CN107192636A - Device for measuring volumetric flow of fluid, device for storing liquid, fluid density and liquid level measuring method - Google Patents
Device for measuring volumetric flow of fluid, device for storing liquid, fluid density and liquid level measuring method Download PDFInfo
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- CN107192636A CN107192636A CN201710578513.4A CN201710578513A CN107192636A CN 107192636 A CN107192636 A CN 107192636A CN 201710578513 A CN201710578513 A CN 201710578513A CN 107192636 A CN107192636 A CN 107192636A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
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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
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Abstract
The invention provides a kind of device for measuring volumetric flow of fluid, device for storing liquid, fluid density and liquid level measuring method, device for measuring volumetric flow of fluid includes：Air pump；Aspirating pipeline, the inlet end of aspirating pipeline is connected with air pump, and the aspirating end of aspirating pipeline is connected with the side wall of reservoir, and the connectivity part of the side wall of aspirating end and reservoir is tested point, aspirating pipeline is at least two, and the tested point of at least two aspirating pipelines is not in same level；Wherein, aspirating pipeline is used to be used to send into gas to aspirating pipeline with the fluid connection in reservoir, air pump.The present invention device for measuring volumetric flow of fluid solve in the prior art measurement reservoir in liquid density and liquid level method it is complex the problem of.
Description
Technical field
It is close in particular to a kind of device for measuring volumetric flow of fluid, device for storing liquid, liquid the present invention relates to liquid measure field
Degree and liquid level measuring method.
Background technology
Whether in industrial production or scientific experiment, many occasions need to measure the density and liquid of liquid in reservoir
Position.Wherein, density is an important indicator for reflecting liquid property, and it can be by factors such as temperature, the pressure of detected solution
Influence, and liquid level information is directly connected to the safe and stable operation of equipment.
The density and level value of general liquid are measured or indicated with glass overstatement and glass-tube liquid level meter respectively.Glass is floated
Meter need to be put into fluid to be measured vertically, and reading is carried out after it is stable；Glass-tube liquid level meter is connected by flange with container side wall,
The liquid level of liquid in container can be directly read by graduation mark.
The normal temperature of glass overstatement is usually 20 DEG C, and need to enter trip temperature to indicating value when being used under non-standard temperature repaiies
Just；The overstatement of dimension is optionally selected during measurement, and solution is taken out from reservoir, operation inconvenience, and reading
When overstatement it is vertical and degree of stability is difficult to control, measuring result error can be caused, easily breakage during use.
In addition, glass-tube liquid level meter is not suitable for mordant liquid, resistance to pressure is poor, non-refractory, and the time is long
Can occur scale-wearing phenomenon and can not reading.
The content of the invention
It is a primary object of the present invention to provide a kind of device for measuring volumetric flow of fluid, device for storing liquid, fluid density and liquid level
Measuring method, is asked so that the method for the density of liquid in solution in the prior art measurement reservoir and liquid level is complex
Topic.
To achieve these goals, according to the first aspect of the invention there is provided a kind of device for measuring volumetric flow of fluid, including：
Air pump；Aspirating pipeline, the inlet end of aspirating pipeline is connected with air pump, and the aspirating end of aspirating pipeline is connected with the side wall of reservoir,
The connectivity part of the side wall of aspirating end and reservoir is tested point, and aspirating pipeline is at least two, and at least two aspirating pipelines are treated
Measuring point is not in same level；Wherein, aspirating pipeline is used to be used for aspirating pipeline with the fluid connection in reservoir, air pump
Send into gas.
Further, aspirating pipeline includes：First aspirating pipeline, the first end of the first aspirating pipeline is connected with air pump, the
Second end of one aspirating pipeline is connected with the side wall of reservoir, and first pressure table is provided with the first aspirating pipeline.
Further, the first aspirating pipeline has the first pipeline section and the second pipeline section, the first end and reservoir of the first pipeline section
The connection of side wall, the second end of the first pipeline section connected with the first end of the second pipeline section, and the second end of the second pipeline section is connected with air pump,
Short transverse extension of second pipeline section along reservoir, first pressure table is arranged on the second pipeline section.
Further, first gas flowmeter is provided with the second pipeline section, first gas flowmeter is arranged on air pump and
Between one pressure gauge, wherein, the height of first pressure table position is more than the liquid storing heights of reservoir.
Further, aspirating pipeline also includes：Second aspirating pipeline, the first end of the second aspirating pipeline is connected with air pump,
Second pressure table is provided with second end of the second aspirating pipeline and the connection of the side wall of reservoir, the second aspirating pipeline, wherein,
The side wall communicating position of first aspirating pipeline and the second aspirating pipeline and reservoir is not on same horizontal plane.
Further, the second aspirating pipeline has the 3rd pipeline section and the 4th pipeline section, the first end and reservoir of the 3rd pipeline section
The connection of side wall, the second end of the 3rd pipeline section connected with the first end of the 4th pipeline section, and the second end of the 4th pipeline section is connected with air pump,
Wherein, short transverse extension of the 4th pipeline section along reservoir, second pressure table is arranged on the 4th pipeline section.
Further, second gas flowmeter is provided with the 4th pipeline section, second gas flowmeter is arranged on air pump and
Between two pressure gauges, wherein, the height of second pressure table position is more than the liquid storing heights of reservoir.
Further, aspirating pipeline also includes：3rd aspirating pipeline, the first end of the 3rd aspirating pipeline is connected with air pump,
Second end of the 3rd aspirating pipeline is connected with the first aspirating pipeline and the second aspirating pipeline.
According to the second aspect of the invention there is provided a kind of device for storing liquid, including reservoir and device for measuring volumetric flow of fluid, liquid
Fluid measurement device is above-mentioned device for measuring volumetric flow of fluid, wherein, device for measuring volumetric flow of fluid is connected with reservoir.
According to the third aspect of the present invention there is provided a kind of liquid density measurement method, measuring method is using above-mentioned
Device for measuring volumetric flow of fluid carries out the liquid density measurement of reservoir, including：Open air pump, air pump to the fluid connection in reservoir
Aspirating pipeline in feeding gas until gassy in aspirating pipeline, the atmospheric pressure value in aspirating pipeline is the liquid level of tested point
Liquid pressure value, wherein, tested point is at least two, utilizes pressure differential △ P, difference in height h and the gravity of two tested points
Acceleration g obtains the density p of liquid.
According to the fourth aspect of the present invention there is provided a kind of liquid level measuring method, measuring method is using above-mentioned
Device for measuring volumetric flow of fluid carries out the liquid density measurement of reservoir, including：Open air pump, air pump to the fluid connection in reservoir
Aspirating pipeline in feeding gas until gassy in aspirating pipeline, the atmospheric pressure value in aspirating pipeline is the liquid level of tested point
Liquid pressure value, wherein, tested point is at least two, utilizes pressure differential △ P, difference in height h and the gravity of two tested points
Acceleration g obtains the density p of liquid；Using the fluid pressure P of any tested point, the density p of liquid and gravity acceleration g,
Tested point is obtained to the liquid level S on liquid top.
The device for measuring volumetric flow of fluid of the present invention realizes the survey to the fluid pressure in reservoir by air pump and aspirating pipeline
Amount, wherein, the inlet end of aspirating pipeline is connected with air pump, and the aspirating end of aspirating pipeline is connected with the side wall of reservoir, aspirating end
Connectivity part with the side wall of reservoir is tested point, and aspirating pipeline is at least two, and the tested point of at least two aspirating pipelines is not
In same level.In specific measurement process, air pump is opened, air pump is to the aspirating pipeline with the fluid connection in reservoir
Interior feeding gas is until the atmospheric pressure value in aspirating pipeline in gassy, aspirating pipeline is the fluid pressure of the liquid level of tested point
Value, the density p of liquid is obtained using pressure differential △ P, the difference in height h and gravity acceleration g of two tested points, and then basis is appointed
Fluid pressure P, the density p of liquid and the gravity acceleration g of one tested point, the liquid level for obtaining tested point to liquid top are high
Degree.
In compared with prior art, the density and level value of general liquid are surveyed with glass overstatement and glass-tube liquid level meter respectively
Amount is indicated, the overstatement of dimension is optionally selected during measurement, and solution is taken out from reservoir, operation inconvenience,
It is easily damaged during use and overstatement is vertical during reading and degree of stability is whard to control, can cause measuring result error；And glass
Glass pipe liquid level gauge is not suitable for mordant liquid, resistance to pressure is poor, non-refractory, and scale-wearing can occur for time length
Phenomenon and can not reading, and the device for measuring volumetric flow of fluid of the application just can quickly obtain the close of liquid by air pump and aspirating pipeline
Degree and liquid level, thus solve in measurement reservoir in the prior art the density of liquid and the method for liquid level compared with
The problem of for complexity.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment of the device for storing liquid according to the present invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, reservoir；20th, air pump；30th, aspirating pipeline；31st, the first aspirating pipeline；311st, the first pipeline section；312nd, the second pipe
Section；32nd, the second aspirating pipeline；321st, the 3rd pipeline section；322nd, the 4th pipeline section；33rd, the 3rd aspirating pipeline；40th, first pressure table；
50th, second pressure table；60th, first gas flowmeter；70th, second gas flowmeter；80th, device for measuring volumetric flow of fluid.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The invention provides a kind of device for measuring volumetric flow of fluid, Fig. 1 is refer to, device for measuring volumetric flow of fluid includes：Air pump 20；Snorkel
Road 30, the inlet end of aspirating pipeline 30 is connected with air pump 20, and the aspirating end of aspirating pipeline 30 is connected with the side wall of reservoir 10, is sent
The connectivity part of gas end and the side wall of reservoir 10 is tested point, and aspirating pipeline 30 is at least two, at least two aspirating pipelines 30
Tested point not in same level；Wherein, aspirating pipeline 30 is used to be used for the fluid connection in reservoir 10, air pump 20
Gas is sent into aspirating pipeline 30.
The device for measuring volumetric flow of fluid of the present invention is realized to the liquid pressure in reservoir 10 by air pump 20 and aspirating pipeline 30
The measurement of power, wherein, the inlet end of aspirating pipeline 30 is connected with air pump 20, the aspirating end of aspirating pipeline 30 and the side of reservoir 10
Wall is connected, and the connectivity part of aspirating end and the side wall of reservoir 10 is tested point, and aspirating pipeline 30 is at least two, and at least two send
The tested point of air pipe 30 is not in same level.In specific measurement process, open air pump 20, air pump 20 to reservoir
Feeding gas is up to the gas in aspirating pipeline 30 in gassy, aspirating pipeline 30 in the aspirating pipeline 30 of fluid connection in 10
Pressure value is the liquid pressure value of the liquid level of tested point, and pressure differential △ P, difference in height h and the gravity using two tested points add
Speed g obtains the density p of liquid, then according to the fluid pressure P of any tested point, the density p of liquid and acceleration of gravity
G, obtains tested point to the liquid level S on liquid top.
In the present embodiment, S is equal to H or H-h.
In compared with prior art, the density and level value of general liquid are surveyed with glass overstatement and glass-tube liquid level meter respectively
Amount is indicated, the overstatement of dimension is optionally selected during measurement, and solution is taken out from reservoir, operation inconvenience,
It is easily damaged during use and overstatement is vertical during reading and degree of stability is whard to control, can cause measuring result error；And glass
Glass pipe liquid level gauge is not suitable for mordant liquid, resistance to pressure is poor, non-refractory, and scale-wearing can occur for time length
Phenomenon and can not reading, and the device for measuring volumetric flow of fluid of the application just can quickly obtain liquid by air pump 20 and aspirating pipeline 30
Density and liquid level, so as to solve the density and liquid level of liquid in measurement reservoir 10 in the prior art
The problem of method is complex.
For the concrete structure of aspirating pipeline 30, as shown in figure 1, aspirating pipeline 30 includes：First aspirating pipeline 31, first
The first end of aspirating pipeline 31 is connected with air pump 20, and the second end of the first aspirating pipeline 31 is connected with the side wall of reservoir 10, the
First pressure table 40 is provided with one aspirating pipeline 31.
In order to ensure that aspirating pipeline 30 stably obtains the pressure value of measurement point, the first aspirating pipeline 31 has the first pipeline section
311 and second pipeline section 312, the first end of the first pipeline section 311 is connected with the side wall of reservoir 10, the second end of the first pipeline section 311
Connected with the first end of the second pipeline section 312, the second end of the second pipeline section 312 is connected with air pump 20, the second pipeline section 312 is along reservoir
10 short transverse extension, first pressure table 40 is arranged on the second pipeline section 312.
In the present embodiment, the first aspirating pipeline 31 is made up of the first pipeline section 311 and the second pipeline section 312, wherein, the first pipe
311 first end of section is connected with the side wall of reservoir 10, and the second end of the first pipeline section 311 and the first end of the second pipeline section 312 connect
Logical, the second end of the second pipeline section 312 is connected with air pump 20, short transverse extension of second pipeline section 312 along reservoir 10, the first pressure
Power table 40 is arranged on the second pipeline section 312, it is preferable that the first pipeline section 311 is perpendicular to the second pipeline section 312.
In order to control the gas pushing quantity in 20 pair of first aspirating pipeline 31 of air pump, as shown in figure 1, on the second pipeline section 312
First gas flowmeter 60 is provided with, first gas flowmeter 60 is arranged between air pump 20 and first pressure table 40, wherein, the
The height of the position of one pressure gauge 40 is more than the liquid storing heights of reservoir 10.By being provided with first on the second pipeline section 312
Gas flowmeter 60, wherein, first gas flowmeter 60 is arranged between air pump 20 and first pressure table 40, passes through first gas
Flowmeter 60 can adjust the gas pushing quantity in the first aspirating pipeline 31 of feeding, it is preferable that the height of the position of first pressure table 40
Degree is more than the liquid storing heights of reservoir 10, to prevent liquid insult first pressure table 40
Correspondingly, aspirating pipeline 30 also includes：Second aspirating pipeline 32, first end and the air pump 20 of the second aspirating pipeline 32
Second is provided with connection, the second end of the second aspirating pipeline 32 and the connection of the side wall of reservoir 10, the second aspirating pipeline 32
Pressure gauge 50, wherein, the side wall communicating position of the first aspirating pipeline 31 and the second aspirating pipeline 32 and reservoir 10 is not same
On individual horizontal plane.
Preferably, the second aspirating pipeline 32 has the 3rd pipeline section 321 and the 4th pipeline section 322, the first end of the 3rd pipeline section 321
Connected with the side wall of reservoir 10, the second end of the 3rd pipeline section 321 is connected with the first end of the 4th pipeline section 322, the 4th pipeline section 322
The second end connected with air pump 20, wherein, short transverse extension of the 4th pipeline section 322 along reservoir 10, second pressure table 50 sets
Put on the 4th pipeline section 322.
In the present embodiment, the second aspirating pipeline 32 is made up of the 3rd pipeline section 321 and the 4th pipeline section 322, wherein, the 3rd pipe
321 first end of section is connected with the side wall of reservoir 10, and the second end of the 3rd pipeline section 321 connects with the first end of the 4th pipeline section 322
Logical, the second end of the 4th pipeline section 322 is connected with air pump 20, short transverse extension of the 4th pipeline section 322 along reservoir 10, the second pressure
Power table 50 is arranged on the 4th pipeline section 322, it is preferable that the 3rd pipeline section 321 is perpendicular to the 4th pipeline section 322.
Preferably, second gas flowmeter 70 is provided with the 4th pipeline section 322, second gas flowmeter 70 is arranged on air pump
Between 20 and second pressure table 50, wherein, the height of the position of second pressure table 50 is more than the liquid storing heights of reservoir 10.
In order to be supplied gas while realization using an air pump 20 to the first aspirating pipeline 31 and the second aspirating pipeline 32,
As shown in figure 1, aspirating pipeline 30 also includes：3rd aspirating pipeline 33, the first end of the 3rd aspirating pipeline 33 is connected with air pump 20,
Second end of the 3rd aspirating pipeline 33 is connected with the first aspirating pipeline 31 and the second aspirating pipeline 32.
Preferably, the aspirating end of aspirating pipeline 30 is connected with the sidewall weld or flange of reservoir 10.
Present invention also offers a kind of device for storing liquid, including reservoir 10 and device for measuring volumetric flow of fluid 80, device for measuring volumetric flow of fluid
80 be above-mentioned device for measuring volumetric flow of fluid 80, wherein, device for measuring volumetric flow of fluid 80 is connected with reservoir 10.
Present invention also offers a kind of liquid density measurement method, measuring method is carried out using above-mentioned device for measuring volumetric flow of fluid
The liquid density measurement of reservoir, liquid density measurement method includes：Open air pump, air pump to the fluid connection in reservoir
Aspirating pipeline in feeding gas until gassy in aspirating pipeline, the atmospheric pressure value in aspirating pipeline is the liquid level of tested point
Liquid pressure value, wherein, tested point is at least two, utilizes pressure differential △ P, difference in height h and the gravity of two tested points
Acceleration g obtains the density p of liquid.
Present invention also offers a kind of liquid level measuring method, measuring method is carried out using above-mentioned device for measuring volumetric flow of fluid
The liquid density measurement of reservoir, liquid level measuring method includes：Open air pump, air pump to the fluid connection in reservoir
Aspirating pipeline in feeding gas until gassy in aspirating pipeline, the atmospheric pressure value in aspirating pipeline is the liquid level of tested point
Liquid pressure value, wherein, tested point is at least two, utilizes pressure differential △ P, difference in height h and the gravity of two tested points
Acceleration g obtains the density p of liquid；Using the fluid pressure P of any tested point, the density p of liquid and gravity acceleration g,
Tested point is obtained to the liquid level S on liquid top, wherein, S is equal to H or H-h.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
The device for measuring volumetric flow of fluid of the present invention is realized to the liquid pressure in reservoir 10 by air pump 20 and aspirating pipeline 30
The measurement of power, wherein, the inlet end of aspirating pipeline 30 is connected with air pump 20, the aspirating end of aspirating pipeline 30 and the side of reservoir 10
Wall is connected, and the connectivity part of aspirating end and the side wall of reservoir 10 is tested point, and aspirating pipeline 30 is at least two, and at least two send
The tested point of air pipe 30 is not in same level.In specific measurement process, open air pump 20, air pump 20 to reservoir
Feeding gas is up to the gas in aspirating pipeline 30 in gassy, aspirating pipeline 30 in the aspirating pipeline 30 of fluid connection in 10
Pressure value is the liquid pressure value of the liquid level of tested point, and pressure differential △ P, difference in height h and the gravity using two tested points add
Speed g obtains the density p of liquid, then according to the fluid pressure P of any tested point, the density p of liquid and acceleration of gravity
G, obtains tested point to the liquid level S on liquid top, wherein, S is equal to H or H-h.
In compared with prior art, the density and level value of general liquid are surveyed with glass overstatement and glass-tube liquid level meter respectively
Amount is indicated, the overstatement of dimension is optionally selected during measurement, and solution is taken out from reservoir, operation inconvenience,
It is easily damaged during use and overstatement is vertical during reading and degree of stability is whard to control, can cause measuring result error；And glass
Glass pipe liquid level gauge is not suitable for mordant liquid, resistance to pressure is poor, non-refractory, and scale-wearing can occur for time length
Phenomenon and can not reading, and the device for measuring volumetric flow of fluid of the application just can quickly obtain liquid by air pump 20 and aspirating pipeline 30
Density and liquid level, so as to solve the density and liquid level of liquid in measurement reservoir 10 in the prior art
The problem of method is complex.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of device for measuring volumetric flow of fluid, it is characterised in that including：
Air pump (20)；
Aspirating pipeline (30), the inlet end of the aspirating pipeline (30) is connected with the air pump (20), the aspirating pipeline (30)
Aspirating end connected with the side wall of reservoir (10), the connectivity part of the aspirating end and the side wall of the reservoir (10) is to be measured
Point, the aspirating pipeline (30) is at least two, and the tested point of aspirating pipeline described at least two (30) is not in same water
In plane；
Wherein, the aspirating pipeline (30) be used for the fluid connection in the reservoir (10), the air pump (20) be used for
The aspirating pipeline (30) sends into gas.
2. device for measuring volumetric flow of fluid according to claim 1, it is characterised in that the aspirating pipeline (30) includes：
First aspirating pipeline (31), the first end of first aspirating pipeline (31) is connected with the air pump (20), and described first
Second end of aspirating pipeline (31) is connected with the side wall of the reservoir (10), and is provided with first aspirating pipeline (31)
One pressure gauge (40).
3. device for measuring volumetric flow of fluid according to claim 2, it is characterised in that first aspirating pipeline (31) has first
Pipeline section (311) and the second pipeline section (312), the first end of first pipeline section (311) are connected with the side wall of the reservoir (10),
Second end of first pipeline section (311) is connected with the first end of second pipeline section (312), second pipeline section (312)
Second end is connected with the air pump (20), short transverse extension of second pipeline section (312) along the reservoir (10), described
First pressure table (40) is arranged on second pipeline section (312).
4. device for measuring volumetric flow of fluid according to claim 3, it is characterised in that is provided with second pipeline section (312)
One gas flowmeter (60), the first gas flowmeter (60) is arranged on the air pump (20) and the first pressure table (40)
Between, wherein, the height of first pressure table (40) position is more than the liquid storing heights of the reservoir (10).
5. device for measuring volumetric flow of fluid according to claim 2, it is characterised in that the aspirating pipeline (30) also includes：
Second aspirating pipeline (32), the first end of second aspirating pipeline (32) is connected with the air pump (20), and described second
It is provided with second end of aspirating pipeline (32) and the connection of the side wall of the reservoir (10), second aspirating pipeline (32)
Second pressure table (50), wherein, first aspirating pipeline (31) and second aspirating pipeline (32) and the reservoir
(10) side wall communicating position is not on same horizontal plane.
6. device for measuring volumetric flow of fluid according to claim 5, it is characterised in that second aspirating pipeline (32) has the 3rd
Pipeline section (321) and the 4th pipeline section (322), the first end of the 3rd pipeline section (321) are connected with the side wall of the reservoir (10),
Second end of the 3rd pipeline section (321) is connected with the first end of the 4th pipeline section (322), the 4th pipeline section (322)
Second end is connected with the air pump (20), wherein, short transverse of the 4th pipeline section (322) along the reservoir (10) is prolonged
Stretch, the second pressure table (50) is arranged on the 4th pipeline section (322).
7. device for measuring volumetric flow of fluid according to claim 6, it is characterised in that is provided with the 4th pipeline section (322)
Two gas flowmeters (70), the second gas flowmeter (70) is arranged on the air pump (20) and the second pressure table (50)
Between, wherein, the height of second pressure table (50) position is more than the liquid storing heights of the reservoir (10).
8. device for measuring volumetric flow of fluid according to claim 5, it is characterised in that the aspirating pipeline (30) also includes：
3rd aspirating pipeline (33), the first end of the 3rd aspirating pipeline (33) is connected with the air pump (20), and the described 3rd
Second end of aspirating pipeline (33) is connected with first aspirating pipeline (31) and second aspirating pipeline (32).
9. a kind of device for storing liquid, including reservoir (10) and device for measuring volumetric flow of fluid (80), it is characterised in that the liquid measure dress
The device for measuring volumetric flow of fluid (80) of (80) any one of claim 1 to 8 is put, wherein, the device for measuring volumetric flow of fluid (80)
It is connected with the reservoir (10).
10. a kind of liquid density measurement method, the liquid any one of the measuring method application claim 1 to 8 is surveyed
Measure the liquid density measurement that device carries out reservoir, it is characterised in that including：
Open the air pump, the air pump to that gas is sent into the aspirating pipeline of the fluid connection in the reservoir is straight
Atmospheric pressure value in gassy in the aspirating pipeline, the aspirating pipeline is the fluid pressure of the liquid level of the tested point
Value, wherein, the tested point is at least two, and pressure differential △ P, difference in height h and gravity using two tested points add
Speed g obtains the density p of the liquid.
11. a kind of liquid level measuring method, the liquid any one of the measuring method application claim 1 to 8 is surveyed
Measure the liquid density measurement that device carries out reservoir, it is characterised in that including：
Open the air pump, the air pump to that gas is sent into the aspirating pipeline of the fluid connection in the reservoir is straight
Atmospheric pressure value in gassy in the aspirating pipeline, the aspirating pipeline is the liquid pressure value of the liquid level of tested point,
Wherein, the tested point is at least two, utilizes pressure differential △ P, difference in height h and the acceleration of gravity of two tested points
G obtains the density p of the liquid；Added using the fluid pressure P of any tested point, the density p of the liquid and gravity
Speed g, obtains the tested point to the liquid level S on the liquid top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710578513.4A CN107192636A (en) | 2017-07-14 | 2017-07-14 | Device for measuring volumetric flow of fluid, device for storing liquid, fluid density and liquid level measuring method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710578513.4A CN107192636A (en) | 2017-07-14 | 2017-07-14 | Device for measuring volumetric flow of fluid, device for storing liquid, fluid density and liquid level measuring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057279A (en) * | 2019-04-22 | 2019-07-26 | 浙江科技学院 | The method of resistance trigger-type telescopic movable measurement tunnel duct piece faulting of slab ends |
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| CN110057279A (en) * | 2019-04-22 | 2019-07-26 | 浙江科技学院 | The method of resistance trigger-type telescopic movable measurement tunnel duct piece faulting of slab ends |
| CN110057279B (en) * | 2019-04-22 | 2020-10-16 | 浙江科技学院 | Method for measuring dislocation of tunnel segment in flexible and movable manner in resistor triggering manner |
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