CN108709600A - A kind of water level monitor device of water environment treatment - Google Patents

A kind of water level monitor device of water environment treatment Download PDF

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Publication number
CN108709600A
CN108709600A CN201810549710.8A CN201810549710A CN108709600A CN 108709600 A CN108709600 A CN 108709600A CN 201810549710 A CN201810549710 A CN 201810549710A CN 108709600 A CN108709600 A CN 108709600A
Authority
CN
China
Prior art keywords
bolt
water level
control cabinet
water
alarm
Prior art date
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.)
Pending
Application number
CN201810549710.8A
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Chinese (zh)
Inventor
王兴生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Xinjiang Environmental Science And Technology Co Ltd
Original Assignee
Anhui Xinjiang Environmental Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Xinjiang Environmental Science And Technology Co Ltd filed Critical Anhui Xinjiang Environmental Science And Technology Co Ltd
Priority to CN201810549710.8A priority Critical patent/CN108709600A/en
Publication of CN108709600A publication Critical patent/CN108709600A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/04Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
    • G01F23/045Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks cleaning means therefor (e.g. dip-stick wipers)
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/0007Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring
    • G01F23/0015Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm for discrete indicating and measuring with a whistle or other sonorous signal

Abstract

The invention discloses a kind of water level monitor devices of water environment treatment,Including level measuring bar,Electric pushrod,Camera,Control cabinet,Transmitting set and alarm,The top of the electric pushrod is equipped with camera by bolt,The top of the control cabinet is equipped with alarm by bolt,Structure of the invention is scientific and reasonable,It is safe and convenient to use,When water level reaches the warning height in river,Float switch will also rise with water level,Alarm is sent out convenient for starting alarm,Be conducive to prompt staff to rush for scene and carry out the measure of aerial drainage in time,It avoids having missed the opportunity taken measures on customs clearance,The case where being spread so as to cause channel-bank slumping and flow,The bottom of under the action of sinker,The device will be fixed on placement location by positioning seat,Convenient for prevent that flow is excessive and the case where causing the device to shift,It is advantageously ensured that measuring the accuracy of water level during monitoring.

Description

A kind of water level monitor device of water environment treatment
Technical field
The present invention relates to technical field of water environment treatment, specially a kind of water level monitor device of water environment treatment.
Background technology
Water environment refers to the environment of the formation, distribution and the residing space of conversion of water in nature.Refer to surrounding crowd space And can directly or indirectly influence the water body of human lives and development, the various natural causes of normal function and it is related society because The totality of element.Also some refer to it is metastable, using land as the environment in space residing for the natural water area on boundary.At the earth's surface, Coverage of water accounts for about the 71% of earth surface product.Water is made of ocean water and two part of terrestrial water, respectively with total Water 97.28% and 2.72%.Sum-rate very little shared by the latter, and the environment in residing space is sufficiently complex.Water is in not on earth The dynamic balance state of disconnected cycle.The basic chemical composition and content of natural water reflect it and are circulated throughout in different natural environments Original physical chemical property in journey, be research water environment in element exist, migration and conversion and environmental quality (or pollution journey Degree) with the basic foundation of water quality assessment.Water environment is mainly made of surface water environment and groundwater environment two parts.Earth's surface water ring Border includes river, lake, reservoir, ocean, pond, marsh, glacier etc., and groundwater environment includes spring, phreatic water, deep layer Underground water etc..Water environment is one of fundamental of composing environment, is the important place that human society is depended on for existence and development, It is the field by Human impact and destruction most serious.The pollution and destruction of water environment have become the main environmental problem in the world today One of.
Due to industrial fast development recent years, the discharge capacity of sewage is caused to become larger, and existing many water levels Station realize it is quantitative discharge and it is unattended, need the scene of rushing for of staff frequently to observe;If when meeting heavy showers When weather, the case where water level quickly goes up is might have, phase is taken if water level conditions cannot be grasped in time and will have been missed The opportunity of pass measure, and then lead to the generation of flood.
Invention content
The present invention provides a kind of water level monitor device of water environment treatment, can effectively solve to carry in above-mentioned background technology Go out due to industrial fast development recent years, the discharge capacity of sewage is caused to become larger, and existing many gaging stations are realized Quantitative discharge and unattended, needs the scene of rushing for of staff frequently to observe;If when meeting heavy showers weather, The case where water level quickly goes up is might have, is taken measures on customs clearance if water level conditions cannot be grasped in time and will have been missed Opportunity, and then the problem of cause flood to occur.
To achieve the above object, the present invention provides the following technical solutions:Including positioning seat, bottom sinker, erecting bed, fixation Ring, mounting base, fixing bolt, level measuring bar, graduation mark, sliding slot, hydraulic stem, mounting plate, electric pushrod, camera, installation Slot, headlamp, floatage air bag, control cabinet, control button, accumulator, mounting bracket, solar energy electroplax, transmitting set, alarm Device, float switch, motor, mainshaft gear, transmission gear, lead screw, connection bearing, movable slider, connecting rod and cleaning brush, it is described The bottom inside of positioning seat is equipped with erecting bed by being installed by welding with bottom sinker, the top of the positioning seat by bolt, institute The top of erecting bed is stated by being installed by welding with fixed ring, the top of the erecting bed is described by being installed by welding with mounting base The top of mounting base is equipped with level measuring bar by fixing bolt, and the side of the level measuring bar is equipped with graduation mark, described The both sides of level measuring bar are equipped with mounting plate by sliding slot, and the bottom inside of the sliding slot is equipped with hydraulic stem by bolt, The top of the mounting plate is equipped with electric pushrod by bolt, and the top of the electric pushrod is equipped with camera shooting by bolt Head offers mounting groove at the top of the mounting plate, and the inside of the mounting groove is screwed with headlamp, the bottom of the mounting plate Floatage air bag is installed by bolt, the top of the level measuring bar is equipped with control cabinet by bolt, the control cabinet Side insertion is equipped with control button, and the inside of the control cabinet is equipped with accumulator, the top of the control cabinet by bolt Solar energy electroplax is installed by mounting bracket, the top of the control cabinet is equipped with transmitting set, the control by bolt The top of case processed is equipped with alarm by bolt, and the side of the level measuring bar is equipped with float switch by bolt, institute The bottom for stating control cabinet is equipped with motor by bolt, and mainshaft gear, the main shaft tooth are equipped on the output shaft of the motor The both sides of wheel are correspondingly provided with transmission gear, and the inside of the transmission gear is equipped with lead screw, and the bottom of the lead screw passes through connection Bearing is connect with erecting bed, and movable slider is screwed on the outside of the lead screw, and the side of the movable slider is installed by bolt There are connecting rod, the side of the connecting rod that cleaning brush is installed by bolt, the output end of the solar energy electroplax is electrically connected The input terminal of accumulator, the output end of the float switch are electrically connected the input terminal of alarm, the control button it is defeated Outlet is electrically connected the input terminal of hydraulic stem, camera, headlamp, transmitting set, alarm and motor, and the control is pressed The input terminal of button is electrically connected the output end of accumulator and alternating current.
Preferably, it is bolted between the mounting bracket and control cabinet and solar energy electroplax.
Preferably, the headlamp is a kind of LED light.
Preferably, the mainshaft gear is identical with transmission gear specification.
Preferably, the bottom sinker is a kind of component of stainless steel.
Preferably, the outside of the motor is equipped with protective cover.
Preferably, the junction of the transmission gear and lead screw is by being welded to connect.
Preferably, the level measuring bar is in different length.
Compared with prior art, beneficial effects of the present invention:Structure of the invention is scientific and reasonable, safe and convenient to use:
1, when water level reaches the warning height in river, float switch will also rise with water level, be sent out convenient for starting alarm Alarm is conducive to that staff is prompted to rush for scene and carries out the measure of aerial drainage in time, avoids having missed and take measures on customs clearance Opportunity, the case where sprawling so as to cause channel-bank slumping and flow.
2, under the action of the sinker of bottom, which will be fixed on placement location by positioning seat, convenient for preventing flow excessive And the case where causing the device to shift, it is advantageously ensured that measuring the accuracy of water level during monitoring.
3, when the surface of level measuring bar has depended on sundries, motor can be started at this time to drive lead screw so that activity is sliding Block slides up and down, and is convenient to clean the case where brush is cleared up to the surface of level measuring bar, graduation mark is avoided to be blocked by sundries and sends out It is raw, be conducive to the specific height for confirming water level.
4, when imaging head fail, hydraulic stem elongation can be started to push mounting plate to rise, convenient for the later stage device Detection and repair, reduce maintenance difficulty.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 is the overall structure diagram of the present invention;
Fig. 3 is the positioning seat internal structure schematic diagram of the present invention;
Fig. 4 is the level measuring bar internal structure schematic diagram of the present invention;
Fig. 5 is the control cabinet internal structure schematic diagram of the present invention;
Figure label:1, positioning seat;2, bottom sinker;3, erecting bed;4, fixed ring;5, mounting base;6, fixing bolt;7, water level is surveyed Gauge rod;8, graduation mark;9, sliding slot;10, hydraulic stem;11, mounting plate;12, electric pushrod;13, camera;14, mounting groove;15, Headlamp;16, floatage air bag;17, control cabinet;18, control button;19, accumulator;20, mounting bracket;21, solar energy electroplax; 22, transmitting set;23, alarm;24, float switch;25, motor;26, mainshaft gear;27, transmission gear;28, silk Bar;29, bearing is connected;30, movable slider;31, connecting rod;32, cleaning brush.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment:As shown in Figs. 1-5, the present invention provides a kind of technical solution, a kind of monitoring water level of water environment treatment Device, including positioning seat 1, bottom sinker 2, erecting bed 3, fixed ring 4, mounting base 5, fixing bolt 6, level measuring bar 7, graduation mark 8, sliding slot 9, hydraulic stem 10, mounting plate 11, electric pushrod 12, camera 13, mounting groove 14, headlamp 15, floatage air bag 16, control Case 17 processed, control button 18, accumulator 19, mounting bracket 20, solar energy electroplax 21, transmitting set 22, alarm 23, floating ball Switch 24, motor 25, mainshaft gear 26, transmission gear 27, lead screw 28, connection bearing 29, movable slider 30, connecting rod 31 and clear Reason brush 32, the bottom inside of positioning seat 1 is equipped with installation by being installed by welding with bottom sinker 2, the top of positioning seat 1 by bolt Pacified by being installed by welding with mounting base 5 by being installed by welding with fixed ring 4, the top of erecting bed 3 at the top of platform 3, erecting bed 3 The top for filling seat 5 is equipped with level measuring bar 7 by fixing bolt 6, and the side of level measuring bar 7 is equipped with graduation mark 8, and water level is surveyed The both sides of gauge rod 7 are equipped with mounting plate 11 by sliding slot 9, and the bottom inside of sliding slot 9 is equipped with hydraulic stem 10 by bolt, installation The top of plate 11 is equipped with electric pushrod 12 by bolt, and the top of electric pushrod 12 is equipped with camera 13 by bolt, peace The top of loading board 11 offers mounting groove 14, and the inside of mounting groove 15 is screwed with headlamp 15, and the bottom of mounting plate 11 passes through spiral shell Bolt is equipped with floatage air bag 16, and the top of level measuring bar 7 is equipped with control cabinet 17, the side insertion of control cabinet 17 by bolt Control button 18 is installed, the inside of control cabinet 17 is equipped with accumulator 19 by bolt, and the top of control cabinet 17 passes through installation Frame 20 is equipped with solar energy electroplax 21, and the top of control cabinet 17 is equipped with transmitting set 22 by bolt, control cabinet 17 Top is equipped with alarm 23 by bolt, and the side of level measuring bar 7 is equipped with float switch 24, control cabinet 17 by bolt Bottom motor 25 is equipped with by bolt, mainshaft gear 26, the both sides of mainshaft gear 26 are installed on the output shaft of motor 25 Be correspondingly provided with transmission gear 27, the inside of transmission gear 27 is equipped with lead screw 28, the bottom of lead screw 28 by connect bearing 29 with Erecting bed 3 connects, and the outside of lead screw 28 is screwed with movable slider 30, and the side of movable slider 30 is equipped with connecting rod by bolt 31, the side of connecting rod 31 is equipped with cleaning brush 32 by bolt, and the output end of solar energy electroplax 21 is electrically connected accumulator 19 Input terminal, the output end of float switch 24 is electrically connected the input terminal of alarm 23, and the output end of control button 18 is electrical The input terminal of hydraulic stem 10, camera 13, headlamp 15, transmitting set 22, alarm 23 and motor 25 is connected, control is pressed The input terminal of button 18 is electrically connected the output end of accumulator 19 and alternating current.
For the ease of the installation and removal between mounting bracket 20 and control cabinet 17 and solar energy electroplax 21, be conducive to the later stage It detects and repairs, in the present embodiment, it is preferred that connected by bolt between mounting bracket 20 and control cabinet 17 and solar energy electroplax 21 It connects.
For the ease of saving the loss of the energy, in the present embodiment, it is preferred that headlamp 15 is a kind of LED light.
For the ease of ensuring the synchronism of 27 rotating speed of mainshaft gear 26 and transmission gear, in the present embodiment, it is preferred that main shaft Gear 26 is identical with 27 specification of transmission gear.
For the ease of avoiding bottom sinker 2 from being corroded by water body, in the present embodiment, it is preferred that bottom sinker 2 is a kind of stainless steel The component of matter.
Enter in motor 25 for the ease of anti-water-stop body, influence the service life in its later stage, in the present embodiment, it is preferred that The outside of motor 25 is equipped with protective cover.
For the ease of ensuring stability that transmission gear 27 and lead screw 28 connect, in the present embodiment, it is preferred that transmission gear By being welded to connect between 27 and lead screw 28.
For the ease of selecting the length of level measuring bar 7 according to the depth in river, in the present embodiment, it is preferred that water level is surveyed Gauge rod 7 is in different length.
The operation principle and process for using of the present invention:In use, first selecting suitable length according to the depth capacity in river Level measuring bar 7, then level measuring bar 7 is mounted on by fixing bolt 6 in the mounting base 5 at 3 top of erecting bed, installation is complete Afterwards, among which being placed into river, under the effect of bottom sinker 2, which will be fixed on placement location by positioning seat 1 River bed;Meanwhile can be attached with rope and fixed ring 4, then the other end of rope is fixed with riverbank, convenient for the dress It sets and is further fixed, to prevent flow excessive the case where causing the device to shift;When daytime, too Positive energy battery plate 21 will be stored in after solar energy being converted into electric energy in accumulator 19, convenient for reducing damage of the device to electric energy Consumption, saves monitoring cost;Meanwhile under the action of floatage air bag 16, mounting plate 11 will rise with the height of water level Or decline, and transmitting set 22 will be transmitted to the real time water level picture that camera 13 takes in monitoring room, night Between when, operable control button 18 starts headlamp 15 and is illuminated, and can slap in time convenient for the staff of monitoring room Hold live water level conditions;When water level reaches the warning height in river, float switch 24 will also rise with water level, meanwhile, it floats Ball switch 24 sends out alarm by alarm 23 is started, and rushes for scene convenient for prompt staff and carries out the measure of aerial drainage in time, The case where avoiding having missed the opportunity taken measures on customs clearance, having spread so as to cause channel-bank slumping and flow;Work as water level decreasing When, the surface that some shellfishes, sundries or moss are attached to level measuring bar 7 is might have, graduation mark 8 is caused to be blocked , motor 25 can be started at this time to drive mainshaft gear 26, mainshaft gear 26 will by 27 synchronous drive lead screw 28 of transmission gear, So that movable slider 30 slides up and down, the surface for being convenient to clean 32 pairs of level measuring bars 7 of brush is cleared up;When camera 13 occurs When failure, the elongation of hydraulic stem 10 can be started, and then mounting plate 11 is pushed to rise, be convenient for the detection and repair in the device later stage.
Finally it should be noted that:The foregoing is merely the preferred embodiments of the present invention, are not intended to restrict the invention, to the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.It is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the present invention Within the scope of shield.

Claims (8)

1. a kind of water level monitor device of water environment treatment, including positioning seat(1), bottom sinker(2), erecting bed(3), fixed ring (4), mounting base(5), fixing bolt(6), level measuring bar(7), graduation mark(8), sliding slot(9), hydraulic stem(10), mounting plate (11), electric pushrod(12), camera(13), mounting groove(14), headlamp(15), floatage air bag(16), control cabinet(17), control Button processed(18), accumulator(19), mounting bracket(20), solar energy electroplax(21), transmitting set(22), alarm(23), Float switch(24), motor(25), mainshaft gear(26), transmission gear(27), lead screw(28), connection bearing(29), activity it is sliding Block(30), connecting rod(31)And cleaning brush(32), it is characterised in that:The positioning seat(1)Bottom inside pass through weld installation There is bottom sinker(2), the positioning seat(1)Top erecting bed is equipped with by bolt(3), the erecting bed(3)Top it is logical It crosses and is installed by welding with fixed ring(4), the erecting bed(3)Top by being installed by welding with mounting base(5), the mounting base (5)Top pass through fixing bolt(6)Level measuring bar is installed(7), the level measuring bar(7)Side be equipped with graduation mark (8), the level measuring bar(7)Both sides pass through sliding slot(9)Mounting plate is installed(11), the sliding slot(9)Bottom inside Hydraulic stem is installed by bolt(10), the mounting plate(11)Top electric pushrod is equipped with by bolt(12), described Electric pushrod(12)Top camera is equipped with by bolt(13), the mounting plate(11)Top offer mounting groove (14), the mounting groove(15)Inside be screwed with headlamp(15), the mounting plate(11)Bottom be equipped with by bolt Floatage air bag(16), the level measuring bar(7)Top control cabinet is equipped with by bolt(17), the control cabinet(17)'s Side insertion is equipped with control button(18), the control cabinet(17)Inside accumulator is equipped with by bolt(19), described Control cabinet(17)Top pass through mounting bracket(20)Solar energy electroplax is installed(21), the control cabinet(17)Top pass through spiral shell Bolt is equipped with transmitting set(22), the control cabinet(17)Top alarm is equipped with by bolt(23), the water Position measuring rod(7)Side float switch is equipped with by bolt(24), the control cabinet(17)Bottom installed by bolt There is motor(25), the motor(25)Output shaft on mainshaft gear is installed(26), the mainshaft gear(26)Both sides pair Transmission gear should be equipped with(27), the transmission gear(27)Inside lead screw is installed(28), the lead screw(28)Bottom it is logical Cross connection bearing(29)With erecting bed(3)Connection, the lead screw(28)Outside be screwed with movable slider(30), described movable sliding Block(30)Side connecting rod is equipped with by bolt(31), the connecting rod(31)Side cleaning brush is equipped with by bolt (32), the solar energy electroplax(21)Output end be electrically connected accumulator(19)Input terminal, the float switch(24)'s Output end is electrically connected alarm(23)Input terminal, the control button(18)Output end be electrically connected hydraulic stem (10), camera(13), headlamp(15), transmitting set(22), alarm(23)And motor(25)Input terminal, it is described Control button(18)Input terminal be electrically connected accumulator(19)With the output end of alternating current.
2. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the mounting bracket (20)With control cabinet(17)And solar energy electroplax(21)Between be bolted.
3. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the headlamp (15)For a kind of LED light.
4. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the main shaft tooth Wheel(26)And transmission gear(27)Specification is identical.
5. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the bottom sinker (2)For a kind of component of stainless steel.
6. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the motor (25)Outside be equipped with protective cover.
7. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the driving cog Wheel(27)With lead screw(28)Junction by being welded to connect.
8. a kind of water level monitor device of water environment treatment according to claim 1, which is characterized in that the water level is surveyed Gauge rod(7)In different length.
CN201810549710.8A 2018-05-31 2018-05-31 A kind of water level monitor device of water environment treatment Pending CN108709600A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810549710.8A CN108709600A (en) 2018-05-31 2018-05-31 A kind of water level monitor device of water environment treatment

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Application Number Priority Date Filing Date Title
CN201810549710.8A CN108709600A (en) 2018-05-31 2018-05-31 A kind of water level monitor device of water environment treatment

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN109282871A (en) * 2018-11-29 2019-01-29 成都文博蓉耀科技有限公司 A kind of water level monitoring device of the hydraulic engineering with auto-alarm function
CN110545304A (en) * 2018-12-20 2019-12-06 联誉信息股份有限公司 Ecological leakage flow monitoring system of hydropower station
JP2021018098A (en) * 2019-07-18 2021-02-15 中国電力株式会社 Staff gauge luminaire and water level measurement device
CN113341084A (en) * 2020-12-30 2021-09-03 烟台三合立信自动化设备有限公司 Device and method for measuring dissolved oxygen of liquid
CN114111960A (en) * 2021-11-29 2022-03-01 商丘师范学院 Self-fixing positioning device for water level gauge

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CN206990062U (en) * 2017-06-28 2018-02-09 马昆 A kind of Intelligent water level monitoring device
CN207248283U (en) * 2017-08-30 2018-04-17 秦冬余 A kind of water project management water-level detecting device
CN207351515U (en) * 2017-11-17 2018-05-11 山东职业学院 A kind of oil level display device of tractive transformer

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US20070231627A1 (en) * 2006-03-30 2007-10-04 Yachien Chung Concentration detection device and the detection method
CN202928654U (en) * 2012-09-29 2013-05-08 天津水运工程勘察设计院 Photographing type electronic water gauge device
CN104296824A (en) * 2014-10-29 2015-01-21 四川金码科技有限公司 Video water level gauge
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109282871A (en) * 2018-11-29 2019-01-29 成都文博蓉耀科技有限公司 A kind of water level monitoring device of the hydraulic engineering with auto-alarm function
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CN110545304A (en) * 2018-12-20 2019-12-06 联誉信息股份有限公司 Ecological leakage flow monitoring system of hydropower station
JP2021018098A (en) * 2019-07-18 2021-02-15 中国電力株式会社 Staff gauge luminaire and water level measurement device
CN113341084A (en) * 2020-12-30 2021-09-03 烟台三合立信自动化设备有限公司 Device and method for measuring dissolved oxygen of liquid
CN114111960A (en) * 2021-11-29 2022-03-01 商丘师范学院 Self-fixing positioning device for water level gauge
CN114111960B (en) * 2021-11-29 2022-07-15 商丘师范学院 Self-fixing positioning device for water level gauge

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Application publication date: 20181026