Flow path system and mechanical device

Abstract

The utility model provides a flow path system which is in closed circulation and comprises a first flow path and a second flow path. The first flow path is provided with a first pump for pumping fluid through the first flow path; and the filter is used for filtering the fluid flowing through the first flow path so as to filter out impurities larger than the first size. The second flow path is provided with a second pump used for sucking fluid to pass through the second flow path; and the purifier is used for purifying the fluid flowing through the second flow path so as to remove impurities smaller than or equal to the first size. Wherein the first flow path and the second flow path are connected in parallel. The utility model further provides a mechanical device which comprises the flow path system.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of machinery, and in particular, to a flow path system and a mechanical device comprising the same. BACKGROUND

[0002] For a flow path system, impurities are often generated during operation, which usually have adverse effects. For example, a conventional oil lubrication system can play a role in lubrication or cooling, but long-term operation can generate metal impurities, thermal decomposition, etc., which can lead to a decrease in the quality of the oil and, in severe cases, can cause failure of the lubrication system.

[0003] For example, a flow path system is generally provided with a filter for filtration, but the highest precision of the filter is only microns, and the filter cannot purify the oil. For example, some small particle impurities such as dust, water, metal particles, and precipitates in the lubricating oil cannot be filtered by the filter. This makes the oil lubrication system still have many impurities, which affects the operation of the entire device.

[0004] Therefore, it is necessary to propose a new flow path system to solve the above problems. SUMMARY

[0005] The purpose of the present disclosure is to at least solve the shortcomings in the prior art. The present disclosure proposes a flow path system, which is a closed loop. The flow path system comprises a first flow path and a second flow path. The first flow path is provided with a first pump for pumping fluid through the first flow path, and a filter for filtering the fluid flowing through the first flow path to filter out impurities larger than a first size. The second flow path is provided with a second pump for pumping fluid through the second flow path, and a purifier for purifying the fluid flowing through the second flow path to remove impurities smaller than or equal to the first size. The first flow path and the second flow path are connected in parallel.

[0006] For example, according to some embodiments of the present disclosure, the fluid in the flow path system is lubricating oil.

[0007] For example, according to some embodiments of the present disclosure, the first size is microns, and the purifier can remove dust, water, metal particles, and precipitates in the lubricating oil.

[0008] For example, according to some embodiments of the present disclosure, the second flow path is provided with a check valve, which is located downstream of the purifier.

[0009] For example, according to some embodiments of the present disclosure, the second flow path is provided with a two-position valve for controlling the on-off of the second flow path.

[0010] For example, according to some embodiments of the present disclosure, the second flow path is provided with one or more of a pressure transmitter, a flow transmitter, and / or the first flow path is provided with one or more of a pressure gauge, a temperature gauge, a cooler.

[0011] For example, according to some embodiments of the present disclosure, the flow path system is provided with a controller for adjusting the flow rate of the second flow path in real time.

[0012] For example, according to some embodiments of the present disclosure, the flow path system adjusts the flow rate of the second flow path according to feedback signals from the pressure transmitter and / or flow transmitter.

[0013] For example, according to some embodiments of the present disclosure, the first pump and / or the second pump is provided with an overflow valve.

[0014] For example, according to some embodiments of the present disclosure, the purifier is provided with a bypass valve that opens to allow fluid to pass when the fluid pressure in the purifier reaches a threshold value of the bypass valve.

[0015] For example, according to some embodiments of the present disclosure, the flow path system includes a base frame including a collection tank for collecting fluid leaked from the flow path system.

[0016] The present disclosure also proposes a mechanical device including the flow path system according to any one of the embodiments of the present disclosure.

[0017] With the fluid system of the present disclosure, the quality of the fluid used in the process of the mechanical device will be improved and maintained at a consistent cleanliness. This will reduce the risk of device failure and production interruption and help reduce fluid wastage. This greatly improves the functional characteristics of the system, thereby reducing the user's equipment investment and extending the service life of the fluid. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A schematic diagram of a flow path system according to an embodiment of the present disclosure is shown.

[0019] REFERENCE NUMERALS

[0020] L1 first flow path

[0021] L2 second flow path

[0022] 1. first pump set

[0023] 2. filter

[0024] 3. cooler

[0025] 4. pressure gauge

[0026] 5. temperature gauge

[0027] 6. First two-position valve

[0028] 7. Second pump set

[0029] 8. Pressure transmitter

[0030] 9. Air purifier

[0031] 9a. Bypass valve

[0032] 10. Flow transmitter

[0033] 11. Check valve

[0034] 12. Second two-position valve

[0035] 13. Control Unit

[0036] 14. Base Detailed Implementation

[0037] To make the objectives, solutions, and advantages of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0038] In the description of this disclosure, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0039] This disclosure proposes a flow path system that is a closed-loop system, in which the fluid flowing in the flow path can be, for example, lubricating oil, hydraulic oil, cutting fluid, etc. When the fluid is lubricating oil, the system can be, for example, a thin oil circulating lubrication system. Figure 1 Only a portion of the flow path system is shown, and the flow path of the main equipment (e.g., equipment that needs to use the fluid, such as lubrication, cooling, hydraulics, etc.) is not shown. The complete flow path system is a closed loop.

[0040] The flow path system may include a first flow path L1 and a second flow path L2. The first flow path L1 and the second flow path L2 may be equipped with different devices to achieve different functions. In particular, the first flow path L1 and the second flow path L2 are connected in parallel to complete their respective functions simultaneously and independently without affecting each other.

[0041] In particular, the first flow path L1 and the second flow path L2 can be provided with independent pump sets, i.e., as shown in Figure 1 the first flow path L1 is provided with a first pump set 1, and the second flow path L2 is provided with a second pump set 7, so that the first flow path L1 and the second flow path L2 can independently draw fluid from the host device. Thus, the first flow path L1 is used for filtration, and the second flow path L2 is used for purification, and the two branches are connected in parallel and perform their respective filtration and purification functions simultaneously without affecting each other. When connected in series, the flow path is blocked, causing both filtration and purification functions to fail.

[0042] Further, as shown in Figure 1 the first pump set 1 and the second pump set 7 are respectively provided with a first overflow valve 1a and a second overflow valve 7a, which can ensure that the pressure of the flow path system is maintained within a certain range, ensuring the stability of the flow path system.

[0043] In addition, Figure 1 only one first flow path L1 and one second flow path L2 are shown, but the flow path system of the present disclosure can also be provided with other flow paths, and even multiple first flow paths L1 and multiple second flow paths L2, which are connected in parallel with each other.

[0044] Specifically, a filter 1 can be provided on the first flow path L1, and a purifier 9 can be provided on the second flow path L2. The filter 1 is used to filter and remove impurities larger than a first size, and the purifier 9 is used to remove impurities smaller than or equal to the first size. The first size may, for example, be microns, depending on the precision of the filter 1. In the present disclosure, microns refer to a size within the range of 0.1-100 microns.

[0045] Further, a cooler 3 can also be provided on the first flow path L1 to cool the fluid flowing through the first flow path L1. The cooler 3 can be provided downstream of the filter 1.

[0046] In addition, a pressure gauge 4 and a thermometer 5 can also be provided on the first flow path L1 to display the temperature and pressure of the fluid currently flowing through the first flow path L1 in real time. For example, the pressure gauge 4 and the thermometer 5 can be provided at the end of the first flow path L1 to particularly display the temperature and pressure of the fluid to be flowed into the host device portion.

[0047] The second flow path L2 can be provided with a purifier 9, which can include a housing and a filter element (not shown). The lubricating oil flows from the gap between the housing and the filter element of the purifier 9, reaches the top of the filter element, and then slowly penetrates from top to bottom and from outside to inside to the bottom of the filter element, and finally flows out of the purifier 9. Thus, the dust, water, metal particles, and sediment impurities in the lubricating oil are effectively adsorbed on the surface of the filter element, achieving the purpose of purifying the lubricating oil. The degree of contamination of the filter element in the purifier 9 directly controls the flow rate of the lubricating oil to achieve the best purification effect.

[0048] By the fluid system of the present disclosure, the quality of the fluid used in the process of the mechanical device will be improved and kept consistent cleanliness. This will reduce the risk of device failure and production interruption and help to reduce fluid loss. This greatly improves the functional characteristics of the system, thereby reducing the user's equipment investment and extending the service life of the fluid.

[0049] The number of purifiers 9 can be one or more, and in particular when the number of purifiers 9 is greater than or equal to 2, the plurality of purifiers 9 are connected in parallel with each other, whereby the flow capacity of the lubricating oil can be increased, and the area of the filter element for adsorbing impurities can be increased. Therefore, the working time of the filter element can be increased, and the frequency of replacing the filter element can be reduced.

[0050] Further, the purifier 9 can also be provided with a bypass valve 9a, which opens to allow the fluid to pass when the fluid pressure in the purifier 9 reaches the set threshold value of the bypass valve 9a, so that the pressure in the purifier 9 is reduced below the safety value, thereby protecting the filter element.

[0051] In particular, a check valve 11 can be provided on the second flow path L2, which can be provided downstream of the purifier 9, to prevent the fluid of the first flow path L1 from flowing backward into the second flow path L2 and affecting the normal function of the purifier 9, and to protect the purifier 9.

[0052] And the first and second two-position valves 6 and 12 can also be provided on the second flow path L2 to control the on-off of the second flow path L2. For example, the first and second two-position valves 6 and 12 can be respectively provided at both ends of the second flow path L2, or only one two-position valve can be provided. For example, the purification process can be carried out when purification is required, and the second flow path L2 can be cut off when the fluid impurities are small, thereby saving costs.

[0053] The pressure transmitter 8 and the flow transmitter 10 can also be provided on the second flow path L2, for example, the pressure transmitter 8 can be installed at the oil inlet of the purifier 9, and the flow transmitter 10 can be installed at the oil outlet of the purifier 9, whereby the pressure and flow of the second flow path L2 can be monitored in real time.

[0054] Further, the flow path system of the present disclosure can also include a control unit 13, which can adjust the pressure and flow of the system in real time, in particular, the pressure and flow of the second flow path L2, to facilitate the user to adjust according to the demand. In particular, the control unit 13 can also adjust the flow of the second flow path L2 according to the feedback signal of the pressure transmitter 8 and the flow transmitter 10, to automatically adjust the pressure and flow of the second flow path L2, to protect the purifier.

[0055] Further, the flow path system can be further provided with a base frame 14, which can ensure the structural stability of the flow path system. The base frame 14 can include a collection tank for collecting leaked fluid in the flow path system, so as to ensure a clean environment on site.

[0056] The present disclosure also proposes a mechanical device comprising the flow path system according to the present disclosure, for example, the mechanical device is a reduction gearbox requiring lubrication, and the fluid flowing in the flow path system is lubricating oil; for example, the mechanical device is a hydraulic device, and the fluid flowing in the flow path system is hydraulic oil; for example, the mechanical device is a machine tool, and the fluid flowing in the flow path system is cutting fluid.

[0057] It should be understood that the above description is intended to explain and not limit the application. For example, the above-described embodiments (and / or aspects thereof) can be used in combination with each other. In addition, many modifications can be made to adapt a particular situation or material to the teachings of the application without departing from the scope of the present disclosure. The functions or performance of various elements or modules described herein are for illustration only and are by no means limiting, but are merely exemplary embodiments. After reading the above description, many other embodiments and modifications will be apparent to those skilled in the art within the spirit and scope of the claims. Therefore, the scope of the present disclosure should be determined with reference to the appended claims and the full scope of equivalents to which these claims are entitled.

[0058] In the appended claims, the terms "comprise" and "wherein" are used as simple English equivalents of the respective terms "include" and "wherein." Furthermore, in the following claims, the terms "first," "second," and "third," etc. are used merely as labels, and are not intended to impose numerical requirements on their objects.

Claims

1. A flow path system characterized by, The flow path system is closed loop, comprising: a first flow path, provided with a first pump for pumping fluid through the first flow path, a filter for filtering the fluid flowing through the first flow path to filter out impurities larger than a first size, a second flow path, provided with a second pump for pumping fluid through the second flow path, a purifier for purifying the fluid flowing through the second flow path to remove impurities smaller than or equal to the first size, wherein the first flow path and the second flow path are in parallel.

2. The flow path system according to claim 1, wherein Further comprising The fluid in the flow path system is lubricating oil.

3. The flow path system according to claim 2, wherein Further comprising The first size is in microns, and the purifier can remove dust, water, metal particles, and precipitates in the lubricating oil.

4. The flow path system according to claim 2, wherein The second flow path is provided with a check valve downstream of the purifier, and / or The second flow path is provided with a two-position valve for controlling the on-off of the second flow path.

5. The flow path system according to claim 1, wherein The second flow path is provided with one or more of a pressure transmitter, a flow transmitter, and / or The first flow path is provided with one or more of a pressure gauge, a temperature gauge, and a cooler.

6. The flow path system according to claim 5, wherein The flow path system is provided with a controller for adjusting the flow rate of the second flow path in real time.

7. The flow path system according to claim 6, wherein The flow path system adjusts the flow rate of the second flow path according to the feedback signal of the pressure transmitter and / or flow transmitter.

8. The flow path system according to any one of claims 1-7, wherein The first pump and / or the second pump is provided with an overflow valve.

9. The flow path system according to any one of claims 1-7, wherein The purifier is provided with a bypass valve configured to open to allow fluid to pass when the fluid pressure in the purifier reaches a threshold value of the bypass valve.

10. A mechanical device, characterized by Comprising The flow path system according to any one of claims 1-9.

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