CN116498415A - Active Splitters and Vehicles - Google Patents

Abstract

The present application provides an active decoupler and a vehicle. The active separator includes a separator body and a vacuum device. The separator body separates the gas-liquid mixture through the separation device. The vacuum device communicates with the separation device to extract the separated gas into the atmosphere. The vehicle provided by this application includes: an engine crankcase and an active separator connected with the engine crankcase. The problem that the pressure in the engine crankcase is positive under individual working conditions can be solved by means of a vacuum pumping device, thereby improving the efficiency of the active separator. separation efficiency.

Description

Active Splitters and Vehicles

technical field

The present application relates to the field of gas-liquid separation in a power system, in particular to an active separator and a vehicle.

Background technique

Domestic automobile emission regulations are becoming increasingly strict. The current emission regulations stipulate that the gas escaped from the engine crankcase cannot be directly discharged into the atmosphere. Some engines use an open crankcase system. The crankcase gas blowing contains oil mist. The separator separates the oil particles before being discharged to the atmosphere. Most of the oil and gas separators widely used in the market now rely on negative pressure to move gas and liquid. Since the separation efficiency is affected by the negative pressure source, the separation efficiency will vary greatly under different engine operating conditions, especially at low loads. Working conditions, the separation efficiency is low.

Contents of the invention

The present application provides an active separator and a vehicle to solve at least part of the problems in the related art.

In a first aspect, the present application provides an active separator, comprising:

The main body of the separator includes the main casing and the separation device arranged in the main casing. The main casing includes the total air inlet, the total exhaust port and the total liquid discharge port respectively connected with the separation device. The total air inlet is used to receive The gas-liquid mixture enters, the separation device is used to separate the gas-liquid mixture, the main exhaust port is used to discharge the separated gas, and the main liquid discharge port is used to discharge the separated liquid; and

The vacuum device includes a suction port and a gas outlet. The suction port communicates with the main exhaust port. The vacuum device is used to suck the separated gas through the suction port and discharge it through the gas outlet.

Optionally, the vacuum device also includes a pump wheel and a motor. The pump wheel includes blades and a shaft body connected to the blades. The blades are evenly distributed around the shaft body. The motor is connected to the shaft body. The motor is used to drive the shaft body to rotate. drive the blades to rotate.

Optionally, the extension direction of the shaft body intersects with the suction port; and/or

The active separator also includes a control circuit and a sensor. The control circuit is connected to the motor. The control circuit is used to control the rotation of the motor. The sensor is connected to the control circuit. The sensor is used to detect the gas flow and pressure drop in the separation device and generate a corresponding electrical signal, the control circuit is used to adjust the speed of the motor according to the electrical signal of the sensor.

Optionally, a connecting channel is provided between the main body of the separator and the vacuum device, and the suction port communicates with the main exhaust port through the connecting channel.

Optionally, the total air inlet is located on the side wall of the main shell, the total exhaust port is located on the upper part of the main shell, the total liquid discharge port is located on the bottom of the main shell, the connecting channel is arranged on the top of the main shell, and the vacuum pumping The unit is located above the separation unit.

Optionally, the total air inlet is located on the side wall of the main housing, the total exhaust port is located on the side wall of the main housing, and the connection channel is arranged on the side of the main housing, the total exhaust port and the connection channel are higher than the separation device, the vacuum device is located on the side of the separation device.

Optionally, the separator main body includes a pre-separation mechanism, the pre-separation mechanism and the separation device are connected in series, the pre-separation mechanism is located upstream of the gas flow, the pre-separation mechanism is used for pre-separation of the gas-liquid mixture, and the separation device is used for pre-separation The final gas-liquid mixture is subjected to gas-liquid separation.

Optionally, the pre-separation mechanism includes a pre-separation housing and a baffle, the pre-separation housing includes a pre-separation air inlet, a pre-separation liquid discharge port and a pre-separation exhaust port, and the pre-separation air inlet communicates with the total air inlet , the pre-separation liquid discharge port is set at the bottom of the pre-separation shell, the pre-separation exhaust port is set at the top of the pre-separation shell, and communicates with the separation device, and the baffle is set in the pre-separation shell up and down, surrounding the pre-separation exhaust mouth.

Optionally, the separation device includes a separation device housing, the separation device housing includes a separation air inlet and a separation outlet, the separation air inlet and the separation outlet are located at the bottom of the separation device housing, and the separation air inlet and the pre-separation exhaust port connected;

A drain channel is formed between the main shell and the pre-separation shell, the separation outlet communicates with one end of the drain channel, and the other end of the drain channel communicates with the main drain port.

Optionally, a liquid storage tank is provided at the bottom of the main housing, and the total discharge port is provided on the bottom wall of the liquid storage tank;

The main housing includes a main housing bottom wall extending transversely, and the liquid storage tank is recessed downward from the main housing bottom wall.

Optionally, there are multiple separation devices, the multiple separation devices are connected in series, and the multiple separation devices are used to separate the gas-liquid mixture multiple times.

Optionally, there are multiple separation devices, the multiple separation devices are connected in parallel, and the total air inlet communicates with the multiple separation devices.

In a second aspect, the present application provides a vehicle, comprising: an engine crankcase and the active separator according to any one of the above embodiments, connected to the engine crankcase.

The active separator provided by this application includes a separator main body and a vacuum device. The separator main body separates the gas-liquid mixture through the separation device. The vacuum device communicates with the separation device to discharge the separated gas into the atmosphere. The problem that the pressure in the crankcase of the engine is positive under individual working conditions can be solved by means of a vacuum device, thereby improving the separation efficiency of the active separator.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application.

Figure 1 is a schematic diagram of an active separator according to an exemplary embodiment of the present application;

Fig. 2 is a schematic diagram of a serial active separator according to an exemplary embodiment of the present application;

Fig. 3 is a schematic diagram of a parallel active separator according to an exemplary embodiment of the present application.

Reference signs:

1. Active separator; 2. Separator main body; 3. Vacuum pumping device; 4. Connection channel; 5. Drainage channel; 20. Main shell; 21. Separation device; 22. Pre-separation mechanism; Air port; 31, air outlet; 32, pump wheel; 33, motor; 34, control circuit; 35, sensor; 200, total air inlet; 201, total exhaust port; 202, total drain port; 203, storage Liquid tank; 204, main shell bottom wall; 210, separation device shell; 211, separation air inlet; 212, separation outlet; 220, pre-separation shell; 221, baffle plate; 222, pre-separation air inlet; 223, pre-separation drain port; 224, pre-separation exhaust port; 225, 320, blade, 321, shaft body.

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. Unless otherwise defined, the technical terms or scientific terms used in the application shall have the ordinary meanings understood by those skilled in the art to which the application belongs. "First", "second" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. "Multiple" or "several" means two or more. Unless otherwise indicated, terms such as "front", "rear", "lower" and/or "upper" are used for convenience of description only and are not intended to be limiting to a position or orientation in space. "Includes" or "comprises" and similar terms mean that the elements or items listed before "comprises" or "comprises" include the elements or items listed after "comprises" or "comprises" and their equivalents, and do not exclude other elements or objects. Words such as "connected" or "connected" are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect.

The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

The present application provides an active decoupler and a vehicle. The active separator and the vehicle of the present application will be described in detail below with reference to the accompanying drawings. If there is no conflict, the features in the following embodiments and implementations can be combined with each other.

FIG. 1 is a schematic diagram of an active separator according to an exemplary embodiment of the present application. As shown in FIG. 1 , the present application provides an active separator 1 . The active separator 1 includes: a separator main body 2 and a vacuum device 3 . The separator main body 2 comprises a main housing 20 and a separating device 21 arranged in the main housing 20, and the main housing 20 comprises a total air inlet 200, a total exhaust port 201 and a total liquid discharge port respectively communicated with the separation device 21 202. The total air inlet 200 is used to receive the gas-liquid mixture, the separation device 21 is used to separate the gas-liquid mixture, the total exhaust port 201 is used to discharge the separated gas, and the total liquid discharge port 202 is used to discharge the separated liquid. The vacuum device 3 includes an air inlet 30 and an air outlet 31. The air inlet 30 communicates with the total exhaust port 201. The vacuum device 3 is used to inhale the separated gas through the air inlet 30 and discharge it through the air outlet 31. . The gas-liquid mixture is collided with the separation device 21 to separate liquid and gas. The vacuum device 3 communicates with the separation device 21, and exhausts the gas separated by the separation device 21 into the atmosphere. The vacuum device 3 can solve the problem that the pressure in the crankcase is positive under individual working conditions, such as low-load working conditions or idling working conditions, and increase the gas flow rate in the active separator 1, thereby improving the active separator. 1 separation efficiency.

In some embodiments, the vacuum device 3 also includes a pump wheel 32 and a motor 33, the pump wheel 32 includes a blade 320 and a shaft body 321 connected to the blade 320, the blades 320 are evenly distributed around the shaft body 321, the motor 33 and the shaft body 321, the motor 33 is used to drive the shaft body 321 to rotate, and the shaft body 321 drives the blade 320 to rotate. The pump wheel 32 is simple in structure and small in size, and the motor 33 drives the pump wheel 32 to pump air, which is simple and efficient.

In some embodiments, the extension direction of the shaft body 321 intersects with the suction port, so that the pumping effect of the vacuum device 3 is better.

Preferably, the active separator 1 further includes a control circuit 34 and a sensor 35, the control circuit is connected to the motor 33, the control circuit 34 is used to control the rotation of the motor 33, the sensor 35 is connected to the control circuit 34, and the sensor 35 is used to detect the separation device 21 The gas flow and pressure drop in the gas flow and generate a corresponding electrical signal, the control circuit 34 is used to adjust the rotational speed of the motor 33 according to the electrical signal of the sensor 35 . In some embodiments, a fixed-speed motor is used to drive the pump wheel 32 . The fixed-speed motor has the advantage of low cost, but it cannot meet the requirement of variable speed, resulting in an excessively high gas flow rate in the active separator 1 under normal working conditions. In the embodiment of the present application, an adjustable-speed motor 33 is used, the gas flow and pressure drop are detected by the sensor 35 and the speed of the motor 33 is adjusted by the control circuit 34, so that the gas flow and pressure drop in the active separator 1 are at full speed. remain stable under conditions.

In some embodiments, a connecting channel 4 is provided between the separator body 2 and the vacuum device 3 , and the suction port 30 communicates with the general exhaust port 201 through the connecting channel 4 . So set, the structure is simple.

In some embodiments, the total air inlet 200 is located on the side wall of the main housing 20, the total exhaust port 201 is located on the upper part of the main housing 20, the total drain port 202 is located at the bottom of the main housing 20, and the connecting channel 4 is provided Above the main casing 20 , the vacuum device 3 is located above the separation device 21 . In some embodiments, the vertical height of the active separator 1 is not enough, a hose can be used to connect the separator main body 2 and the vacuum device 3, and the vacuum device 3 is placed on the side to optimize the space structure.

In some other embodiments, the main air inlet 200 is located on the side wall of the main housing 20, the main exhaust port 201 is located on the side wall of the main housing 20, and the connecting channel 4 is arranged on the side of the main housing 20. The exhaust port 201 and the connecting channel 4 are higher than the separation device 21 , and the vacuum device 3 is located on the side of the separation device 21 . The total exhaust port 201 and the connecting channel 4 are higher than the separation outlet 212 of the separation device 21, thereby preventing the vacuum device from pumping out the separated liquid. In addition, disposing the main exhaust port 201 and the vacuum device 3 on the side wall of the main casing 20 can also solve the problem of insufficient vertical height of the active separator 1 in some vehicle models.

In some embodiments, the separator body 2 includes a pre-separation mechanism 22, the pre-separation mechanism 22 and the separation device 21 are connected in series, and the pre-separation mechanism 22 is located upstream of the gas flow. The pre-separation mechanism 22 is used to pre-separate the gas-liquid mixture, and the separation device 21 is used to perform gas-liquid separation on the pre-separated gas-liquid mixture. The pre-separation mechanism 22 can separate the larger-diameter liquid particles in the gas-liquid mixture. Specifically, in the embodiment of the present application, the pre-separation mechanism 22 is located downstream of the separation device 21, and the pre-separated gas-liquid mixture flows from the outlet on the upper part of the pre-separation mechanism 22 to the separation device 21 located at the upstream of the pre-separation mechanism 22 and undergoes For further separation, the present application does not limit the position of the pre-separation mechanism 22 .

In some embodiments, the pre-separation mechanism 22 includes a pre-separation housing 220 and a baffle 221, the pre-separation housing 220 includes a pre-separation inlet 222, a pre-separation liquid discharge port 223 and a pre-separation exhaust port 224, and the pre-separation The air inlet 222 communicates with the total air inlet 200, the pre-separation liquid discharge port 223 is arranged at the bottom of the pre-separation housing 220, and the pre-separation exhaust port 224 is arranged at the top of the pre-separation housing 220, communicates with the separation device 21, and The plate 221 is arranged vertically in the pre-separation housing 220 and surrounds the pre-separation exhaust port 224 . The gas-liquid mixture enters the pre-separation mechanism 22 through the pre-separation air inlet 222, rotates around the baffle plate 221 and the pre-separation housing 220, and through the centrifugal force, the liquid droplets hit the housing 220, and the liquid particles with larger diameters are separated out, and discharge the pre-separation mechanism 22 along the pre-separation drain port 223. In the embodiment of the present application, the centrifugal force of the rotating gas is used for separation, and the separation efficiency is relatively high. Preferably, in some embodiments, the gas-liquid mixture is pre-separated using a labyrinth pre-separation mechanism. The separation efficiency of the labyrinth pre-separation mechanism is not high, but the pressure drop is small. The pre-separation of the pre-separation mechanism 22 in this application The method is not limited.

In some embodiments, the separation device 21 includes a separation device housing 210, the separation device housing 210 includes a separation inlet 211 and a separation outlet 212, the separation inlet 211 and the separation outlet 212 are located at the bottom of the separation device housing 210, The separation intake port 211 communicates with the pre-separation exhaust port 224 . A drain channel 5 is formed between the main housing 20 and the pre-separation housing 220 , the separation outlet 212 communicates with one end of the drain channel 5 , and the other end of the drain channel 5 communicates with the main drain port 202 . The pre-separated gas enters the separation device 21 from the separation inlet 211 for re-separation, the separated gas and liquid leave the separation device 21 through the separation outlet 212, and the separated gas leaves the separator main body 2 through the vacuum device 3 After the separated liquid passes through the independent liquid discharge channel 5 , it leaves the separator main body 2 through the main liquid discharge port 202 . In some embodiments, an orifice-type separation device is set to separate the gas-liquid mixture, that is, the gas-liquid mixture passes through the hole-shaped separation inlet 211, and hits on a material with a relatively high surface roughness such as felt or a collecting plate, Droplets are formed and separated by sedimentation. The orifice plate type separation device has better separation effect. The application does not limit the separation method of the separation device 21 . In some embodiments, the separation effect of the separation device 21 requires that the pre-separation mechanism 22 can be omitted, and only the separation device 21 can be used, thereby reducing the system resistance brought by the pre-separation mechanism 22 .

In some embodiments, the bottom of the main housing 20 is provided with a liquid storage tank 203 , and the main liquid outlet 202 is provided at the bottom wall of the liquid storage tank 203 . The liquid storage tank 203 is used to solve the problem that the liquid discharged from the main liquid discharge port 202 is too slow. Specifically, the main casing 20 includes a bottom wall of the main casing extending transversely, and the liquid storage tank 203 is recessed downward from the bottom wall of the main casing 20 .

Referring to FIG. 2 , FIG. 2 is a schematic diagram of a serial active separator according to an exemplary embodiment of the present application. There are multiple separation devices 21, and the multiple separation devices 21 are connected in series, and the multiple separation devices 21 are used to separate the gas-liquid mixture multiple times. In the embodiment of the present application, if the vertical space in the vehicle is sufficient, multiple separation devices 21 can be arranged in series to separate the gas-liquid mixture multiple times to improve the separation effect of the active separator 1 .

Referring to FIG. 3 , FIG. 3 is a schematic diagram of a parallel active separator according to an exemplary embodiment of the present application. There are multiple separating devices 21, and the multiple separating devices 21 are connected in parallel, and the total air inlet 200 communicates with the multiple separating devices 21. In the embodiment of the present application, if the horizontal space in the vehicle is sufficient, multiple separation devices can be connected in parallel, so that the gas-liquid mixture can be divided into different separation devices 21, thereby improving the separation efficiency of the active separator 1 . In addition, the use of the vacuum device 3 can counteract the negative impact of the increased flow resistance to improve the separation efficiency.

The present application also provides a vehicle, including: an engine crankcase and an active separator 1 as described in any one of the above embodiments, connected to the engine crankcase. The total air inlet 200 of the active separator 1 communicates with the air outlet of the engine crankcase, and the gas-liquid mixture discharged from the engine crankcase is discharged into the atmosphere or led to the engine after being separated by the active separator 1 The intake side burns again. The active separator 1 of the present application can be applied to traditional fuel engines and some hydrogen, methanol and natural gas engines. The vacuum device 3 can solve the problem that the pressure in the crankcase of each engine is positive, thereby avoiding harmful gases from overflowing and polluting the atmosphere. This application does not limit the application scenarios of the active separator 1 .

Other embodiments of the application will be readily apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any modification, use or adaptation of the application, these modifications, uses or adaptations follow the general principles of the application and include common knowledge or conventional technical means in the technical field not disclosed in the application . The specification and examples are to be considered exemplary only, with a true scope and spirit of the application indicated by the following claims.

It should be understood that the present application is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (13)

1. An active separator, characterized in that, comprising: The main body of the separator includes a main casing and a separation device arranged in the main casing, and the main casing includes a total air inlet, a total exhaust port and a total liquid discharge port respectively communicated with the separation device, so The total air inlet is used to receive the gas-liquid mixture, the separation device is used to separate the gas-liquid mixture, the total exhaust port is used to discharge the separated gas, and the total liquid discharge port is used to discharge the separated gas. the resulting liquid; and A vacuuming device, including a suction port and a gas outlet, the suction port communicates with the general exhaust port, the vacuum device is used to suck the separated gas through the suction port, and pass through the Exhaust air outlet. 2. The active separator according to claim 1, wherein the vacuum pumping device also includes a pump wheel and a motor, the pump wheel includes blades and a shaft connected to the blades, and the blades are uniform Distributed around the shaft body, the motor is connected to the shaft body, the motor is used to drive the shaft body to rotate, and the shaft body drives the blades to rotate. 3. The active separator according to claim 2, wherein the extension direction of the shaft intersects the suction port; and/or The active separator also includes a control circuit and a sensor, the control circuit is connected to the motor, the control circuit is used to control the rotation of the motor, the sensor is connected to the control circuit, and the sensor is used for Detecting the gas flow or pressure drop in the separation device and generating corresponding electrical signals, the control circuit is used to adjust the rotational speed of the motor according to the electrical signals of the sensor. 4. The active separator according to claim 1, characterized in that, a connecting passage is provided between the separator main body and the vacuum pumping device, and the air suction port is connected to the general assembly through the connecting passage. The exhaust port is connected. 5. The active separator according to claim 4, wherein the general air inlet is located at the side wall of the main housing, and the general exhaust port is located at the upper part of the main housing, so The main liquid outlet is located at the bottom of the main casing, the connecting channel is arranged above the main casing, and the vacuum device is located above the separation device. 6. The active separator according to claim 4, wherein the general air inlet is located on the side wall of the main housing, and the general exhaust port is located on the side wall of the main housing, In addition, the connecting channel is arranged around the main casing, the general exhaust port and the connecting channel are higher than the separating device, and the vacuuming device is located above the separating device. 7. The active separator according to claim 1, wherein the separator main body includes a pre-separation mechanism, the pre-separation mechanism and the separation device are connected in series, and the pre-separation mechanism is located at the center of the gas flow. Upstream, the pre-separation mechanism is used to pre-separate the gas-liquid mixture, and the separation device is used to perform gas-liquid separation on the pre-separated gas-liquid mixture. 8. The active separator according to claim 7, wherein the pre-separation mechanism includes a pre-separation housing and a baffle, and the pre-separation housing includes a pre-separation air inlet, a pre-separation liquid discharge port and the pre-separation exhaust port, the pre-separation air inlet is in communication with the total air intake, the pre-separation liquid discharge port is set at the bottom of the pre-separation shell, and the pre-separation exhaust port is set at the The top of the pre-separation housing communicates with the separation device, and the baffle plate is arranged in the pre-separation housing up and down and surrounds the pre-separation exhaust port. 9. The active separator according to claim 8, wherein the separation device comprises a separation device housing, the separation device housing comprises a separation inlet and a separation outlet, the separation inlet and The separation outlet is located at the bottom of the separation device housing, and the separation air inlet communicates with the pre-separation exhaust port; A drain channel is formed between the main shell and the pre-separation shell, the separation outlet communicates with one end of the drain channel, and the other end of the drain channel communicates with the main drain port. 10. The active separator according to claim 1, characterized in that, a liquid storage tank is provided at the bottom of the main housing, and the general liquid discharge port is provided at the bottom wall of the liquid storage tank; The main housing includes a main housing bottom wall extending transversely, and the liquid reservoir is recessed downward from the main housing bottom wall. 11. The active separator according to claim 1, characterized in that there are a plurality of said separation devices, a plurality of said separation devices are connected in series, and a plurality of said separation devices are used to separate said gas-liquid several times mixture. 12. The active separator according to claim 1, characterized in that there are multiple separating devices, the multiple separating devices are connected in parallel, and the general air inlet communicates with the multiple separating devices. 13. A vehicle, comprising: engine crankcase; The active separator according to any one of claims 1-12, connected to the crankcase of the engine.