CN106311057A - Speed measuring stirrer - Google Patents
Speed measuring stirrer Download PDFInfo
- Publication number
- CN106311057A CN106311057A CN201610638906.5A CN201610638906A CN106311057A CN 106311057 A CN106311057 A CN 106311057A CN 201610638906 A CN201610638906 A CN 201610638906A CN 106311057 A CN106311057 A CN 106311057A
- Authority
- CN
- China
- Prior art keywords
- spring
- elastic force
- signal processing
- measuring device
- processing apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a speed-measuring stirrer. The stirrer includes a body and a magnetic medium, a spring, an elasticity measuring device, a signal processing device and a signal reception device. The elasticity measuring device is fastened right in the middle inside the body. The elasticity measuring device connects with two springs with opposite directions. One end of the spring connects with the elasticity measuring device; the other end connects with the magnetic medium. The elasticity measuring device also connects with the signal processing device. The signal processing device is a hollow-ring structure. The aforementioned speed measuring stirrer produces a centrifugal force through the magnetic medium inside the stirrer, and converts the centrifugal force into a rotating speed, then sends the information of rotating speed, spring elasticity, centrifugal force, and centrifugal radius to be displayed on the signal reception device. The information can also be sent to mobile phones, computers or tablets to be displayed. Thus the experimenters can know the actual rotating speed of the stirrer. The success rate of the experiments is greatly increased. The present method is scientifically reasonable, operationally simple, and is convenient to use.
Description
Technical field
The present invention relates to stirrer field, specially one test the speed stirrer.
Background technology
In laboratory blender is tested, set solution stirs critically important under which type of rotating speed, the rotating speed speed of stirring
Directly influence the success or failure of experiment, yet with the difference of solution concentration, necessarily cause between speed setting value and actual speed
There is deviation, solution concentration is the biggest, and deviation is the biggest.
Summary of the invention
It is an object of the invention to provide one to test the speed stirrer, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme: one tests the speed stirrer, is situated between including body and magnetic
Matter, also includes spring, elastic force measuring device, signal processing apparatus and information receiver；Described basis is internal include magnetizing mediums,
Spring, elastic force measuring device and signal processing apparatus；Described elastic force measuring device is fixed on the middle of body interior, described
Elastic force measuring device connect two springs in opposite direction；Described spring one end connects elastic force measuring device, and the other end is even
Connecing magnetizing mediums, described magnetizing mediums is spheroid；Described elastic force measuring device is also connected with signal processing apparatus, described signal
Processing means is hollow ring structure, and described elastic force measuring device is positioned at the middle vacancy of signal processing apparatus, described signal
Processing means is close to inner body wall；
Described magnetizing mediums constantly can move in the magnetic field of change, and then makes described one test the speed stirrer in magnetic field
In be in rotation status, the elastic force that the centrifugal force that described magnetizing mediums produces in rotation produces with spring is equal, described bullet
Force measuring device can be measured the elastic force of spring and be converted to digital information transmission to signal processing apparatus, described signal
The digital information of spring force can be calculated rotating speed by below equation by processing means:
Ft=K*ΔX；
R=X+ΔX；
Ft=F=4π2*m*R*n2；
Wherein: Ft is spring force, unit is N；
K is spring force coefficient；
Δ X is spring elongation under the influence of centrifugal force, and unit is m；
X is the former length of spring, and unit is m；
F is centrifugal force, and unit is N；
π is pi, and value is 3.14；
M is the quality of magnetizing mediums, and unit is Kg；
R is the centre of sphere distance to elastic force measuring device barycenter of magnetizing mediums, and unit is m；
N is rotating speed, and unit is r/s；
Described signal processing apparatus is sent to after the rotating speed obtained, spring force, centrifugal force and centrifugal radius information being stored
Show on signal receiving device.
Preferably, described magnetizing mediums is the metallic nickel after Passivation Treatment.
Preferably, described signal processing apparatus also is able to send out rotating speed, spring force, centrifugal force and centrifugal radius information
Deliver on mobile phone, computer or flat board.
Compared with prior art, the invention has the beneficial effects as follows: described one tests the speed stirrer by inside stirrer
Magnetizing mediums produce centrifugal force, and then in signal processing apparatus, centrifugal force is converted into rotating speed, then can be by rotating speed, spring
Elastic force, centrifugal force and centrifugal radius information send and show to signal receiving device, it is also possible to send to mobile phone, computer or flat board
Upper display, makes experimenter be able to know that the actual speed of stirrer, makes the success rate of experiment be greatly increased, and methodological science is reasonable,
Simple to operate, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the system structure schematic diagram of the present invention.
In figure: 1, body, 2, magnetizing mediums, 3, spring, 4, elastic force measuring device, 5, signal processing apparatus, 6, information receives
Device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment 1:
Referring to Fig. 1-2, the present invention provides a kind of technical scheme: one tests the speed stirrer, including body 1 and magnetizing mediums 2, also wraps
Include spring 3, elastic force measuring device 4, signal processing apparatus 5 and information receiver 6；Include in body 1 magnetizing mediums 2, spring 3,
Elastic force measuring device 4 and signal processing apparatus 5；Elastic force measuring device 4 is fixed on the middle within body 1, and elastic force measures dress
Put the spring 3 that 4 connection two is in opposite direction；Spring 3 one end connects elastic force measuring device 4, and the other end connects magnetizing mediums 2, and magnetic is situated between
Matter 2 is spheroid, and magnetizing mediums 2 is the metallic nickel after Passivation Treatment；Elastic force measuring device 4 is also connected with signal processing apparatus 5,
Signal processing apparatus 5 is hollow ring structure, and elastic force measuring device 4 is positioned at the middle vacancy of signal processing apparatus 5, signal processing device
Put 5 and be close to body 1 inwall；
Magnetizing mediums 2 constantly can move in the magnetic field of change, and then makes the one stirrer that tests the speed be in rotation in magnetic field
State, the elastic force that the centrifugal force that magnetizing mediums 2 produces in rotation produces with spring 3 is equal, and elastic force measuring device 4 can be measured
The elastic force of spring 3 and be converted to digital information and send to signal processing apparatus 5, signal processing apparatus 5 can be by spring 3 elastic force
Digital information calculate rotating speed by below equation:
Ft=K*ΔX；
R=X+ΔX；
Ft=F=4π2*m*R*n2；
Wherein: Ft is spring 3 elastic force, unit is N；
K is spring 3 spring ratio；
Δ X is spring 3 elongation under the influence of centrifugal force, and unit is m；
X is the former length of spring 3, and unit is m；
F is centrifugal force, and unit is N；
π is pi, and value is 3.14；
M is the quality of magnetizing mediums 2, and unit is Kg；
R is the centre of sphere distance to elastic force measuring device 4 barycenter of magnetizing mediums 2, and unit is m；
N is rotating speed, and unit is r/s；
When magnetizing mediums 2 mass is 0.05Kg, and spring 3 elastic force is 4N, and the spring ratio of spring 3 is 200N/m, and spring 3 is former a length of
0.02m, so obtaining the elongation Δ X=0.02m of spring 3 spring 3 under the influence of centrifugal force, and then can draw magnetizing mediums 2
The centre of sphere to distance R=0.02+0.02=0.04m of elastic force measuring device 4 barycenter；So drawing n=7.1r/s.
Signal processing apparatus 5 is sent to after the rotating speed obtained, spring 3 elastic force, centrifugal force and centrifugal radius information being stored
Show on signal receiving device 6.
Embodiment 2:
Referring to Fig. 1-2, the present invention provides a kind of technical scheme: one tests the speed stirrer, including body 1 and magnetizing mediums 2, also wraps
Include spring 3, elastic force measuring device 4, signal processing apparatus 5 and information receiver 6；Include in body 1 magnetizing mediums 2, spring 3,
Elastic force measuring device 4 and signal processing apparatus 5；Elastic force measuring device 4 is fixed on the middle within body 1, and elastic force measures dress
Put the spring 3 that 4 connection two is in opposite direction；Spring 3 one end connects elastic force measuring device 4, and the other end connects magnetizing mediums 2, and magnetic is situated between
Matter 2 is spheroid, and magnetizing mediums 2 is the metallic nickel after Passivation Treatment；Elastic force measuring device 4 is also connected with signal processing apparatus 5,
Signal processing apparatus 5 is hollow ring structure, and elastic force measuring device 4 is positioned at the middle vacancy of signal processing apparatus 5, signal processing device
Put 5 and be close to body 1 inwall；
Magnetizing mediums 2 constantly can move in the magnetic field of change, and then makes the one stirrer that tests the speed be in rotation in magnetic field
State, the elastic force that the centrifugal force that magnetizing mediums 2 produces in rotation produces with spring 3 is equal, and elastic force measuring device 4 can be measured
The elastic force of spring 3 and be converted to digital information and send to signal processing apparatus 5, signal processing apparatus 5 can be by spring 3 elastic force
Digital information calculate rotating speed by below equation:
Ft=K*ΔX；
R=X+ΔX；
Ft=F=4π2*m*R*n2；
Wherein: Ft is spring 3 elastic force, unit is N；
K is spring 3 spring ratio；
Δ X is spring 3 elongation under the influence of centrifugal force, and unit is m；
X is the former length of spring 3, and unit is m；
F is centrifugal force, and unit is N；
π is pi, and value is 3.14；
M is the quality of magnetizing mediums 2, and unit is Kg；
R is the centre of sphere distance to elastic force measuring device 4 barycenter of magnetizing mediums 2, and unit is m；
N is rotating speed, and unit is r/s；
When magnetizing mediums 2 mass is 0.03Kg, and spring 3 elastic force is 4.5N, and the spring ratio of spring 3 is 300N/m, and spring 3 is former a length of
0.015m, so obtaining the elongation Δ X=0.015m of spring 3 spring 3 under the influence of centrifugal force, and then can show that magnetic is situated between
The centre of sphere of matter 2 is to distance R=0.015+0.015=0.03m of elastic force measuring device 4 barycenter；So drawing n=11.26r/s.
Signal processing apparatus 5 is sent to after the rotating speed obtained, spring 3 elastic force, centrifugal force and centrifugal radius information being stored
Show on computer.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
In addition equivalent or change are conceived in improvement, all should contain within the scope of the present invention.
Claims (3)
1. test the speed a stirrer, including body (1) and magnetizing mediums (2), it is characterised in that: also include that spring (3), elastic force are measured
Device (4), signal processing apparatus (5) and information receiver (6)；Magnetizing mediums (2), spring is included in described body (1)
(3), elastic force measuring device (4) and signal processing apparatus (5)；Described elastic force measuring device (4) is fixed on body (1) inside
Middle, described elastic force measuring device (4) connects two springs in opposite direction (3)；Described spring (3) one end connects bullet
Force measuring device (4), the other end connects magnetizing mediums (2), and described magnetizing mediums (2) is spheroid；Described elastic force measuring device (4)
Being also connected with signal processing apparatus (5), described signal processing apparatus (5) is hollow ring structure, and described elastic force measures dress
Putting (4) and be positioned at the middle vacancy of signal processing apparatus (5), described signal processing apparatus (5) is close to body (1) inwall；
Described magnetizing mediums (2) constantly can move in the magnetic field of change, and then makes the described one stirrer that tests the speed exist
Magnetic field is in rotation status, the elastic force phase that the centrifugal force that described magnetizing mediums (2) produces in rotation produces with spring (3)
The elastic force of spring (3) can be measured Deng, described elastic force measuring device (4) and be converted to digital information and send to signal
Reason device (5), the digital information of spring (3) elastic force can be calculated by described signal processing apparatus (5) by below equation
Rotating speed:
Ft=K*ΔX；
R=X+ΔX；
Ft=F=4π2*m*R*n2；
Wherein: Ft is spring (3) elastic force, unit is N；
K is spring (3) spring ratio；
Δ X is spring (3) elongation under the influence of centrifugal force, and unit is m；
X is spring (3) former length, and unit is m；
F is centrifugal force, and unit is N；
π is pi, and value is 3.14；
M is the quality of magnetizing mediums (2), and unit is Kg；
R is the centre of sphere distance to elastic force measuring device (4) barycenter of magnetizing mediums (2), and unit is m；
N is rotating speed, and unit is r/s；
After the rotating speed obtained, spring (3) elastic force, centrifugal force and centrifugal radius information are stored by described signal processing apparatus (5)
It is sent to the upper display of signal receiving device (6).
One the most according to claim 1 tests the speed stirrer, it is characterised in that: described magnetizing mediums (2) is through transpassivation
Metallic nickel after process.
One the most according to claim 1 tests the speed stirrer, it is characterised in that: described signal processing apparatus (5) also can
Enough by rotating speed, spring (3) elastic force, centrifugal force and centrifugal radius information transmission to mobile phone, computer or flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638906.5A CN106311057A (en) | 2016-08-08 | 2016-08-08 | Speed measuring stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638906.5A CN106311057A (en) | 2016-08-08 | 2016-08-08 | Speed measuring stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106311057A true CN106311057A (en) | 2017-01-11 |
Family
ID=57739676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610638906.5A Pending CN106311057A (en) | 2016-08-08 | 2016-08-08 | Speed measuring stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106311057A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273053A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
| CN111716906A (en) * | 2020-07-07 | 2020-09-29 | 广西博腾猎狗商贸有限公司 | Utilize at uniform velocity of ink jet plotter of centrifugal force principle structure of coloring |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311055A (en) * | 2016-08-05 | 2017-01-11 | 安庆庆荣企业管理咨询有限责任公司 | Intelligent speed-measuring stirrer based on cloud computing |
-
2016
- 2016-08-08 CN CN201610638906.5A patent/CN106311057A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311055A (en) * | 2016-08-05 | 2017-01-11 | 安庆庆荣企业管理咨询有限责任公司 | Intelligent speed-measuring stirrer based on cloud computing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273053A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
| CN111716906A (en) * | 2020-07-07 | 2020-09-29 | 广西博腾猎狗商贸有限公司 | Utilize at uniform velocity of ink jet plotter of centrifugal force principle structure of coloring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106311057A (en) | Speed measuring stirrer | |
| CN106311055A (en) | Intelligent speed-measuring stirrer based on cloud computing | |
| CN203982631U (en) | Friction factor affects apparatus for demonstrating to kinetic energy | |
| CN209264716U (en) | A kind of radial more monitoring core holding units for fracture hole oil reservoir | |
| CN204087626U (en) | Gravity accelerates one degree of survey meters | |
| CN206056571U (en) | A kind of long distance wireless vehicle steering dipmeter | |
| CN103456209B (en) | A kind of acceleration of gravity measures apparatus for demonstrating and demenstration method | |
| CN202306898U (en) | Diameter measuring instrument for sphere | |
| CN204128920U (en) | A kind of guiding tube device of falling ball method viscosity coefficient investigating instrument | |
| CN105988017A (en) | Sensor fixing device and acceleration measuring device of pipeline structure | |
| CN104344809A (en) | Real-time building settlement monitoring device and method thereof | |
| CN204575450U (en) | Anchor shaft anchor cable drawing instrument | |
| CN203370155U (en) | Split holder for transfusion monitoring caller | |
| CN203971327U (en) | A kind of spheroid of surveying athletic posture | |
| CN106139993A (en) | Quickly mixing agitator | |
| CN106813730A (en) | A kind of high accuracy spinner flowmeter | |
| CN106179081A (en) | The stirrer of rotating speed is surveyed in variable color | |
| CN103743654A (en) | Device for measuring particle powder mobility | |
| CN202804159U (en) | Nodulizing bag with weighing function | |
| CN206410669U (en) | Rock sample radial deformation test device | |
| CN204612632U (en) | A kind of plunger pump cylinder body end face centre of sphere height measuring device | |
| CN203658207U (en) | Device for measuring mobility of particle powder | |
| CN203444673U (en) | Gravitational acceleration measuring and demonstrating device | |
| CN205138686U (en) | Dynamometer with self -checking function | |
| CN103150953B (en) | A kind of demonstrator for Lenz law |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |