CN214409026U - Rotating speed measuring and detecting system of medical centrifugal machine - Google Patents
Rotating speed measuring and detecting system of medical centrifugal machine Download PDFInfo
- Publication number
- CN214409026U CN214409026U CN202022922914.7U CN202022922914U CN214409026U CN 214409026 U CN214409026 U CN 214409026U CN 202022922914 U CN202022922914 U CN 202022922914U CN 214409026 U CN214409026 U CN 214409026U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- shell
- auxiliary
- main
- driving motor
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010339 medical test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model discloses a rotational speed measurement and detection system of a medical centrifuge, which comprises a shell, a driving motor and a chuck, wherein the driving motor is fixedly arranged at the middle position of the inner lower surface of the shell, the output end of the driving motor is fixedly provided with one end of a main rotating shaft, the other end of the main rotating shaft penetrates through the upper surface of the shell and is fixedly connected with the chuck, a plurality of auxiliary rotating shafts are distributed in the shell and are positioned at the peripheral side of the main rotating shaft, the two ends of the auxiliary rotating shafts are respectively and rotatably connected with the upper and lower surfaces in the shell, the main rotating shaft is in key connection with a main gear, the auxiliary rotating shafts are in key connection with auxiliary gears, the auxiliary gears are in meshing connection with the main gear, the utility model adopts a plurality of magnetoelectric sensors to measure the rotor of the centrifuge to obtain a plurality of groups of data, thereby obtaining the average rotational speed of each time point and reducing the error of single speed measurement, the accuracy of the detection data is improved.
Description
Technical Field
The utility model relates to a centrifuge rotational speed detects technical field, and concrete field is a medical centrifuge's rotational speed measurement detecting system.
Background
In medical testing, centrifuges are often used as instruments for separating serum, plasma, precipitating proteins, or for examination of urinary sediments. The centrifugal separation is a method for separating, concentrating and purifying biological samples by utilizing centrifugal force of rotary motion and difference of sedimentation coefficient or buoyancy density of substances, the centrifugal separation is a centrifugal filtration and a centrifugal sedimentation, the centrifugal filtration is a centrifugal pressure generated by suspension under a centrifugal field, the centrifugal filtration is acted on a filter medium, liquid passes through the filter medium and is called filtrate, solid particles are retained on the surface of the filter medium, so that solid-liquid separation is realized, and the centrifugal sedimentation is a principle of quickly settling and layering components with different densities of suspension (or emulsion) in a centrifugal field, so that liquid-solid (or liquid-liquid) separation is realized.
The existing centrifuge adopts a single speed measuring sensor to detect the rotating speed of a rotor, so that only one group of data can be formed, and the error range of the data is still larger, so that higher precision cannot be achieved, and the single speed measuring sensor has limitation and influences the precision of data detection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical centrifuge's rotational speed measurement detecting system to it can only be formed with a set of data to propose the single method of testing the speed of current centrifuge in the above-mentioned background art, and a set of data cause error range still bigger, thereby can't reach the problem of higher precision.
In order to achieve the above object, the utility model provides a following technical scheme: a rotational speed measurement detection system of a medical centrifuge comprises a shell, a driving motor and a chuck, wherein the driving motor is fixedly arranged at the middle position of the inner lower surface of the shell, the output end of the driving motor is fixedly provided with one end of a main rotating shaft, the other end of the main rotating shaft penetrates through the upper surface of the shell and is fixedly connected with the chuck, a plurality of auxiliary rotating shafts are distributed in the shell and are positioned on the periphery of the main rotating shaft, the two ends of the auxiliary rotating shafts are respectively and rotatably connected with the upper surface and the lower surface of the inner part of the shell, a main gear is connected on the main rotating shaft, an auxiliary gear is connected on the auxiliary rotating shaft in a key way and is meshed with the main gear, a signal wheel is connected on the auxiliary rotating shaft and on the lower key of the auxiliary gear, a base body is arranged on the lower surface of the shell and in a position close to each auxiliary rotating shaft, and a magnetoelectric sensor for detecting the rotational speed of the signal wheel is arranged on the base body, the lateral wall fixed mounting of casing has the detection computer, detect the computer electricity and connect magnetoelectric sensor.
Preferably, the lateral wall of casing is equipped with rectangular observation mouth, rectangular observation mouth coats and is stamped transparent glass.
Preferably, a plurality of the auxiliary rotating shafts are uniformly distributed on the peripheral side of the main rotating shaft.
Preferably, the driving motor is a servo motor.
Preferably, both ends of the auxiliary rotating shaft are rotatably connected to the inner surface of the shell through bearings, and the connecting position of the main rotating shaft and the shell is also rotatably connected through the bearings.
Preferably, the bearing is a shock-absorbing bearing.
Compared with the prior art, the beneficial effects of the utility model are that: a rotation speed measuring and detecting system of a medical centrifuge can drive a plurality of auxiliary rotating shafts to rotate through the matching arrangement of a main gear and a plurality of auxiliary gears, thereby simultaneously driving a signal wheel to rotate, at the moment, a plurality of magnetoelectric sensors can simultaneously detect the rotation speed of the opposite signal wheel, directly convert the mechanical energy of a measured object into an electric signal to be output, and a detection computer can convert the electric signal which can not be seen by naked eyes into a visible image, thereby obtaining the rotation speed change condition of the main rotating shaft according to the change process of the electric phenomenon and obtaining the rotation speed value of each time point, because a plurality of magnetoelectric sensors can measure a plurality of groups of data, the average rotation speed value of each time point can be obtained according to the calculation capability of the detection computer, the average value can reduce the influence of random errors, thereby improving the precision and obtaining a more accurate data curve graph, the utility model discloses a plurality of magnetoelectric sensors measure centrifuge's rotor, obtain multiunit data to can obtain the average rotational speed value of every time point, reduced the error that single measured the speed, improved the accuracy that detects data.
Drawings
Fig. 1 is a schematic view of the front view and sectional structure of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
fig. 3 is a schematic rear view of the present invention;
fig. 4 is a schematic top view of the main gear engaged with a plurality of pinions of the present invention.
In the figure: 1-shell, 2-driving motor, 3-chuck, 4-main shaft, 5-auxiliary shaft, 6-main gear, 7-auxiliary gear, 8-signal wheel, 9-base, 10-magnetoelectric sensor, 11-detection computer, 12-bearing and 13-transparent glass.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a rotational speed measurement detecting system of medical centrifuge, includes casing 1, driving motor 2 and chuck 3, driving motor 2 fixed mounting is in the inside lower surface intermediate position of casing 1, the output fixed mounting of driving motor 2 has the one end of main shaft 4, the other end of main shaft 4 run through the upper surface of casing 1 and with chuck 3 fixed connection, through the cooperation setting of driving motor 2 and main shaft 4, can drive chuck 3 and rotate, can put into centrifugal container with the turbid liquid that needs to separate, then the joint is on chuck 3 to carry out centrifugal work, obtain the material of various components, the inside of casing 1 and the week side that is located main shaft 4 distribute and have a plurality of auxiliary rotating shaft 5, the both ends of auxiliary rotating shaft 5 rotate respectively and connect on the inside upper and lower surface of casing 1, key connection has main gear 6 on main shaft 4, the key connection has pinion 7 on 5 counter shaft, pinion 7 is connected with the meshing of master gear 6, the key connection of the lower part that just is located pinion 7 on 5 counter shaft has signal wheel 8, the lower surface of casing 1 and the position that is close to every counter shaft 5 all are equipped with pedestal 9, be equipped with the magnetoelectric sensor 10 that detects 8 rotational speeds of signal wheel on the pedestal 9, through the cooperation setting of master gear 6 and a plurality of pinion 7, can drive a plurality of counter shaft 5 and rotate to drive signal wheel 8 simultaneously and rotate, a plurality of magnetoelectric sensor 10 will detect the rotational speed of relative signal wheel 8 simultaneously this moment, directly convert the mechanical energy of testee into the signal of telecommunication output, the lateral wall fixed mounting of casing 1 has detection computer 11, detection computer 11 electricity is connected magnetoelectric sensor 10, through detecting computer 11, the electrical signal invisible to naked eyes can be converted into a visible image, so that the rotating speed change condition of the main rotating shaft 4 is obtained according to the change process of the electrical phenomenon, the rotating speed value of each time point is obtained, multiple groups of data are measured by the plurality of magnetoelectric sensors 10, the average rotating speed value of each time point is obtained according to the calculation capacity of the detection computer 11, multiple groups of data are obtained under certain measurement conditions, the absolute values of positive and negative errors are continuously close along with the increase of data groups, the obtained arithmetic mean value is used as the measured result, the influence of random errors can be reduced, the precision is improved, and a more accurate data curve graph is obtained.
Particularly, the lateral wall of casing 1 is equipped with rectangular observation mouth, rectangular observation mouth coats and is stamped transparent glass 13, can observe the internal conditions.
Specifically, the plurality of sub-shafts 5 are uniformly distributed on the circumferential side of the main shaft 4.
Specifically, the driving motor 2 is a servo motor, which is an engine for controlling the operation of mechanical elements, and is an indirect speed change device of a supplementary motor, the servo motor can control the speed and position accuracy very accurately, can convert a voltage signal into torque and a rotating speed to drive a controlled object, the rotating speed of a rotor of the servo motor is controlled by an input signal and can react quickly, and the servo motor is used as an execution element in an automatic control system and has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like.
Specifically, both ends of the auxiliary rotating shaft 5 are rotatably connected to the inner surface of the housing 1 through bearings 12, and the connecting position of the main rotating shaft 4 and the housing 1 is also rotatably connected to each other through the bearings 12.
Specifically, the bearing 12 is a vibration damping bearing, and the auxiliary rotating shaft 5 and the main rotating shaft 4 can prevent the two rotating shafts from shaking too much in the rotating process to influence the measuring result through the vibration damping bearing.
The working principle is as follows: in the utility model, the chuck 3 can be driven to rotate through the matching arrangement of the driving motor 2 and the main rotating shaft 4, the turbid liquid to be separated can be put into a centrifugal container, and then the turbid liquid is clamped on the chuck 3 to carry out centrifugal work, so that substances with various components can be obtained, a plurality of auxiliary rotating shafts 5 can be driven to rotate through the matching arrangement of the main gear 6 and a plurality of auxiliary gears 7, so that the signal wheel 8 is driven to rotate simultaneously, at the same time, a plurality of magnetoelectric sensors 10 can simultaneously detect the rotating speed of the relative signal wheel 8, the mechanical energy of a measured object is directly converted into electric signal output, through the detection computer 11, the invisible electric signal can be converted into a visible image, thereby according to the change process of the electric phenomenon, the change condition of the rotating speed of the main rotating shaft 4 can be obtained, the rotating speed value of each time point can be obtained, because a plurality of magnetoelectric sensors 10 can measure a plurality of groups of data, therefore, according to the calculation capability of the detection computer 11, the average rotating speed value of each time point can be obtained, multiple groups of data are obtained under certain measurement conditions, the absolute values of positive and negative errors are continuously close along with the increase of data groups, and therefore the obtained arithmetic mean value is used as the measured measurement result, the influence of random errors can be reduced, so that the precision is improved, and a more accurate data curve graph is obtained.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rotational speed measurement detecting system of medical centrifuge, includes casing (1), driving motor (2) and chuck (3), driving motor (2) fixed mounting is in the inside lower surface intermediate position of casing (1), the output fixed mounting of driving motor (2) has the one end of main pivot (4), the other end of main pivot (4) run through the upper surface of casing (1) and with chuck (3) fixed connection, its characterized in that: a plurality of auxiliary rotating shafts (5) are distributed in the shell (1) and positioned on the peripheral side of the main rotating shaft (4), two ends of the auxiliary rotating shaft (5) are respectively and rotatably connected with the upper surface and the lower surface of the interior of the shell (1), a main gear (6) is connected to the upper key of the main rotating shaft (4), an auxiliary gear (7) is connected to the upper key of the auxiliary rotating shaft (5), the auxiliary gear (7) is meshed with the main gear (6), a signal wheel (8) is connected to the auxiliary rotating shaft (5) and is positioned at the lower part of the auxiliary gear (7) through a key, a seat body (9) is arranged on the lower surface of the shell (1) and close to each auxiliary rotating shaft (5), a magnetoelectric sensor (10) for detecting the rotating speed of the signal wheel (8) is arranged on the seat body (9), the outer side wall of the shell (1) is fixedly provided with a detection computer (11), and the detection computer (11) is electrically connected with the magnetoelectric sensor (10).
2. The system of claim 1, wherein the centrifuge further comprises: the lateral wall of casing (1) is equipped with rectangular observation mouth, rectangular observation mouth coats and is stamped transparent glass (13).
3. The system of claim 1, wherein the centrifuge further comprises: the auxiliary rotating shafts (5) are uniformly distributed on the periphery of the main rotating shaft (4).
4. The system of claim 1, wherein the centrifuge further comprises: the driving motor (2) adopts a servo motor.
5. The system of claim 1, wherein the centrifuge further comprises: the two ends of the auxiliary rotating shaft (5) are rotatably connected to the inner surface of the shell (1) through bearings (12), and the connecting positions of the main rotating shaft (4) and the shell (1) are also rotatably connected with each other through the bearings (12).
6. The system of claim 5, wherein: the bearing (12) adopts a shock-absorbing bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922914.7U CN214409026U (en) | 2020-12-09 | 2020-12-09 | Rotating speed measuring and detecting system of medical centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022922914.7U CN214409026U (en) | 2020-12-09 | 2020-12-09 | Rotating speed measuring and detecting system of medical centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214409026U true CN214409026U (en) | 2021-10-15 |
Family
ID=78038519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022922914.7U Expired - Fee Related CN214409026U (en) | 2020-12-09 | 2020-12-09 | Rotating speed measuring and detecting system of medical centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214409026U (en) |
-
2020
- 2020-12-09 CN CN202022922914.7U patent/CN214409026U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1157605C (en) | Detection of rotating direction | |
| CN100434890C (en) | Flexible rotor holographic dynamic balancing method based on empirical mode decomposition | |
| CN108827627B (en) | Gear meshing force detection device | |
| CN214409026U (en) | Rotating speed measuring and detecting system of medical centrifugal machine | |
| US4522620A (en) | Method and apparatus for measuring the quantity of solid material in a centrifuge cylinder | |
| JPS6324424Y2 (en) | ||
| CN110873633A (en) | Spindle vibration detection method and system | |
| US4236407A (en) | Process and apparatus for the quality control inspection of vehicle driving axles | |
| CN108303201A (en) | Multichannel high bandwidth wireless force snesor towards Intelligent Machining | |
| CN218156657U (en) | Wheel hub bearing flange dynamic balance parameter detection subassembly | |
| WO1996008314A1 (en) | Device at centrifuges | |
| CN114733655B (en) | Detection device and detection method for centrifugal blood component separator | |
| CN208297550U (en) | Medical centrifuge revolving speed prover | |
| CN114289195B (en) | Calibrating device for measuring rotation speed indication error of medical centrifugal machine | |
| JP4593822B2 (en) | Centrifuge | |
| CN101650372A (en) | Non-contact electronic vehicle speed sensor and vehicle speed detection method | |
| CN108927297B (en) | Automatic balancing device of laboratory centrifuge and control circuit thereof | |
| CN212778965U (en) | Quick detection tool for disassembling parts of motor | |
| CN106849518A (en) | A kind of high accuracy wheel hub motor | |
| CN101710134A (en) | Vehicle hub rotation speed sensor electrical parameter test device and test method | |
| US5307279A (en) | Self diagnostic wheel balancer | |
| CN218774976U (en) | Slip speed monitoring device and horizontal screw centrifuge comprising same | |
| CN216916147U (en) | Measuring device for bicycle transmission shaft | |
| CN215064973U (en) | Vertical stepping motor torque testing device | |
| CN102121862A (en) | Method for measuring amount of unbalance of tire dynamic balance and tire balancer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |