CN201867223U - Portable acoustic water gauge - Google Patents

Portable acoustic water gauge Download PDF

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Publication number
CN201867223U
CN201867223U CN2010206250879U CN201020625087U CN201867223U CN 201867223 U CN201867223 U CN 201867223U CN 2010206250879 U CN2010206250879 U CN 2010206250879U CN 201020625087 U CN201020625087 U CN 201020625087U CN 201867223 U CN201867223 U CN 201867223U
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CN
China
Prior art keywords
cavity
circuit
steel tube
stainless
water level
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206250879U
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Chinese (zh)
Inventor
严建民
林家彬
余刚
韦金河
虞利俊
罗克勇
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Jiangsu Academy of Agricultural Sciences
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Jiangsu Academy of Agricultural Sciences
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Priority to CN2010206250879U priority Critical patent/CN201867223U/en
Application granted granted Critical
Publication of CN201867223U publication Critical patent/CN201867223U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a portable acoustic water gauge comprising a tapeline and a probe, wherein a main body of the probe comprises an upper fixed mount, a lower fixed sealing mount and a stainless steel tube; an upper opening and a lower opening of the stainless steel tube are sealed by the upper fixed mount and the lower fixed sealing mount so as to form a cavity in the stainless steel tube, a sounder support arranged in the cavity to divide the cavity into an upper cavity and a lower cavity, and connected batteries, circuit boards, and the like are arranged in the lower cavity; one end of an electrode is connected with a circuit in the lower cavity, and the other end is exposed outside the lower fixed sealing mount; and a magnetic power switch is arranged on the upper fixed mount to open or close the circuit. The portable acoustic water gauge changes the mode of the existing portable water gauge that water contact information of a water level electrode is transmitted to the ground and then processed to give an alarm, and achieves convenient operation, high accuracy, low cost and electricity consumption, thus being suitable for field application; and due to the clear and sonorous acoustic information of water contact, the portable acoustic water gauge can be applicable to dark and deep wells as well as noisy construction sites, thus having broader application fields.

Description

The portable audio water level gauge
Technical field
The utility model is portable dip meter device, belongs to the hydrology, water conservancy, engineering field.
Background technology
Underground water table and reservoir dam, rivers,lakes and seas water level are one of most important parameters of department such as the hydrology, water conservancy, environmental protection, geology, mine, meteorology, engineering, need water level to be carried out observed and recorded constantly, hydrologic observation point in some large-scale reservoirs, lake, have fixed water level monitoring instrument, adopts pressure sensor, keg float, laser, ultrasound wave, electric contact, mechanical automatic lifting adds various ways such as electric contact, magnetic and measures, but it is fixed that these equipment are generally, bulky, complex structure, service condition requires high.And under situation more often and more generally, in geology, the hydrology, the mine, departments such as environmental protection all are to use portable water level gauge to hydrological observation wells, geotechnical boring, well, water level is measured.In flood season, under the extreme climate condition, water conservancy, the hydrology, meteorological, departments such as reservoir also need be in the particular location, the special time adds the survey water level temporarily, at this moment just need to use volume little, in light weight, the portable water level gauge of convenient and reliable operation, past, portable water level commonly used was in respect of lining rope, survey clock, electric wire, methods such as multimeter, now the most frequently used is the portable water level gauge that tape measure adds two leads, and two electrodes of lead and measuring sonde link to each other, when two electrodes contact water simultaneously, interelectrode resistance decreasing, the instrument that links to each other with probe on the ground is just sounded or is glistened, and at this moment watches the scale of tape measure, has just known the degree of depth of water level.Because depth measurement can reach hundred meters, consider the problem of conductor resistance, also to consider in addition to pop one's head in and the deadweight of lead, so the copper core footpath can not be too thin, therefore the volume of this tape measure is bigger, use the special-purpose assorted winch could be around descending.Because each measurement all will be rolled relieving with winch, accompanies copper cash in the tape measure, pop one's head in when sagging that it just has suitable amount of deflection, promptly meter ruler can not be stretching fully, therefore can produce bigger measuring error.Repeatedly folding and unfolding, the lead in the tape measure will be stretching by bending constantly, uses a period of time lead or meter ruler to be ruptured, and the tape measure of this band lead is special, can not replace maintenance, can only repurchase newly, more than thousand yuan, and is expensive.
The utility model content
The utility model provides a kind of portable audio water level gauge, and all circuit design are installed in the probe, adopts powered battery, popping one's head in self becomes an independently system, when the electrode of probe when contacting the water surface, circuit start, send the sound of high-decibel, sound passes to ground, by observing the depth mark on the tape measure, gone out the degree of depth of water level with regard to energy measurement like this, because the design tape measure need not be carried lead secretly like this, tape measure can be reduced measuring error greatly by stretching fully during measurement.
The technical scheme that the utility model adopted is:
A kind of portable audio water level gauge comprises tape measure 1 and probe, and probe body comprises upper holder 5, following fixing seal frame 15 and stainless-steel tube 18; Upper holder 5 is connected with stainless-steel tube 18 by fixed screw 14 respectively with following fixing seal frame, and the upper and lower opening of stainless-steel tube 18 is sealed, in stainless-steel tube 18, form cavity, the sounder frame 6 that is provided with in cavity is divided into epicoele, cavity of resorption two parts with cavity, is provided with battery 11, circuit board 9 and piezoelectric ceramic piece 7 in the lower chamber; Stainless steel electrode 12 runs through following fixing seal frame 15, and an end of stainless steel electrode 12 links to each other with the circuit in the cavity of resorption, and the other end is exposed to outside the following fixing seal frame 15; O-ring seal 13 all is equipped with in the side of sounder frame 6 and following fixing seal frame 15; Magnetic power switch 20, shift bar 3 are arranged on the upper holder 5, and magnet steel 2 is installed on the shift bar 3, and shift bar 3 can serve as the axle rotation with the switch screw, starts or shut-off circuit.
Above-mentioned said circuit board is provided with music sound circuit, booster converter, amplifying circuit.
Battery in the such scheme can adopt rechargeable battery, correspondingly, charging socket is set on upper holder.
Said tape measure can adopt engineering tape measure commonly used in the such scheme, it cheap, various places can both have been bought, change also very convenient, reduced use cost, its volume weight also reduces greatly simultaneously, and overall weight is no more than 2 kilograms, a people just can measure easily, operates also very easy.
The stainless-steel tube shell preferably adopts thin wall type in the such scheme, and battery preferably is placed on the bottom of probe.Be for probe can be floated on the surface like this, avoid because measuring process in because of putting the excessive velocities of probe, electrode touches water and has just sent the very brief sound, probe is just by submerged, sounder is immersed in fully in the water and can not sounds, the operator does not find sometimes, can continue to transfer probe, causes non-productive work even probe to sink to deep water and intakes because of high hydraulic pressure.Better scheme is: the stainless-steel tube shell adopts thin wall type, and weight reduction as far as possible suitably strengthens the diameter and the length of pipe, it can be floated on the surface, the battery that weight is the heaviest is placed on the bottom of probe, and the center of gravity of probe is moved down, and increases floating degree of stability.
The utility model is an instrument of surveying water level, at any time can contact with water and in high humidity environment, use, waterproof problem is very important, not only inner sealing wants absolute good, can not there be some water to infiltrate in the circuit, the power switch that exposes etc. also must be a waterproof, and sound equipment part can not adopt normally used loudspeaker, must be the device that touches endure behind the water.Therefore, the side that is preferably in sounder frame 5 and following fixing seal frame 15 all installs the rubber o-ring sealing additional, and the filling stop-leak compound is guaranteed the reliability of circuit sealing.Sounder can not use common coil loudspeaker, can be damaged after its water inlet, we adopt the sound equipment sheet of piezoelectric ceramic type, this sound equipment sheet is that latten(-tin) and quartzy thin slice constitute, the one side of copper sheet is externally constituted sounder, it is not afraid of into water, even be immersed in the water, just can work on as long as dry.And the wall of sounder seals with rubber o-ring too, and sound can spread out of like this, and water can not enter into probe.Power switch is placed in the top of probe, because general switch is non-water-tight, meet water and the reed oxidation and rusting soon of switch in the environment of high humidity, the phenomenon that loose contact occurs, in order to be very difficult for this to happen, we have adopted fully closed magnetic tongue tube as power switch, magnetic is passed the sealed glass shell and is made the reed adhesive, conducting under the situation in magnetic field is promptly arranged, close under the situation in no magnetic field, we have installed magnet steel 2 on shift bar 3, when shift bar 3 is rotating shaft when rotating to horizontal level with switch screw 4, tongue tube 20 conductings, circuit start, circuit is closed when being screwed into the upright position, guarantees that power switch can work in a humid environment reliably.
In order to make sounder can send the more loud and clear sound, the utility model has installed step-up coil 8 additional in circuit, because piezoelectric ceramic piece 7 is high resistant devices, make impedance of circuit board amplifying circuit and piezoelectric ceramic piece 7 impedance matchings by step-up coil 8, send louder sound.Utilize stainless steel casing 11 to constitute the acoustic resonance chambeies in addition, make sound that piezoelectric ceramic piece 7 sends, allow terrestrial operation person sound louder clear along in the direction set.
It all is that the water information of touching with level electrode is sent to the mode that warning is handled on ground again that the utility model has changed present portable water level gauge, therefore saves tediously long heavy electric wire, make more convenient operation, and the accuracy of measuring is higher.The volume of complete machine and weight only are 1/5 to 1/10 of former water level gauge, and the labour intensity of relevant survey crew is descended, and Measuring Time reduces.Cost also only is about 1/10 of a former water level gauge, easilier is that the user accepts.The entire machine design novelty is careful, has taken into full account service condition, makes the possibility that in use breaks down reduce effectively.Owing to adopt general engineering tape measure, main accessory is changed easily, low price.Extremely low power consumption can be measured for a long time, suitable open-air the use.The very clear loud hygrechema that touches rings message, can both use at pitch-dark deep-well and noisy building site, makes the utility model that more wide application be arranged.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the utility model;
The 1-tape measure, 2-magnet steel, 3-shift bar, 4-switch screw, the 5-upper holder, 6-sounder frame, 7-piezoelectric ceramic piece, the 8-booster converter, 9-circuit board, 10-music sound circuit, the 11-rechargeable battery, 12-stainless steel electrode, 13-O-ring seal, the 14-fixed screw, fixing seal frame under the 15-, 16-amplifying circuit, the 18-stainless steel casing, 20-magnetic power switch, 21-charging socket.
Embodiment
As shown in Figure 1, a concrete portable audio water level gauge,, comprising tape measure 1 and probe, probe body comprises upper holder 5, following fixing seal frame 15 and stainless-steel tube 18; Upper holder 5 is connected with stainless-steel tube 18 by fixed screw 14 respectively with following fixing seal frame, and the upper and lower opening of stainless-steel tube 18 is sealed, in stainless-steel tube 18, form cavity, the sounder frame 6 that is provided with in cavity is divided into epicoele, cavity of resorption two parts with cavity, be provided with the rechargeable battery 11, circuit board 9 and the piezoelectric ceramic piece 7 that are connected in the lower chamber, comprise the music sound circuit 10, amplifying circuit 16 and the booster converter 8 that are connected on the circuit board 9; Stainless steel electrode 12 runs through following fixing seal frame 15, and an end of stainless steel electrode 12 links to each other with the circuit in the cavity of resorption, and the other end is exposed to outside the following fixing seal frame 15; O-ring seal 13 all is equipped with in the side of sounder frame 6 and following fixing seal frame 15; Magnetic power switch 20, shift bar 3 are arranged on the upper holder 5, and magnet steel 2 is installed on the shift bar 3, and shift bar 3 can serve as the axle rotation with the switch screw, starts or shut-off circuit; Also be provided with charging socket 21 on the upper holder.
Adopt the auto sleep state during measurement, promptly circuit still is in low energy consumption state behind the electric power starting, has only after stainless steel electrode touches water, entire circuit just begins to work fully, can reduce overall power consumption greatly like this, under the normal condition, fill once electricity and can use continuously two, three months.
When electrode contacts the water surface, signal is detected, and amplifies through circuit, after the impedance conversion, sends the sound by piezoelectric ceramic piece.In order to prevent that DC current from making electrode polarization, produce the phenomenon of existing loose contact, an AC signal generator can be set on circuit board, circuit adopts the mode that exchanges output, promptly high electronegative potential alternately appears in two stainless steel electrodes 12, avoid the DC current of single flow circuit to make electrode polarization the bad phenomenon of conduction occur, to prolong the term of life of electrode.

Claims (4)

1. a portable audio water level gauge comprises tape measure and probe, it is characterized in that, probe body comprises upper holder (5), following fixing seal frame (15) and stainless-steel tube (18); Upper holder (5) is connected with stainless-steel tube (18) by fixed screw (14) respectively with following fixing seal frame, and the upper and lower opening of stainless-steel tube (18) is sealed, in stainless-steel tube (18), form cavity, the sounder frame (6) that is provided with in cavity is divided into epicoele, cavity of resorption two parts with cavity, is provided with the battery (11), circuit board (9) and the piezoelectric ceramic piece (7) that are connected in the lower chamber; Stainless steel electrode (12) runs through following fixing seal frame (15), and an end of stainless steel electrode (12) links to each other with the circuit in the cavity of resorption, and the other end is exposed to outside the following fixing seal frame (15); O-ring seal (13) all is equipped with in the side of sounder frame (6) and following fixing seal frame (15); Magnetic power switch (20), shift bar (3) are arranged on the upper holder (5), and magnet steel (2) is installed on the shift bar (3), and shift bar (3) can serve as the axle rotation with the switch screw, starts or shut-off circuit.
2. portable audio water level gauge according to claim 1 is characterized in that, music sound circuit, booster converter and amplifying circuit are arranged on the said circuit board.
3. portable audio water level gauge according to claim 1 is characterized in that, piezoelectric ceramic piece (7) is fixed on the sounder frame (6).
4. portable audio water level gauge according to claim 1 is characterized in that said battery is a rechargeable battery, and probe is provided with charging socket.
CN2010206250879U 2010-11-26 2010-11-26 Portable acoustic water gauge Expired - Fee Related CN201867223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206250879U CN201867223U (en) 2010-11-26 2010-11-26 Portable acoustic water gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206250879U CN201867223U (en) 2010-11-26 2010-11-26 Portable acoustic water gauge

Publications (1)

Publication Number Publication Date
CN201867223U true CN201867223U (en) 2011-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206250879U Expired - Fee Related CN201867223U (en) 2010-11-26 2010-11-26 Portable acoustic water gauge

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CN (1) CN201867223U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115564A (en) * 2015-04-03 2015-12-02 中国电建集团贵阳勘测设计研究院有限公司 Method and device for measuring height of distance between piezometric tube level and piezometric tube orifice
CN106768161A (en) * 2016-11-11 2017-05-31 中国矿业大学(北京) Underground water level measurement method
CN113358190A (en) * 2021-05-31 2021-09-07 天水华天传感器有限公司 Water alarm liquid level transmitter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115564A (en) * 2015-04-03 2015-12-02 中国电建集团贵阳勘测设计研究院有限公司 Method and device for measuring height of distance between piezometric tube level and piezometric tube orifice
CN105115564B (en) * 2015-04-03 2018-09-25 中国电建集团贵阳勘测设计研究院有限公司 The measurement method and device of a kind of piezometric level apart from pressure-measuring pipe open height
CN106768161A (en) * 2016-11-11 2017-05-31 中国矿业大学(北京) Underground water level measurement method
CN106768161B (en) * 2016-11-11 2019-04-02 中国矿业大学(北京) Underground water level measurement method
CN113358190A (en) * 2021-05-31 2021-09-07 天水华天传感器有限公司 Water alarm liquid level transmitter

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110615

Termination date: 20111126