CN210037630U - Oil circuit cleanliness monitoring system - Google Patents
Oil circuit cleanliness monitoring system Download PDFInfo
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- CN210037630U CN210037630U CN201920499179.8U CN201920499179U CN210037630U CN 210037630 U CN210037630 U CN 210037630U CN 201920499179 U CN201920499179 U CN 201920499179U CN 210037630 U CN210037630 U CN 210037630U
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Abstract
The utility model discloses an oil circuit cleanliness monitoring system, this kind of equipment of oil circuit cleanliness monitoring includes test circuit, wash pipe way and oil return circuit, vacuum pump connection is to first pressure vessel and second pressure vessel, be connected with the test master cylinder on the pipeline between first pressure vessel and the second pressure vessel, gas circuit trigeminy piece is connected to first pressure vessel and second pressure vessel, the positive pressure source is connected to the one end of gas circuit trigeminy piece, be equipped with out oil hydraulic solenoid valve on the pipeline of first pressure vessel and test master cylinder, it places the container to be equipped with filter paper on the pipeline between test master cylinder and the second pressure vessel in proper order, flow sensor and oil feed hydraulic solenoid valve, be provided with the wash pipe way between gas circuit trigeminy piece and the test master cylinder, still be provided with oil return circuit between first pressure vessel and the second pressure vessel. In this way, the utility model discloses can guarantee that brake fluid can not flow back, empty brake fluid, let the pipeline can not receive the soaking corrosion, can effectively utilize brake fluid, practice thrift the cost.
Description
Technical Field
The utility model relates to the field of automotive technology, especially, relate to oil circuit cleanliness monitoring system.
Background
At present, with the development of domestic economy, automobiles almost become vehicles essential for human trip, the automobiles are various, in order to ensure the stable safety performance of the automobiles, continuous simulation tests on each part are required in the research stage so as to find problems and timely upgrade and improve the problems, a brake system is a crucial link in all safety systems, a main cylinder of a pedal part generates hydraulic pressure by machinery, then the system performs braking action, the stability of the main cylinder is continuously tested, the main cylinder generates some friction in the work, in order to ensure that impurities generated by the friction are in a normal range, the simulation by the hydraulic system is required to be performed, the test is realized by being closer to a real environment, the current common oil circuit cannot meet the corrosion resistance requirement, and a hydraulic electromagnetic valve cannot normally work under a negative pressure system, based on the defects and the defects, and designing an oil outlet cleanliness monitoring system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides oil circuit cleanliness monitoring system, can guarantee that brake fluid can not flow back, can empty brake fluid, lets the pipeline can not receive the soaking corrosion, can effectively utilize brake fluid, and material saving cost improves personnel work efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme be: the oil way cleanliness monitoring system is provided, the oil way cleanliness monitoring equipment comprises a testing loop, a flushing pipeline and an oil return loop, the testing loop comprises a vacuum pump, a first pressure container, a second pressure container, a testing main cylinder, an air way triple piece, an oil outlet hydraulic electromagnetic valve, a filter paper placing container, a flow sensor and an oil inlet hydraulic electromagnetic valve, the vacuum pump is connected to the first pressure container and the second pressure container through a vacuum electromagnetic valve V102 and a vacuum electromagnetic valve V103 respectively, the vacuum pump is used for keeping positive and negative pressure balance of the two pressure containers in the hydraulic loop, the testing main cylinder is connected to a pipeline between the first pressure container and the second pressure container, the air way triple piece is connected to the first pressure container and the second pressure container through an air way electromagnetic valve V101A and an air way electromagnetic valve V101B respectively, one end of the air way triple piece is connected with a positive pressure source, and the oil outlet hydraulic electromagnetic valve is arranged on the pipelines, the pipeline between the testing main cylinder and the second pressure container is sequentially provided with a filter paper placing container, a flow sensor and an oil inlet hydraulic electromagnetic valve, a flushing pipeline is arranged between the air path triple piece and the testing main cylinder, and an oil return loop is also arranged between the first pressure container and the second pressure container.
Preferably, the first pressure vessel and the second pressure vessel adopt stainless steel oil storage tanks, and the surfaces of the stainless steel oil storage tanks are subjected to electroplating treatment, so that the stainless steel oil storage tanks are suitable for corrosion-resistant high-pressure environments.
Preferably, the gas circuit triple piece consists of a dryer, an oil mist separator and a gas source pressure regulating valve, and is used for ensuring that a gas source connected to the pressure container and the test master cylinder is stable, clean, water-free and oil-free.
Preferably, the sealing rings of the oil outlet hydraulic electromagnetic valve and the oil inlet hydraulic electromagnetic valve are made of fluororubber sealing rings, the valve body is made of brass, the hydraulic circuit fault caused by corrosion of brake fluid on the valve body in flowing is effectively prevented, the stop valves are arranged on pipelines on the rear sides of the oil outlet hydraulic electromagnetic valve and the oil inlet hydraulic electromagnetic valve and are sealed by hard stainless steel, corrosive liquid can completely pass through the stop valves without consideration, and the sealing performance is better.
Preferably, the flow sensor detects the flow rate of the brake fluid by ultrasonic waves, can detect the real-time flow rate, and ensures that the hydraulic circuit can stop working in time when the flow rate is reached.
Preferably, the test circuit further comprises an air cylinder and a two-position five-way air path electromagnetic valve, one end of the air cylinder is connected to the test main cylinder, the other end of the air cylinder is connected to the two-position five-way air path electromagnetic valve, and the two-position five-way air path electromagnetic valve is connected to the positive pressure source.
Preferably, the test circuit further comprises float level meters, wherein the float level meters are arranged in the first pressure container and the second pressure container, and can detect the liquid levels in the first pressure container and the second pressure container, so that the system stops when the liquid level is high or low.
Preferably, the flushing pipeline comprises a pipeline emptying electromagnetic valve, the gas circuit triple piece is connected to the pipeline emptying electromagnetic valve through a pipeline, the pipeline emptying electromagnetic valve is connected to the test main cylinder through a pipeline, and a stop valve is installed on the pipeline on the rear side of the pipeline emptying electromagnetic valve.
Preferably, the oil return loop comprises a three-way exhaust switch, an oil return hydraulic electromagnetic valve and an oil filter, the upper parts of the first pressure container and the second pressure container are connected through a pipeline, the three-way exhaust switch is installed on the pipeline, stop valves are arranged on pipelines on two sides of the three-way exhaust switch, the upper part of the second pressure container and the bottom of the first pressure container are connected through a pipeline, the oil return hydraulic electromagnetic valve and the oil filter are sequentially arranged from the second pressure container to the pipeline of the first pressure container, and the stop valve is arranged on the pipeline on the rear side of the oil return hydraulic electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that:
the brake fluid can not flow back by using the hard seal stop valve, and the problem that the hydraulic electromagnetic valve cannot be used in a negative pressure environment can be solved;
the flushing pipeline is arranged to fully discharge the brake fluid in the pipeline to the second pressure container, so that the brake fluid is emptied, and the pipeline is prevented from being corroded by soaking;
the float liquid level meter can be arranged, so that the condition of full cavity or hollow cavity is avoided, and the safety and durability of the equipment are ensured;
the brake fluid circulates in the two pressure containers all the time, the brake fluid can be effectively utilized, the material cost is saved, the operator does not need to frequently replace the brake fluid, and the working efficiency of the operator is improved.
Drawings
Fig. 1 is a schematic structural diagram of an oil circuit cleanliness monitoring system.
Fig. 2 is a schematic structural diagram of a test circuit of the oil circuit cleanliness monitoring system.
Fig. 3 is a schematic structural diagram of a flushing pipeline of the oil way cleanliness monitoring system.
Fig. 4 is a schematic structural diagram of an oil return circuit of the oil way cleanliness monitoring system.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
an oil circuit cleanliness monitoring system comprises a testing loop 1, a flushing pipeline 2 and an oil return loop 3, wherein the testing loop 1 comprises a vacuum pump 11, a first pressure container 12, a second pressure container 13, a testing main cylinder 14, an air circuit triple piece 15, an oil outlet hydraulic electromagnetic valve 16, a filter paper placing container 17, a flow sensor 18 and an oil inlet hydraulic electromagnetic valve 19, the vacuum pump 11 is respectively connected to the first pressure container 12 and the second pressure container 13 through a vacuum electromagnetic valve V102 and a vacuum electromagnetic valve V103, the vacuum pump 11 is used for keeping positive and negative pressure balance of the two pressure containers in a hydraulic loop, the testing main cylinder 14 is connected to a pipeline between the first pressure container 12 and the second pressure container 13, the air circuit triple piece 15 is respectively connected to the first pressure container 12 and the second pressure container 13 through an air circuit electromagnetic valve V101A and an air circuit electromagnetic valve V101B, one end of the gas path triple piece 15 is connected with a positive pressure source, an oil outlet hydraulic electromagnetic valve 16 is arranged on a pipeline of the first pressure container 12 and the testing main cylinder 14, a filter paper placing container 17, a flow sensor 18 and an oil inlet hydraulic electromagnetic valve 19 are sequentially arranged on a pipeline between the testing main cylinder 14 and the second pressure container 13, a flushing pipeline 2 is arranged between the gas path triple piece 15 and the testing main cylinder 14, and an oil return loop 3 is also arranged between the first pressure container 12 and the second pressure container 13.
The first pressure container 12 and the second pressure container 13 adopt stainless steel oil storage tanks, and the surfaces of the stainless steel oil storage tanks are subjected to electroplating treatment, so that the stainless steel oil storage tanks are suitable for corrosion-resistant high-pressure environments.
The gas circuit triple piece 15 consists of a dryer, an oil mist separator and a gas source pressure regulating valve, and is used for ensuring that a gas source connected to the pressure container and the test main cylinder 14 is stable, clean, water-free and oil-free.
The sealing rings of the oil outlet hydraulic electromagnetic valve 16 and the oil inlet hydraulic electromagnetic valve 19 are made of fluororubber sealing rings, the valve body is made of brass, brake fluid is effectively prevented from corroding the valve body in flowing to cause hydraulic circuit faults, the pipelines on the rear sides of the oil outlet hydraulic electromagnetic valve 16 and the oil inlet hydraulic electromagnetic valve 19 are provided with stop valves, the stop valves are sealed by hard stainless steel, corrosive liquid can completely pass through the stop valves without consideration, and the sealing performance is better.
The flow sensor 18 detects the brake fluid flow by using ultrasonic waves, the float liquid level meter 18 can detect the liquid levels in the first pressure container and the second pressure container, and the system stops working when the liquid level is high or low.
The test circuit 1 further includes a cylinder 110 and a two-position five-way air path solenoid valve 111, one end of the cylinder 110 is connected to the test master cylinder 14, the other end of the cylinder 110 is connected to the two-position five-way air path solenoid valve 111, and the two-position five-way air path solenoid valve 111 is connected to a positive pressure source.
The test circuit 1 further comprises a float liquid level meter 112, wherein the float liquid level meters 112 are arranged in the first pressure container 12 and the second pressure container 13, and the float liquid level meters 112 can detect that the liquid levels of the first pressure container 12 and the second pressure container 13 are high or low and stop in time.
The flushing pipeline 2 comprises a pipeline emptying electromagnetic valve 21, the air channel triple piece 15 is connected to the pipeline emptying electromagnetic valve 21 through a pipeline, the pipeline emptying electromagnetic valve 21 is connected to the testing main cylinder 14 through a pipeline, and a stop valve is installed on the pipeline on the rear side of the pipeline emptying electromagnetic valve 21.
The oil return loop 3 comprises a three-way exhaust switch 31, an oil return hydraulic electromagnetic valve 32 and an oil filter 33, the upper parts of the first pressure container 12 and the second pressure container 13 are connected through a pipeline, the three-way exhaust switch 31 is installed on the pipeline, stop valves are arranged on pipelines on two sides of the three-way exhaust switch 31, the upper parts of the second pressure container 13 and the bottom of the first pressure container 12 are connected through a pipeline, the oil return hydraulic electromagnetic valve 32 and the oil filter 33 are sequentially arranged from the second pressure container 13 to the pipeline of the first pressure container 12, and a stop valve is arranged on a pipeline on the rear side of the oil return hydraulic electromagnetic valve 32.
The utility model discloses oil circuit cleanliness monitoring system during operation, brake fluid are full of the pipeline and prepare the process before experimenting: placing filter paper into a filter paper placing container 17, opening an air channel electromagnetic valve V101A, enabling positive pressure to enter a first pressure container 12, enabling the positive pressure to push brake fluid in the first pressure container 12 to flow to an oil outlet hydraulic electromagnetic valve 16, opening the oil outlet hydraulic electromagnetic valve 16, enabling the brake fluid to flow through a testing main cylinder 14, opening an oil inlet hydraulic electromagnetic valve 19, enabling the brake fluid to enter a second pressure container 13, opening a vacuum pump 11, opening a vacuum electromagnetic valve V103, extracting vacuum, enabling a flow sensor 18 to achieve required flow, and closing all electromagnetic valves; test master cylinder 14 flush phase: the air channel electromagnetic valve V101A is opened, positive pressure enters the first pressure container 12, the positive pressure pushes the brake fluid in the first pressure container 12 to flow to the oil outlet hydraulic electromagnetic valve 16, the oil outlet hydraulic electromagnetic valve 16 is opened, the air channel electromagnetic valve 111 acts, the air cylinder 110 starts to continuously push the test master cylinder 14, the brake fluid passes through the test master cylinder 14, the oil inlet hydraulic electromagnetic valve 19 is opened, the brake fluid enters the second pressure container 13, the vacuum pump 11 is opened, the vacuum electromagnetic valve V103 is opened, vacuum is extracted, the second pressure container 13 is ensured to reach an air pressure balance state, the flow sensor 18 reaches a required flow rate, the oil outlet hydraulic electromagnetic valve 16 and the air channel electromagnetic valve V101A are closed, the pipeline emptying electromagnetic valve 21 is opened, the residual brake fluid in the pipeline is completely blown to the second pressure container 13 by the positive pressure, the blowing time is 10S, all the electromagnetic valves are closed, in this stage, the, the system is stopped, and after the work is finished, the filter paper is taken out from the filter paper placing container 17, and the state of impurities is recorded by a microscope; an oil return stage: the air path electromagnetic valve V101B is opened, the positive pressure enters the second pressure container 13, the positive pressure pushes the brake fluid to flow to the oil return hydraulic electromagnetic valve 32, the oil return hydraulic electromagnetic valve 32 is opened, the brake fluid passes through the 10um oil filter 33, the brake fluid is fully filtered and enters the first pressure container 12, the vacuum electromagnetic valve V102 is opened, the vacuum of the first pressure container 12 is pumped away, the first pressure container 12 or the second pressure container 13 is filled with the system to finish the work, all the electromagnetic valves are closed, the important point is that the brake fluid cannot flow back after the oil outlet hydraulic electromagnetic valve 16 and the oil inlet hydraulic electromagnetic valve 19 are closed, and the problem that the hydraulic electromagnetic valve cannot be used in a negative pressure environment can be solved because the stop valves V116 and V117 are reversely locked at the moment.
The utility model discloses oil circuit cleanliness monitoring system can guarantee that brake fluid can not flow back, can empty brake fluid, lets the pipeline can not receive the soaking corrosion, can effectively utilize brake fluid, and the material saving cost improves personnel work efficiency.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. Oil circuit cleanliness monitoring system, its characterized in that: the oil circuit cleanliness monitoring equipment comprises a testing loop, a flushing pipeline and an oil return loop, wherein the testing loop comprises a vacuum pump, a first pressure container, a second pressure container, a testing main cylinder, an air circuit triple piece, an oil outlet hydraulic electromagnetic valve, a filter paper placing container, a flow sensor and an oil inlet hydraulic electromagnetic valve, the vacuum pump is connected to the first pressure container and the second pressure container through a vacuum electromagnetic valve V102 and a vacuum electromagnetic valve V103 respectively, the testing main cylinder is connected to a pipeline between the first pressure container and the second pressure container, the air circuit triple piece is connected to the first pressure container and the second pressure container through an air circuit electromagnetic valve V101A and an air circuit electromagnetic valve V101B respectively, one end of the air circuit triple piece is connected with a positive pressure source, the oil outlet hydraulic electromagnetic valve is arranged on the pipeline between the first pressure container and the testing main cylinder, and the filter paper placing container is arranged on the pipeline between the testing main cylinder and, The device comprises a flow sensor, an oil inlet hydraulic electromagnetic valve, a flushing pipeline arranged between an air path triple piece and a testing main cylinder, and an oil return loop arranged between a first pressure container and a second pressure container.
2. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the first pressure container and the second pressure container adopt stainless steel oil storage tanks, and the surfaces of the stainless steel oil storage tanks are subjected to electroplating treatment.
3. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the gas circuit triple piece consists of a dryer, an oil mist separator and a gas source pressure regulating valve.
4. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the sealing rings of the oil outlet hydraulic electromagnetic valve and the oil inlet hydraulic electromagnetic valve are fluorine rubber sealing rings, the valve body is made of brass, the rear sides of the oil outlet hydraulic electromagnetic valve and the oil inlet hydraulic electromagnetic valve are provided with stop valves, and the stop valves are sealed by hard stainless steel.
5. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the flow sensor detects the flow of the brake fluid by ultrasonic waves.
6. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the test loop further comprises an air cylinder and a two-position five-way air path electromagnetic valve, one end of the air cylinder is connected to the test main cylinder, the other end of the air cylinder is connected to the two-position five-way air path electromagnetic valve, and the two-position five-way air path electromagnetic valve is connected to the positive pressure source.
7. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the test loop further comprises a float liquid level meter, and the float liquid level meters are installed in the first pressure container and the second pressure container.
8. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the flushing pipeline comprises a pipeline emptying electromagnetic valve, the gas circuit triple piece is connected to the pipeline emptying electromagnetic valve through a pipeline, the pipeline emptying electromagnetic valve is connected to the testing main cylinder through a pipeline, and a stop valve is installed on the pipeline on the rear side of the pipeline emptying electromagnetic valve.
9. The oil circuit cleanliness monitoring system according to claim 1, characterized in that: the oil return loop comprises a three-way exhaust switch, an oil return hydraulic electromagnetic valve and an oil filter, the upper portions of the first pressure container and the second pressure container are connected through a pipeline, the three-way exhaust switch is installed on the pipeline, stop valves are arranged on pipelines on two sides of the three-way exhaust switch, the upper portion of the second pressure container and the bottom of the first pressure container are connected through the pipeline, the oil return hydraulic electromagnetic valve and the oil filter are sequentially arranged from the second pressure container to the first pressure container, and the stop valves are arranged on pipelines on the rear sides of the oil return hydraulic electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499179.8U CN210037630U (en) | 2019-04-12 | 2019-04-12 | Oil circuit cleanliness monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920499179.8U CN210037630U (en) | 2019-04-12 | 2019-04-12 | Oil circuit cleanliness monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210037630U true CN210037630U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920499179.8U Active CN210037630U (en) | 2019-04-12 | 2019-04-12 | Oil circuit cleanliness monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210037630U (en) |
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2019
- 2019-04-12 CN CN201920499179.8U patent/CN210037630U/en active Active
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