CN105277251A - Liquid level meter with double measuring pipes - Google Patents

Liquid level meter with double measuring pipes Download PDF

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Publication number
CN105277251A
CN105277251A CN201410340255.2A CN201410340255A CN105277251A CN 105277251 A CN105277251 A CN 105277251A CN 201410340255 A CN201410340255 A CN 201410340255A CN 105277251 A CN105277251 A CN 105277251A
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CN
China
Prior art keywords
liquid level
port
gas
cabinet
level meter
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
CN201410340255.2A
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Chinese (zh)
Inventor
钟太良
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.)
DONGGUAN HCBETOP INFORMATION TECHNOLOGY Co Ltd
Original Assignee
DONGGUAN HCBETOP INFORMATION 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 DONGGUAN HCBETOP INFORMATION TECHNOLOGY Co Ltd filed Critical DONGGUAN HCBETOP INFORMATION TECHNOLOGY Co Ltd
Priority to CN201410340255.2A priority Critical patent/CN105277251A/en
Publication of CN105277251A publication Critical patent/CN105277251A/en
Pending legal-status Critical Current

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Abstract

The invention provides a liquid level meter with double measuring pipes. The liquid level meter comprises a main unit, two air delivery pipelines and two measuring cups. The main unit comprises a case, an air pump, a control circuit board and a three-way valve, the air pump, the control circuit board and the three-way valve are arranged in the case, an air inlet and two air outlets are formed in the case, a port of the three-way valve is exposed in the case, two other ports of the three-way valve are respectively connected with the two air outlets in the case, and the two air outlets are respectively connected with the two measuring cups by the air delivery pipelines. The liquid level meter has following advantages: due to the fact that the liquid level meter is provided with double circuits, pressure P1 and P2 at the two measuring cups can be respectively measured by the aid of the conversion three-way valve and the depths H1 and H2 of water level on two sides of the liquid level meter can be calculated; the difference value of the two depths H1 and H2 is the difference of water level on two sides of a hydropower station; accordingly, power generation water heads of the hydropower station can be monitored only by the aid of only one water level meter so that the cost and labor can be greatly saved; the liquid level meter also can be used for measuring liquid level of closed tanks; the two measuring cups can be respectively arranged at the bottom and the top of each closed tank; consequently, pressure difference between the bottom and the top of each closed tank can be measured; and the height of the liquid level of each closed tank can be calculated.

Description

A kind of two test tube liquid level gauge
Technical field
The present invention relates to a kind of liquid level emasuring device, particularly relate to a kind of two test tube liquid level gauge.
Background technology
At present, the domestic collection majority to waterlevel data adopts float type level meter or artificial observation, float type level meter prerequisite is used to be need investment construction to log well, next needs personnel's timing every day or sporadically safeguards commissioning device, limit the rig-site utilization of float type level meter, cannot meet the ageing of hydrographic information transmission, and air bubble type water gauge breaks the conventional acquisition mode of waterlevel data, solves a difficult problem of collecting without the lower waterlevel data of well logging.Air bubble type water gauge is mainly used in the area of the inconvenience shaft building of water-level observation point or shaft building somewhat expensive, there is installation, easy to maintenance, flexible operation, stable and reliable operation, precision high is at present without one of water level detecting instrument ideal in well logging level measuring.
But traditional water level counts single loop, principle of work is by after air strainer filtration, purification by air, air is pressed in gas-holder through retaining valve by air pump, gas in gas-holder divides two-way to carry respectively to the pressure transducer in pressure control unit with in passing under water snorkel, when air pump stops blowing, retaining valve closes, and snort mast mouth is sealed by gas.Thus define the cavity of an airtight Bonding pressure sensor and snort mast mouth.According to pressure transfer principle, when gas in breather line reaches mobile equilibrium, the pressure that snort mast mouth bears is delivered on the pressure transducer of pressure control unit through snorkel, so, the pressure that the pressure of snort mast mouth and the pressure transducer of pressure control unit bear is equal, deduct atmospheric pressure value by this force value, the fine pressure value of head can be obtained, thus just can draw measurement water level value.When existing water-level gauge measures the water-head in power station, need the water level of two water-level gauges difference both sides, power station.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of two test tube liquid level gauge is provided, can measures the water level of both sides, power station simultaneously, calculate both sides water-head.
The present invention is achieved in that
A kind of two test tube liquid level gauge, comprise a main frame, two gas pipe lines and two measuring cups, described main frame comprises cabinet, and the air pump, control circuit board and the T-valve that are arranged in cabinet, described cabinet is established gas feed and two gas vents, a port of described T-valve is exposed in cabinet, and another two ports are connected with the gas vent of two on cabinet respectively, and two gas vents are connected with two measuring cups respectively by described gas pipe line.
In one preferred embodiment, three ports of described T-valve are the first port, second port and the 3rd port, second port is positioned on the perpendicular line of the line of the first port and the 3rd port, two gas vents are respectively the first gas vent and the second gas vent, first gas vent is connected with described first port by the first joint, second gas vent is connected with described second port by the second joint group, described second joint group comprises the joint I for being connected with gas pipe line, the joint II be connected with described T-valve second port, and the joint III of jointing I and joint II.
In one preferred embodiment, described air pump and control circuit board are fixed on the inwall of described cabinet.
In one preferred embodiment, described cabinet is six sided structures, and comprise protecgulum, bonnet, upper cover, lower cover and two side covers, described air pump and control circuit board are fixed in described cabinet and cover.
In one preferred embodiment, described gas feed and two gas vents are arranged on described protecgulum.
In one preferred embodiment, described gas feed place is provided with filtration unit.
In one preferred embodiment, described gas feed place is provided with sound suppressor.
When the present invention uses, two measuring cups are placed in both sides water bottom respectively, utilize two-circuit, pressure P 1 and the P2 at two measuring cup places is measured respectively by crossover tee valve, calculate depth H 1 and the H2 of both sides water level, the difference of H1 and H2 is both sides, power station water-head, only needs a water-level gauge can realize the monitoring of hydropower station head, has greatly saved cost and manpower.The present invention can also be used for the level gauging of closed tank, two measuring cups is placed in respectively bottom and the top of closed tank, measures pressure P 1 and the P2 at two measuring cup places, obtains the pressure differential at two places, calculate liquid level H.
Accompanying drawing explanation
Fig. 1 is the explosive view of provided by the invention pair of test tube liquid level gauge;
Fig. 2 is the side view of provided by the invention pair of test tube liquid level gauge;
Fig. 3 is the A-A cut-open view of Fig. 2;
Fig. 4 is the detection hydropower station water level differential intention of provided by the invention pair of test tube liquid level gauge;
Fig. 5 is the schematic diagram of the detection closed tank liquid level of provided by the invention pair of test tube liquid level gauge.
Embodiment
With reference to the accompanying drawings, the present invention will be further described in conjunction with specific embodiments, to understand the present invention better.
With reference to Fig. 1-5, the invention provides a kind of two test tube liquid level gauge, comprise main frame 100, two gas pipe line 200 and two measuring cups 300, described main frame comprises cabinet 110, and the air pump 120, control circuit board 130 and the T-valve 140 that are arranged in cabinet, described cabinet is established gas feed 111 and two gas vents, a port of described T-valve 140 is exposed in cabinet, another two ports are connected with the gas vent of two on cabinet respectively, and two gas vents are connected with two measuring cups 300 respectively by described gas pipe line 200.
Hydropower station head is monitored: during use, two measuring cups 300 are placed in both sides, power station water bottom respectively, utilize two-circuit, pressure P 1 and the P2 at two measuring cup places is measured respectively by crossover tee valve 140, calculate depth H 1 and the H2 of both sides water level, the difference of H1 and H2 is both sides, power station water-head, only needs a water-level gauge can realize the monitoring of hydropower station head, has greatly saved cost and manpower.
The level gauging of closed tank: the bottom and the top that two measuring cups 300 are placed in respectively closed tank, measures pressure P 1 and the P2 at two measuring cup places, obtains the pressure differential at two places, calculate liquid level H.
Three ports of described T-valve 140 are the first port, second port and the 3rd port, second port is positioned on the perpendicular line of the line of the first port and the 3rd port, two gas vents are respectively the first gas vent 112 and the second gas vent 113, first gas vent 112 is connected with described first port by the first joint 151, second gas vent 113 is connected with described second port by the second joint group, described second joint group comprises the joint I 152 for being connected with gas pipe line 200, the joint II 153 be connected with the second port one 42 of described T-valve, and the joint III 154 of jointing I 152 and joint II 153.This syndeton can ensure that T-valve 140 is connected with the stable of gas pipe line 200.
Described cabinet is six sided structures, and comprise protecgulum 114, bonnet 115, upper cover 116, lower cover 117 and two side covers 118, described air pump 120 and control circuit board 130 are fixed on the bonnet 115 of described cabinet.Described gas feed 111 and two gas vents are arranged on described protecgulum 114.
Described gas feed place is provided with filtration unit and sound suppressor 160.Make the gas that enters in cabinet pure, steady air current, ensure measuring accuracy, extend liquid level gauge term of life.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.

Claims (7)

1. a two test tube liquid level gauge, it is characterized in that, comprise a main frame, two gas pipe lines and two measuring cups, described main frame comprises cabinet, and the air pump, control circuit board and the T-valve that are arranged in cabinet, described cabinet is established gas feed and two gas vents, a port of described T-valve is exposed in cabinet, another two ports are connected with the gas vent of two on cabinet respectively, and two gas vents are connected with two measuring cups respectively by described gas pipe line.
2. according to claim 1 pair of test tube liquid level gauge, it is characterized in that, three ports of described T-valve are the first port, second port and the 3rd port, second port is positioned on the perpendicular line of the line of the first port and the 3rd port, two gas vents are respectively the first gas vent and the second gas vent, first gas vent is connected with described first port by the first joint, second gas vent is connected with described second port by the second joint group, described second joint group comprises the joint I for being connected with gas pipe line, the joint II be connected with described T-valve second port, and the joint III of jointing I and joint II.
3. according to claim 1 pair of test tube liquid level gauge, is characterized in that, described air pump and control circuit board are fixed on the inwall of described cabinet.
4. according to claim 1 pair of test tube liquid level gauge, is characterized in that, described cabinet is six sided structures, and comprise protecgulum, bonnet, upper cover, lower cover and two side covers, described air pump and control circuit board are fixed in described cabinet and cover.
5. according to claim 6 pair of test tube liquid level gauge, is characterized in that, described gas feed and two gas vents are arranged on described protecgulum.
6. according to claim 1 pair of test tube liquid level gauge, is characterized in that, described gas feed place is provided with filtration unit.
7. the two test tube liquid level gauges according to claim 1 or 6, it is characterized in that, described gas feed place is provided with sound suppressor.
CN201410340255.2A 2014-07-16 2014-07-16 Liquid level meter with double measuring pipes Pending CN105277251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410340255.2A CN105277251A (en) 2014-07-16 2014-07-16 Liquid level meter with double measuring pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410340255.2A CN105277251A (en) 2014-07-16 2014-07-16 Liquid level meter with double measuring pipes

Publications (1)

Publication Number Publication Date
CN105277251A true CN105277251A (en) 2016-01-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105526988A (en) * 2016-02-16 2016-04-27 唐山现代工控技术有限公司 Using method of bubble type water gauge and bubble type water gauge device
CN105571676A (en) * 2016-03-08 2016-05-11 唐山现代工控技术有限公司 Mounting structure for high-silt channel manual gate valve sensor and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201072353Y (en) * 2007-08-20 2008-06-11 哈尔滨万达华科技发展有限公司 Double-circulating loop air path accurate air bubble type water level gauge
JP2008157909A (en) * 2006-11-27 2008-07-10 Fuji Controls Co Ltd Liquid level detection device of well
CN202974378U (en) * 2012-11-13 2013-06-05 宇星科技发展(深圳)有限公司 Air bubble type water gauge for starting air pump under normal pressure
CN204188219U (en) * 2014-07-16 2015-03-04 东莞市海川博通信息科技有限公司 A kind of two test tube liquid level gauge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008157909A (en) * 2006-11-27 2008-07-10 Fuji Controls Co Ltd Liquid level detection device of well
CN201072353Y (en) * 2007-08-20 2008-06-11 哈尔滨万达华科技发展有限公司 Double-circulating loop air path accurate air bubble type water level gauge
CN202974378U (en) * 2012-11-13 2013-06-05 宇星科技发展(深圳)有限公司 Air bubble type water gauge for starting air pump under normal pressure
CN204188219U (en) * 2014-07-16 2015-03-04 东莞市海川博通信息科技有限公司 A kind of two test tube liquid level gauge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105526988A (en) * 2016-02-16 2016-04-27 唐山现代工控技术有限公司 Using method of bubble type water gauge and bubble type water gauge device
CN105571676A (en) * 2016-03-08 2016-05-11 唐山现代工控技术有限公司 Mounting structure for high-silt channel manual gate valve sensor and method

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Application publication date: 20160127