CN201773079U - Novel device for detecting oxidation stability of lubricating oil - Google Patents
Novel device for detecting oxidation stability of lubricating oil Download PDFInfo
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- CN201773079U CN201773079U CN2010202624971U CN201020262497U CN201773079U CN 201773079 U CN201773079 U CN 201773079U CN 2010202624971 U CN2010202624971 U CN 2010202624971U CN 201020262497 U CN201020262497 U CN 201020262497U CN 201773079 U CN201773079 U CN 201773079U
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Abstract
The utility model discloses a device for detecting the oxidation stability of lubricating oil, which relates to the technical field of the detection of lubricating oil. The device comprises a beaker component, a pressure transmitter, an oxygen bomb component, a motor, a cam, a connecting rod advancing mechanism, an insulated fixing plate, a rotating shaft, a spring support component, an upper end heat preservation cover, a lower end heat preservation cover, a flexible heating device, a metal heating bath, a temperature sensor, an intelligent controller and a display unit. In the utility model, a high-temperature oil bath is replaced by a safe and environmentally-friendly metal heating bath and sample stirring is realized by leftward and rightward swing of an oxygen bomb, so that the axial rotation of the oxygen bomb at the speed of 100 revolutions/minute is replaced, mechanical design and processing difficulty are lowered greatly, structure is simpler and cost is lower; simultaneously, a pressure signal is transmitted to the central processing unit by the pressure transmitter, so that a pressure curve can be drawn automatically on a color display screen, a test end point can be determined automatically and a test result can be displayed.
Description
Technical field
The utility model relates to lubricating oil detection technique field, relates in particular to a kind of device of new detection lubricating oil oxidation stability.
Background technology
Lubricating oil oxidation stability is to estimate the most important index of lubricating oil antioxygen property.Measure lubricating oil oxidation stability and generally abide by the standard SH/T0193 of petroleum department: lubricating oil oxidation stability analyzer (rotary oxygen bomb method).During test, sample, water and copper catalyst coil are put into a glass sample holder with cover, place to be circumscribed with manometric oxygen bomb.Charge into the oxygen of 620KPa to oxygen bomb, put into the constant temperature oil bath of regulation, make its speed become 30 ° of angles axially to rotate with surface level with 100r/min.The oxidation stability that (unit is min) is sample falls the required time in the pressure that test arrives regulation.
The method is defined in the test process, must possess two important test conditions: 1) oxygen bomb must be placed in 150 ℃ the oil bath and test; 2) when test, abundant for realizing oil product to be measured and oxygen, catalyst reaction, oxygen bomb must rotate with the speed of 100r/min.
The constant temperature oil bath of mentioning among the SH/T0193, generally, to guarantee to place two oxygen bombs in the oil bath, sometimes even also need design the oil bath of putting into four oxygen bombs simultaneously, and to satisfy the rotating condition of stipulating in the SH/T0193 method, also need guarantee there are enough gaps between bullet and the bullet, so just cause the volume of bath can be very big.Usually, the oil bath of one two bullet needs about 50L oil just can satisfy experiment condition.If realize 150 ℃ high temperature, also must select lubricating oil for use with high-flash and fine antioxygen property, with the dimethyl silicon oil representative, the measured silicone oil price of matter is very expensive, if change silicone oil one time, expense is well imagined.Any one high-flash oil product all can have oil vapour to produce under 150 ℃ hot conditions, and oil vapour is contaminated environment extremely, can cause very major injury to the tester, and the potential fire risk of the oil bath of continuous high temperature is also very big.
If guarantee two above-mentioned test conditions, the mechanical drive aspect just needs to consider several factors, should guarantee the rotating speed requirement, also need consider sealing, installation and maintenance under noise reduction, the hot conditions or the like.
In sum, the method for the test lubricating oil oxidation stability of stipulating among the SH/T0193 has great harm to experimental situation, and the design of testing tool, maintenance cost are all very high.
The utility model content
The purpose of this utility model provides a kind of device of new detection lubricating oil oxidation stability, and it has reduced design and difficulty of processing mechanically, makes structure simpler, and cost is lower, and can judge the test terminal point automatically and show test results.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of device of new detection lubricating oil oxidation stability, comprise beaker assembly, pressure unit, oxygen bomb assembly, lubricating oil oxidation stability analyzer, wherein, described oxidation stability analyzer is made up of oxygen bomb heating bath wabbler mechanism and Based Intelligent Control and display unit; Described oxygen bomb heating bath wabbler mechanism comprises: motor, cam, connecting rod propulsive mechanism, adiabatic fixed head, turning axle, spring supporting component, upper end insulation cover, lower end insulation cover, flexible heater part, METAL HEATING PROCESS are bathed, temperature sensor; Motor links to each other with cam, and cam links to each other with an end of connecting rod propulsive mechanism, and the other end of connecting rod propulsive mechanism links to each other with elastic rod in the oxygen bomb assembly; The upper end of elastic rod is provided with oxygen fill valve, and the top of elastic rod is connected with pressure unit, and elastic rod passes upper end insulation cover and lower end insulation cover successively, and is connected with the oxygen bomb of bottom; The flexible heater part is wrapped in METAL HEATING PROCESS and bathes peripheral, the inside that METAL HEATING PROCESS is bathed is provided with the cavity of placing oxygen bomb, upper end insulation cover and lower end insulation cover are separately positioned on the openend that METAL HEATING PROCESS is bathed, the bottom that METAL HEATING PROCESS is bathed is provided with adiabatic fixed head, temperature sensor passes adiabatic fixed head, inserts the inside that METAL HEATING PROCESS is bathed; Turning axle is installed on the axis of symmetry of adiabatic fixed head lower surface, and the symmetria bilateralis of axis of symmetry is provided with the support spring assembly, and an end of support spring assembly links to each other with adiabatic fixed head, and the other end of support spring assembly is fixed on the surface level; Based Intelligent Control and display unit are connected with temperature sensor with pressure unit respectively, receive the pressure signal of pressure unit transmission and the temperature signal that temperature sensor transmits, and respectively the duty of rotating speed of motor and flexible heater part is controlled according to pressure signal and temperature signal.
The beneficial effects of the utility model are: utilize the METAL HEATING PROCESS of safety, environmental protection to bathe alternative high temperature oil bath, realize that by vacillating now to the left, now to the right of oxygen bomb sample stirs, thereby the oxygen bomb that replaces 100r/min axially rotates, greatly reduce mechanically design and difficulty of processing like this, make structure simpler, cost is lower; Adopt pressure unit that pressure signal is reached CPU (central processing unit) simultaneously, can on colorful display screen, draw out pressure curve automatically, and can judge the test terminal point automatically and show test results.
Description of drawings
Fig. 1 is the method schematic diagram of the new detection lubricating oil oxidation stability of the utility model.
Fig. 2 is the apparatus structure synoptic diagram of the new detection lubricating oil oxidation stability of the utility model.
Fig. 3 is the structural representation of oxygen bomb assembly in the device of the new detection lubricating oil oxidation stability of the utility model.
Among the figure: 1, the Pressure/Temperature collecting unit, 2, touch/display screen, 3, CPU (central processing unit), 4, output control unit, 5, storage unit, 6, cam, 7, the connecting rod propulsive mechanism, 8, pressure unit, 9, the body assembly, 10, the upper end insulation cover, 11, the lower end insulation cover, 12, the flexible heater part, 13, METAL HEATING PROCESS is bathed, and 14, temperature sensor, 15, the spring supporting component, 16, the beaker assembly, 17, adiabatic fixed head, 18, turning axle, 19, motor, 20, elastic rod, 21, the bullet lid, 22, O-ring seal, 23, the sealing bootstrap block, 24, body, 25, oxygen fill valve.
Embodiment
Below in conjunction with accompanying drawing the utility model is done description in further detail:
A kind of device of new detection lubricating oil oxidation stability, comprise beaker assembly 16, pressure unit 8, oxygen bomb assembly, lubricating oil oxidation stability analyzer, wherein, described oxidation stability analyzer is made up of oxygen bomb heating bath wabbler mechanism and Based Intelligent Control and display unit.
Above-mentioned oxygen bomb heating bath wabbler mechanism comprises: motor 19, cam 6, connecting rod propulsive mechanism 7, adiabatic fixed head 17, turning axle 18, spring supporting component 15, upper end insulation cover 10, lower end insulation cover 11, flexible heater part 12, METAL HEATING PROCESS bath 13, temperature sensor 14; Motor 19 links to each other with cam 6, and cam 6 links to each other with an end of connecting rod propulsive mechanism 7, and the other end of connecting rod propulsive mechanism 7 links to each other with elastic rod 20 in the oxygen bomb assembly; The upper end of elastic rod 20 is provided with oxygen fill valve 25, and the top of elastic rod 20 is connected with pressure unit 8, and elastic rod 20 passes upper end insulation cover 10 and lower end insulation cover 11 successively, and is connected with the oxygen bomb of bottom; Flexible heater part 12 is wrapped in METAL HEATING PROCESS and bathes 13 peripheries, the inside of METAL HEATING PROCESS bath 13 is provided with the cavity of placing oxygen bomb, upper end insulation cover 10 and lower end insulation cover 11 are separately positioned on the openend of METAL HEATING PROCESS bath 13, the bottom of METAL HEATING PROCESS bath 13 is provided with adiabatic fixed head 17, temperature sensor 14 passes adiabatic fixed head 17, inserts the inside of METAL HEATING PROCESS bath 13; Turning axle 18 is installed on the axis of symmetry of adiabatic fixed head 17 lower surfaces, and the symmetria bilateralis of axis of symmetry is provided with support spring assembly 15, and an end of support spring assembly 15 links to each other with adiabatic fixed head 17, and the other end of support spring assembly 15 is fixed on the surface level.
Above-mentioned Based Intelligent Control and display unit comprise Pressure/Temperature collecting unit 1, touch/display screen 2, CPU (central processing unit) 3, output control unit 4, storage unit 5; CPU (central processing unit) 3 is connected with Pressure/Temperature collecting unit 1, touch/display screen 2, output control unit 4, storage unit 5 respectively; Touch/display screen 2 sends to CPU (central processing unit) 3 and adjusts instruction; Pressure/Temperature collecting unit 1 is connected with temperature sensor 14 with pressure unit 8 respectively, the analog signals that reception pressure unit 8 and temperature sensor 14 are sent also carries out A/D to it and changes, and sends the digital quantity signal after the conversion to CPU (central processing unit) 3; CPU (central processing unit) 3 sends to digital quantity signal on touch/display screen 2 and shows, sends temperature control command and motor speed control command according to digital quantity signal to output control unit 4 simultaneously; Output control unit 4 is according to the temperature control command and the motor speed control command that receive, and directly drive motor 19 and flexible heater 12 are by the control command operation; Storage unit 5 receives intermediate data and the testing result data that CPU (central processing unit) 3 is sent, and data are preserved, and calls for CPU (central processing unit) 3.
When using device of the present utility model lubricating oil oxidation stability being tested, testing procedure is as follows:
1) water, candidate oil to be measured and copper catalyst coil are put into a beaker with cover, as beaker assembly 16;
2) beaker assembly 16 is put into oxygen bomb, screw bullet lid 21, oxygen bomb is sealed;
3) open oxygen fill valve 25, in oxygen bomb, charge into oxygen, pressure unit 8 detects the pressure in the oxygen bomb in real time, and force value is transformed into electric signal sends Pressure/Temperature collecting unit 1 to, after Pressure/Temperature collecting unit 1 carries out the A/D conversion with the pressure signal that receives, pass to CPU (central processing unit) 3, CPU (central processing unit) 3 meeting real-time processing datas, and drafting pressure curve, show by touch/display screen 2, by storage unit 5 storages, when the pressure in the oxygen bomb reaches the 620KPa of regulation, manually stop oxygenation and close oxygen fill valve 25;
4) CPU (central processing unit) 3 drives the heating process of 12 pairs of metallic aluminium heating baths 13 of output control units 4 control flexible heater parts, makes the temperature of metallic aluminium heating bath 13 reach 150 ℃ and control temperature constant at 150 ℃ ± 0.1 ℃; After detecting end, flexible heater part 12 will preestablish mode according to CPU (central processing unit) 3, stop to heat or temperature being controlled at the initial temperature value of next sample to be tested;
5) oxygen bomb is put into metallic aluminium heating bath 13, with lower end insulation cover 11 and upper end insulation cover 10 metallic aluminium heating bath 13 is sealed, two insulation covers all can be processed by high temperature resistant nonmetallic materials;
6) CPU (central processing unit) 3 drives output control unit 4 control motors 19 and rotates and drive cam 6 actions, cam 6 drive link propulsive mechanisms 7 pulling elastic rods 20 tops, making oxygen bomb heating bath wabbler mechanism is the to-and-fro movement that 120 times/min makes sway in both directions around its turning axle 18 by flutter rate, realizes the stirring to tested candidate oil;
7) the oxygen bomb pressure signal value passed back according to pressure unit 8 of CPU (central processing unit) 3 judges whether to reach endpoint detection automatically; And preserve all detection intermediate data and testing result automatically by storage unit 5, in order to inquiry in the future;
8) when the decline of pressure signal value reaches the force value 175KPa of defined among the standard SH/T0193 of petroleum department, CPU (central processing unit) 3 automatic detection of end, and sample reached the spent time value of 175KPa, as the value storage of testing result, control motor 19 then and shut down; Touch/display screen 2 shows the numerical value of testing result and the text prompt of " detect and finish " automatically, thereby finishes the method that detects lubricating oil oxidation stability.
The utility model discloses a kind of method and device that the high temperature oil bath detects lubricating oil oxidation stability that substitute fully, rely on the METAL HEATING PROCESS of safety, environmental protection to bathe, and utilize the simple mechanism of vacillating now to the left, now to the right to replace the high speed rotating of oxygen bomb to oxygen bomb provides heating condition.Like this, under the prerequisite of guaranteeing the test result equivalence, not only improved the cost performance of testing tool self, and reduced in the test process to the pollution of environment with to the harm of tester's health; And utilize automatic detection means, in very long testing process, realized unmanned.Security, the reliability and stability of test macro are guaranteed fully.
Claims (2)
1. the device of a new detection lubricating oil oxidation stability, comprise beaker assembly (16), pressure unit (8), oxygen bomb assembly, lubricating oil oxidation stability analyzer, it is characterized in that: described oxidation stability analyzer is made up of oxygen bomb heating bath wabbler mechanism and Based Intelligent Control and display unit; Described oxygen bomb heating bath wabbler mechanism comprises: motor (19), cam (6), connecting rod propulsive mechanism (7), adiabatic fixed head (17), turning axle (18), spring supporting component (15), upper end insulation cover (10), lower end insulation cover (11), flexible heater part (12), METAL HEATING PROCESS are bathed (13), temperature sensor (14); Motor (19) links to each other with cam (6), and cam (6) links to each other with an end of connecting rod propulsive mechanism (7), and the other end of connecting rod propulsive mechanism (7) links to each other with elastic rod (20) in the oxygen bomb assembly; The upper end of elastic rod (20) is provided with oxygen fill valve (25), and the top of elastic rod (20) is connected with pressure unit (8), and elastic rod (20) passes upper end insulation cover (10) and lower end insulation cover (11) successively, and is connected with the oxygen bomb of bottom; Flexible heater part (12) is wrapped in METAL HEATING PROCESS and bathes (13) periphery, the inside that METAL HEATING PROCESS is bathed (13) is provided with the cavity of placing oxygen bomb, upper end insulation cover (10) and lower end insulation cover (11) are separately positioned on the openend that METAL HEATING PROCESS is bathed (13), the bottom that METAL HEATING PROCESS is bathed (13) is provided with adiabatic fixed head (17), temperature sensor (14) passes adiabatic fixed head (17), inserts the inside that METAL HEATING PROCESS is bathed (13); Turning axle (18) is installed on the axis of symmetry of adiabatic fixed head (17) lower surface, the symmetria bilateralis of axis of symmetry is provided with support spring assembly (15), one end of support spring assembly (15) links to each other with adiabatic fixed head (17), and the other end of support spring assembly (15) is fixed on the surface level; Based Intelligent Control and display unit are connected with temperature sensor (14) with pressure unit (8) respectively, receive the pressure signal of pressure unit (8) transmission and the temperature signal that temperature sensor (14) transmits, and respectively the rotating speed of motor (19) and the duty of flexible heater part (12) are controlled according to pressure signal and temperature signal.
2. the device of a kind of new detection lubricating oil oxidation stability as claimed in claim 1, it is characterized in that: described Based Intelligent Control and display unit comprise Pressure/Temperature collecting unit (1), touch/display screen (2), CPU (central processing unit) (3), output control unit (4), storage unit (5); CPU (central processing unit) (3) is connected with Pressure/Temperature collecting unit (1), touch/display screen (2), output control unit (4), storage unit (5) respectively; Touch/display screen (2) sends to CPU (central processing unit) (3) and adjusts instruction; The analog signals that Pressure/Temperature collecting unit (1) is sent pressure unit (8) and temperature sensor (14) carries out the A/D conversion, sends the digital quantity signal after the conversion to CPU (central processing unit) (3); CPU (central processing unit) (3) sends to touch/display screen (2) with digital quantity signal and goes up demonstration, sends temperature control command and motor speed control command according to digital quantity signal to output control unit (4) simultaneously; Output control unit (4) is according to the temperature control command and the motor speed control command that receive, and directly drive motor (19) and flexible heater (12) are by the control command operation; Storage unit (5) receives intermediate data and the testing result data that CPU (central processing unit) (3) is sent, and data are preserved, and calls for CPU (central processing unit) (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202624971U CN201773079U (en) | 2010-07-15 | 2010-07-15 | Novel device for detecting oxidation stability of lubricating oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202624971U CN201773079U (en) | 2010-07-15 | 2010-07-15 | Novel device for detecting oxidation stability of lubricating oil |
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| CN201773079U true CN201773079U (en) | 2011-03-23 |
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| CN2010202624971U Expired - Lifetime CN201773079U (en) | 2010-07-15 | 2010-07-15 | Novel device for detecting oxidation stability of lubricating oil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915785A (en) * | 2010-07-15 | 2010-12-15 | 大连北方分析仪器有限公司 | Novel method and device for detecting oxidation stability of lubricating oil |
| CN103018118A (en) * | 2012-12-10 | 2013-04-03 | 苏州大学 | High-frequency torsional fatigue testing method and device for hard plastic pieces |
| CN103344668A (en) * | 2013-06-15 | 2013-10-09 | 丁婕 | Measuring apparatus for oxidation stability of gasoline |
-
2010
- 2010-07-15 CN CN2010202624971U patent/CN201773079U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915785A (en) * | 2010-07-15 | 2010-12-15 | 大连北方分析仪器有限公司 | Novel method and device for detecting oxidation stability of lubricating oil |
| CN101915785B (en) * | 2010-07-15 | 2012-07-25 | 大连北方分析仪器有限公司 | Novel method and device for detecting oxidation stability of lubricating oil |
| CN103018118A (en) * | 2012-12-10 | 2013-04-03 | 苏州大学 | High-frequency torsional fatigue testing method and device for hard plastic pieces |
| CN103018118B (en) * | 2012-12-10 | 2016-01-20 | 苏州大学 | A kind of high-frequency torsional fatigue method of testing of rigid plastic part and device |
| CN103344668A (en) * | 2013-06-15 | 2013-10-09 | 丁婕 | Measuring apparatus for oxidation stability of gasoline |
| CN103344668B (en) * | 2013-06-15 | 2015-07-29 | 丁婕 | A kind of oxidation stability of gasoline determinator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110323 Effective date of abandoning: 20120725 |