KR101286968B1 - Oil filtering device - Google Patents

Abstract

PURPOSE: An oil filtering apparatus is provided to suppress environmental pollution by reducing the generation of waste oil. CONSTITUTION: An oil filtering apparatus includes a first line (100), a second line (200), a three-way valve (300), a third line (400), and a pollution measuring unit (600). The second line is positioned at one side of the first line. The three-way valve is installed in the first line and the other end of the second line. The first line includes a motor pump (P), and a first inlet (110) is formed at one end of the first line. Oil from the outside enters the first inlet. A second inlet (210) is formed at one end of the second line. Oil from the outside enters the inlets. Oil discharged through the three-way valve is transferred to the third line. The third line includes a filtering unit (500) and a discharging unit (410). The filtering unit filters the oil. The discharging unit discharges the filtered oil to the outside. The pollution measuring unit measures the pollution level of the oil transferred through the third line.

Description

Oil filtering device

The present invention relates to an oil filtration device, and more particularly, to an oil filtration device that can filter and reuse oil while simultaneously measuring contamination of hydraulic oil used in agricultural machines, industrial machines, and various heavy equipments.

In general, hydraulic oil (hydraulic oil) refers to the oil having a predetermined viscosity used as a medium for hydraulic power transmission in agricultural machinery, industrial machinery and various construction heavy equipment.

Hydraulic oil is a consumable, and when a predetermined use time elapses, sludge is generated due to deterioration, moisture is accumulated, and impurities such as powdery powder are generated, and thus the function cannot be performed properly.

Therefore, the end-of-life hydraulic oil must be replaced at an appropriate time, and waste oil is generated along with enormous replacement costs with each replacement, resulting in intensified environmental pollution.

In order to solve the above problems, recently, an oil filtration device for filtering and reusing hydraulic oil has been developed and used.

The conventional oil filtration device is excellent in recovering the cleanliness of the hydraulic oil and water removal effect, but the inconvenience that the user should check with the naked eye every time, not the exact measurement value of the hydraulic oil.

In addition, the size is about 600mm, 1,000mm and 1,100mm (horizontal, vertical, height) has a problem that is not easy to carry. In other words, it was not easy to transport, so the equipment could not be quickly handled when stopping the equipment due to oil trouble, causing a problem that the work was stopped for a long time.

In addition, the conventional oil filtration device is unsuitable for filtering the high pressure equipment or the line currently being used, because the oil filter can filter only in a low pressure environment of about 5 bar when the hydraulic oil is filtered.

In addition, the conventional oil filtration device is not equipped with its own hydraulic pump has a disadvantage in that it can not only be circulated hydraulic oil only when the oil circulating pump in the equipment for the low pressure is provided.

(0001) Republic of Korea Patent Publication No. 10-2011-0099573 (Published September 8, 2011) (0002) Republic of Korea Registered Utility Model Publication No. 20-0229359 (July 19, 2001) (0003) Republic of Korea Registered Utility Model Publication No. 20-0237637 (October 11, 2001)

An object of the present invention devised to solve the above problems is to significantly reduce the replacement cost owned each time the hydraulic oil is replaced regularly, thus reducing the generation of waste oil to reduce the environmental pollution oil To provide a filtration device.

In addition, an additional problem of the present invention is to provide an oil filtration apparatus that can reduce hydraulic costs and improve productivity by filtering and reusing hydraulic oil and preventing failure of equipment or equipment due to fluid contamination. There is.

In addition, an additional problem of the present invention is to provide an oil filtration apparatus which can improve the efficiency of the work by stopping the work due to oil replacement by using filtration of hydraulic oil during the operation.

The present invention devised to achieve the above object is provided with a motor pump, one end of the first line is formed with a first inlet through which oil is introduced from the outside, located on one side of the first line, one end is oil from the outside A second line having the second inflow portion formed therein; a three-way valve installed at the other end of the first line and the second line; and an oil flowing out through the three-way valve is transferred, and a filter part through which the oil is filtered; And a pollution measuring unit measuring a pollution level of the oil conveyed through the third line and a third line having an outlet portion through which the oil filtered through the manure flows out.

The filter portion has an open top portion, a housing having a predetermined receiving space therein, a filter accommodated in the housing, filtering foreign substances contained in the oil, and a cover covering the open upper portion of the housing. It is characterized by including.

The cover is characterized in that the filter indicator for indicating the replacement time of the filter is installed.

The third line may further include a pressure gauge for measuring the oil pressure of the oil flowing out through the three-way valve.

The pollution measuring unit is a fourth line through which the oil transferred through the third line is branched, a pollution sensor measuring the pollution degree of the oil branched and transferred to the fourth line, and the pollution degree measured by the pollution sensor. And a fifth line for supplying oil to the third line.

The fourth line may further include a flow control valve for controlling the flow rate of the oil.

The fifth line may further include a first check valve that prevents backflow of the oil whose pollution degree is measured through the contamination sensor.

It further comprises a power supply unit for applying power to the motor pump and the pollution sensor, respectively.

The power supply unit may further include an on / off switch.

The third line may further include a second check valve that prevents backflow of the oil filtered through the filter part.

The present invention has the effect of significantly reducing the replacement cost owned every time the hydraulic oil is replaced regularly, thereby reducing the generation of waste oil, thereby suppressing environmental pollution. Furthermore, since the user manual is not complicated, anyone can easily replace the filter without the need for a separate administrator.

In addition, the present invention has the effect of filtering and reusing the hydraulic oil, and prevent the failure of the equipment or equipment due to the contamination of the fluid in advance to reduce the maintenance cost and improve the productivity.

In addition, the present invention has the effect of improving the efficiency of the work is not interrupted by the oil replacement by using the filtration of the hydraulic oil during the operation.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description, serve to further the understanding of the technical idea of the invention, And shall not be construed as interpretation.
1 is a conceptual diagram schematically showing an oil filtration device according to an embodiment of the present invention;
2 and 3 is a reference view showing an oil filtration device according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the oil filtration device according to the present invention.

1 is a conceptual diagram schematically showing an oil filtration device according to an embodiment of the present invention.

Referring to FIG. 1, an oil filtration apparatus according to a preferred embodiment of the present invention may include a first line 100, a second line 200, a three-way valve 300, a third line 400, and contamination. It consists of a component including a measuring unit 600, which will be described in detail as follows.

First, the oil filtration device of the present invention is about 500mm, 410mm and 350mm in length, horizontal, vertical and height, respectively, the weight is about 40kg.

That is, compared to the existing oil filtration device, the volume and weight are greatly reduced and can be easily carried by using a small vehicle, and the weight can be reduced and the user can easily carry it.

Therefore, there is a case in which the oil needs to be replaced due to the stoppage of the equipment due to the oil trouble of the outdoor work machine such as farm machinery, and when the work is stopped, there is an advantage that can be solved immediately in the field without moving the equipment to the repair site.

A motor pump P is installed in the first line 100, and a first inlet 110 is formed at one end of the first line 100.

Hydraulic oil used for agricultural machinery, industrial machinery and various heavy equipment is introduced into the first line 100 through the first inlet 110.

Here, the motor pump (P) is installed to forcibly suck the hydraulic oil into the first line 100 through the first inlet 110.

Here, the motor pump (P) has an efficiency that can pump about 8.2 liters of hydraulic oil per minute.

In addition, the second line 200 is positioned at one side of the first line 100, and a second inflow portion 210 is formed at one end similarly to the first line 100.

That is, the hydraulic oil used for agricultural machinery, industrial machinery and various heavy equipment is introduced into the second line 200 through the second inflow portion 210.

The three-way valve 300 is installed at the other end of the first line 100 and the second line 200.

That is, the other ends of the first line 100 and the second line 200 are respectively connected to the third line 400 to be described later.

In other words, the hydraulic oil introduced into the first line 100 and the second line 200 is inside the third line 400 connected to the other ends of the first line 100 and the second line 200. The three-way valve 300 is installed at a coupling portion where the first line 100, the second line 200, and the third line 400 meet each other.

Since the three-way valve 300 is an inlet formed in three directions, the first line 100, the second line 200, and the third line 400 are respectively provided at the inlets of the three-way valve 300. Will be combined.

That is, hydraulic oil flowing through the first line 100 may flow into the third line 400 due to the selective opening and closing of the three-way valve 300, and flows through the second line 200. Hydraulic oil may be introduced into the third line 400.

Here, the first line 100 having the motor pump (P) is used when the hydraulic oil is introduced into the hydraulic oil used for agricultural machinery, industrial machinery and various heavy equipment to inflow hydraulic oil, the second line In the case of 200, hydraulic oil is introduced through the second line 200 when a predetermined hydraulic pump capable of pumping hydraulic oil out of agricultural machinery, industrial machinery and various heavy equipment is discharged to the outside. Will be.

That is, the oil filtration device of the present invention is provided with a self-hydraulic pump method and an electric motor pump method.

The third line 400 is the hydraulic oil flowing out through the three-way valve 300 is introduced through one side to convey it.

And, the filter unit 500 for filtering the hydraulic oil transported through the third line 400, the outlet portion 410 through which the hydraulic oil filtered through the filter 500 is discharged to the outside It is formed at the other end.

That is, the hydraulic oil filtered through the filter 500 is re-introduced into agricultural machinery, industrial machinery and various heavy equipment through the outlet 410.

The pollution measuring unit 600 is a pollution degree of the hydraulic oil conveyed through the third line 400 is measured.

On the other hand, the filter 500 is made of a component including a housing (not shown), a filter (not shown) and a cover (not shown), which will be described in detail as follows.

The housing is formed in an open top, and a predetermined accommodation space is provided therein.

The filter is accommodated in the inner receiving space of the housing, and serves to filter foreign matter contained in the hydraulic oil.

At this time, the filter filters about 75 liters of hydraulic oil per minute with an efficiency of about 3 to 25 micron.

The cover covers the open upper portion of the housing so as to be detachable from the housing and seals the hydraulic oil so that it does not leak out.

This makes it easy to replace and remove the filter easily, it is possible to select and install a variety of filters from low pressure to high pressure.

Here, the cover may be provided with a filter indicator (not shown) informing the replacement time of the filter.

When the filter indicator exceeds the filtration capacity of the filter, the internal pressure of the housing is increased because the hydraulic oil flowing through the inside of the housing is not smooth.

When the internal pressure of the housing is increased in this way, the internal indicator member of the filter indicator is raised to a predetermined height so that the user can check it.

On the other hand, the pollution measuring unit 600 is composed of a component including a fourth line 610, a pollution sensor 620 and the fifth line 630, which will be described in detail as follows.

The fourth line 610 is branched hydraulic oil conveyed through the third line (400).

That is, the hydraulic oil conveyed through the third line 400 is branched and introduced into the fourth line 610. The hydraulic oil introduced into the fourth line 610 passes through the pollution sensor 620. Therefore, the contamination of the hydraulic oil is measured.

In addition, the hydraulic oil having the pollution degree measured through the pollution sensor 620 is re-introduced into the third line 400 through the fifth line 630 to flow into the third line 400. will be.

At this time, the contamination sensor 620 (ContaminationSensor) is a product of the German HYDAC company, the model name is preferably CS 1000 Series.

The pollution sensor 620 may be measured in a hydraulic environment up to about 300 bar, preferably, it is possible to measure the oil contamination in a hydraulic environment of about 250 bar.

That is, the pollution sensor 620 is displayed the numerical value of the pollution level according to the ISO (International Standard), SAE (Automotive Engineers Association), FLOW (pass flow), OUT (external contact output), DRIVE (operation) and Select TEMP (temperature) to display the measured value.

Therefore, by measuring the pollution degree of the hydraulic oil with the pollution sensor 620, it can be confirmed that the numerical value of the pollution degree during the filtration process, the numerical display of the pollution degree is based on the international standard ISO.

In other words, it is possible to use oil that is cleaner than the current oil by filtering hydraulic oil according to the degree based on the pollution value indicated by the number.

On the other hand, on the third line 400, a pressure gauge 420 for measuring the hydraulic pressure of the hydraulic oil flowing out through the three-way valve 300 may be further installed, and on the fourth line 610 of the oil A predetermined flow control valve 611 for adjusting the flow rate may be further installed.

That is, the pressure gauge 420 is installed on the third line 400, preferably, may be installed at a position where the third line 400 and the fourth line 610 are branched.

In addition, the flow control valve 611 is preferably a needle valve (needle valve).

In more detail, when the pressure of the hydraulic oil flowing through the three-way valve 300 and through the third line 400 is measured through the pressure gauge 420, the fourth line 610 is checked. The amount of hydraulic oil flowing through the fourth line 610 is controlled by controlling the flow control valve 611 located on the).

That is, the flow control valve 611 is controlled so that the hydraulic oil flowing toward the pollution sensor 620 becomes about 200 to 250 bar per minute.

On the other hand, the fifth line 630 is further provided with a first check valve 631 to prevent the reverse flow of the hydraulic oil is measured pollution level through the contamination sensor 620, the third line 400 A second check valve 430 may be further installed to prevent backflow of the hydraulic oil filtered through the filter 500.

The motor pump P and the pollution sensor 620 are each powered by a power supply unit (not shown), and the power supply unit further includes an on / off switch (not shown).

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And such variations and modifications are intended to fall within the scope of the appended claims.

100: first line 110: first inlet
200: second line 210: second inlet
300: three-way valve 400: third line
410: outlet 420: pressure gauge
430: second check valve 500: filter part
600: pollution measurement unit 610: fourth line
611: flow control valve 620: contamination sensor
630: fifth line 631: first check valve
P: motor pump

Claims (10)

A first line (100) having a motor pump (P) and having a first inlet portion (110) through which oil is introduced from one end;
A second line 200 positioned at one side of the first line 100 and having a second inflow portion 210 formed at one end thereof through which oil is introduced from the outside;
A three-way valve 300 installed at the other end of the first line 100 and the second line 200;
The oil flowing out through the three-way valve 300 is transferred, the oil is provided with a filtering portion 500, the outflow portion 410 through which the oil filtered through the filtering portion 500 is discharged to the outside A third line 400 formed of; And
An oil filtration device including a pollution measuring unit 600 to measure the pollution degree of the oil conveyed through the third line (400). The method of claim 1, wherein the filtering portion 500,
It is provided with a housing having a predetermined receiving space therein in an open top, a filter accommodated in the housing and filtering foreign matter contained in the oil, and a cover covering the open top of the housing. Oil filtration device characterized in that. The method of claim 2, wherein the cover,
An oil filtration device, characterized in that a filter indicator (indicator) is provided to inform the replacement time of the filter. The method of claim 1,
The third line (400) is an oil filtration device further comprises a pressure gauge (420) for measuring the oil pressure of the oil flowing out through the three-way valve (300). According to claim 1, The pollution measuring unit 600,
A fourth line 610 in which the oil transferred through the third line 400 is branched;
A contamination sensor (620) for measuring the pollution degree of the oil which is branched to the fourth line 610 and conveyed; And
And a fifth line (630) for supplying the oil whose pollution degree is measured through the pollution sensor (620) to the third line (400). The method of claim 5,
The fourth line 610 is an oil filtration device further comprises a flow control valve (611) for adjusting the flow rate of the oil. The method of claim 5,
The fifth line (630) is an oil filtration device further comprises a first check valve (631) for preventing the back flow of the oil is measured contamination level through the contamination sensor (620). The method of claim 5,
Oil filter device further comprises a power supply for applying power to the motor pump (P) and the pollution sensor (620), respectively. 9. The method of claim 8,
The power supply unit further comprises an on-off switch. The method of claim 1,
The third line (400) is an oil filtration device further comprises a second check valve (430) for preventing the back flow of the oil filtered through the filter portion (500).

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