CN102590035A - Viscosity measuring method for viscosity measuring platform - Google Patents
Viscosity measuring method for viscosity measuring platform Download PDFInfo
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- CN102590035A CN102590035A CN2012100183520A CN201210018352A CN102590035A CN 102590035 A CN102590035 A CN 102590035A CN 2012100183520 A CN2012100183520 A CN 2012100183520A CN 201210018352 A CN201210018352 A CN 201210018352A CN 102590035 A CN102590035 A CN 102590035A
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Abstract
The invention discloses a viscosity measuring method for a viscosity measuring platform. The viscosity measurement is controlled by the viscosity measuring platform, so that the viscosity and other derived physical quantities can be measured. By adoption of the automatic dimming technology, the measuring precision is improved and the service life of hardware is greatly prolonged. By adoption of an RS485 master-slave communication mode and a handshaking and polling mechanism, the reliability and safety of communication are improved. By the method, content and format of a hardware memorizer can be detected automatically and can be initialized automatically; data in the viscosity measuring platform is safe and reliable to store, and data disorder can be avoided; and the problem that much data cannot be calculated in short time due to limited number of registers of a singlechip in the intelligent viscosity measuring platform can be solved. By a basic timekeeping mode, the time precision of the corresponding operation of command and response of an upper computer can be improved, so that the precision of viscosity measurement can be improved.
Description
Technical field
The present invention relates to a kind of viscosity measurement method, particularly a kind of viscosity measurement method that is used for the viscosity measurement platform.
Background technology
Intelligence viscosity measurement platform (being called for short IVS300) is the fluid behaviour to Newtonian liquid, adopts the device of Ubbelohde capillary viscosity tube through monolithic processor controlled machinery, optics and the advanced Fundamental Digital Circuit measurements and calculations viscosity and the physical quantity of deriving.With accurate water bath/IVS300 Test Host and viscosity measurement software ViscoBee, form IVS300 viscosity measurement system.Accomplish Ubbelohde viscosimetry fluid to be measured down flow through about the timing of time and the calculating of kinematic viscosity between optical fibre set, and then try to achieve more viscosity parameter of deriving.Chemical industry like polyester PET, polyvinylchloride, polyacrylamide PAM, nylon PA, organosilicon etc.; Online and the Acceptance Test of multiple parameters such as the kinematic viscosity like polysaccharide, matter acid, polylactide and enzymatic activity etc. of biochemical industry, limiting viscosity, viscosity average molecular weigh, the degree of polymerization.The viscosity measurement platform comprises single-chip microcomputer, is connected with storer, LCD, RS485 port, air pump, solenoid valve, power supply, infrared transmission module and program control amplification module on the single-chip microcomputer, and program control amplification module is provided with infrared receiving module.
Summary of the invention
The objective of the invention is to, a kind of viscosity measurement method that is used for the viscosity measurement platform is provided.It can make the control of viscosity measurement platform to viscosity measurement, thereby realizes the measurement of viscosity and other physical quantity of deriving.
Technical scheme of the present invention: a kind of viscosity measurement method that is used for the viscosity measurement platform, be characterized in, may further comprise the steps:
A, to the data in the EEPROM of viscosity measurement platform carry out form and bounds checking (form: as the information of filling in is numeral or letter, and how many figure places that can import is. the border: i.e. boundary, like input is the numeral of what scope); Light intensity signal is adjusted, drawn the adjustment result;
B, the viscosity measurement platform occurring can't initialized situation, and form carries out the EEPROM data and resets (being initialization) and come back to the A step according to the rules;
C, initialization normally then are written into the EEPROM corresponding data to RAM. and adjusting emission light intensity, to obtain being fit to the receiving light power value of scope; As producing the situation that to reach, note the type entry communication state of error condition;
D, under communication state; Regulation according to communications protocol; Viscosity measurement platform and host computer viscosity test software carry out data interaction, host computer (PC) based on viscosity measurement platform current state (comprising: in the self check/standby in/test in/emptying in/states such as fail self-test) carry out different commands;
After E, viscosity measurement platform received orders, corresponding operating was carried out in response based on communications protocol, and replied respective stream of data;
F, viscosity measurement platform and host computer are in communication state always, carry out corresponding actions according to the variation of order and light intensity signal.
The above-mentioned viscosity measurement method that is used for the viscosity measurement platform; Carry out in the said E step as operate mutually that (port: the mouth line level that refers to single-chip microcomputer here) carry out: wherein time reference provides through regularly interrupting, and the port level changes and provides based on current state according to time, current data and port status; Register and EEPROM data variation are handled based on current state.
The above-mentioned viscosity measurement method that is used for the viscosity measurement platform, the basic timing flow process of said corresponding operating comprises:
1. pump rises the stage; What the viscosity measurement platform was received host computer is provided with parameter command and startup command; The corresponding solenoid valve state is set, raises the Ubbelohde liquid in pipe, stop test with ceasing and desisting order and get into the emptying state of forcing so that pump speed to be set; Surpass certain hour (being set to 500 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
2. T1 stage; When liquid raised to the glazing position, the T1 value of pressing parameter setting continued the pump liter, stopped test with ceasing and desisting order and got into the emptying state of forcing; Surpass certain hour (being set to 500 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
3. keeping the stage, stop the pump liter, close corresponding solenoid valve. liquid hovers over the state of T1 stage when finishing; Rise issuable bubble of stage in order to eliminate pump; Generally this option is set to 0, and expression is skipped this stage, stops test with ceasing and desisting order and gets into the emptying state of forcing; Surpass certain hour (being set to 500 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
4. prepare time status; The corresponding solenoid valve state is set; Liquid begins to descend, and picks up counting up to the liquid levels glazing position of flowing through, and stops test with ceasing and desisting order and gets into pressure emptying state; Surpass certain hour (being set to 1000 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
5. stage during tester; Liquid continue to descend, in two the light positions of flowing through up and down, and beginning and finish timing. stop test with ceasing and desisting order and get into pressure emptying state; Surpass certain hour (being set to 1000 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
6. in the T2 stage, liquid continues to descend until getting back to state of nature, so that the beginning of test next time, the time value that can inquire about test in this stage stops test and gets into the emptying state of forcing with ceasing and desisting order;
7. reset mode, this test finishes, and disposes the respective valve state to wait for test next time.
The aforesaid viscosity measurement method that is used for the viscosity measurement platform; The viscosity measurement platform is through timing the data that 10 AD of two-way gather port to be read to the collection of light intensity data; And will obtain data and be kept in the data formation, receive the inspection module of time control that the content of data is carried out computing and judgement by another.
The aforesaid viscosity measurement method that is used for the viscosity measurement platform; Multiple data acquisition method is at interval adopted in the collection of said light intensity data; Promptly according to 1/4/64 millisecond of cycle respectively image data deposit in different queue be used separately as short/in/(for the precision that guarantees to test, need timing is the unit timing with 1 millisecond to long trend, is to be short trend; Because of can't directly being used for judging its flow of liquid that characterizes, so introduce at interval the data of 4 milliseconds and 64 milliseconds through situation) foundation of judgement.
The aforesaid viscosity measurement method that is used for the viscosity measurement platform, the EEPROM in the said A step is divided in order:
1.. encrypted area, the data of one's respective area need be just addressable through cryptographic check, is used to deposit important operational factor/hardware information and password;
2.. the operational factor district, the parameter that is provided with that loads when depositing operation begins the back in program and just is loaded in the corresponding register automatically;
3.. the result data district, the result data of single test, together with test parameter at that time, circulation is preserved after the single test is accomplished, and can when data query, show, and can not revise.
4.. the memory span sign, correct in order to ensure the address computation/access of data, be arranged on the test position of storer maximum address.Read OAAH here and represent that memory operation is normal;
The aforesaid viscosity measurement method that is used for the viscosity measurement platform; Because EEPROM is a low speed access equipment; Adopt the interim calculating turnover of register as said EEPROM, all EEPROM parameters all have corresponding register mirror image, and the data in EEPROM and the register are carried out synchronous refresh.
Compared with prior art, the present invention can realize the measurement of intelligent viscosity measurement platform to viscosity and other physical quantity of deriving.Method of the present invention not only can self-verifying hardware memory content and form, but auto-initiation, and also more safe and reliable to the inner data storage of viscosity measurement platform, can prevent the data entanglement.And can solve the register limited amount of single-chip microcomputer in the intelligent viscosity measurement platform, and can't in short-term, handle the problem of more data computing.Basic timing mode of the present invention can improve the time precision of the corresponding operating of host computer order and response, thereby promotes the degree of accuracy of viscosity measurement.
The present invention can realize the soft numbering of test desk through the read-write of communication command to the storer of test desk, promptly uses communication tool to revise the numbering of test desk.To unnumbered test desk automatic setting numbering then,, realize the identification of called station through the test desk in communication command, stated number; Can confirm as the RS485 half-duplex mode to the communication modes of test desk; Consider that the broadcast type transmission reliability of RS232 mode under hypotactic hardware condition is not high; And RS485 has more advantage as bus mode commonly used in the industry at anti-interference/aspects such as transmission range.
The present invention can detect and adjust light intensity automatically in the scope that is fit to test, informs when then preservation state information is treated the host computer visit as reaching this condition.It is very big to the measuring accuracy influence to measure intensity variations, and it is inaccurate that too strong light intensity causes triggering threshold values (calibrating light intensity), and produces wrong triggered time limit; Too weak light intensity can't obtain the triggered time accurately because of resolution is too little. before each test, light intensity readjusted; Can avoid the influence of the transmitance of viscosity tube cleanliness/color/light path itself; Realize the maximization of measuring accuracy, also promoted the serviceable life of optical fiber greatly.
Description of drawings
Fig. 1 is a method flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described, but not as the foundation to the present invention's restriction.
Embodiment.A kind of viscosity measurement method that is used for the viscosity measurement platform, as shown in Figure 1, may further comprise the steps:
Data in the EEPROM of viscosity measurement platform are carried out form and bounds checking; Light intensity signal is adjusted, drawn the adjustment result; The viscosity measurement platform occurring can't initialized situation, and form then carries out the EEPROM data and resets (being initialization) and come back to the A step according to the rules; Initialization normally then is written into the EEPROM corresponding data to RAM. and adjusting emission light intensity, to obtain being fit to the receiving light power value of scope; As producing the situation that to reach, note the type entry communication state of error condition; Under communication state, according to the regulation of communications protocol, viscosity measurement platform and host computer viscosity test software carry out data interaction, and host computer (PC) is carried out different commands according to viscosity measurement platform current states.After the viscosity measurement platform received orders, corresponding operating was carried out in response according to communications protocol, and replied respective stream of data; Viscosity measurement platform and host computer are in communication state always, carry out corresponding actions according to the variation of order and light intensity signal.
Carry out when operating mutually and carry out according to time, current data and port status: wherein time reference provides through regularly breaking, and the variation of port level provides according to current state; The data variation of register and EEPROM nonvolatile memory is handled according to current state.
The basic timing flow process of corresponding operating comprises:
1. pump rises the stage; What the viscosity measurement platform was received host computer is provided with parameter command and startup command; The corresponding solenoid valve state is set, raises the Ubbelohde liquid in pipe, stop test with ceasing and desisting order and get into the emptying state of forcing so that pump speed to be set; Surpass certain hour (being set to 500 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
2. T1 stage; When liquid raised to the glazing position, the T1 value of pressing parameter setting continued the pump liter, stopped test with ceasing and desisting order and got into the emptying state of forcing; Surpass certain hour (being set to 500 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
3. keep the stage; Stopping the pump liter, close corresponding solenoid valve. liquid hovers over the state of T1 stage when finishing, and rises issuable bubble of stage in order to eliminate pump; Generally this option is set to 0; Expression is skipped this stage. and stop test with ceasing and desisting order and get into the emptying state of forcing, surpass certain hour (being set to 500 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
4. prepare time status; The corresponding solenoid valve state is set; Liquid begins to descend, and picks up counting up to the liquid levels glazing position of flowing through, and stops test with ceasing and desisting order and gets into pressure emptying state; Surpass certain hour (being set to 1000 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
5. stage during tester; Liquid continue to descend, in two the light positions of flowing through up and down, and beginning and finish timing. stop test with ceasing and desisting order and get into pressure emptying state; Surpass certain hour (being set to 1000 seconds usually) and do not get into next stage, get into the emptying state of forcing automatically;
6. in the T2 stage, liquid continues to descend until getting back to state of nature, so that the beginning of test next time, the time value that can inquire about test in this stage stops test and gets into the emptying state of forcing with ceasing and desisting order;
7. reset mode, this test finishes, and disposes the respective valve state to wait for test next time.
The viscosity measurement platform is to read through the data of regularly 10 AD of two-way being gathered port to the collection of light intensity data, and will obtain data and be kept in the data formation, by the inspection module that another time that receives is controlled the content of data is carried out computing and judgement.
Multiple data acquisition method is at interval adopted in the collection of said light intensity data, promptly according to 1/4/64 millisecond of cycle respectively image data deposit in different queue be used separately as short/in/foundation that long trend is judged.The register limited amount of single-chip microcomputer in the intelligent viscosity measurement platform can be solved, and the problem of more data computing can't be in short-term, handled.
EEPROM is a nonvolatile memory, and as the important information carrier in this method, in parameter and result were stored in, test desk software promptly was to realize its content is realized that through communication and upper computer software intercommunication realizes measuring.EEPROM is divided in order in the intelligence viscosity measurement platform:
1.. encrypted area, the data of one's respective area need be just addressable through cryptographic check, is used to deposit important operational factor/hardware information and password;
2.. the operational factor district, the parameter that is provided with that loads when depositing operation begins the back in program and just is loaded in the corresponding register automatically;
3.. the result data district, the result data of single test, together with test parameter at that time, circulation is preserved after the single test is accomplished, and can when data query, show, and can not revise.
4.. the memory span sign, correct in order to ensure the address computation/access of data, be arranged on the test position of storer maximum address, use the different capabilities storer to adapt to;
Because EEPROM is a low speed access equipment, adopt the interim calculating turnover of register as said EEPROM, all EEPROM parameters all have corresponding register mirror image, and the data in EEPROM and the register are carried out synchronous refresh.
Claims (7)
1. a viscosity measurement method that is used for the viscosity measurement platform is characterized in that, may further comprise the steps:
A, the data in the EEPROM of viscosity measurement platform are carried out form and bounds checking; Light intensity signal is adjusted, drawn the adjustment result;
B, the viscosity measurement platform occurring can't initialized situation, then carries out the EEPROM data and resets and come back to the A step;
C, initialization normally then are written into the EEPROM corresponding data to RAM. and adjusting emission light intensity, to obtain being fit to the receiving light power value of scope; As producing the situation that to reach, note the type entry communication state of error condition;
D, under communication state, according to the regulation of communications protocol, viscosity measurement platform and host computer viscosity test software carry out data interaction, host computer is carried out different commands according to viscosity measurement platform current states;
After E, viscosity measurement platform received orders, corresponding operating was carried out in response based on communications protocol, and replied respective stream of data;
F, viscosity measurement platform and host computer are in communication state always, carry out corresponding actions according to the variation of order and light intensity signal.
2. the viscosity measurement method that is used for the viscosity measurement platform according to claim 1; It is characterized in that; Carry out to operate mutually according to time, current data and port status in the said E step and carry out: wherein time reference provides through regularly breaking, and the variation of port level provides according to current state; The data variation of register and EEPROM is handled according to current state.
3. the viscosity measurement method that is used for the viscosity measurement platform according to claim 1 and 2 is characterized in that, the basic timing flow process of said corresponding operating comprises:
1. pump rises the stage; What the viscosity measurement platform was received host computer is provided with parameter command and startup command; The corresponding solenoid valve state is set, raises the Ubbelohde liquid in pipe, stop test with ceasing and desisting order and get into the emptying state of forcing so that pump speed to be set; Surpass certain hour and do not get into next stage, get into the emptying state of forcing automatically;
2. in the T1 stage, when liquid raised to the glazing position, the T1 value of pressing parameter setting continued the pump liter, stopped test with ceasing and desisting order and got into the emptying state of forcing, and surpassed certain hour and did not get into next stage, got into the emptying state of forcing automatically;
3. keep the stage; Stop the pump liter, close corresponding solenoid valve, liquid hovers over the state of T1 stage when finishing; Rise issuable bubble of stage in order to eliminate pump; Stop test with ceasing and desisting order and get into the emptying state of forcing, surpass certain hour and do not get into next stage, get into the emptying state of forcing automatically;
4. prepare time status, the corresponding solenoid valve state is set, liquid begins to descend; Pick up counting up to the liquid levels glazing position of flowing through; Stop test with ceasing and desisting order and get into the emptying state of forcing, surpass certain hour and do not get into next stage, get into the emptying state of forcing automatically;
5. in stage during tester, liquid continues to descend, and in two the light positions of flowing through up and down, beginning and finish timing stops test and gets into the emptying state of forcing with ceasing and desisting order, surpass certain hour and do not get into next stage, gets into pressure emptying state automatically;
6. in the T2 stage, liquid continues to descend until getting back to state of nature, so that the beginning of test next time, the time value that can inquire about test in this stage stops test and gets into the emptying state of forcing with ceasing and desisting order;
7. reset mode, this test finishes, and disposes the respective valve state to wait for test next time.
4. the viscosity measurement method that is used for the viscosity measurement platform according to claim 1; It is characterized in that: the viscosity measurement platform is through timing the data that 10 AD of two-way gather port to be read to the collection of light intensity data; And will obtain data and be kept in the data formation, receive the inspection module of time control that the content of data is carried out computing and judgement by another.
5. the viscosity measurement method that is used for the viscosity measurement platform according to claim 4; It is characterized in that: multiple data acquisition method is at interval adopted in the collection of said light intensity data, promptly according to 1/4/64 millisecond of cycle respectively image data deposit in different queue be used separately as short/in/foundation that long trend is judged.
6. the viscosity measurement method that is used for the viscosity measurement platform according to claim 1 is characterized in that, the EEPROM in the said A step is divided in order:
1.. encrypted area, the data of one's respective area need be just addressable through cryptographic check, is used to deposit important operational factor/hardware information and password;
2.. the operational factor district, the parameter that is provided with that loads when depositing operation begins the back in program and just is loaded in the corresponding register automatically;
3.. the result data district, the result data of single test, together with test parameter at that time, circulation is preserved after the single test is accomplished, and can when data query, show, and can not revise.
4.. the memory span sign, correct in order to ensure the address computation/access of data, be arranged on the test position of storer maximum address.
7. the viscosity measurement method that is used for the viscosity measurement platform according to claim 6; It is characterized in that: adopt the interim calculating turnover of register as said EEPROM; All EEPROM parameters all have corresponding register mirror image, and the data in EEPROM and the register are carried out synchronous refresh.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097050A (en) * | 2015-08-24 | 2015-11-25 | 宁波三星智能电气有限公司 | Memory service life test algorithm |
| CN106501129A (en) * | 2016-10-14 | 2017-03-15 | 杭州卓祥科技有限公司 | A kind of Viscosity Measurement Methods for capillary tube method viscosity measurement unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713328A (en) * | 1971-02-24 | 1973-01-30 | Idemitsu Kosan Co | Automatic measurement of viscosity |
| US5257529A (en) * | 1990-12-28 | 1993-11-02 | Nissho Corporation | Method and device for measurement of viscosity of liquids |
| CN1501061A (en) * | 2002-11-15 | 2004-06-02 | 中国科学院力学研究所 | Trace amount liquid viscosity measuring method and apparatus |
| US20060065044A1 (en) * | 2004-09-28 | 2006-03-30 | Phasepsl Instrument Inc. | Viscometer |
| CN201096700Y (en) * | 2007-08-30 | 2008-08-06 | 中国人民解放军海军后勤技术装备研究所 | Motion viscidity testing system |
| CN101793661A (en) * | 2010-02-25 | 2010-08-04 | 杭州中旺科技有限公司 | Viscosity measurement instrument |
-
2012
- 2012-01-20 CN CN201210018352.0A patent/CN102590035B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3713328A (en) * | 1971-02-24 | 1973-01-30 | Idemitsu Kosan Co | Automatic measurement of viscosity |
| US5257529A (en) * | 1990-12-28 | 1993-11-02 | Nissho Corporation | Method and device for measurement of viscosity of liquids |
| CN1501061A (en) * | 2002-11-15 | 2004-06-02 | 中国科学院力学研究所 | Trace amount liquid viscosity measuring method and apparatus |
| US20060065044A1 (en) * | 2004-09-28 | 2006-03-30 | Phasepsl Instrument Inc. | Viscometer |
| CN201096700Y (en) * | 2007-08-30 | 2008-08-06 | 中国人民解放军海军后勤技术装备研究所 | Motion viscidity testing system |
| CN101793661A (en) * | 2010-02-25 | 2010-08-04 | 杭州中旺科技有限公司 | Viscosity measurement instrument |
Non-Patent Citations (2)
| Title |
|---|
| 马刚等: "粘度状态表征测试仪的设计", 《物理测试》 * |
| 高桂丽等: "液体粘度测定方法及装置研究现状与发展趋势简述", 《化工自动化及仪表》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097050A (en) * | 2015-08-24 | 2015-11-25 | 宁波三星智能电气有限公司 | Memory service life test algorithm |
| CN105097050B (en) * | 2015-08-24 | 2018-07-06 | 宁波三星智能电气有限公司 | A kind of storage life test method |
| CN106501129A (en) * | 2016-10-14 | 2017-03-15 | 杭州卓祥科技有限公司 | A kind of Viscosity Measurement Methods for capillary tube method viscosity measurement unit |
| CN106501129B (en) * | 2016-10-14 | 2019-08-23 | 杭州卓祥科技有限公司 | A kind of Viscosity Measurement Methods for capillary tube method viscosity measurement unit |
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