A ferroscope

Abstract

This application discloses a ferrography instrument comprising a control device and at least one testing device. The control device is provided with multiple control interfaces for connecting to the testing devices. The testing device is configured to execute testing actions according to instructions from the control device to detect metal particles in the oil to be tested. The ferrography instrument can simultaneously process multiple wear tests, is simple to operate, and has high efficiency.

Description

Technical Field

[0001] The present application generally relates to the field of mechanical wear detection, and more particularly to a ferroscope. Background Art

[0002] Ferrography is a novel method for testing mechanical wear. It uses a magnetic field to separate metal particles from oil and arrange them on a substrate according to their size. This method displays the relative concentrations of metal particles of different sizes, allowing analysis of wear within the relevant mechanical equipment. However, existing ferrography instruments typically only have one set of test devices. Testing large equipment often requires separate testing of the wear of multiple functional components to objectively assess the equipment's operating status. Testing each component individually using existing ferrography instruments is time-consuming and complex. Summary of the Invention

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a simple and efficient ferroscope.

[0004] The specific technical solutions are as follows:

[0005] The present application provides a ferrogram, comprising a control device and at least one testing device, wherein the control device is provided with a plurality of control interfaces for connecting to the testing device; the testing device is used to perform testing actions according to the instructions of the control device to test metal particles in the oil to be tested.

[0006] Optionally, the testing device includes a test bench and a test component and an execution component provided on the test bench; the test component includes:

[0007] A substrate, the substrate being used to carry the oil to be tested and the cleaning liquid;

[0008] a first container, the first container being used to hold the oil to be tested, wherein when the air pressure in the first container increases, a first discharge port on the first container can drip the oil to be tested onto the substrate;

[0009] a second container for holding a cleaning liquid, wherein when the air pressure in the second container increases, a second liquid discharge port on the second container can drip the cleaning liquid onto the substrate;

[0010] The execution components include:

[0011] A piston pump comprising a push-pull rod and a pump body, wherein the pump body is provided with an exhaust port, and one end of the push-pull rod cooperates with the inner wall of the pump body to form a piston structure;

[0012] a valve body, wherein an input end of the valve body is connected to the exhaust port, a first output end of the valve body is connected to the first container, and a second output end of the valve body is connected to the second container, and a switch is provided on the valve body. When the switch is in a first position, the input end of the valve body is connected to the first output end of the valve body, and when the switch is in a second position, the input end of the valve body is connected to the second output end of the valve body;

[0013] a slider connected to the other end of the push-pull rod of the piston pump;

[0014] a lead screw extending in a first direction and forming a lead screw auxiliary structure with the slider, wherein the first direction is the movement direction of the push-pull rod;

[0015] a motor, wherein the output end of the motor is connected to the end of the lead screw, and is used to drive the lead screw to rotate around its axis;

[0016] The test bench includes a magnetic field generating mechanism, which is used to generate a magnetic field for testing metal particles in the tested oil.

[0017] Optionally, the control device includes:

[0018] a control module, wherein an output end of the control module is connected to the switch, the motor, and the magnetic field generating mechanism;

[0019] An input module, the output end of which is connected to the input end of the control module, and the input module is used to input various instructions:

[0020] When the control module receives a switch switching instruction input by the user through the input module, the position of the switch can be switched;

[0021] When the control module receives the motor start / stop instruction input by the user through the input module, it can control the start / stop of the motor;

[0022] When the control module receives a magnetic field start / stop instruction input by the user through the input module, it can control the start / stop of the magnetic field generating mechanism.

[0023] Optionally, the actuator further includes a coaxiality compensating member, and the coaxiality compensating member includes:

[0024] a first connecting member, one end of which is connected to the other end of the push-pull rod;

[0025] A second connecting member, one end of which is connected to the slider, and the other end of which cooperates with the other end of the first connecting member to form a spherical auxiliary structure.

[0026] Optionally, the execution component further includes:

[0027] Two position detectors, each for detecting the position of the other end of the push-pull rod, wherein when the other end of the push-pull rod reaches any one of two set positions distributed along the first direction, the corresponding position detector sends a detection signal;

[0028] A processor, wherein the input end of the processor is respectively connected to the output ends of the two position detectors, and the output end of the processor is connected to the input end of the motor. When the processor receives the detection signal, it sends a stop signal to the motor to stop the motor.

[0029] Optionally, the testing device further includes an image acquisition device, which is provided on the testing table and is used to acquire test images of the metal particles under test conditions;

[0030] The control device is further provided with a plurality of databases, wherein the databases store a plurality of test images, each of the test images being divided into a plurality of sets according to the corresponding equipment wear level information;

[0031] The control module is also used to: receive a test image entry instruction input by the user through the input module, the test image entry instruction including the test image captured by the image acquisition device and the corresponding equipment wear level information; store the test image in the corresponding set according to the corresponding equipment wear level information.

[0032] Optionally, the control device is further provided with a display device;

[0033] The control device is provided with a number of regularly updated image recognition models, one corresponding to each piece of equipment wear level information; the control device is further configured to:

[0034] receiving the test image acquired by the image acquisition device in real time;

[0035] Inputting the test images collected by the image acquisition device into the image recognition model one by one to obtain recognition results corresponding to each image recognition model, wherein the recognition results include attribution results and non-attribution results;

[0036] Select at least three test images from the image set whose recognition results correspond to the attribution results as reference images;

[0037] The reference image and the corresponding equipment wear information are displayed on the display device.

[0038] Optionally, a magnetic isolation plate is provided between adjacent test devices.

[0039] The beneficial effects of this application are:

[0040] Since multiple sets of the testing devices are connected to the control device, when multiple groups of tests need to be performed simultaneously, a corresponding number of the testing devices can be turned on to test the metal particles in the oil to be tested, and each group of tests is controlled by only one set of the control device. This not only facilitates user testing but also improves test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0042] Figure 1 A schematic diagram of the overall structure of the ferroscope provided in an embodiment of the present application;

[0043] Figure 2 for Figure 1 Schematic diagram of the structure of the test device;

[0044] Figure 3 for Figure 2 A schematic diagram of the structure of the execution component in [1].

[0045] Figure 4 This is an image of metal particles in the oil when the equipment wear level is "normal";

[0046] Figure 5 This is an image of metal particles in the oil when the equipment wear level is "light";

[0047] Figure 6 This is an image of metal particles in the oil when the equipment wear level is "fatigue";

[0048] Figure 7 This is an image of metal particles in the oil when the equipment wear level is "severe";

[0049] Numbers in the figure: 11, test bench; 121, substrate; 122, first container; 123, second container; 131, piston pump; 132, valve body; 133, slider; 134, screw; 135, motor; 21, operating module; 136, coaxiality compensation part; 1361, first connecting part; 1362, second connecting part; 137, position detector. DETAILED DESCRIPTION

[0050] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant invention and are not intended to limit the invention. It should also be noted that, for ease of description, only portions relevant to the invention are shown in the accompanying drawings.

[0051] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0052] Please refer to Figure 1 , a simple and efficient iron spectrometer provided in this embodiment includes a control device and at least one testing device, the control device is provided with multiple control interfaces for connecting to the testing device; the testing device is used to perform testing actions according to the instructions of the control device to test the metal particles in the oil to be tested.

[0053] Since multiple sets of the testing devices are connected to the control device, when multiple groups of tests need to be performed simultaneously, a corresponding number of the testing devices can be turned on to test the metal particles in the oil to be tested, and each group of tests is controlled by only one set of the control device. This not only facilitates user testing but also improves test efficiency.

[0054] In a preferred embodiment for improving the test accuracy of the test device, the test device includes a test bench 11 and a test component and an execution component provided on the test bench 11; the test component includes:

[0055] A substrate 121, wherein the substrate 121 is used to carry the oil to be tested and the cleaning liquid;

[0056] A first container 122, the first container 122 is used to hold the oil to be tested. When the air pressure in the first container 122 increases, the first liquid discharge port on the first container 122 can drip the oil to be tested onto the substrate 121;

[0057] A second container 123, the second container 123 is used to hold a cleaning liquid. When the pressure in the second container 123 increases, a second liquid discharge port thereon can drip the cleaning liquid onto the substrate 121;

[0058] The execution components include:

[0059] A piston pump 131, comprising a push-pull rod and a pump body, wherein the pump body is provided with an exhaust port, and one end of the push-pull rod cooperates with the inner wall of the pump body to form a piston structure;

[0060] a valve body 132, wherein the input end of the valve body 132 is connected to the exhaust port, the first output end of the valve body 132 is connected to the first container 122, and the second output end of the valve body 132 is connected to the second container 123. The valve body 132 has a switch. When the switch is in the first position, the input end of the valve body 132 is connected to the first output end of the valve body 132, and when the switch is in the second position, the input end of the valve body 132 is connected to the second output end of the valve body 132;

[0061] A slider 133 connected to the other end of the push-pull rod of the piston pump 131;

[0062] A lead screw 134 extends in a first direction and forms a lead screw auxiliary structure with the slider 133 , wherein the first direction is the movement direction of the push-pull rod;

[0063] a motor 135 , wherein an output end of the motor 135 is connected to an end of the lead screw 134 , and is used to drive the lead screw 134 to rotate around its axis;

[0064] The test bench 11 includes a magnetic field generating mechanism, which is used to generate a magnetic field for testing metal particles in the oil being tested.

[0065] like Figure 2 As shown in , since the test device is used to achieve the dripping of the oil to be tested and the cleaning liquid onto the substrate 121 by the actuator, and the motor 135 in the actuator controls the movement of the push-pull rod on the piston pump 131 by driving the screw pair structure composed of the screw 134 and the slider 133, during this process, compared with the method of using a synchronous pulley structure to drive the push-pull rod in the prior art, the speed of the push-pull rod in the first direction in this solution is slower, making it easier to control the travel position of the push-pull rod, and further easier to control the volume of gas pushed into the first container 122 or the second container 123 by the push-pull rod during the travel process, ultimately achieving precise control of the amount of oil to be tested and cleaning liquid dripping onto the substrate 121. Therefore, the test accuracy of the test device is improved.

[0066] In a preferred embodiment for improving the convenience of testing, the control device includes:

[0067] a control module, wherein an output end of the control module is connected to the switch, the motor 135 and the magnetic field generating mechanism;

[0068] An input module, the output end of which is connected to the input end of the control module, and the input module is used to input various instructions:

[0069] When the control module receives a switch switching instruction input by the user through the input module, the position of the switch can be switched;

[0070] When the control module receives the motor start / stop command input by the user through the input module, it can control the start / stop of the motor 135;

[0071] When the control module receives a magnetic field start / stop instruction input by the user through the input module, it can control the start / stop of the magnetic field generating mechanism.

[0072] During the test process, the user can input the switch switching instruction to the input module to control the switch to switch between the first position and the second position, thereby achieving electrical connection between the exhaust port of the piston pump 131 and the first container 121 or the second container 122, thereby achieving the droplet of the oil to be tested or the cleaning liquid onto the substrate 121. The user can further input the motor start and stop instruction to the input module to control the start and stop of the motor 135 to achieve control of the position of the push-pull rod, and ultimately achieve control of the volume of the oil to be tested or the cleaning liquid dropped onto the substrate 121. The user can also input the magnetic field start and stop instruction to the input module to control the start and stop of the magnetic field generating mechanism to achieve testing of the oil to be tested. The above processes can make the testing process more accurate and convenient.

[0073] In a preferred embodiment for improving the test success rate, the execution assembly further includes a coaxiality compensation member 136, and the coaxiality compensation member 136 includes:

[0074] A first connecting member 1361, one end of the first connecting member 1361 is connected to the other end of the push-pull rod;

[0075] The second connecting member 1362 has one end connected to the slider 133 , and the other end cooperates with the other end of the first connecting member 1361 to form a spherical secondary structure.

[0076] In the test device, due to insufficient manufacturing precision, it is easy to cause an angle between the moving direction of the slider 133 and the extension direction of the inside of the pump body. In the test device, the coaxiality compensation part 136 is arranged between the push-pull rod and the slider 133, and the coaxiality compensation part 136 includes the first connecting part 1361 and the second connecting part 1362 that can be rotatably matched. Therefore, when there is an angle between the moving direction of the slider 133 and the extension direction of the inside of the pump body, the interior of the above-mentioned rotatable connection structure can offset the force generated by the slider 133 on the push-pull rod in a direction perpendicular to the extension direction of the inside of the pump body, thereby making the operation of the actuator smoother, the test device smoother when performing the test action, and the success rate of the test higher.

[0077] In a preferred embodiment for preventing damage to the execution component, the execution component further comprises:

[0078] Two position detectors 137, each for detecting the position of the other end of the push-pull rod. When the other end of the push-pull rod reaches any one of two set positions distributed along the first direction, the corresponding position detector 137 sends a detection signal.

[0079] The processor has its input connected to the output of the two position detectors 137, and its output connected to the input of the motor 135. When the processor receives the detection signal, it sends a stop signal to the motor 135 to stop the motor.

[0080] like Figure 3 As shown in , when the push-pull rod reaches the set position driven by the motor 135 and then continues to move forward and reaches the bottom end of the pump body, if the power supply of the motor 135 is not cut off, the pump body may be damaged or the motor 135 may burn out. Therefore, by providing the two position detectors 137 and the processor, when the push-pull rod reaches any set position at either end driven by the motor 135, the processor can automatically cut off the power supply of the motor 135, thereby protecting the actuator.

[0081] In a preferred embodiment for improving the ability to judge the test results, the test device further includes an image acquisition device, which is provided on the test table 11 and is used to acquire test images of the metal particles under test conditions;

[0082] The control device is further provided with a database, wherein a plurality of test images are stored in the database, and each of the test images is divided into a plurality of sets according to the corresponding equipment wear level information;

[0083] The control module is also used to: receive a test image entry instruction input by the user through the input module, the test image entry instruction including the test image captured by the image acquisition device and the corresponding equipment wear level information; store the test image in the corresponding set according to the corresponding equipment wear level information.

[0084] During the multiple tests on the oil, a variety of test results will be produced, that is, under the action of the magnetic field, the metal particles in the oil will be arranged into different forms, such as Figure 4-Figure 7 As shown in the figure, the images of metal particles in the oil are displayed when the equipment wear levels are "normal, light, fatigue, and severe," respectively. The input module can store each test image captured by the image acquisition device into a corresponding set according to the corresponding equipment wear level information. This allows users to practice recognition of these sets and the test images stored therein, thereby improving their ability to interpret test results.

[0085] In a preferred embodiment to further enhance the ability to judge test results, the control device is further provided with a display device;

[0086] The control device is provided with a regularly updated image recognition model; each piece of equipment wear level information corresponds to an image recognition model; the control device is further configured to:

[0087] receiving the test image acquired by the image acquisition device in real time;

[0088] The test images acquired each time by the image acquisition device are input into the image recognition model one by one to obtain recognition results corresponding to each image recognition model, and the recognition results include attribution results and non-attribution results; the attribution result indicates that the identified test image belongs to the image set corresponding to the current image recognition model, and that its corresponding device wear level is the device wear level corresponding to the current image recognition model; the non-attribution result indicates that the identified test image does not belong to the image set corresponding to the current image recognition model, and that its corresponding device wear level is not the device wear level corresponding to the current image recognition model;.

[0089] Select at least three test images from the image set whose recognition results correspond to the attribution results as reference images;

[0090] The reference image and the corresponding equipment wear information are displayed on the display device.

[0091] In this embodiment, the image recognition model is built using a convolutional neural network model.

[0092] In this embodiment, the image recognition model is built using a convolutional neural network. This model is trained using images belonging to a specific category set as positive samples and images from other categories as negative samples. Therefore, when a trained image recognition model is fed any test image, it can determine whether it belongs to that category.

[0093] In the prior art, the identification of ferrography test images is generally performed manually. In this embodiment, an image recognition model is designed to provide users with reference recognition results, providing a reference for identification. In actual use, a recognized test image may be assigned to a class by the image recognition model corresponding to multiple test image sets. In this case, the equipment wear level information corresponding to multiple test image sets is displayed simultaneously. Users can further determine the final recognition result based on experience, thereby improving the accuracy of test image identification.

[0094] In a preferred embodiment for improving the test accuracy, a magnetic isolation plate is provided between adjacent test devices.

[0095] Since the ferrograph is provided with magnetic isolation plates between adjacent test devices, the mutual influence of magnetic fields between adjacent test devices can be effectively isolated, thereby improving the accuracy of the test.

[0096] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the inventive concept. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A ferroscope, characterized in that: The invention comprises a control device and at least one testing device, wherein the control device is provided with a plurality of control interfaces for connecting with the testing device; the testing device is used to perform a testing action according to the instruction of the control device to test the metal particles in the oil to be tested; The test device comprises a test bench (11) and an execution component provided on the test bench (11), wherein the execution component comprises: A piston pump (131), the piston pump (131) comprising a push-pull rod and a pump body, wherein the pump body is provided with an exhaust port, and one end of the push-pull rod cooperates with an inner wall of the pump body to form a piston structure; a valve body (132), wherein the input end of the valve body (132) is connected to the exhaust port, the first output end of the valve body (132) is connected to the first container (122), and the second output end of the valve body (132) is connected to the second container (123); a switching switch is provided on the valve body; when the switching switch is in a first position, the input end of the valve body (132) is connected to the first output end thereof, and when the switching switch is in a second position, the input end of the valve body (132) is connected to the second output end thereof; A slider (133), the slider (133) being connected to the other end of the push-pull rod of the piston pump (131); a lead screw (134), the lead screw (134) extending along a first direction and forming a lead screw substructure with the slider (133), the first direction being the movement direction of the push-pull rod; a motor (135), wherein an output end of the motor (135) is connected to an end of the lead screw (134) and is used to drive the lead screw (134) to rotate around its axis; The test bench (11) comprises a magnetic field generating mechanism, which is used to generate a magnetic field for testing metal particles in the oil being tested; The coaxiality compensating member (136) includes a first connecting member (1361) and a second connecting member (1362) that can be rotatably matched: a first connecting member (1361), one end of the first connecting member (1361) being connected to the other end of the push-pull rod; a second connecting member (1362), one end of the second connecting member (1362) being connected to the slider (133), and the other end of the second connecting member (1362) cooperating with the other end of the first connecting member (1361) to form a spherical secondary structure; The control device includes a control module and an input module; The testing device comprises an image acquisition device, which is arranged on the testing platform (11) and is used to acquire test images of metal particles under test conditions; The control device is further provided with a plurality of databases, wherein the databases store a plurality of test images, each of the test images being divided into a plurality of sets according to the corresponding equipment wear level information; The control module is also used to: receive a test image entry instruction input by the user through the input module, the test image entry instruction including the test image captured by the image acquisition device and the corresponding equipment wear level information; store the test image in the corresponding set according to the corresponding equipment wear level information.

2. The ferroscope according to claim 1, wherein The test bench (11) is also provided with a test assembly, which includes: A substrate (121), the substrate (121) being used to carry the oil to be tested and the cleaning liquid; a first container (122), the first container (122) being used to hold the oil to be tested, and when the air pressure in the first container (122) increases, a first liquid discharge port on the first container (122) can drip the oil to be tested onto the substrate (121); The second container (123) is used to hold a cleaning liquid. When the air pressure in the second container (123) increases, a second liquid discharge port thereon can drip the cleaning liquid onto the substrate (121).

3. The ferroscope according to claim 1, wherein The control device comprises: a control module, wherein an output end of the control module is connected to the switch, the motor (135) and the magnetic field generating mechanism; An input module, the output end of which is connected to the input end of the control module, and the input module is used to input various instructions: When the control module receives a switch switching instruction input by the user through the input module, the position of the switch can be switched; When the control module receives a motor start / stop instruction input by the user through the input module, it can control the start / stop of the motor (135); When the control module receives a magnetic field start / stop instruction input by the user through the input module, it can control the start / stop of the magnetic field generating mechanism.

4. The ferroscope according to claim 1, characterized in that The execution component also includes: Two position detectors (137) are respectively used to detect the position of the other end of the push-pull rod, and when the other end of the push-pull rod reaches any one of two set positions distributed along the first direction, the corresponding position detector (137) sends a detection signal; A processor, wherein the input end of the processor is respectively connected to the output ends of the two position detectors (137), and the output end of the processor is connected to the input end of the motor (135). When the processor receives the detection signal, it sends a stop signal to the motor (135) to stop the motor.

5. The ferroscope according to claim 1, characterized in that The control device is also provided with a display device; The control device is provided with a number of regularly updated image recognition models, one corresponding to each piece of equipment wear level information; the control device is further configured to: receiving the test image acquired by the image acquisition device in real time; Inputting the test images collected by the image acquisition device into the image recognition model one by one to obtain recognition results corresponding to each image recognition model, wherein the recognition results include attribution results and non-attribution results; Select at least three test images from the image set whose recognition results correspond to the attribution results as reference images; The reference image and the corresponding equipment wear information are displayed on the display device.

6. The ferroscope according to any one of claims 1 to 5, characterized in that A magnetic isolation plate is provided between adjacent test devices.

Images