CN110553966A - Tool and method for measuring certain type of oil filtering flow resistance - Google Patents

Tool and method for measuring certain type of oil filtering flow resistance Download PDF

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Publication number
CN110553966A
CN110553966A CN201910617659.4A CN201910617659A CN110553966A CN 110553966 A CN110553966 A CN 110553966A CN 201910617659 A CN201910617659 A CN 201910617659A CN 110553966 A CN110553966 A CN 110553966A
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China
Prior art keywords
pipe
oil filter
oil
flow resistance
pressure
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Pending
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CN201910617659.4A
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Chinese (zh)
Inventor
但盼亮
田京津
唐怀瑜
韩超
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Xi'an Established Aviation Manufacturing Co Ltd
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Xi'an Established Aviation Manufacturing Co Ltd
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Priority to CN201910617659.4A priority Critical patent/CN110553966A/en
Publication of CN110553966A publication Critical patent/CN110553966A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/084Testing filters

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention belongs to the technical field of oil filter detection, in particular to a tool and a method for measuring certain type of oil filter flow resistance, wherein the tool comprises a connecting pipe and a fixed flange fixed on the outer wall of one end of the connecting pipe, the inner wall of the fixed flange is fixedly connected with a conveying pipe, one side of the fixed flange, which is far away from the connecting pipe, is sequentially connected with a flow meter, a measuring pipe and a pressure transmitter in series, and the flow meter, the measuring pipe and the pressure transmitter are connected with the conveying pipe in series; when not installing oil and straining, detect out measuring medium flow and pressure in the measuring tube, will be detected oil again and strain and oil and strain joint threaded connection, measure once more, and make the numerical value of flowmeter reach the detection numerical value when not connecting the oil of being detected and strain, detect out survey buret internal pressure, strain through the contrast not oil of dress and strain the pressure difference value after straining with the dress oil, the flow resistance numerical value that can survey the measured oil and strain, when personnel install, can select corresponding oil according to the flow resistance numerical value of its needs and strain, and the installation effectiveness is improved.

Description

tool and method for measuring certain type of oil filtering flow resistance
Technical Field
The invention belongs to the technical field of oil filter detection, and particularly relates to a tool and a method for detecting certain type of oil filter flow resistance.
background
The oil filter is generally a small-sized automobile gasoline filter for short, and the gasoline filter mainly has the function of filtering impurities in gasoline, and fuel enters a sedimentation cup of the filter through an oil inlet pipe under the action of a gasoline pump. Because the volume grow this moment, the velocity of flow diminishes, and water and the foreign particles heavier than oil are convenient for deposit in the bottom of cup, and light impurity flows to the filter core along with the fuel, and inside of the micropore of clear fuel from the filter core oozes people's filter core, then through the oil pipe outflow, because current oil filter in the house steward is in vacuum brazing completion back, the flow resistance size that produces under the same oil filter high pressure condition again is different, leads to the product unstable at house steward's data, influences final acceptance.
At present, aiming at the problem, because a client side can not specify a proper scheme to determine the influence of the oil filter on the main pipe test, the oil filter in the main pipe needs to be replaced for multiple times, the oil filter cannot be replaced in place once until the size of the oil filter flow resistance after replacement reaches the specified requirement, the replacement and detection time is long, the whole installation and debugging time of the equipment is prolonged, and the installation and delivery progress of the equipment is delayed.
Disclosure of Invention
to solve the problems set forth in the background art described above. The invention provides a tool and a method for detecting certain type of oil filtering flow resistance, which have the characteristic of detecting the oil filtering flow resistance.
In order to achieve the purpose, the invention provides the following technical scheme: the tool and the method for measuring the oil filtering flow resistance of a certain type comprise a connecting pipe and a fixed flange fixed on the outer wall of one end of the connecting pipe, the inner wall of the fixed flange is fixedly connected with a delivery pipe, one side of the fixed flange, which is far away from the connecting pipe, is sequentially connected with a flow meter, a measuring pipe and a pressure transmitter in series, the flowmeter, the measuring tube and the pressure transmitter are connected with the conveying pipe in series, the outer wall of the measuring tube is fixedly connected with a connector, one end of the connecting pipe, which is far away from the fixed flange, is fixedly connected with a fixed pipe, the inner wall of the fixed pipe is fixedly connected with a supporting plate, one end of the conveying pipe, which is far away from the flowmeter, is positioned in the fixed pipe, and the conveying pipe is positioned on the top surface of the supporting plate, the outer wall of one end of the conveying pipe, which is positioned in the fixing pipe, is fixedly connected with an oil filter joint, and the other end of the oil filter joint is positioned below the supporting plate.
Preferably, the other end of the connector is hermetically connected with an external conveying device through a pipeline.
Preferably, the bottom end of the fixed pipe is in threaded connection with a limiting pipe, the inner wall of the limiting pipe is fixedly connected with a limiting fixed plate, and a limiting moving plate is elastically connected above the limiting fixed plate.
Preferably, the top surface fixedly connected with of spacing fixed plate a plurality of equidistance evenly distributed's spring, spacing movable plate passes through the spring with spacing fixed plate elastic connection.
Preferably, the inner wall of the bottom end of the fixed pipe is provided with an internal thread, and the outer wall of the top end of the limiting pipe is provided with an external thread corresponding to the internal thread.
Preferably, a first yielding hole is formed in the middle of the limiting fixing plate, and a second yielding hole corresponding to the first yielding hole is formed in the middle of the limiting moving plate.
The method for measuring the filtering flow resistance of certain type of oil specifically comprises the following steps:
And S1, measuring the pressure point flow and pressure of the tool under the condition of no oil filter.
S2, installing the oil filter to be tested in the tool, testing the flow rate, enabling the flow rate of the pressure point to reach the flow rate under the condition of not installing the oil filter, and then measuring the pressure of the pressure point.
and S3, comparing the pressure difference of the pressure points of the oil filter without oil filter and the pressure points of the oil filter with the pressure points of the oil.
Compared with the prior art, the invention has the beneficial effects that:
1. when not installing oil and straining, detect, flowmeter and pressure transmitter can detect out measuring medium flow and pressure in the measuring tube this moment, will be detected oil again and strain joint threaded connection with oil, measure once more, and make the numerical value of flowmeter reach the detection numerical value when not connecting detected oil and strain, pressure transmitter can detect out survey buret internal pressure this moment, strain through not installing oil and strain the pressure differential value after straining with dress oil, can measure the flow resistance numerical value of straining by the survey oil, when personnel carried out oil and strain the installation, can select corresponding oil according to the flow resistance numerical value of its needs and strain, direct one step is installed in place, and the installation effectiveness is improved.
2. The limiting pipe is sleeved outside the detected oil filter and is in threaded connection with the fixed pipe, the detected oil filter can be protected, damage caused by accidental collision in the detection process is prevented, the limiting moving plate can be in contact with the bottom of the detected oil filter, when the limiting pipe is in threaded connection with the fixed pipe, the limiting moving plate compresses and fixes the detected oil filter under the action of the spring, and meanwhile, the spring can play a buffering role and prevent the limiting pipe from being in rigid contact with the detected oil filter to cause damage to the detected oil filter.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of a stopper tube according to the present invention;
FIG. 3 is a schematic view of the inner structure of the limiting tube according to the present invention;
Fig. 4 is a top view of the spacing tube of the present invention.
In the figure: 1. a connecting pipe; 11. a fixed flange; 12. a delivery pipe; 121. an oil filter joint; 13. a fixed tube; 1301. an internal thread; 131. a support plate; 14. a limiting pipe; 1401. an external thread; 141. a limiting fixing plate; 1411. a first abdicating hole; 142. a limiting moving plate; 1421. a second abdicating hole; 143. a spring; 2. a flow meter; 3. a measurement tube; 31. a connector; 4. a pressure transmitter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to fig. 1-4, the present invention provides the following technical solutions: survey certain type oil and strain flow resistance frock and method, including connecting pipe 1 and the mounting flange 11 of fixing at its one end outer wall, mounting flange 11's inner wall fixedly connected with conveyer pipe 12, mounting flange 11 keeps away from one side of connecting pipe 1 and establishes ties in proper order and has flowmeter 2, survey buret 3 and pressure transmitter 4, and flowmeter 2, survey buret 3 and pressure transmitter 4 and conveyer pipe 12 establish ties, survey buret 3's outer wall fixedly connected with connector 31, connecting pipe 1 keeps away from one end fixedly connected with fixed pipe 13 of mounting flange 11, the inner wall fixedly connected with backup pad 131 of fixed pipe 13, the one end that conveyer pipe 12 kept away from flowmeter 2 is located fixed pipe 13, and be located the top surface of backup pad 131, conveyer pipe 12 is located one end outer wall fixedly connected with oil filter joint 121 of fixed pipe 13, the other end of oil filter joint 121 is located the below.
In this embodiment, the external conveying device conveys the measuring medium into the measuring tube 3 through the connector 31, the measuring medium flows to the oil filter joint 121 through the conveying pipe 12 in the connecting tube 1 and is discharged, at this time, the flow rate and the pressure of the measuring medium in the measuring tube 3 can be detected by the flow meter 2 and the pressure transmitter 4, the model of the flow meter 2 is LWGY, the model of the pressure transmitter 4 is CYQ-WX, the inlet pipe of the oil filter is connected with the oil filter joint 121 in the fixed tube 13 by screw threads, the external conveying device conveys the measuring medium into the measuring tube 3 through the connector 31, the measuring medium flows to the oil filter joint 121 through the conveying pipe 12 in the connecting tube 1 and passes through the oil filter to be detected, and the value of the flow meter 2 reaches the detection value when the oil filter to be detected is not connected, at this time, the measuring tube 3 can be detected by the pressure transmitter 4, by comparing the pressure difference between the oil filter not, the flow resistance numerical value that measured oil strained can be surveyed, when the personnel carried out oil and strain the installation, can select corresponding oil according to the flow resistance numerical value of its needs and strain, and direct one step of installation targets in place, does not need many times installation to detect, can effectively shorten the installation and debugging time that the oil strained, improves the installation effectiveness, and accessible mounting flange 11 is fixed frock and external connection spare.
Specifically, the other end of the connector 31 is connected with an external conveying device in a sealing manner through a pipeline, and the external conveying device can convey the measuring medium to the inside of the tool through the pipeline and the connector 31.
Specifically, the bottom end of the fixed tube 13 is screwed with the limiting tube 14, after the oil filter to be detected is in threaded connection with the oil filter joint 121 in the fixed tube 13, the limiting tube 14 is sleeved outside the oil filter to be detected and is in threaded connection with the fixed tube 13, the oil filter to be detected can be protected, and damage caused by accidental collision in the detection process can be prevented, the inner wall of the limiting tube 14 is fixedly connected with a limiting fixed plate 141, a limiting moving plate 142 is elastically connected above the limiting fixed plate 141, the top surface of the limiting fixed plate 141 is fixedly connected with a plurality of springs 143 which are uniformly distributed at equal intervals, the limiting moving plate 142 is elastically connected with the limiting fixed plate 141 through the springs 143, the limiting moving plate 142 can be contacted with the bottom of the oil filter to be detected, when the limiting tube 14 is in threaded connection with the fixed tube 13, the limiting moving plate 142 compresses and fixes the oil filter to be detected under the action of the springs 143, and meanwhile, the limit pipe 14 is prevented from being in rigid contact with the oil filter to be detected to cause damage to the oil filter to be detected.
Specifically, the inner wall of the bottom end of the fixed pipe 13 is provided with an inner thread 1301, the outer wall of the top end of the limiting pipe 14 is provided with an outer thread 1401 corresponding to the inner thread 1301, and the limiting pipe 14 can be in threaded connection with the fixed pipe 13 through the inner thread 1301 of the inner wall of the fixed pipe 13 and the outer thread 1401 of the outer wall of the limiting pipe 14.
Specifically, a first yielding hole 1411 is formed in the middle of the limiting fixing plate 141, a second yielding hole 1421 corresponding to the first yielding hole 1411 is formed in the middle of the limiting moving plate 142, and the discharge pipe of the oil filter to be detected can be discharged through the first yielding hole 1411 and the second yielding hole 1421.
The method for measuring the filtering flow resistance of certain type of oil specifically comprises the following steps:
And S1, measuring the pressure point flow and pressure of the tool under the condition of no oil filter.
S2, installing the oil filter to be tested in the tool, testing the flow rate, enabling the flow rate of the pressure point to reach the flow rate under the condition of not installing the oil filter, and then measuring the pressure of the pressure point.
And S3, comparing the pressure difference of the pressure points of the oil filter without oil filter and the pressure points of the oil filter with the pressure points of the oil.
The working principle and the using process of the invention are as follows: the external conveying equipment conveys the measuring medium into the measuring pipe 3 through the connector 31, the measuring medium flows to the oil filter joint 121 through the conveying pipe 12 in the connecting pipe 1 and is discharged, at the moment, the flow meter 2 and the pressure transmitter 4 can detect the flow and the pressure of the measuring medium in the measuring pipe 3, then the inlet pipe of the oil filter is in threaded connection with the oil filter joint 121 in the fixed pipe 13, the external conveying equipment conveys the measuring medium into the measuring pipe 3 through the connector 31, the measuring medium flows to the oil filter joint 121 through the conveying pipe 12 in the connecting pipe 1 and passes through the detected oil filter, and the numerical value of the flow meter 2 reaches the detection numerical value when the detected oil filter is not connected, at the moment, the pressure transmitter 4 can detect the pressure in the measuring pipe 3, the numerical value of the detected oil filter is obtained by comparing the pressure flow resistance difference value between the oil filter which is not installed and the oil filter which is installed, the corresponding oil filter can be selected according to the required flow resistance value, the oil filter can be directly installed in place in one step, multiple times of installation and detection are not needed, the installation and debugging time of the oil filter can be effectively shortened, and the installation efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. Survey certain type oil and strain flow resistance frock, its characterized in that: including connecting pipe (1) and fixing flange (11) at its one end outer wall, the inner wall fixedly connected with conveyer pipe (12) of flange (11), flange (11) are kept away from one side of connecting pipe (1) is established ties in proper order and is had flowmeter (2), survey buret (3) and pressure transmitter (4), just flowmeter (2), survey buret (3) with pressure transmitter (4) with conveyer pipe (12) are established ties, survey outer wall fixedly connected with connector (31) of buret (3), the one end fixedly connected with fixed pipe (13) of flange (11) are kept away from in connecting pipe (1), the inner wall fixedly connected with backup pad (131) of fixed pipe (13), conveyer pipe (12) are kept away from one end of flowmeter (2) is located in fixed pipe (13) to be located the top surface of backup pad (131), conveyer pipe (12) are located one end outer wall fixedly connected with oil filter joint (121) in fixed pipe (13), the other end of oil filter joint (121) is located the below of backup pad (131).
2. The frock of certain type of survey oil filter flow resistance of claim 1, characterized in that: the other end of the connecting head (31) is hermetically connected with external conveying equipment through a pipeline.
3. The frock of certain type of survey oil filter flow resistance of claim 1, characterized in that: the bottom end of the fixed pipe (13) is in threaded connection with a limiting pipe (14), the inner wall of the limiting pipe (14) is fixedly connected with a limiting fixed plate (141), and a limiting moving plate (142) is elastically connected to the upper portion of the limiting fixed plate (141).
4. The frock of certain type of survey oil filter flow resistance of claim 3, characterized in that: the top surface fixedly connected with of spacing fixed plate (141) a plurality of equidistance evenly distributed's spring (143), spacing movable plate (142) pass through spring (143) with spacing fixed plate (141) elastic connection.
5. The frock of certain type of survey oil filter flow resistance of claim 3, characterized in that: an internal thread (1301) is formed on the inner wall of the bottom end of the fixed pipe (13), and an external thread (1401) corresponding to the internal thread (1301) is formed on the outer wall of the top end of the limiting pipe (14).
6. The frock of certain type of survey oil filter flow resistance of claim 4, characterized in that: the middle position of the limiting fixing plate (141) is provided with a first yielding hole (1411), and the middle position of the limiting moving plate (142) is provided with a second yielding hole (1421) corresponding to the first yielding hole (1411).
7. The method for measuring the filtering flow resistance of certain type of oil is characterized by comprising the following steps: the detection method by using the tool for detecting the oil filter flow resistance according to any one of claims 1 to 6 specifically comprises the following steps:
And S1, measuring the pressure point flow and pressure of the tool under the condition of no oil filter.
s2, installing the oil filter to be tested in the tool, testing the flow rate, enabling the flow rate of the pressure point to reach the flow rate under the condition of not installing the oil filter, and then measuring the pressure of the pressure point.
And S3, comparing the pressure difference of the pressure points of the oil filter without oil filter and the pressure points of the oil filter with the pressure points of the oil.
CN201910617659.4A 2019-07-10 2019-07-10 Tool and method for measuring certain type of oil filtering flow resistance Pending CN110553966A (en)

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