Gear box filter with blocking early warning function

Abstract

The utility model relates to the technical field of gearbox filters, in particular to a gearbox filter with a blocking early warning function, which comprises a filter cartridge, a first oil pressure sensor is fixedly mounted at the top of an oil inlet pipe, and a second oil pressure sensor is fixedly mounted on the left side of an oil outlet pipe. And a temperature sensor is fixedly mounted at the top of the oil outlet pipe. According to the gearbox filter with the blocking early warning function, unfiltered oil pressure data at the oil inlet pipe of the filter cartridge are detected through the first oil pressure sensor, impurities in lubricating oil are filtered out through the filter screen pipe, then the filtered lubricating oil is discharged into the oil outlet pipe through the filter screen pipe, and filtered oil pressure data are detected through the second oil pressure sensor; meanwhile, a temperature sensor is used for detecting oil temperature data of the oil outlet pipe, oil pressure data at the two positions and filtered oil temperature data are fed back to a control system for data comparison, the blockage condition in the filter cartridge is conveniently detected, and early warning display is conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of gearbox filters, in particular to a gearbox filter with a blockage warning function. Background Technique

[0002] The filter is a relatively important component in the gearbox lubrication system. To reduce the wear of parts, it is necessary to transport it to the friction surfaces of each moving part to form a lubricating oil film for lubrication. The lubricating oil itself contains a certain amount of colloid, impurities, moisture and additives. If the lubricating oil enters the lubricating oil path directly without passing through the filter element, the impurities contained in the lubricating oil will be brought into the friction surfaces of the moving pairs, accelerating the wear of parts and reducing the service life of the gearbox. Therefore, the filter is a very important device in the gearbox.

[0003] After retrieval, a filter blockage alarm control system for a gearbox lubrication system is disclosed in the utility model patent with the Chinese patent number CN220668332U. The filter blockage alarm control system in this utility model patent uses a temperature sensor to detect the oil temperature data at the oil inlet of the electric pump group and a pressure sensor to detect the oil pressure data at the oil inlet of the filter element structure, so as to monitor and warn the blockage situation of the filter. However, when the filter is blocked inside, the oil discharge volume at the oil outlet of the filter will decrease. At this time, the oil pressure at the oil outlet will decrease, and the oil pressure and oil temperature when the filter is blocked inside will increase relatively. The temperature data detected by the temperature sensor in this filter blockage alarm control system comes from the oil temperature value discharged during the operation of the gearbox, and the pressure data detected by the pressure sensor comes from the oil pressure value discharged during the operation of the gearbox, and it cannot directly detect the oil temperature and oil pressure when the filter is blocked inside. Therefore, the data detection accuracy of the filter blockage alarm control system for this gearbox lubrication system still needs to be further improved. Therefore, a gearbox filter with a blockage warning function is proposed. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a gearbox filter with a blockage warning function, which has the advantage of accurately obtaining the lubricating oil data inside the filter, and solves the problem that the filter blockage alarm control system of the gearbox lubrication system in the above background technology cannot directly detect data for the filter and there is still room for improvement in data detection accuracy.

[0005] To achieve the above object, the utility model provides the following technical solution: A gearbox filter with a blockage warning function, including a filter cylinder, a filter anti-blocking structure is arranged inside the filter cylinder, and a warning structure is arranged outside the filter cylinder;

[0006] The filtering and anti-blocking structure includes a filter screen tube fixed inside the filter cylinder. An installation ring is fixedly connected to the outside of the filter screen tube. A shaft ring seat is rotatably connected to the outside of the installation ring. A burr roller is rotatably connected to the inside of the shaft ring seat. A micro motor is fixedly installed on the left side of the filter cylinder.

[0007] The warning structure includes an oil inlet pipe fixed to the right side of the filter cylinder. A first oil pressure sensor is fixedly installed on the top of the oil inlet pipe. An oil outlet pipe is fixedly connected to the top of the filter cylinder. A second oil pressure sensor is fixedly installed on the left side of the oil outlet pipe. A temperature sensor is fixedly installed on the top of the oil outlet pipe.

[0008] Furthermore, the number of the installation rings is two, which are respectively located at the outer top and outer bottom of the filter screen tube. The shaft ring seat includes a collar rotatably connected to the outside of the two installation rings. Four support rods are rotatably connected to the opposite sides of the two collars and are distributed in a circular array.

[0009] Furthermore, the number of the burr rollers is four. The four burr rollers are respectively fixedly connected to the outside of the four support rods, and the four burr rollers are all in contact with the outside of the filter screen tube. A first bevel gear is fixedly connected to the top of one of the collars. A column groove is formed inside the first bevel gear, and the first bevel gear is rotatably connected to the outside of one of the installation rings through the column groove.

[0010] Furthermore, the output end of the micro motor is fixedly connected to a second bevel gear. The right end of the second bevel gear meshes with the outside of the first bevel gear. A fixing plate is fixedly connected to the top of the filter cylinder. The second bevel gear is rotatably connected to the inside of the fixing plate.

[0011] Furthermore, the oil inlet pipe is externally connected to the oil outlet port of a pump. A first induction end is arranged at the bottom of the first oil pressure sensor. A first piezoelectric film is arranged at the bottom of the first induction end. The oil outlet pipe is externally connected to the oil inlet port of an oil temperature cooler.

[0012] Furthermore, a second induction end is arranged on the right side of the second oil pressure sensor. A second piezoelectric film is arranged on the right side of the second induction end. A temperature induction patch is fixedly connected to the bottom of the temperature sensor. The temperature induction patch is in contact with the top of the oil outlet pipe.

[0013] Furthermore, a slag discharge pipe is fixedly connected to the left bottom of the filter cylinder. A first valve structure is movably installed on the front of the slag discharge pipe. An exhaust pipe is fixedly connected to the top of the oil outlet pipe. The exhaust pipe is of a ring structure, and a second valve structure is movably installed on the front of the exhaust pipe. Beneficial effects

[0014] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0015] The gearbox filter with a blocking warning function detects the unfiltered oil pressure data at the inlet pipe of the filter cartridge through the first oil pressure sensor, filters impurities from the lubricating oil using the filter mesh pipe, then discharges the filtered lubricating oil into the outlet pipe through the filter mesh pipe, detects the filtered oil pressure data using the second oil pressure sensor, and simultaneously detects the oil temperature data of the outlet pipe using the temperature sensor. At this time, the oil pressure data at both places and the filtered oil temperature data are fed back to the control system for data comparison to facilitate detecting the blockage condition inside the filter cartridge and giving a warning display. Description of the Drawings

[0016] Figure 1 It is an overall cross-sectional view of the filter cartridge structure of the present utility model;

[0017] Figure 2 is Figure 1 A schematic diagram of the structure of the shaft collar seat in the [perspective];

[0018] Figure 3 is Figure 2 A schematic diagram of a partial structure in the [perspective];

[0019] Figure 4 is Figure 1 A schematic diagram of the structure of the outlet pipe in the [perspective].

[0020] In the figure: 1. Filter cartridge; 2. Filter anti-blocking structure; 201. Filter mesh pipe; 202. Installation ring; 203. Shaft collar seat; 2031. Sleeve ring; 2032. Support rod; 204. Burr roller; 205. Micro motor; 3. Warning structure; 301. Inlet pipe; 302. First oil pressure sensor; 303. Outlet pipe; 304. Second oil pressure sensor; 305. Temperature sensor; 4. Slag discharge pipe; 5. Exhaust pipe. Detailed Embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1-4, A gearbox filter with a blockage warning function, including a filter cylinder 1. Inside the filter cylinder 1, there is a filter anti-blocking structure 2. Outside the filter cylinder 1, there is a warning structure 3. At the bottom left of the filter cylinder 1, there is a slag discharge pipe 4 fixedly connected. By opening the first valve on the front of the slag discharge pipe 4, the residue left after filtration is discharged. At the top of the oil outlet pipe 303, there is an exhaust pipe 5 fixedly connected. By opening the second valve, the waste gas generated during the operation of the filter cylinder 1 is discharged.

[0023] The filter anti-blocking structure 2 includes a filter mesh tube 201 fixed inside the filter cylinder 1. Outside the filter mesh tube 201, there is a mounting ring 202 fixedly connected. On the outside of the mounting ring 202, there is a collar seat 203 rotatably connected. The collar seat 203 rotates on the mounting ring 202. Inside the collar seat 203, there is a burr roller 204 rotatably connected. By using the burr roller 204 to roll and brush against the holes of the filter mesh tube 201, the blocked residue is scraped off. On the left side of the filter cylinder 1, there is a micro motor 205 fixedly installed. By using the micro motor 205 to drive the second bevel gear, the first bevel gear at the top of one of the collar 2031 is driven.

[0024] The warning structure 3 includes an oil inlet pipe 301 fixed on the right side of the filter cylinder 1. At the top of the oil inlet pipe 301, there is a first oil pressure sensor 302 fixedly installed. By using the first oil pressure sensor 302, the oil pressure data before filtration is detected. At the top of the filter cylinder 1, there is an oil outlet pipe 303 fixedly connected. On the left side of the oil outlet pipe 303, there is a second oil pressure sensor 304 fixedly installed. The second oil pressure sensor 304 detects the oil pressure data when discharging oil after filtration. At the top of the oil outlet pipe 303, there is a temperature sensor 305 fixedly installed. By using the temperature sensor 305, the oil temperature data when discharging oil after filtration is detected.

[0025] According to Figure 1 and Figure 2 As shown, the two mounting rings 202 are coaxially sleeved on the outer top and outer bottom of the filter mesh tube 201 respectively. On the outside of the two mounting rings 202, there are collars 2031 rotatably installed. On the opposite sides of the two collars 2031, there are four struts 2032 distributed in a circular array rotatably installed. On the outside of each strut 2032, there is a burr roller 204 coaxially fixed.

[0026] According to Figure 1 and Figure 2 As shown, the micro motor 205 drives the second bevel gear. The fixed plate can maintain the stable rotation of the second bevel gear. By using the second bevel gear to mesh with the first bevel gear at the top of one of the collar 2031, the collar seat 203 and the burr roller 204 inside it rotate. The four burr rollers 204 roll on the outside of the filter mesh tube 201, which is convenient for scraping off the impurities blocked on the filter mesh structure and improving the oil filtering efficiency of the filter mesh tube 201.

[0027] According to Figure 1 andFigure 4 As shown, the inlet oil pipe 301 is externally connected to the oil outlet port of the pump unit. The first oil pressure sensor 302 uses its first induction end to detect the oil pressure before filtration. The signal processor inside the first oil pressure sensor 302 transmits the piezoelectric signal generated by the first induction end to the externally connected control system. The outlet oil pipe 303 is externally connected to the oil inlet port of the oil temperature cooler. The second oil pressure sensor 304 uses its second induction end to detect the oil pressure during oil drainage after filtration. The signal processor inside the second oil pressure sensor 304 transmits the piezoelectric signal generated by the second induction end to the control system.

[0028] According to Figure 1 and Figure 4 As shown, the temperature sensor 305 uses its temperature sensing patch to detect the oil outlet temperature of the outlet oil pipe 303. Because when the filter is blocked inside, the oil discharge volume at the filter outlet will decrease. At this time, the oil pressure at the outlet will decrease, and the oil pressure and oil temperature inside the filter will increase relatively when it is blocked. After data comparison, the changes in oil pressure and oil temperature are reflected to detect the operation of the filter cartridge 1.

[0029] According to Figure 2 and Figure 3 As shown, open the first valve to discharge the remaining residue through the slag discharge pipe 4, and open the second valve to discharge the waste gas generated during the operation of the filter cartridge 1. At the same time, the exhaust pipe 5 is of a ring structure, which can prevent the rapid discharge of lubricating oil during exhaust, resulting in oil leakage, and has a certain flow buffering effect.

[0030] In summary, for the gearbox filter with a blockage warning function, the lubricating oil to be filtered is introduced into the filter cartridge 1 through the inlet oil pipe 301. The filter screen tube 201 structure is used to intercept impurities in the oil, and they are precipitated by gravity and collected at the slag discharge pipe 4. Then, the micro motor 205 drives the shaft collar seat 203 and the burr roller 204 to rotate through the second bevel gear and the first bevel gear, so that the burr roller 204 rolls on the outside of the filter screen tube 201 to scrape off the blocked impurities, thereby preventing the filter screen tube 201 from being blocked and affecting the oil filtration efficiency. The first oil pressure sensor 302 detects the unfiltered oil pressure data at the inlet oil pipe 301 of the filter cartridge 1, filters the impurities from the lubricating oil using the filter screen tube 201, and then discharges the filtered lubricating oil into the outlet oil pipe 303 through the filter screen tube 201. The second oil pressure sensor 304 detects the filtered oil pressure data, and at the same time, the temperature sensor 305 detects the oil temperature data of the outlet oil pipe 303. At this time, the oil pressure data at the two places and the filtered oil temperature data are fed back to the control system for data comparison, which is convenient for detecting the blockage situation inside the filter cartridge 1 and performing warning display, solving the problem that the filter blockage alarm control system of the gearbox lubrication system in the above background technology cannot directly detect data of the filter and there is still room for improvement in data detection accuracy.

[0031] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A gearbox filter with a blocking warning function, comprising a filter cartridge (1), characterized in that: A filter anti-blocking structure (2) is arranged inside the filter cartridge (1), and an early warning structure (3) is arranged outside the filter cartridge (1); The filter anti-blocking structure (2) includes a filter screen tube (201) fixed inside the filter cartridge (1). An installation ring (202) is fixedly connected to the outside of the filter screen tube (201). A shaft ring seat (203) is rotatably connected to the outside of the installation ring (202). A burr roller (204) is rotatably connected to the inside of the shaft ring seat (203). A micro motor (205) is fixedly installed on the left side of the filter cartridge (1); The early warning structure (3) includes an oil inlet pipe (301) fixed to the right side of the filter cartridge (1). A first oil pressure sensor (302) is fixedly installed on the top of the oil inlet pipe (301). An oil outlet pipe (303) is fixedly connected to the top of the filter cartridge (1). A second oil pressure sensor (304) is fixedly installed on the left side of the oil outlet pipe (303). A temperature sensor (305) is fixedly installed on the top of the oil outlet pipe (303).

2. The gearbox filter with a blocking warning function according to claim 1, characterized in that: The number of the installation rings (202) is two, and they are respectively located at the outer top and outer bottom of the filter screen tube (201). The shaft ring seat (203) includes a collar (2031) rotatably connected to the outside of the two installation rings (202). Four support rods (2032) distributed in a circular array are rotatably connected to the opposite sides of the two collars (2031).

3. The gearbox filter with a blockage warning function according to claim 2, characterized in that: The number of the burr rollers (204) is four. The four burr rollers (204) are respectively fixedly connected to the outside of the four support rods (2032), and the four burr rollers (204) are all in contact with the outside of the filter screen tube (201). A first bevel gear is fixedly connected to the top of one of the collars (2031). A column groove is formed inside the first bevel gear, and the first bevel gear is rotatably connected to the outside of one of the installation rings (202) through the column groove.

4. The gearbox filter with a blocking warning function according to claim 3, characterized in that: The output end of the micro motor (205) is fixedly connected to a second bevel gear. The right end of the second bevel gear is meshed with the outside of the first bevel gear. A fixing plate is fixedly connected to the top of the filter cartridge (1). The second bevel gear is rotatably connected to the inside of the fixing plate.

5. The gearbox filter with a blocking warning function according to claim 1, wherein: The oil inlet pipe (301) is externally connected to the oil outlet port of a pump. A first induction end is arranged at the bottom of the first oil pressure sensor (302). A first piezoelectric film is arranged at the bottom of the first induction end. The oil outlet pipe (303) is externally connected to the oil inlet port of an oil temperature cooler.

6. The gearbox filter with a blockage warning function according to claim 1, wherein: A second induction end is arranged on the right side of the second oil pressure sensor (304). A second piezoelectric film is arranged on the right side of the second induction end. A temperature induction patch is fixedly connected to the bottom of the temperature sensor (305). The temperature induction patch is in contact with the top of the oil outlet pipe (303).

7. The gearbox filter with a blocking warning function according to claim 1, wherein: A slag discharge pipe (4) is fixedly connected to the left bottom of the filter cartridge (1). A first valve structure is movably installed on the front of the slag discharge pipe (4). An exhaust pipe (5) is fixedly connected to the top of the oil outlet pipe (303). The exhaust pipe (5) is of a ring structure, and a second valve structure is movably installed on the front of the exhaust pipe (5).

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