CN205067272U - High accuracy digit viscosimeter - Google Patents
High accuracy digit viscosimeter Download PDFInfo
- Publication number
- CN205067272U CN205067272U CN201520792737.1U CN201520792737U CN205067272U CN 205067272 U CN205067272 U CN 205067272U CN 201520792737 U CN201520792737 U CN 201520792737U CN 205067272 U CN205067272 U CN 205067272U
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- motor
- control unit
- high accuracy
- operation monitoring
- torque sensor
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Abstract
The utility model relates to a high accuracy digit viscosimeter, observe and control platform, stainless steel round column rotor and base lifting support including the operation, the front portion that the platform was observed and controled in the operation is equipped with the LCD touch -sensitive screen, and inside step motor, torque sensor, speed sensor, the multistage segmentation driver of motor and the main control unit of being equipped with of dustcoat of platform is observed and controled in the operation, the rotor passes through connecting screw rod and couples on step motor's output shaft, and the multistage segmentation driver of motor is connected with the step motor electricity, torque sensor, speed sensor, the multistage segmentation driver of motor and LCD touch -sensitive screen all are connected with the main control unit electricity, the multistage segmentation driver of motor includes FPGA, NJU39610 chip, NJM3771 chip and RAM data memory, main control unit adopts the ARM treater. This digital viscosimeter has the convenient operation of use, measuring sensitivity is high, the test result is reliable, the interference killing feature is strong, the viscosity number shows advantages such as stable.
Description
Technical field
The utility model relates to a kind of viscosity meter, particularly relates to a kind of high accuracy number viscosity meter for detecting optical film coating.
Background technology
Optical thin film is ubiquitous in our life, from accurate and optical device, display apparatus to the glasses daily life, digital camera, various electrical home appliances, all there is the application of optical thin film.In general, the mode of production of optical thin film is mainly divided into the production technology of dry method and wet method.So-called dry type does not have in the present whole process of liquid discharge exactly, and such as vacuum evaporation is in vacuum environment, with electric energy heat solid raw material, is attached on the surface of a solid substrate, completes coating waste water after being sublimed into gas.But under the consideration of actual volume production, the scope that dry type coating is used is less than wet.The way that wet is general is that the composition with various function is mixed into liquid coating, is coated on base material with different processing modes, then makes liquid coating dry solidification make product.
In the wet production technology of optical thin film, one of crucial factor affecting optical film product quality for being coated on the viscosity of the liquid coating on base material, especially more obvious to the qualitative effects of the optical thin film with accurate microstructure, dope viscosity is too high, constructional difficulties can be made, during spraying, meeting plug nozzle, coating atomization is poor, levelability is poor, air spots is sliding; Dope viscosity is too low, can cause sagging, forms the uneven film of upper-thin-lower-thick, does not have the due protective effect of film.Therefore, need during coating composition in optical thin film production to adopt viscosity meter to detect the viscosity of coating strictly to control its viscosity.
Summary of the invention
The purpose of this utility model is to provide a kind of high accuracy number viscosity meter preparing the dope viscosity of optical thin film for on-line measurement, has and uses the advantages such as easy to operate, measurement sensistivity is high, reliable test result, antijamming capability strong, viscosity number display is stable.
To achieve these goals, the technical solution adopted in the utility model is, a kind of high accuracy number viscosity meter, comprise operation monitoring and control unit, stainless steel cylindrical rotor and base lifting support, described operation monitoring and control unit is fixedly mounted on base lifting support by securing member; The front portion of described operation monitoring and control unit is provided with LCD touch screen, and the outer cover inside of operation monitoring and control unit is provided with stepper motor, torque sensor, speed probe, the multistage subdivision driver of motor and master controller; Described rotor is connected on the output shaft of stepper motor by connecting screw rod, described torque sensor is arranged on the connecting screw rod of rotor, speed probe is arranged on the output shaft of stepper motor, the multistage subdivision driver of motor is electrically connected with stepper motor, and the multistage subdivision driver of described torque sensor, speed probe, motor and LCD touch screen are all electrically connected with master controller; The multistage subdivision driver of described motor comprises FPGA, NJU39610 chip, NJM3771 chip and RAM data-carrier store, and described master controller adopts arm processor.
Improve as one of the present utility model, the outer cover top of described operation monitoring and control unit is also provided with the spirit bubble for leveling, and is provided with the horizontal adjustment knob be combined with spirit bubble in the bottom of base lifting support, ensures that viscosity meter is in the duty of level.
Improve as one of the present utility model, described master controller is provided with temperature sensor probe interface, USB interface, serial line interface, network interface and printer interface, and total interface is arranged on the rear portion of operation monitoring and control unit outer cover.The setting of temperature sensor probe interface can be used for the occasion needing to monitor coating material temperature in real time, to ensure that the viscosity surveyed obtains at a predetermined temperature, the setting of USB interface or serial line interface is convenient to viscosity meter to communicate with the general control system on production line, network interface be arranged so that viscosity meter has the ability of networking on-line measurement, this viscosity meter can be connected printer and print relevant data by the setting of printer interface.
Improve as one of the present utility model, described base lifting support comprises base and is vertically fixed on the lifting column on base, lifting column is arranged on base by hold-down nut, described lifting column is provided with lifting handwheel and lifting degree of tightness set screw, by rotating lifting handwheel, lifting degree of tightness set screw tightened after moving up and down column to suitable height, lifting degree of tightness set screw, to be slightly tightly advisable, prevents operation monitoring and control unit from falling because of deadweight generation.
Improve as one of the present utility model, heat-resistant device is provided with between rotor and torque sensor, like this when the dope viscosity that measuring tempeature is very high, heat-resistant device can prevent heat to be delivered to torque sensor and stepper motor by connecting screw rod heat conduction, thus viscosity meter is worked at relatively high temperatures.
Relative to prior art, overall construction design of the present utility model is ingenious, disassembly and assembly convenient maintenance and replacement, and start can measure the viscosity of coating automatically, and viscosity measurement is stablized, and under different tachometer values, dope viscosity measurement result is reliable and stable; The viscosity of coating under different shear rate can be measured, the rotating speed of motor is accurately controlled by the multistage subdivision driver of motor, what allow stepper motor run is more steady, rotating speed is more even, and constancy and the accuracy of rotor speed is kept in conjunction with torque sensor and magnetic power rotation speed sensor, thus the operational requirements meeting viscosity meter that all can be stable under the slow-speed of revolution and high rotating speed, substantially increase measurement precision and the sensitivity of viscosity meter; Be applicable to high temperature occasion by arranging heat-resistant device by viscosity meter, and substantially increase the antijamming capability of viscosity meter; Operating personnel by setting the parameters such as motor speed, measuring tempeature, rotor number in advance in LCD touch screen, viscosity meter carries out dope viscosity measurement automatically according to the parameter of setting, also master controller can be revised the viscosity number recorded automatically as required, and measurement result is presented in LCD touch screen by the formal intuition that picture and text combine, print by the automatic measurement report of printer interface or send data to general control system by network interface/serial line interface, substantially increasing the property easy to use of viscosity meter.
Accompanying drawing explanation
Fig. 1 is surface structure schematic diagram of the present utility model.
Fig. 2 is hardware system structure block diagram of the present utility model.
In figure: 1-operates monitoring and control unit, 2-LCD touch-screen, 3-rotor, 4-connecting screw rod, 5-base, 6-lifting column, 7-is elevated handwheel, 8-spirit bubble, 9-horizontal adjustment knob, 10-heat-resistant device.
Embodiment
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing the utility model be further described and introduce.
As Fig. 1-Fig. 2, a kind of high accuracy number viscosity meter, comprise operation monitoring and control unit 1, stainless steel cylindrical rotor 3 and base lifting support, described operation monitoring and control unit 1 is fixedly mounted on base lifting support by securing member, the lifting column 6 that described base lifting support comprises base 5 and is vertically fixed on base, lifting column 6 is arranged on base 5 by hold-down nut, described lifting column 6 is provided with lifting handwheel 7 and lifting degree of tightness set screw, by rotating lifting handwheel 7, after moving up and down column 6 to suitable height, lifting degree of tightness set screw is tightened, lifting degree of tightness set screw is to be slightly tightly advisable, prevent operation monitoring and control unit 1 because of deadweight generation fall.Rotor 3 is provided with the highest liquid level marking line, and during use, the height of rotor 3 in tested coating can not exceed this marking line.The outer cover top of described operation monitoring and control unit 1 is also provided with the spirit bubble 8 for leveling, and is provided with the horizontal adjustment knob 9 be combined with spirit bubble 8 in the bottom of base lifting support, ensures that viscosity meter is in the duty of level.
The front portion of described operation monitoring and control unit 1 is provided with LCD touch screen 2, and the outer cover inside of operation monitoring and control unit 1 is provided with stepper motor, torque sensor, speed probe, the multistage subdivision driver of motor and master controller; Described rotor is connected on the output shaft of stepper motor by connecting screw rod, described torque sensor is arranged on the connecting screw rod of rotor, speed probe is arranged on the output shaft of stepper motor, the multistage subdivision driver of motor is electrically connected with stepper motor, and the multistage subdivision driver of described torque sensor, speed probe, motor and LCD touch screen are all electrically connected with master controller; The multistage subdivision driver of described motor comprises FPGA, NJU39610 chip, NJM3771 chip and RAM data-carrier store, and described master controller adopts arm processor.In order to ability and the cost control of the reliability and load color LCD touch-screen that improve hardware system, the S3C2440 of the ARM9 series of Samsung selected by described master controller, and connects FPGA by the bus of ARM system and control other devices.The D/A modular converter that NJU39610 chip is built is connected with FPGA with RAM data-carrier store, NJM3771 chip builds the driver module of stepper motor, its input end connects the output terminal of NJU39610 chip, output terminal is connected with stepper motor, and the subdivided data of stepper motor preserved by the RAM data-carrier store be connected with FPGA.In order to control step motor is in low-speed running and operation that can be stable when running up, under the rotating speed that stepper motor is different, the multistage subdivision driver of motor is adopted respectively stepper motor to be carried out to four hierarchical subdivision of 32,16,8 and 4.Software for Design use the PWM of ARM carry out the rotating speed of control step motor as the frequency reference of read-write, the pwm pulse that ARM exports is to FPGA, FPGA is inner export NJU39610 with this PWM for benchmark write sequential, the rotating speed of accurate control motor, and motor still can be rotated stably in slow-revving situation in the segmentation that the cooperation of FPGA and RAM data-carrier store realizes.The output shaft of stepper motor installs magnetic power rotation speed sensor, to calculate the viscosity of coating under different rotating speeds, and by A/D change-over circuit, data is passed to ARM process.By using multiple micro-stepping control and stable read-write sequence, what stepper motor can be allowed to run is more steady, rotating speed is more even, the operational requirements meeting viscosity meter that all can be stable under the slow-speed of revolution and high rotating speed, thus greatly improves the measuring accuracy of viscosity meter.
Described master controller is provided with temperature sensor probe interface, USB interface, serial line interface, network interface and printer interface, and total interface is arranged on the rear portion of operation monitoring and control unit outer cover.The setting of temperature sensor probe interface can be used for the occasion needing to monitor coating material temperature in real time, to ensure that the viscosity surveyed obtains at a predetermined temperature, the setting of USB interface or serial line interface is convenient to viscosity meter to communicate with the general control system on production line, network interface be arranged so that viscosity meter has the ability of networking on-line measurement, this viscosity meter can be connected printer and print relevant data by the setting of printer interface.
Heat-resistant device 10 is provided with between rotor 3 and torque sensor, like this when the dope viscosity that measuring tempeature is very high, heat-resistant device 10 can prevent heat to be delivered to torque sensor and stepper motor by connecting screw rod heat conduction, thus viscosity meter is worked at relatively high temperatures.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.In the claims, word " comprises " and does not get rid of existence and do not arrange element in the claims.
Claims (5)
1. a high accuracy number viscosity meter, is characterized in that: comprise operation monitoring and control unit, stainless steel cylindrical rotor and base lifting support, described operation monitoring and control unit is fixedly mounted on base lifting support by securing member; The front portion of described operation monitoring and control unit is provided with LCD touch screen, and the outer cover inside of operation monitoring and control unit is provided with stepper motor, torque sensor, speed probe, the multistage subdivision driver of motor and master controller; Described rotor is connected on the output shaft of stepper motor by connecting screw rod, described torque sensor is arranged on the connecting screw rod of rotor, speed probe is arranged on the output shaft of stepper motor, the multistage subdivision driver of motor is electrically connected with stepper motor, and the multistage subdivision driver of described torque sensor, speed probe, motor and LCD touch screen are all electrically connected with master controller; The multistage subdivision driver of described motor comprises FPGA, NJU39610 chip, NJM3771 chip and RAM data-carrier store, and described master controller adopts arm processor.
2. a kind of high accuracy number viscosity meter as claimed in claim 1, it is characterized in that, described master controller is provided with temperature sensor probe interface, USB interface, serial line interface, network interface and printer interface, and total interface is arranged on the rear portion of operation monitoring and control unit outer cover.
3. a kind of high accuracy number viscosity meter as claimed in claim 1, is characterized in that, the outer cover top of described operation monitoring and control unit is also provided with the spirit bubble for leveling, and is provided with horizontal adjustment knob in the bottom of base lifting support.
4. a kind of high accuracy number viscosity meter as claimed in claim 1, is characterized in that, described base lifting support comprises base and is vertically fixed on the lifting column on base, and described lifting column is provided with lifting handwheel and lifting degree of tightness set screw.
5. a kind of high accuracy number viscosity meter as claimed in claim 1, is characterized in that, between rotor and torque sensor, be provided with heat-resistant device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792737.1U CN205067272U (en) | 2015-10-14 | 2015-10-14 | High accuracy digit viscosimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792737.1U CN205067272U (en) | 2015-10-14 | 2015-10-14 | High accuracy digit viscosimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067272U true CN205067272U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520792737.1U Expired - Fee Related CN205067272U (en) | 2015-10-14 | 2015-10-14 | High accuracy digit viscosimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205067272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398538A (en) * | 2017-12-25 | 2018-08-14 | 中国石油天然气股份有限公司 | A kind of evaluation method of compact reservoir slippery water fracturing fluid prop-carrying capacity |
| CN109459344A (en) * | 2018-11-07 | 2019-03-12 | 湖南工程学院 | A kind of coal sample viscosity measurements and fairing |
-
2015
- 2015-10-14 CN CN201520792737.1U patent/CN205067272U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398538A (en) * | 2017-12-25 | 2018-08-14 | 中国石油天然气股份有限公司 | A kind of evaluation method of compact reservoir slippery water fracturing fluid prop-carrying capacity |
| CN109459344A (en) * | 2018-11-07 | 2019-03-12 | 湖南工程学院 | A kind of coal sample viscosity measurements and fairing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190423 Address after: 116318 He Tun Village, Changxing Island Economic Zone, Dalian City, Liaoning Province (formerly He Tun Primary School) Patentee after: China Petroleum Nanxiang New Energy (Dalian) Co., Ltd. Address before: 210036 Dongbao Road, Gulou District, Nanjing City, Jiangsu Province, No. 8, 2508 Patentee before: NANJING RIDONG OPTICAL THIN FILM TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20191014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |