracing or strutting arrangement; Described fluid level sampling device 5 is arranged at above described permeable material product 7, is used for detecting the ponding situation of permeable material product upper surface; And described control system 6 is electrically connected with described water supply installation 2 and described fluid level sampling device 5.
Wherein, in the present embodiment, also comprise a stop water 8, be arranged at the top of described permeable material product, for preventing the water on described permeable material product surface from flowing away, described stop water is preferably water-resisting mask, to be arranged at immediately below described water injector and to seal with seepy material upper surface.Further, preferably, add rubber seal bottom described water-resisting mask, upper metal frame increases weight, and realizes the excellent sealing with seepy material.In addition, described fluid level sampling device 5 is better is arranged on described water-resisting mask.
Wherein, preferably, described bracing or strutting arrangement is the chamber wall of described tank, described permeable material product is directly placed on described tank, or described bracing or strutting arrangement comprises supporter 4, bracing frame 9 and leveling nut 11, described supporter 4 is arranged at the top of described water storage device 3, support frame as described above 9 supports described supporter 4, and support frame as described above 9 bottom has a leveling nut 11 respectively in the position at correspondence described supporter 4 two ends, with supporter described in leveling 4, make described permeable material product 7 surface level.Further, in the present embodiment, described bracing or strutting arrangement 4 is also for supporting water injector 1.
Further, preferably, described water injector 1 has tabular shower nozzle, and the area of described tabular shower nozzle is less than the area of described permeable material product.
Further, described control system is preferably PLC.Described water supply installation 2 is programmed control volume pump, controls frequency converter, realize the linear increase of discharge by control system 6 (PLC).Flow value calculates pump stroke and frequency obtains by by control system 6 (PLC).Also obtain by installing electromagnetic flowmeter additional.
Preferably, described programmed control volume pump is plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump.Wherein, described plunger type metering pump has variable-frequency motor (not shown), control system 6 (PLC) controls its frequency converter frequency, frequency converter acts on the variable-frequency motor of plunger type metering pump, realize the change of program of variable-frequency motor rotating speed, thus the linear increase of metering discharge.If employing electromagnetic dosing pump, then regulate its a-c cycle by PLC, realize the number of strokes of unit interval, linearly increase to realize flow.
Further, described plunger type metering pump, described peristaltic pump or described Electromagnetic diaphragm metering pump are communicated with described tank 3 by hydraulic pipeline, so that by pump water in described tank 3 to described water injector 1.
Further, the fluid level sampling device 5 described in the present invention is preferably infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor.The ponding liquid level that described infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor are formed for gathering permeable material product surface.Wherein, described infrared light inductive probe is by judging whether to be cut off light path observation permeable material product top surface area water depth situation by ponding.
Further, Fig. 2 is the control principle schematic diagram of the control system of a preferred embodiment of the present invention, and as shown in Figure 2, control system 6 comprises receiving element 10, judging unit 20, computing unit 30 and display unit 50.Wherein, fluid level sampling device 5 is electrically connected with receiving element 10, by sensing signal transmission to receiving element 10, the sensing signal received is passed to judging unit 20 and computing unit 30 by receiving element 10 respectively, after judging unit 20 judges to receive signal, export stop signal to water supply installation 2, water supply installation 2 stops supplying water.Further, described computing unit 30 calculates maximum permeation rate and the discharge of described permeable material product, and described maximum permeation rate and discharge are flowed to display unit 50.Display unit 50 shows this maximum permeation rate, and the moment shows the discharge in this moment.
Fig. 3 is flow of the present invention and time chart, as shown in Figure 3, wherein:
V
l---maximum permeation rate (ml/s)
V
d---volume pump flow velocity (ml/s) when liquid level collection is reported to the police
V "---flow speedup (acceleration) (ml/s
2)
S---run-off (the surface area water yield)
T1---reach the time (s) during maximum permeation rate
T2---liquid level acquisition system time of fire alarming (s)
S is that flow velocity reaches the maximum permeation rate of water-permeable brick and plays brick face diameter flow to the time that liquid level acquisition system is reported to the police only, and its computing formula is:
S＝0.5×V″×(T2-T1)
2………………………(1)
Maximum permeation rate V
lcomputing formula is:
V
L＝V
D-(T2-T1)×V″………………………(2)
By known S, V
dvalue and (1) ~ (2) can calculate permeable swallowing-capacity V
l.
V
L＝V
D-(2S×V″)
1/2……………………………(3)
Wherein, S can be obtained (being water accumulating volume) with acquisition zone areal calculation by the specified warning height of liquid level collector, flow speedup V " be setting value, V
dcan calculate pump stroke by control system 6 (PLC) and frequency obtains, and flow to computing unit 30, computing unit 30 calculates V by formula (3)
l.
In addition, the invention allows for the water permeability monitoring method utilizing above-mentioned water permeability monitoring device to carry out water permeability monitoring.Fig. 4 is the process flow diagram of permeable material product water permeability detection method of the present invention, composition graphs 1 and Fig. 4, and the method comprises the following steps:
Step 1: described permeable material product 7 is placed on bracing or strutting arrangement, and make described permeable material product 7 surface level;
Step 2: opening control system 6, water supply installation 2 provides water source to water injector 1 under the control of control system 6, and by water injector 1 to permeable material product 7 surface sprinkling;
Step 3: the surface level being sensed described permeable material product 7 by fluid level sampling device 5, and fluid level sampling device 5 by sensing signal transmission to control system 6, after control system 6 receives described sensing signal, export stop signal to water supply installation 2, and water flow value and/or the permeation rate value of this water supply installation 2 are flow through in display.
Wherein, in step 3, when described permeable material product 7 surface level reaches a setting height, described fluid level sampling device 5 is reported to the police.Described setting height is 2 ~ 20 millimeters, is preferably 5 ~ 10 millimeters.And described fluid level sampling device 5 is infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor.
And, in step 3, fluid level sampling device 5 by sensing signal transmission to the receiving element 10 of control system 6, the sensing signal received is passed to judging unit 20 and computing unit 30 by receiving element 10 respectively, after judging unit 20 judges to receive signal, export stop signal to water supply installation 2, water supply installation 2 stops supplying water.Further, described computing unit calculates maximum permeation rate and the discharge of described permeable material product, and described maximum permeation rate and discharge are flowed to display unit.
And, in step 1, described bracing or strutting arrangement is the chamber wall of described tank, described permeable material product is placed on the chamber wall of described tank, or described bracing or strutting arrangement comprises supporter 4, bracing frame 9 and leveling nut 11, by regulating the leveling nut 11 of described bracing or strutting arrangement, make supporter 4 level of described bracing or strutting arrangement, to make permeable material product 7 surface level.
And, before step 2, be also included in immediately below water injector and water-resisting mask is set, and described water-resisting mask and described permeable material product upper surface are sealed, for preventing the water on described permeable material product 7 surface from flowing away, to reach described permeable material product liquid level ponding.
Further, described water supply installation 2 is preferably plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump, and described plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump control frequency converter by described control system 6, realizes the linear increase of discharge.Further, described plunger type metering pump, described peristaltic pump or described Electromagnetic diaphragm metering pump are communicated with described tank 3 by hydraulic pipeline, so that the water in described tank 3 is supplied described water injector 1.
Embodiment
First add a certain amount of water source by tank 5, be preferably deionized water.Then, by permeable material product, as water-permeable brick, be placed in the top of the supporter 4 of bracing or strutting arrangement, regulate the upper surface level of leveling nut 11 to permeable material product.Whole marginal position above permeable material product 7 arranges water-resisting mask, and described water-resisting mask and described permeable material product upper surface are sealed, afterwards, connect control system 6 power supply, click starts to measure, by the control of control system 6, progressively increase the discharge of volume pump, and discharge is linearly increased.When discharge is greater than the critical permeation rate of water-permeable brick, brick surface forms runoff, liquid level raises, after liquid level arrives certain altitude, fluid level sampling device 5 is reported to the police, and the signal that control system 6 receives fluid level sampling device 5 stops volume pump 2, and, control system 6 gathers now flow value, calculates maximum permeation rate by curve, and display discharge now and the permeation rate of water-permeable brick.
The present invention, owing to adopting the tabular shower nozzle of simulating nature precipitation to permeable material product trickle, can detect permeable material product permeance property to water under the condition of simulated precipitation.The base areas of described tabular shower nozzle is less than the area of permeable material product, can ensure that whole permeable material product receives simulated precipitation uniformly.And by control system, volume pump and fluid level sampling device, the water permeability of permeable material product automatically and intuitively can be detected.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (19)
1. detect a detection method for the water permeability of permeable material product, it is characterized in that, comprise the following steps:
Step 1: described permeable material product is placed on bracing or strutting arrangement, and make described permeable material product surface level;
Step 2: opening control system, water supply installation provides water source to water injector under control system controls, and by water injector to permeable material product surface sprinkling;
Step 3: sense described permeable material product surface level by fluid level sampling device, when described permeable material product surface level reaches a setting height, described fluid level sampling device is reported to the police, and fluid level sampling device by sensing signal transmission to control system, after control system receives described sensing signal, export stop signal to water supply installation, and water flow value and/or the permeation rate value of this water supply installation are flow through in display
Wherein, before step 2, water-resisting mask is set immediately below water injector, and described water-resisting mask and described permeable material product upper surface are sealed.
2. the detection method of the water permeability of detection permeable material product according to claim 1, it is characterized in that, described water supply installation comprises plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump, and described plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump are by the linear increase of the control realization discharge of described control system.
3. the detection method of the water permeability of detection permeable material product according to claim 2, it is characterized in that, described plunger type metering pump, described peristaltic pump or described Electromagnetic diaphragm metering pump are communicated with the tank be placed in below described water injector by hydraulic pipeline, so that the water in described tank is supplied described water injector.
4. the detection method of the water permeability of detection permeable material product according to claim 1, is characterized in that, described setting height is 5 ~ 10 millimeters.
5. the detection method of the water permeability of detection permeable material product according to claim 1, is characterized in that, described fluid level sampling device is infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor.
6. the detection method of the water permeability of detection permeable material product according to claim 1, is characterized in that, described water injector has a tabular shower nozzle, and the area of described tabular shower nozzle is less than the area of described permeable material product.
7. the detection method of the water permeability of detection permeable material product according to claim 3, it is characterized in that, in step 1, described bracing or strutting arrangement is the chamber wall of described tank, described permeable material product is placed on the chamber wall of described tank, or described bracing or strutting arrangement comprises supporter, bracing frame and leveling nut, by regulating the leveling nut of described bracing or strutting arrangement, make the supporter level of described bracing or strutting arrangement, to make permeable material product surface level.
8. the detection method of the water permeability of detection permeable material product according to claim 1, it is characterized in that, in step 3, described control system receives the sensing signal of described fluid level sampling device transmission by receiving element, and received sensing signal is passed to judging unit and computing unit respectively, described judging unit exports stop signal to described water supply installation, and, described computing unit calculates maximum permeation rate and the discharge of described permeable material product, and described maximum permeation rate and discharge are flowed to display unit.
9. the pick-up unit that adopts of the detection method of the water permeability of the detection permeable material product of claim 1, for detecting the water permeability of permeable material product, is characterized in that, comprising:
One water injector, for spraying water to described permeable material product;
One water supply installation, described water supply installation is connected by hydraulic pipeline with described water injector;
One bracing or strutting arrangement, described permeable material product is placed on described bracing or strutting arrangement;
One fluid level sampling device, is arranged at the top of described permeable material product; And
One control system, is electrically connected with described water supply installation and described fluid level sampling device.
10. pick-up unit according to claim 9, is characterized in that, described water injector has a tabular shower nozzle.
11. pick-up units according to claim 10, is characterized in that, the area of described tabular shower nozzle is less than the area of described permeable material product.
12. pick-up units according to claim 9, is characterized in that, described water supply installation is selected from plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump.
13. pick-up units according to claim 12, is characterized in that, described plunger type metering pump, peristaltic pump or Electromagnetic diaphragm metering pump are by the linear increase of the control realization discharge of described control system.
14. pick-up units according to claim 12, is characterized in that, also comprise a tank, and the position of corresponding described water injector is arranged at below described water injector.
15. pick-up units according to claim 14, is characterized in that, described plunger type metering pump, described peristaltic pump or described Electromagnetic diaphragm metering pump are communicated with described tank by hydraulic pipeline.
16. pick-up units according to claim 9, is characterized in that, described fluid level sampling device is selected from infrared light inductive probe, capacitance level transducer, contact liquid level sensor or laser liquid-level sensor.
17. pick-up units according to claim 9, is characterized in that, also comprise a water-resisting mask, being arranged at immediately below water injector and sealing with described permeable material product upper surface, flowing away for preventing the water on described permeable material product surface.
18. pick-up units according to claim 14, it is characterized in that, described bracing or strutting arrangement is the chamber wall of described tank, or described bracing or strutting arrangement comprises supporter, bracing frame and leveling nut, described supporter is arranged at the top of described tank, support frame as described above supports described supporter, and support frame as described above bottom has a leveling nut, with supporter described in leveling respectively in the position at the described supporter two ends of correspondence.
19. pick-up units according to claim 9, it is characterized in that, described control system comprises receiving element, judging unit, computing unit and display unit, described receiving element receives the sensing signal that described fluid level sampling device transmits, and received sensing signal is passed to described judging unit and described computing unit respectively, described judging unit exports stop signal to described water supply installation, and, described computing unit calculates maximum permeation rate and the discharge of described permeable material product, and described maximum permeation rate and discharge are flowed to display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010124226.4A CN102192869B (en) | 2010-03-11 | 2010-03-11 | Apparatus and method for detecting permeable performance of permeable material product |
Applications Claiming Priority (1)
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| CN2141026Y (en) * | 1992-11-05 | 1993-08-25 | 赵松年 | Alarm for automatic controlling and indicating liquid level |
| CN1186950A (en) * | 1996-12-31 | 1998-07-08 | 科万商标投资有限公司 | Apparatus and method for monitoring and controlling rate bath turnover |
| GB9627105D0 (en) * | 1996-12-31 | 1997-02-19 | Falmer Investment Ltd | Apparatus and method for monitoring and controlling rate of bath turnover |
| CN201054090Y (en) * | 2007-06-08 | 2008-04-30 | 承德市新龙电子有限责任公司 | Water resource radio monitoring and managing system |
| CN201331482Y (en) * | 2009-01-21 | 2009-10-21 | 河南省第一建筑工程集团有限责任公司 | Device for determining permeation coefficient of permeable concrete |
| CN101514951B (en) * | 2009-03-18 | 2012-01-25 | 深圳市建筑科学研究院有限公司 | Permeability coefficient detector of water permeable brick and detecting method thereof |
| CN101603914B (en) * | 2009-07-28 | 2010-12-08 | 北京市水利科学研究所 | Synthetic water infiltration capability test apparatus for water permeable ground |
| CN201666865U (en) * | 2010-03-11 | 2010-12-08 | 北京仁创科技集团有限公司 | Water permeability detection device for permeable material product |
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