CN108344465A - Method and device for measuring liquid level based on liquid temperature - Google Patents
Method and device for measuring liquid level based on liquid temperature Download PDFInfo
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- CN108344465A CN108344465A CN201810149853.XA CN201810149853A CN108344465A CN 108344465 A CN108344465 A CN 108344465A CN 201810149853 A CN201810149853 A CN 201810149853A CN 108344465 A CN108344465 A CN 108344465A
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- 239000007788 liquid Substances 0.000 title claims abstract description 235
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 52
- 238000004458 analytical method Methods 0.000 claims abstract description 18
- 238000004364 calculation method Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000009776 industrial production Methods 0.000 abstract description 5
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 235000007164 Oryza sativa Nutrition 0.000 abstract 1
- 230000035622 drinking Effects 0.000 abstract 1
- 235000009566 rice Nutrition 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 6
- 241000190070 Sarracenia purpurea Species 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000035945 sensitivity Effects 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
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The application discloses method based on liquid temperature measurement liquid level, through evenly setting up N temperature measurement element along the container direction of height, N is the integer that is equal to or is greater than 1, then utilize each temperature measurement element to detect the temperature that acquires its corresponding container height, thereby according to the height of container, the liquid level height of the liquid that is located the container is obtained in the analysis and calculation to the quantity of temperature measurement element and the temperature that each temperature measurement element detected, it is convenient to reach the measurement, measurement accuracy is high, and can calculate the liquid level height of liquid in the container fast, thereby but wide application in practical application such as intelligent drinking cup, intelligent kettle, intelligent electric rice cooker, industrial production, the suitability based on this application liquid temperature measurement liquid level's method has greatly improved. Simultaneously, this application still discloses a device that can measure liquid level based on liquid temperature.
Description
【Technical field】
It is in particular to a kind of based on liquid temperature measurement liquid level this application involves the technical field of liquid measure
Method and it is a kind of can be based on the device of liquid temperature measurement liquid level.
【Background technology】
Liquid level refers to the liquid level of liquid medium in a reservoir, either in industrial production or in daily life, all
It is an important parameter, affects volume size of the liquid medium in container.
The measurement method of existing liquid volume has the contactless liquids measurement method such as Weighing type, condenser type, ultrasonic type, with
And it is in direct contact the measurement method of liquid.But weighing measurement there are it is complicated, be not easy waterproof and need timing alignment etc.
Problem；It must be the non-conductors container such as plastics that measurement by capacitance liquid volume, which requires liner, and there are larger limitations；Ultrasonic wave
Formula measures liquid volume there is also mechanisms the problems such as complicated, poor practicability；And direct contact type measures liquid volume and there is appearance
Fluid to be measured easy to pollute, then so that fluid to be measured the problems such as there are security risks.Therefore, a kind of measurement is now needed to facilitate, measure
Precision is high and can quickly calculate and show the measurement method and device of liquid in containers liquid level.
【Invention content】
In order to solve the above-mentioned technical problem the application, provides a kind of method based on liquid temperature measurement liquid level.
In order to solve the above technical problems, method of the application based on liquid temperature measurement liquid level is by the following technical programs
It realizes：
Based on the method for liquid temperature measurement liquid level, N number of temperature element is uniformly arranged along container height direction, N be equal to
Or the integer more than 1, then it is obtained using the detection of each temperature element and correspond to the temperature of container height, to according to the height of container
Degree, the quantity of temperature element and the temperature detected by each temperature element calculate the liquid for obtaining the liquid being located in container to analyze
Face height.
Method as described above based on liquid temperature measurement liquid level, N are the integer equal to or more than 3.
Method as described above based on liquid temperature measurement liquid level, when temperature of the environment temperature less than liquid in container
When, 1. according to calculation formula：Calculate the liquid level of liquid in container；
When environment temperature is higher than the temperature of liquid in container, 2. according to calculation formula：
Calculate the liquid level of liquid in container；
Wherein, define the arrangement ordinal number of N number of temperature element from top to bottom and be followed successively by 1 to N, when along container height direction under
When the supreme temperature element for being arranged in order and being located under liquid levels detects mutually synthermal, it is determined that detect mutually synthermal
Temperature element in a most upper temperature element close to liquid levels corresponding to ordinal number be X, then X temperature element
The temperature of detection is T, can determine that the temperature of -1 temperature element of X detection in liquid levels is T accordinglyX-1With X -2
The temperature of a temperature element detection is TX-2, HXFor the liquid level of liquid in container, H is container height, and N is temperature element
Total number.
Compared with prior art, above-mentioned application has the following advantages：
Method of the application based on liquid temperature measurement liquid level passes through according to the height of container, the quantity of temperature element and each
Temperature detected by temperature element calculates the liquid level for obtaining the liquid being located in container to analyze, reach measurement it is convenient,
High certainty of measurement and the liquid level of liquid in containers can be quickly calculated, and could be applicable to a plurality of types of fluids to be measured,
To can be widely applied in the practical applications such as Intelligent water cup, intelligent kettle, intelligent electric cooker, industrial production, substantially increase
The applicability of method of the application based on liquid temperature measurement liquid level.
The application also provide it is a kind of can based on the device of liquid temperature measurement liquid level, include receive liquid container and
On the container and along N number of temperature element that the container height direction is uniformly arranged, N is the integer equal to or more than 1,
Then it obtains it using each temperature element detection and corresponds to the temperature of the container height.
As described above can based on the device of liquid temperature measurement liquid level, it is described can be based on the dress of liquid temperature measurement liquid level
It sets and further includes：
Computing unit is analyzed, is connect with the temperature element and according to the height of the container, the temperature element
Temperature detected by quantity and each temperature element calculates the liquid level height for obtaining the liquid being located in the container to analyze
Degree.
Can be as described above the integer equal to or more than 3 based on the device of liquid temperature measurement liquid level, N.
It as described above can be based on the device of liquid temperature measurement liquid level, when environment temperature is less than liquid in the container
When temperature, 1. according to calculation formula：The liquid level for calculating liquid in the container is high
Degree；
When environment temperature is higher than the temperature of liquid in the container, 2. according to calculation formula：
Calculate the liquid level of liquid in the container；
Wherein, it defines the arrangement ordinal number of N number of temperature element from top to bottom and is followed successively by 1 to N, when along the container height
When direction is arranged in order from the bottom to top and the temperature element under liquid levels detects mutually synthermal, it is determined that inspection
It is X to measure the ordinal number corresponding to the most upper temperature element close to liquid levels in the mutually synthermal temperature element,
Then the temperature of X temperature element detection is T, can determine -1 temperature element detection of X in liquid levels accordingly
Temperature be TX-1Temperature with the detection of -2 temperature elements of X is TX-2, HXFor the liquid level of liquid in the container, H is
The container height, N are the total number of the temperature element.
As described above can based on the device of liquid temperature measurement liquid level, it is described can be based on the dress of liquid temperature measurement liquid level
It sets and further includes：
Electrical connecting unit is set to the outside of containers, connects the temperature element to circuit and the analysis calculates
Unit；
Information conversion unit is electrically connected on the electrical connecting unit, is obtained to detect each temperature element
The temperature information corresponding conversion taken is each temperature digital signal, and each temperature digital signal is delivered to the analysis and calculates list
Member.
As described above can based on the device of liquid temperature measurement liquid level, it is described can be based on the dress of liquid temperature measurement liquid level
It further includes display unit to set, and the display unit is electrically connected with the electrical connecting unit, when the analysis computing unit analysis meter
It calculates in the container liquid level of liquid and when by liquid level height value information conveyance to the display unit, the display is single
Member is showing the liquid level height value of liquid in the container.
Can be as described above circuit board, the survey based on the device of liquid temperature measurement liquid level, the electrical connecting unit
Warm element is NTC temperature sensors, and described information converting unit is ADC, and the analysis computing unit is MCU.
Compared with prior art, above-mentioned application has the following advantages：
1, the application can be used simple in structure based on the device of liquid temperature measurement liquid level, and pass through the height according to container
Degree, the quantity of temperature element and the temperature detected by each temperature element calculate the liquid for obtaining the liquid being located in container to analyze
Face height reaches convenient measurement, high certainty of measurement and the liquid level that can quickly calculate liquid in containers, so as to extensive
Applied in the practical applications such as Intelligent water cup, intelligent kettle, intelligent electric cooker, industrial production, to greatest extent on embodied this
Application can be based on the applicability and practicability of the device of liquid temperature measurement liquid level；
2, the application can the device based on liquid temperature measurement liquid level reach simple and clear aobvious by using display device
Show the concrete numerical value of the liquid level of liquid in the container, and then significantly facilitates the number for knowing liquid level in user's observation
According to.
【Description of the drawings】
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is that the application can be based on the structural schematic diagram of the device of liquid temperature measurement liquid level.
Fig. 2 be the application can temperature element described in the device based on liquid temperature measurement liquid level be set to the order that is electrically connected
Schematic diagram in member.
【Specific implementation mode】
It is described in further detail below by specific implementation mode and in conjunction with attached drawing to the application.
Based on the method for liquid temperature measurement liquid level, N number of temperature element 200, N is uniformly arranged along 100 short transverse of container
For the integer equal to or more than 1, then it is obtained using the detection of each temperature element 200 and correspond to the temperature of 100 height of container, to
Temperature detected by the height of container 100, the quantity of temperature element 200 and each temperature element 200 obtains to analyze calculating
Fetch bit is in the liquid level of the liquid 101 in container 100.
Method of the application based on liquid temperature measurement liquid level passes through the number according to the height of container 100, temperature element 200
Temperature detected by amount and each temperature element 200 calculates the liquid level height for obtaining the liquid 101 being located in container 100 to analyze
Degree does not only reach convenient measurement, high certainty of measurement and the liquid level that can quickly calculate liquid 101 in container 100, and also
A plurality of types of fluids to be measured are applicable to, to can be widely applied to Intelligent water cup, intelligent kettle, intelligent electric cooker, industry
In the practical applications such as production, the applicability of method of the application based on liquid temperature measurement liquid level is substantially increased.
Specifically, when N is integer equal to or more than 3, and environment temperature is less than in container 100 when the temperature of liquid, root
1. according to calculation formula：Calculate the liquid level of liquid 101 in container 100；
When environment temperature is higher than the temperature of liquid in container 100,2. according to calculation formula：
Calculate the liquid level of liquid 101 in container 100；
Wherein, it defines the arrangement ordinal number of N number of temperature element 200 from top to bottom and is followed successively by 1 to N, when high along the container 100
When degree direction is arranged in order from the bottom to top and the temperature element 200 under liquid levels detects mutually synthermal, it is determined that
Detect the ordinal number corresponding to the most upper temperature element 200 close to liquid levels in mutually synthermal temperature element 200
For X, then the temperature of X temperature element detection is T, can determine -1 temperature element of X in liquid levels accordingly
The temperature of detection is TX-1Temperature with the detection of -2 temperature elements of X is TX-2, HXIt is high for the liquid level of liquid 101 in container 100
Degree, H are the height of container 100, and N is the total number of temperature element 200.
Further, N is preferably, equal to or greater than 10 integer, and its object is to meet the needs of detection fluid temperature.
The application further mention it is a kind of can be based on the device of liquid temperature measurement liquid level comprising to receive liquid 101
Container 100 and on the container 100 and along N number of temperature element 200 that 100 short transverse of the container is uniformly arranged, N is
Integer equal to or more than 1 then obtains it using the detection of each temperature element 200 and corresponds to the temperature of 100 height of the container
Degree, so as to pass through the temperature detected by the height of container 100, the quantity of temperature element 200 and each temperature element 200
Calculate the liquid level for obtaining the liquid 101 being located in the container 100 to analyze, reach measurement convenient, high certainty of measurement and
The liquid level that liquid in containers can quickly be calculated, to can be widely applied to the electric meal of Intelligent water cup, intelligent kettle, intelligence
In the practical applications such as pot, industrial production, to greatest extent on embodied the application can be based on the device of liquid temperature measurement liquid level
Applicability and practicability.
Described can further include analysis computing unit 2, the analysis computing unit 2 based on the device of liquid temperature measurement liquid level
It is connect with the temperature element 200, and according to the height of the container 100, the quantity of the temperature element 200 and each survey
Temperature detected by warm element 200 calculates the liquid level for obtaining the liquid 101 being located in the container 100 to analyze.
Further, N is the integer equal to or more than 3, and when environment temperature is less than liquid 101 in the container 100
When temperature, 1. according to calculation formula： Calculate the liquid of liquid 101 in the container 100
Face height；
When environment temperature is higher than the temperature of liquid 101 in the container 100,2. according to calculation formula：
Calculate the liquid level of liquid 101 in the container 100；
Wherein, it defines the arrangement ordinal number of N number of temperature element 200 from top to bottom and is followed successively by 1 to N, when along the container
100 short transverses are arranged in order and detect phase equality of temperature positioned at the subsurface temperature element of liquid 101 200 from the bottom to top
When spending, it is determined that detect the most upper temperature element close to liquid levels in the mutually synthermal temperature element 200
Ordinal number corresponding to 200 is X, and then the temperature of X temperature element detection is T, be can determine in liquid levels accordingly
The temperature of -1 temperature element of X detection is TX-1Temperature with the detection of -2 temperature elements of X is TX-2, HXFor the container
The liquid level of liquid 101 in 100, H are the height of the container 100, and N is the total number of the temperature element 200.
Further, N is preferably, equal to or greater than 10 integer, and its object is to meet the need of detection fluid temperature
It asks.
Described can further include electrical connecting unit 3 and information conversion unit based on the device of liquid temperature measurement liquid level.It is described
Electrical connecting unit 3 is set to 100 outside of the container, and the temperature element 200 and the analysis computing unit are connected to circuit
2, its purpose is to provide the connection circuits on basis.Described information converting unit is electrically connected on the electrical connecting unit 3, to
It is each temperature digital signal that each temperature element 200 is detected to the temperature information corresponding conversion obtained, and by each temperature number
Word signal is delivered to the analysis computing unit 2, and the advantage is that quickly to detect the temperature obtained by the temperature element 200
Degree information is converted to temperature digital signal, meets job requirement.
Described can further include display unit based on the device of liquid temperature measurement liquid level, and the display unit is electrically connected with described
Order member 3 is electrically connected, when the analysis computing unit 2 analysis calculates the liquid level of liquid 101 in the container 100 and will
When liquid level height value information conveyance to the display unit, the display unit is showing liquid 101 in the container 100
Liquid level height value.The advantage is that can be simple and clear the display container 100 in liquid 101 liquid level it is specific
Numerical value, and then significantly facilitate the data that liquid level is known in user's observation.
The electrical connecting unit 3 be circuit board, preferably FPC, the advantage is that FPC have packing density it is high, it is small,
Light weight, reliability be high, the outstanding features such as easy for installation.The temperature element 200 is NTC temperature sensors, be the advantage is that
NTC temperature sensors not only have high sensitivity, fast response time, the outstanding features such as flexibly simple in structure, and also have good
Insulated enclosure and resistance to mechanical collision, bend resistance ability.Described information converting unit is ADC, and the advantage is that can be quick
The temperature element 200 is detected into the temperature information obtained and is converted to temperature digital signal, meets job requirement.The analysis
Computing unit 2 be MCU, the advantage is that MCU be suitble to different aforementioned sources a variety of data analyzing processing and operation, and with compared with
Strong control function.
Presently filed embodiment is explained in detail in summary, but the application is not limited to the above embodiment.
Even if it is to the application, various changes can be made, then still falls within the protection domain in the application.
Claims (10)
1. the method based on liquid temperature measurement liquid level, it is characterised in that：It is uniformly arranged N number of thermometric member along container height direction
Part, N are the integer equal to or more than 1, and then obtaining it using the detection of each temperature element corresponds to the temperature of container height, to root
It is located in container to analyze to calculate to obtain according to the temperature detected by the height of container, the quantity of temperature element and each temperature element
Liquid liquid level.
2. the method according to claim 1 based on liquid temperature measurement liquid level, it is characterised in that：N is equal to or more than 3
Integer.
3. the method according to claim 2 based on liquid temperature measurement liquid level, it is characterised in that：When environment temperature is less than
In container when the temperature of liquid, 1. according to calculation formula： Calculate liquid in container
Liquid level；
When environment temperature is higher than the temperature of liquid in container, 2. according to calculation formula：
Calculate the liquid level of liquid in container；
Wherein, define the arrangement ordinal number of N number of temperature element from top to bottom and be followed successively by 1 to N, when along container height direction from the bottom to top
It is arranged in order and when the temperature element under the liquid levels detects mutually synthermal, it is determined that detect mutually synthermal survey
The ordinal number corresponding to a most upper temperature element close to liquid levels in warm element is X, and then X temperature element detects
Temperature be T, can determine accordingly in liquid levels -1 temperature element of X detection temperature be TX-1With -2 surveys of X
The temperature of warm element testing is TX-2, HXFor the liquid level of liquid in container, H is container height, and N is total of temperature element
Number.
4. can be based on the device of liquid temperature measurement liquid level, it is characterised in that：Include receiving the container of liquid and set on institute
It states on container and along N number of temperature element that the container height direction is uniformly arranged, N is the integer equal to or more than 1, then sharp
It, which is obtained, with each temperature element detection corresponds to the temperature of the container height.
5. according to claim 4 can be based on the device of liquid temperature measurement liquid level, it is characterised in that：It is described to be based on liquid
The device of temperature measurement liquid level further includes：
Computing unit is analyzed, is connect with the temperature element and according to the height of the container, the quantity of the temperature element
And the temperature detected by each temperature element calculates the liquid level for obtaining the liquid being located in the container to analyze.
6. according to claim 5 can be based on the device of liquid temperature measurement liquid level, it is characterised in that：N is to be equal to or greatly
In 3 integer.
7. according to claim 6 can be based on the device of liquid temperature measurement liquid level, it is characterised in that：When environment temperature is low
When the temperature of liquid in the container, 1. according to calculation formula：It calculates described
The liquid level of liquid in container；
When environment temperature is higher than the temperature of liquid in the container, 2. according to calculation formula：
Calculate the liquid level of liquid in the container；
Wherein, it defines the arrangement ordinal number of N number of temperature element from top to bottom and is followed successively by 1 to N, when along the container height direction
It is arranged in order from the bottom to top and when the temperature element under the liquid levels detects mutually synthermal, it is determined that detect
The ordinal number corresponding to a most upper temperature element close to liquid levels in the mutually synthermal temperature element is X, then
The temperature of X temperature element detection is T, can determine the temperature of -1 temperature element of X detection in liquid levels accordingly
Degree is TX-1Temperature with the detection of -2 temperature elements of X is TX-2, HXFor the liquid level of liquid in the container, H is described
Container height, N are the total number of the temperature element.
8. according to claim 5 can be based on the device of liquid temperature measurement liquid level, it is characterised in that：It is described to be based on liquid
The device of temperature measurement liquid level further includes：
Electrical connecting unit is set to the outside of containers, and the temperature element and the analysis computing unit are connected to circuit；
Information conversion unit is electrically connected on the electrical connecting unit, to by each detected acquisition of temperature element
Temperature information corresponding conversion is each temperature digital signal, and each temperature digital signal is delivered to the analysis computing unit.
9. according to claim 8 can be based on the device of liquid temperature measurement liquid level, it is characterised in that：It is described to be based on liquid
The device of temperature measurement liquid level further includes display unit, and the display unit is electrically connected with the electrical connecting unit, when described
Analysis computing unit analysis calculates the liquid level of liquid in the container and shows liquid level height value information conveyance to described
When showing unit, the display unit is showing the liquid level height value of liquid in the container.
10. according to claim 9 can be based on the device of liquid temperature measurement liquid level, it is characterised in that：The electrical connection
Unit is circuit board, and the temperature element is NTC temperature sensors, and described information converting unit is ADC, and the analysis calculates single
Member is MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149853.XA CN108344465A (en) | 2018-02-13 | 2018-02-13 | Method and device for measuring liquid level based on liquid temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149853.XA CN108344465A (en) | 2018-02-13 | 2018-02-13 | Method and device for measuring liquid level based on liquid temperature |
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| Publication Number | Publication Date |
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| CN108344465A true CN108344465A (en) | 2018-07-31 |
Family
ID=62959783
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810149853.XA Pending CN108344465A (en) | 2018-02-13 | 2018-02-13 | Method and device for measuring liquid level based on liquid temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113043750A (en) * | 2021-02-23 | 2021-06-29 | 珠海艾派克微电子有限公司 | Liquid level sensing method, consumable verification method and device and print cartridge |
| CN113080698A (en) * | 2020-01-08 | 2021-07-09 | 深圳爱特嘉智能科技有限公司 | Liquid amount detection method, electric kettle and computer readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204924372U (en) * | 2015-08-21 | 2015-12-30 | 山东桑乐太阳能有限公司 | Level sensor based on temperature sensor |
| CN106197606A (en) * | 2016-09-05 | 2016-12-07 | 冯正民 | Layering interfaces measurement apparatus and method in a kind of container |
| CN107091667A (en) * | 2017-05-08 | 2017-08-25 | 哈尔滨工大兴科电子科技有限公司 | The liquid level detection system that a kind of use temperature sensor is realized |
-
2018
- 2018-02-13 CN CN201810149853.XA patent/CN108344465A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204924372U (en) * | 2015-08-21 | 2015-12-30 | 山东桑乐太阳能有限公司 | Level sensor based on temperature sensor |
| CN106197606A (en) * | 2016-09-05 | 2016-12-07 | 冯正民 | Layering interfaces measurement apparatus and method in a kind of container |
| CN107091667A (en) * | 2017-05-08 | 2017-08-25 | 哈尔滨工大兴科电子科技有限公司 | The liquid level detection system that a kind of use temperature sensor is realized |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113080698A (en) * | 2020-01-08 | 2021-07-09 | 深圳爱特嘉智能科技有限公司 | Liquid amount detection method, electric kettle and computer readable storage medium |
| CN113043750A (en) * | 2021-02-23 | 2021-06-29 | 珠海艾派克微电子有限公司 | Liquid level sensing method, consumable verification method and device and print cartridge |
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