CN220084642U - Continuous calibration device of Bosch viscometer - Google Patents
Continuous calibration device of Bosch viscometer Download PDFInfo
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- CN220084642U CN220084642U CN202223438980.2U CN202223438980U CN220084642U CN 220084642 U CN220084642 U CN 220084642U CN 202223438980 U CN202223438980 U CN 202223438980U CN 220084642 U CN220084642 U CN 220084642U
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- heating container
- viscometer
- calibration device
- mucus
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- 238000010438 heat treatment Methods 0.000 claims abstract description 91
- 210000003097 mucus Anatomy 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of Bosch viscometers, in particular to a continuous calibration device of a Bosch viscometer, which comprises a heating container for containing and heating mucus, a peristaltic pump, a through pipe and an on-off valve for being arranged on a capillary outlet of the Bosch viscometer; the top of the heating container is opened; one end of the through pipe is a liquid inlet, the other end of the through pipe is a liquid outlet, and the heating container is communicated with the liquid inlet through a peristaltic pump; the liquid outlet is communicated with the inlet of the capillary tube of the Bosch viscometer, and the top opening of the heating container is arranged towards the outlet of the capillary tube of the Bosch viscometer. The continuous calibration device of the Bosch viscometer can continuously calibrate the Bosch viscometer, does not need to manually add standard viscosity liquid for each calibration, saves labor and time, and improves calibration efficiency.
Description
Technical Field
The utility model relates to the technical field of Bosch viscometers, in particular to a continuous calibration device of a Bosch viscometer.
Background
Bosch viscosity refers to the viscosity value of a 100mL gelatin solution converted from the time it takes to flow through a standard capillary at 60 ℃. Along with the development of viscosity measurement technology, the design of the Bosch viscometer tends to be intelligent and automatic, and the Bosch viscometer on the market has the functions of automatic temperature control, self-timing and intelligent conversion into Bosch viscosity. The Bosch viscometer consists of capillary viscometer, temperature controlling system, photoelectric timer and microcomputer control system.
And (3) in a closed state at the bottom of the capillary, filling the mucus to be tested into the capillary viscosimeter, and starting the photoelectric timing system to test after the system is stable at constant temperature. And (3) opening the bottom of the capillary tube, automatically timing by an instrument when the upper liquid level of the mucus to be detected flows through a photosensitive head at the upper end of the automatic timer, stopping timing when the upper liquid level of the mucus to be detected flows through the photosensitive head at the lower end of the automatic timer, namely, calculating the viscosity of the mucus by using the time t, wherein the time t is the time t for 100mL of the mucus to be detected to flow through a standard capillary tube.
The new-factory Bounce viscometer is inevitably subject to errors due to some unreliability during manufacturing, and therefore calibration is needed to know the error value of the new-factory Bounce viscometer. According to the working principle of the Bosch viscometer, the current method for calibrating the Bosch viscometer is to pour standard viscosity liquid into the capillary viscometer to carry out constant temperature of 60 ℃, the instrument measures the time from the upper end sensing light to the lower end sensing light of the capillary viscometer, the instrument directly displays the Bosch viscosity value according to a built-in formula, and the difference value between the Bosch viscosity value displayed by the instrument and the standard viscosity liquid is the error value of the newly manufactured Bosch viscometer. Conventional measurement methods have a number of disadvantages: the viscosity liquid needs a long time to be kept at 60 ℃, and after one measurement is performed, the second measurement needs to be kept at a constant temperature again, so that time is wasted and a certain error is caused; adding a sample once, only measuring once, and not continuously measuring; manual sample addition is required for each measurement, and the efficiency is too low.
The utility model provides a current Bo's viscometer, includes casing subassembly, measuring subassembly, elevating gear and exhaust treatment device, the casing subassembly includes interior connecting rod, control board, louvre and casing, control board fixed mounting in the surface left side of casing, the surface right side that the right side of controlling the board is close to the casing is fixed to be provided with interior connecting rod, louvre fixed mounting is at the right side surface of casing, control board and external power source electric connection.
The existing Bosch viscometer can still be manually loaded during calibration, and the efficiency is low.
Disclosure of Invention
The utility model provides a continuous calibration device of a Bosch viscometer, which aims to solve the problem of low efficiency of calibration of the Bosch viscometer in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme: a continuous calibration device of a Bosch viscometer comprises a heating container for containing and heating mucus, a peristaltic pump, a through pipe and an on-off valve for being arranged on a capillary outlet of the Bosch viscometer; the top of the heating container is opened; one end of the through pipe is a liquid inlet, the other end of the through pipe is a liquid outlet, and the heating container is communicated with the liquid inlet through a peristaltic pump; the liquid outlet is communicated with the inlet of the capillary tube of the Bosch viscometer, and the top opening of the heating container is arranged towards the outlet of the capillary tube of the Bosch viscometer.
The peristaltic pump is used for pumping the standard mucus in the heating container into a capillary tube of the Bosch viscometer through a tube, and the peristaltic pump is used for conveying the standard mucus through the tube and also used for temporarily storing the standard mucus; when the device is used, standard mucus is put into a capillary tube of the Bosch viscometer and a heating container, then the heating function of the Bosch viscometer is started, the heating container is started, so that the standard mucus in the capillary tube and the standard mucus in the heating container are heated to sixty degrees, then a switching valve is started, the standard mucus in the capillary tube of the Bosch viscometer starts to flow, when the standard mucus in the capillary tube flows to a lower line, the measurement is completed once, then the switching valve is closed, a peristaltic pump is started, and when the standard mucus in the heating container is pumped out and temporarily stored in a tube, the switching valve is opened, so that the standard mucus in the capillary tube flows into the heating container, and meanwhile, the heating container continues to heat the standard mucus in the heating container; at this time, the peristaltic pump continues to work, the standard viscous liquid in the tube is pumped into the capillary tube, and the switching valve is opened, so that the next measurement can be started.
Further, the heating container comprises an inner cylinder for containing mucus, an outer cylinder and a heating element, wherein the inner cylinder is arranged in the outer cylinder, the top of the inner cylinder is opened, the heating element is arranged in the side wall and the bottom wall of the inner cylinder, and an insulating layer is arranged between the inner cylinder and the outer cylinder.
Further, the heating container is communicated with a peristaltic pump through a first hose, and the peristaltic pump is communicated with the liquid inlet through a second hose; the peristaltic pump, the first hose, the second hose and the through pipe are all positioned in the insulation box.
Further, an observation window for observing the passing pipe is arranged on the insulation box, and the passing pipe is a transparent passing pipe.
Further, a thermometer is arranged on the passing pipe for detecting the temperature of the mucus flowing through the passing pipe, and the reading of the thermometer can be watched through a viewing window.
Further, the through pipe is U-shaped.
Further, the through pipe is in a straight shape.
Further, the device also comprises a controller and a temperature sensor for detecting the temperature of mucus in the inner cylinder; the temperature sensor is arranged on the inner wall of the inner cylinder, the switch valve is an electromagnetic valve, and the controller is electrically connected with the heating element, the peristaltic pump, the electromagnetic valve and the temperature sensor.
Further, a detachable cover at the top opening of the heating container is provided with a cover body.
Further, the device also comprises a third hose, one end of the third hose is communicated with an outlet of a capillary tube of the Bosch viscometer, and the other end of the third hose penetrates through the cover body and is communicated with the heating container.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the device is used, standard mucus is put into a capillary tube of the Bosch viscometer and a heating container, then the heating function of the Bosch viscometer is started, the heating container is started, so that the standard mucus in the capillary tube and the standard mucus in the heating container are heated to sixty degrees, then a switching valve is started, the standard mucus in the capillary tube of the Bosch viscometer starts to flow, when the standard mucus in the capillary tube flows to a lower line, the measurement is completed once, then the switching valve is closed, a peristaltic pump is started, and when the standard mucus in the heating container is pumped out and temporarily stored in a tube, the switching valve is opened, so that the standard mucus in the capillary tube flows into the heating container, and meanwhile, the heating container continues to heat the standard mucus in the heating container; at this time, the peristaltic pump continues to work, the standard adhesive liquid passing through the tube is pumped into the capillary tube, and the switching valve is opened, so that the measurement can be started again; through the circulation of the measurement process, the effect of high-efficiency calibration of the Bosch viscometer can be achieved, and standard viscosity liquid does not need to be manually added into a capillary tube during each measurement and calibration, so that the effect of calibrating the Bosch viscometer in a large batch can be achieved;
2. the peristaltic pump, the first hose, the second hose and the passing pipe are all positioned in the insulation box, so that heat loss of standard mucus in the transportation flow process can be reduced, and standard viscosity liquid is ensured to be maintained at sixty ℃ required by measurement and calibration;
3. through setting up the controller, and the controller is all connected with heating member, peristaltic pump, solenoid valve and temperature sensor electricity for can utilize the controller to control solenoid valve, peristaltic pump and heating member, reach automatic temperature control, the effect of automatic switching valve.
Drawings
FIG. 1 is a schematic view showing the overall structure of an embodiment 1 of a continuous calibration apparatus for a Bosch viscometer according to the present utility model;
FIG. 2 is a schematic diagram showing the internal structure of an embodiment 1 of a continuous calibration apparatus for a Bosch viscometer according to the present utility model;
FIG. 3 is a schematic diagram showing the internal structure of a heating vessel in an embodiment of a continuous calibration apparatus for a Bosch viscometer according to the present utility model;
FIG. 4 is a schematic diagram showing the internal structure of an embodiment 2 of a continuous calibration apparatus for a Bosch viscometer according to the present utility model.
In the accompanying drawings: 1. heating the container; 11. an inner cylinder; 12. an outer cylinder; 13. a heating member; 14. a heat preservation layer; 2. a peristaltic pump; 3. passing through a tube; 31. a liquid inlet; 32. a liquid outlet; 4. a first hose; 5. a second hose; 6. an insulation box; 7. an observation window; 8. a thermometer; 9. a temperature sensor; 10. a controller; 15. a cover body; 16. a third hose; 17. and (3) switching the valve.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.
The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 3, a continuous calibration device for a brookfield viscometer according to the present utility model comprises a heating container 1 for holding and heating mucus, a peristaltic pump 2 and a tube 3; the top of the heating container 1 is provided with an opening; one end of the passing pipe 3 is provided with a liquid inlet 31, the other end is provided with a liquid outlet 32, and the heating container 1 is communicated with the liquid inlet 31 through a peristaltic pump 2; the liquid outlet 32 is communicated with the inlet of the capillary tube of the Bosch viscometer, and the top opening of the heating container 1 is arranged towards the outlet of the capillary tube of the Bosch viscometer.
The heating container 1 is used for heating standard mucus in the heating container 1, the peristaltic pump 2 is used for pumping the standard mucus in the heating container 1 into a capillary tube of the Bosch viscometer through the tube 3, and the peristaltic pump is used for conveying the standard mucus through the tube 3 and also used for temporarily storing the standard mucus; when the device is used, standard mucus is put into a capillary tube of the Bosch viscometer and a heating container 1, then the heating function of the Bosch viscometer is started, meanwhile, the heating container 1 is started, so that the standard mucus in the capillary tube and the standard mucus in the heating container 1 are heated to sixty degrees, then a switching valve is started, the standard mucus in the capillary tube of the Bosch viscometer starts to flow, when the standard mucus in the capillary tube flows to a lower line, the measurement is completed, then the switching valve is closed, a peristaltic pump 2 is started, and when the standard mucus in the heating container 1 is pumped out and temporarily stored in a pipe 3, the switching valve is opened, so that the standard mucus in the capillary tube flows into the heating container 1, and meanwhile, the heating container 1 continues to heat the standard mucus in the heating container; at this point the peristaltic pump 2 continues to operate, pumping the standard adhesive through the tube 3 into the capillary tube and opening the on-off valve, and a further measurement can begin. Through the circulation of the measurement process, the effect of high-efficiency calibration of the Bosch viscometer can be achieved, standard viscosity liquid does not need to be manually added into the capillary tube during each measurement calibration, and the effect of calibrating the Bosch viscometer in a large batch can be achieved.
In this embodiment, the heating container 1 includes an inner cylinder 11 for containing mucus, an outer cylinder 12, and a heating element 13, where the inner cylinder 11 is disposed in the outer cylinder 12, the top of the inner cylinder 11 is disposed in an opening, the heating element 13 is disposed in a side wall and a bottom wall of the inner cylinder 11, and an insulation layer 14 is disposed between the inner cylinder 11 and the outer cylinder 12.
Specifically, the inner cylinder 11 and the outer cylinder 12 are coaxially arranged, the tops of the inner cylinder 11 and the outer cylinder 12 are welded and fixed, the heating element 13 is an electric heating wire, the heating element 13 is wound on the outer wall of the inner cylinder 11 and is also arranged at the bottom of the inner cylinder 11, a space is reserved between the inner cylinder 11 and the outer cylinder 12 and is used for accommodating the heating element 13 and the heat preservation layer 14, and the heat preservation layer 14 is made of perlite.
When the standard viscosity liquid in the inner cylinder 11 is heated to 60 ℃, the heating element 13 can be turned off, heating is stopped, the temperature of the standard viscosity liquid is positioned by utilizing the heat preservation effect of the heat preservation layer 14, and when the temperature of the standard viscosity liquid is reduced by about 5-10 ℃, the heating element 13 can be started again to heat the standard viscosity liquid, so that the energy consumption can be reduced.
In this embodiment, the heating container 1 is communicated with the peristaltic pump 2 through the first hose 4, and the peristaltic pump 2 is communicated with the liquid inlet 31 through the second hose 5; the peristaltic pump 2, the first hose 4, the second hose 5 and the through pipe 3 are all positioned in the heat insulation box 6.
Specifically, the first hose 4 penetrates through the inner cylinder 11 and the outer cylinder 12 and is communicated with the peristaltic pump 2, the heat insulation box 6 is square, and polyurethane foam is filled in the heat insulation box 6, so that heat loss of standard mucus in the transportation flowing process can be reduced, and standard viscosity liquid is ensured to be maintained at sixty ℃ required by measurement and calibration.
In this embodiment, the incubator 6 is provided with an observation window 7 for observing the passing tube 3, and the passing tube 3 is a transparent passing tube 3.
Specifically, the tube 3 is made of glass. The side wall of the incubator 6 is provided with an observation port facing the through pipe 3, and double glass is fixed on the observation port, thereby forming an observation window 7 with heat insulation effect, and an operator can observe the real-time condition of the through pipe 3 in the incubator 6 through the observation window 7.
In this embodiment, the passing tube 3 is provided with a thermometer 8 for detecting the temperature of the mucus flowing through the passing tube 3, and the reading of the thermometer 8 can be seen through the observation window 7.
Specifically, the thermometer 8 is vertically inserted in the through pipe 3, and the temperature and the through pipe 3 are fixed together by glass fusion, so that an operator can know the temperature of the standard viscosity liquid in the through pipe 3 through the thermometer 8, and ensure that the standard viscosity liquid is sixty degrees celsius before flowing into the capillary.
In this embodiment, the through pipe 3 has a "U" shape.
The U-shaped through pipe 3 can prolong the time of temporarily storing the standard viscosity liquid in the through pipe 3, so that the standard viscosity liquid in the through pipe 3 can completely flow into the heating container 1 before flowing into the capillary of the Bosch viscometer.
In the embodiment, the device also comprises a controller 10 and a temperature sensor 9 for detecting the temperature of mucus in the inner cylinder 11; the temperature sensor 9 is arranged on the inner wall of the inner cylinder 11, the switch valve is an electromagnetic valve, and the controller 10 is electrically connected with the heating element 13, the peristaltic pump 2, the electromagnetic valve and the temperature sensor 9.
In this embodiment, the controller 10 is a single-chip microcomputer. The controller 10 utilizes the temperature sensor 9 to obtain the temperature of the standard viscosity liquid in the inner cylinder 11, when the temperature of the standard viscosity liquid in the inner cylinder 11 reaches 60 ℃, the controller 10 controls the heating element 13 to stop heating to prevent the temperature from being too high, and when the temperature of the standard viscosity liquid in the inner cylinder 11 is lower than 60 ℃, the controller 10 controls the heating element 13 to start heating, so that the standard viscosity liquid in the heating container 1 can be kept at the temperature of about 60 ℃ all the time, and the effect of automatic temperature control is achieved. And by electrically connecting the controller 10 with the on-off valve and electrically connecting the controller 10 with the Bosch viscometer, the on-off valve is automatically controlled to be opened or closed by the controller 10 through a set program.
Example 2
Referring to fig. 4, in an embodiment 2 of a continuous calibration device for a brookfield viscometer according to the present utility model, the difference between the embodiment and the embodiment 1 is that the through pipe 3 is in a straight shape. The straight through pipe 3 prevents standard mucus from sticking at bends.
In this embodiment, the detachable cover at the top opening of the heating container 1 is provided with a cover body 15.
The cover body 15 is arranged at the top of the inner cylinder 11 through threaded fit, heat dissipation of standard viscosity liquid in the inner cylinder 11 can be reduced through the detachable cover body 15, when the standard viscosity liquid in the capillary tube needs to flow into the heating container 1, the cover body 15 can be screwed and detached, and when the standard viscosity liquid in the capillary tube completely enters the heating container 1, the cover body 15 can be covered on the heating container 1 again.
Example 3
Referring to fig. 4, in an embodiment 3 of a continuous calibration device for a brookfield viscometer according to the present utility model, the difference between the embodiment and the embodiment 2 is that the continuous calibration device further comprises a third hose 16, wherein one end of the third hose 16 is connected to the outlet of the capillary tube of the brookfield viscometer, and the other end of the third hose is connected to the heating container 1 through the cover 15.
Through setting up third hose 16, need not to take off lid 15 also can be with the leading-in heating container 1 of the interior standard viscosity liquid of capillary, saved the step of dismouting lid 15, convenient and fast.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A continuous calibration device of a Bosch viscometer, which is characterized by comprising a heating container (1) for containing and heating mucus, a peristaltic pump (2), a through pipe (3) and an on-off valve (17) for being arranged on a capillary outlet of the Bosch viscometer; the top of the heating container (1) is opened; one end of the passing pipe (3) is provided with a liquid inlet (31), the other end is provided with a liquid outlet (32), and the heating container (1) is communicated with the liquid inlet (31) through a peristaltic pump (2); the liquid outlet (32) is communicated with the inlet of the capillary tube of the Bosch viscometer, and the top opening of the heating container (1) is arranged towards the outlet of the capillary tube of the Bosch viscometer.
2. The continuous calibration device of a brookfield viscometer according to claim 1, wherein the heating container (1) comprises an inner cylinder (11) for containing mucus, an outer cylinder (12) and a heating element (13), the inner cylinder (11) is arranged in the outer cylinder (12), the top of the inner cylinder (11) is arranged in an open manner, the heating element (13) is arranged in the side wall and the bottom wall of the inner cylinder (11), and an insulating layer (14) is arranged between the inner cylinder (11) and the outer cylinder (12).
3. Continuous calibration device of a brookfield viscometer according to claim 1, wherein the heating container (1) is in communication with a peristaltic pump (2) through a first hose (4), the peristaltic pump (2) being in communication with a liquid inlet (31) through a second hose (5); the peristaltic pump (2), the first hose (4), the second hose (5) and the passing pipe (3) are all positioned in the heat insulation box (6).
4. A continuous calibration device for a brookfield viscometer according to claim 3, wherein the incubator (6) is provided with a viewing window (7) for viewing the passing tube (3), the passing tube (3) being transparent passing tube (3).
5. Continuous calibration device of a brookfield viscometer according to claim 4, wherein the passing tube (3) is provided with a thermometer (8) for detecting the temperature of the mucus flowing through the passing tube (3), the reading of the thermometer (8) being viewable through the viewing window (7).
6. Continuous calibration device for a brookfield viscometer according to claim 1, wherein the through tube (3) has a "U" shape.
7. Continuous calibration device of a brookfield viscometer according to claim 1, wherein the through tube (3) is "in-line".
8. Continuous calibration device of a brookfield viscometer according to claim 2, further comprising a controller (10) and a temperature sensor (9) for detecting the temperature of the mucus inside the inner barrel (11); the temperature sensor (9) is arranged on the inner wall of the inner cylinder (11), the switch valve (17) is an electromagnetic valve, and the controller (10) is electrically connected with the heating element (13), the peristaltic pump (2), the electromagnetic valve and the temperature sensor (9).
9. Continuous calibration device for a brookfield viscometer according to claim 1, wherein the detachable lid of the heating container (1) at the top opening is provided with a cover body (15).
10. Continuous calibration device for a brookfield viscometer according to claim 9, further comprising a third hose (16), one end of the third hose (16) being in communication with the outlet of the capillary tube of the brookfield viscometer, the other end being in communication with the heating container (1) through the cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223438980.2U CN220084642U (en) | 2022-12-21 | 2022-12-21 | Continuous calibration device of Bosch viscometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223438980.2U CN220084642U (en) | 2022-12-21 | 2022-12-21 | Continuous calibration device of Bosch viscometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220084642U true CN220084642U (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223438980.2U Active CN220084642U (en) | 2022-12-21 | 2022-12-21 | Continuous calibration device of Bosch viscometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN220084642U (en) |
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- 2022-12-21 CN CN202223438980.2U patent/CN220084642U/en active Active
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