CN205404350U - Prevent osmosis membrane's leakage detection system perpendicularly - Google Patents
Prevent osmosis membrane's leakage detection system perpendicularly Download PDFInfo
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- CN205404350U CN205404350U CN201520669907.7U CN201520669907U CN205404350U CN 205404350 U CN205404350 U CN 205404350U CN 201520669907 U CN201520669907 U CN 201520669907U CN 205404350 U CN205404350 U CN 205404350U
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Abstract
The utility model provides a prevent osmosis membrane's leakage detection system perpendicularly. This system includes current potential collection system and seepage monitoring device, and current potential collection system and seepage monitoring device electricity are connected, current potential collection system for gather the current potential of preventing the osmosis membrane surface perpendicularly, seepage monitoring device for according to the current potential that current potential collection system gathered, confirm to prevent perpendicularly whether osmosis membrane exists the seepage. Adopt the technical scheme of the utility model, can carry out leakage detection laying the in -process of preventing osmosis membrane perpendicularly, overcome prior art, cause certain local pollution could detect out the defect of the seepage nature of preventing osmosis membrane, the technical scheme of the utility model, can avoid leading to the fact harm for surrounding environment and people, can play certain environmental protection effect.
Description
Technical field
This utility model relates to leak detection technical field, particularly relates to the seepage detection system of a kind of vertical seepage control film.
Background technology
Water resource is seriously deficient now, and drinking water sources mostly is subsoil water.Therefore, the cleaning of groundwater resources how is protected to be particularly important.At present; city life garbage landfill is arranged on the top of Water table more; the ground water protection in heavy metal pollution place is also increasingly serious, how to ensure that pollutant are not permeable and drains in subsoil water, it is prevented that subsoil water is contaminated becomes sixty-four dollar question in construction process.
Vertical seepage control film lays the measure having become as more and more important protection subsoil water, and its effect is will to completely cut off inside and outside Polluted area, controls polluted underground water and spreads to periphery, strengthens pollution range further, cause more serious contamination accident.The antiseepage film of vertical seepage control film generally adopts synthetic material to make, for instance being most commonly that synthetic material is high density polyethylene (HDPE) (HighDensityPolyethylene；HDPE).In order to prevent pollutant from permeating the ground in water, pollute the domestic water of people, great damaging influence is brought to the life of people, under current state of the art, generally adopt HVDC electrical method detection vertical seepage control film whether seepage, utilize the high resistant characteristic of HDPE film, judge whether seepage by detecting magnitude of voltage in place, to determine that whether vertical seepage control film is damaged, determine that vertical seepage control film is damaged when electric leakage.
But, the damaged method of existing HVDC electrical method detection vertical seepage control film, the landfill yard being only used for not runing carries out detecting after level has been laid, it is impossible to for the detection of vertical seepage control film.
Utility model content
This utility model provides a kind of seepage detection system and the method for vertical seepage control film, to overcome the problem in prior art, the leak detection of vertical seepage control film being lacked effective detection scheme.
This utility model provides the seepage detection system of a kind of vertical seepage control film, including: electromotive force harvester and seepage supervising device, described electromotive force harvester and the electrical connection of described seepage supervising device；
The electromotive force on the vertical seepage control film surface of collection is sent to described seepage supervising device via electrical connection by described electromotive force harvester.
Further, in the seepage detection system of above-mentioned vertical seepage control film, described electromotive force harvester includes: signal source, current electrode, detecting electrode and signal gathering unit；
Described current electrode includes the first current electrode and the second current electrode, and described first current electrode be arranged in parallel with described second current electrode, and is connected with two signal output parts of described signal source respectively by service cable；Described signal source is that described current electrode is powered；
Described detecting electrode is positioned at the centre of described first current electrode and described second current electrode, and parallel with described second current electrode with described first current electrode；Described detecting electrode electrically connects with described signal gathering unit；Described detecting electrode, for detecting the electromotive force being perpendicular to the described vertical seepage control film surface that described detecting electrode is placed；And the electromotive force detected is transferred to described signal gathering unit；
The shape of described first current electrode and the second current electrode is strip；And described first current electrode and what the second current electrode was made up of corrosion resistant conducting metal.
Further, in the seepage detection system of above-mentioned vertical seepage control film, the sample frequency of described detecting electrode is 40kHz～60kHz；Described signal source frequency ranges for 1Hz～30Hz；
The voltage range of described signal source is 10Vpp～60Vpp；
The current range of described signal source is 100mA～1mA.
Further, in the seepage detection system of above-mentioned vertical seepage control film, described detecting electrode includes support bar and the one group of detection pole being arranged on described support bar, and each described detection pole is perpendicular to described support bar, near described vertical seepage control film surface；Described support bar is parallel with described first current electrode and described second current electrode；Each described detection pole is connected with described signal gathering unit by cable, is transferred to described signal gathering unit with the described electromotive force of each sampled point that each described detection on described vertical seepage control film surface is extremely corresponding；Each described detection pole in described one group of detection extremely is equally distributed；Further, adjacent in the described one group of detection extremely distance between described detection pole is 10～20 centimetres.
Further, in the seepage detection system of above-mentioned vertical seepage control film, the seepage detection system of described vertical seepage control film also includes: fixed support；
Described fixed support is used for fixing described detecting electrode and described current electrode, and described detecting electrode and described current electrode are positioned at described support bracket fastened bottom；
Described fixed support is provided with hinge, slides by controlling described hinge, it is possible to control the lifting of described fixed support.
The seepage detection system of this utility model vertical seepage control film, by the electromotive force that the electromotive force on electromotive force harvester collection vertical seepage control film surface and seepage supervising device gather according to electromotive force harvester, determine whether vertical seepage control film exists seepage, the technical solution of the utility model, in the process laying vertical seepage control film, the electromotive force on vertical seepage control film surface can be acquired, and determine whether vertical seepage control film exists seepage according to the electromotive force gathered.The technical solution of the utility model, it is possible to be applicable to the detection to vertical seepage control film, and in the process of deployment of vertical seepage control film, can judge whether vertical seepage control film exists seepage by detecting the electromotive force on vertical seepage control film surface.The seepage detection system of vertical seepage control film of the present utility model, simple in construction, easy to operate, detection efficiency is very high.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the seepage detection system embodiment one of this utility model vertical seepage control film；
Fig. 2 is the structural representation of the electromotive force harvester in Fig. 1；
Fig. 3 is the structural representation of the detecting electrode 113 in Fig. 2；
Fig. 4 is the structural representation of the seepage supervising device in Fig. 1；
Fig. 5 is the structural representation of the seepage detection system embodiment two of this utility model vertical seepage control film；
Fig. 6 is the flow chart of the leakage detection method embodiment of this utility model vertical seepage control film.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Fig. 1 is the structural representation of the seepage detection system embodiment one of this utility model vertical seepage control film, as it is shown in figure 1, the seepage detection system of the vertical seepage control film of the present embodiment may include that electromotive force harvester 11 and seepage supervising device 12.Wherein, electromotive force harvester 11 and seepage supervising device 12 are attached by the mode electrically connected, this electromotive force harvester 11 is for gathering the electromotive force on vertical seepage control film surface, and the electromotive force that seepage supervising device 12 gathers according to electromotive force harvester 11 determines whether vertical seepage control film exists seepage.
Vertical seepage control film in the present embodiment is be laid on inwall, and its effect is will to completely cut off inside and outside Polluted area.In the process laying vertical seepage control film, the electromotive force on the vertical seepage control film surface collected is transferred to seepage supervising device 12 by electromotive force harvester 11, seepage supervising device 12 determine whether vertical seepage control film exists seepage according to potential value.
The seepage detection system of the vertical seepage control film of the present embodiment, by the electromotive force that the electromotive force on electromotive force harvester collection vertical seepage control film surface and seepage supervising device gather according to electromotive force harvester, determine whether vertical seepage control film exists seepage, in the process laying vertical seepage control film, the electromotive force on vertical seepage control film surface can be acquired, and determine whether vertical seepage control film exists seepage according to the electromotive force gathered.The technical scheme of the present embodiment, it is possible to carry out leak detection in the process laying vertical seepage control film, it is to avoid work the mischief to surrounding and people, it is possible to play certain environment protecting.And the seepage detection system of the present embodiment, simple in construction, easy to operate, detection efficiency is very high.
Fig. 2 is the structural representation of the electromotive force harvester in Fig. 1.As shown in Figure 2, the electromotive force harvester 11 of the present embodiment includes: signal source 111, current electrode 112, detecting electrode 113 and signal gathering unit 114.
Wherein, signal source 111 is connected with current electrode 112, and this signal source 111 is powered for current electrode 112；Current electrode 112 includes the first current electrode 1121 and the second current electrode 1122, and the first current electrode 1121 and the second current electrode 1122 be arranged in parallel, are connected with two signal output parts of signal source 11 respectively by service cable.Detecting electrode 113 is connected with signal gathering unit 114, this detecting electrode 113 is positioned at the centre of the first current electrode 1121 and the second current electrode 1122, and it is parallel with the second current electrode 1122 with the first current electrode 1121, for the electromotive force being perpendicular to the surface that detecting electrode 113 is placed is detected, and the electromotive force detected is transferred to signal gathering unit 114.
Further, the shape of the first current electrode 1121 and the second current electrode 1122 is strip, and the first current electrode 1121 and what the second current electrode 1122 was made up of corrosion resistant conducting metal.Adopting such structure to be to ensure that the precision of detection, corrosion resistant conducting metal can increase the service life simultaneously.
Further, the sample frequency of detecting electrode 113 is 40kHz～60kHz, and signal source 111 is ac signal, and frequency range is 1Hz--30Hz, and the voltage range of signal source 111 is 10Vpp～60Vpp, and the current range of signal source 111 is 100mA～1mA.
Fig. 3 is the structural representation of the detecting electrode 113 in Fig. 2.As it is shown on figure 3, the detecting electrode 113 in the electromotive force harvester of the present embodiment includes support bar 1131 and the one group of detection pole 1132 being arranged on support bar 1131, each detection pole 1132 is perpendicular to support bar 1131, near vertical seepage control film surface.Support bar 1131 is parallel with the first current electrode 1121 and the second current electrode 1122, each detection pole 1132 is connected with signal gathering unit 114 by cable, so that the signal of each sampled point of each detection pole 1132 correspondence on vertical seepage control film surface is transferred to signal gathering unit 114.Further, each detection pole 1132 in one group of detection pole 1132 is equally distributed, and the adjacent distance between two detection poles 1132 is 10～20 centimetres.
Fig. 4 is the structural representation of the seepage supervising device in Fig. 1, and as shown in Figure 4, the seepage supervising device 12 in the seepage detection system of the vertical seepage control film of this enforcement specifically includes: electromotive force acquiring unit 121, potentiometric analysis unit 122 determine unit 123 with breakthrough.Wherein, electromotive force acquiring unit 121 is connected with signal gathering unit 114, and this electromotive force acquiring unit 121 for obtaining the electromotive force of each sampled point on the corresponding vertical seepage control film surface that each detection pole 1132 gathers from electromotive force collecting unit 121；Potentiometric analysis unit 122 is connected with electromotive force acquiring unit 121, the electromotive force of this potentiometric analysis unit 122 each sampled point for obtaining according to electromotive force acquiring unit 121, it is determined that electromotive force abnormal area；Breakthrough determines that unit 123 is connected with potentiometric analysis unit 122, and this breakthrough determines that unit 123 is in the electromotive force abnormal area determined at potentiometric analysis unit 122, it is determined that the sampled point maximum with the potential change meansigma methods of the sampled point of arest neighbors is breakthrough.
Further, potentiometric analysis unit 122 specifically for the electromotive force according to each sampled point, selects the potential change rate of sampled point with the arest neighbors sampled point more than predetermined threshold value as electromotive force abnormal area.
Further, as shown in Figure 4, the seepage supervising device 12 in the present embodiment also includes: breakthrough mark unit 124 and display unit 125.Wherein, breakthrough mark unit 124 determines that with breakthrough unit 123 is connected, and this breakthrough mark unit 124 for, in the potential profile that vertical seepage control film is corresponding, adopting different mark marks, obtain breakthrough scattergram by breakthrough with normal sampled point；Display unit 125 identifies unit 124 with breakthrough and is connected, and this display unit 125 is used for showing breakthrough scattergram.
Seepage supervising device specific works mode in this enforcement is: when electromotive force harvester 11 proceeds by detection time, seepage supervising device 12 proceeds by monitoring, wherein, the electromotive force of each sampled point that electromotive force acquiring unit 121 gets in one group of detection pole 1132 on the corresponding vertical seepage control film surface of each detection pole 1132 collection from signal gathering unit 114, the electromotive force that potentiometric analysis unit 122 gets according to electromotive force acquiring unit 121 is analyzed, it is determined that electromotive force abnormal area.The method determining electromotive force abnormal area is, according to except one group of detection pole 1132 detecting two ends, pole 1132, the data of 3 sampled points are closed in all the other each detection poles 1132, time wherein without leak source, electromotive force is evenly distributed state, when there being leak source, leak source point source have impact on Potential Distributing around, by potential value is compared obtain rate of change exceed predetermined threshold value time, think that sampled potentials value is abnormal, be electromotive force abnormal area.Predetermined threshold value in the present embodiment can be 25%, or 20%, or other numerical value, practical application can be arranged according to field condition, do not limit at this.Then determined that unit 123 is in the electromotive force abnormal area that potentiometric analysis unit 122 is determined by breakthrough, each abnormal sampled point is analyzed, obtain the sampled point maximum with the potential change meansigma methods of the sampled point of arest neighbors as breakthrough, namely determine the position of breakthrough.Then according to breakthrough, breakthrough mark unit 124 determines that the breakthrough that unit 123 is determined is identified, breakthrough to be adopted different mark marks with normal sampled point, obtaining breakthrough scattergram, breakthrough is identified the breakthrough scattergram that unit 124 identifies and shows by display unit 125.So, operator are according to breakthrough scattergram, it is possible to find out whether there is breakthrough with being apparent from；If existing, remedial efforts just can be carried out in time.Such as breakthrough can be designated 0 by breakthrough mark unit 124, and normal sampled point is designated 1；Or breakthrough is designated 1, normal sampled point is designated 0, can clearly breakthrough and normal sampled point be made a distinction.Or can also adopt other modes that breakthrough and normal sampled point are identified, breakthrough and normal sampled point can be made a distinction in a word.
The seepage detection system of the vertical seepage control film of the present embodiment, the electromotive force collected for electromotive force collecting unit by seepage supervising device is analyzed, and confirms the position of breakthrough and carries out the drafting of breakthrough scattergram.In the process laying vertical seepage control film, the electromotive force on vertical seepage control film surface can be acquired, and determine whether vertical seepage control film exists seepage according to the electromotive force gathered.Compared with the damaged method that the resistance electrometer method of prior art detects vertical seepage control film, the technical scheme of the present embodiment, leak detection can be carried out, it is possible to avoid working the mischief to surrounding and people, it is possible to play certain environment protecting in the process laying vertical seepage control film.And the seepage detection system of the vertical seepage control film of the present embodiment, simple in construction, easy to operate, detection efficiency is very high.
Fig. 5 is the structural representation of the seepage detection system embodiment two of this utility model vertical seepage control film, as it is shown in figure 5, the seepage detection system of the vertical seepage control film of the present embodiment also includes: fixed support 13.This fixed support 13 is mainly used in fixed vertical antiseepage film 15 and electromotive force harvester 11.Before preparing to lay vertical seepage control film 15, first use snap-lock on fixed support 13 vertical seepage control film 15, then electromotive force harvester 11 is fixed on the bottom of fixed support 13, and wherein, this fixed support 13 is for the detecting electrode 113 in fixed potential harvester 11 and current electrode 112.Preferred scheme is, one piece of current electrode 112 and detecting electrode 113 are positioned at the side of vertical seepage control film 15, and another block current electrode 112 is positioned at the opposite side of vertical seepage control film 15.As it is shown in figure 5, the present embodiment provide the signal source 111 of signal to be arranged on fixed support 13 for current electrode 112, so can ensure that signal source 11 is apart from enough near of current electrode 112, thus ensureing the stability of power supply signal.The signal source 111 of the present embodiment is also ac signal, and parameter area, with reference to the record of above-mentioned related embodiment, does not repeat them here.As it is shown in figure 5, the signal gathering unit 114 of the present embodiment can also be arranged on fixed support 13, so in use, signal source 111 and signal gathering unit 114 all can be followed at the bottom of the hole that fixed support arrives garbage loading embeading hole for 13 times, realize leak detection.The seepage supervising device 12 of the present embodiment, independent of fixed support 13, can be placed on the horizontal plane outside garbage loading embeading hole during use.Seepage supervising device 12 electrically connects with signal gathering unit 114, in order to the electromotive force of collection is transferred to seepage supervising device 12 by signal gathering unit 114.In practical application, signal source 111 and signal gathering unit 114 can also be arranged independent of fixed support 13, for instance can be arranged near seepage supervising device 12, or be set together with seepage supervising device 12.
In addition, it is necessary to illustrate, signal source 111 and signal gathering unit 114 need outside to control its work, for instance specifically can carry out opening and closedown of control signal source 111 and signal gathering unit 114 by a control panel.For convenience, as it is shown in figure 5, in the present embodiment, control panel and seepage supervising device 12 are set together, specifically can opening and closedown by seepage supervising device 12 control signal source 111 and signal gathering unit 114.
Owing to the seepage detection system of the vertical seepage control film of the present embodiment is, in the process laying vertical seepage control film 15, vertical seepage control film 15 is carried out leakage detection, this fixed support 13 needs to be transported to vertical seepage control film 15 at the bottom of the hole of waste pit to lay.Specifically, can adopt transmission mechanism by below fixed support 13 at the bottom of the hole of waste pit, when arriving the end, hole, the snap close of contact vertical seepage control film 15, make when fixed support 13 rises, vertical seepage control film 15 can be relatively fixed support 13, falling, laying thus realizing vertical seepage control film 15 from fixed support 13.The seepage detection system of the vertical seepage control film of the present embodiment, in the detection to vertical seepage control film 15, namely occurs when fixed support 13 rises, in the process that vertical seepage control film 15 comes off from fixed support 13.
Specifically, fixed support 13 is provided with hinge, and controls the lifting of fixed support 13 by controlling hinge slip.When needs start vertical seepage control film is laid time, it is pre-installed in the parts on fixed support 13, and slowly falls into the end, hole together along with fixed support 13 by hinge.Then, first the vertical seepage control film 15 fixed is released snap close with support 113, by the control of hinge, fixed support 13 drives parts mounted thereto slowly to rise, now start to detect work, opening of seepage supervising device 12 control signal source 111 and signal gathering unit 114, detecting electrode 113 gathers the electromotive force of each sampled point of vertical seepage control film 15, it is transferred to signal gathering unit 114, the data received are uploaded to seepage supervising device 12 by signal gathering unit 114, seepage supervising device 12 makes decisions and draws breakthrough scattergram according to the electromotive force gathered, after one piece of vertical seepage control film 15 has been detected, fixed support 13 continues to drive to earth's surface, carry out the detection of next block vertical seepage control film 15.
The seepage detection system of the vertical seepage control film of the present embodiment, by being fixed on current electrode, detecting electrode and vertical seepage control film on fixed support.In the process laying vertical seepage control film, the electromotive force on vertical seepage control film surface can be acquired, and determine whether vertical seepage control film exists seepage according to the electromotive force gathered.Compared with the damaged method that the resistance electrometer method of prior art detects vertical seepage control film, the technical scheme of the present embodiment, leak detection can be carried out, it is possible to avoid working the mischief to surrounding and people, it is possible to play certain environment protecting in the process laying vertical seepage control film.And the seepage detection system of the vertical seepage control film of the present embodiment, simple in construction, easy to operate, detection efficiency is very high.
Fig. 6 is the flow chart of the leakage detection method embodiment of this utility model vertical seepage control film, as shown in Figure 6, the leakage detection method of the vertical seepage control film of the present embodiment, specifically may include steps of:
101, electromotive force harvester gathers the electromotive force on vertical seepage control film surface；
102, the electromotive force that seepage supervising device gathers according to electromotive force harvester, it is determined that whether vertical seepage control film exists seepage.
In the process laying vertical seepage control film, it is necessary to the tightness of vertical seepage control film is detected.First the detecting electrode in electromotive force harvester determines sampled point, then gathering the electromotive force on each sampled point correspondence vertical seepage control film surface, then the electromotive force on the vertical seepage control film surface that seepage supervising device collects according to electromotive force harvester determines whether vertical seepage control film exists seepage.
The leakage detection method of the vertical seepage control film of the present embodiment, it is specifically as follows the using method of the seepage detection system of the vertical seepage control film of above-mentioned embodiment illustrated in fig. 1, the realization mechanism of the seepage detection system implementing the vertical seepage control film of machine-processed and above-mentioned embodiment illustrated in fig. 1 is identical, with reference to the record of above-mentioned embodiment illustrated in fig. 1, can also not repeat them here in detail.
The leakage detection method of the vertical seepage control film of the present embodiment, the electromotive force on vertical seepage control film surface is gathered by electromotive force harvester, the electromotive force that seepage supervising device gathers according to electromotive force harvester, determine whether vertical seepage control film exists seepage, in the process laying vertical seepage control film, the electromotive force on vertical seepage control film surface can be acquired, and determine whether vertical seepage control film exists seepage according to the electromotive force gathered.Compared with the damaged method that the resistance electrometer method of prior art detects vertical seepage control film, the technical scheme of the present embodiment, leak detection can be carried out, it is possible to avoid working the mischief to surrounding and people, it is possible to play certain environment protecting in the process laying vertical seepage control film.And the leakage detection method of the vertical seepage control film of the present embodiment, simple in construction, easy to operate, detection efficiency is very high.
Further, the step 101 " electromotive force on electromotive force harvester collection vertical seepage control film surface " in above-described embodiment, specifically may include that electromotive force harvester gathers the electromotive force of each sampled point on vertical seepage control film surface.When, in the process laying vertical seepage control film, when electromotive force harvester starts to gather electromotive force, the electromotive force of each sampled point on vertical seepage control film surface is detected by the detecting electrode in electromotive force harvester.Such as specifically, it is possible to adopt the electromotive force that the electromotive force harvester shown in above-mentioned Fig. 2-Fig. 3 realizes each sampled point to vertical seepage control film surface to be acquired, be referred to the relevant record of above-mentioned Fig. 2-embodiment illustrated in fig. 3 in detail, do not repeat them here.
Further, step 102 " electromotive force that seepage supervising device gathers according to electromotive force harvester; determine whether vertical seepage control film exists seepage " in above-described embodiment, specifically may include that the seepage supervising device electromotive force according to each sampled point, it is determined that electromotive force abnormal area；Seepage supervising device is in electromotive force abnormal area, it is determined that the sampled point maximum with the potential change meansigma methods of the sampled point of arest neighbors is breakthrough.Such as specifically, it is possible to adopt the electromotive force that the electromotive force harvester shown in above-mentioned Fig. 2-Fig. 3 realizes each sampled point to vertical seepage control film surface to be acquired, be referred to the relevant record of above-mentioned Fig. 2-embodiment illustrated in fig. 3 in detail, do not repeat them here.
When electromotive force harvester starts to detect electromotive force time, seepage supervising device proceeds by monitoring.Wherein, the electromotive force that the potentiometric analysis unit in seepage supervising device gets according to electromotive force acquiring unit is analyzed, it is determined that electromotive force abnormal area.The method determining electromotive force abnormal area is, the data of 3 sampled points are closed on according to each sampled point, time wherein without leak source, electromotive force is evenly distributed state, when there being leak source, leak source point source have impact on Potential Distributing around, by potential value is compared obtain rate of change exceed predetermined threshold value such as 25% time, it is believed that sampled potentials value is abnormal, is breakthrough position.
Further, the leakage detection method of the vertical seepage control film of the present embodiment, after step " determining that the minimum sampled point of the potential change meansigma methods of the sampled point with arest neighbors is breakthrough ", can also include: seepage supervising device is in the potential profile that vertical seepage control film is corresponding, breakthrough is adopted with normal sampled point different mark marks, obtains breakthrough scattergram；And show breakthrough scattergram.
Specifically, breakthrough in seepage supervising device determines that unit will determine the position of breakthrough, then it is identified by breakthrough mark unit, obtain breakthrough scattergram, via display unit, the breakthrough scattergram completed is shown, breakthrough is adopted with normal sampled point different mark marks.So, operator are according to breakthrough scattergram, it is possible to find out whether there is breakthrough with being apparent from；If existing, remedial efforts just can be carried out in time.
The technical scheme of the present embodiment, compared with the damaged method that the resistance electrometer method of prior art detects vertical seepage control film, the technical scheme of leak detection the present embodiment can be carried out in the process laying vertical seepage control film, can avoid working the mischief to surrounding and people, it is possible to play certain environment protecting.And the leakage detection method of the present embodiment, simple in construction, easy to operate, detection efficiency is very high.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program upon execution, performs to include the step of above-mentioned each embodiment of the method；And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.
Device embodiment described above is merely schematic, the unit wherein illustrated as separating component can be or may not be physically separate, the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed at least two NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.Those of ordinary skill in the art, when not paying performing creative labour, are namely appreciated that and implement.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model.
Claims (4)
1. the seepage detection system of a vertical seepage control film, it is characterised in that include electromotive force harvester and seepage supervising device, described electromotive force harvester and the electrical connection of described seepage supervising device；
The electromotive force on the vertical seepage control film surface of described electromotive force harvester collection is sent to described seepage supervising device via electrical connection；
Described electromotive force harvester includes: signal source, current electrode, detecting electrode and signal gathering unit；
Described current electrode includes the first current electrode and the second current electrode, and described first current electrode be arranged in parallel with described second current electrode, and is connected with two signal output parts of described signal source respectively by service cable；Described signal source provides alternating signal for described current electrode；
Described detecting electrode is positioned at the centre of described first current electrode and described second current electrode, and parallel with described second current electrode with described first current electrode；Described detecting electrode electrically connects with described signal gathering unit；Described detecting electrode, for detecting the electromotive force being perpendicular to the described vertical seepage control film surface that described detecting electrode is placed；And the electromotive force detected is transferred to described signal gathering unit；
The shape of described first current electrode and the second current electrode is strip；And what described first current electrode and described second current electrode were made up of corrosion resistant conducting metal.
2. the seepage detection system of vertical seepage control film according to claim 1, it is characterised in that the sample frequency of described detecting electrode is 40kHz～60kHz；Described signal source frequency ranges for 1Hz～30Hz；
The voltage range of described signal source is 10Vpp～60Vpp；
The current range of described signal source is 100mA～1mA.
3. the seepage detection system of vertical seepage control film according to claim 1 and 2, it is characterized in that, described detecting electrode includes support bar and the one group of detection pole being arranged on described support bar, and each described detection pole is perpendicular to described support bar, near described vertical seepage control film surface；Described support bar is parallel with described first current electrode and described second current electrode；Each described detection pole is connected with described signal gathering unit by cable, is transferred to described signal gathering unit with the described electromotive force of each sampled point that each described detection on described vertical seepage control film surface is extremely corresponding；Each described detection pole in described one group of detection extremely is equally distributed；Further, adjacent in the described one group of detection extremely distance between described detection pole is 10～20 centimetres.
4. the seepage detection system of vertical seepage control film according to claim 3, it is characterised in that the seepage detection system of described vertical seepage control film also includes: fixed support；
Described fixed support is used for fixing described detecting electrode and described current electrode, and described detecting electrode and described current electrode are positioned at described support bracket fastened bottom；
Described fixed support is provided with hinge, slides by controlling described hinge, it is possible to control the lifting of described fixed support.
Priority Applications (1)
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| CN201520669907.7U CN205404350U (en) | 2015-08-31 | 2015-08-31 | Prevent osmosis membrane's leakage detection system perpendicularly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768681A (en) * | 2016-11-29 | 2017-05-31 | 武汉地大物探遥感有限公司 | A kind of refuse landfill monitoring of leakage system based on Internet of Things |
| CN116499661A (en) * | 2023-04-23 | 2023-07-28 | 华北有色工程勘察院有限公司 | Device and method for detecting leakage points of vertically paved high-resistance impermeable film |
-
2015
- 2015-08-31 CN CN201520669907.7U patent/CN205404350U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768681A (en) * | 2016-11-29 | 2017-05-31 | 武汉地大物探遥感有限公司 | A kind of refuse landfill monitoring of leakage system based on Internet of Things |
| CN116499661A (en) * | 2023-04-23 | 2023-07-28 | 华北有色工程勘察院有限公司 | Device and method for detecting leakage points of vertically paved high-resistance impermeable film |
| CN116499661B (en) * | 2023-04-23 | 2024-01-26 | 华北有色工程勘察院有限公司 | Device and method for detecting leakage points of vertically paved high-resistance impermeable film |
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