A high-boiling silicone oil viscosity detection device and a detection method thereof
The thermal oil heating barrel and high-elastic sponge cleaning system solve the problems of cumbersome cleaning and uneven heating of the high-boiling silicone oil viscosity detection device, realize automatic cleaning and uniform heating, and improve the safety and accuracy of detection.
Patent Information
- Application Number
- CN202510075857.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2045-01-17
AI Technical Summary
Existing high-boiling silicone oil viscosity testing devices are cumbersome and pose safety risks when cleaning the rotor and sample cup, and the uneven heating leads to an unstable testing process.
It uses a thermal oil heating barrel and a high-elastic sponge cleaning system. The adjustment mechanism controls the movement of the support plate and airbag to achieve automatic cleaning. The laser monitoring component accurately controls the liquid level position to ensure heating uniformity.
It realizes the automated cleaning process, reduces manual intervention and safety risks, and makes heating more uniform and stable, thus improving detection accuracy and efficiency.
Smart Images
Figure CN119880708B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of new material detection, in particular to a high-boiling silicone oil viscosity detection device and a detection method thereof. BACKGROUND
[0002] The high-boiling silicone oil is a methyl methoxysilane mixed copolymer, belongs to organic silicone material in advanced polymer materials, has high heat resistance, electrical insulation, hydrophobicity and other characteristics, and is a colorless or light yellow transparent oily liquid, and can generally withstand high temperature of 200-300 DEG C.
[0003] The viscosity of silicone oil is also called viscosity, and the viscosity of high-boiling silicone oil is mainly to understand its rheological properties to meet the requirements of different applications. There are many methods for detecting the viscosity of high-boiling silicone oil, such as capillary viscometer method, rotary viscometer method, falling ball method, oscillation type viscometer method, etc. Among them, the rotary viscometer method is to screw the corresponding rotor on the bottom shaft of the controller, pour a certain capacity of silicone oil to be measured in the sample cup, and make the groove on the rotor just flush with the upper surface of the silicone oil through the lifting controller. When the rotor rotates in the silicone oil, the silicone oil will produce resistance to the rotor, and the resistance is proportional to the viscosity of the liquid. The torque or rotational speed can be measured to calculate the viscosity of the liquid. After measurement, the rotor and sample cup need to be cleaned in detail.
[0004] The viscosity of silicone oil decreases with the increase of temperature, and the temperature gradient of high-boiling silicone oil needs to be measured when detecting its viscosity. In the measurement process, the silicone oil also needs to be kept at a specified temperature, that is, the temperature of the sample cup is controlled by the electric heater of the high-temperature viscometer, and the temperature fluctuation in the sample cup is kept within ±0.1 DEG C.
[0005] According to the related technology in the above, the inventors believe that the following defects exist: after each detection, the controller needs to be raised to unscrew the rotor, the sample cup is removed, and then the silicone oil on the surface of the rotor and the sample cup is removed by using a paper towel, a cloth and other tools. This process is relatively complicated and has great safety hazards because it is often carried out when the rotor and the sample cup are still at high temperature, and the worker needs to take good heat protection measures. In the heating and heat preservation process of the silicone oil, the heating of the electric heater is relatively uneven, and local temperature fluctuation is prone to occur. SUMMARY
[0006] In order to improve the problem that the rotor and the sample cup are not easy to clean and the silicone oil is not uniformly heated, the application provides a high-boiling silicone oil viscosity detection device and a detection method thereof.
[0007] The high-boiling silicone oil viscosity detection device provided by the application adopts the following technical scheme:
[0008] A high-boiling silicone oil viscosity detection device and its detection method, including rack, controller threaded lifting on the rack, rotating shaft connected to the bottom of the controller, rotor threaded connection in the free end of the rotating shaft and placed on the rack sample cup, characterized in that: the rack is provided with a heating barrel containing heat conducting oil, the heating barrel is provided with a cup groove matched with the sample cup, the bottom of the sample cup is provided with a leakage port, the rack is rotatably connected with a mounting cylinder below the sample cup, the mounting cylinder is movably provided with a support plate matched with the leakage port, the heating barrel and the mounting cylinder are provided with a containing groove for accommodating the support plate, the mounting cylinder is provided with an adjusting mechanism for adjusting the position of the support plate;
[0009] The mounting cylinder is provided with two air pipes communicated with the air source, the air pipe is provided with an air bag, the air bag is seamlessly connected with the air pipe, the surface of the air bag is provided with a high elastic sponge, the rack is provided with a rotating assembly for driving the mounting cylinder to rotate, and the mounting cylinder is provided with a cleaning assembly for cleaning the high elastic sponge;
[0010] The sample cup is also provided with a cup cover, the cup cover is provided with a slot with a width greater than the diameter of the rod of the rotor, and the slot extends from the edge of the cup cover to the center of the cup cover, and the rack is provided with a monitoring assembly for monitoring the relative height of the silicone oil in the sample cup.
[0011] By adopting the above technical scheme, the to-be-tested silicone oil is poured into the sample cup, the rotor is threadedly connected to the rotating shaft, the rotor is directly opposite to the sample cup, the height of the rotor is adjusted by adjusting the height of the controller, the height of the silicone oil liquid surface relative to the controller is monitored in real time by the monitoring assembly, the positions of the grooves of the rotor are standard values, the position of the silicone oil liquid surface on the rotor can be displayed by conversion of the controller, until the liquid surface is flush with the groove of the rotor, the cup cover is covered, the rotor passes through the slot to reduce the loss of heat in the sample cup, the heating barrel is turned on to uniformly heat the sample cup, after heating to a specified time, the temperature of the heating barrel is kept unchanged, the rotor is rotated by the controller, after the rotor rotates for a specified time, the viscosity value of the silicone oil of the model at the temperature can be detected, the supporting plate is lowered by the adjusting mechanism, the silicone oil leaks from the material leakage opening, the supporting plate is further moved to lift the air pipe, the air bag enters the sample cup, the air bag is inflated by blowing air through the air pipe, until the high-elasticity sponge is tightly attached to the inner wall of the sample cup, the rotating member rotates the installation cylinder, and the high-elasticity sponge is rotated and the residual silicone oil in the sample cup is removed, after the high-elasticity sponge is removed, the air bag is contracted and the air pipe is lowered, the silicone oil on the high-elasticity sponge is cleaned in time by the cleaning assembly in this process, finally the supporting plate is returned to the initial position by the adjusting mechanism, and the next batch of viscosity detection operation can be performed, the whole process can be automatically operated by the program preset by the controller, which greatly shortens the steps of manual cleaning and reduces the safety hazards, and the heating barrel heated by the heat-conducting oil is more uniform and stable than the electric heater.
[0012] Optionally, the adjusting mechanism comprises a screw rod rotatably connected to the installation cylinder, an adjusting block threadedly connected to the screw rod, a baffle fixedly connected to the installation cylinder, and an adjusting motor fixedly connected to the bottom of the baffle, the adjusting block is fixedly connected to the bottom of the supporting plate, and the adjusting mechanism is further provided with a conversion assembly for controlling the control block to convert between vertical movement and horizontal rotation around the screw rod, when the adjusting block moves downward to abut against the baffle, there is a gap between the supporting plate and the sample cup for the silicone oil to pass through.
[0013] By adopting the above technical scheme, when the silicone oil in the sample cup is detected, the adjusting motor drives the screw rod to rotate, the conversion assembly limits the control block to move only in the vertical direction, that is, in this process, the screw rod drives the adjusting block to move downward, and then the supporting plate moves downward, until the adjusting block abuts against the baffle, at this time, the silicone oil leaks from the material leakage opening, and the supporting plate is shielded above the high-elasticity sponge to avoid too much silicone oil falling on the high-elasticity sponge; after the silicone oil is leaked, the conversion assembly limits the control block to rotate around the screw rod, then the adjusting motor continues to drive the screw rod to rotate, and the supporting plate enters the accommodating groove to avoid the supporting plate interfering with the high-elasticity sponge entering the sample cup.
[0014] Optionally, the conversion assembly comprises a long limiting plate and a short limiting plate fixed on the mounting cylinder, the long limiting plate and the short limiting plate are parallel to the screw rod, the gap between the short limiting plate and the baffle plate is matched with the adjusting block, and when the screw rod drives the adjusting block to descend, the short limiting plate is located on one side of the direction of the horizontal movement tendency of the adjusting block.
[0015] By adopting the above technical scheme, when the support plate is located at the material leakage opening, the screw rod rotates, the adjusting block is limited by the long limiting plate and the short limiting plate, so that the adjusting block can only descend, when the adjusting block abuts against the baffle plate and the screw rod continues to rotate in the aforementioned direction, the bottom of the adjusting block is blocked by the baffle plate and rotates until the support plate enters the accommodating groove; when it is needed to return the support plate to the material leakage opening, the adjusting motor drives the screw rod to rotate reversely, the top of the adjusting block is blocked by the short limiting plate and can only move towards the long limiting plate, when the adjusting block moves to abut against the long limiting plate, the adjusting block is blocked by the long limiting plate and moves upward until the support plate moves to the material leakage opening, and the adjusting motor stops, so that the structure is simple and the stability is high.
[0016] Optionally, the monitoring assembly comprises a laser emitter fixed on the bottom of the controller, a refracted photosensitive sensor fixed on the bottom of the support plate, and a reflected photosensitive sensor fixed on the bottom of the controller, the laser emitter obliquely irradiates the liquid surface of the silicone oil, the reflected photosensitive sensor is symmetric to the normal line of the light emitted by the laser emitter on the liquid surface of the silicone oil, and the support plate is made of transparent material.
[0017] By adopting the above technical scheme, the laser emitted by the laser emitter is refracted and reflected on the liquid surface, the refracted laser is received by the refracted photosensitive sensor, and the reflected laser is received by the reflected photosensitive sensor, when the distance between the liquid surface and the laser emitter changes, the positions of the light spots received by the refracted photosensitive sensor and the reflected photosensitive sensor also change, if the refractive index of the silicone oil of this model is known, the double monitoring of the refracted photosensitive sensor and the reflected photosensitive sensor is more accurate, if the refractive index is unknown, the position of the liquid surface can be known through the reflected photosensitive sensor, and the refractive index of the silicone oil can also be inversely inferred in cooperation with the refracted photosensitive sensor.
[0018] Optionally, the cleaning assembly comprises a brush ring rotatably connected in the mounting cylinder, a brush fixed on the inner wall of the brush ring, a plurality of spray pipes fixed on the inner wall of the mounting cylinder, a gear ring fixed outside the brush ring, and a cleaning motor fixed on the mounting cylinder, the spray pipes are opposite to the brush, and the gear ring is meshedly connected with the output end of the cleaning motor.
[0019] By adopting the above technical solution, when the airbag contracts and the trachea moves downward, the cleaning motor drives the gear ring to rotate, and the brush ring rotates accordingly, so that the brush on the brush ring continuously removes silicone oil and other substances adsorbed on the high-elasticity sponge. During this process, the nozzle also sprays clean water on the brush to improve the cleaning degree of the high-elasticity sponge. At the same time, a small amount of silicone oil on the high-elasticity sponge and in the sample cup falls onto the gear ring, which can also lubricate the gear ring.
[0020] Optionally, a liquid supply pipe is fixedly connected to the cup cover, and a plurality of nozzles are fixedly connected to the bottom of the cup cover and communicated with the liquid supply pipe.
[0021] By adopting the above technical solution, when the highly elastic sponge is cleaning the sample cup, the liquid supply pipe delivers the cleaning agent, causing the nozzle to spray the cleaning agent downward, thereby improving the cleaning efficiency of the highly elastic sponge. When the highly elastic sponge has finished cleaning, the liquid supply pipe can also spray clean water onto the wall of the sample cup, so that the mixture of silicone oil, cleaning agent, etc. remaining on the sample cup by the highly elastic sponge is cleaned by the clean water, further improving the cleaning efficiency. In addition, due to the high temperature of the sample cup, the water stains remaining in the sample cup can be evaporated in a very short time.
[0022] Optionally, the connection between the inner bottom wall of the sample cup and the inner peripheral wall thereof is a smooth chamfer, and the inner bottom wall of the sample cup is funnel-shaped.
[0023] By adopting the above technical solution, the chamfer of the sample cup reduces the dead angles encountered when the high-elastic sponge is cleaned, and the funnel-shaped inner bottom wall facilitates the liquid in the sample cup to leak out from the leakage port.
[0024] Optionally, a plurality of elastic drawstrings are connected between the airbag and the branch tube.
[0025] By adopting the above technical solution, when the bronchus rotates, the elastic drawstring provides multiple force points for the airbag, so that the airbag can move more smoothly.
[0026] A method for detecting the viscosity of high-boiling silicone oil comprises the following steps:
[0027] S1. Pre-test sequence: Pour the silicone oil to be tested into the sample cup, then use the monitoring component to monitor the position of the silicone oil liquid level on the rotor in real time, and adjust the height of the controller in real time to control the rotor height until the groove on the rotor is at the silicone oil liquid level. Then, put the cup cover on the sample cup and turn on the heating barrel for heating;
[0028] S2. Formal test: After the heating barrel is heated to the specified temperature, keep the heating barrel at this temperature and control the rotor to rotate through the controller. After the rotor rotates completely, the controller displays the viscosity value of the silicone oil at this temperature.
[0029] S3, cleaning: after the detection, the support plate is lowered by adjusting the mechanism, and the silicone oil leaks from the material leakage port. After most of the silicone oil leaks, the support plate is brought into the containing groove by adjusting the mechanism, the air pipe is raised to make the air bag enter the sample cup, then the air pipe is deflated to make the high-elastic sponge on the surface of the air bag tightly adhere to the inner wall of the sample cup, the high-elastic sponge is scraped off by rotating the installation cylinder, and finally the air pipe is retracted, the high-elastic sponge is cleaned by the cleaning assembly and the support plate is returned to the original position.
[0030] In summary, the present application includes at least one of the following beneficial technical effects:
[0031] 1. The support plate is lowered by adjusting the mechanism, at which time the silicone oil leaks from the material leakage port, then the support plate is further moved and the air pipe is raised to make the air bag enter the sample cup, then the air pipe is inflated to make the high-elastic sponge tightly adhere to the inner wall of the sample cup, the installation cylinder is rotated by the rotating part, and then the high-elastic sponge is rotated and the residual silicone oil in the sample cup is removed, after the high-elastic sponge is cleaned, the air bag is deflated and the air pipe is lowered, the silicone oil on the high-elastic sponge is cleaned in time by the cleaning assembly during the process, and the whole process of cleaning is completed, which does not require much manual intervention, the cleaning is simple and safe, and the safety is high;
[0032] 2. When the silicone oil needs to be heated and kept warm, the cup cover is covered, the rotor passes through the slot, the heating barrel is opened, and the sample cup is uniformly heated by the heating barrel, then the temperature of the heating barrel is kept unchanged after heating to the specified time, and the heating and keeping warm of the silicone oil is completed, and the heating mode of the heating barrel of the heat-conducting oil is more uniform and stable than the heating mode of the electric heater;
[0033] 3. The laser emitted by the laser emitter is refracted and reflected on the liquid surface, the refracted laser is received by the refracted light sensor, and the reflected laser is received by the reflected light sensor, when the distance between the liquid surface and the laser emitter changes, the light spot positions received by the refracted light sensor and the reflected light sensor also change, if the refractive index of the silicone oil of this type is known, the double monitoring of the refracted light sensor and the reflected light sensor is more accurate, if the refractive index is unknown, the position of the liquid surface can be known through the reflected light sensor, and the refractive index of the silicone oil can also be inferred in reverse with the refracted light sensor;
[0034] 4. When the air bag is contracted and the air pipe is lowered, the cleaning motor drives the gear ring to rotate, the brush ring rotates, and the brushes on the brush ring continuously remove the silicone oil and other substances adsorbed on the high-elastic sponge, the spray pipe sprays water on the brushes to improve the cleaning degree of the high-elastic sponge, and the small amount of silicone oil on the high-elastic sponge and in the sample cup falls on the gear ring, which can also lubricate the gear ring. BRIEF DESCRIPTION OF DRAWINGS
[0035] Figure 1It is a schematic diagram of the overall structure of an embodiment of the present application;
[0036] Figure 2 It is along Figure 1 Schematic diagram of the cross-sectional structure along line AA;
[0037] Figure 3 yes Figure 2 An enlarged schematic diagram of part B;
[0038] Figure 4 This application is mainly used to show the cross-sectional structural diagram when the support plate enters the receiving groove and the airbag enters the sample cup but has not yet expanded.
[0039] Reference numerals: 1, frame; 11, controller; 12, rotating shaft; 13, rotor; 14, sample cup; 141, leakage port; 142, cup cover; 1421, through slot; 15, heating barrel; 16, cup slot; 17, protective cover; 2, mounting cylinder; 21, support plate; 22, receiving slot; 3, adjustment mechanism; 31, screw rod; 32, adjustment block; 33, baffle; 34, adjustment motor; 35, conversion assembly; 351, length limit plate; 35 2. Short limit plate; 41. Air pipe; 42. Air bag; 421. Elastic pull rope; 43. High-elastic sponge; 5. Cleaning assembly; 51. Brush ring; 52. Brush; 53. Nozzle; 54. Gear ring; 55. Cleaning motor; 6. Monitoring assembly; 61. Laser emitter; 62. Refractive photosensor; 63. Reflective photosensor; 71. Liquid supply pipe; 72. Nozzle; 8. Rotating assembly; 81. Rotating motor; 82. Gear ring; 9. Scraper. DETAILED DESCRIPTION
[0040] The following is combined with Figures 1-4 This application is described in further detail.
[0041] Example 1
[0042] The present application discloses a device for detecting the viscosity of high-boiling silicone oil. Figure 1 、 Figure 2 and Figure 3The utility model relates to a high-boiling silicone oil viscosity detection device, including frame 1, screw lift controller 11 on frame 1, rotation connection is connected in the bottom of controller 11 rotation axis 12, screw connection is placed on the sample cup 14 of rotor 13 and the free end of rotation axis 12, frame 1 is placed with the heating barrel 15 containing heat conducting oil, frame 1 is placed with the protective cover 17 outside heating barrel 15, and the cup groove 16 of heating barrel 15 is opened with the sample cup 14, and the bottom of sample cup 14 is opened with the leakage port 141, and frame 1 is rotationally connected with the installation cylinder 2 below sample cup 14, and the supporting plate 21 of the installation cylinder 2 is movably provided with the leakage port 141, and the accommodating groove 22 of heating barrel 15 is opened with the supporting plate 21, and the installation cylinder 2 is provided with the adjusting mechanism 3 for adjusting the position of supporting plate 21.
[0043] The installation cylinder 2 is connected with the main pipeline communicated with the gas source through the cylinder lifting, the main pipeline is communicated with two gas pipes 41, the gas bag 42 is sleeved on the gas pipe 41, and the mouth of the gas bag 42 is seamlessly connected with the gas pipe 41, the high-elastic sponge 43 is arranged on the surface of the gas bag 42, the rotating assembly 8 for driving the installation cylinder 2 to rotate is arranged on the frame 1, the rotating assembly 8 includes the rotating motor 81 fixed on the frame 1 and the gear ring 82 fixed on the bottom of the installation cylinder 2, the output end of the rotating motor 81 is engagedly connected with the gear ring 82, and the cleaning assembly 5 for cleaning the high-elastic sponge 43 is arranged on the installation cylinder 2; The cup cover 142 is also placed on the sample cup 14, the slot 1421 with the diameter of the rod part of the rotor 13 is opened on the cup cover 142, and the slot 1421 extends from the edge of the cup cover 142 to the center of the cup cover 142, and the monitoring assembly 6 for monitoring the relative height of silicone oil in the sample cup 14 is arranged on the frame 1.
[0044] The to-be-tested silicone oil is poured into the sample cup 14, the rotor 13 is screwed onto the rotating shaft 12, the rotor 13 is aligned with the sample cup 14, the height of the controller 11 is adjusted to adjust the height of the rotor 13, and the height of the silicone oil liquid surface relative to the controller 11 is monitored in real time through the monitoring assembly 6. Since the positions of the grooves of the rotor 13 are standard values, the position of the silicone oil liquid surface on the rotor 13 can be displayed through the conversion of the controller 11, until the liquid surface is flush with the grooves of the rotor 13. The cup cover 142 is covered, the rotor 13 passes through the slot 1421, so as to reduce the heat loss in the sample cup 14. The heating barrel 15 is turned on, so that the sample cup 14 is uniformly heated by the heating barrel 15. After being heated to the specified time, the temperature of the heating barrel 15 is kept unchanged, and the rotor 13 is rotated through the controller 11. After the rotor 13 rotates for a specified time, the viscosity value of the silicone oil of this type at this temperature can be detected. The supporting plate 21 is lowered through the adjusting mechanism 3, and the silicone oil leaks from the material leakage hole 141. Then the supporting plate 21 is further moved, the air pipe 41 is raised, the air bag 42 enters the sample cup 14, and the air bag 42 is inflated through the air pipe 41. After the high-elasticity sponge 43 tightly adheres to the inner wall of the sample cup 14, the rotating part rotates the installation cylinder 2, and the high-elasticity sponge 43 rotates and removes the residual silicone oil in the sample cup 14. After the high-elasticity sponge 43 is removed, the air bag 42 is contracted and the air pipe 41 is lowered. The silicone oil on the high-elasticity sponge 43 is cleaned in time by the cleaning assembly 5 during this process. Finally, the supporting plate 21 is returned to the initial position through the adjusting mechanism 3, and the next batch of viscosity detection operation can be performed. This process can be automatically operated through the program preset by the controller 11, which greatly shortens the manual cleaning steps and reduces the safety hazards. The heating barrel 15 heated by the heat-conducting oil is more uniform and stable than the electric heater.
[0045] Reference Figure 3, the adjusting mechanism 3 comprises a screw rod 31 rotatably connected to the mounting cylinder 2, an adjusting block 32 threadedly connected to the screw rod 31, a baffle 33 fixedly connected to the mounting cylinder 2, and an adjusting motor 34 fixedly connected to the bottom of the baffle 33, the adjusting block 32 is fixedly connected to the bottom of the support plate 21, the adjusting mechanism 3 further comprises a conversion assembly 35 for controlling the conversion of the adjusting block 32 between the vertical movement and the horizontal rotation around the screw rod 31, when the adjusting block 32 is lowered to abut against the baffle 33, there is a gap between the support plate 21 and the sample cup 14 for the silicone oil to pass through, the conversion assembly 35 comprises a long limiting plate 351 and a short limiting plate 352 fixedly connected to the mounting cylinder 2, the long limiting plate 351 and the short limiting plate 352 are parallel to the screw rod 31, the gap between the short limiting plate 352 and the baffle 33 is matched with the adjusting block 32, and when the screw rod 31 drives the adjusting block 32 to descend, the short limiting plate 352 is located on the side facing the direction of the horizontal movement tendency of the adjusting block 32, in the present application, the end of the short limiting plate 352 is further fixedly connected with a scraper 9, so as to facilitate the process that the support plate 21 enters the containing groove 22, and the scraper 9 scrapes the silicone oil on the support plate 21.
[0046] When the support plate 21 is located at the material leakage hole 141, the adjusting motor 34 drives the screw rod 31 to rotate, the adjusting block 32 is limited by the long limiting plate 351 and the short limiting plate 352, so that the adjusting block 32 can only descend, when the adjusting block 32 abuts against the baffle 33, the silicone oil leaks from the material leakage hole 141 at this time, and the support plate 21 is shielded above the high-elastic sponge 43 to avoid too much silicone oil falling on the high-elastic sponge 43, then when the screw rod 31 continues to rotate, the bottom of the adjusting block 32 is blocked by the baffle 33 to rotate, until the support plate 21 enters the containing groove 22 to avoid the support plate 21 interfering with the high-elastic sponge 43 entering the sample cup 14, when it is needed to return the support plate 21 to the material leakage hole 141, the adjusting motor 34 drives the screw rod 31 to reversely rotate, the top of the adjusting block 32 is blocked by the short limiting plate 352 to move only in the direction close to the long limiting plate 351, when the adjusting block 32 moves to abut against the long limiting plate 351, the adjusting block 32 is blocked by the long limiting plate 351 to ascend, until the support plate 21 moves to the material leakage hole 141, and the adjusting motor 34 stops, the structure is simple and the stability is high.
[0047] Referring to Figure 4 , the monitoring assembly 6 comprises a laser emitter 61 fixedly connected to the bottom of the controller 11, a refractive photosensitive sensor 62 fixedly connected to the bottom of the support plate 21, and a reflective photosensitive sensor 63 fixedly connected to the bottom of the controller 11, the laser emitter 61 obliquely irradiates the silicone oil liquid surface, the reflective photosensitive sensor 63 is symmetrical to the normal line of the light emitted by the laser emitter 61 on the silicone oil liquid surface, and the support plate 21 is made of high-transparency and low-reflectivity glass.
[0048] The laser emitted by the laser emitter 61 is refracted and reflected when irradiating on the liquid surface, the refracted laser is received by the refracted photosensitive sensor 62, and the reflected laser is received by the reflected photosensitive sensor 63. When the distance between the liquid surface and the laser emitter 61 changes, the positions of the light spots received by the refracted photosensitive sensor 62 and the reflected photosensitive sensor 63 also change. If the refractive index of the silicone oil of this model is known, the double monitoring of the refracted photosensitive sensor 62 and the reflected photosensitive sensor 63 is more accurate. If the refractive index is unknown, the position of the liquid surface can be known through the reflected photosensitive sensor 63, and the refractive index of the silicone oil can also be inferred reversely by cooperating with the refracted photosensitive sensor 62.
[0049] With reference to Figure 2 and Figure 3 The cleaning assembly 5 comprises a brush ring 51 rotatably connected in the mounting cylinder 2, a brush 52 fixed to the inner wall of the brush ring 51, a plurality of spray pipes 53 fixed to the inner wall of the mounting cylinder 2, a gear ring 54 fixed to the outside of the brush ring 51, and a cleaning motor 55 fixed to the mounting cylinder 2. The spray pipes 53 face the brush 52, and the gear ring 54 is in meshing connection with the output end of the cleaning motor 55. When the air bag 42 is contracted and the air pipe 41 is lowered, the cleaning motor 55 drives the gear ring 54 to rotate, and the brush ring 51 rotates accordingly, so that the brush 52 on the brush ring 51 continuously removes the silicone oil and other substances adsorbed on the high-elastic sponge 43. In this process, the spray pipes 53 also spray clean water on the brush 52 to improve the cleaning degree of the high-elastic sponge 43. At the same time, a small amount of silicone oil on the high-elastic sponge 43 and in the sample cup 14 falls on the gear ring 54, which can also lubricate the gear ring 54.
[0050] With reference to Figure 2 A liquid supply pipe 71 is fixed to the cup cover 142, and a plurality of nozzles 72 are fixed to the bottom of the cup cover 142 and communicate with the liquid supply pipe 71. When the high-elastic sponge 43 is cleaning the sample cup 14, the liquid supply pipe 71 transports the cleaning agent, and the nozzles 72 spray the cleaning agent downward to improve the cleaning degree of the high-elastic sponge 43. After the high-elastic sponge 43 is cleaned, the liquid supply pipe 71 can also spray clean water to the cup wall of the sample cup 14, so that the mixture of silicone oil and cleaning agent remaining on the high-elastic sponge 43 is cleaned by the clean water, further improving the cleaning degree. Moreover, because the temperature of the sample cup 14 is relatively high, the water stains remaining in the sample cup 14 can evaporate in a very short time.
[0051] With reference to Figure 3A plurality of elastic pull ropes 421 are connected between the air bag 42 and the branch pipe. The connection between the inner bottom wall of the sample cup 14 and the inner peripheral wall thereof is a smooth chamfer, and the inner bottom wall of the sample cup 14 is funnel-shaped. When the branch pipe 41 rotates, the elastic pull ropes 421 provide a plurality of force points for the air bag 42, so that the air bag 42 can move more stably. The chamfer of the sample cup 14 reduces the dead angle encountered when the high-elasticity sponge 43 is cleaned, and the funnel-shaped inner bottom wall facilitates the leakage of liquid in the sample cup 14 from the leakage opening 141.
[0052] The implementation principle of the viscosity detection device for high-boiling silicone oil according to the embodiment of the application is as follows: pour the silicone oil to be detected into the sample cup 14, threadedly connect the rotor 13 to the rotating shaft 12, so that the rotor 13 faces the sample cup 14, then adjust the height of the controller 11 to adjust the height of the rotor 13, and simultaneously turn on the laser generator. The laser emitted by the laser emitter 61 is refracted and reflected when irradiating the liquid surface. The refracted laser is received by the refracted light-sensitive sensor 62, and the reflected laser is received by the reflected light-sensitive sensor 63. When the distance between the liquid surface and the laser emitter 61 changes, the positions of the light spots received by the refracted light-sensitive sensor 62 and the reflected light-sensitive sensor 63 also change. According to this principle, the controller 11 can display the position of the liquid surface of the silicone oil relative to the position of the groove of the rotor 13.
[0053] When the liquid surface is flush with the groove of the rotor 13, cover the cup cover 142, pass the rotor 13 through the slot 1421, so as to reduce the heat loss in the sample cup 14, then turn on the heating barrel 15, so that the sample cup 14 is uniformly heated by the heating barrel 15. After heating to a specified time, continue to keep the temperature of the heating barrel 15 unchanged, and simultaneously make the rotor 13 rotate through the controller 11. After the rotor 13 rotates for a specified time, the viscosity value of the silicone oil of this type at this temperature can be detected.
[0054] After the detection is completed, the lead screw 31 driven by the motor rotates, the adjusting block 32 is limited by the long limiting plate 351 and the short limiting plate 352, so that the adjusting block 32 can only descend. When the adjusting block 32 abuts against the baffle 33, the silicone oil leaks from the leakage opening 141 at this time, and the supporting plate 21 is shielded above the high-elasticity sponge 43 to avoid too much silicone oil falling on the high-elasticity sponge 43. Then, when the lead screw 31 continues to rotate, the adjusting block 32 rotates due to the block of the baffle 33 at the bottom thereof, until the supporting plate 21 enters the accommodating groove 22.
[0055] Then the air pipe 41 is lifted, the air bag 42 is put into the sample cup 14, and the air bag 42 is inflated by blowing through the air pipe 41 until the high-elastic sponge 43 is tightly attached to the inner wall of the sample cup 14, then the rotating assembly 8 rotates the mounting cylinder 2, thereby driving the high-elastic sponge 43 to rotate and clean the residual silicone oil in the sample cup 14, and the nozzle 72 also sprays the cleaning agent into the sample cup 14, after the high-elastic sponge 43 is cleaned, the air bag 42 is deflated and the air pipe 41 is lowered, the cleaning motor 55 drives the gear ring 54 to rotate, and the brush ring 51 rotates, thereby enabling the brush 52 on the brush ring 51 to continuously clean the silicone oil and other substances adsorbed on the high-elastic sponge 43, in this process, the spray pipe 53 also sprays clean water for the brush 52, so that the cleaning degree of the high-elastic sponge 43 is improved, and a small amount of silicone oil on the high-elastic sponge 43 and in the sample cup 14 falls on the gear ring 54, thereby lubricating the gear ring 54, and then the nozzle 72 sprays clean water to further clean the sundries on the sample cup 14 and the rotor 13.
[0056] When it is needed to return the support plate 21 to the material leakage opening 141, the adjusting motor 34 drives the screw rod 31 to rotate reversely, the adjusting block 32 is blocked at the top by the short limiting plate 352 and can only move to the direction close to the long limiting plate 351, when the adjusting block 32 moves to abut against the long limiting plate 351, the adjusting block 32 is blocked by the long limiting plate 351 and moves upward until the support plate 21 moves to the material leakage opening 141.
[0057] Embodiment two
[0058] The embodiment of the application discloses a high-boiling silicone oil viscosity detection method, referring to Figures 1-4 The high-boiling silicone oil viscosity detection method comprises the following steps:
[0059] S1, pre-detection: the silicone oil to be detected is loaded into the sample cup 14, then the position of the silicone oil liquid surface on the rotor 13 is monitored in real time through the monitoring assembly 6, and the height of the rotor 13 is controlled by adjusting the height of the controller 11 in real time until the groove on the rotor 13 is located at the silicone oil liquid surface, then the cup cover 142 is covered on the sample cup 14, and the heating barrel 15 is started to heat;
[0060] S2, formal detection: after the heating barrel 15 is heated to a specified temperature, the heating barrel 15 is kept at the temperature, the rotor 13 is controlled to rotate through the controller 11, after the rotor 13 is rotated, the viscosity value of the silicone oil at the temperature is displayed by the controller 11;
[0061] S3, cleaning: after the detection, the support plate 21 is lowered through the adjusting mechanism 3, the silicone oil is leaked from the material leakage hole 141, after most of the silicone oil is leaked, the support plate 21 is made into the containing groove 22 through the adjusting mechanism 3, the air pipe 41 is raised to make the air bag 42 enter into the sample cup 14, then the air pipe 41 is deflated to make the high elastic sponge 43 on the surface of the air bag 42 closely adhere to the inner wall of the sample cup 14, the high elastic sponge 43 is scraped to remove the silicone oil adhered in the sample cup 14 by rotating the installation cylinder 2, finally the air pipe 41 is retracted, the high elastic sponge 43 is cleaned through the cleaning assembly 5 and the support plate 21 is returned to the original position.
[0062] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A high-boiling silicone oil viscosity detection device, comprising a frame (1), a controller (11) threadedly raised and lowered on the frame (1), a rotating shaft (12) rotatably connected to the bottom of the controller (11), a rotor (13) threadedly connected to the free end of the rotating shaft (12), and a sample cup (14) placed on the frame (1), characterized in that: The frame (1) is provided with a heating barrel (15) containing heat-conducting oil, the heating barrel (15) is provided with a cup groove (16) adapted to the sample cup (14), the bottom of the sample cup (14) is provided with a material leakage port (141), the frame (1) is rotatably connected to a mounting cylinder (2) below the sample cup (14), the mounting cylinder (2) is movably provided with a support plate (21) adapted to the material leakage port (141), a receiving groove (22) for accommodating the support plate (21) is reserved between the heating barrel (15) and the mounting cylinder (2), and the mounting cylinder (2) is provided with an adjustment mechanism (3) for adjusting the position of the support plate (21); Two air tubes (41) connected to an air source are provided on the mounting cylinder (2) for lifting and lowering, an air bag (42) is provided on the air pipe (41), and the mouth of the air bag (42) is seamlessly fixed to the air pipe (41), and a high-elastic sponge (43) is provided on the surface of the air bag (42), a rotating assembly (8) for driving the mounting cylinder (2) to rotate is provided on the frame (1), and a cleaning assembly (5) for cleaning the high-elastic sponge (43) is provided on the mounting cylinder (2); The sample cup (14) is further provided with a cup cover (142), the cup cover (142) is provided with a through groove (1421) whose groove width is greater than the diameter of the rod of the rotor (13), and the through groove (1421) extends from the edge of the cup cover (142) to the center of the cup cover (142), and the frame (1) is provided with a monitoring component (6) for monitoring the relative height of the silicone oil in the sample cup (14); The adjusting mechanism (3) includes a screw (31) rotatably connected to the mounting tube (2), an adjusting block (32) threadedly connected to the screw (31), a baffle (33) fixedly connected to the mounting tube (2), and an adjusting motor (34) fixedly connected to the bottom of the baffle (33), wherein the adjusting block (32) is fixedly connected to the bottom of the support plate (21), and the adjusting mechanism (3) is further provided with a conversion component (35) for controlling the control block to convert between two states of vertical movement and horizontal rotation with the screw (31) as the center of the circle. When the adjusting block (32) moves down to abut against the baffle (33), a gap for silicone oil to pass through exists between the support plate (21) and the sample cup (14); The conversion assembly (35) includes a long limit plate (351) and a short limit plate (352) fixed to the mounting cylinder (2), the long limit plate (351) and the short limit plate (352) are both parallel to the screw rod (31), the gap between the short limit plate (352) and the baffle (33) is adapted to the adjustment block (32), and when the screw rod (31) drives the adjustment block (32) to descend, the short limit plate (352) is located on the side facing the direction of the adjustment block (32) moving in the horizontal direction.
2. A high boiling silicone oil viscosity detection device according to claim 1, characterized in that: The monitoring component (6) includes a laser emitter (61) fixedly connected to the bottom of the controller (11), a refractive photosensor (62) fixedly connected to the bottom of the support plate (21), and a reflective photosensor (63) fixedly connected to the bottom of the controller (11). The laser emitter (61) obliquely illuminates the silicone oil liquid surface. The reflective photosensor (63) and the laser emitter (61) are symmetrical with respect to the normal line of the light emitted by the laser emitter (61) on the silicone oil liquid surface. The support plate (21) is made of a transparent material.
3. A high boiling silicone oil viscosity detection device according to claim 1, characterized in that: The cleaning assembly (5) comprises a brush ring (51) rotatably connected to the inside of the mounting cylinder (2), a brush (52) fixed to the inner wall of the brush ring (51), a plurality of nozzles (53) fixed to the inner wall of the mounting cylinder (2), a gear ring (54) fixed to the outside of the brush ring (51), and a cleaning motor (55) fixed to the mounting cylinder (2), wherein the nozzle (53) faces the brush (52), and the gear ring (54) is meshedly connected to the output end of the cleaning motor (55).
4. A high boiling silicone oil viscosity detection device according to claim 1, characterized in that: A liquid supply pipe (71) is fixedly connected to the cup cover (142), and a plurality of nozzles (72) are fixedly connected to the bottom of the cup cover (142) and communicated with the liquid supply pipe (71).
5. A high boiling silicone oil viscosity detection device according to claim 1, characterized in that: The connection between the inner bottom wall of the sample cup (14) and its inner peripheral wall is a smooth chamfer, and the inner bottom wall of the sample cup (14) is funnel-shaped.
6. A high boiling silicone oil viscosity detection device according to claim 1, characterized in that: A plurality of elastic drawstrings (421) are connected between the air bag (42) and the trachea (41).
7. A method for detecting the viscosity of high-boiling silicone oil, using a high-boiling silicone oil viscosity detection device according to any one of claims 1 to 6, characterized in that: The steps include: S1. Pre-test sequence: put the silicone oil to be tested into the sample cup (14), then monitor the position of the silicone oil liquid level on the rotor (13) in real time through the monitoring component (6), and adjust the height of the controller (11) in real time to control the height of the rotor (13) until the groove on the rotor (13) is located at the silicone oil liquid level, then cover the sample cup (14) with the cup cover (142), and turn on the heating barrel (15) for heating; S2. Formal test: After the heating barrel (15) is heated to a specified temperature, the heating barrel (15) is kept at the specified temperature, and the rotor (13) is controlled to rotate by the controller (11). After the rotor (13) has completed its rotation, the controller (11) displays the viscosity value of the silicone oil at the specified temperature. S3. Cleaning: After the test is completed, the support plate (21) is lowered by the adjustment mechanism (3) to allow the silicone oil to leak from the leakage port (141). After most of the silicone oil has leaked, the support plate (21) is moved into the receiving groove (22) by the adjustment mechanism (3). The air pipe (41) is raised to allow the air bag (42) to enter the sample cup (14). Then, the air pipe (41) is deflated to allow the high-elastic sponge (43) on the surface of the air bag (42) to adhere to the inner wall of the sample cup (14). The mounting cylinder (2) is rotated to allow the high-elastic sponge (43) to scrape off the silicone oil adhering to the sample cup (14). Finally, the air pipe (41) is retracted, and the high-elastic sponge (43) is cleaned by the cleaning component (5) and the support plate (21) is returned to its original position.
Citation Information
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