CN204389342U - A kind of viscosity meter - Google Patents
A kind of viscosity meter Download PDFInfo
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- CN204389342U CN204389342U CN201520060511.2U CN201520060511U CN204389342U CN 204389342 U CN204389342 U CN 204389342U CN 201520060511 U CN201520060511 U CN 201520060511U CN 204389342 U CN204389342 U CN 204389342U
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- torsion shaft
- servomotor
- sampling
- viscosity
- viscosity meter
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Abstract
The application discloses a kind of viscosity meter, when utilizing the viscosity of this viscosity meter fluid, pipe in sampling in viscosity meter and sampling outer tube are immersed in tested fluid, in sampling in viscosity meter, pipe and torsion shaft rotate under the control of control circuit, torsion shaft is subject to the impact of torsion, deformation can be produced, the resistance being pasted onto the resistance strain in described torsion shaft changes, the viscosity of fluid is different, the deformation that torsion shaft occurs is different, accordingly, the change in resistance of described resistance strain is also different, resistance strain composition strain bridge, this strain bridge is connected with control circuit, the change of resistance can be transformed into the change of voltage signal, thus go out viscosity according to the measure of the change of voltage signal.Viscosity meter disclosed in the present application, have employed the energy and is coupled with the contactless of signal, solves the measurement of pipe torque value under rotation status in torsion shaft and sampling, thus completes the measurement of moment of torsion to viscosity.
Description
Technical field
The utility model relates to technology of instrument and meter field, particularly relates to a kind of viscosity meter.
Background technology
In the fields such as oil, chemical industry and metallurgy, convection cell character is often needed to study.Such as, after recover petroleum, need to study stone oil properties.Wherein, viscosity weighs the important physical parameter of liquid opposing fluid ability, and to understanding fluid properties, and the character of Study of Fluid plays vital effect.
In Practical Project and commercial production, often need the viscosity of test fluid, to ensure production environment and product quality, improve productivity effect.In conventional art, to obtain the viscosity of fluid, usually adopt the method for theory calculate.
But inventor finds in the research process of the application, when adopting the method for theory calculate to obtain fluid viscosity, need first to obtain parameter required in computation process, and then calculate according to this parameter, complex steps.
Utility model content
For overcoming Problems existing in correlation technique, the disclosure provides a kind of viscosity meter.
In order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
The application discloses a kind of viscosity meter, comprising: pipe, sampling outer tube, servomotor and torsion shaft support plate, power supply, control circuit and rinse water joint in servomotor, shaft joint, torsion shaft, installing plate, sampling, wherein,
Described servomotor and described torsion shaft are separately fixed on described servomotor and torsion shaft support plate, and described servomotor is connected with control circuit with described power supply respectively;
Described servomotor is connected with described shaft joint, and described shaft joint is connected with the power end of described torsion shaft;
Described servomotor and torsion shaft support plate are fixed on described installing plate;
Described torsion shaft is pasted with resistance strain, and described torsion shaft is connected with described control circuit with described power supply respectively;
The measuring junction of described torsion shaft stretches out described installing plate, and the below of described torsion shaft is connected with pipe in described sampling;
In described sampling, pipe is arranged on described sampling outer tube, and described sampling outer tube is arranged on described installing plate;
The outer rim of described installing plate is provided with rinse water joint, and described rinse water joint is connected with described sampling outer tube;
Described control circuit is connected with described power supply.
Alternatively, described viscosity meter also comprises: protective cover,
Wherein, described servomotor, torsion shaft and servomotor and torsion shaft support plate are arranged in described protective cover;
Described protective cover is fixed on described installing plate.
Alternatively, described control circuit comprises: central controller, motor driver, electric machine controller and torque signal treatment circuit, wherein,
Described central controller is connected with described power supply, described electric machine controller and described torque signal treatment circuit respectively, and according to the setting operation received, described central controller produces corresponding control signal, comprises rotating speed in described control signal;
Described electric machine controller is connected with described power supply, motor driver and described central controller respectively, and after receiving described control signal, described control signal is transferred to described motor driver by described electric machine controller;
Described motor driver is connected with described power supply, electric machine controller and described servomotor respectively, after receiving described control signal, described motor driver drives described servomotor according to described control signal, to make described servomotor according to the rotating speed comprised in described control signal, pipe in described torsion shaft and sampling is driven to rotate;
Described torque signal treatment circuit respectively with the resistance strain that arranges in described power supply, torsion shaft, and described central controller is connected, described voltage signal, after the voltage signal receiving the transmission of described resistance strain, is transferred to described central controller by described torque signal treatment circuit.
Alternatively, described viscosity meter also comprises:
Signal wireless transmitting and receiving module.
Alternatively, the wireless transmission and receiving module of described signal wireless transmitting and receiving module to be ISM band be 915mHz.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
When adopting the viscosity of viscosity meter fluid disclosed in the present application, pipe in sampling in viscosity meter and sampling outer tube are immersed in tested fluid, in sampling in viscosity meter, pipe and torsion shaft rotate under the control of control circuit, torsion shaft is subject to the impact of torsion, deformation can be produced, the resistance being pasted onto the resistance strain in described torsion shaft changes, the viscosity of fluid is different, the deformation that torsion shaft occurs is different, accordingly, the change in resistance of described resistance strain is also different, resistance strain composition strain bridge, this strain bridge is connected with control circuit, the change of resistance can be transformed into the change of voltage signal, thus go out viscosity according to the measure of the change of voltage signal.Viscosity meter disclosed in the present application, have employed the energy and is coupled with the contactless of signal, solves the measurement of pipe torque value under rotation status in torsion shaft and sampling, thus completes the measurement of moment of torsion to viscosity.When utilizing the viscosity of viscosity meter test fluid disclosed in the present application, do not need to obtain the parameter needed for calculating again, and do not need to calculate viscosity according to parameter, and just pipe in the sampling in viscosity meter and sampling outer tube are immersed in tested fluid, can obtain the viscosity of this fluid, step is simple and direct.
In addition, conventional art, when obtaining the viscosity of detected fluid, needs to pass through calculating, often there is comparatively big error, affect the precision of viscosity measurements in computation process.And viscosity meter disclosed in the present application, do not need to calculate, improve the precision of viscosity measurements.
And after this viscosity measurement terminates, can access cleaning fluid by rinse water joint, thus clean in described sampling the inwall managing and sample outer tube, when avoiding measurement next time, sampling is interior manages upper and samples the fluids measuring accuracy that the inwall of outer tube adheres to.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows and meets embodiment of the present utility model, and is used from instructions one and explains principle of the present utility model.
Fig. 1 is the structural representation of a kind of viscosity meter according to an exemplary embodiment;
Fig. 2 is the structural representation of another viscosity meter according to an exemplary embodiment;
Fig. 3 is in a kind of viscosity meter according to an exemplary embodiment, the circuit diagram of torsion shaft;
Fig. 4 is in a kind of viscosity meter according to an exemplary embodiment, the structural representation of torsion shaft.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the utility model.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present utility model are consistent.
In order to solve the problem of the prior art complex steps existing when measuring fluid viscosity, this application discloses a kind of viscosity meter.Structural representation shown in Figure 1, described viscosity meter comprises: pipe 5, sampling outer tube 6, servomotor and torsion shaft support plate 7, power supply 8, control circuit 9 and rinse water joint 10 in servomotor 1, shaft joint 2, torsion shaft 3, installing plate 4, sampling.
Wherein, described servomotor 1 is separately fixed on described servomotor and torsion shaft support plate 7 with described torsion shaft 3, and described servomotor 1 is connected with control circuit 9 with described power supply 8 respectively;
Described servomotor 1 is connected with described shaft joint 2, and described shaft joint 2 is connected with the power end of described torsion shaft 3;
Described servomotor and torsion shaft support plate 7 are fixed on described installing plate 4;
Described torsion shaft 3 is pasted with resistance strain, and described torsion shaft 3 is connected with described control circuit 9 with described power supply 8 respectively;
The measuring junction of described torsion shaft 3 stretches out described installing plate 4, and the below of described torsion shaft 3 is connected with pipe 5 in described sampling;
In described sampling, pipe 5 is arranged on described sampling outer tube 6 inside, and described sampling outer tube 6 is arranged on described installing plate 4;
The outer rim of described installing plate 4 is provided with rinse water joint 10, and described rinse water joint 10 is connected with described sampling outer tube 6;
Described control circuit 9 is connected with described power supply 8.
When adopting the viscosity of viscosity meter fluid disclosed in the present application, pipe in sampling in viscosity meter and sampling outer tube are immersed in tested fluid, in sampling in viscosity meter, pipe and torsion shaft rotate under the control of control circuit, torsion shaft is subject to the impact of torsion, deformation can be produced, the resistance being pasted onto the resistance strain in described torsion shaft changes, the viscosity of fluid is different, the deformation that torsion shaft occurs is different, accordingly, the change in resistance of described resistance strain is also different, resistance strain composition strain bridge, this strain bridge is connected with control circuit, the change of resistance can be transformed into the change of voltage signal, thus go out viscosity according to the measure of the change of voltage signal.Viscosity meter disclosed in the present application, have employed the energy and is coupled with the contactless of signal, solves the measurement of pipe torque value under rotation status in torsion shaft and sampling, thus completes the measurement of moment of torsion to viscosity.When utilizing the viscosity of viscosity meter test fluid disclosed in the present application, do not need to obtain the parameter needed for calculating again, and do not need to calculate viscosity according to parameter again, and just pipe in the sampling in viscosity meter and sampling outer tube are immersed in tested fluid, can obtain the viscosity of this fluid, step is simple and direct.
In addition, conventional art, when obtaining the viscosity of detected fluid, needs to pass through calculating, often there is comparatively big error, affect the precision of viscosity measurements in computation process.And viscosity meter disclosed in the present application, do not need to calculate, improve the precision of viscosity measurements.
And after this viscosity measurement terminates, can access cleaning fluid by rinse water joint, thus clean in described sampling the inwall managing and sample outer tube, when avoiding measurement next time, sampling is interior manages upper and samples the fluids measuring accuracy that the inwall of outer tube adheres to.
Wherein, the power supply 8 arranged in viscosity meter disclosed in the present application adopts stabilized voltage supply usually.
Further, viscosity meter disclosed in the present application also comprises: protective cover 11.
Wherein, described servomotor 1, torsion shaft 3 and servomotor and torsion shaft support plate 7 are arranged in described protective cover 11;
Described protective cover 11 is fixed on described installing plate 4.
By the protective cover 11 arranged on viscosity meter, servomotor 1, torsion shaft 3 and servomotor and torsion shaft support plate 7 can be isolated with external environment, improve the security performance of viscosity meter.
In addition; servomotor 1 and torsion shaft 3 are respectively when being connected with control circuit 9 with power supply 8; connect by plug 12; in this case, plug 12 can be arranged on the top of described protective cover 11, when needing the viscosity of viscosity meter fluid; described power supply 8 is communicated with described plug 12 by cable with control circuit 9; further, described servomotor 1 is communicated with described plug 12 with torsion shaft 3, thus realize described servomotor 1 and torsion 3 axle respectively with the connection of power supply 8, control circuit 9.
Further, structural representation shown in Figure 2, described control circuit 9 comprises: central controller 91, electric machine controller 92, motor driver 93 and torque signal treatment circuit 94.
Wherein, central controller 91 is connected with described power supply 8, described electric machine controller 92 and described torque signal treatment circuit 94 respectively, according to the setting operation received, described central controller 91 produces corresponding control signal, comprises rotating speed in described control signal;
Described electric machine controller 92 is connected with described power supply 8, motor driver 93 and described central controller 91 respectively, and after receiving described control signal, described control signal is transferred to described motor driver 93 by described electric machine controller 92;
Described motor driver 93 respectively with described power supply 8, electric machine controller 92, and described servomotor 1 is connected, after receiving described control signal, described motor driver 93 drives described servomotor 1 according to described control signal, to make described servomotor 1 according to the rotating speed comprised in described control signal, pipe 5 in described torsion shaft 3 and sampling is driven to rotate;
Described torque signal treatment circuit 94 respectively with the resistance strain that arranges in described power supply 8, torsion shaft 3, and described central controller 91 is connected, described voltage signal, after the voltage signal receiving the transmission of described resistance strain, is transferred to described central controller 91 by described torque signal treatment circuit 94.
Wherein, described central controller 91 is the core of control circuit 9, staff can be arranged described central controller 91, thus different rotating speeds or shearing rate are set, central processing unit 91 is under the setting of staff, produce corresponding control signal, the rotating speed corresponding with setting operation is comprised in described control signal, and described control signal is transferred to described electric machine controller 92, described control signal is transferred to described motor driver 93 by described electric machine controller 92, described motor driver 93 drives servomotor 1 according to the rotating speed of setting, pipe 5 in torsion shaft 3 and sampling is driven to rotate to make described servomotor 1.Torsion shaft 3 is subject to the impact of torsion, deformation can be produced, the resistance being pasted onto the resistance strain in described torsion shaft 3 changes accordingly, resistance strain composition strain bridge, this strain bridge is connected with the torque signal treatment circuit 94 in control circuit 9, the change of resistance can be transformed into the change of voltage signal, described torque signal treatment circuit 94 is after the voltage signal receiving the transmission of described resistance strain, described voltage signal is transferred to described central controller 91, described central controller 91 goes out viscosity according to the measure of the change of voltage signal and exports, so that staff obtains the viscosity of the fluid that this is measured.
Further, also comprise in viscosity meter disclosed in the present application: signal wireless transmitting and receiving module 13.Described signal wireless transmitting and receiving module 13.Wherein, described signal wireless transmitting and receiving module 13 is generally the wireless transmission and receiving module that ISM band is 915mHz, certainly, also the wireless transmission and receiving module of other frequency ranges can be selected, the application is not construed as limiting this, further, described signal wireless transmitting and receiving module 13 is connected with control circuit 9 usually.This can be measured the viscosity got and export by described signal wireless transmitting and receiving module 13, and can receive steering order.
Wherein, the circuit diagram of torsion shaft shown in Figure 3, described torsion shaft generally includes: the input energy sources coupling mechanism 31 connected successively, mu balanced circuit 32, strain bridge 33, voltage amplifier 34, V/F (voltage/frequency) transducer 35, output signal coupling mechanism 36 and signal output apparatus 37.Power supply is after transferring to the input energy sources coupling mechanism 31 of torsion shaft, by the mu balanced circuit 32 in torsion shaft, be converted into stable voltage, and by each electron device in described stable voltage supply torsion shaft, comprise strain bridge 33, strain bridge 33 converts the deformation of torsion shaft to voltage signal, described voltage signal is after voltage amplifier 34 amplifies, transfer in V/F (voltage/frequency) transducer 35, the voltage signal that V/F (voltage/frequency) transducer 35 exports transfers to output signal coupling mechanism 36, and after output signal coupling mechanism 36, voltage signal is exported to signal output apparatus 37, described signal output apparatus 37 carries out Shape correction to the voltage signal received, square wave frequency signal after output processing, and by described square wave frequency Signal transmissions to the torque signal treatment circuit in control circuit, so that the viscosity of tested fluid determined accordingly by control circuit.
The structural representation of torsion shaft shown in Figure 4, in this figure, Rb is the radius of pipe in sampling, Rc is the radius of sampling outer tube, L is the length of sampling outer tube, and wherein Rb, Rc, L are all designed to constant, the rotating speed of sampling interior pipe when W is this measurement, wherein, Rb, Rc, L and W can jointly as measurement parameters.When servomotor drives pipe rotation in torsion shaft and sampling, torsion shaft affects generation deformation by torsion, and the resistance being pasted onto the resistance strain in torsion shaft changes, and namely the voltage signal transferring to control circuit changes.According to measurement parameter and voltage signal, the viscosity of fluid can be obtained.
Through overtesting, the shearing rate scope of viscosity meter disclosed in the present application is generally 10 ~ 1000Sec-1, measurement range is 10 ~ 500000cp, resolution is 2%FS, and the response time is less than 2 seconds, and without the need to carrying out sampling analysis to liquid, helpful with guarantee product quality to the performance of optimizing product, there is the cleaning function of pipe and sampling outer tube in sampling, can use in the scope of environment temperature-20 ~ 65 DEG C, and can the viscosity of the fluid of measuring media temperature in the scope of 0 ~ 250 DEG C.
About the device in above-described embodiment, wherein the concrete mode of modules executable operations has been described in detail in about the embodiment of the method, will not elaborate explanation herein.
Those skilled in the art, at consideration instructions and after putting into practice utility model disclosed herein, will easily expect other embodiment of the present utility model.The application is intended to contain any modification of the present utility model, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present utility model and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Instructions and embodiment are only regarded as exemplary, and true scope of the present utility model and spirit are pointed out by claim below.
Should be understood that, the utility model is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.Scope of the present utility model is only limited by appended claim.
Claims (5)
1. a viscosity meter, is characterized in that, comprising: pipe, sampling outer tube, servomotor and torsion shaft support plate, power supply, control circuit and rinse water joint in servomotor, shaft joint, torsion shaft, installing plate, sampling, wherein,
Described servomotor and described torsion shaft are separately fixed on described servomotor and torsion shaft support plate, and described servomotor is connected with control circuit with described power supply respectively;
Described servomotor is connected with described shaft joint, and described shaft joint is connected with the power end of described torsion shaft;
Described servomotor and torsion shaft support plate are fixed on described installing plate;
Described torsion shaft is pasted with resistance strain, and described torsion shaft is connected with described control circuit with described power supply respectively;
The measuring junction of described torsion shaft stretches out described installing plate, and the below of described torsion shaft is connected with pipe in described sampling;
In described sampling, pipe is arranged on described sampling outer tube, and described sampling outer tube is arranged on described installing plate;
The outer rim of described installing plate is provided with rinse water joint, and described rinse water joint is connected with described sampling outer tube;
Described control circuit is connected with described power supply.
2. viscosity meter according to claim 1, is characterized in that, described viscosity meter also comprises: protective cover,
Wherein, described servomotor, torsion shaft and servomotor and torsion shaft support plate are arranged in described protective cover;
Described protective cover is fixed on described installing plate.
3. viscosity meter according to claim 1, is characterized in that, described control circuit comprises: central controller, motor driver, electric machine controller and torque signal treatment circuit, wherein,
Described central controller is connected with described power supply, described electric machine controller and described torque signal treatment circuit respectively, and according to the setting operation received, described central controller produces corresponding control signal, comprises rotating speed in described control signal;
Described electric machine controller is connected with described power supply, motor driver and described central controller respectively, and after receiving described control signal, described control signal is transferred to described motor driver by described electric machine controller;
Described motor driver is connected with described power supply, electric machine controller and described servomotor respectively, after receiving described control signal, described motor driver drives described servomotor according to described control signal, to make described servomotor according to the rotating speed comprised in described control signal, pipe in described torsion shaft and sampling is driven to rotate;
Described torque signal treatment circuit respectively with the resistance strain that arranges in described power supply, torsion shaft, and described central controller is connected, described voltage signal, after the voltage signal receiving the transmission of described resistance strain, is transferred to described central controller by described torque signal treatment circuit.
4., according to the arbitrary described viscosity meter of claims 1 to 3, it is characterized in that, described viscosity meter also comprises:
Signal wireless transmitting and receiving module.
5. viscosity meter according to claim 4, is characterized in that,
The wireless transmission and receiving module of described signal wireless transmitting and receiving module to be ISM band be 915mHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060511.2U CN204389342U (en) | 2015-01-28 | 2015-01-28 | A kind of viscosity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520060511.2U CN204389342U (en) | 2015-01-28 | 2015-01-28 | A kind of viscosity meter |
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| Publication Number | Publication Date |
|---|---|
| CN204389342U true CN204389342U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520060511.2U Expired - Fee Related CN204389342U (en) | 2015-01-28 | 2015-01-28 | A kind of viscosity meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643237A (en) * | 2017-10-13 | 2018-01-30 | 奇思智控（天津）商贸有限公司 | Viscosimeter |
| CN108613899A (en) * | 2018-06-15 | 2018-10-02 | 昆明理工大学 | A kind of adaptive oil viscosity measuring device of strain-type and method |
| CN112934119A (en) * | 2021-01-27 | 2021-06-11 | 淄博高新区成大机械设计研究所 | Gelatin melting tank for health product production and use method thereof |
-
2015
- 2015-01-28 CN CN201520060511.2U patent/CN204389342U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643237A (en) * | 2017-10-13 | 2018-01-30 | 奇思智控（天津）商贸有限公司 | Viscosimeter |
| CN107643237B (en) * | 2017-10-13 | 2024-04-30 | 南京谱蒂亮森信息科技有限公司 | Viscometer (viscosimeter) |
| CN108613899A (en) * | 2018-06-15 | 2018-10-02 | 昆明理工大学 | A kind of adaptive oil viscosity measuring device of strain-type and method |
| CN108613899B (en) * | 2018-06-15 | 2023-12-22 | 昆明理工大学 | Strain type self-adaptive oil viscosity measurement device and method |
| CN112934119A (en) * | 2021-01-27 | 2021-06-11 | 淄博高新区成大机械设计研究所 | Gelatin melting tank for health product production and use method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20190128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |