CN110764540A - Liquid monitoring system and method - Google Patents
Liquid monitoring system and method Download PDFInfo
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- CN110764540A CN110764540A CN201911080140.3A CN201911080140A CN110764540A CN 110764540 A CN110764540 A CN 110764540A CN 201911080140 A CN201911080140 A CN 201911080140A CN 110764540 A CN110764540 A CN 110764540A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The invention discloses a liquid monitoring system and a method, wherein the liquid monitoring system comprises a cavity, an infusion unit, a monitoring unit and a controller, the cavity is used for containing liquid, the infusion unit stores the liquid, the infusion unit is used for inputting the liquid into the cavity, the monitoring unit comprises a pressure monitoring device arranged in the cavity and a metering device arranged in the infusion unit, the pressure monitoring device is used for monitoring a hydraulic value in the cavity, the metering device is used for monitoring the liquid amount of the liquid input into the cavity by the infusion unit, and the controller is electrically connected with the pressure monitoring device and the metering device and is used for acquiring a mapping relation between the hydraulic value and the liquid amount according to the hydraulic value measured by the pressure monitoring device in real time and the liquid amount measured by the metering device in real time. The liquid monitoring system and the method provided by the invention are not limited by the shape and the structure of the cavity, and meanwhile, components are not required to be arranged in the cavity, the internal structure of the cavity cannot be changed, and the liquid monitoring system and the method are not influenced by the types of liquid and impurities in the liquid.
Description
Technical Field
The invention relates to the technical field of liquid monitoring, in particular to a liquid monitoring system and a liquid monitoring method.
Background
At present, equipment comprising a closed cavity is very common, such as a water tank, an oil tank and the like, for certain equipment, parameters such as liquid content and liquid level contained in the closed cavity need to be accurately and dynamically monitored, then the consumption rate of liquid is dynamically measured, the trend of the liquid content is estimated, and automatic early warning, supplement and the like can be realized when the liquid content is insufficient.
The common modes for monitoring and adjusting the liquid content of the closed cavity comprise a float method and a communicating vessel principle method, wherein the float method generates corresponding electric signals according to the size of the electric signals generated when the float moves up and down along with the liquid level of the liquid and is used as a recognition basis of the corresponding liquid level height so as to monitor the change of the liquid content in the closed cavity. The communicating vessel principle method is that the internal cavity liquid is led to the outside through the external communicating transparent pipe, based on the communicating vessel principle, the external pipeline liquid level is consistent with the internal cavity liquid level, the internal liquid level and the content are reflected through the external transparent pipe liquid level, the liquid level stabilizing time of the external pipeline liquid level is long, the internal liquid level value cannot be dynamically reflected, the vertical height can be fed back, and the communicating vessel principle method cannot be applied to monitoring of the liquid content of irregular cavities, the consumption rate and the like.
Disclosure of Invention
The invention mainly aims to provide a liquid monitoring system and a liquid monitoring method, and aims to solve the problems that the existing liquid monitoring system cannot judge the liquid content and the change rate of the cavity with an irregular shape and cannot dynamically, timely and accurately reflect the liquid level value of the internal liquid.
In order to achieve the above object, the present invention provides a liquid monitoring system, including:
a cavity for containing a liquid;
the infusion unit is used for inputting the liquid into the cavity;
the monitoring unit comprises a pressure monitoring device and a metering device, the pressure monitoring device is arranged in the cavity and is used for monitoring a hydraulic value in the cavity, and the metering device is arranged in the infusion unit and is used for monitoring the liquid amount of the liquid input into the cavity by the infusion unit; and the number of the first and second groups,
and the controller is electrically connected with the pressure monitoring device and the metering device and is used for acquiring the mapping relation between the hydraulic value and the liquid amount according to the hydraulic value measured by the pressure monitoring device in real time and the liquid amount measured by the metering device in real time.
Optionally, the controller forms a plurality of arrays according to the hydraulic value measured by the pressure monitoring device in real time and the liquid amount measured by the metering device in real time, each array includes a hydraulic value and a liquid amount corresponding thereto, and forms a relation curve between the hydraulic value and the liquid amount according to the plurality of arrays by fitting, so as to form a mapping relation between the hydraulic value and the liquid amount.
Optionally, the hydraulic pressure control device further comprises an early warning unit electrically connected with the controller, and the controller is used for controlling the early warning unit to send out an early warning signal when the hydraulic pressure value in the cavity or the change rate of the hydraulic pressure value exceeds or is lower than a preset threshold value.
Optionally, the system further comprises a remote control device and a local control device, wherein the remote control device and the local control device are both electrically connected with the controller to respectively control the controller in a remote mode and a local mode.
Optionally, the infusion unit comprises:
the infusion tank is used for storing the liquid and is provided with an infusion tube communicated with the cavity; and the number of the first and second groups,
the infusion pump is arranged in a liquid path system formed by the infusion tank and the infusion tube and used for inputting the liquid in the infusion tank into the cavity.
Optionally, a liquid inlet is formed in the bottom wall of the cavity, the infusion tube is connected to the liquid inlet, and the pressure monitoring device comprises a differential pressure sensor arranged at the liquid inlet; and/or the presence of a gas in the gas,
the metering device comprises a weight sensor arranged on the liquid conveying tank, and the controller is electrically connected with the weight sensor.
Optionally, the liquid path system further comprises a liquid level pipe with a lower end connected with the infusion pipe, and the liquid level pipe extends up and down to display the liquid level in the cavity.
Optionally, the level pipe is provided with a first shut-off valve; and/or the presence of a gas in the gas,
the liquid path system comprises an upper communicating pipe connected with the upper end of the liquid level pipe and the upper end of the cavity, the upper communicating pipe is connected with one end connected with the liquid level pipe, the end is far away from the cavity, the cavity extends in the direction to form an extension end, and the extension end is provided with a second stop valve.
Optionally, the controller with the transfer pump electric connection, the controller is used for when the hydraulic pressure value in the cavity or the rate of change of the hydraulic pressure value is more than or is less than preset threshold value, control the transfer pump to cavity input liquid.
The invention also provides a liquid monitoring method, which comprises the following steps:
acquiring a hydraulic value of a cavity to be monitored in real time;
and obtaining the liquid amount in the cavity according to the hydraulic value and the mapping relation between the hydraulic value and the liquid amount.
In the technical scheme of the liquid monitoring system provided by the invention, the pressure monitoring device can monitor the hydraulic value of any position in the cavity, preferably, the pressure monitoring device can monitor the hydraulic value of the liquid level at the lowest position in the cavity, so that the monitoring of the hydraulic value can be completed when the liquid amount in the cavity is very small, or the pressure difference value between the liquid level at the lowest position and the liquid level at the highest position in the cavity can be monitored, and because the pressure difference monitoring can be carried out as long as the lowest position and the highest position of the liquid level of the cavity are found regardless of the regular shape of the cavity, the liquid monitoring system is not limited by the shape and the structure of the cavity, meanwhile, parts are not required to be arranged in the cavity, the internal structure of the cavity cannot be changed, the liquid monitoring system is not influenced by the type of the liquid and impurities in the liquid, the liquid monitoring system has the same liquid as the liquid stored in the cavity and, when the liquid is input into the cavity by the infusion unit, the metering device monitors the input liquid amount, and in the process that the liquid is input into the cavity by the liquid unit, the controller calculates a mapping relation between the liquid amount and the liquid amount according to the liquid amount input by the infusion unit, the hydraulic value in the cavity and the change amount of the hydraulic value, wherein the mapping relation is a calibration curve. The liquid monitoring method can obtain the corresponding change value of the liquid amount in real time through the hydraulic value so as to obtain the liquid content value in the cavity, and the method steps can be implemented through the liquid monitoring device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a fluid monitoring system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of a fluid monitoring method of the present invention;
fig. 3 is a schematic flow chart of a liquid monitoring method according to a second embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
41 | Upper communicating pipe |
| 1 | |
42 | Liquid level pipe |
| 21 | |
43 | First stop valve |
| 22 | |
44 | |
| 23 | |
5 | Liquid, method for producing the same and use thereof |
| 31 | Differential pressure sensor | 6 | Controller |
| 32 | Weight sensor | 7 | |
| 33 | Weighing instrument | 8 | Local control device |
| 4 | Liquid path system |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
To solve the above problems, the present invention provides a liquid monitoring system, referring to fig. 1, which is an embodiment of the liquid monitoring system, in this embodiment, the liquid 5 monitoring system 100 comprises a cavity 1, an infusion unit, a monitoring unit and a controller 6, wherein the cavity 1 is used for containing liquid 5, the infusion unit stores the liquid 5, the infusion unit is used for inputting the liquid 5 into the cavity 1, the monitoring unit comprises a pressure monitoring device arranged in the cavity 1 and a metering device arranged in the infusion unit, the pressure monitoring device is used for monitoring a hydraulic value in the cavity 1, the metering device is used for monitoring the liquid amount of the liquid 5 input into the cavity 1 by the infusion unit, the controller 6 is electrically connected with the pressure monitoring device and the metering device, the hydraulic pressure measuring device is used for obtaining the mapping relation between the hydraulic pressure value and the liquid quantity according to the hydraulic pressure value measured by the pressure monitoring device in real time and the liquid quantity measured by the metering device in real time.
In the liquid monitoring system, the pressure monitoring device can monitor the hydraulic value of any position in the cavity 1, preferably, the pressure monitoring device can monitor the hydraulic value of the lowest liquid level in the cavity 1, so that the monitoring of the hydraulic value can be completed when the liquid amount in the cavity 1 is very small, or the pressure difference value of the lowest liquid level and the highest liquid level in the cavity 1 can be monitored, because the pressure difference monitoring can be carried out as long as the lowest position and the highest position of the liquid level of the cavity 1 are found regardless of the regular shape of the cavity 1, the liquid monitoring system is not limited by the shape and the structure of the cavity 1, meanwhile, components are not required to be arranged in the cavity 1, the internal structure of the cavity 1 cannot be changed, the liquid monitoring system is not influenced by the type of the liquid 5 and impurities in the liquid 5, of course, the pressure difference monitoring is not limited to the highest position and the lowest position of the two liquid levels can be specifically selected according to the shape structure and the like in the cavity 1, the liquid 5 in the cavity 1 is stored in the infusion unit of the liquid monitoring system, the function of the liquid monitoring system is to input the liquid 5 into the cavity 1, when the liquid 5 is input into the cavity 1 by the infusion unit, the metering device monitors the liquid amount input by the metering device, in the process that the liquid 5 is input into the cavity 1 by the liquid unit, the controller 6 calculates a mapping relation between the liquid amount and the liquid amount according to the liquid amount input by the infusion unit and the hydraulic value and the change amount of the hydraulic value in the cavity 1, specifically, the mapping relation is a calibration curve, so that the corresponding change value of the liquid amount can be obtained in real time according to the hydraulic value, and further the content value of the liquid 5 in the cavity 1 is obtained, obviously, the change amount of the hydraulic value, the change rate of the liquid amount and the change rate of the liquid amount can also be used as parameter values for calculating the mapping relation, the liquid monitoring system monitors the hydraulic values of two liquid levels in the cavity 1 by the, the amount of liquid in the chamber 1, and the rate of change of the amount of liquid, can be monitored dynamically, in real time, and accurately.
Further, the controller 6 forms a plurality of arrays according to the hydraulic value measured by the pressure monitoring device in real time and the liquid amount measured by the metering device in real time, each array comprises a hydraulic value and the liquid amount corresponding to the hydraulic value, a relation curve of the hydraulic value and the liquid amount is formed according to the plurality of arrays in a fitting mode, so that a mapping relation between the hydraulic value and the liquid amount is formed, and the mapping relation is more accurate and reliable through calculation of the plurality of arrays.
Further, the liquid monitoring system can be used as a volume calibration device for any cavity 1 or container.
Further, this liquid monitoring system still includes the early warning unit with controller 6 electric connection, and controller 6 is used for when the hydraulic pressure value or the rate of change of hydraulic pressure value in cavity 1 exceed or are less than the predetermined threshold value, and the control early warning unit sends early warning signal, makes the staff can in time learn the state of cavity 1 interior liquid 5.
Further, this liquid monitoring system still includes remote control device 7 and local control device 8, and remote control device 7 and local control device 8 all with controller 6 electric connection to at long-range and local control controller respectively, strengthened this liquid monitoring system's control function, promoted this liquid monitoring system's application scope.
Further, the infusion unit includes an infusion tank 21 and an infusion pump 22, the infusion tank 21 is used for storing the liquid 5, the infusion tank 21 is provided with an infusion tube 23 communicated with the chamber 1, and the infusion pump 22 is provided in a fluid path system formed by the infusion tank 21 and the infusion tube 23 and is used for inputting the liquid 5 in the infusion tank 21 into the chamber 1, in this embodiment, the infusion pump 22 is a high-precision infusion pump.
Further, the diapire of cavity 1 is equipped with the inlet, and transfer line 23 is connected to the inlet, and pressure monitoring devices is including locating pressure differential sensor 31 of inlet department, and the pressure differential value of the lowest position liquid level in direct monitoring cavity 1 promptly and highest position liquid level, and when 5 contents of liquid in cavity 1 were very low or even did not have at all, all can monitor.
Alternatively, in another embodiment of the liquid monitoring system, the metering device includes a weight sensor 32 disposed in the liquid transmission tank 21, the controller 6 is electrically connected to the weight sensor 32, in this embodiment, the high-precision weight sensor 32, and further, referring to fig. 1, the present embodiment further includes a weighing instrument 33.
It is clear that the above-described arrangements can be implemented simultaneously, and that the present liquid monitoring system is capable of monitoring changes in the liquid 5 in grams per second by means of the monitoring device.
Further, the controller 6 is electrically connected to the infusion pump 22, and the controller 6 is configured to control the infusion pump 22 to input the liquid 5 into the cavity 1 when the hydraulic value or the change rate of the hydraulic value in the cavity 1 exceeds or is lower than a preset threshold, and when the amount of the liquid in the cavity 1 changes, the weight value of the liquid 5 to be added into the cavity 1 can be obtained in real time, so that the content of the liquid 5 in the cavity 1 is kept stable.
Further, the liquid path system further comprises a liquid level pipe 42 connected with the infusion pipe 23 at the lower end, the liquid level pipe 42 extends up and down to display the liquid level in the cavity 1, and the liquid level pipe 42 can be used as an auxiliary device for observing the liquid level.
Further, the liquid level pipe 42 is provided with a first stop valve 43, and when the liquid level pipe 42 is used to assist in observing the liquid level, the first stop valve 43 is opened, and in this embodiment, the first stop valve 43 is an electric valve.
Or, in other embodiments of the liquid monitoring system, the liquid path system 4 includes an upper communicating pipe 41 connected to the upper end of the liquid level pipe 42 and the upper end of the chamber 1, one end of the upper communicating pipe 41 connected to the liquid level pipe 42 extends towards the direction away from the chamber 1 to form an extended end, and the extended end is provided with a second stop valve 44.
Obviously, the above-described arrangements may be implemented simultaneously.
Because the liquid 5 in the chamber 1 may be filled, in order to avoid the overflow of the liquid 5 in the liquid level pipe 42, the liquid path system 4 is provided with the upper communicating pipe 41 to close the communicating vessel, meanwhile, the connecting end of the upper communicating pipe 41 and the liquid level pipe 42 extends beyond the liquid level pipe 42, and the end is provided with the second stop valve 44, when the auxiliary observation of the liquid level is needed, the first stop valve 43 is opened, the second stop valve 44 is closed, when the liquid 5 is input into the chamber 1 from the liquid transmission tank 21, the first stop valve 43 is closed, and the second stop valve 44 is opened to communicate the inside of the chamber 1 with the atmosphere.
Further, the present invention provides a liquid monitoring method, please refer to fig. 2, which is a first embodiment of the liquid monitoring method, in this embodiment, the liquid monitoring method includes the following steps:
s100: acquiring a hydraulic value of a cavity to be monitored in real time;
s400: and obtaining the liquid amount of the cavity according to the hydraulic value and the mapping relation between the hydraulic value and the liquid amount.
It should be noted that, in the liquid monitoring method, first, the hydraulic value of the cavity to be monitored is obtained in real time, then, the mapping relationship between the hydraulic value and the liquid amount is established through the test of the liquid monitoring system, and the mapping relationship is a calibration curve, so that the change value of the corresponding liquid amount can be obtained in real time through the hydraulic value, and further, the liquid content value in the cavity is obtained.
Further, please refer to fig. 3, which is a second embodiment of the liquid monitoring method according to the present invention, in this embodiment, the liquid monitoring method further includes the following steps:
s200: injecting liquid into the cavity, and acquiring the amount of the injected liquid in real time;
s300: recording the hydraulic value obtained in real time and the liquid amount corresponding to the hydraulic value as a plurality of arrays, and fitting a relation curve of the hydraulic value and the liquid amount according to the plurality of arrays to form a mapping relation between the hydraulic value and the liquid amount.
It should be noted that the above steps can be realized by the liquid monitoring system provided by the present invention, and the mapping relationship can be more accurate and reliable by fitting a plurality of arrays.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A liquid monitoring system, comprising:
a cavity for containing a liquid;
the infusion unit is used for inputting the liquid into the cavity;
the monitoring unit comprises a pressure monitoring device and a metering device, the pressure monitoring device is arranged in the cavity and is used for monitoring a hydraulic value in the cavity, and the metering device is arranged in the infusion unit and is used for monitoring the liquid amount of the liquid input into the cavity by the infusion unit; and the number of the first and second groups,
and the controller is electrically connected with the pressure monitoring device and the metering device and is used for acquiring the mapping relation between the hydraulic value and the liquid amount according to the hydraulic value measured by the pressure monitoring device in real time and the liquid amount measured by the metering device in real time.
2. The fluid monitoring system of claim 1, wherein the controller forms a plurality of sets based on the real-time measured hydraulic pressure value of the pressure monitoring device and the real-time measured fluid amount of the metering device, each set including a hydraulic pressure value and a corresponding fluid amount, and forms a curve of the hydraulic pressure value versus the fluid amount by fitting the plurality of sets to form a mapping relationship between the hydraulic pressure value and the fluid amount.
3. The fluid monitoring system of claim 1, further comprising an early warning unit electrically connected to the controller, wherein the controller is configured to control the early warning unit to send an early warning signal when the hydraulic pressure value in the cavity or the rate of change of the hydraulic pressure value exceeds or is lower than a preset threshold.
4. The fluid monitoring system of claim 1, further comprising a remote control device and a local control device, both of which are electrically connected to the controller for controlling the controller remotely and locally, respectively.
5. The fluid monitoring system of claim 1, wherein the infusion unit comprises:
the infusion tank is used for storing the liquid and is provided with an infusion tube communicated with the cavity; and the number of the first and second groups,
the infusion pump is arranged in a liquid path system formed by the infusion tank and the infusion tube and used for inputting the liquid in the infusion tank into the cavity.
6. The fluid monitoring system of claim 5, wherein the bottom wall of the cavity is provided with a fluid inlet, the fluid line is connected to the fluid inlet, and the pressure monitoring device comprises a differential pressure sensor arranged at the fluid inlet; and/or the presence of a gas in the gas,
the metering device comprises a weight sensor arranged on the liquid conveying tank, and the controller is electrically connected with the weight sensor.
7. The fluid monitoring system of claim 6, wherein the fluid path system further comprises a fluid level tube connected at a lower end thereof to the fluid line, the fluid level tube extending in an up-down direction for displaying a fluid level within the cavity.
8. The fluid monitoring system of claim 7, wherein the fluid level tube is provided with a first shut-off valve; and/or the presence of a gas in the gas,
the liquid path system comprises an upper communicating pipe connected with the upper end of the liquid level pipe and the upper end of the cavity, the upper communicating pipe is connected with one end connected with the liquid level pipe, the end is far away from the cavity, the cavity extends in the direction to form an extension end, and the extension end is provided with a second stop valve.
9. The fluid monitoring system of claim 5, wherein the controller is electrically connected to the infusion pump, and the controller is configured to control the infusion pump to deliver fluid to the chamber when the value of the fluid pressure in the chamber or the rate of change of the value of the fluid pressure exceeds or falls below a predetermined threshold.
10. A method of monitoring a liquid, comprising the steps of:
acquiring a hydraulic value of a cavity to be monitored in real time;
and obtaining the liquid amount in the cavity according to the hydraulic value and the mapping relation between the hydraulic value and the liquid amount.
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554611Y (en) * | 2002-04-03 | 2003-06-04 | 郭让 | Fluid level indicator |
| CN102252730A (en) * | 2011-06-10 | 2011-11-23 | 厦门大学 | Software tank liquid level measuring instrument and method |
| CN202882433U (en) * | 2012-10-17 | 2013-04-17 | 三一重工股份有限公司 | Pumping mechanism and water recycling system with the same and concrete pump truck |
| CN203606014U (en) * | 2013-11-26 | 2014-05-21 | 河南恒昌计量自控设备有限公司 | Weighing-type liquid on-line metering system |
| CN203989650U (en) * | 2014-07-23 | 2014-12-10 | 徐州重型机械有限公司 | The liquid level detection device of a kind of fire fighting truck and flow container thereof |
| CN104314640A (en) * | 2014-08-19 | 2015-01-28 | 奇瑞汽车股份有限公司 | Monitoring device for engine oil reserves of vehicle engine |
| CN104961091A (en) * | 2015-07-02 | 2015-10-07 | 成都朗默科技有限责任公司 | Weighing container system, weighing type liquid distribution system and method |
| CN105502264A (en) * | 2016-01-08 | 2016-04-20 | 成都市天仁自动化科技有限公司 | Weighting type liquid metering system for automatic liquid selling machine and metering method thereof |
| CN205375103U (en) * | 2016-02-02 | 2016-07-06 | 昆明九天科技有限公司 | Pump station remote control system |
| CN205472619U (en) * | 2016-03-28 | 2016-08-17 | 安徽圣诺贝化学科技有限公司 | Liquid storage tank pipe transport system |
| CN206367292U (en) * | 2016-12-30 | 2017-08-01 | 北京宝旺印务有限公司 | A kind of paper printing machine automatic liquid supply system |
| CN107255500A (en) * | 2017-06-30 | 2017-10-17 | 佛山市云米电器科技有限公司 | A kind of detection method based on water in pressure detecting insulating pot |
| CN207584384U (en) * | 2017-12-15 | 2018-07-06 | 东明格鲁斯生物科技有限公司 | A kind of liquid material quantitative conveyer |
| CN207964017U (en) * | 2018-04-13 | 2018-10-12 | 中国神华能源股份有限公司 | High water tank detecting system |
| CN108680226A (en) * | 2018-03-01 | 2018-10-19 | 山东大学 | A kind of detection method of the current oil mass of accurate fuel tank |
| CN109445475A (en) * | 2018-12-17 | 2019-03-08 | 珠海格力智能装备有限公司 | Water supplement detection device, system and method |
| US10309210B2 (en) * | 2013-03-04 | 2019-06-04 | Fereidoun Abbassian | System and console for rig site fluid management at a well site |
| CN110180852A (en) * | 2019-06-13 | 2019-08-30 | 威克迈动力系统部件（廊坊）有限公司 | A kind of automatic liquid supply device |
-
2019
- 2019-11-06 CN CN201911080140.3A patent/CN110764540A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554611Y (en) * | 2002-04-03 | 2003-06-04 | 郭让 | Fluid level indicator |
| CN102252730A (en) * | 2011-06-10 | 2011-11-23 | 厦门大学 | Software tank liquid level measuring instrument and method |
| CN202882433U (en) * | 2012-10-17 | 2013-04-17 | 三一重工股份有限公司 | Pumping mechanism and water recycling system with the same and concrete pump truck |
| US10309210B2 (en) * | 2013-03-04 | 2019-06-04 | Fereidoun Abbassian | System and console for rig site fluid management at a well site |
| CN203606014U (en) * | 2013-11-26 | 2014-05-21 | 河南恒昌计量自控设备有限公司 | Weighing-type liquid on-line metering system |
| CN203989650U (en) * | 2014-07-23 | 2014-12-10 | 徐州重型机械有限公司 | The liquid level detection device of a kind of fire fighting truck and flow container thereof |
| CN104314640A (en) * | 2014-08-19 | 2015-01-28 | 奇瑞汽车股份有限公司 | Monitoring device for engine oil reserves of vehicle engine |
| CN104961091A (en) * | 2015-07-02 | 2015-10-07 | 成都朗默科技有限责任公司 | Weighing container system, weighing type liquid distribution system and method |
| CN105502264A (en) * | 2016-01-08 | 2016-04-20 | 成都市天仁自动化科技有限公司 | Weighting type liquid metering system for automatic liquid selling machine and metering method thereof |
| CN205375103U (en) * | 2016-02-02 | 2016-07-06 | 昆明九天科技有限公司 | Pump station remote control system |
| CN205472619U (en) * | 2016-03-28 | 2016-08-17 | 安徽圣诺贝化学科技有限公司 | Liquid storage tank pipe transport system |
| CN206367292U (en) * | 2016-12-30 | 2017-08-01 | 北京宝旺印务有限公司 | A kind of paper printing machine automatic liquid supply system |
| CN107255500A (en) * | 2017-06-30 | 2017-10-17 | 佛山市云米电器科技有限公司 | A kind of detection method based on water in pressure detecting insulating pot |
| CN207584384U (en) * | 2017-12-15 | 2018-07-06 | 东明格鲁斯生物科技有限公司 | A kind of liquid material quantitative conveyer |
| CN108680226A (en) * | 2018-03-01 | 2018-10-19 | 山东大学 | A kind of detection method of the current oil mass of accurate fuel tank |
| CN207964017U (en) * | 2018-04-13 | 2018-10-12 | 中国神华能源股份有限公司 | High water tank detecting system |
| CN109445475A (en) * | 2018-12-17 | 2019-03-08 | 珠海格力智能装备有限公司 | Water supplement detection device, system and method |
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