CN217926573U - Oil filtering system of hydraulic oil station - Google Patents
Oil filtering system of hydraulic oil station Download PDFInfo
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- CN217926573U CN217926573U CN202221433676.6U CN202221433676U CN217926573U CN 217926573 U CN217926573 U CN 217926573U CN 202221433676 U CN202221433676 U CN 202221433676U CN 217926573 U CN217926573 U CN 217926573U
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Abstract
The utility model discloses an oil filtering system of hydraulic pressure oil station, including the hydraulic pressure oil station, the oil filter device, first granularity sensor and first solenoid valve, the hydraulic pressure oil station is equipped with first oil-out and first oil inlet, the oil filter device is through first pipe connection in first oil-out, and through second pipe connection in first oil inlet, the oil filter device is used for filtering the hydraulic oil in the hydraulic pressure oil station, first pipeline is located to first granularity sensor and is used for detecting the granularity of the hydraulic oil in the first pipeline, first solenoid valve is located first pipeline and is located between first granularity sensor and the oil filter device, first solenoid valve electricity is connected in first granularity sensor and is used for receiving the signal of telecommunication of first granularity sensor, with the break-make according to the break-make of being connected of the first pipeline of signal of telecommunication control and oil filter device. Adopt the utility model discloses a scheme can realize the automatic cycle oil strain to hydraulic oil station, need not the dismouting pipeline, avoids hydraulic oil and environment to receive the pollution.
Description
Technical Field
The utility model relates to a hydraulic equipment technical field especially relates to an oil strain system of hydraulic pressure oil station.
Background
Since hydraulic oil of a hydraulic oil station of a power plant is easily contaminated, filtering is required. In the related art, hydraulic oil is usually required to be sampled and detected periodically, and after sampling is found to be unqualified, the hydraulic oil station is connected with an oil filter to filter oil. However, before oil filtering, the pipeline of the oil outlet of the hydraulic oil station needs to be detached and connected to the oil filter, so that dust in the air enters the pipeline to pollute the hydraulic oil, and meanwhile, the residual hydraulic oil in the pipeline is also sprayed to the ground to pollute the environment.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model discloses oil filtration system at hydraulic oil station, hydraulic oil that can automated inspection hydraulic oil station carries out circulation oil strain, need not the dismouting pipeline, avoids hydraulic oil and environment to receive the pollution.
In order to achieve the above object, the utility model discloses an oil strain system of hydraulic oil station, include:
the hydraulic oil station is provided with a first oil outlet and a first oil inlet;
the oil filtering device is connected to the first oil outlet through a first pipeline and connected to the first oil inlet through a second pipeline and is used for filtering hydraulic oil in the hydraulic oil station;
the first particle size sensor is arranged on the first pipeline and used for detecting the particle size of the hydraulic oil in the first pipeline; and
the first electromagnetic valve is arranged on the first pipeline and located between the first particle size sensor and the oil filtering device, the first electromagnetic valve is electrically connected to the first particle size sensor, and the first electromagnetic valve is used for receiving an electric signal of the first particle size sensor so as to control the connection of the first pipeline and the oil filtering device to be switched on and off according to the electric signal.
As an optional implementation manner, in an embodiment of the present invention, the number of the hydraulic oil stations is multiple, and the multiple hydraulic oil stations are arranged in parallel;
the first pipeline comprises a first main pipeline and a plurality of first branch pipelines, the plurality of first branch pipelines are respectively connected to the first oil outlets of the plurality of hydraulic oil stations one by one, each first branch pipeline is provided with the first granularity sensor and the first electromagnetic valve, the first electromagnetic valve is arranged between the first granularity sensor and the first main pipeline, one end of the first main pipeline is connected to the plurality of first branch pipelines, and the other end of the first main pipeline is connected to the oil filtering device.
As an optional implementation manner, in an embodiment of the present invention, the second pipeline includes a second main pipeline and a plurality of second branch pipelines, the plurality of second branch pipelines are respectively connected to the first oil inlets of the plurality of hydraulic oil stations one by one, one end of the second main pipeline is connected to the plurality of second branch pipelines, and the other end of the second main pipeline is connected to the oil filtering device;
and a second electromagnetic valve is arranged on each second branch pipeline and is electrically connected with the first granularity sensor, and the second electromagnetic valve is used for receiving an electric signal of the first granularity sensor so as to control the connection of the second branch pipeline and the first oil inlet to be switched on and off according to the electric signal.
As an optional implementation manner, in an embodiment of the present invention, the oil filtering system further includes a control device, and the control device is electrically connected to each of the first particle size sensor, each of the first electromagnetic valves, and each of the second electromagnetic valves;
the control device is configured to receive electrical signals of the first particle size sensors, so as to control the first electromagnetic valve and the second electromagnetic valve on the pipeline corresponding to the first particle size sensor with the largest detected particle size to be opened, and control the first electromagnetic valve and the second electromagnetic valve on the other pipelines to be closed.
As an optional implementation way, in the embodiment of the utility model, be equipped with the second granularity sensor on the second trunk line, the second granularity sensor is used for detecting in the second trunk line the granularity of hydraulic oil.
As an optional implementation manner, in the embodiment of the utility model, the second trunk line includes main pipeline, first branch road pipeline and second branch road pipeline, the one end of main pipeline connect in the oil filter device, the other end of main pipeline connect in first branch road pipeline with the second branch road pipeline, be equipped with on the main pipeline the second particle size sensor, first branch road pipeline connect in the second branch road pipeline, be equipped with the third solenoid valve on the first branch road pipeline, the third solenoid valve is used for the basis the signal of electric control of second particle size sensor the main pipeline with the break-make of the connection of first branch road pipeline, the second branch road pipeline connect in the first trunk line, be equipped with the fourth solenoid valve on the second branch road pipeline, the fourth solenoid valve is used for the basis the signal of electric control of second particle size sensor the main pipeline with the break-make of second branch road pipeline.
As an optional implementation manner, in the embodiment of the present invention, the oil filtering system further includes a pumping device, the pumping device is disposed in the second pipeline, and the pumping device is configured to pump the hydraulic oil in the oil filtering device to the first oil inlet.
As an optional implementation manner, in the embodiment of the utility model, the pumping installations includes the second oil inlet, second oil inlet pipe connection in the oil filter device, be equipped with level sensor on the second oil inlet, level sensor is used for detecting the liquid level of second oil inlet, level sensor electricity connect in pumping installations, pumping installations still be used for the basis level sensor's the signal of telecommunication is in order to adjust the on-off state of self.
As an optional implementation manner, in an embodiment of the present invention, the first oil outlet is disposed at a bottom of the hydraulic oil station, and the first oil inlet is disposed at a top of the hydraulic oil station.
As an optional implementation mode, in the embodiment of the utility model, the oil filter device includes gear pump, motor and filter, the motor electricity is connected in the gear pump, the gear pump passes through first pipe connection in first oil-out, gear pump pipe connection in the filter, the gear pump be used for with in the first pipeline the hydraulic oil pump send to the filter, the filter is used for filtering the gear pump send the hydraulic oil, the filter passes through the second pipe connection in first oil inlet.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the embodiment of the utility model provides an oil filtration system at hydraulic oil station is through being equipped with first granularity sensor, first solenoid valve on the first pipeline of connecting the first oil-out at hydraulic oil station and oil filter device, can detect the granularity of the hydraulic oil in the first pipeline to open or close according to the numerical value size control first solenoid valve of the granularity that detects, thereby realize the automatic cycle oil strain to the hydraulic oil station, need not the dismouting pipeline, avoid hydraulic oil and environment to receive the pollution.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic illustration of an oil filter system of a hydraulic oil station as disclosed herein;
fig. 2 is a schematic block diagram of the structure of the oil filtering apparatus disclosed in the present application.
An icon: 1. an oil filtration system; 10. a hydraulic oil station; 10a, a first oil outlet; 10b, a first oil inlet; 11. an oil filtering device; 11a, a gear pump; 11b, a motor; 11c, a filter; 12. a first conduit; 12a, a first main pipeline; 12b, a first branch pipe; 120. a first particle size sensor; 121. a first solenoid valve; 13. a second conduit; 13a, a second main pipeline; 131. a main path pipeline; 131a, a second particle size sensor; 132. a first branch conduit; 132a, a third solenoid valve; 133. a second branch conduit; 133a, a fourth solenoid valve; 13b, a second branch pipeline; 130. a second solenoid valve; 14. a pumping device; 14a, a second oil inlet; 14b, a liquid level sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
The technical solution of the present invention will be further described with reference to the following examples and drawings.
Referring to fig. 1, an embodiment of the present invention provides an oil filtering system 1 of a hydraulic oil station 10, including the hydraulic oil station 10, an oil filtering device 11, a first particle size sensor 120 and a first electromagnetic valve 121, where the hydraulic oil station 10 is provided with a first oil outlet 10a and a first oil inlet 10b, the oil filtering device 11 is connected to the first oil outlet 10a through a first pipeline 12, the oil filtering device 11 is connected to the first oil inlet 10b through a second pipeline 13, the oil filtering device 11 is configured to filter hydraulic oil in the hydraulic oil station 10, the first particle size sensor 120 is disposed in the first pipeline 12, the first particle size sensor 120 is configured to detect particle size of the hydraulic oil in the first pipeline 12, the first electromagnetic valve 121 is disposed in the first pipeline 12 and is located between the first particle size sensor 120 and the oil filtering device 11, the first electromagnetic valve 121 is electrically connected to the oil filtering device 11 according to an electrical signal, and the first electromagnetic valve 121 is configured to receive an electrical signal of the first particle size sensor 120, so as to control connection between the oil filtering device 11 and the oil filtering device 11 according to the electrical signal. In fig. 1, the broken lines indicate electrical connection.
The embodiment of the utility model provides an oil filter system 1 of hydraulic pressure oil station 10, be equipped with first granularity sensor 120 on first pipeline 12 through first oil-out 10a at connection hydraulic pressure oil station 10 and oil filter device 11, first solenoid valve 121, can detect the granularity of the hydraulic oil in first pipeline 12, the granule degree value through the hydraulic oil in first pipeline 12 reacts the contaminated condition of the hydraulic oil in hydraulic pressure oil station 10, when the granule degree of the hydraulic oil in the first pipeline 12 that detects is higher than or equal to predetermineeing the granule degree, first solenoid valve 121 is opened, first pipeline 12 and oil filter device 11 intercommunication, hydraulic oil flows out from first oil-out 10a and flows to oil filter device 11 through first pipeline 12, oil filter device 11 filters hydraulic oil, flow into first solenoid valve 10b along second pipeline 13 again, when the granule degree of the hydraulic oil in the first pipeline 12 that detects is less than predetermineeing the granule degree, first solenoid valve 121 closes, first pipeline 12 and oil filter device 11 do not communicate, thereby realize the automatic hydraulic pressure oil filter station 10, avoid receiving the pollution environmental protection and the dismouting.
Optionally, the oil filtering device 11 may be a plate-frame oil filter, a vacuum oil filter, or a trolley oil filter, which may be specifically selected according to actual situations.
Referring to fig. 1 and fig. 2 together, in some embodiments, the oil filtering device 11 includes a gear pump 11a, a motor 11b and a filter 11c, the motor 11b is electrically connected to the gear pump 11a, the gear pump 11a is connected to the first oil outlet 10a through a first pipeline 12, the gear pump 11a is connected to the filter 11c through a pipeline, the gear pump 11a is configured to pump the hydraulic oil in the first pipeline 12 to the filter 11c, the filter 11c is configured to filter the hydraulic oil pumped by the gear pump 11a, and the filter 11c is connected to the first oil inlet 10b through a second pipeline 13. In fig. 2, a broken line indicates an electrical connection relationship between the motor 11b and the gear pump 11 a.
In this way, the gear pump 11a can be powered by the motor 11b, the gear pump 11a can pump the hydraulic oil in the first pipeline 12 to the filter 11c, the hydraulic oil flowing through the filter 11c can be filtered, and the filtered hydraulic oil is discharged into the second pipeline 13, so that the hydraulic oil is filtered.
As shown in fig. 1, in some embodiments, the first oil outlet 10a is disposed at the bottom of the hydraulic oil station 10, and the first oil inlet 10b is disposed at the top of the hydraulic oil station 10. Therefore, on one hand, in actual production, the granularity of the hydraulic oil at the bottom of the hydraulic oil station 10 is higher, the first oil outlet 10a is arranged at the bottom of the hydraulic oil station 10, so that the polluted condition of the hydraulic oil can be detected more timely, the polluted relatively serious hydraulic oil can be discharged and filtered, and on the other hand, due to the gravity, the first oil outlet 10a is arranged at the bottom of the hydraulic oil station 10, and the first oil inlet 10b is arranged at the top of the hydraulic oil station 10, so that the discharge and the inflow of the hydraulic oil are facilitated.
In some embodiments, the hydraulic oil stations 10 are multiple, multiple hydraulic oil stations 10 are arranged in parallel, the first pipeline 12 includes a first main pipeline 12a and multiple first branch pipelines 12b, the multiple first branch pipelines 12b are respectively connected to the first oil outlets 10a of the multiple hydraulic oil stations 10 one by one, each first branch pipeline 12b is provided with the first particle size sensor 120 and the first electromagnetic valve 121, the first electromagnetic valve 121 is arranged between the first particle size sensor 120 and the first main pipeline 12a, one end of the first main pipeline 12a is connected to the multiple first branch pipelines 12b, and the other end of the first main pipeline 12a is connected to the oil filtering device 11.
Like this, the first granularity sensor 120 that sets up on each first branch pipeline 12b can detect the granularity of the hydraulic oil in each first branch pipeline 12b respectively, namely can reflect the contaminated condition of the hydraulic oil station 10 that each first branch pipeline 12b communicates, and through the first solenoid valve 121 on each first branch pipeline 12b, can control the break-make of being connected of each first branch pipeline 12b and first main pipeline 12a respectively, can make the granularity of the hydraulic oil in the pipeline be higher than or equal to the first branch pipeline 12b and first main pipeline 12a intercommunication of predetermined granularity, and the granularity of the hydraulic oil in the pipeline is less than the first branch pipeline 12b and the second main pipeline 13a intercommunication of predetermined main pipeline granularity, thereby only filter the hydraulic oil in the hydraulic oil station 10 that the contaminated degree exceeds standard, realize that single oil filter 11 filters the automation of a plurality of hydraulic oil stations 10, improve oil filtering efficiency, reduce engineering cost.
In some embodiments, the second pipeline 13 includes a second main pipeline 13a and a plurality of second branch pipelines 13b, the plurality of second branch pipelines 13b are respectively connected to the first oil inlets 10b of the plurality of hydraulic oil stations 10 one by one, one end of the second main pipeline 13a is connected to the plurality of second branch pipelines 13b, the other end of the second main pipeline 13a is connected to the oil filtering device 11, each of the second branch pipelines 13b is provided with a second electromagnetic valve 130, the second electromagnetic valve 130 is electrically connected to the first particle size sensor 120, the second electromagnetic valve 130 is configured to receive an electrical signal of the first particle size sensor 120, so as to control on/off of connection between the second branch pipeline 13b and the first oil inlet 10b according to the electrical signal.
Thus, when the first granularity sensor 120 on one or more first branch pipelines 12b detects that the granularity of the hydraulic oil in the first branch pipeline 12b is higher than or equal to the preset granularity, the first electromagnetic valve 121 on the first branch pipeline 12b and the second electromagnetic valve 130 on the second branch pipeline 13b communicated with the hydraulic oil station 10 communicated with the first branch pipeline 12b can be controlled to be opened simultaneously, and when the granularity of the hydraulic oil in the first branch pipeline 12b is lower than the preset granularity, the first electromagnetic valve 121 on the first branch pipeline 12b and the second electromagnetic valve 130 on the second branch pipeline 13b communicated with the hydraulic oil station 10 communicated with the first branch pipeline 12b can be controlled to be closed simultaneously, and at the moment, the first oil outlet 10a and the first oil inlet 10b on the loop are not communicated with the oil filter device 11, so that the hydraulic oil station 10 is not communicated with the oil filter device 11 when oil is not needed, the pressure in the hydraulic oil station 10 is ensured to be stable, and the liquid level of the hydraulic oil station 10 is ensured to be stable.
In some embodiments, the oil filtering system 1 further includes a control device (not shown in the figure), the control device is electrically connected to each of the first particle size sensors 120, each of the first electromagnetic valves 121, and each of the second electromagnetic valves 130, and the control device is configured to receive an electrical signal from each of the first particle size sensors 120, so as to control the first electromagnetic valve 121 and the second electromagnetic valve 130 on the pipeline corresponding to the first particle size sensor 120 with the largest detected particle size to be opened, and control the first electromagnetic valve 121 and the second electromagnetic valve 130 on the other pipelines to be closed.
Thus, when the granularity detected by each first granularity sensor 120 is lower than the preset granularity, all the first electromagnetic valves 121 and the second electromagnetic valves 130 are closed, when each first granularity sensor 120 detects that the granularity of the hydraulic oil in at least one first branch pipeline 12b is higher than or equal to the preset granularity, the control device compares the granularity value detected by each first granularity sensor 120, controls the first electromagnetic valve 121 on the first branch pipeline 12b where the first granularity sensor 120 with the largest granularity is detected and the second electromagnetic valve 130 on the second branch pipeline 13b communicated with the hydraulic oil station 10 communicated with the first branch pipeline 12b to be opened at the same time, and closes the other first electromagnetic valves 121 and the second electromagnetic valves 130, so that the oil filtering device 11 is communicated with the hydraulic oil station 10 with the most polluted hydraulic oil and filters the oil, the first aspect is that the oil filtering device 11 is only communicated with a single hydraulic oil station 10 in the oil filtering process, so that the oil channeling phenomenon can be prevented, mutual pollution of the hydraulic oil of different hydraulic oil stations 10 is avoided, the pressure in the hydraulic oil station 10 can be further ensured to be stable, the liquid level of the hydraulic oil in the hydraulic oil station 10 is ensured to be stable, the third aspect is that the oil filtering device 11 can be prevented from filtering the hydraulic oil of a plurality of hydraulic oil stations 10 at the same time, the flow and the pressure of the hydraulic oil in the oil filtering device 11 are controlled, the service life of the oil filtering device 11 can be prolonged, and the safe operation of a system in the oil filtering process can be ensured.
Illustratively, taking three hydraulic oil stations 10 as an example, the three hydraulic oil stations 10 are respectively a first hydraulic oil station, a second hydraulic oil station and a third hydraulic oil station, the granularity of the hydraulic oil detected by the first granularity sensor 120 connected to the first branch pipe 12b of the first hydraulic oil station is a first result, the granularity of the hydraulic oil detected by the first granularity sensor 120 connected to the first branch pipe 12b of the second hydraulic oil station is a second result, the granularity of the hydraulic oil detected by the first granularity sensor 120 connected to the first branch pipe 12b of the third hydraulic oil station is a third result, when the first result, the second result and the third result are all greater than the preset granularity and the first result > the second result > the third result, the first electromagnetic valve 121 and the second electromagnetic valve 130 connected to the first branch pipe 12b and the second branch pipe 13b of the first hydraulic oil station are simultaneously opened, the oil filtering device 11 filters the hydraulic oil in the first hydraulic oil station, and the second electromagnetic valve 121 and the second electromagnetic valve 130 connected to the second branch pipe 12b and the second branch pipe 13b of the second hydraulic oil station are simultaneously closed.
In some embodiments, a second particle size sensor 131a is disposed on the second main pipe 13a, and the second particle size sensor 131a is used for detecting the particle size of the hydraulic oil in the second main pipe 13 a. In this way, the granularity of the hydraulic oil discharged into the second main pipe 13a after being filtered by the oil filtering device 11 can be detected, and the oil filtering effect of the oil filtering device 11 can be monitored.
In some embodiments, the second main pipe 13a includes a main pipe 131, a first branch pipe 132 and a second branch pipe 133, one end of the main pipe 131 is connected to the oil filtering apparatus 11, the other end of the main pipe 131 is connected to the first branch pipe 132 and the second branch pipe 133, the second particle size sensor 131a is disposed on the main pipe 131, the first branch pipe 132 is connected to the second branch pipe 13b, a third solenoid valve 132a is disposed on the first branch pipe 132, the third solenoid valve 132a is used for controlling the connection between the main pipe 131 and the first branch pipe 132 according to the electrical signal of the second particle size sensor 131a, the second branch pipe 133 is connected to the first main pipe 12a, a fourth solenoid valve 133a is disposed on the second branch pipe 133, and the fourth solenoid valve 133a is used for controlling the connection between the main pipe 131 and the second branch pipe 133 according to the electrical signal of the second particle size sensor 131 a.
Thus, when the second particle size sensor 131a detects that the particle size of the hydraulic oil in the main pipeline 131 is higher than or equal to the preset particle size, it indicates that the filtering effect is not good, the particle size of the hydraulic oil still does not reach the standard of being discharged into the hydraulic oil station 10, the third electromagnetic valve 132a is closed, the fourth electromagnetic valve 133a is opened, the hydraulic oil flows into the first main pipeline 12a through the second branch pipeline 133 and returns to the oil filtering device 11 for secondary filtering, when the second particle size sensor 131a detects that the particle size of the hydraulic oil in the main pipeline 131 is lower than the preset particle size, it indicates that the filtering effect is good, the third electromagnetic valve 132a is opened, the fourth electromagnetic valve 133a is closed, and the hydraulic oil flows back to the hydraulic oil station 10 through the first branch pipeline 132, so that the oil filtering effect can be ensured, the hydraulic oil with the higher particle size is prevented from flowing back to the hydraulic oil station 10, secondary damage is caused to the hydraulic oil station 10, and the service life of the hydraulic oil station 10 is prolonged.
Further, a one-way valve (not shown in the figure) is further disposed at a connection position of the second branch pipeline 133 and the first main pipeline 12a, so that it can be ensured that the hydraulic oil flows from the second branch pipeline 133 to the first main pipeline 12a, and the hydraulic oil which is not filtered flows from the first main pipeline 12a to the second branch pipeline 133 is avoided.
In some embodiments, the oil filtering system 1 further comprises a pumping device 14, the pumping device 14 is disposed in the second pipe 13, and the pumping device 14 is configured to pump the hydraulic oil in the oil filtering device 11 to the first oil inlet 10b. In the present embodiment, the pumping device 14 is provided to the first branch pipe 132.
In this way, the hydraulic oil in the oil filter device 11 can be pumped to the first oil inlet 10b by the pumping device 14 to provide power for the hydraulic oil, so as to ensure the circular flow of the hydraulic oil between the hydraulic oil station 10 and the oil filter device 11.
In some embodiments, the pumping device 14 includes a second oil inlet 14a, the second oil inlet 14a is connected to the oil filtering device 11 through a pipeline, a liquid level sensor 14b is disposed on the second oil inlet 14a, the liquid level sensor 14b is configured to detect a liquid level of the second oil inlet 14a, the liquid level sensor 14b is electrically connected to the pumping device 14, and the pumping device 14 is further configured to adjust an on-off state thereof according to an electrical signal of the liquid level sensor 14 b.
Therefore, when the second oil inlet 14a does not detect hydraulic oil, the pumping device 14 is in a closed state, and when the second oil inlet 14a detects hydraulic oil, the pumping device 14 is opened to pump the hydraulic oil in the oil filtering device 11 to the first oil inlet 10b, so that on one hand, the automatic control of the pumping device 14 is realized, and the automation degree of the oil filtering system 1 is improved; on the other hand, the situation that the pumping device 14 idles when the second oil inlet 14a is not filled with the hydraulic oil, the service life of the pumping device 14 is influenced, and even the pumping device 14 is damaged can be prevented.
The oil filtering system of the hydraulic oil station disclosed by the embodiment of the invention is described in detail above, and the principle and the implementation mode of the invention are explained by applying a specific example, and the description of the above embodiment is only used for helping to understand the oil filtering system of the hydraulic oil station and the core idea thereof; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. An oil filtering system of a hydraulic oil station is characterized by comprising
The hydraulic oil station is provided with a first oil outlet and a first oil inlet;
the oil filtering device is connected to the first oil outlet through a first pipeline and connected to the first oil inlet through a second pipeline, and the oil filtering device is used for filtering hydraulic oil in the hydraulic oil station;
the first particle size sensor is arranged on the first pipeline and used for detecting the particle size of the hydraulic oil in the first pipeline; and
the first electromagnetic valve is arranged on the first pipeline and located between the first particle size sensor and the oil filtering device, the first electromagnetic valve is electrically connected to the first particle size sensor, and the first electromagnetic valve is used for receiving an electric signal of the first particle size sensor so as to control the connection of the first pipeline and the oil filtering device to be switched on and off according to the electric signal.
2. An oil filtration system according to claim 1 wherein the hydraulic oil stations are plural, the plural hydraulic oil stations being arranged in parallel;
the first pipeline comprises a first main pipeline and a plurality of first branch pipelines, the first branch pipelines are respectively connected to the first oil outlets of the hydraulic oil stations one by one, each first branch pipeline is provided with the first granularity sensor and the first electromagnetic valves, the first electromagnetic valves are arranged between the first granularity sensor and the first main pipeline, one end of the first main pipeline is connected to the plurality of first branch pipelines, and the other end of the first main pipeline is connected to the oil filtering device.
3. An oil filtering system according to claim 2, wherein the second pipeline comprises a second main pipeline and a plurality of second branch pipelines, the plurality of second branch pipelines are respectively connected to the first oil inlets of the plurality of hydraulic oil stations one by one, one end of the second main pipeline is connected to the plurality of second branch pipelines, and the other end of the second main pipeline is connected to the oil filtering device;
and a second electromagnetic valve is arranged on each second branch pipeline and is electrically connected with the first granularity sensor, and the second electromagnetic valve is used for receiving an electric signal of the first granularity sensor so as to control the connection of the second branch pipeline and the first oil inlet to be switched on and off according to the electric signal.
4. An oil filtration system according to claim 3, further comprising a control device electrically connected to each of the first particulate size sensors, each of the first solenoid valves, each of the second solenoid valves;
the control device is used for receiving electric signals of the first particle size sensors, so as to control the first electromagnetic valve and the second electromagnetic valve on the pipeline corresponding to the first particle size sensor with the largest detected particle size to be opened, and control the first electromagnetic valve and the second electromagnetic valve on the other pipelines to be closed.
5. An oil filtering system according to claim 3, characterised in that a second particle size sensor is provided on the second main pipe for detecting the particle size of the hydraulic oil in the second main pipe.
6. An oil filtering system according to claim 5, characterized in that the second main pipe comprises a main pipe, a first branch pipe and a second branch pipe, one end of the main pipe is connected to the oil filtering device, the other end of the main pipe is connected to the first branch pipe and the second branch pipe, the main pipe is provided with the second particle size sensor, the first branch pipe is connected to the second branch pipe, the first branch pipe is provided with a third solenoid valve, the third solenoid valve is used for controlling the connection of the main pipe and the first branch pipe according to the electrical signal of the second particle size sensor, the second branch pipe is connected to the first main pipe, the second branch pipe is provided with a fourth solenoid valve, and the fourth solenoid valve is used for controlling the connection of the main pipe and the second branch pipe according to the electrical signal of the second particle size sensor.
7. An oil filtration system according to any one of claims 1-6, further comprising a pumping device arranged in the second conduit for pumping the hydraulic oil in the oil filtration device to the first oil inlet.
8. The oil filtration system of claim 7 wherein the pumping device comprises a second oil inlet, the second oil inlet is connected to the oil filtration device via a pipeline, a liquid level sensor is disposed at the second oil inlet, the liquid level sensor is configured to detect a liquid level of the second oil inlet, the liquid level sensor is electrically connected to the pumping device, and the pumping device is further configured to adjust an on-off state of the pumping device according to an electrical signal of the liquid level sensor.
9. An oil filtration system according to any one of claims 1-6, wherein the first oil outlet is provided at the bottom of a hydraulic oil station and the first oil inlet is provided at the top of the hydraulic oil station.
10. An oil filtration system according to any one of claims 1 to 6, wherein the oil filtration apparatus comprises a gear pump, a motor and a filter, the motor is electrically connected to the gear pump, the gear pump is connected to the first oil outlet via the first conduit, the gear pump is connected to the filter via a conduit, the gear pump is adapted to pump the hydraulic oil in the first conduit to the filter, the filter is adapted to filter the hydraulic oil pumped by the gear pump, and the filter is connected to the first oil inlet via the second conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221433676.6U CN217926573U (en) | 2022-06-08 | 2022-06-08 | Oil filtering system of hydraulic oil station |
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| CN202221433676.6U CN217926573U (en) | 2022-06-08 | 2022-06-08 | Oil filtering system of hydraulic oil station |
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2022
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