CN110455372A - A kind of air bubble type liquid level gauge detection device, system and method - Google Patents
A kind of air bubble type liquid level gauge detection device, system and method Download PDFInfo
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- CN110455372A CN110455372A CN201910740694.5A CN201910740694A CN110455372A CN 110455372 A CN110455372 A CN 110455372A CN 201910740694 A CN201910740694 A CN 201910740694A CN 110455372 A CN110455372 A CN 110455372A
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- 238000001514 detection method Methods 0.000 title claims abstract description 136
- 239000007788 liquid Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000005259 measurement Methods 0.000 claims description 21
- 241001269238 Data Species 0.000 claims description 12
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 3
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating 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 measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a kind of air bubble type liquid level gauge detection devices, system and method；Wherein, air bubble type liquid level gauge detection device is respectively provided with multiple detection branch of detection gas chamber by setting, the outlet valve conducting switch control module of unidirectional solenoid electric valve receives the control of external control devices, switch control module is connected by the outlet valve of unidirectional solenoid electric valve again and controls corresponding outlet valve, and then control the conducting of corresponding detection branch, it is connect finally by the pressure acquisition interface of air bubble type liquid level gauge to be detected with the air inlet of unidirectional solenoid electric valve, to obtain the pressure data of corresponding detection gas chamber；Solving air bubble type liquid level gauge accuracy detection in the prior art need to be by carrying out detection work after construction testing well and test pond, it grows up when resulting in testing cost high, detection and technical problem that detection mode is not convenient enough, it is low, time-consuming short and detect the high air bubble type liquid level gauge detection device of convenience to provide a kind of testing cost.
Description
Technical field
The present invention relates to air bubble type liquid level gauge detection technique fields, detect and fill more particularly, to a kind of air bubble type liquid level gauge
It sets, system and method.
Background technique
Air bubble type liquid level gauge (also known as bubbler gage) is filtered air by air filter, after purification, and air pump will be empty
Gas through check valve indentation air accumulator in, the gas in air accumulator divide two-way respectively the pressure sensor into pressure control unit and
It is passed through in underwater snorkel and conveys, when air pump stops blowing, check valve closure, snort mast mouth is sealed by gas.From
And form the cavity of closed connection a pressure sensor and snort mast mouth.According to pressure transfer principle it is found that In
When gas in ventilation pipe reaches dynamic equilibrium, the pressure that snort mast mouth is born is transmitted to pressure control by snorkel
On the pressure sensor of unit processed, so, the pressure of snort mast mouth and the pressure sensor of pressure control unit are born
Pressure it is equal, subtract atmospheric pressure value with this pressure value, the fine pressure value of head can be obtained, so that measurement water level can be obtained
Value.An important devices of the air bubble type liquid level gauge as sensed water level height, it is deep whether detection accuracy meets accuracy standard
Affect the accuracy of DATA REASONING.
Air bubble type liquid level gauge accuracy detection carries out accuracy detection to it after generally passing through construction testing well and test pond, but
Be testing well and test pond is built not only to generate biggish testing cost, and the time required to detecting and the convenience of detection all by
Serious restriction has been arrived, therefore, above-mentioned difficulties how have been overcome to become those skilled in the art's technical problem urgently to be solved.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide a kind of low, quick, the convenient and fast air bubble type liquid level gauge detection device of testing cost.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides a kind of air bubble type liquid level gauge detection device comprising:
Multiple detection branch, multiple detection branch are respectively arranged with detection gas chamber；
Unidirectional solenoid electric valve, the unidirectional solenoid electric valve include multiple outlet valves, outlet valve conducting switch control
Molding block and air inlet；
Multiple outlet valves connect one to one with multiple detection branch respectively, for controlling multiple inspections
Survey the on and off of branch；
The outlet valve conducting switch control module is connect with external control devices, is set for receiving the external control
Standby control instruction to control multiple outlet valves respectively；
The air inlet is connect with the pressure acquisition interface of air bubble type liquid level gauge to be detected, for obtaining the detection gas chamber
Pressure data.
Further, the pressure acquisition interface of the air inlet and the air bubble type liquid level gauge to be detected is connected by gas-guide tube
It connects.
Second aspect, the present invention provide a kind of air bubble type liquid level gauge detection system comprising: the air bubble type liquid level gauge
Detection device, auxiliary detection device, controller and computer；
The detection gas chamber is placed in the auxiliary detection device, and the detection gas chamber is respectively at different height
Degree；
Liquid is housed in the auxiliary detection device, and the detection gas chamber is made to be in liquid level or less；
The outlet valve conducting switch control module is connect with the controller, for receiving the control of the controller
Instruction；
The air bubble type liquid level gauge to be detected is connect with the controller, and the air bubble type liquid level gauge to be detected is obtained
Pressure data be transmitted to the controller and receive the control of the controller；
The controller is connect with the computer, for the pressure data to be transmitted to the computer and receives institute
State the control of computer；The computer obtains the measurement water of the air bubble type liquid level gauge to be detected according to the pressure data
Position, and the actual water level for getting the corresponding detection gas chamber is compared with the measurement water level, it is described to be detected with determination
The precision of air bubble type liquid level gauge.
Further, the auxiliary detection device is water storage container with a scale；In the water storage container equipped with liquid and
So that the detection gas chamber is in the water level of the different scales of liquid level or less.
The third aspect, the present invention provides a kind of air bubble type liquid level gauge detection method, applied to the air bubble type liquid level gauge
Detection system comprising:
Obtain the corresponding multiple pressure datas of multiple detection gas chambers in different water levels under pressure equilibrium state；
Multiple measurement waterlevel datas are obtained according to multiple pressure datas；
Multiple measurement waterlevel datas are compared with the actual water level that corresponding multiple detection gas chambers are in；
Judge whether air bubble type liquid level gauge to be detected meets accuracy standard according to the comparison result.
Further, to judge whether air bubble type liquid level gauge to be detected meets accuracy standard according to the comparison result specific
Include:
Established standards precision threshold range；
The comparison result then judges the air bubble type liquid level gauge symbol to be detected in the algnment accuracy threshold range
Accuracy standard is closed, otherwise judges that the air bubble type liquid level gauge to be detected does not meet accuracy standard.
The beneficial effects of the present invention are:
A kind of air bubble type liquid level gauge detection device in the present invention is respectively provided with multiple detections of detection gas chamber by setting
The outlet valve conducting switch control module of branch, unidirectional solenoid electric valve receives the control of external control devices, then passes through list
Corresponding outlet valve is controlled to the outlet valve of solenoid electric valve conducting switch control module, and then controls corresponding detection branch
Conducting, connect finally by the pressure acquisition interface of air bubble type liquid level gauge to be detected with the air inlet of unidirectional solenoid electric valve,
To obtain the pressure data of corresponding detection gas chamber；Solving air bubble type liquid level gauge accuracy detection in the prior art need to be surveyed by construction
Detection work is carried out after well testing and test pond, is grown up when resulting in testing cost high, detection and not convenient and fast enough the skill of detection mode
Art problem provides the air bubble type liquid level gauge detection device that a kind of testing cost is low, time-consuming short and detection convenience is high.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment structural schematic diagram of air bubble type liquid level gauge detection device in the present invention；
Fig. 2 is an a kind of specific embodiment structural schematic diagram of air bubble type liquid level gauge detection system in the present invention；
Fig. 3 is an a kind of specific embodiment flow chart of air bubble type liquid level gauge detection method in the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Embodiment one:
A kind of air bubble type liquid level gauge detection device in the present invention comprising have multiple detection branch and unidirectional Electromagnetic Control
Valve；Wherein, multiple detection branch are respectively equipped with detection gas chamber, and unidirectional solenoid electric valve includes multiple outlet valves, outlet valve
Conducting switch control module and air inlet, multiple detection branch connect one to one with multiple outlet valves respectively, multiple outlets
Switch control module connection is connected in valve with outlet valve respectively, and outlet valve conducting switch control module can be set with external control
Standby connection, air inlet are connect with the pressure acquisition interface of air bubble type liquid level gauge to be detected.
Specifically, referring to Fig.1, in the present embodiment, air bubble type liquid level gauge detection device includes 3 detection branch: the first inspection
Survey branch 200 and corresponding first detection gas chamber 201, the second detection branch 210 and corresponding second detection gas chamber 211, third
Detection branch 220 and corresponding third detect gas chamber 221.Unidirectional solenoid electric valve 100 includes 3 outlet valves: the first outlet
Valve, the second outlet valve and third outlet valve, 3 outlet valves connect one to one respectively with 3 detection branch after with
Outlet valve is connected switch control module 102 and connects, for controlling the on and off of 3 detection branch.Unidirectional Electromagnetic Control
The air inlet 101 of valve 100 is connect with the pressure acquisition interface of air bubble type liquid level gauge to be detected by gas-guide tube.In actually detected mistake
First detection gas chamber 201, second can be detected gas chamber 211 and third detection gas chamber 221 is installed at different water levels by Cheng Zhong,
When outlet valve conducting switch control module 102 receives the control signal from external control devices for the first detection branch 200
After opening, air inlet 100 receives the air-flow transmitted by gas-guide tube from air bubble type liquid level gauge to be detected and is delivered to the first inspection
Gas chamber 201 is surveyed, when the gas-guide tube and first that the pressure acquisition interface with air bubble type liquid level gauge to be detected is connect detects gas chamber 201
After pressure reaches balance, air bubble type liquid level gauge to be detected stops that pressure data at this time is inflated and acquired to gas-guide tube, according to adopting
The available first detection corresponding measurement water level of gas chamber 201 of the pressure data of collection, the second detection branch 210 and third detection branch
220 realization process can be cross-referenced corresponding with the process of the first detection branch 200, and this will not be repeated here.
To sum up, a kind of air bubble type liquid level gauge detection device in the present invention is respectively provided with the more of detection gas chamber by setting
A detection branch, the outlet valve conducting switch control module of unidirectional solenoid electric valve receive the control of external control devices, then
Switch control module is connected by the outlet valve of unidirectional solenoid electric valve and controls corresponding outlet valve, and then controls corresponding inspection
The conducting for surveying branch, finally by the pressure acquisition interface of air bubble type liquid level gauge to be detected and the air inlet of unidirectional solenoid electric valve
Connection, to obtain the pressure data of corresponding detection gas chamber；Solve air bubble type liquid level gauge accuracy detection in the prior art it is at high cost,
It grows up when detection and technical problem that detection mode is not convenient enough.
Embodiment two:
Referring to Fig. 2, a kind of air bubble type liquid level gauge detection system in the present invention comprising: the bubble as described in embodiment one
Formula liquidometer detection device, auxiliary detection device, controller 600 and computer 700；Wherein, auxiliary detection device is with a scale
Water storage container 300, equipped with liquid and 3 detection gas chambers is made to be in the water of the different scales of liquid level or less in water storage container
Position.
Specifically, the control instruction that is detected of the first detection branch 200 is sent to controller 600 by computer 700,
Control instruction is by the transmission control instruction of data line 500 based on the received for controller 600, for controlling unidirectional Electromagnetic Control
The outlet valve conducting switch control module 102 of valve opens corresponding first outlet valve of the first detection branch 200；Meanwhile it controlling
Device 600 processed controls air bubble type liquid level gauge 400 to be detected and is inflated by the air inlet 101 of unidirectional solenoid electric valve 100, and gas flows through
Reach the first detection gas chamber 201 after first detection branch 200, when unidirectional solenoid electric valve 100 and air bubble type liquid level gauge to be detected
The pressure of the gas-guide tube of connection and the first detection gas chamber 201 reaches control after balance (gassy in the i.e. first detection gas chamber 201)
Device 600 processed, which controls air bubble type liquid level gauge to be detected, stops that pressure data at this time is inflated and acquired to gas-guide tube, by the pressure of acquisition
After force data is transmitted to computer 700 by controller 600, computer 700 is calculated first according to the pressure data of acquisition
The corresponding measurement water level of gas chamber 201 is detected, detects the actual water level that gas chamber 201 is in water storage container 300 further according to first,
Obtained measurement water level and actual water level are compared, finally judge comparison result whether setting precision threshold range
It is interior, to show whether air bubble type liquid level gauge 400 to be detected meets essence in the measurement accuracy of the first detection 201 actual water level of gas chamber
Scale is quasi-, the measurement essence that air bubble type liquid level gauge 400 to be detected detects gas chamber 211, third detection 221 actual water level of gas chamber second
Whether degree meets accuracy standard, the Principle of Process realized with the first detection 201 actual water level of gas chamber measurement accuracy whether
The process for meeting accuracy standard is consistent, can cross-referenced correspondence.Air bubble type liquid level gauge 400 to be detected is obtained in different actual water levels
Measurement accuracy after, can according to detection air bubble type liquid level gauge 400 use demand judge whether it meets accuracy standard.Separately
Outside, it is clear that, air bubble type liquid level gauge detection system takes measurement after can taking multiple measurements to each actual water level in the present embodiment
Water level average value is compared judgement again, to improve the accuracy of detection.
In conclusion bubble type liquid level detection system is got by air bubble type liquid level gauge detection device in the present embodiment
Air bubble type liquid level gauge to be measured is compared after the measurement water level of different water levels, then through corresponding actual water level, judgement
Whether air bubble type liquid level gauge to be detected meets accuracy standard；Solves air bubble type liquid level gauge detection system cost in the prior art
Grow up when high, detection and technical problem that detection mode is not convenient enough, provide that a kind of low cost, detection be time-consuming short and detection just
Prompt air bubble type liquid level gauge detection system.
Embodiment three:
Referring to Fig. 3, a kind of air bubble type liquid level gauge detection method is present embodiments provided, is applied to as described in embodiment two
Air bubble type liquid level gauge detection system in, comprising the following steps:
S1 obtains the corresponding multiple pressure datas of multiple detection gas chambers in different water levels under pressure equilibrium state；
S2 obtains multiple measurement waterlevel datas according to multiple pressure datas；
S3 compares multiple measurement waterlevel datas with the actual water level that corresponding multiple detection gas chambers are in
Compared with；
S4 judges whether air bubble type liquid level gauge to be detected meets accuracy standard according to the comparison result.
In addition, judging whether air bubble type liquid level gauge to be detected meets accuracy standard and specifically wrap according to the comparison result
It includes:
Established standards precision threshold range；
The comparison result then judges the air bubble type liquid level gauge symbol to be detected in the algnment accuracy threshold range
Accuracy standard is closed, otherwise judges that the air bubble type liquid level gauge to be detected does not meet accuracy standard.
The Principle of Process that the realization Principle of Process of the above method can be realized with air bubble type liquid level gauge detection system in implementation two
Cross-referenced correspondence is not done excessively repeat herein.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of air bubble type liquid level gauge detection device characterized by comprising
Multiple detection branch, multiple detection branch are respectively arranged with detection gas chamber；
Unidirectional solenoid electric valve, the unidirectional solenoid electric valve include multiple outlet valves, outlet valve conducting switch control mould
Switch control module connection is connected in block and air inlet, multiple outlet valves with the outlet valve respectively；
Multiple outlet valves connect one to one with multiple detection branch respectively, for controlling multiple detection branch
The on and off on road；
The outlet valve conducting switch control module is connect with external control devices, for receiving the external control devices
Control instruction to control multiple outlet valves respectively；
The air inlet is connect with the pressure acquisition interface of air bubble type liquid level gauge to be detected, for obtaining the pressure of the detection gas chamber
Force data.
2. air bubble type liquid level gauge detection device according to claim 1, which is characterized in that the air inlet with it is described to be checked
The pressure acquisition interface for surveying air bubble type liquid level gauge is connected by gas-guide tube.
3. a kind of air bubble type liquid level gauge detection system characterized by comprising auxiliary detection device, controller, computer and such as
Air bubble type liquid level gauge detection device of any of claims 1 or 2；
The detection gas chamber is placed in the auxiliary detection device, and the detection gas chamber is respectively at different height；
Liquid is housed in the auxiliary detection device, and the detection gas chamber is made to be in liquid level or less；
The outlet valve conducting switch control module is connect with the controller, and the control for receiving the controller refers to
It enables；
The air bubble type liquid level gauge to be detected is connect with the controller, the pressure that the air bubble type liquid level gauge to be detected is obtained
Force data is transmitted to the controller and receives the control of the controller；
The controller is connect with the computer, by the pressure data is transmitted to the computer and receive it is described based on
The control of calculation machine；The computer obtains the measurement water level of the air bubble type liquid level gauge to be detected according to the pressure data, and
The actual water level for getting the corresponding detection gas chamber is compared with the measurement water level, with the determination bubble type to be detected
The precision of liquidometer.
4. air bubble type liquid level gauge detection system according to claim 3, which is characterized in that the auxiliary detection device is band
The water storage container of scale；Liquid is housed in the water storage container and the detection gas chamber is made to be in the different scales of liquid level or less
Water level.
5. a kind of air bubble type liquid level gauge detection method, which is characterized in that applied to bubble type liquid as described in claim 3 or 4
Position meter detection system, comprising:
Obtain the corresponding multiple pressure datas of multiple detection gas chambers in different water levels under pressure equilibrium state；
Multiple measurement waterlevel datas are obtained according to multiple pressure datas；
Multiple measurement waterlevel datas are compared with the water level that corresponding multiple detection gas chambers are in；
Judge whether air bubble type liquid level gauge to be detected meets accuracy standard according to the comparison result.
6. air bubble type liquid level gauge detection method according to claim 5, which is characterized in that sentenced according to the comparison result
Whether the air bubble type liquid level gauge to be detected that breaks meets accuracy standard
Established standards precision threshold range；
The comparison result then judges that the air bubble type liquid level gauge to be detected meets essence in the algnment accuracy threshold range
Scale is quasi-, otherwise judges that the air bubble type liquid level gauge to be detected does not meet accuracy standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740694.5A CN110455372B (en) | 2019-08-12 | 2019-08-12 | Bubble type liquid level meter detection device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740694.5A CN110455372B (en) | 2019-08-12 | 2019-08-12 | Bubble type liquid level meter detection device, system and method |
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| CN110455372B CN110455372B (en) | 2024-08-06 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4084547A (en) * | 1976-03-24 | 1978-04-18 | Honeywell Inc. | Safe start checking liquid processing system |
| KR19980026018U (en) * | 1996-11-07 | 1998-08-05 | 김종진 | Automatic control device with bubble level clogging prevention function |
| KR19990001387A (en) * | 1997-06-13 | 1999-01-15 | 백태현 | Bubble Detector for HPLC Systems |
| JP2006098172A (en) * | 2004-09-29 | 2006-04-13 | Musashino Kiki Kk | Bubble type level gage |
| CN104570886A (en) * | 2015-02-04 | 2015-04-29 | 中交一航局安装工程有限公司 | Silo safety monitoring system |
| CN104949740A (en) * | 2015-06-20 | 2015-09-30 | 中国计量科学研究院 | Automatic metrological verification device and method of liquidometers |
| CN204854879U (en) * | 2015-08-01 | 2015-12-09 | 武汉新烽光电科技有限公司 | Device of compensation is switched to inside and outside gas circuit of non - pressure release bubble level gauge |
| CN205157002U (en) * | 2015-12-04 | 2016-04-13 | 重庆多邦科技股份有限公司 | Bubble type water level gauge |
| CN205373811U (en) * | 2015-12-04 | 2016-07-06 | 重庆多邦科技股份有限公司 | Industry liquid level control system's bubble liquid level detection device |
| CN206056719U (en) * | 2016-08-31 | 2017-03-29 | 江西汇弘信息技术有限公司 | A kind of air bubble type liquid level gauge with multiple-working mode |
| CN208847298U (en) * | 2018-01-31 | 2019-05-10 | 泰安磐然压力仪器有限公司 | A kind of liquidometer automatic calibrator |
| CN210833760U (en) * | 2019-08-12 | 2020-06-23 | 深圳市宏电技术股份有限公司 | Bubble type liquid level detection device and system |
-
2019
- 2019-08-12 CN CN201910740694.5A patent/CN110455372B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4084547A (en) * | 1976-03-24 | 1978-04-18 | Honeywell Inc. | Safe start checking liquid processing system |
| KR19980026018U (en) * | 1996-11-07 | 1998-08-05 | 김종진 | Automatic control device with bubble level clogging prevention function |
| KR19990001387A (en) * | 1997-06-13 | 1999-01-15 | 백태현 | Bubble Detector for HPLC Systems |
| JP2006098172A (en) * | 2004-09-29 | 2006-04-13 | Musashino Kiki Kk | Bubble type level gage |
| CN104570886A (en) * | 2015-02-04 | 2015-04-29 | 中交一航局安装工程有限公司 | Silo safety monitoring system |
| CN104949740A (en) * | 2015-06-20 | 2015-09-30 | 中国计量科学研究院 | Automatic metrological verification device and method of liquidometers |
| CN204854879U (en) * | 2015-08-01 | 2015-12-09 | 武汉新烽光电科技有限公司 | Device of compensation is switched to inside and outside gas circuit of non - pressure release bubble level gauge |
| CN205157002U (en) * | 2015-12-04 | 2016-04-13 | 重庆多邦科技股份有限公司 | Bubble type water level gauge |
| CN205373811U (en) * | 2015-12-04 | 2016-07-06 | 重庆多邦科技股份有限公司 | Industry liquid level control system's bubble liquid level detection device |
| CN206056719U (en) * | 2016-08-31 | 2017-03-29 | 江西汇弘信息技术有限公司 | A kind of air bubble type liquid level gauge with multiple-working mode |
| CN208847298U (en) * | 2018-01-31 | 2019-05-10 | 泰安磐然压力仪器有限公司 | A kind of liquidometer automatic calibrator |
| CN210833760U (en) * | 2019-08-12 | 2020-06-23 | 深圳市宏电技术股份有限公司 | Bubble type liquid level detection device and system |
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