CN208283219U - A kind of device that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) - Google Patents
A kind of device that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) Download PDFInfo
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- CN208283219U CN208283219U CN201820971957.4U CN201820971957U CN208283219U CN 208283219 U CN208283219 U CN 208283219U CN 201820971957 U CN201820971957 U CN 201820971957U CN 208283219 U CN208283219 U CN 208283219U
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Abstract
The utility model relates to the devices that a kind of power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI).The product of kinematic viscosity measurement at present generallys use water-bath temperature control, and viscosity is calculated as fixed coefficient, is not able to satisfy larger range measurement, bigger error, and most products cannot measure oil viscosity index.The utility model utilizes lambert-beer law, judge that it's the graticule moment pasts oil sample by the transmitance difference of the viscosimeter and empty viscosimeter after rinse of filling oil product, by transmitance before contrastive test and in measurement process, the oily kinematic viscosity of power equipment and viscosity index (VI) high-precision, all automatic measurement are realized.Meanwhile being bathed using Metal constant temperature and replacing traditional water bath, oil bath temperature bath, operation and maintenance are more convenient, and temperature control is more accurate；Quantity tube and pusher are set to realize autonomous sample introduction；Compressor pressurization is set and promotes filling oil sample, the generation of bubble can be effectively reduced；It designs Dewar bottle oil extraction and anti-suck baffle, oil extraction is more thorough.
Description
Technical field
The utility model relates to the devices that a kind of power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI), are used for
Transformer oil for power equipment, steam turbine oil, hydraulic oil, fire resistant oil and gear oil kinematic viscosity and viscosity index (VI) it is automatic, quasi-
Really measurement.
Background technique
" the national Power Industry Statistics flash report catalog data in 2017 " announced according to middle Electricity Federation, cut-off year end 2017 whole nation
1,777,030,000 kilowatts of capacity of installed generator, increase by 7.6% than the end of last year.Wherein, 1,106,040,000 kilowatts of thermoelectricity installed capacity increase
4.3%；341,190,000 kilowatts of hydropower installed capacity, increase by 2.7%；35,820,000 kilowatts of nuclear power installed capacity, increase by 6.5%.Power plant
Safe operation has significant impact for economic construction, the safety in production and stabilization of direct relation power plant whether unit is reliable for operation
Power supply, power equipment oil is the blood inside power plant's capital equipment, provides insulation, lubrication, heat dissipation, tune for equipment safety operation
The important roles such as fast, wear-resistant.
Viscosity is when oil product flowing, because of the intermolecular friction of oil product, and the characterization of the internal drag generated.Usually by survey
The difference for determining method is classified as dynamic viscosity, kinematic viscosity and three kinds of specific viscosity.Generally make in domestic oil product index at present
With kinematic viscosity, viscosity is a very important safety economy technical indicator of lubricating oil.The viscosity of oil is to axle journal and bearing
Face establishes oil film and determines that bearing efficiency and stability characteristic (quality) are all very important.Viscosity determines the fluid ability and oil branch of oil
Carry the ability of lotus and transfer of heat.
Kinematic viscosity usually uses Ping Shi viscosity meter, it is measurement under a certain steady temperature, the oil product of certain volume
Under the effect of gravity, the time for the capillary glass tube that one is demarcated in advance is flowed through.The constant of capillary and the product of flowing time,
The as viscosity of oil product at this temperature, with symbol νtIt indicates, unit mm2/s。
Viscosity index (VI) is to characterize oil viscosity to vary with temperature one of feature about quantitative values.It is by measuring certain respectively
One 40 DEG C of oil product and kinematic viscosity at 100 DEG C, by a relative value being calculated.Viscosity index (VI) numerical value is bigger, indicates
Oil viscosity varies with temperature smaller, i.e., viscous warm nature is better.The viscous warm nature of oil product has important influence to greasy property, because
Lubricating oil is in use, it is desirable that the variation of its viscosity with temperature is the smaller the better.I.e. at high temperature, satisfaction lubrication need are able to maintain
The MV minium viscosity wanted；In low temperature, viscosity also will not be excessively high, in order to avoid increase the energy consumption of equipment.
Suitable viscosity and viscosity index (VI), be oil product obtain good lubrication effect in the range of equipment operating temperature can
By guaranteeing.Lubricating oil used in steam turbine, generating set should have relatively low nominal viscosity value, it can reduce rubbing for bearing
Power is wiped, and the power loss of bearing can be reduced.In addition, the size of its viscosity is not only considered when selecting steam turbine oil, but also
The oil product that also viscosity index (VI) should be selected as far as possible high under the same conditions.Guaranteeing lubricating oil, when shaft runs at high speed, can be
Quite abundant oil film is provided between axle journal and bearing, when axle journal revolving speed is low, should also there is film strength appropriate, maximally to subtract
Small friction, preferably protection bearing.In power plant, the unit of general 3000r/min or more selects No. 32 steam turbine oils,
3000r/min and unit below use No. 46 steam turbine oils.The choosing of the specific viscosity grade trade mark of steam turbine-generating set
It selects, lubricating system prestart, the peak viscosity of oil pump permission and minimum oil temperature etc. should suggest in accordance with manufactory.Currently, China is big
The hydraulic regulation control system of unit generally uses two kinds of working methods of mechanical-hydraulic and electro-hydraulic adjusting (EHC), and by fire resistant oil
As hydraulic control system, feed pump, small turbine, hp by-pass system working media, generally use 46 both at home and abroad
Number trimly-phosphate ester fire-resistant hydraulic oil.
What the home equipment of kinematic viscosity measurement at present generallyd use is water-bath temperature control, artificial selection Ping Shi viscosimeter, equipment
Auxiliary timing is finally obtained a result, and such as application No. is 201720175375.0 Chinese patents；There is equipment component permanent using oil bath
Warm automatic cleaning, but need artificial oiling and viscosity is calculated as fixed coefficient, it is not able to satisfy larger range measurement, bigger error；And absolutely
Most products cannot measure oil viscosity index, so develop a kind of oily kinematic viscosity of power equipment and viscosity index (VI) is complete
The device and method automatically determined is very important.
Utility model content
It is full-automatic, high-precision with oily kinematic viscosity and viscosity index (VI) that purpose of the utility model is to solve power equipments
The problem of degree, versatility measurement, and a kind of reasonable in design, oily kinematic viscosity of the reliable power equipment of measuring principle is provided
And the device that viscosity index (VI) automatically measures.
The technical scheme in the invention for solving the above technical problem is: the oily kinematic viscosity of a kind of power equipment and viscous
The device that automatically measures of degree index, including device noumenon, which is characterized in that it further include electric pump pumping unit, micro computer control screen,
Quantity tube and propulsion device, viscosimeter, insulating wool and associated conduit solenoid valve system, compression bottle and propulsion device, vacuum pump, very
Empty bottle, oil extraction general export, Metal constant temperature bath, monochromatic light-emitting tube, photoelectricity pipe receivers and signal translating system, injection port；Institute
Electric pump pumping unit, micro computer control screen, vacuum pump, Dewar bottle, oil extraction general export and injection port is stated to be arranged in device noumenon；
The Metal constant temperature bath is arranged in device noumenon, and the insulating wool and the setting of associated conduit solenoid valve system are bathed in Metal constant temperature
Outside, the compression bottle and propulsion device are adjacently positioned with Metal constant temperature bath；The viscosimeter is located in Metal constant temperature bath, institute
It states quantity tube and propulsion device to be adjacently positioned with viscosimeter, the side of Metal constant temperature bath, institute is arranged in the monochrome light-emitting tube
It states photoelectricity pipe receivers and the other side of Metal constant temperature bath is arranged in signal translating system.
Furthermore, the viscosity is calculated as Ping Shi viscosimeter, and the viscosimeter is provided with 4, the viscosity of 4 viscosimeters
Constant is all different.Using the viscosimeter of four different viscosities constants, the oily detection demand of whole power equipments can be covered.
Furthermore, the quantity tube and propulsion device are provided with 4 sets, each described viscosimeter is adjacent to be disposed with
A set of quantity tube and propulsion device.
Furthermore, the coverage area of the Metal constant temperature bath is the upper of bottom to the top expansion of viscosimeter
Side.
It furthermore, include insulating wool, pipeline and valve, institute in the insulating wool and associated conduit solenoid valve system
Insulating wool is stated to be filled between device noumenon and Metal constant temperature bath；The injection port and quantity tube and propulsion device are connected by pipeline
It connects, the quantity tube and propulsion device are connect with oil extraction general export and viscosimeter respectively by pipeline, and the viscosimeter passes through
Pipeline is connect with vacuum pump and compression bottle and propulsion device respectively.
Furthermore, the electric pump pumping unit is arranged at injection port, the electric pump pumping unit and quantity tube and propulsion
Valve is provided between device, between the quantity tube and propulsion device and oil extraction general export and quantity tube and propulsion device
It is connect with viscosimeter and is also equipped with valve；Between the viscosimeter and vacuum pump and viscosimeter and compression bottle and propulsion device
It is connected with valve.
A kind of measurement side for the device that power equipment as described above is automatically measured with oily kinematic viscosity and viscosity index (VI)
Method, which is characterized in that the measuring method is as follows: utilizing lambert-beer law, and monochromatic light-emitting tube wears stable monochromatic light
The viscosimeter for filling oil product thoroughly, since light transmittance is different after oil product rinse for the viscosimeter full of oil product, according to measurement full of oil
The light transmittance values of the viscosimeter of product judge to test the above position of upper graticule whether preceding oil product reaches viscosimeter；Before measurement test
The light transmittance values of the position of graticule up and down of viscosimeter after oil product rinse, upper graticule light transmittance reaches light transmittance before measurement when tested
98% when, the start recording time；Test at present graticule light transmittance reach measure before light transmittance 98% when, stop recording the time；
With this time according to the viscosity constant of selected viscosimeter, formula built in software calculates this automatically in micro computer control screen
Kinematic viscosity value measures 40 DEG C and 100 DEG C of kinematic viscosity value, according to the criterion calculation being built in software through the above way
Formula calculates viscosity index value automatically；Meanwhile more accurate temperature control is bathed using Metal constant temperature, using pressurization and vacuum mode
It realizes the cleaning of automatic filling oil product and oil extraction, changes oil product flow direction by multiple solenoid valves with this and realize that selection is different viscous
Degree meter and pressure control, pressurization filling oil product and volumetric bottle are compressed using quantity tube machinery push-pull fashion sample introduction, using Measuring glass
Vacuumize oil extraction.It is also possible to use standard oil carries out the viscosity constant calibration of viscosimeter.
It furthermore, include: 0.1cm photoelectric tube light chip in the photoelectricity pipe receivers and signal translating system
Light source receiver and chromacoder.
Furthermore, in measuring method, oil sample is filled using special glass Measuring glass compressed air, there is defoaming function
Energy；In such a way that vacuum partition volumetric bottle vacuumizes progress oil extraction, the progress oil inlet of electric pump pumping unit.
Power equipment is the accurate of temperature control with the key of oily kinematic viscosity and viscosity index (VI) measurement.Temperature precise control is
Kinematic viscosity measures vital link, can solve this problem, temperature-controlled precision using Metal constant temperature bath apparatus
Reach 0.01 DEG C, is above standard ± 0.1 DEG C of requirement.Metal constant temperature bath use micro computer control, using raffinal material as
Heat-conducting medium has that exquisite appearance, easy to use, precision is high, the spies such as small in size to replace traditional water-bath or oil bath device
Point.
Constant-temperature metal bath coverage area is bottom to the top of topmost expansion of viscosimeter, is expanded on viscosimeter top
Position of center line, upper graticule and the subscript line position and capillary lower position for opening up part are provided with monochromatic light emitting aperture,
Positive opposite side is provided with the small chip of photoelectric tube, and after oil sample is filled into viscosimeter simultaneously constant temperature, monochromatic light-emitting tube is opened, photoelectricity
Pipe receivers start to receive signal, record the transmitance intensity of aforementioned four position, and oil sample is pressed into top expansion, and top is expanded
When transmitance reaches transmitance intensity 98% at capillary at exhibition segment centerline, stopping is pressed into oil sample, and oil starts to flow downward,
When transmitance reaches constant temperature at upper graticule when the position transmitance 98%, timer starts timing, and transmitance reaches at graticule instantly
When to constant temperature when the position transmitance 98%, timer stops timing, carries out judging automatically the principle that oil sample crosses graticule accordingly.This
Utility model utilizes lambert-beer law, and principle is reliable, accuracy of judgement, there is no carry out power equipment use using the method at present
Oily kinematic viscosity and the relevant utility model and report of viscosity index (VI) measurement.
Design has four Ping Shi viscosimeters, and capillary inner diameter is respectively 0.8mm, 1.2mm, 1.2mm, 2.0mm, viscosity constant
For 0.05637mm2/s2, 0.1581mm2/s2, 0.2235mm2/s2, 1.5835mm2/s2, meet power equipment with related each
Trade mark oil product detects demand, guarantees measurement result accuracy.Calculation formula built in kinematic viscosity software system presses GB 265-
The programming of 1988 " oil product kinematic viscosity measuring method and dynamic viscosity calculating method " standard requirements, viscosity index (VI) test software system
Built-in formula of uniting is programmed by GB/T 1995-1998 " oil product viscosity index (VI) calculating method " standard requirements.
All pipelines are all made of polyfluortetraethylene pipe in device noumenon, and connection type is all made of Hard link, it is ensured that it can
Required pressure is born, injection port inner end connects electric pump device, and major function is that extraction oil sample or detergent enter system, then
It is four that pipeline one, which divides, and each pipeline is equipped with solenoid valve, and control piper flow is cut-off, and the corresponding quantity tube of each piping connection and is pushed away
Into device, it is made of electric plating propulsion and 10 milliliters of quantity tubes；Device noumenon top has injection port, side to have outlet, out sample
Mouthful place's connection tee tube, viscosimeter pipe shaft is connect at one and equipped with solenoid valve, the oil extraction general export of connection device ontology and is equipped at one
Solenoid valve；Viscometer tube top is shut with nut cap, and branch pipe connects tee tube, and compression bottle is connect at one and front is equipped with solenoid valve, pressure
Contracting bottle is made of electric plating propulsion, 500 milliliters of glass tubes (front end is gas outlet), connects vacuum plant at one and front and back end is all provided with
There is solenoid valve, vacuum plant is by vacuum pump, anti-suck baffle, Dewar bottle (inlet tube is inserted to bottom of bottle, and bottom is equipped with export pipeline)
Composition, oil outlet connect total oil-drain pipe.Metal constant temperature bath passes through heat insulation foam with pipeline and other component and is isolated.
Device noumenon is equipped with temperature sensor in each viscosimeter outer wall upper, middle and lower three parts, monitors temperature conditions in real time, respectively
Solenoid valve control program, connects light device signal, temperature sensor signal and Metal constant temperature bath etc. it is integrated be transmitted to screen computer end into
Row analysis and regulation, micro computer use Android system, and are composed of kinematic viscosity and calculate program and viscosity index (VI) calculation procedure, control
Interface is equipped with calibration correction system function item, can carry out calibration correction to the viscosity constant of each viscosimeter with mark oil, improve equipment
Precision；Selection function item is tested equipped with viscosity index (VI) and kinematic viscosity；It, can basis equipped with each viscosimeter channel selecting function items
The tested oil sample trade mark reasonably selects the channel met and is checked；Equipped with management cleaning and detection function item.
Cleaning model is selected, all solenoid valves are open circuit in pipeline, cleaning solution are placed at injection port, device noumenon is certainly
Dynamic sucking cleaning solution, is rinsed pipeline and viscosimeter, and time 1min, electric pump pumping unit terminates to extract, and removes cleaning solution,
Vacuum pump outlet solenoid valve is closed, and vacuum pump is opened, and pipeline and viscosimeter cleaning liquid inside is sucked in Dewar bottle, vacuum after 2min
Pump stops working, and outlet solenoid valve is opened, cleaning solution discharge.
Detection pattern is selected, into kinematic viscosity and viscosity index (VI) detection option, kinematic viscosity mode is selected, into viscosity
Meter and temperature options, choosing corresponding viscosimeter and setting temperature is 40.0 DEG C, can click beginning key, start to measure, will
Tested oil sample places injection port, and equipment extracts oil sample automatically, progress system rinse first, step as cleaning model but only needle
The viscosimeter pipeline of selection is carried out, after carry out quantity tube filling and rinse, then stop sample introduction, quantitative tube propeller work
Make, oil sample is sent into viscosimeter, constant temperature 20min, monochromatic light-emitting tube and photoelectricity pipe receivers are opened, electromagnetism before vacuum plant
Valve is closed, and compression bottle early gate is opened, and propulsion device starting, oil sample starts to slowly enter viscosimeter top expansion, in the middle
Heart line connects light device light transmittance and reaches requirement, and all solenoid valves are opened, and the propeller of compression bottle restores origin-location, and oil sample starts
From top, expansion flows downward, and when the light transmittance of upper graticule photoelectricity pipe receivers reaches requirement, starts timing, instantly graticule
The light transmittance of photoelectricity pipe receivers reaches requirement, terminates timing, and by above-mentioned steps, duplicate measurements four times, measurement terminates, automatic to calculate
Kinematic viscosity value out.
Detection pattern is selected, into kinematic viscosity and viscosity index (VI) detection option, viscosity index (VI) mode is selected, into viscosity
Options is counted, corresponding viscosimeter is chosen, beginning key can be clicked, step and kinematic viscosity detection are consistent, and index increases by 100 DEG C
Kinematic viscosity testing process, after system can be obtained according to the kinematic viscosity value at 40 DEG C, 100 DEG C by built-in calculation procedure
Viscosity index (VI) result.
It is brilliant to solenoid valve, metal bath thermostat, mono-chromatic lamp, photoelectric tube using computer control system to test overall process
Piece, propeller, electric pump, vacuum pump, display screen, function key etc. carry out automatically controlling.Detection process realizes automatic cleaning, automatically into
Sample and automatic detection.
The utility model compared with prior art, has the following advantages that and effect: 1, developing and completely new pass through light transmittance
To judge that oily flow regime carries out the device and method for automatically determining oil product kinematic viscosity and viscosity index (VI).2, in same equipment
The upper viscosimeter selection for realizing four kinds of different viscosities ranges, can cover the oily testing requirements of whole power equipments, measure more accurate.
3, for the first time use metal bath heated constant temperature technology, substitute traditional water-bath, oil bath temperature bath, have it is easy to operate, temperature control is accurate,
The advantages that small in size.4, using quantity tube sampling device, sample introduction is more reasonable, is precisely controlled sample volume each time, realizes that sample introduction is complete
Automatically.5, oil sample is filled using compression bottle supercharging mode for the first time, achievees the purpose that defoaming.6, using vacuum draining mode, cleaning
Liquid is more thorough in viscosimeter, and is equipped with anti-suck partition.
Detailed description of the invention
Fig. 1 is the device that the power equipment of the utility model embodiment is automatically measured with oily kinematic viscosity and viscosity index (VI)
Pipeline arrangement schematic diagram.
Fig. 2 is the device that the power equipment of the utility model embodiment is automatically measured with oily kinematic viscosity and viscosity index (VI)
Structural schematic diagram.
Fig. 3 is the Ping Shi viscosimeter of the utility model embodiment and the position relationship structural diagram of Metal constant temperature bath.
In Fig. 1: V-1 ~ V-20 is solenoid valve；E-1 ~ E-4 is quantity tube and its corresponding propulsion device；N1 ~ N4 is Ping Shi
Viscosimeter.
In Fig. 2: electric pump pumping unit 1；Micro computer control screen 2；Quantity tube and propulsion device 3；Viscosimeter 4；Insulating wool and phase
Close pipe electromagnetic valve system 5；Compression bottle and propulsion device 6；Vacuum pump 7；Dewar bottle 8；Oil extraction general export 9；Metal constant temperature bath 10；
Monochromatic light-emitting tube 11；Photoelectricity pipe receivers and signal translating system 12；Injection port 13.
In Fig. 3: capillary 41, top expansion 42, lower part expansion 43, center line 44, bottom expansion 45,
Pipe shaft 46, branch pipe 47.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1 to Fig. 3, a kind of device that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI), including
Device noumenon, further includes electric pump pumping unit 1, micro computer control screen 2, quantity tube and propulsion device 3, viscosimeter 4, insulating wool and phase
Pass pipe electromagnetic valve system 5, compression bottle and propulsion device 6, vacuum pump 7, Dewar bottle 8, oil extraction general export, Metal constant temperature bath 10,
Monochromatic light-emitting tube 11, photoelectricity pipe receivers and signal translating system 12, injection port 13；Electric pump pumping unit 1, micro computer control screen
2, vacuum pump 7, Dewar bottle 8, oil extraction general export and injection port 13 are arranged in device noumenon；10 setting of Metal constant temperature bath is filling
It sets in ontology, the outside that Metal constant temperature bathes 10, compression bottle and propulsion device is arranged in insulating wool and associated conduit solenoid valve system 5
6 are adjacently positioned with Metal constant temperature bath 10；Viscosimeter 4 is located in Metal constant temperature bath 10, quantity tube and propulsion device 3 and viscosimeter 4
It is adjacently positioned, the side of Metal constant temperature bath 10, photoelectricity pipe receivers and signal translating system 12 is arranged in monochromatic light-emitting tube 11
The other side of Metal constant temperature bath 10 is set.
Viscosimeter 4 is provided with 4, and the viscosity constant of 4 viscosimeters 4 is all different.Quantity tube and propulsion device 3 are provided with
4 sets, each viscosimeter 4 is adjacent to be disposed with a set of quantity tube and propulsion device 3.The coverage area of Metal constant temperature bath 10 is viscous
The top of bottom to the top expansion of degree meter 4.
It include insulating wool, pipeline and valve in insulating wool and associated conduit solenoid valve system 5, insulating wool is filled in device
Between ontology and Metal constant temperature bath 10；Injection port 13 and quantity tube and propulsion device 3 pass through piping connection, quantity tube and propulsion dress
Set 3 and connect with oil extraction general export and viscosimeter 4 respectively by pipeline, viscosimeter 4 by pipeline respectively with vacuum pump 7 and press
Contracting bottle and propulsion device 6 connect.
Electric pump pumping unit 1 is arranged at injection port 13, is provided between electric pump pumping unit 1 and quantity tube and propulsion device 3
Valve, between quantity tube and propulsion device 3 and oil extraction general export and quantity tube and propulsion device 3 connect with viscosimeter 4 and also set
It is equipped with valve；Between viscosimeter 4 and vacuum pump 7 and viscosimeter 4 and compression bottle and propulsion device 6 are connected with valve.
Above-mentioned power equipment is as follows with the measuring method for the device that oily kinematic viscosity and viscosity index (VI) automatically measure:
1, kinematic viscosity detects: opening equipment power supply, into operation interface, selects detection pattern, there is kinematic viscosity at interface
And viscosity index (VI) detection option, kinematic viscosity mode is selected, it is corresponding flat according to sample selection into viscosimeter 4 and temperature option
Family name's viscosimeter N1 and setting temperature are 40.0 DEG C, click and determine, into detection interface, click and start key, Metal constant temperature bath 10
It starts to warm up, tested oil sample is placed into injection port 13, electric pump pumping unit 1 starts, and extracts oil sample, solenoid valve V-1, solenoid valve automatically
V-5, solenoid valve V-13, solenoid valve V-19 and solenoid valve V-20 are opened, other solenoid valves are turned off, and carry out equipment pipeline and viscosity
The rinse of meter 4, after solenoid valve V-5 close, solenoid valve V-6 is opened, carry out quantity tube filling and rinse, after electric pump take out
Propeller starting in the closing of oil machine 1, solenoid valve V-5 unlatching, solenoid valve V-6 closing, quantity tube and propulsion device E-1, by oil sample
It is sent into Ping Shi viscosimeter N1, constant temperature 20min, monochromatic light-emitting tube 11 and photoelectricity pipe receivers and signal translating system 12 are opened
It opens, system automatically records each point transmitance, and solenoid valve V-19 is closed before vacuum pump 7, and solenoid valve V-17 is opened before compression bottle, compression
Propeller starting, oil sample start to slowly enter the top expansion 42 of Ping Shi viscosimeter N1 in bottle and propulsion device 6, work as center
When connecing light device light transmittance at line 44 and reaching 41 bottom transmitance 98% of capillary, all solenoid valves are opened, and compression bottle and promote dress
The propeller set in 6 restores origin-location, and oil sample starts to flow downward from top expansion 42, when graticule a connects light device light transmission
Transmitance 98% herein when rate reaches beginning, starts timing, when graticule b connects when light device light transmittance reaches beginning transmitance herein
98%, terminate timing and repeats four times, measurement terminates, and system calculates kinematic viscosity value automatically by above-mentioned steps.
2, viscosity index (VI) detects: opening equipment power supply, into operation interface, selects detection pattern, there is kinematic viscosity at interface
And viscosity index (VI) detection option, viscosity index (VI) mode is selected, (for viscosity index (VI) without temperature option, system is silent into 4 option of viscosimeter
Think that 40 DEG C of+100 DEG C of two kinds of thermal modules are carried out), corresponding Ping Shi viscosimeter N1 is selected according to sample, clicks and determines, into inspection
Interface to be surveyed, clicks and starts key, Metal constant temperature bath 10 starts to warm up, and start kinematic viscosity under 40 DEG C of temperature constant states and tests, step
It is detected with above-mentioned kinematic viscosity, after detection, Metal constant temperature bath 10 is warming up to 100 DEG C, and after constant temperature 20min, setting in motion is viscous
Degree test, step are detected with above-mentioned kinematic viscosity, and system differentiates according to 40 DEG C, 100 DEG C kinematic viscosity values of measurement after detection
Automatically applying formula calculates viscosity index (VI).
3, cleaning model: opening equipment power supply, into operation interface, selects cleaning model, all solenoid valves are equal in pipeline
To open, place cleaning solution (petroleum ether) at injection port 13, electric pump pumping unit 1 starts, be automatically drawn into cleaning solution, to pipeline and
Viscosimeter 4 is rinsed, time 1min, and electric pump pumping unit 1 is shut down, and removes cleaning solution, and 7 outlet solenoid valve V-20 of vacuum pump is closed
It closes, vacuum pump 7 is opened, and by pipeline and 4 cleaning liquid inside of viscosimeter sucking Dewar bottle 8, vacuum pump 7 stops working after 2min, out
Mouth solenoid valve V-20 is opened, and cleaning solution is flowed out from oil extraction general export 9.
Although the utility model is disclosed as above with embodiment, its protection scope being not intended to limit the utility model,
Any technical staff for being familiar with this technology, it is made in the conception and scope for not departing from the utility model to change and retouch,
It all should belong to the protection range of the utility model.
Claims (6)
1. the device that a kind of power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI), including device noumenon, feature
It is, further includes electric pump pumping unit, micro computer control screen, quantity tube and propulsion device, viscosimeter, insulating wool and associated conduit are electric
Magnet valve system, compression bottle and propulsion device, vacuum pump, Dewar bottle, oil extraction general export, Metal constant temperature bath, monochromatic light-emitting tube, light
Fulgurite receiver and signal translating system, injection port；The electric pump pumping unit, micro computer control screen, vacuum pump, Dewar bottle, row
Oily general export and injection port are arranged in device noumenon；The Metal constant temperature bath is arranged in device noumenon, the insulating wool
And associated conduit solenoid valve system is arranged in the outside of Metal constant temperature bath, the compression bottle and propulsion device and bathes phase with Metal constant temperature
Neighbour's arrangement；The viscosimeter is located in Metal constant temperature bath, and the quantity tube and propulsion device are adjacently positioned with viscosimeter, the list
The side of Metal constant temperature bath is arranged in color emissions pipe, and the photoelectricity pipe receivers and signal translating system are arranged in Metal constant temperature
The other side of bath.
2. the device that power equipment according to claim 1 is automatically measured with oily kinematic viscosity and viscosity index (VI), special
Sign is, the viscosity is calculated as Ping Shi viscosimeter, and the viscosimeter is provided with 4, the viscosity constant of 4 viscosimeters not phase
Together.
3. the device that power equipment according to claim 2 is automatically measured with oily kinematic viscosity and viscosity index (VI), special
Sign is that the quantity tube and propulsion device are provided with 4 sets, each described viscosimeter it is adjacent be disposed with a set of quantity tube and
Propulsion device.
4. the device that power equipment according to claim 1 is automatically measured with oily kinematic viscosity and viscosity index (VI), special
Sign is that the coverage area of the Metal constant temperature bath is the top of bottom to the top expansion of viscosimeter.
5. the device that power equipment according to claim 1 is automatically measured with oily kinematic viscosity and viscosity index (VI), special
Sign is, includes insulating wool, pipeline and valve, the insulating wool filling in the insulating wool and associated conduit solenoid valve system
Between device noumenon and Metal constant temperature bath；The injection port and quantity tube and propulsion device are described quantitative by piping connection
Pipe and propulsion device connects respectively by pipeline with oil extraction general export and viscosimeter, and the viscosimeter passes through pipeline respectively and very
Sky pump and compression bottle and propulsion device connection.
6. the device that power equipment according to claim 5 is automatically measured with oily kinematic viscosity and viscosity index (VI), special
Sign is that the electric pump pumping unit is arranged at injection port, is arranged between the electric pump pumping unit and quantity tube and propulsion device
There is valve, between the quantity tube and propulsion device and oil extraction general export and quantity tube and propulsion device are connect with viscosimeter
It is also equipped with valve；Between the viscosimeter and vacuum pump and viscosimeter and compression bottle and propulsion device are connected with valve
Door.
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| CN201820971957.4U CN208283219U (en) | 2018-06-23 | 2018-06-23 | A kind of device that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) |
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| CN201820971957.4U CN208283219U (en) | 2018-06-23 | 2018-06-23 | A kind of device that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645753A (en) * | 2018-06-23 | 2018-10-12 | 华电电力科学研究院有限公司 | A kind of device and assay method that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) |
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2018
- 2018-06-23 CN CN201820971957.4U patent/CN208283219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645753A (en) * | 2018-06-23 | 2018-10-12 | 华电电力科学研究院有限公司 | A kind of device and assay method that power equipment is automatically measured with oily kinematic viscosity and viscosity index (VI) |
| CN108645753B (en) * | 2018-06-23 | 2024-03-22 | 华电电力科学研究院有限公司 | Device and method for fully automatically measuring kinematic viscosity and viscosity index of oil for power equipment |
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