Automobile hydraulic suspension oil filling method, system, storage medium and intelligent terminal

Abstract

The present application relates to a method, system, storage medium and intelligent terminal for filling oil of automobile hydraulic suspension, and relates to the field of automobile shock absorbers, which includes performing vacuuming through an oil filling hole and recording the extraction time and the extraction pressure; forming an air pressure change curve based on the extraction time and the extraction pressure; performing fitting based on the air pressure change curve and a preset standard air pressure change curve to obtain a fitting degree; outputting a preset no-flash detection result when the fitting degree is greater than a preset ignoring fitting degree critical value; and outputting a preset flash detection result when the fitting degree is less than a ignoring fitting degree critical value. The present application has the effect of detecting the change of internal air pressure during vacuuming to determine whether there is a flash generating resistance and thus hindering the vacuuming process, and inspecting the inside of the leather cup in advance, thereby improving the rapidity of rubber flash inspection.

Description

Technical Field

[0001] The present application relates to the field of automobile shock absorbers, and in particular to an automobile hydraulic suspension oil filling method, system, storage medium and intelligent terminal. Background Art

[0002] As an important type of shock-absorbing component, rubber shock absorbers have been widely used in various types of machinery, automobiles, railway locomotives, water transport vehicles, airplanes and other aircraft. Compared with steel materials, rubber has a large elastic deformation and a small elastic modulus.

[0003] The engine hydraulic mount needs to be filled with oil before installation. After installing the runner plate, first evacuate the interior through the oil filling hole on the leather cup, and then fill in the shock absorber oil. After the shock absorber oil is filled in, seal the oil filling hole with a steel ball to block the oil filling hole, and then proceed with subsequent installation.

[0004] The prior art has the following problems: during the vacuuming and oiling process, if the leather cup itself has flash due to process problems, it will not be able to be completely vacuumed or completely filled, resulting in a decrease in suspension performance. There is still room for improvement. Summary of the invention

[0005] In order to improve the problem that when the leather cup itself has flash due to process problems, it will not be able to be completely vacuumed and cannot be completely filled, resulting in a decrease in suspension performance, the present application provides an automobile hydraulic suspension oil filling method, system, storage medium and intelligent terminal.

[0006] In a first aspect, the present application provides a method for filling oil in a hydraulic suspension of an automobile, which adopts the following technical solution:

[0007] A method for filling oil of a vehicle hydraulic suspension, comprising:

[0008] Carry out vacuum treatment through the oil filling hole and record the extraction time and extraction pressure;

[0009] Forming an air pressure change curve based on the extraction time and the extraction air pressure;

[0010] Performing a fitting based on the air pressure variation curve and a preset standard air pressure variation curve to obtain a fitting degree;

[0011] When the degree of fit is greater than a preset ignore degree of fit threshold, a preset no-burr detection result is output;

[0012] When the degree of fit is less than a critical value for ignoring the degree of fit, a preset burr detection result is output.

[0013] By adopting the above technical scheme, by detecting the change of internal air pressure during vacuuming, it is determined whether there is any flash generating resistance that hinders the vacuuming process, and the inside of the leather cup is inspected in advance, thereby improving the speed of rubber flash inspection; on the other hand, if there is no flash inside, the process will not affect the leather cup oil filling process, thereby improving the flexibility of rubber flash inspection.

[0014] Optionally, a method for checking the flash detection result is also included, the method comprising:

[0015] After the vacuum is drawn, oil is filled through the oil filling hole, and the oil filling flow rate and filling time are recorded;

[0016] A flow rate variation curve is formed based on the oil filling flow rate and the oil filling time;

[0017] Determine and verify the test result based on the flow rate change curve and the preset standard flow rate change curve;

[0018] Based on the flash detection result, the corresponding equivalent oil filling detection result is found from the preset equivalent database;

[0019] Output a preset human judgment signal when the verification test result is inconsistent with the equivalent oil filling test result;

[0020] When the verification test result is consistent with the equivalent oil filling test result, the flash test result is output.

[0021] By adopting the above technical solution, it is also possible to verify whether there is really a flash by filling with oil. If the two results are consistent, it means that there is a flash. If they are inconsistent, manual judgment is required, which improves the accuracy of the flash inspection of the leather cup. On the other hand, if there is no flash inside, the process itself is an oil filling process, so it will not affect the oil filling process, thereby improving the flexibility of rubber flash inspection.

[0022] Optionally, the method of outputting a preset human judgment signal when the verification test result and the equivalent oil filling test result are inconsistent includes:

[0023] When the equivalent oil filling test result and the verification test result are inconsistent, the corresponding oil is pumped out, and then the vacuuming process and the oil filling process are repeated, and the flash edge test result and the verification test result are re-determined, and the flash edge test result is defined as the updated test result, and the verification test result is defined as the updated verification test result;

[0024] updating the equivalent oil filling detection result based on the updated detection result, and defining the equivalent oil filling detection result as an updated equivalent oil filling detection result;

[0025] When the result of the updated equivalent oil filling test changes, the vacuuming process and the oil filling process are repeated until the result of the updated equivalent oil filling test does not change;

[0026] When the equivalent oil filling test result does not change, if the updated verification test result is consistent with the equivalent oil filling test result, the flash test result is output;

[0027] When the equivalent oil filling test result does not change, if the updated verification test result and the equivalent oil filling test result are still inconsistent, a manual judgment signal is output.

[0028] By adopting the above technical solution, when it is found that the theoretical curve is inconsistent during the verification process, it means that not all of them are flash, but only a part of them. The other part may be impurities, which can be removed by vacuuming multiple times, thereby improving the cleanliness during the flash detection process and preventing impurities from interfering with the flash detection.

[0029] Optionally, a method for optimizing the flash detection result after oil filling through the oil filling hole after vacuuming is completed is also included, the method comprising:

[0030] Carry out oil filling through the oil filling hole and obtain an ultrasonic image when the verification test result is consistent with the flash test result;

[0031] The redundant area is obtained by comparing the ultrasonic image with a preset standard ultrasonic image without flash;

[0032] Determine the flash position and flash size based on the redundant area and the preset cup center coordinates;

[0033] The burr position and burr size are input into the burr detection result and output.

[0034] By adopting the above technical solution, if burrs are also detected when filling oil, ultrasonic positioning can be performed during the oil filling to further determine the shape and orientation of the burrs, making it easier for subsequent engineers to find and remove the burrs.

[0035] Optionally, a method for checking the position and size of the burr is also included, the method comprising:

[0036] After shaking the hydraulic mount of the automobile, an ultrasonic image is re-obtained, and the ultrasonic image is defined as a shaking ultrasonic image;

[0037] determining a distinguishing area on the slosh sonogram based on the slosh sonogram and the sonogram;

[0038] Repeat the oil extraction and oil filling treatments when the distinguished areas exist;

[0039] When the distinguishing area does not exist, determining the burr position and the burr size, defining the burr position as a check burr position, and defining the burr size as a check burr size;

[0040] Output the check burr position and check burr size;

[0041] When the distinguished areas exist and are always consistent, a preset sticky debris signal is output.

[0042] By adopting the above technical solution, combined with the situation of impurities, if the area where the ultrasonic wave is generated and thought to be the flash moves during the shaking of the leather cup, it means that it is an impurity, and it can be pushed out by hot oil.

[0043] Optionally, the method of repeating the oil extraction process and the oil filling process when the distinguished area exists includes:

[0044] Determine the separation condition based on the distinguished area and the preset oil filling hole size;

[0045] When the disengagement situation is a preset non-disengagement situation, a preset irremovable signal is output;

[0046] When the disengagement condition is a preset disengageable condition, determining the shaking direction based on the distinguishing area and the preset oil filling hole area;

[0047] Before repeated oil extraction, the vehicle hydraulic mount is shaken based on the shaking direction, and it is determined whether the distinguished area is located in the oil filling hole area.

[0048] By adopting the above technical solution, when impurities have been identified, they can be taken out through the oil filling hole as the oil is pumped out. At this time, the impurities are shaken to the vicinity of the oil filling hole, making it easier to remove them during the oil pumping process, thereby improving the efficiency of impurity removal.

[0049] Optionally, the method further includes outputting a signal that cannot be removed when the disengagement situation is a preset non-disengagement situation, the method comprising:

[0050] Get suspension selection material;

[0051] Based on the suspension selection material, the corresponding solvent composition and dissolution ratio are searched from a preset reaction database;

[0052] Determine the total amount of solvent based on the differentiated regions and the solubility ratio;

[0053] When performing the oil filling process, a solvent component corresponding to the total amount of the solvent is added, and the difference area is re-obtained, and the difference area is defined as a dissolution difference area;

[0054] When the dissolution distinction area does not exist or is smaller than the size of the oil filling hole, no signal that the dissolution distinction area cannot be removed is output;

[0055] When the dissolution difference area exists and is larger than the oil filling hole size, the output cannot remove the signal.

[0056] By adopting the above technical solution, a solvent that can dissolve the suspension selection material is selected and mixed into the oil, thereby dissolving the impurities, making it easier to remove some of the internal impurities, thereby improving the efficiency of removing impurities.

[0057] In a second aspect, the present application provides an automobile hydraulic suspension oil filling system, which adopts the following technical solution:

[0058] An automobile hydraulic suspension oil filling system, comprising:

[0059] An acquisition module, used to acquire extraction time, extraction air pressure, oil filling flow rate, oil filling time, ultrasonic image and suspension selection material;

[0060] A memory for storing a program of a control method of any of the above-mentioned methods for filling oil in a hydraulic suspension of an automobile;

[0061] The program in the processor memory can be loaded and executed by the processor to implement any of the above-mentioned control methods for the oil filling method of the automobile hydraulic suspension.

[0062] By adopting the above technical scheme, by detecting the change of internal air pressure during vacuuming, it is determined whether there is any flash generating resistance that hinders the vacuuming process, and the inside of the leather cup is inspected in advance, thereby improving the speed of rubber flash inspection; on the other hand, if there is no flash inside, the process will not affect the leather cup oil filling process, thereby improving the flexibility of rubber flash inspection.

[0063] In the third aspect, the present application provides a smart terminal, which adopts the following technical solution:

[0064] The intelligent terminal comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and execute any one of the above-mentioned methods for filling oil in the hydraulic suspension of an automobile.

[0065] By adopting the above technical scheme, by detecting the change of internal air pressure during vacuuming, it is determined whether there is any flash generating resistance that hinders the vacuuming process, and the inside of the leather cup is inspected in advance, thereby improving the speed of rubber flash inspection; on the other hand, if there is no flash inside, the process will not affect the leather cup oil filling process, thereby improving the flexibility of rubber flash inspection.

[0066] Fourthly, the present application provides a computer storage medium that can store corresponding programs and has the characteristics of fast interaction with memory big data.

[0067] Computer readable storage medium, using the following technical solution:

[0068] A computer-readable storage medium stores a computer program that can be loaded by a processor and execute any of the above-mentioned methods for filling oil in a hydraulic suspension of an automobile.

[0069] By adopting the above technical scheme, by detecting the change of internal air pressure during vacuuming, it is determined whether there is any flash generating resistance that hinders the vacuuming process, and the inside of the leather cup is inspected in advance, thereby improving the speed of rubber flash inspection; on the other hand, if there is no flash inside, the process will not affect the leather cup oil filling process, thereby improving the flexibility of rubber flash inspection.

[0070] In summary, the present application includes at least the following beneficial technical effects:

[0071] By detecting the change of internal air pressure during vacuuming, it is possible to determine whether there is resistance caused by flash and thus hinder the vacuuming process. The inside of the leather cup can be inspected in advance, thus improving the speed of rubber flash inspection.

[0072] Verify whether there is flash by filling oil, which improves the accuracy of cup flash inspection;

[0073] Impurities are removed by vacuuming multiple times, which improves the cleanliness during the flash detection process and prevents impurities from interfering with the flash detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0074] Figure 1 It is a flow chart of a method for filling oil of a hydraulic suspension of an automobile in an embodiment of the present application.

[0075] Figure 2 It is a structural schematic diagram of the automobile hydraulic mount in the embodiment of the present application.

[0076] Figure 3 It is a flow chart of a method for checking burr detection results in an embodiment of the present application.

[0077] Figure 4 It is a flow chart of a method for outputting a preset human judgment signal when the verification test result and the equivalent oil filling test result are inconsistent in an embodiment of the present application.

[0078] Figure 5 It is a flow chart of a method for optimizing flash detection results after oil filling through an oil filling hole after vacuuming in an embodiment of the present application.

[0079] Figure 6 It is a flow chart of a method for checking burr position and burr size in an embodiment of the present application.

[0080] Figure 7 It is a flow chart of a method for repeating oil extraction and oil filling when different areas exist in an embodiment of the present application.

[0081] Figure 8 It is a flowchart of a method for outputting an unremovable signal when the disengagement situation is a preset non-disengagement situation in an embodiment of the present application.

[0082] Fig. 9 It is a system module diagram of a method for filling oil of an automobile hydraulic suspension in an embodiment of the present application. DETAILED DESCRIPTION

[0083] In order to make the purpose, technical solutions and advantages of this application more clear, the following Figure 1-Figure 9 It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0084] The present application embodiment discloses a method for filling oil in a hydraulic suspension of an automobile. Figure 1 , a method for filling oil of a vehicle hydraulic suspension comprises:

[0085] Step 100: Perform vacuum treatment through the oil filling hole and record the extraction time and extraction pressure.

[0086] like Figure 2 The figure shows the structure of a car hydraulic suspension. After the runner plate is installed, the interior is first vacuumed through the oil filling hole on the leather cup, and then the shock absorber oil is poured in. After the shock absorber oil is poured in, the oil filling hole is sealed with a steel ball to block the oil filling hole, and then the subsequent installation is carried out.

[0087] The extraction time is the time for the vacuuming process. It is obtained by timing with a timer, that is, the timer is started when the vacuuming process is performed. The extraction air pressure is the air pressure inside the leather cup during the vacuuming process. It is obtained by converting the resistance encountered by the vacuuming device during the vacuuming process into air pressure.

[0088] Step 101: forming an air pressure variation curve based on the extraction time and the extracted air pressure.

[0089] The air pressure change curve is a curve of air pressure change over time. The method of forming it is to extract time as the horizontal axis, extract air pressure as the vertical axis, and then connect the points at every moment.

[0090] Step 102: performing fitting based on the air pressure variation curve and a preset standard air pressure variation curve to obtain a fitting degree.

[0091] The standard air pressure change curve is the curve of the air pressure change over time during the vacuum treatment when there is no defect inside the leather cup. The fitting degree is the matching degree between the air pressure change curve and the standard air pressure change curve. It is obtained by linear regression model analysis.

[0092] Step 103: Outputting a preset burr-free detection result when the fit degree is greater than a preset ignore fit degree threshold.

[0093] Ignoring the critical value of fit is the tolerable fit value when there is no problem, which is likely to cause deviations due to factors such as the environment and operating methods during the vacuuming process. The result of no flash detection is the result that no flash is detected. The output method is text display.

[0094] When the degree of fit is greater than the critical value of ignoring the degree of fit, it means that the degree of fit is high at this time, and the degree of consistency between the two is high, which means that the difference between them can be ignored, and the conclusion is basically that there is no burr, so the no burr detection result is output.

[0095] Step 104: Outputting a preset burr detection result when the fit degree is less than a critical value for ignoring the fit degree.

[0096] The flash detection result is the result of detecting the flash, which also includes the fitting degree and the pressure change curve. The output is displayed in text.

[0097] When the fit is less than the ignore fit, it means that there is an internal problem. Although the problem is not clear for the time being, it is most likely a flash. Therefore, the flash detection result is output to attract the user's attention for subsequent inspection and maintenance.

[0098] Reference Figure 3 , and also includes a method for checking the flash detection result, the method comprising:

[0099] Step 200: After the vacuum is drawn, oil is injected through the oil injection hole, and the oil injection flow rate and the oil injection time are recorded.

[0100] The oil filling flow rate is the flow rate of oil entering the oil filling hole. It is measured by the flow meter. The oil filling time is the time when the oil filling process starts. It is measured by the timer, that is, the timer is started when the oil filling process is carried out.

[0101] Step 201: forming a flow rate variation curve based on the oil filling flow rate and the oil filling time.

[0102] The flow rate change curve is a curve of the oil filling flow rate changing with time. The method of forming it is to use the extraction time as the horizontal axis and the oil filling flow rate as the vertical axis, and then connect the points at every moment to obtain it.

[0103] Step 202: Determine and verify the test result based on the flow rate change curve and a preset standard flow rate change curve.

[0104] The standard flow rate change curve is a curve of flow rate change over time during the oil filling process when there is no defect inside the leather cup. The verification test result is the result of the test based on the flow rate, which also includes the fit and flow rate change curve. This step is similar to steps 102-104, the only difference is the type of curve, so it will not be repeated here.

[0105] Step 203: searching for a corresponding equivalent oil filling detection result from a preset equivalent database based on the flash detection result.

[0106] The equivalent oil filling test result is the test result of simulating the internal environment of the leather cup according to the current flash test result (the impurities inside the leather cup are flash), that is, the test result after vacuuming and then filling with oil. The database stores the mapping relationship between the flash test result and the equivalent oil filling test result. The staff records the vacuuming and oil filling curves under different flash generation conditions in each flash generation process, and then forms a mapping relationship. When the system receives the flash test result, it first parses the corresponding air pressure curve, then automatically finds the corresponding equivalent oil filling curve from the database, and then outputs the corresponding equivalent oil filling test result.

[0107] Step 204: Outputting a preset human judgment signal when the verification test result and the equivalent oil filling test result are inconsistent.

[0108] The manual judgment signal is a signal for manual judgment. It can be output in the form of text. When the verification test result and the equivalent oil filling test result are inconsistent, it means that the result is a flash-free test result. At this time, it is impossible to determine which one is correct, so further manual judgment is required.

[0109] Step 205: When the verification test result is consistent with the equivalent oil filling test result, the flash test result is output.

[0110] If they are consistent, it means there is burrs, and the burrs detection result can be output.

[0111] Reference Figure 4 The method of outputting a preset human judgment signal when the verification test result and the equivalent oil filling test result are inconsistent includes:

[0112] Step 300: When the equivalent oil filling test result and the verification test result are inconsistent, the corresponding oil is extracted, and then the vacuuming process and the oil filling process are repeated, and the flash detection result and the verification test result are re-determined, and the flash detection result is defined as an updated test result, and the verification test result is defined as an updated verification test result.

[0113] The purpose of extracting the corresponding oil, repeating the vacuum treatment and oil filling treatment, and re-determining the flash detection result and checking the detection result is to determine whether the internal impurities that interfere with the judgment of the flash can be removed through the vacuum treatment and oil filling and extraction treatment.

[0114] Step 301: updating the equivalent oil filling detection result based on the updated detection result, and defining the equivalent oil filling detection result as the updated equivalent oil filling detection result.

[0115] The updating method here is consistent with step 203, that is, the method of searching from the database, which will not be described in detail here.

[0116] Step 302: When the updated equivalent oil filling detection result changes, the vacuuming process and the oil filling process are repeated until the updated equivalent oil filling detection result does not change any more.

[0117] The result of updating the equivalent oil filling test is different from the previous update of the equivalent oil filling test result or the equivalent oil filling test result. If there is a change, there may be impurities inside, and they are now being eliminated, so it is necessary to wait until they are eliminated before analysis.

[0118] Step 303: when the equivalent oil filling test result does not change, if the updated verification test result is consistent with the equivalent oil filling test result, the flash detection result is output.

[0119] When the equivalent oil filling test result does not change, it means that the impurities have been eliminated. At this time, if the updated verification test result is consistent with the equivalent oil filling test result, it means that the two are consistent, and the flash test result can be output.

[0120] Step 304: when the equivalent oil filling detection result does not change, if the updated verification detection result and the equivalent oil filling detection result are still inconsistent, a manual judgment signal is output.

[0121] When the equivalent oil filling test result does not change, it means that the impurities have been eliminated. At this time, if the updated verification test result and the equivalent oil filling test result are still inconsistent, it means that there are other problems or there are problems with the detection devices of the two detection methods, and a manual judgment signal is output.

[0122] Reference Figure 5 , and also includes a method for optimizing the flash detection result after oil filling through the oil filling hole after vacuuming, the method comprising:

[0123] Step 400: Perform oil filling through the oil filling hole and obtain an ultrasonic image when it is determined that the verification test result is consistent with the flash detection result.

[0124] Ultrasonic images are images detected by ultrasonic waves. They are based on the propagation characteristics of sound waves in the medium and the phenomena that occur when they meet the interfaces of different materials, so as to detect material defects such as cracks and holes. The acquisition method is ultrasonic testing.

[0125] Step 401: Compare the ultrasonic image with a preset standard ultrasonic image without burrs to obtain a redundant area.

[0126] The standard ultrasonic image without flash is the image obtained by ultrasonic testing when there is no defect inside the leather cup. The redundant area is the redundant area compared with the standard ultrasonic image without flash, that is, the different area.

[0127] Step 402: Determine the flash position and flash size based on the redundant area and the preset cup center coordinates.

[0128] The cup center coordinates are the coordinates of the cup center in the image. They are set manually. The flash position is the relative position of the redundant area relative to the cup center coordinates. The flash size is the size of the flash, which can be the size in the three-dimensional direction. For convenience, it can be simulated as a three-dimensional cuboid. Since the flash is generally a flat cuboid, an equivalent calculation can be performed in this way.

[0129] Step 403: input the burr position and burr size into the burr detection result and output it.

[0130] The flash position and flash size are input into the flash detection result so that after the final detection result is output, the staff will dismantle the corresponding automobile hydraulic suspension, and then find the corresponding flash at a glance during the flash removal process.

[0131] Reference Figure 6 , and also includes a method for checking the position and size of the burr edge, the method comprising:

[0132] Step 500: reacquire an ultrasonic image after shaking the hydraulic mount of the automobile, and define the ultrasonic image as a shaking ultrasonic image.

[0133] The purpose here is to eliminate whether there are impurities, just like steps 300-304.

[0134] Step 501: Determine a distinguishing area on the shaking ultrasound map based on the shaking ultrasound map and the ultrasound map.

[0135] The difference area is the difference area between the shaking ultrasound image and the ultrasound image. Here, the difference is the difference that exists in the shaking ultrasound image but not in the ultrasound image.

[0136] Step 502: Repeat the oil extraction process and the oil filling process when the distinguished area exists.

[0137] When it exists, it means that the content corresponding to the distinguishing area can be shaken, which means that it can be separated, and it can also be removed through the medium, so oil extraction and oil filling treatments are carried out.

[0138] If oil extraction is performed here, then in the subsequent process, the oil can be filtered to ensure its purity.

[0139] Step 503: When the distinguishing area does not exist, determine the burr position and burr size, define the burr position as the check burr position, and define the burr size as the check burr size.

[0140] When the distinguished area does not exist, it means that after removing the impurities, the excess area is all burrs, then the burr position and burr size can be output normally.

[0141] Step 504: Outputting the verified burr position and verified burr size.

[0142] Step 505: Output a preset sticky debris signal when the distinguished areas exist and are always consistent.

[0143] The sticky debris signal is a signal of debris sticking to the leather cup. When the difference area exists, it means there is impurity, and if it is always consistent, it means that it has been stuck there after shaking and will output the sticky debris signal.

[0144] Reference Figure 7 , the method of repeating the pumping and filling treatments when the distinguishing areas exist includes:

[0145] Step 600: Determine the separation condition based on the distinguished area and the preset oil filling hole size.

[0146] The oil filling hole size is the size of the oil filling hole, which can be the cross-sectional size here. The detachment condition is whether it is possible to detach from the oil filling hole. The determination method is to compare the cross section in any direction of the three-dimensional direction of the distinguishing area with the cross section of the oil filling hole. If it is completely contained in the cross section of the oil filling hole, the detachment condition is that it can detach, and if it is not completely contained in it, it is that it cannot detach.

[0147] Step 601: Output a preset irremovable signal when the disengagement situation is a preset non-disengagement situation.

[0148] The non-detachable situation is a situation where the impurities cannot be detached. The unremovable signal is a signal to inform the staff that there are impurities inside but cannot be removed. The output method can be a text display method on the staff's system. When the detachable situation is a non-detachable situation, it means that there are impurities inside that cannot be removed. In order to remind the staff that this is not a flash, the unremovable signal is output.

[0149] Step 602: When the disengagement condition is a preset disengageable condition, determine the shaking direction based on the distinguishing area and the preset oil filling hole area.

[0150] The detachable condition is the condition where the impurities can be detached. The oil filling hole area is the area aligned with the oil filling hole. The shaking direction is the direction of shaking from the distinguishing area to the oil filling hole area. The determination method is to first determine the center according to the distinguishing area, then determine the center according to the oil filling hole area, and then connect the two.

[0151] Step 603: before repeating the oil extraction process, the hydraulic mount of the vehicle is shaken based on the shaking direction, and it is determined whether the distinguished area is located in the oil filling hole area.

[0152] By shaking the distinguished area to the oil filling hole area, the impurities corresponding to the distinguished area are brought closer to the oil filling hole and are easier to be extracted when pumping oil.

[0153] Reference Figure 8 , and also includes a method for outputting an irremovable signal when the disengagement situation is a preset non-disengagement situation, the method comprising:

[0154] Step 700: Obtain suspension selection material.

[0155] The suspension selection material is the rest of the material except the leather cup. The method of obtaining here is the method of manual input.

[0156] Step 701: Searching for corresponding solvent components and dissolution ratios from a preset reaction database based on the suspension selection material.

[0157] The solvent composition is a component that can be used as a solvent to dissolve the suspension selection material. The dissolution ratio is the ratio between the dosage of the solvent required to dissolve a unit volume of the suspension selection material and the unit volume. The database stores the mapping relationship between the suspension selection material, the solvent composition and the dissolution ratio. It is obtained by the staff in this field based on actual chemical experience and a large number of experiments. When the system receives the corresponding suspension selection material, it automatically finds the corresponding solvent composition and dissolution ratio from the database and outputs them.

[0158] It should be noted that if the suspension selection material does not contain solvent, it can be not output.

[0159] Step 702: Determine the total amount of solvent based on the distinguished areas and the dissolution ratio.

[0160] The total amount of solvent is the total volume of solvent required. Here, the difference area is regarded as a cuboid, and then the volume is calculated by the cuboid to ensure that all the difference areas can be dissolved. The calculation method is to calculate the volume of the cuboid according to the boundary of the difference area, and then multiply it by the dissolution ratio.

[0161] Step 703: adding a solvent component corresponding to the total amount of solvent during the oil filling process, and reacquiring the difference area, and defining the difference area as the dissolution difference area.

[0162] Step 704: When the dissolution distinction area does not exist or is smaller than the size of the oil filling hole, no removal signal is output.

[0163] When the dissolution difference area does not exist, it means that all of them are dissolved, and then they can be removed along the oil. If they are smaller than the size of the oil filling hole, they can be removed by performing steps 602-603. Therefore, they can all be removed, so no signal indicating that they cannot be removed is output.

[0164] Step 705: When the dissolution difference area exists and is larger than the oil filling hole, a signal that the removal is impossible is output.

[0165] When the dissolution difference area exists and is larger than the size of the oil filling hole, it means that it cannot be removed by the dissolution method and cannot be removed through the oil filling hole, and a signal that cannot be removed is output.

[0166] Based on the same inventive concept, an embodiment of the present invention provides an automobile hydraulic suspension oil filling system.

[0167] Reference Fig. 9 , an automobile hydraulic suspension oil filling system, comprising:

[0168] An acquisition module, used to acquire extraction time, extraction air pressure, oil filling flow rate, oil filling time, ultrasonic image and suspension selection material;

[0169] A memory for storing a program of a control method for oil filling of a hydraulic suspension of an automobile;

[0170] The program in the memory can be loaded and executed by the processor to realize a control method for oil filling of a vehicle hydraulic suspension.

[0171] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device and unit described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0172] An embodiment of the present invention provides a computer-readable storage medium storing a computer program capable of being loaded and executed by a processor for a method of filling oil of a hydraulic suspension of an automobile.

[0173] Computer storage media include, for example, various media that can store program codes, such as USB flash drives, mobile hard disks, read-only memories (ROM), random access memories (RAM), magnetic disks or optical disks.

[0174] Based on the same inventive concept, an embodiment of the present invention provides an intelligent terminal, including a memory and a processor, wherein the memory stores a computer program that can be loaded and executed by the processor for a method for filling oil of a vehicle hydraulic suspension.

[0175] The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Any feature disclosed in this specification (including the abstract and drawings), unless otherwise stated, can be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

Claims

1. A method for filling oil of a hydraulic suspension of an automobile, characterized in that: include: Carry out vacuum treatment through the oil filling hole and record the extraction time and extraction pressure; Forming an air pressure change curve based on the extraction time and the extraction air pressure; Performing a fitting based on the air pressure variation curve and a preset standard air pressure variation curve to obtain a fitting degree; When the degree of fit is greater than a preset ignore degree of fit threshold, a preset no-burr detection result is output; When the degree of fit is less than the critical value of ignoring the degree of fit, the preset flash detection result is output; Also included is a method for checking the flash detection result, the method comprising: After the vacuum is drawn, oil is filled through the oil filling hole, and the oil filling flow rate and filling time are recorded; A flow rate variation curve is formed based on the oil filling flow rate and the oil filling time; Determine and verify the test result based on the flow rate change curve and the preset standard flow rate change curve; Based on the flash detection result, the corresponding equivalent oil filling detection result is found from the preset equivalent database; Output a preset human judgment signal when the verification test result is inconsistent with the equivalent oil filling test result; When the verification test result is consistent with the equivalent oil filling test result, the flash test result is output; The method also includes optimizing the flash detection result after oil filling through the oil filling hole after vacuuming, the method comprising: Carry out oil filling through the oil filling hole and obtain an ultrasonic image when the verification test result is consistent with the flash test result; The redundant area is obtained by comparing the ultrasonic image with a preset standard ultrasonic image without flash; Determine the flash position and flash size based on the redundant area and the preset cup center coordinates; Input the flash position and flash size into the flash detection result and output it; Also included is a method for checking the position and size of the burr edge, the method comprising: After shaking the hydraulic mount of the automobile, an ultrasonic image is re-obtained, and the ultrasonic image is defined as a shaking ultrasonic image; determining a distinguishing area on the slosh sonogram based on the slosh sonogram and the sonogram; Repeat the oil extraction and oil filling treatments when the distinguished areas exist; When the distinguishing area does not exist, determining the burr position and the burr size, defining the burr position as a check burr position, and defining the burr size as a check burr size; Output the check burr position and check burr size; Output a preset sticky debris signal when the distinguished area exists and is always consistent; Methods for repeating the pumping and filling treatments when the distinguishing areas exist include: Determine the separation condition based on the distinguished area and the preset oil filling hole size; When the disengagement situation is a preset non-disengagement situation, a preset irremovable signal is output; When the disengagement condition is a preset disengageable condition, determining the shaking direction based on the distinguishing area and the preset oil filling hole area; Before repeated oil extraction, the vehicle hydraulic mount is shaken based on the shaking direction, and it is determined whether the distinguished area is located in the oil filling hole area.

2. The method for filling oil of a vehicle hydraulic mount according to claim 1, characterized in that: The method of outputting a preset human judgment signal when the verification test result and the equivalent oil filling test result are inconsistent includes: When the equivalent oil filling test result and the verification test result are inconsistent, the corresponding oil is pumped out, and then the vacuuming process and the oil filling process are repeated, and the flash edge test result and the verification test result are re-determined, and the flash edge test result is defined as the updated test result, and the verification test result is defined as the updated verification test result; updating the equivalent oil filling detection result based on the updated detection result, and defining the equivalent oil filling detection result as an updated equivalent oil filling detection result; When the result of the updated equivalent oil filling test changes, the vacuuming process and the oil filling process are repeated until the result of the updated equivalent oil filling test does not change; When the equivalent oil filling test result does not change, if the updated verification test result is consistent with the equivalent oil filling test result, the flash test result is output; When the equivalent oil filling test result does not change, if the updated verification test result and the equivalent oil filling test result are still inconsistent, a manual judgment signal is output.

3. The method for filling oil of a vehicle hydraulic mount according to claim 1, characterized in that: Also included is a method for outputting an unremovable signal when the disengagement situation is a preset non-disengagement situation, the method comprising: Get suspension selection material; Based on the suspension selection material, the corresponding solvent composition and dissolution ratio are searched from a preset reaction database; Determine the total amount of solvent based on the differentiated regions and the solubility ratio; When performing the oil filling process, a solvent component corresponding to the total amount of the solvent is added, and the difference area is re-obtained, and the difference area is defined as a dissolution difference area; When the dissolution distinction area does not exist or is smaller than the size of the oil filling hole, no signal that the dissolution distinction area cannot be removed is output; When the dissolution difference area exists and is larger than the oil filling hole size, the output cannot remove the signal.

4. An automobile hydraulic suspension oil filling system, characterized in that: include: An acquisition module, used to acquire extraction time, extraction air pressure, oil filling flow rate, oil filling time, ultrasonic image and suspension selection material; A memory for storing a program of a control method for oil filling of a hydraulic suspension of an automobile according to any one of claims 1 to 3; The program in the memory can be loaded and executed by the processor to implement a control method for filling oil of a vehicle hydraulic suspension as described in any one of claims 1 to 3.

5. Intelligent terminal, characterized in that: The invention comprises a memory and a processor, wherein the memory stores a computer program which can be loaded by the processor and executes a method for filling oil of a hydraulic suspension of an automobile as claimed in any one of claims 1 to 3.

6. A computer-readable storage medium, characterized in that A computer program is stored which can be loaded by a processor and executes a method for filling oil of a hydraulic suspension of an automobile as claimed in any one of claims 1 to 3.

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