CN2854571Y - On-line investigating viscometer - Google Patents
On-line investigating viscometer Download PDFInfo
- Publication number
- CN2854571Y CN2854571Y CN 200520124876 CN200520124876U CN2854571Y CN 2854571 Y CN2854571 Y CN 2854571Y CN 200520124876 CN200520124876 CN 200520124876 CN 200520124876 U CN200520124876 U CN 200520124876U CN 2854571 Y CN2854571 Y CN 2854571Y
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- cage framework
- viscosity
- utility
- model
- motor
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model relates to an online measuring and controlling viscometer, which is designed to solve technical problems such as low reliability, sensitiveness to environment and low accuracy in existing technologies. To solve the above mentioned technical problems, the utility model comprise a cage framework, a micro DC motor, a viscidity pendant and a balance rotor connected to the cage framework. The utility model is characterized in that: the micro DC motor is fixed on the bended arm below the balance rotor, while the viscidity pendant is hanged on the rotary axis of the micro DC motor, with the rotary axis driving the viscidity pendant to rotate only. Due to the aforesaid structure of the utility model, the viscidity pendant rotates at constant speed under the driving of the rotary axis of the motor, while other parts of the system keep still at most time during the measurement. In this way, the reliability of viscometer under long operational condition is enhanced. Additionally, due to the adoption of the non-contact displacement sensor, the measurement is not easily affected by environment with ideal repetition and high accuracy.
Description
Technical field
The utility model relates to a kind of viscosity measurements control instrument, specifically a kind of online monitoring method viscosity meter.
Background technology
Conventional online observing and controlling viscosity meter mainly is made up of range finding rotor-support-foundation system, signal Processing and outlet line, shell etc.The range finding rotor-support-foundation system is its core, mainly is made up of motor, power rotor, servo-actuated rotor, hairspring, viscosity bob, photoelectric sensor etc.Driven by motor power rotor, servo-actuated rotor, hairspring and viscosity are weighed down rotation together during work, viscosity is weighed down and is immersed in the fluid to be measured, fluid to be measured imposes on that viscosity is weighed down and the moment of one of servo-actuated rotor and direction of rotation, and this moment makes generation one relative displacement between the power rotor servo-actuated rotor.Photoelectric sensor is measured the used time of this relative displacement that rotates through, and this time is directly proportional with the viscosity of fluid to be measured.This viscosity meter since when measuring power rotor, servo-actuated rotor, hairspring, viscosity weigh down rotation together, rocking and the instability when working long hours when having increased work reduced the reliability that viscosity meter works long hours.In addition, this viscosity meter is owing to be subject to the influence of environment (such as wet gas, smog, pollute, rock etc.) when adopting photoelectric sensor that displacement is converted into time quantum, and poor repeatability causes the precision measured lower.
Summary of the invention
The purpose of this utility model is in order to solve technical matterss such as poor reliability that prior art exists, easily affected by environment, precision is lower, and a kind of motor that provides only drives the high online monitoring method viscosity meter of good reliability, precision that viscosity is weighed down rotation.
In order to solve the problems of the technologies described above, the utility model comprises the balancing rotor that cage framework, DC micromotor, viscosity are weighed down and is connected with the cage framework, it is characterized in that: described DC micromotor is fixed on the curved arm of balancing rotor below, viscosity is weighed down and is hung on the turning axle of DC micromotor, and turning axle only drives viscosity and weighs down rotation.
In the further detailed structure of the utility model, also has following technical characterictic: connect two hairsprings between described cage framework and the balancing rotor.
In the further detailed structure of the utility model, also have following technical characterictic: the outer end of described pair of hairspring is fixed on the column of cage framework by hairspring holder, the inner is wrapped on the middle metallic sheath of balancing rotor, and its inner is connected with the power lead of DC micromotor respectively.
In the further detailed structure of the utility model, also has following technical characterictic: be fixed with a ladder support frame that extends cage framework top on the disk of balancing rotor, be fixed with a permanent magnet on the ladder support frame, be provided with a non-contact type displacement transducer corresponding to the permanent magnet place at the cage framework.
The utlity model has following advantage and good effect: because the utility model has adopted said structure, electric machine rotational axis drives viscosity and weighs down with constant speed rotation, and the maintenance in most times of measuring of the other parts of system is static, just balancing rotor rotates through a certain displacement with respect to the cage framework when unloading phase (a few second) or the fluid to be measured viscosity of motor change, and has improved the reliability that viscosity meter works long hours so greatly.In addition, owing to adopted the non-contact type displacement transducer, be used for contactlessly measuring the relative shift (magnitude of voltage or current value) between balancing rotor and cage framework, this displacement is directly proportional with fluid to be measured viscosity.This metering system is difficult for affected by environment than photoelectric sensor, good reproducibility, precision height.In order to solve the power lead routing problem of micro-current motor, the utility model is connected to the inners of two hairsprings respectively with two power leads of motor, and the both positive and negative polarity of power supply then is connected respectively to the outer end of two hairsprings.The nonmetallic materials insulation is adopted in the junction of hairspring and cage framework and balancing rotor.Two like this hairsprings also play the effect to electrical power except playing equilibrium activity, can not balance rotor and apply extra resistance.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 the utility model structural representation.
1, goes up disk; 2, permanent magnet; 3, non-contact type displacement transducer; 4, ladder support frame; 5, column; 6, hairspring holder; 7, lower disc; 8, curved arm; 9, DC micromotor; 10, viscosity is weighed down; 11, bearing; 12, disk; 13, hairspring; 14, metallic sheath; 15, rotating shaft.
Embodiment
Referring to Fig. 1, the utility model online monitoring method viscosity meter comprises cage framework, DC micromotor 9, viscosity bob 10 and the balancing rotor that is connected with the cage framework, cage framework vertical fixing, form by last disk 1, lower disc 7 and three columns 5 being connected upper and lower disk, each fixing bearing 11 of the center of upper and lower disk 1,7, fix a hairspring holder 6 respectively on two columns 5 wherein, insulate with insulating material between hairspring holder 6 and the column 5.Balancing rotor is made up of the rotating shaft 15 of two ends band thimble, two hairspring fixing metal covers 14, disk 12, curved arms 8, between two hairspring fixing metals overlap 14 and and rotating shaft 15 and disk 12 between insulate with insulating material.The disk 12 of balancing rotor upper end and the curved arm 8 of lower end are connected by bearing 11 contacts at the upper and lower disk of thimble in the rotating shaft 15 and cage framework 1,7 centers respectively.The curved arm 8 of balancing rotor is walked around the lower disc 7 of cage framework, and DC micromotor 9 is fixed on the curved arm 8 of balancing rotor below, and viscosity is weighed down 10 and hung on the turning axle of DC micromotor 9, and turning axle only drives viscosity and weighs down 10 rotations.Connect two hairsprings 13 between cage framework and the balancing rotor, the outer end of two hairsprings 13 is fixed on the column 5 of cage framework by hairspring holder 6 respectively, and hairspring holder 6 is used for fixing the outer end and a power lead (connecing the negative or positive electrode of Switching Power Supply) of a hairspring 13; The inner of two hairsprings 13 is wrapped in respectively on the middle metallic sheath 14 of balancing rotor, and its inner is connected with the power lead of DC micromotor 9 respectively.Like this, two hairspring 13 also can be used as the power path of DC micromotor except playing equilibrium activity.Be fixed with a ladder support frame 4 that extends cage framework top on the disk 12 of balancing rotor, be fixed with a permanent magnet 2 on the ladder support frame 4, be provided with a non-contact type displacement transducer 3 corresponding to permanent magnet 2 places on the cage framework, this non-contact type displacement transducer 3 can be mistor sensor or Hall element.
The viscosity that the drive of the turning axle of DC micromotor 9 is immersed in the fluid to be measured during work weighs down 10 with the constant speed rotation, and fluid to be measured imposes on viscosity and weighs down 10 1 moment Fs opposite with sense of rotation 1.In order to make total system keep balance, balancing rotor rotates a displacement with respect to the cage framework, thereby makes hairspring 13 produce deformation.The pulling force that hairspring 13 deformation produce weighs down 10 by balancing rotor and 9 pairs of viscosity of motor and applies a moment F2 with the F1 opposite sign but equal magnitude, makes viscosity weigh down 10 stress balances like this and does uniform rotation.Being fixed on displacement transducer 3 on the cage framework, to measure the displacement that permanent magnet 2 turns over be the displacement that balancing rotor turns over, and this displacement is proportional to the viscosity of fluid to be measured.The utility model is rational in infrastructure ingenious, can be for a long time exactly from the viscosity number of motion tracking tracer liquid.
Certainly, above-mentioned explanation is not to be to restriction of the present utility model, and the utility model also is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present utility model, the variation of making, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.
Claims (4)
1, a kind of online monitoring method viscosity meter, it comprises the balancing rotor that cage framework, DC micromotor, viscosity are weighed down and is connected with the cage framework, it is characterized in that: described DC micromotor is fixed on the curved arm of balancing rotor below, viscosity is weighed down and is hung on the turning axle of DC micromotor, and turning axle only drives viscosity and weighs down rotation.
2, online monitoring method viscosity meter according to claim 1 is characterized in that: connect two hairsprings between described cage framework and the balancing rotor.
3, online monitoring method viscosity meter according to claim 2, it is characterized in that: the outer end of described pair of hairspring is fixed on the column of cage framework by hairspring holder, the inner is wrapped on the middle metallic sheath of balancing rotor, and its inner is connected with the power lead of DC micromotor respectively.
4, online monitoring method viscosity meter according to claim 1 and 2, it is characterized in that: be fixed with a ladder support frame that extends cage framework top on the disk of balancing rotor, be fixed with a permanent magnet on the ladder support frame, be provided with a non-contact type displacement transducer corresponding to the permanent magnet place at the cage framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124876 CN2854571Y (en) | 2005-11-17 | 2005-11-17 | On-line investigating viscometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124876 CN2854571Y (en) | 2005-11-17 | 2005-11-17 | On-line investigating viscometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854571Y true CN2854571Y (en) | 2007-01-03 |
Family
ID=37581208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124876 Expired - Fee Related CN2854571Y (en) | 2005-11-17 | 2005-11-17 | On-line investigating viscometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854571Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980836A (en) * | 2012-12-25 | 2013-03-20 | 徐良 | Rotation-type on-line viscometer |
| CN103364311A (en) * | 2012-03-26 | 2013-10-23 | 澳思登科学仪器(上海)有限公司 | Central rotating shaft unit and liquid viscosity measurement instrument |
| CN105300842A (en) * | 2015-12-02 | 2016-02-03 | 中国科学院上海应用物理研究所 | Viscometer |
| CN106568687A (en) * | 2016-11-11 | 2017-04-19 | 深圳市华星光电技术有限公司 | Viscous liquid recovery assembly |
-
2005
- 2005-11-17 CN CN 200520124876 patent/CN2854571Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364311A (en) * | 2012-03-26 | 2013-10-23 | 澳思登科学仪器(上海)有限公司 | Central rotating shaft unit and liquid viscosity measurement instrument |
| CN102980836A (en) * | 2012-12-25 | 2013-03-20 | 徐良 | Rotation-type on-line viscometer |
| CN105300842A (en) * | 2015-12-02 | 2016-02-03 | 中国科学院上海应用物理研究所 | Viscometer |
| CN105300842B (en) * | 2015-12-02 | 2018-03-30 | 中国科学院上海应用物理研究所 | A kind of viscosity apparatus |
| CN106568687A (en) * | 2016-11-11 | 2017-04-19 | 深圳市华星光电技术有限公司 | Viscous liquid recovery assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |