CN102749117B - Full-automatic measuring instrument and measuring method for spraying water quantity of underground engineering roadway top plate - Google Patents

Full-automatic measuring instrument and measuring method for spraying water quantity of underground engineering roadway top plate Download PDF

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Publication number
CN102749117B
CN102749117B CN201210246233.0A CN201210246233A CN102749117B CN 102749117 B CN102749117 B CN 102749117B CN 201210246233 A CN201210246233 A CN 201210246233A CN 102749117 B CN102749117 B CN 102749117B
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CN
China
Prior art keywords
trickle
chip microcomputer
receiving vessel
timing
spraying water
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Application number
CN201210246233.0A
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Chinese (zh)
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CN102749117A (en
Inventor
李术才
李鹏
张霄
李海燕
李召峰
杨腾
王倩
张章一
胡雁蓉
于海洋
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山东大学
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Priority to CN201210246233.0A priority Critical patent/CN102749117B/en
Publication of CN102749117A publication Critical patent/CN102749117A/en
Application granted granted Critical
Publication of CN102749117B publication Critical patent/CN102749117B/en

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Abstract

The invention discloses a full-automatic measuring instrument and a measuring method for the spraying water quantity of an underground engineering roadway top plate. The measuring instrument comprises a spraying water collecting container, wherein the upper end of the spraying water collecting container is connected with a receiving device; a water discharge port is arranged at the lower end of the spraying water collecting container; a pressure sensor is arranged at the bottom inside the spraying water collecting container; at least one liquid level switch is arranged at the side inside the spraying water collecting container; the measuring instrument also comprises a timing and automatic flow display device; the timing and automatic flow display device comprises a single chip microcomputer, a control panel and a display screen; and the single chip microcomputer is connected with the display screen, the control panel, the pressure sensor and the liquid level switch respectively. The measuring method comprises the steps of: collecting the spraying water of the top plate, and calculating the flow according to the volume and the time of the spraying water. With the adoption of the measuring instrument and method, the precise measurement of the spraying water of the roadway top plate is realized; the situation of large errors caused by the fact that the spraying water quantity is generally measured through estimation depending on the experience because of the lack of advanced effective instruments in the spraying water quantity measurement in mines or tunnels is changed; and the measuring instrument and method are applicable for underground engineering such as mines, tunnels and the like and are wide in applicable range.

Description

A kind of underground works back trickle amount all automatic measurement instrument and measuring method

Technical field

The present invention relates to a kind of underground works back trickle amount all automatic measurement instrument and measuring method, measuring instrument is a kind of instrument for the underground engineering survey such as tunnel, mine back trickle amount.

Background technology

The underground engineering construction causes such as the at present large long tunnel of China, subway, power station, iron ore, colliery are flourish, but prominent water burst accident occurs often, has caused a large amount of casualties and economic loss.This wherein has partly cause is that the monitoring of mine or Tunnel Seepage is not in place, cannot accurately measure crack water yield.

Back trickle is the important component part of crack, tunnel water burst, and water-outlet area is larger, and current are looser.Drench in measure of water at mine or tunnel back at present, domesticly there is no effective accurate measurement instrument device, survey crew adopts empirical method or the estimation of amateur instrument to measure more, the measuring result error drawing is larger, and therefore domestic still having very large blank aspect the trickle amount accurate measurement instrument device exploitation of tunnel.

Summary of the invention

The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of underground works back trickle amount all automatic measurement instrument is provided.

Another object of the present invention is to provide a kind of underground works back trickle amount full-automatic measuring method.

For achieving the above object, the present invention adopts following technical proposals:

A kind of underground works back trickle amount all automatic measurement instrument, it comprises trickle receiving vessel, the upper end of trickle receiving vessel connects the receiving trap to back trickle, lower end is provided with dewatering outlet, bottom in trickle receiving vessel is provided with pressure transducer, side in trickle receiving vessel is provided with at least one level switch, this measuring instrument also comprises timing and flow automatic display unit, timing and flow automatic display unit comprise single-chip microcomputer, control panel and display screen, single-chip microcomputer respectively with display screen, control panel, pressure transducer is connected with level switch.

Described receiving trap comprise be fixed on trickle receiving vessel for placing the tapered tube of scalable funnel, on tapered tube, place scalable funnel.

Described scalable funnel is made by telescopic plastic film capicitor.

Described dewatering outlet is provided with the stop valve that discharges water.Described pressure transducer is minute-pressure pressure transducer.Described level switch is explosion-proof type photoelectric liquid-level switch.Described display screen is LCD display.

Described level switch is two, and present position is that to make the volume of trickle receiving vessel be the position of 9L and 18L respectively.Described control panel is provided with " switch ", " to the 9L time ", " to the 18L time ", " flow " four buttons.

Described trickle receiving vessel is provided with spirit-leveling instrument.The preferred round spirit level of described spirit-leveling instrument.

Described trickle receiving vessel is provided with handle.

Described trickle receiving vessel is provided with the adjusting bolt of adjusting vessel level.

A kind of underground works back trickle amount full-automatic measuring method, trickle receiving vessel is collected top board trickle, in advance according to the selected trickle volume of the size of trickle amount, in the time that entering container, triggers trickle pressure transducer, pressure transducer transmits single-chip microcomputer by signal and starts timing, liquid level rises, utilize level switch to detect liquid level and rise to predetermined trickle volume, now level switch is by signal back single-chip microcomputer, single-chip microcomputer stops timing, and on display screen, automatically show timing time, again according to trickle volume and timing time calculated flow rate and be presented on display screen.

Specifically: by measuring instrument be positioned over back trickle under, by whether level of round spirit level optical viewer, if the adjusting bolt of out-of-level adjusting container bottom is proofreaied and correct, then scalable funnel is trailed and is placed on container top tapered tube, scalable funnel is trailed to a certain extent apart from the height of top board according to instrument, make funnel top be close to back, the trickle of back flows in fixed volume trickle receiving vessel by scalable funnel, now selects trickle volume according to the size of trickle amount; When top board trickle enters fixed volume trickle receiving vessel, trigger container bottom pressure transducer, the single-chip microcomputer that signal is passed in display device starts timing, in container, liquid level continues rising arrival level switch, trigger level switch by signal back single-chip microcomputer, single-chip microcomputer stops timing, automatically shows and timing time now automatically calculated flow and be presented on display screen again by single-chip microcomputer according to predetermined and timing time on display screen.

Domestic this type of full-automatic accurate measurement instrument device for top board trickle that there is no at present.

The invention has the beneficial effects as follows :

1. realized the accurate measurement of back trickle, changed in mine or tunnel pouring measure of water and adopted empirical method to estimate measurement cause error excessive present situation owing to lacking advanced effectively instrument more;

2. used micro-pressure and photoelectric sensing principle, have precision high, disturb less, the advantage such as explosion-proof;

3. adopt more advanced on the market two kinds of sensors, single-chip microcomputer and LCD display, realized the full-automation that trickle is measured;

4. funnel can directly be placed on container, easy to use, and systolic pressure volume is little at ordinary times, be easy to carry;

5. round spirit level has been installed, can have been realized levelling function, reduced measuring error, made data more accurate;

6. be applicable to the underground works such as mine, tunnel, applied widely.

Brief description of the drawings

Fig. 1 is structural representation of the present invention;

Fig. 2 is structure left view of the present invention;

Fig. 3 is structure vertical view of the present invention;

Fig. 4 is scalable funnel schematic diagram.

Wherein 1. place the tapered tube of scalable funnel, 2. round spirit level, 3. fixed volume trickle receiving vessel, 4. discharge water stop valve, 5. handle, 6. adjusting bolt, 7. minute-pressure pressure transducer, 8. explosion-proof type photoelectric liquid level sensor, 9. LCD timing and flow automatic display unit, the 10. scalable funnel of capable of regulating vessel level.

Embodiment

Below by instantiation, the present invention will be further elaborated, should be noted that following explanation is only in order to explain the present invention, does not limit its content.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of underground works back trickle amount all automatic measurement instrument, is made up of with flow automatic display unit 9, scalable funnel 10 tapered tube 11, round spirit level 2, fixed volume trickle receiving vessel 3, the stop valve 4 that discharges water, handle 5, the adjusting bolt 6 of capable of regulating vessel level, minute-pressure pressure transducer 7, explosion-proof type photoelectric liquid level sensor 8, the LCD timing of placing scalable funnel.

As shown in Figure 1, scalable funnel 10 is placed on tapered tube 1, tapered tube is welded on fixed volume trickle receiving vessel 3, minute-pressure pressure transducer 7, explosion-proof type photoelectric liquid-level switch and LCD timing are connected by wire with flow automatic display unit 9, and adjusting bolt 6, minute-pressure pressure transducer 7, photoelectric liquid-level switch and LCD timing and the flow automatic display unit 9 of round spirit level 2, handle 5, the stop valve 4 that discharges water, capable of regulating vessel level are connected on fixed volume trickle receiving vessel 3.The length and width of fixed volume trickle receiving vessel 3 are 300mm, 200mm, are highly 300mm.

As shown in Figure 1, the tapered tube 1 of placing scalable funnel is welded on fixed volume trickle receiving vessel 3, plays the effect of stablizing scalable funnel 10.

As shown in Figure 1, round spirit level 2 is fixed on fixed volume trickle receiving vessel 3 by the mode of welding, in the time placing instrument, can make instrument maintenance level by circle of reference spirit-leveling instrument 2.

As shown in Figure 1, the stop valve 4 that discharges water is connected with the pipeline that is welded on container bottom by screw thread, form dewatering outlet, measure after for bleeding off the water in container.

As shown in Figure 1, handle 5 is welded on fixed volume trickle receiving vessel 3, and container is easy to carry.

As shown in Figure 1, the adjusting bolt of adjusting vessel level is tightened on four legs of container, and circle of reference spirit-leveling instrument 2 plays the effect of the level of rectifying an instrument.

As shown in Figure 1, minute-pressure pressure transducer 7 uses screw and container floor to fix by supporting plate, and is connected with the single-chip microcomputer of flow automatic display unit 9 with LCD timing by wire.

As shown in Figure 1, explosion-proof type photoelectric liquid-level switch (being explosion-proof type photoelectric liquid level sensor 8) is threaded connection and is separately fixed at apart from container bottom 150mm, 300mm place, have 2, be connected with the single-chip microcomputer of flow automatic display unit 9 with LCD timing by wire, back diverse location trickle amount is not of uniform size, survey crew just need to be selected according to the size of trickle amount " to the 9L time " button or " to the 18L time " button, while lacking especially as trickle, will select " to the 9L time " button, guarantee can be saved time and can accurately be measured.

As shown in Figure 1, LCD timing and flow automatic display unit 9 are screwed in container front, and on panel, have " switch ", " to the 9L time ", " to the 18L time ", " flow " four buttons.The main core of this automatic display unit is a small-sized single-chip microcomputer, control panel and a LCD display, single-chip microcomputer is connected with LCD display, control panel, minute-pressure pressure transducer 7 and photoelectric liquid-level switch, complete timing and flow rate calculation function by the signal feedback of sensor, LCD display presents timing time and the flow calculating.

As shown in Figure 4, scalable funnel 10 is made by telescopic plastic film capicitor, can stretch or bending to corrugated tube as required, have simple in structure, easy to use, etc. advantage.

Underground works back trickle amount all automatic measurement instrument using method: survey crew by measuring instrument be positioned over back trickle under, by whether level of round spirit level 2 optical viewers, if the adjusting bolt of out-of-level adjustable container bottom is proofreaied and correct, then scalable funnel 10 is trailed and is placed on container top tapered tube, survey crew can trail scalable funnel 10 to a certain extent apart from the height of top board according to instrument, make funnel top be close to back, can ensure that like this situation lower roof plate trickle that wind is larger in tunnel is unlikely to be distributed to outside funnel, ensure the quality of reception.The trickle of back flows in fixed volume trickle receiving vessel 3 by scalable funnel 10, now survey crew can be selected according to the size of trickle amount " to the 9L time " button or " to the 18L time " button, while lacking especially as trickle, will select " to the 9L time " button in line with the principle of saving time, when top board trickle enters fixed volume trickle receiving vessel 3, trigger container bottom minute-pressure pressure transducer 7, the single-chip microcomputer that signal is passed in display device starts timing, in container, liquid level continues first photoelectric liquid-level switch of rising arrival, be that liquid level is while rising to apart from container floor 150mm position, trigger photoelectric liquid-level switch by signal back single-chip microcomputer, single-chip microcomputer stops timing, in LCD display, automatically show timing time, now pressing " flow " key is automatically calculated flow and is presented in LCD display according to predetermined and timing time by single-chip microcomputer again.

By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection scope of the present invention.

Claims (9)

1. a underground works back trickle amount all automatic measurement instrument, it is characterized in that, it comprises trickle receiving vessel, the upper end of trickle receiving vessel connects the receiving trap to back trickle, lower end is provided with dewatering outlet, bottom in trickle receiving vessel is provided with pressure transducer, side in trickle receiving vessel is provided with at least one level switch, this measuring instrument also comprises timing and flow automatic display unit, timing and flow automatic display unit comprise single-chip microcomputer, control panel and display screen, single-chip microcomputer respectively with display screen, control panel, pressure transducer is connected with level switch, described pressure transducer is minute-pressure pressure transducer, described level switch is explosion-proof type photoelectric liquid-level switch, described display screen is LCD display.
2. underground works back trickle amount all automatic measurement instrument as claimed in claim 1, is characterized in that, described receiving trap comprise be fixed on trickle receiving vessel for placing the tapered tube of scalable funnel, on tapered tube, place scalable funnel.
3. underground works back trickle amount all automatic measurement instrument as claimed in claim 2, is characterized in that, described scalable funnel is made by telescopic plastic film capicitor.
4. underground works back trickle amount all automatic measurement instrument as claimed in claim 1, it is characterized in that, described level switch is two, present position is that to make the volume of trickle receiving vessel be the position of 9L and 18L respectively, and described control panel is provided with " switch ", " to the 9L time ", " to the 18L time ", " flow " four buttons.
5. underground works back trickle amount all automatic measurement instrument as claimed in claim 1, is characterized in that, described trickle receiving vessel is provided with spirit-leveling instrument.
6. underground works back trickle amount all automatic measurement instrument as claimed in claim 1, is characterized in that, described trickle receiving vessel is provided with handle.
7. underground works back trickle amount all automatic measurement instrument as claimed in claim 1, is characterized in that, described trickle receiving vessel is provided with the adjusting bolt of adjusting vessel level.
8. a underground works back trickle amount full-automatic measuring method, it is characterized in that, trickle receiving vessel is collected top board trickle, in advance according to the selected trickle volume of the size of trickle amount, in the time that entering container, triggers trickle pressure transducer, pressure transducer transmits single-chip microcomputer by signal and starts timing, liquid level rises, utilize level switch to detect liquid level and rise to predetermined trickle volume, now level switch is by signal back single-chip microcomputer, single-chip microcomputer stops timing, and on display screen, automatically show timing time, again according to trickle volume and timing time calculated flow rate and be presented on display screen.
9. method as claimed in claim 8, it is characterized in that, by measuring instrument be positioned over back trickle under, by whether level of round spirit level optical viewer, if the adjusting bolt of out-of-level adjusting container bottom is proofreaied and correct, then scalable funnel is trailed and is placed on container top tapered tube, scalable funnel is trailed to a certain extent apart from the height of top board according to instrument, make funnel top be close to back, the trickle of back flows in fixed volume trickle receiving vessel by scalable funnel, now select trickle volume according to the size of trickle amount, when top board trickle enters fixed volume trickle receiving vessel, trigger container bottom pressure transducer, the single-chip microcomputer that signal is passed in display device starts timing, in container, liquid level continues rising arrival level switch, trigger level switch by signal back single-chip microcomputer, single-chip microcomputer stops timing, automatically shows and timing time now automatically calculated flow and be presented on display screen again by single-chip microcomputer according to predetermined and timing time on display screen.
CN201210246233.0A 2012-07-16 2012-07-16 Full-automatic measuring instrument and measuring method for spraying water quantity of underground engineering roadway top plate CN102749117B (en)

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Application Number Priority Date Filing Date Title
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CN102749117B true CN102749117B (en) 2014-06-18

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103674805B (en) * 2013-12-02 2016-08-17 交通运输部公路科学研究所 A kind of pavement seepage standard set-up and pavement seepage coefficient metering method
CZ305696B6 (en) * 2014-03-14 2016-02-10 Česká Geologická Služba Method of measuring ingress of water, particularly in underground workings and apparatus for making the same and apparatus for making the same
CN103940474A (en) * 2014-04-30 2014-07-23 山东大学 Columnar water inflow measuring device for tunnel and mine engineering
CN105467153A (en) * 2015-12-31 2016-04-06 中国电建集团贵阳勘测设计研究院有限公司 Method for measuring dam body seepage velocity and measuring cup
CN106932033A (en) * 2017-03-03 2017-07-07 山东大学 A kind of portable tunnel column water burst measuring device and method
CN107505447A (en) * 2017-09-01 2017-12-22 贵州遵义铭东商贸有限公司 A kind of measurement apparatus for being used to simulate mine roof water drenching amount

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CN101339066A (en) * 2008-08-27 2009-01-07 南京南瑞集团公司 Large dam seepage quantity high precision flow gauge
CN101349583A (en) * 2008-06-24 2009-01-21 兰州理工大学 Method and device for measuring non-stationary flow of tiny flow
CN102012246A (en) * 2010-09-25 2011-04-13 中国科学院广州地球化学研究所 Device for measuring in-situ flow rate change of marine cold seep gas seepage
CN202126289U (en) * 2011-06-17 2012-01-25 西安飞豹科技发展公司 Natural gas leakage in-situ flow rate detection device for gas collection method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101349583A (en) * 2008-06-24 2009-01-21 兰州理工大学 Method and device for measuring non-stationary flow of tiny flow
CN101339066A (en) * 2008-08-27 2009-01-07 南京南瑞集团公司 Large dam seepage quantity high precision flow gauge
CN102012246A (en) * 2010-09-25 2011-04-13 中国科学院广州地球化学研究所 Device for measuring in-situ flow rate change of marine cold seep gas seepage
CN202126289U (en) * 2011-06-17 2012-01-25 西安飞豹科技发展公司 Natural gas leakage in-situ flow rate detection device for gas collection method

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