阅读说明：本技术 一种发动机油路结构及车辆 (Engine oil circuit structure and vehicle ) 是由 鲁志远 张莹 乔彦超 代春雨 于 2020-06-05 设计创作，主要内容包括：本发明涉及发动机技术领域,特别涉及一种发动机油路结构及车辆,包括：滤清器、连接油道、主油道、过滤装置和控制反馈装置,所述连接油道的一端与所述滤清器连通,所述连接油道的另一端与所述主油道连通；所述过滤装置设置在所述连接油道上,用于过滤流经所述连接油道内的机油；所述控制反馈装置与所述滤清器连接,所述控制反馈装置用于反馈所述滤清器的过滤工况。通过在连接油道内设置过滤装置,当滤清器滤纸堵塞失效时,未经过滤的机油在流经连接油道时通过过滤装置过滤,避免未经过过滤机油直接进入摩擦副造成发动机异常磨损；同时,通过反馈装置反馈滤清器工况,提醒用户及时更换滤清器滤纸。(The invention relates to the technical field of engines, in particular to an engine oil way structure and a vehicle, which comprise: the oil-gas separation device comprises a filter, a connecting oil duct, a main oil duct, a filtering device and a control feedback device, wherein one end of the connecting oil duct is communicated with the filter, and the other end of the connecting oil duct is communicated with the main oil duct; the filtering device is arranged on the connecting oil duct and is used for filtering the engine oil flowing through the connecting oil duct; the control feedback device is connected with the filter and used for feeding back the filtering condition of the filter. By arranging the filtering device in the connecting oil duct, when filter paper of the filter is blocked and fails, unfiltered engine oil is filtered by the filtering device when flowing through the connecting oil duct, so that abnormal abrasion of an engine caused by the fact that the unfiltered engine oil directly enters a friction pair is avoided; meanwhile, the working condition of the filter is fed back through the feedback device, and a user is reminded of replacing filter paper in time.)

1. An engine oil path structure characterized by comprising: a filter (1), a connecting oil duct (2), a main oil duct (3), a filtering device and a control feedback device,

one end of the connecting oil duct (2) is communicated with the filter (1), and the other end of the connecting oil duct (2) is communicated with the main oil duct (3);

the filtering device is arranged on the connecting oil duct (2) and is used for filtering the engine oil flowing through the connecting oil duct (2);

the control feedback device is connected with the filter (1) and used for feeding back the filtering condition of the filter (1).

2. The engine oil circuit structure according to claim 1, characterized in that the filter (1) includes a cylinder block (101), an oil outlet passage (102), a first filter structure (104), and a sealing valve (105),

the oil outlet channel (102) is arranged in the cylinder body (101), a sealing valve (105) is arranged at the upper part of the oil outlet channel (102), and the oil outlet channel (102) is communicated with the connecting oil channel (2);

an oil inlet hole (103) is formed in the circumferential direction of the side wall of the oil outlet channel (102), and the first filtering structure (104) is arranged outside the side wall of the oil outlet channel (102) in the circumferential direction.

3. The engine oil circuit structure according to claim 2, characterized in that the filter device includes a second filter structure (502), and the second filter structure (502) is provided in the connecting oil passage (2).

4. The engine oil circuit structure according to claim 3, characterized in that the filter device further includes: the oil-water separation device comprises a slideway (503) and a driving mechanism, wherein the slideway (503) penetrates through the connecting oil duct (2), and the slideway (503) is communicated with the inside of the connecting oil duct (2);

the second filter structure (502) is disposed within the chute (503);

the driving mechanism is connected with the second filtering structure (502), and the driving mechanism is used for driving the second filtering structure (502) to move in the slideway (503) according to the filtering condition of the filter (1).

5. The engine oil circuit structure according to claim 4, characterized in that the control feedback device includes a controller, and the driving mechanism is connected with the controller, and the controller is configured to send filtering condition information of the filter (1) and control the driving mechanism according to the filtering condition information.

6. The engine oil circuit structure according to claim 5, characterized in that the drive mechanism is an electromagnetic control valve (501).

7. The engine oil circuit structure according to claim 6, characterized in that the control feedback means includes a feedback oil passage (401), and one end of the feedback oil passage (401) is provided at an upper portion of the sealing valve (105) and the other end is connected to the electromagnetic control valve (501).

8. The engine oil circuit structure according to claim 5, characterized in that the drive mechanism is a drive motor.

9. The engine oil circuit structure according to claim 8, characterized in that the control feedback means includes a sensor for acquiring a filtering condition of the filter (1).

10. A vehicle characterized by comprising the engine oil circuit structure according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of engines, in particular to an engine oil way structure and a vehicle.

Background

With the continuous development of the automobile industry, the competition between automobile enterprises is more intense, and higher requirements on the safety, quality, emission and cost of products are put forward. Meanwhile, the customer also puts higher demands on the aspects of reliability, NVH, service life and the like of the vehicle.

An engine oil filtering device is needed on an engine oil circulating oil path of the engine, so that the circulating engine oil is filtered and then conveyed to parts needing to be lubricated again, the mechanical motion performance is improved, and the normal work of the engine is ensured. The existing engine high-pressure oil circuit arrangement scheme mainly filters high-pressure engine oil pumped by an engine oil pump through an engine oil filter, removes impurities in the engine oil, and avoids the problems of bearing pull, axle seizure, abnormal sound and the like caused by the fact that the engine oil carrying the impurities enters a high-speed rotating friction pair.

In the existing oil circuit arrangement scheme, due to abnormal wear or untimely maintenance, impurities in an oil filter are excessive, the filter paper is blocked gradually, after a certain limit value is reached, the filter paper loses the filtering effect, engine oil does not pass through the filter paper and directly enters a main oil channel from a bypass valve channel, unfiltered engine oil enters each friction pair rotating at a high speed, and then engine faults such as bearing pulling, axle seizure and the like are caused, and further the abnormal wear of an engine is caused.

Disclosure of Invention

The invention aims to solve the technical problem that the existing high-pressure oil way arrangement scheme cannot feed back the abnormal abrasion of an engine caused by the fact that the engine oil containing impurities enters a friction pair after a filter fails to filter.

In order to solve the technical problem, in a first aspect, an embodiment of the present application discloses an engine oil path structure, including: a filter, a connecting oil duct, a main oil duct, a filtering device and a control feedback device,

one end of the connecting oil duct is communicated with the filter, and the other end of the connecting oil duct is communicated with the main oil duct;

the filtering device is arranged on the connecting oil duct and is used for filtering the engine oil flowing through the connecting oil duct;

the control feedback device is connected with the filter and used for feeding back the filtering working condition of the filter.

Further, the filter comprises a cylinder body, an oil outlet channel, a first filtering structure and a sealing valve,

the oil outlet channel is arranged in the cylinder body, a sealing valve is arranged at the upper part of the oil outlet channel, and the oil outlet channel is communicated with the connecting oil channel;

the lateral wall circumference of oil outlet way is equipped with the inlet port, first filtration circumference sets up outside the lateral wall of oil outlet way.

Further, the filtering device comprises a second filtering structure, and the second filtering structure is arranged in the connecting oil passage.

Further, the filtering apparatus further includes: the slideway penetrates through the connecting oil duct and is communicated with the inside of the connecting oil duct;

the second filtering structure is arranged in the slideway;

the driving mechanism is connected with the second filtering structure and used for driving the second filtering structure to move in the slideway according to the filtering working condition of the filter.

Furthermore, the control feedback device comprises a controller, the driving mechanism is connected with the controller, and the controller is used for sending the filtering condition information of the filter and controlling the driving mechanism according to the filtering condition information.

Further, the driving mechanism is an electromagnetic control valve.

Further, the control feedback device comprises a feedback oil channel, one end of the feedback oil channel is arranged at the upper part of the sealing valve, and the other end of the feedback oil channel is connected with the electromagnetic control valve.

Further, the driving mechanism is a driving motor.

Further, the control feedback device comprises a sensor, and the sensor is used for acquiring the filtering condition of the filter.

In a second aspect, embodiments of the present application disclose a vehicle including an engine oil passage structure as described above.

By adopting the technical scheme, the engine oil way structure and the vehicle have the following beneficial effects:

according to the oil way structure of the engine, the filtering device is arranged in the connecting oil duct, when filter paper of a filter is blocked and loses efficacy, unfiltered engine oil flows through the connecting oil duct and is filtered by the filtering device, and abnormal abrasion of the engine caused by the fact that the unfiltered engine oil directly enters a friction pair is avoided; meanwhile, the working condition of the filter is fed back through the feedback device, and a user is reminded of replacing filter paper in time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of an engine oil circuit configuration according to an embodiment of the present application;

FIG. 2 is a schematic view of a filter construction according to an embodiment of the present application;

the following is a supplementary description of the drawings:

1-a filter; 101-cylinder body; 102-oil outlet channel; 103-oil inlet hole; 104-a first filter structure; 105-a sealing valve; 106-bypass valve passage; 107-an elastic member; 2-connecting an oil duct; 3-a main oil gallery; 401-feedback oil passage; 501-electromagnetic control valve; 502-a second filter structure; 503-a slide; 504-return spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the use process of an automobile engine, colloid and dirt in an oil duct are continuously increased, and in the prior art, high-pressure engine oil pumped out by an engine oil pump is filtered by an engine oil filter to remove the dirt in the engine oil. When dirt in the engine oil blocks filter paper of the filter, the filter fails to filter. Unfiltered engine oil can enter a friction pair to cause abnormal abrasion of an engine on one hand, and dirty engine oil can deposit on an oil path to narrow the oil path and cannot sufficiently reach the friction pair to cause abrasion of the engine on the other hand.

As shown in fig. 1, the present embodiment discloses an engine oil path structure, including: the oil-gas separation device comprises a filter 1, a connecting oil duct 2, a main oil duct 3, a filtering device and a control feedback device, wherein one end of the connecting oil duct 2 is communicated with the filter 1, and the other end of the connecting oil duct 2 is communicated with the main oil duct 3; the filtering device is arranged on the connecting oil channel 2 and is used for filtering the engine oil flowing through the connecting oil channel 2; the control feedback device is connected with the filter 1 and used for feeding back the filtering working condition of the filter 1.

According to the oil way structure of the engine, the filtering device is arranged in the connecting oil duct 2, when filter paper of the filter 1 is blocked and loses efficacy, unfiltered engine oil flows through the connecting oil duct 2 and is filtered by the filtering device, and abnormal abrasion of the engine caused by the fact that the unfiltered engine oil directly enters a friction pair is avoided; simultaneously, feed back 1 operating mode of filter through feedback device, remind the user in time to change 1 filter paper of filter.

In the embodiment of the application, as shown in fig. 1, the connecting oil passage 2 is used for connecting an oil outlet of the filter 1 and the main oil passage 3, and engine oil enters each friction pair through the main oil passage 3. The connecting oil duct 2 is internally provided with a filtering device, optionally, the filtering device is fixedly arranged in the connecting oil duct 2, engine oil enters the connecting oil duct 2 after being filtered by the filter 1, and the filtering device carries out secondary filtering on the engine oil flowing through the connecting oil duct 2. If the filter 1 fails to filter, the filtering device can still filter the engine oil containing impurities, and the engine oil which is not filtered is prevented from directly entering the main oil gallery 3. In some embodiments, the filtering device may be disposed outside the connecting oil passage 2, and when the filter 1 fails to filter, the filtering device may enter the connecting oil passage 2 to filter the engine oil flowing through the connecting oil passage 2, so as to ensure the filtering quality of the engine oil entering the main oil passage 3. The control feedback device is connected with the filter 1 and can collect the filtering quality of the filter 1 to circulating engine oil, after the control feedback device collects the filtering working condition of the filter 1, relevant information is fed back to the vehicle control unit, and the vehicle control unit sends out a warning signal to a user.

As shown in fig. 2, the filter 1 includes a cylinder body 101, an oil outlet passage 102, a first filtering structure 104 and a sealing valve 105, the oil outlet passage 102 is disposed in the cylinder body 101, the sealing valve 105 is disposed at an upper portion of the oil outlet passage 102, and the oil outlet passage 102 is communicated with the connecting oil passage 2; an oil inlet hole 103 is circumferentially formed in the side wall of the oil outlet channel 102, and a first filtering structure 104 is circumferentially arranged outside the side wall of the oil outlet channel 102.

In the embodiment of the present application, as shown in fig. 2, the cylinder body 101 is a tubular or cylindrical structure having an inner cavity, the oil outlet channel 102 is disposed in the cylinder body 101, the oil outlet channel 102 has a smaller contour size than the cylinder body 101, the first filtering structure 104 is circumferentially disposed on the outer side of the oil outlet channel 102, and optionally, the first filtering structure 104 is filter paper or a filter screen. The oil outlet channel 102 is provided with a plurality of oil inlets 103, the engine oil is filtered by filter paper in the cylinder body 101 of the filter 1 and then enters the oil outlet channel 102 through the oil inlets 103 on the oil outlet channel 102, and the outlet of the oil outlet channel 102 is connected with the connecting oil channel 2. An elastic member 107 is arranged in the oil outlet channel 102, and optionally, the elastic member 107 is a return spring. The top end of the elastic member 107 is provided with a sealing valve 105, the sealing valve 105 is matched with the inner wall of the oil outlet channel 102, and the sealing valve 105 can seal the oil outlet channel 102.

As shown in fig. 2, a bypass valve channel 106 is further provided at the top of the cylinder 101, when the first filter structure 104 is blocked, the oil cannot pass through the first filter structure 104 and enter the oil outlet channel 102, the oil accumulates in the cylinder 101, the oil level continuously rises to the bypass valve channel 106, the oil accumulates on the sealing valve 105 through the bypass valve channel 106, and the elastic member 107 is compressed to lower the sealing valve 105. When the filter 1 is in normal operation, since the oil enters the oil outlet channel 102 from the outside of the first filter structure 104, the impurities in the first filter structure 104 are reduced in sequence from the outside to the inside, and therefore, when the outside of the first filter structure 104 is blocked, the oil can still pass through the inside. When the sealing valve 105 descends to a certain height, the engine oil reversely enters the first filter structure 104 from the oil inlet 103 above the sealing valve 105, and then enters the oil inlet 103 below the sealing valve 105 from the first filter structure 104 to enter the oil outlet channel 102, and at this time, although the engine oil is filtered to a certain degree, the engine oil still contains more impurities.

The filtering apparatus includes a second filter structure 502, and the second filter structure 502 is provided in the connecting oil passage 2.

In the embodiment of the present application, the second filtering structure 502 is a filtering structure such as a filter element, filter paper, or a filter screen. In some embodiments, the second filtering structure 502 is directly fixed in the connecting oil passage 2 by means of snap welding or the like.

The filter device further includes: the slideway 503 penetrates through the connecting oil duct 2, and the slideway 503 is communicated with the inside of the connecting oil duct 2; the second filter structure 502 is disposed within a slide 503; the driving mechanism is connected with the second filtering structure 502, and the driving mechanism is used for driving the second filtering structure 502 to move in the slideway 503 according to the filtering condition of the filter 1.

In the embodiment of the present application, as shown in fig. 1, a slideway 503 is provided on the connecting oil passage 2, the slideway 503 is cross-connected with the connecting oil passage 2 at a certain angle, and the inside of the connecting oil passage 2 is communicated with the slideway 503. The second filter structure 502 is disposed within a slide 503 and is capable of sliding within the slide 503. One end of the second filtering structure 502 is connected to a driving mechanism, and optionally, the driving mechanism is a driving motor, an electromagnetic valve, or the like. When the filter 1 works normally, the second filtering structure 502 rests in the slide 503; when the filter 1 is in an abnormal working condition, the driving mechanism pushes the second filtering structure 502 to the connecting oil passage 2, so that the engine oil flowing through the connecting oil passage 2 enters the main oil passage 3 after being filtered by the second filtering structure 502.

The control feedback device comprises a controller, the driving mechanism is connected with the controller, and the controller is used for sending the filtering condition information of the filter 1 and controlling the driving mechanism according to the filtering condition information.

In the embodiment of the application, the control feedback device comprises a controller, the filter condition of the filter 1 is obtained by the controller, and the obtained filter condition information is sent to the vehicle control unit. In some embodiments, the controller is further connected to a driving mechanism in the filter device, and when the controller obtains that the filtering condition of the filter 1 is an abnormal working condition, the driving mechanism is activated to drive the second filtering structure 502.

The drive mechanism is an electromagnetic control valve 501.

In the embodiment of the present application, as shown in fig. 1, a solenoid control valve 501 is connected to one end of the second filter structure 502. The electromagnetic control valve 501 is internally provided with a controller, and when the controller acquires that the filtering condition of the filter 1 is an abnormal working state, the electromagnetic control valve 501 acts to push the second filtering structure 502 to move to the connecting oil passage 2 in the slideway 503. In some embodiments, the electromagnetic control valve 501 is connected to a return spring 504, the return spring 504 is connected to one end of the second filtering structure 502, and the electromagnetic control valve 501 pushes the return spring 504 to further push the second filtering structure 502 to move in the slideway 503 when acting, so that there is a certain buffer between the second filtering structure 502 and the electromagnetic control valve 501, and when the second filtering structure 502 returns to the original position in the slideway 503 from the connecting oil gallery 2, there is a certain hysteresis in the action to ensure that the oil without impurities enters the main oil gallery 3.

The control feedback means includes a feedback oil passage 401, and one end of the feedback oil passage 401 is provided at the upper portion of the sealing valve 105, and the other end is connected to the electromagnetic control valve 501.

In the embodiment of the application, as shown in fig. 1 and fig. 2, in the filter 1, one side surface of the sealing valve 105 is connected with the elastic member 107, the upper portion of the other side surface is provided with the feedback oil channel 401, optionally, the feedback oil channel 401 is fixed on the upper portion of the sealing valve 105, and a certain gap is formed between the oil inlet 103 of the feedback oil channel 401 and the sealing valve 105; optionally, the feedback oil channel 401 is connected to the sealing valve 105, and an oil inlet/hole is formed at a connection position on the feedback oil channel 401. The other end of the feedback oil channel 401 is connected with the electromagnetic control valve 501, when engine oil is present on the sealing valve 105, a part of the engine oil enters the feedback oil channel 401 along with accumulation of the engine oil, and a controller in the electromagnetic control valve 501 senses the pressure of the engine oil in the feedback oil channel 401, on one hand, the controller acts to push the second filtering structure 502 to enter the filtering oil channel, and on the other hand, the controller sends a feedback signal to the vehicle control unit.

The driving mechanism is a driving motor.

In some embodiments, as shown with reference to fig. 1, a drive motor is coupled to one end of the second filter structure 502. The driving motor is internally provided with a controller, when the controller acquires that the filtering working condition of the filter 1 is an abnormal working state, the controller controls the driving motor to work, and the driving motor pushes the second filtering structure 502 to move to the connecting oil duct 2 in the slideway 503.

The control feedback means comprises a sensor for acquiring the filtering condition of the filter 1.

In some embodiments, referring to fig. 2, the sensor is disposed on the sealing valve 105, the sensor is a liquid level sensor, and is configured to obtain oil level depth information of the upper portion of the sealing valve 105 in real time and send the liquid level depth information to the controller, and the controller sends feedback information to the vehicle control unit by processing the liquid level depth information, and controls the driving mechanism to operate. In other embodiments, the sensor may also be a hydraulic sensor, and optionally, the hydraulic sensor is disposed on the sealing valve 105, or may also be disposed on the cylinder 101, and the pressure information is sent to the controller by measuring the oil pressure at the corresponding position, and the controller determines whether the pressure information exceeds the threshold value to perform a feedback action.

The embodiment of the application also discloses a vehicle, which comprises the engine oil way structure.

In the embodiment of the application, in a normal working state, engine oil pumped by the engine oil pump enters the filter 1 through the transmission oil passage, then passes through the first filtering structure 104, and after the engine oil is filtered by the first filtering structure 104, enters the oil outlet channel 102 inside the filter 1, and finally exits through the oil outlet of the filter 1. The filtered engine oil enters a friction pair required by the engine to meet the operation requirement of the engine.

As shown in fig. 1 and fig. 2, when the first filtering structure 104 is blocked due to an abnormal cause, the engine oil cannot enter the oil passage inside the filter 1 through the first filtering structure 104, the liquid level and the pressure of the engine oil outside the first filtering structure 104 gradually increase as the engine oil inside the filter 1 gradually accumulates, then the engine oil in the filter 1 gradually compresses the sealing valve 105 through the bypass valve passage 106, the sealing valve 105 moves downward as the pressure increases, the engine oil simultaneously enters the oil passage 102 and the feedback oil passage 401, and the engine oil which is not filtered enters the connecting oil passage 2 through the oil passage 102. Meanwhile, the engine oil in the feedback oil channel 401 enters the electromagnetic control valve 501, the electromagnetic control valve 501 receives an engine oil pressure signal to push out the return spring 504, the second filtering structure 502 enters the connecting oil channel 2 to filter the engine oil passing through the connecting oil channel 2, and therefore the engine oil entering the engine is still filtered. On the other hand, the electromagnetic valve feeds back the vehicle control unit through the received engine oil pressure signal, and the vehicle control unit warns a driver of the current driving risks such as abnormal abrasion and axle seizure through modes such as instrument board alarming, so that personnel in the vehicle are protected to the maximum extent.

The embodiment of the application engine oil circuit structure, increase the control feedback device in filter 1 to and increase filter equipment in 2 departments of connecting the oil duct, after filter paper is out of work as filter 1, the operating mode of control feedback device feedback filter 1, the filter equipment of control filters the machine oil that gets into connecting oil duct 2 simultaneously, thereby avoids not directly getting into the friction pair through the filter machine oil. And displaying by a synchronous instrument to warn a driver of the current driving risk.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.