CN114965188A - Metal filing sensor precision test system - Google Patents
Metal filing sensor precision test system Download PDFInfo
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- CN114965188A CN114965188A CN202210571477.XA CN202210571477A CN114965188A CN 114965188 A CN114965188 A CN 114965188A CN 202210571477 A CN202210571477 A CN 202210571477A CN 114965188 A CN114965188 A CN 114965188A
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- metal chip
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- lubricating oil
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 97
- 239000002184 metal Substances 0.000 title claims abstract description 97
- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 239000010687 lubricating oil Substances 0.000 claims abstract description 53
- 239000003921 oil Substances 0.000 claims description 28
- 239000000314 lubricant Substances 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 description 15
- 238000005299 abrasion Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000005294 ferromagnetic effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N2015/1028—Sorting particles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N2015/1029—Particle size
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a metal chip sensor precision testing system which comprises a lubricating oil tank, a lubricating oil pump and a metal chip sensor, wherein the lubricating oil tank is connected with the lubricating oil pump through a first pipeline, the lubricating oil pump is connected with the metal chip sensor through a second pipeline, the metal chip sensor is connected with the lubricating oil tank, and the cross sectional area of the second pipeline is smaller than that of the first pipeline. The metal chip sensor precision testing system provided by the invention has the advantages that the size and the quantity of metal chips for experiments are consistent with the actual condition, and the testing effect can be ensured.
Description
Technical Field
The invention relates to the technical field of sensor precision testing, in particular to a metal chip sensor precision testing system.
Background
The lubricating oil system of the heavy gas turbine can not only ensure the lubrication and heat dissipation of the rotating part, but also take away ferromagnetic and non-ferromagnetic particles such as iron, aluminum, magnesium, copper and the like generated by the rotating part during rotation, and the metal chip sensor of the heavy gas turbine is used for detecting metal chips and reflecting the abrasion condition, so that whether parts need to be maintained or replaced is determined.
In the related art, the accuracy of the oil metal chip sensor of the heavy gas turbine is tested in a mode of not considering the condition of metal chips generated by actual abrasion, and the size and the quantity of the metal chips for experiments have deviation from the actual condition, so that the test effect is influenced.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the invention provides a metal chip sensor precision testing system which has the advantages that the size and the quantity of metal chips for experiments are consistent with the actual situation, and the testing effect can be ensured.
The metal chip sensor precision testing system comprises a lubricating oil tank, a lubricating oil pump and a metal chip sensor, wherein the lubricating oil tank is connected with the lubricating oil pump through a first pipeline, the lubricating oil pump is connected with the metal chip sensor through a second pipeline, the metal chip sensor is connected with the lubricating oil tank, and the cross-sectional area of the second pipeline is smaller than that of the first pipeline.
According to the metal chip sensor precision testing system provided by the embodiment of the invention, the lubricating oil pump is used for driving the lubricating oil in the lubricating oil tank to circulate, and the cross sectional area of the second pipeline is smaller than that of the first pipeline, so that the load of the lubricating oil pump is increased, the abrasion of the lubricating oil pump is accelerated, metal chip particles are generated due to actual abrasion, and therefore, the size and the number of the metal chip particles for experiments in the embodiment are consistent with the actual situation, and the testing effect is ensured.
In some embodiments, the metal chip sensor precision testing system further comprises a lubricant heater, and the lubricant tank is connected with the first pipeline through the lubricant heater.
In some embodiments, the system of the metal chip sensor accuracy testing system further comprises a flow regulating valve, and the lubricating oil tank is connected with the lubricating oil heater through the flow regulating valve.
In some embodiments, the metal chip sensor accuracy testing system further comprises a first temperature pressure sensor and a second temperature pressure sensor, the first temperature pressure sensor is mounted on the first pipeline, and the second temperature pressure sensor is mounted on the second pipeline.
In some embodiments, the accuracy testing system for the metal chip sensor further comprises an oil filter, and the metal chip sensor is communicated with the lubricating oil tank through the oil filter.
In some embodiments, at least a portion of the second tubing is flexible tubing, the at least a portion of the second tubing is adjacent to an oil inlet of the swarf sensor, the swarf sensor precision testing system further includes a third tubing connecting the swarf sensor and the oil filter, the at least a portion of the third tubing is flexible tubing, the at least a portion of the third tubing is adjacent to an oil outlet of the swarf sensor.
In some embodiments, the metal chip sensor precision testing system further comprises a vibration table and a controller, the metal chip sensor is arranged on the vibration table, and the controller is electrically connected with the vibration table.
In some embodiments, the metal chip sensor accuracy testing system further comprises a computer processing system, the computer processing system and the metal chip sensor being electrically connected.
In some embodiments, the metal chip sensor accuracy testing system further comprises a liquid level sensor mounted within the lubricant tank.
In some embodiments, the first temperature and pressure sensor, the second temperature and pressure sensor, the computer processing system, the controller, and the level sensor are each connected to an automatic shutdown protection device.
Drawings
FIG. 1 is a system diagram of a metal chip sensor accuracy testing system according to an embodiment of the present invention.
Reference numerals: 1. a lubricating oil tank; 11. a liquid level sensor; 2. a lubricating oil pump; 3. a metal chip sensor; 31. a vibration table; 32. a controller; 4. a first pipeline; 41. a first temperature pressure sensor; 5. a second pipeline; 51. a second temperature and pressure sensor; 6. a lubricating oil heater; 7. a flow regulating valve; 8. oil filtration; 9. a computer processing system.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A system for testing the accuracy of a metal chip sensor according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, the metal chip sensor precision testing system according to the embodiment of the present invention includes a lubricant tank 1, a lubricant pump 2, and a metal chip sensor 3, where the lubricant tank 1 is connected to the lubricant pump 2 through a first pipeline 4, the lubricant pump 2 is connected to the metal chip sensor 3 through a second pipeline 5, the metal chip sensor 3 is connected to the lubricant tank 1, and a cross-sectional area of the second pipeline 5 is smaller than a cross-sectional area of the first pipeline 4.
It is understood that the oil tank 1, the oil pump 2, and the metal chip sensor 3 constitute a closed circuit for circulating oil.
According to the metal chip sensor precision testing system of the embodiment of the invention, the lubricating oil pump 2 is used for driving the lubricating oil in the lubricating oil tank 1 to circulate in the closed loop, and the cross-sectional area of the second pipeline 5 is smaller than that of the first pipeline 4, so that the load of the lubricating oil pump 2 is increased, the abrasion of the lubricating oil pump 2 is accelerated, and metal chip particles are generated due to actual abrasion, and therefore, the size and the number of the metal chip particles for experiment in the embodiment are consistent with the actual situation, and the testing effect is ensured.
Wherein the metal chip sensor 3 is used to detect the number and size of metal chip particles.
Specifically, the pipe diameter of the second pipeline 5 is smaller than that of the first pipeline 4, i.e. the second pipeline 5 is thinner than the first pipeline 4.
In some embodiments, as shown in fig. 1, the metal chip sensor accuracy testing system further comprises a lubricant heater 6, and the lubricant tank 1 is connected to the first pipeline 4 through the lubricant heater 6.
The oil heater 6 is used to heat oil in the closed circuit. This increases the load on the lubricating oil pump 2, and further accelerates wear of the lubricating oil pump 2. In addition, the rotation speed of the lubricating oil pump 2 can be increased to increase the load thereof, and the above three ways of increasing the load of the lubricating oil pump 2 can accelerate the wear of the lubricating oil pump 2. Therefore, the generation of metal scrap particles is accelerated, and the working efficiency is improved.
In some embodiments, as shown in fig. 1, the system of the metal chip sensor accuracy testing system further comprises a flow regulating valve 7, and the oil tank 1 is connected with the oil heater 6 through the flow regulating valve 7.
The flow regulating valve 7 is used for controlling the flow of the lubricating oil in the closed loop, so that the proper fluid pressure on each part is ensured, and the damage of each part due to high pressure is avoided.
In some embodiments, as shown in fig. 1, the metal chip sensor accuracy testing system further includes a first temperature and pressure sensor 41 and a second temperature and pressure sensor 51, wherein the first temperature and pressure sensor 41 is mounted on the first pipeline 4, and the second temperature and pressure sensor 51 is mounted on the second pipeline 5.
The first temperature-pressure sensor 41 is used to measure the pressure and temperature of the oil flowing in the first pipe 4, and the second temperature-pressure sensor 51 is used to measure the pressure and temperature of the oil flowing in the second pipe 5. According to the measurement data of the two, an operator can know the load degree of the lubricating oil pump 2 in real time, and accordingly the load of the lubricating oil pump 2 is adjusted adaptively.
Wherein the pressure of the lubricating oil can be adjusted by the rotational speed of the lubricating oil pump 2.
In some embodiments, as shown in fig. 1, the metal chip sensor accuracy testing system further comprises an oil filter 8, and the metal chip sensor 3 is communicated with the lubricating oil tank 1 through the oil filter 8.
The oil filter 8 is used to collect the swarf particles after they have passed the swarf sensor 3, after which the number and size of the swarf particles are measured by the relevant equipment, from which the actual value of the swarf particles is obtained.
The measurement of the swarf particles at the swarf sensor 3 is, illustratively, its measurement. The accuracy of the metal chip sensor 3 can be calculated by comparing the actual value and the measured value, thereby checking the accuracy of the metal chip sensor 3. Meanwhile, the design of the oil filter 8 also reduces the influence caused by the false alarm of the metal chip sensor 3.
In some embodiments, at least part of the second pipeline 5 is a flexible pipe, at least part of the second pipeline 5 is adjacent to an oil inlet of the metal chip sensor 3, the metal chip sensor precision testing system further comprises a third pipeline, the third pipeline connects the metal chip sensor 3 and the oil filter 8, at least part of the third pipeline is a flexible pipe, and at least part of the third pipeline is adjacent to an oil outlet of the metal chip sensor 3.
Therefore, when the vibrating table 31 drives the metal chip sensor 3 to vibrate, the flexible pipe part in the second pipeline 5 and the flexible pipe part in the third pipeline can play a good shock absorption and shock resistance effect, so that the fatigue damage resistance of the flexible pipe part is enhanced, and the service lives of the second pipeline 5 and the third pipeline are prolonged.
Specifically, the flexible tube portion in the second pipeline 5 and the flexible tube portion in the third pipeline may each be a metal hose, a rubber tube, or the like.
In some embodiments, as shown in fig. 1, the metal chip sensor precision testing system further comprises a vibration table 31 and a controller 32, the metal chip sensor 3 is arranged on the vibration table 31, and the controller 32 is electrically connected with the vibration table 31.
The vibration table 31 can simulate the working vibration conditions of a heavy-duty gas turbine, thereby creating a working environment closer to the actual working conditions of the metal chip sensor 3 and thus verifying the stability of the metal chip sensor 3. In addition, the vibration table 31 is also used for carrying the metal chip sensor 3.
The controller 32 is used to control the vibration form of the vibration table 31, thereby facilitating the vibration table 31 to create a complex and diverse working environment, so that the stability of the metal chip sensor 3 can be detected from various aspects, and the integrity and accuracy of the detection can be improved.
In some embodiments, as shown in FIG. 1, the metal chip sensor accuracy testing system further comprises a computer processing system 9, the computer processing system 9 being electrically connected to the metal chip sensor 3.
As the swarf particles flow past the swarf sensor 3, an electromotive force is generated, and the amplitude and phase of the output signal of the swarf sensor 3, which is transmitted to the computer processing system 9 and analyzed and processed, reflects the size and type of the swarf particles. The computer processing system 9 may then display the number and size of ferromagnetic or non-ferromagnetic particles flowing past the metal chip sensor 3.
Thus, the design of the computer processing system 9 achieves the effect of processing and presenting the detection data in real time.
The display data of the computer processing system 9 is the measured value of the metal chip sensor 3.
Specifically, the computer processing system 9 and the metal chip sensor 3 are connected by a wire.
In particular, the computer processing system 9 is preferably a computer.
In some embodiments, as shown in fig. 1, the metal chip sensor accuracy testing system further comprises a liquid level sensor 11, and the liquid level sensor 11 is installed in the lubricating oil tank 1.
The liquid level sensor 11 is used for measuring the liquid level height in the lubricating oil tank 1 so as to observe the change of the oil quantity in the lubricating oil tank 1 in real time and ensure the reliability of the experiment.
In some embodiments, the first temperature and pressure sensor 41, the second temperature and pressure sensor 51, the computer processing system 9, the controller 32, and the fluid level sensor 11 are all connected to an automatic shutdown protection device.
When the measured value of each device exceeds a safe value, the automatic shutdown protection device is triggered. Therefore, the metal chip sensor precision testing system can automatically stop and protect to reduce the damage of parts.
According to the metal chip sensor precision testing system provided by the embodiment of the invention, the pipe diameter difference of the first pipeline 4 and the second pipeline 5, the lubricating oil temperature and the rotating speed of the lubricating oil pump 2 are used as acceleration factors of the abrasion of the lubricating oil pump 2, so that the abrasion of the lubricating oil pump 2 is accelerated in many ways. The metal filing particles produced by the method are closer to the actual working condition, and the accuracy of the metal filing sensor 3 is more reasonable to detect.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although the above embodiments have been shown and described, it should be understood that they are exemplary and not intended to limit the invention, and that various changes, modifications, substitutions and alterations can be made herein by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. A metal chip sensor accuracy testing system, comprising:
lubricating oil tank (1), lubricating oil pump (2) and metal fillings sensor (3), lubricating oil tank (1) through first pipeline (4) with lubricating oil pump (2) link up, lubricating oil pump (2) through second pipeline (5) with metal fillings sensor (3) link up, metal fillings sensor (3) with lubricating oil tank (1) links up, the cross-sectional area of second pipeline (5) is less than the cross-sectional area of first pipeline (4).
2. The metal chip sensor accuracy testing system according to claim 1, characterized in that it further comprises a lubricant heater (6), said lubricant tank (1) being connected to said first conduit (4) through said lubricant heater (6).
3. A system for the precision testing of a metal chip sensor according to claim 2, characterized in that it further comprises a flow regulating valve (7), said lubricant tank (1) being connected to said lubricant heater (6) through said flow regulating valve (7).
4. A metal chip sensor accuracy testing system according to claim 1, characterized in that it further comprises a first temperature and pressure sensor (41) and a second temperature and pressure sensor (51), said first temperature and pressure sensor (41) being mounted to said first pipe (4) and said second temperature and pressure sensor (51) being mounted to said second pipe (5).
5. A system for the precision testing of a metal chip sensor according to claim 4, characterized in that it further comprises an oil filter (8), said metal chip sensor (3) being in communication with said lubricant tank (1) through said oil filter (8).
6. A metal chip sensor accuracy testing system according to claim 5, characterized in that at least part of said second line (5) is a flexible pipe, said at least part of said second line (5) being adjacent to an oil inlet of said metal chip sensor (3), said metal chip sensor accuracy testing system further comprising a third line connecting said metal chip sensor (3) and said oil filter (8), said at least part of said third line being a flexible pipe, said at least part of said third line being adjacent to an oil outlet of said metal chip sensor (3).
7. A metal chip sensor accuracy testing system according to claim 4, characterized in that it further comprises a vibration table (31) and a controller (32), said metal chip sensor (3) being arranged on said vibration table (31), said controller (32) being electrically connected to said vibration table (31).
8. A metal chip sensor accuracy testing system according to claim 7, characterized in that it further comprises a computer processing system (9), said computer processing system (9) being electrically connected with said metal chip sensor (3).
9. A metal chip sensor accuracy testing system according to claim 8, characterized in that it further comprises a level sensor (11), said level sensor (11) being mounted in said lubricant tank (1).
10. The metal filing sensor accuracy testing system of claim 9, wherein the first temperature pressure sensor (41), the second temperature pressure sensor (51), the computer processing system (9), the controller (32), and the level sensor (11) are all connected to an automatic shutdown protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210571477.XA CN114965188A (en) | 2022-05-24 | 2022-05-24 | Metal filing sensor precision test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210571477.XA CN114965188A (en) | 2022-05-24 | 2022-05-24 | Metal filing sensor precision test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114965188A true CN114965188A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210571477.XA Pending CN114965188A (en) | 2022-05-24 | 2022-05-24 | Metal filing sensor precision test system |
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| Country | Link |
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| CN (1) | CN114965188A (en) |
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- 2022-05-24 CN CN202210571477.XA patent/CN114965188A/en active Pending
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