CN207051142U - A kind of fluid density determines device - Google Patents
A kind of fluid density determines device Download PDFInfo
- Publication number
- CN207051142U CN207051142U CN201720652433.4U CN201720652433U CN207051142U CN 207051142 U CN207051142 U CN 207051142U CN 201720652433 U CN201720652433 U CN 201720652433U CN 207051142 U CN207051142 U CN 207051142U
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- China
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- measurement case
- rectangular slot
- switch
- pressure sensor
- needle tubing
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Abstract
The utility model discloses a kind of fluid density to determine device, including fixed mount, imbibition needle tubing, measure case and rectangular slot, major axis is installed with the fixed mount, the imbibition needle tubing is movably arranged on major axis, it is connected with above the imbibition needle tubing into fluid catheter, the feed liquor catheter tip is connected on inside rectangular slot, uniform speed electric motor is installed with the measurement case, cuboid desktop is installed with the measurement case, the rectangular slot activity is placed on cuboid desktop, the rectangular slot inner bottom part is installed with pressure sensor, the surface of the measurement case is installed with display screen, there is switch on the right side of the surface of the measurement case, the surface of the measurement case is installed with sliding door hand handle.Fluid density measure device is reasonable in design, and measurement is accurate, convenient repeatedly measurement, reduces cost, is adapted to popularity to use.
Description
Technical field
The utility model belongs to measure engineering device technique field, and in particular to a kind of fluid density determines device.
Background technology
Experiment is considerable in the teaching of students of science and technology, and while its exercise student ' independent operation, and can is straight
Sight will integrate theory with practice, and make the more deep understanding of student theoretical.Object density measurement is very base in Physical Experiment
One experiment of plinth, at present to the measurement of object density, typically uses quality volumetric method, i.e., first measures mass of object with balance,
Volume is measured with graduated cylinder again, is then calculated according to density formula.This method needs to operate two steps, and can not carry out quickly
Measurement and real-time display.
Density has a wide range of applications in daily production and living, can differentiate the material of composition object, in countable entity body
The composition of contained various materials, the volume of the complicated object of shape matching can be calculated, can determine that object be it is solid or hollow, can
Liquid internal pressure and buoyancy etc. are calculated, for differentiating unknown materials, density is also an important foundation.Thus to density
The especially quick and high-precision density measure of measurement is even more current experiment and the needs in life process.
Utility model content
The purpose of this utility model is to provide a kind of fluid density measure device, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of fluid density determines device, including solid
Determine frame, imbibition needle tubing, measurement case and rectangular slot, be installed with major axis on the fixed mount, the fixed mount passes through wire
It is electrical connected with uniform speed electric motor, the imbibition needle tubing is movably arranged on major axis by neck, is connected above the imbibition needle tubing
Have into fluid catheter, the feed liquor catheter tip is connected on inside rectangular slot, is installed with uniform speed electric motor in the measurement case, institute
State in measurement case and be installed with cuboid desktop, the rectangular slot activity is placed on cuboid desktop, the cuboid table
Balance ball is installed with face, the rectangular slot inner bottom part is installed with pressure sensor, the pressure sensor
It is electrical connected by wire and display screen, the rectangular slot bottom right side is installed with control valve, and the control valve passes through
Wire is electrical connected with uniform speed electric motor, and the surface of the measurement case is installed with display screen, the surface right side of the measurement case
There is power-on switch, the power-on switch is electrical connected by wire and motor, is had on the right side of the surface of the measurement case
Threshold switch is controlled, the control threshold switch is electrical connected by wire and motor, has pressure biography on the right side of the surface of the measurement case
Sensor is switched, and the pressure sensor switch is electrical connected by wire and pressure sensor, on the right side of the surface of the measurement case
There is power off switch, the surface of the measurement case is installed with sliding door hand handle, and support feet is arranged at the bottom of the measurement case.
Preferably, there is metering scale inside the imbibition needle tubing.
Preferably, the feed liquor catheter tip is fixed on the bottle mouth position on rectangular slot.
Preferably, there is opening in the rectangular slot lower right corner, and be open external draining pipe.
Preferably, the pressure sensor accuracy rating be 0.1-1%F.S.
Preferably, air level is contained inside the balance ball, air level is located at sap cavity center.
Technique effect of the present utility model and advantage：This kind of fluid density determines device, when motor starts running, passes through
Testing liquid can be drawn in needle tubing by the imbibition needle tubing of setting, and the volume of liquid, pin can be recorded by reading scale in needle tubing
Liquid in pipe is entered in rectangular slot by entering fluid catheter, and liquid can be obtained by the pressure sensor of rectangle pocket bottom
Quality, can just obtain changing the density of liquid by calculating processing data, the opening in the lower right corner of rectangular slot facilitates timely
The liquid cleared up in groove, because the device is by needle tubing absorption testing liquid, uptake is few, can repeatedly measure；This practicality is new
Type is reasonable in design, simple in construction, has saved the dosage of testing liquid, has reduced cost, has improved accuracy rate, is adapted to popularity
Use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram that the utility model measures case surface.
In figure：Fluid catheter, 5 major axis, 6 control valves, 7 draining pipes, 8 are entered in 1 absorption needle tubing, 2 measurement casees, 3 rectangular slots, 4
Fixed mount, 9 pressure sensors, 10 uniform speed electric motors, 11 support feets, 12 balance balls, 13 hand handles, 14 power-on switch, 15 controls
Threshold switch processed, 16 sensing switch, 17 power off switch, 18 display screens, 19 necks, 20 cuboid desktops.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of fluid density measure device as shown in Figure 1-2, including fixed mount 8, aspirating needle
Pipe 1, case 2 and rectangular slot 3 are measured, major axis 5 is installed with the fixed mount 8, the fixed mount 8 is by wire and at the uniform velocity
Motor 10 is electrical connected, and the imbibition needle tubing 1 is movably arranged on major axis 5 by neck 19, and the top of imbibition needle tubing 1 connects
It is connected into fluid catheter 4, has metering scale inside the imbibition needle tubing 1, the imbibition needle tubing 1 can repeatedly draw testing liquid, institute
State and be connected on into the end of fluid catheter 4 inside rectangular slot 3, it is described enter fluid catheter 4 it is identical with the material of draining pipe 7, be all that plastics are soft
Pipe, it is described enter the end of fluid catheter 4 be fixed on bottle mouth position on rectangular slot 3, be installed with uniform speed electric motor in the measurement case 2
10, described measure in case 2 is installed with cuboid desktop 20, and the activity of rectangular slot 3 is placed on cuboid desktop 20, institute
State and balance ball 12 is installed with cuboid desktop 20, air level is contained in the inside of balance ball 12, and air level is located at
Sap cavity center, the inner bottom part of rectangular slot 3 are installed with pressure sensor 9, and there is opening in the lower right corner of rectangular slot 3,
Opening has control valve 6, and the external draining pipe 7 that is open is used for flowing out the waste liquid after having measured in rectangular slot 3, and the pressure passes
Sensor 9 is electrical connected by wire and display screen 18, and the bottom right side of rectangular slot 3 is installed with control valve 6, the control
Valve 6 processed is electrical connected by wire and uniform speed electric motor 10, and the surface of the measurement case 2 is installed with display screen 18, the survey
There is power-on switch 14 on the right side of the surface of measuring tank 2, the power-on switch 14 is electrical connected by wire and motor 10, institute
Stating has control threshold switch 15 on the right side of the surface of measurement case 2, the control threshold switch 15 is electrical connected by wire and motor 10,
There is pressure sensor switch 16 on the right side of the surface of the measurement case 2, the pressure sensor switch 16 is passed by wire and pressure
Sensor 9 is electrical connected, and the accuracy rating of pressure sensor 9 is 0.1-1%F.S, can measure the less liquid quality of total amount,
There is power off switch 17 on the right side of the surface of the measurement case 2, the surface of the measurement case 2 is installed with sliding door hand handle
13, support feet 11 is arranged at the bottom of the measurement case 2.
Operation principle：The fluid density determines device, and the quasi- bubble of the inside liquid of balance ball 12 is transferred in sap cavity before measure
Middle position, imbibition needle tubing 1 are movably fixed on major axis 5 by neck 19, turn on the power unlatching switch 14, sensing switch
16, motor 10 is started running, the imbibition needle tubing 1 of setting, which can move up and down, is drawn to testing liquid in needle tubing 1, reads pin
Scale can record the volume V of liquid in pipe 1, and liquid is entered in rectangular slot 3 by entering fluid catheter 4 in needle tubing 1, by rectangular
The pressure sensor 9 of the bottom of shape groove 3 can obtain the mass M of liquid, and pressure sensor 9 can be used for measuring less liquid matter
Amount, liquid quality is recorded by display screen 18, after measurement terminates, open control threshold switch 15, pass through liquid in rectangular slot 3
Draining pipe 7 is discharged to outside, the density of the liquid can be just obtained by computational methods ρ=M/V processing datas, in order to obtain
The accurate data of root, operation above is repeated, repeatedly measurement, averages, and after measurement terminates, closes power off switch
17。
Finally it should be noted that：Preferred embodiment of the present utility model is these are only, is not limited to this practicality
It is new, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
It is all within the spirit and principles of the utility model with replacement, any modification, equivalent substitution and improvements made etc., it all should include
Within the scope of protection of the utility model.
Claims (6)
1. a kind of fluid density determines device, including fixed mount (8), imbibition needle tubing (1), measurement case (2) and rectangular slot (3),
It is characterized in that：Major axis (5) is installed with the fixed mount (8), the fixed mount (8) passes through wire and uniform speed electric motor
(10) it is electrical connected, the imbibition needle tubing (1) is movably arranged on major axis (5) by neck (19), on the imbibition needle tubing (1)
Side is connected with into fluid catheter (4), it is described enter to be connected on rectangular slot (3) internal for fluid catheter (4) end, it is solid in the measurement case (2)
Dingan County is equipped with uniform speed electric motor (10), and cuboid desktop (20), the rectangular slot (3) are installed with the measurement case (2)
Activity is placed on cuboid desktop (20), and balance ball (12) is installed with the cuboid desktop (20), described rectangular
Shape groove (3) inner bottom part is installed with pressure sensor (9), and the pressure sensor (9) passes through wire and display screen (18) electricity
Property be connected, rectangular slot (3) bottom right side is installed with control valve (6), the control valve (6) by wire with the uniform velocity
Motor (10) is electrical connected, and the surface of the measurement case (2) is installed with display screen (18), the surface of the measurement case (2)
There is power-on switch (14) on right side, and the power-on switch (14) is electrical connected by wire and motor (10), the survey
There is control threshold switch (15) on the right side of the surface of measuring tank (2), the control threshold switch (15) passes through wire and motor (10) electrical phase
Even, there is pressure sensor switch (16) on the right side of the surface of the measurement case (2), the pressure sensor switch (16) passes through wire
It is electrical connected with pressure sensor (9), has power off switch (17), the measurement case on the right side of the surface of the measurement case (2)
(2) surface is installed with sliding door hand handle (13), and support feet (11) is arranged at the bottom of the measurement case (2).
A kind of 2. fluid density measure device according to claim 1, it is characterised in that：The imbibition needle tubing (1) is internal
There is metering scale.
A kind of 3. fluid density measure device according to claim 1, it is characterised in that：It is described enter fluid catheter (4) one end
The bottle mouth position being fixed on rectangular slot (3).
A kind of 4. fluid density measure device according to claim 1, it is characterised in that：Rectangular slot (3) bottom right
There is opening at angle, and be open external draining pipe (7).
A kind of 5. fluid density measure device according to claim 1, it is characterised in that：The pressure sensor (9)
Accuracy rating is 0.1-1%F.S.
A kind of 6. fluid density measure device according to claim 1, it is characterised in that：Inside the balance ball (12)
Containing air level, air level is located at sap cavity center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652433.4U CN207051142U (en) | 2017-05-26 | 2017-05-26 | A kind of fluid density determines device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652433.4U CN207051142U (en) | 2017-05-26 | 2017-05-26 | A kind of fluid density determines device |
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| Publication Number | Publication Date |
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| CN207051142U true CN207051142U (en) | 2018-02-27 |
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| CN201720652433.4U Active CN207051142U (en) | 2017-05-26 | 2017-05-26 | A kind of fluid density determines device |
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| CN (1) | CN207051142U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443985A (en) * | 2018-09-14 | 2019-03-08 | 超威电源有限公司 | A kind of lead-acid accumulator acid density measurement device and test method |
| CN109443986A (en) * | 2018-09-27 | 2019-03-08 | 国家能源投资集团有限责任公司 | Cooling tower spray density measuring device |
| CN109506679A (en) * | 2019-01-03 | 2019-03-22 | 浙江东精工量具有限公司 | A kind of linear type air level bottle placer |
| CN109870389A (en) * | 2019-04-12 | 2019-06-11 | 长春工程学院 | Based on magnetostrictive displacement sensor irrigation water coefficient of viscosity detection device and method |
-
2017
- 2017-05-26 CN CN201720652433.4U patent/CN207051142U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443985A (en) * | 2018-09-14 | 2019-03-08 | 超威电源有限公司 | A kind of lead-acid accumulator acid density measurement device and test method |
| CN109443986A (en) * | 2018-09-27 | 2019-03-08 | 国家能源投资集团有限责任公司 | Cooling tower spray density measuring device |
| CN109506679A (en) * | 2019-01-03 | 2019-03-22 | 浙江东精工量具有限公司 | A kind of linear type air level bottle placer |
| CN109506679B (en) * | 2019-01-03 | 2024-04-02 | 浙江东精工量具有限公司 | Linear type level bubble filling machine |
| CN109870389A (en) * | 2019-04-12 | 2019-06-11 | 长春工程学院 | Based on magnetostrictive displacement sensor irrigation water coefficient of viscosity detection device and method |
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