CN116499928A - Viscosity sensor capable of being detected online - Google Patents
Viscosity sensor capable of being detected online Download PDFInfo
- Publication number
- CN116499928A CN116499928A CN202310495714.3A CN202310495714A CN116499928A CN 116499928 A CN116499928 A CN 116499928A CN 202310495714 A CN202310495714 A CN 202310495714A CN 116499928 A CN116499928 A CN 116499928A
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- Prior art keywords
- moving
- piston
- sensor
- magnetic field
- moving pipeline
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- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a viscosity sensor capable of being detected on line, which comprises: the first end of the moving pipeline is closed, and the second end of the moving pipeline is provided with a window; when the device works, the second end of the moving pipeline stretches into the liquid to be detected, so that the liquid to be detected fills the moving pipeline through the window; the piston with the permanent magnet is arranged in the moving pipeline when in operation; the electromagnet is connected with the first end of the moving pipeline and is used for generating magnetic fields in different directions so as to enable the piston to reciprocate in the moving pipeline; and the magnetic field sensor is used for sensing the permanent magnet on the piston so as to detect the movement time of the piston. The viscosity sensor capable of detecting on line is simple in structure, convenient to install and easy to detect, can detect the viscosity of the liquid to be detected in real time only by connecting the second end of the moving pipeline with the liquid to be detected, and can be widely applied to the field of detection of the viscosity of lubricating oil.
Description
Technical Field
The invention relates to the field of lubricating oil viscosity detection, in particular to a viscosity sensor capable of detecting on line.
Background
Viscosity is one of the main indexes for evaluating the lubricating performance of lubricating oil, and is one of the main basis for selecting lubricating oil, and the change reflects the comprehensive influence of oxidation, polymerization, dilution, pollution and mechanical shearing on the oil. Common viscosity detection devices include a falling ball viscometer, a rotary viscometer, a capillary viscometer, a vibrating viscometer and the like, and the basic principle is that the viscosity resistance in liquid is converted into other signals to be detected through detection of a viscometer component, so that the viscosity value of the liquid is obtained.
The above-mentioned viscometer is mostly used for viscosity detection under off-line or laboratory conditions, the detection period is long, the requirement on detection environment is high, and most of the environments in which the engine works are bad, especially large industrial machinery. If the viscosity of the lubricating oil is lower than the usable standard, the viscosity change of the lubricating oil cannot be detected in time, the lubricating oil cannot be replaced in time, and the problems of mechanical damage such as tile burning and clamping and the like are easily caused.
Disclosure of Invention
In order to solve at least one of the technical problems existing in the prior art to a certain extent, the invention aims to provide a viscosity sensor capable of detecting on line.
The technical scheme adopted by the invention is as follows:
an on-line detectable viscosity sensor comprising:
the first end of the moving pipeline is closed, and the second end of the moving pipeline is provided with a window; when the device works, the second end of the moving pipeline stretches into the liquid to be detected, so that the liquid to be detected fills the moving pipeline through the window;
the piston with the permanent magnet is arranged in the moving pipeline when in operation;
the electromagnet is connected with the first end of the moving pipeline and is used for generating magnetic fields in different directions so as to enable the piston to reciprocate in the moving pipeline;
and the magnetic field sensor is used for sensing the permanent magnet on the piston so as to detect the movement time of the piston.
Further, the magnetic field sensor is a hall sensor.
Further, limiting blocks are arranged on the first end and the second end of the moving pipeline.
Further, the second end of the moving pipe is detachable, and the piston is put in or taken out of the moving pipe by detaching the second end.
Further, the magnetic field sensor is disposed near the first end of the moving conduit.
Further, the motion pipeline, the magnetic field sensor and the electromagnet are integrally formed.
Further, a thread structure is arranged on the outer wall of the moving pipeline, and the moving pipeline is fixed on a container of liquid to be detected through the thread structure.
Further, the viscosity sensor also comprises a control circuit and a data acquisition module which are connected with each other; the control circuit is connected with the electromagnet and used for controlling the anode and the cathode of a power supply on the electromagnet; the data acquisition module is connected with the magnetic field sensor and is used for collecting information acquired by the magnetic field sensor.
The beneficial effects of the invention are as follows: the viscosity sensor capable of being detected on line is simple in structure, convenient to install and easy to detect, and the viscosity of the liquid to be detected can be detected in real time only after the second end of the moving pipeline is connected with the liquid to be detected; in addition, the on-line detection of the lubricating oil of the engine in the working state can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description is made with reference to the accompanying drawings of the embodiments of the present invention or the related technical solutions in the prior art, and it should be understood that the drawings in the following description are only for convenience and clarity of describing some embodiments in the technical solutions of the present invention, and other drawings may be obtained according to these drawings without the need of inventive labor for those skilled in the art.
FIG. 1 is a schematic diagram of an on-line detectable viscosity sensor according to an embodiment of the present invention;
FIG. 2 is a front three-dimensional block diagram of an on-line detectable viscosity sensor in accordance with an embodiment of the present invention;
FIG. 3 is a side view three-dimensional block diagram of an on-line detectable viscosity sensor in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of an in-line detectable viscosity sensor application in accordance with an embodiment of the present invention.
Reference numerals: 1-an electromagnet; 2-a magnetic field sensor; 3-piston; 4-permanent magnet; 5-limiting blocks; 6-liquid to be measured; 7-moving pipe.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention. The step numbers in the following embodiments are set for convenience of illustration only, and the order between the steps is not limited in any way, and the execution order of the steps in the embodiments may be adaptively adjusted according to the understanding of those skilled in the art.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Furthermore, in the description of the present invention, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, 2 and 3, the present embodiment provides an on-line detectable viscosity sensor, which is particularly useful for detecting liquids such as lubricating oil.
A moving pipe 7, a first end of which is closed, and a second end of which is provided with a window; when the device works, the second end of the moving pipeline stretches into the liquid to be detected, so that the liquid to be detected fills the moving pipeline through the window;
the piston 3 with the permanent magnet 4 is arranged in the moving pipeline when in operation;
an electromagnet 1 connected with the first end of the moving pipeline and used for generating magnetic fields in different directions so as to enable the piston to reciprocate in the moving pipeline;
and the magnetic field sensor 2 is used for sensing the permanent magnet on the piston so as to detect the movement time of the piston.
The working principle of the viscosity sensor is as follows: and extending the second end of the moving pipeline into the container of the liquid to be tested so that the liquid to be tested flows into the moving pipeline through the window and fills the moving pipeline. A permanent magnet is arranged in the piston and drives the piston to move in the moving pipeline filled with liquid under the action of the electromagnet; by switching the positive and negative poles of the power supply on the permanent magnet, the permanent magnet can be subjected to forces in different directions, so that the piston reciprocates in the motion pipeline. The magnetic field sensor is used for sensing a permanent magnet on the piston, and when the piston reaches a preset position, the magnetic field sensor can obtain a preset signal value, and based on the preset signal value, the movement time of the piston can be detected through the magnetic field sensor. Since the length of the moving pipeline and the magnetic field strength are known, the resistance of the liquid to be measured to the piston can be calculated and obtained through the detected time, so that the viscosity of the liquid to be measured can be calculated. The viscosity sensor of the embodiment can be fixedly arranged on the container of the liquid to be detected, so that the liquid to be detected can be detected in real time.
Further as an alternative embodiment, the magnetic field sensor is a hall sensor. The Hall sensor is a magnetic field sensor manufactured according to the Hall effect, and has small volume and high detection precision.
Referring to fig. 1, further as an alternative embodiment, the first end and the second end of the moving pipe are provided with limiting blocks 5. Limiting blocks are arranged to limit the movement range of the piston.
Further as an alternative embodiment, the second end of the moving conduit is detachable, by which the piston is put in or taken out of the moving conduit. Through the detachable second end, the maintenance and the management of the viscosity sensor are more convenient, for example, different pistons can be replaced or the pistons can be cleaned.
Further as an alternative embodiment, the magnetic field sensor is disposed near the first end of the moving conduit.
Further as an alternative embodiment, the moving pipe, the magnetic field sensor and the electromagnet are integrally formed. The moving pipeline, the magnetic field sensor and the electromagnet are integrated, so that the installation of the viscosity sensor is facilitated, and the volume of the viscosity sensor can be reduced.
Further as an alternative embodiment, a thread structure is arranged on the outer wall of the moving pipeline, and the moving pipeline is fixed on a container of the liquid to be measured through the thread structure. Through simple screw structure, install the container of the liquid that awaits measuring with viscosity sensor, the installation detects, and with low costs.
Further as an optional embodiment, the viscosity sensor further comprises a control circuit and a data acquisition module connected with each other; the control circuit is connected with the electromagnet and used for controlling the anode and the cathode of a power supply on the electromagnet; the data acquisition module is connected with the magnetic field sensor and is used for collecting information acquired by the magnetic field sensor.
The following is a detailed explanation in connection with specific embodiments.
Referring to fig. 4, in a square oil pan filled with lubricating oil, a screw hole of a certain specification is provided on a side surface thereof, and a sensor is fitted from the screw hole. According to the viscosity sensor capable of being detected online, the piston is installed from one side of an opening of the moving pipeline, the moving position of the piston is limited by the limiting block, and then the moving pipeline extends into the oil pan through the threaded hole on the side face, so that lubricating oil enters the moving pipeline and fills the whole pipeline. The electromagnet and the Hall sensor are positioned outside the oil pan and are connected with the control circuit and the data acquisition device. According to the structural scheme of the viscosity sensor, the viscosity sensor is arranged in the oil pan and works together with the engine, so that the viscosity change of lubricating oil can be detected in real time, and the viscosity of the lubricating oil in the oil pan of the engine in a working state is detected on line.
In the foregoing description of the present specification, reference has been made to the terms "one embodiment/example", "another embodiment/example", "certain embodiments/examples", and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the above embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (8)
1. An on-line detectable viscosity sensor comprising:
the first end of the moving pipeline is closed, and the second end of the moving pipeline is provided with a window; when the device works, the second end of the moving pipeline stretches into the liquid to be detected, so that the liquid to be detected fills the moving pipeline through the window;
the piston with the permanent magnet is arranged in the moving pipeline when in operation;
the electromagnet is connected with the first end of the moving pipeline and is used for generating magnetic fields in different directions so as to enable the piston to reciprocate in the moving pipeline;
and the magnetic field sensor is used for sensing the permanent magnet on the piston so as to detect the movement time of the piston.
2. The on-line detectable viscosity sensor of claim 1, wherein the magnetic field sensor is a hall sensor.
3. The on-line detectable viscosity sensor of claim 1, wherein the moving conduit is provided with stop blocks at a first end and a second end.
4. An on-line detectable viscosity sensor according to claim 1, wherein the second end of the moving conduit is removable for insertion or removal of the piston into or from the moving conduit by removal of the second end.
5. An on-line detectable viscosity sensor according to claim 1, wherein the magnetic field sensor is disposed near the first end of the moving conduit.
6. The on-line detectable viscosity sensor of claim 1, wherein the motion tube, the magnetic field sensor, and the electromagnet are integrally formed.
7. The on-line detectable viscosity sensor of claim 1, wherein the outer wall of the moving conduit is provided with a threaded structure by which the moving conduit is secured to a container of liquid to be measured.
8. The on-line detectable viscosity sensor of claim 1, further comprising a control circuit and a data acquisition module interconnected; the control circuit is connected with the electromagnet and used for controlling the anode and the cathode of a power supply on the electromagnet; the data acquisition module is connected with the magnetic field sensor and is used for collecting information acquired by the magnetic field sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310495714.3A CN116499928A (en) | 2023-04-28 | 2023-04-28 | Viscosity sensor capable of being detected online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310495714.3A CN116499928A (en) | 2023-04-28 | 2023-04-28 | Viscosity sensor capable of being detected online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116499928A true CN116499928A (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310495714.3A Pending CN116499928A (en) | 2023-04-28 | 2023-04-28 | Viscosity sensor capable of being detected online |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405561A (en) * | 2023-12-11 | 2024-01-16 | 智火柴科技(深圳)有限公司 | Viscosity sensor capable of stably monitoring for long term |
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2023
- 2023-04-28 CN CN202310495714.3A patent/CN116499928A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405561A (en) * | 2023-12-11 | 2024-01-16 | 智火柴科技(深圳)有限公司 | Viscosity sensor capable of stably monitoring for long term |
| CN117405561B (en) * | 2023-12-11 | 2024-03-08 | 智火柴科技(深圳)有限公司 | Viscosity sensor capable of stably monitoring for long term |
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