Oil pan assembly and engine

Abstract

The invention discloses an oil pan assembly and an engine, and relates to the technical field of vehicles, the oil pan assembly comprises an oil pan body, a stirring part and a pumping mechanism, an oil storage cavity is formed in the oil pan body, the stirring part is rotatably arranged at the bottom of the oil storage cavity, the pumping mechanism comprises an oil suction disc extending into the oil storage cavity, the oil suction disc is provided with an oil suction port, and the stirring part is rotatably arranged at the bottom of the oil suction port. The oil suction disc is arranged above the stirring piece in the mode that the oil suction opening faces the stirring piece. According to the technical scheme, the rotatable stirring part is arranged at the bottom of the oil pan body so that ice particles can be thrown to the periphery of the oil storage cavity, the situation that the oil suction disc with the oil suction opening facing the stirring part is blocked by the ice particles when sucking engine oil at the rotating axis of the stirring part can be avoided, and then it is ensured that a pumping mechanism can suck the engine oil; and the engine is prevented from being damaged.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to an oil pan assembly and an engine. Background Art

[0002] During the operation of the engine, the oil in the oil pan needs to be pumped to various positions of the engine lubrication system through the oil pump to lubricate and clean the friction parts of the engine to ensure the normal operation of the engine. However, when the vehicle frequently travels short distances in a low-temperature environment, the oil suction plate is easily blocked, which in turn causes the oil pump to be unable to absorb oil, eventually causing engine damage.

[0003] Therefore, it is necessary to provide a new oil pan assembly and engine to solve the above technical problems. Summary of the invention

[0004] The main purpose of the present invention is to provide an oil pan assembly and an engine, aiming to solve the technical problem that the oil suction pan is easily blocked when the vehicle frequently travels short distances in a low-temperature environment.

[0005] To achieve the above object, the present invention provides an oil pan assembly, comprising:

[0006] An oil pan body, wherein the oil pan body is formed with an oil storage cavity;

[0007] A stirring member, the stirring member is rotatably disposed at the bottom of the oil storage chamber;

[0008] The pumping mechanism comprises an oil suction plate extending into the oil storage cavity, the oil suction plate has an oil suction port, and the oil suction plate is arranged above the stirring member in a manner that the oil suction port faces the stirring member.

[0009] In one embodiment, the stirring member includes a centrifugal impeller, which is rotatably disposed at the bottom of the oil storage chamber, and an oil gap is provided between the centrifugal impeller and the bottom surface of the oil storage chamber, the centrifugal impeller is provided with an oil hole connected to the oil gap, and the oil suction plate is arranged above the centrifugal impeller in a manner that the oil suction port faces the oil hole.

[0010] In one embodiment, the oil pan assembly further includes a filtering mechanism, the filtering mechanism includes an annular mounting plate and a baffle disposed in the annular mounting plate, and the annular mounting plate is disposed at the oil suction port.

[0011] In one embodiment, the baffle is inclined from a side away from the stirring member to a side close to the stirring member along a direction from a side close to the annular mounting plate to a side away from the annular mounting plate.

[0012] In one embodiment, there are multiple baffles, and the multiple baffles are arranged in the annular mounting plate at intervals along the central axis of the annular mounting plate, and any two adjacent baffles are arranged opposite to each other.

[0013] In one embodiment, the annular mounting plate is gradually expanded from an end close to the oil suction pan to an end away from the oil suction pan.

[0014] In one embodiment, an end surface of the annular mounting plate facing away from the oil suction pan is flush with an end surface of the stirring member facing the oil suction pan.

[0015] In one embodiment, a filter screen is provided at the oil suction port.

[0016] In one embodiment, the pumping mechanism further includes a pump body and an oil suction pipe; one end of the oil suction pipe is connected to the oil suction plate, and the other end is connected to the oil inlet of the pump body.

[0017] In addition, the present invention also provides an engine, comprising the oil pan assembly as described above.

[0018] The technical solution of the present invention is to set a rotatable stirring member at the bottom of the oil pan body to throw ice particles around the oil storage chamber, so as to avoid the oil suction plate set with the oil suction port facing the stirring member from being blocked by ice particles when sucking oil at the rotation axis of the stirring member, thereby ensuring that the pumping mechanism can suck up the oil and avoid damage to the engine. In an embodiment of the present invention, the stirring member is rotatably set at the bottom of the oil pan body, which can throw ice particles around the oil storage chamber; and the oil suction plate extending into the oil storage chamber is set above the stirring member with the oil suction port facing the stirring member, so that the oil suction plate can suck the oil without ice particles at the rotation axis of the stirring member under the drive of the pumping mechanism, which can avoid the oil suction plate from being blocked by ice particles, thereby ensuring that the pumping mechanism can suck up the oil and avoid damage to the engine. Specifically, when the vehicle runs the engine in a low-temperature environment, the agitator will rotate with the operation of the engine, and the engine oil, ice particles, etc. in the oil storage chamber will flow around the rotation axis of the agitator. Since the density of ice particles is greater than that of engine oil, the ice particles will be thrown around the oil storage chamber under the action of centrifugal force; and the oil suction plate is arranged above the agitator with the oil suction port facing the agitator. When the pumping mechanism sucks the engine oil, the oil suction plate will suck the engine oil near the rotation axis of the agitator without the presence of ice particles, which can effectively prevent the oil suction plate from being blocked by ice particles, thereby ensuring that the pumping mechanism can suck up the engine oil, thereby avoiding damage to the engine. Moreover, when the engine is started, the stirring member of the oil pan assembly can throw the ice particles in the oil storage chamber to the surrounding of the oil storage chamber in a very short time, which can prevent the pumping mechanism from absorbing the ice particles when it starts to absorb the engine oil, thereby preventing the oil suction plate from being blocked by the ice particles; at the same time, the oil pan assembly does not need to change the structure of the oil suction plate, that is, it will not increase the volume of the oil suction plate, nor will it increase the complexity of the structure of the oil suction plate, which is convenient for the installation of the oil suction plate. The oil pan assembly is applied to the technical fields of engines, vehicles, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of an oil pan assembly in an embodiment provided by the present invention;

[0021] Figure 2 for Figure 1 A in the enlarged view;

[0022] Figure 3 This is a schematic diagram of the connection between the pumping mechanism and the filtering mechanism in the embodiment provided by the present invention.

[0023] Description of Figure Numbers:

[0024] 100, oil pan body; 200, stirring element; 210, centrifugal impeller; 211, oil gap; 212, oil hole; 300, pumping mechanism; 310, oil suction plate; 311, oil suction port; 312, filter; 320, pump body; 330, oil suction pipe; 400, filtering mechanism; 410, annular mounting plate; 420, baffle.

[0025] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B.

[0029] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0030] During the operation of the engine, the oil in the oil storage chamber of the oil pan needs to be pumped to various positions of the engine lubrication system through an oil pump to lubricate and clean the friction parts such as the engine bearings, cool the engine pistons, and provide pressure for the engine's variable valve timing system (VVT) and other components to drive the variable valve timing system to adjust the angle, thereby ensuring the normal operation of the engine. However, researchers have found that when vehicles frequently travel short distances in low-temperature environments, the water content in the oil will continue to increase. The reason is that when vehicles travel short distances in low-temperature environments, the engine oil temperature is low, and the exhaust gas generated by engine combustion will enter the crankcase through the piston rings. The exhaust gas contains a large amount of water vapor, which will condense into liquid water and mix into the oil when it encounters cold oil. When the vehicle is stationary in a low-temperature environment, the water in the engine oil will condense into ice particles. When the engine is started next time, the ice particles will gradually gather at the oil suction port of the oil suction pan under the suction force of the oil pump, causing the oil suction pan to be blocked, which in turn makes the oil pump unable to absorb oil, and ultimately causes engine damage.

[0031] In the related art, in order to prevent the oil suction plate from being blocked by ice particles, two methods of deicing are currently mainly used: installing a heating resistor wire or an ice-breaking mechanism. Among them, the heating resistor wire mainly heats the oil suction port of the oil suction plate by powering on, so that the ice particles on the oil suction plate melt, and then remove the ice particles on the oil suction plate. However, it takes a while for the heating resistor wire to rise to a suitable temperature to melt the ice particles. During the heating process of the heating resistor wire, the oil suction plate may be blocked by ice particles that have not melted in time, which may cause the oil pump to be unable to absorb oil, and may still cause engine damage. The ice-breaking mechanism causes the ice particles on the oil suction plate to fall off by knocking, but it has the problem of unclean deicing and poor deicing effect. The oil suction plate may be blocked by ice particles that have not been cleaned in time, which may cause the oil pump to be unable to absorb oil, and may still cause engine damage. In addition, when using the above two methods for deicing, additional structures need to be installed on the oil suction plate, which will increase the volume of the oil suction plate and increase the complexity of the structure of the oil suction plate, which is not conducive to the installation of the oil suction plate.

[0032] The present invention provides an oil pan assembly and a vehicle, aiming to solve the technical problem that an oil suction pan is easily blocked when the vehicle frequently travels short distances in a low-temperature environment.

[0033] See also Figure 1 In one embodiment of the present invention, the oil pan assembly includes an oil pan body 100, an agitator 200 and a pumping mechanism 300. The oil pan body 100 is formed with an oil storage cavity. The agitator 200 is rotatably disposed at the bottom of the oil storage cavity. The pumping mechanism 300 includes an oil suction plate 310 extending into the oil storage cavity. The oil suction plate 310 has an oil suction port 311. The oil suction plate 310 is disposed above the agitator 200 in a manner that the oil suction port 311 faces the agitator 200.

[0034] The technical solution of the present invention is to arrange a rotatable stirring member 200 at the bottom of the oil pan body 100 to throw ice particles around the oil storage chamber, so as to avoid the oil suction plate 310, which is arranged with the oil suction port 311 facing the stirring member 200, from being blocked by ice particles when sucking the engine oil at the rotation axis of the stirring member 200, thereby ensuring that the pumping mechanism 300 can suck the engine oil and avoid engine damage. In the embodiment of the present invention, the stirring member 200 is rotatably arranged at the bottom of the oil pan body 100, which can throw ice particles around the oil storage chamber; and the oil suction plate 310 extending into the oil storage chamber is arranged above the stirring member 200 with the oil suction port 311 facing the stirring member 200, so that the oil suction plate 310 can suck the engine oil without ice particles at the rotation axis of the stirring member 200 under the drive of the pumping mechanism 300, which can avoid the oil suction plate 310 from being blocked by ice particles, thereby ensuring that the pumping mechanism 300 can suck the engine oil and avoid engine damage. Specifically, when the vehicle runs the engine in a low-temperature environment, the agitator 200 will rotate with the operation of the engine, and the engine oil, ice particles, etc. in the oil storage chamber will flow around the rotation axis of the agitator 200. Since the density of ice particles is greater than that of engine oil, the ice particles will be thrown around the oil storage chamber under the action of centrifugal force; and the oil suction plate 310 is arranged above the agitator 200 with the oil suction port 311 facing the agitator 200. When the pumping mechanism 300 absorbs the engine oil, the oil suction plate 310 will absorb the engine oil without ice particles near the rotation axis of the agitator 200, which can effectively prevent the oil suction plate 310 from being blocked by ice particles, thereby ensuring that the pumping mechanism 300 can absorb the engine oil, thereby avoiding damage to the engine. Moreover, when the engine of the oil pan assembly is started, the stirring member 200 can throw the ice particles in the oil storage chamber to the surrounding of the oil storage chamber in a very short time, which can prevent the pumping mechanism 300 from sucking the ice particles when it starts to suck the engine oil, thereby preventing the oil suction plate 310 from being blocked by the ice particles; at the same time, the oil pan assembly does not need to change the structure of the oil suction plate 310, that is, it will not increase the volume of the oil suction plate 310, nor will it increase the complexity of the structure of the oil suction plate 310, which facilitates the installation of the oil suction plate 310. The oil pan assembly is applied to the technical fields of engines, vehicles, etc.

[0035] In the embodiment of the present invention, in addition to preventing the oil suction plate 310 of the pumping mechanism 300 from absorbing ice particles, the oil pan assembly can also prevent the oil suction plate 310 of the pumping mechanism 300 from absorbing metal impurities in the oil storage chamber. Specifically, when the engine is running, the agitator 200 will rotate with the operation of the engine, and the engine oil, metal impurities, etc. in the oil storage chamber will flow around the rotation axis of the agitator 200. Since the density of metal impurities is greater than that of engine oil, the metal impurities will be thrown to the surroundings of the oil storage chamber under the action of centrifugal force; and the oil suction plate 310 is arranged above the agitator 200 with the oil suction port 311 facing the agitator 200. When the pumping mechanism 300 absorbs engine oil, the oil suction plate 310 will absorb the engine oil without metal impurities near the rotation axis of the agitator 200, which can effectively prevent the oil suction plate 310 from being blocked, so as to ensure that the pumping mechanism 300 can absorb engine oil, thereby avoiding damage to the engine. That is to say, the oil pan assembly can also be used on new cars. It should be noted that: the automobile engine of a new car usually needs about 3 months to run in. During the running-in process, the mutual friction between the friction pairs will produce more metal impurities. When the pumping mechanism 300 absorbs oil, it is very easy to absorb metal impurities. Large metal impurities will damage the oil pump rotor, causing the oil pump to get stuck or damaged. Small metal impurities will cause the oil pump to get stuck, resulting in too high or too low oil pressure. The oil pan assembly can prevent the pumping mechanism 300 from absorbing metal impurities, avoiding problems such as damage and sticking of the oil pump. Therefore, within the first three months or several kilometers of a new car, the stirring element 200 can be set to run with the operation of the engine, so that the stirring element 200 can throw metal impurities to the surroundings of the oil storage chamber, so that the oil suction plate 310 can absorb the oil without metal impurities near the rotation axis of the stirring element 200, thereby avoiding clogging of the oil suction plate 310 and avoiding engine damage; after three months or several kilometers, the stirring element 200 will not rotate with the operation of the engine, but will determine whether to run according to the ambient temperature to reduce the consumption of electric energy. It should be noted that the low temperature environment mentioned in the above content refers to a temperature environment where water can condense into ice particles, for example: minus 10°.

[0036] In a specific embodiment, the rotation of the stirring member 200 is driven by a driving motor, wherein the driving motor can be installed inside the oil pan body 100 or outside the oil pan body 100. In another specific embodiment, the rotation of the stirring member 200 can also be driven by the cooperation of a magnetic stirring unit and a magnet, specifically, the magnetic stirring unit is installed outside the oil pan body 100, the magnet is installed on the stirring member 200, and the magnetic stirring unit drives the magnet to rotate, thereby driving the stirring member 200 to rotate. It should be noted that when installing the pumping mechanism, the oil suction port 311 of the oil suction plate 310 needs to be immersed below the oil level of the oil storage chamber. When the pumping mechanism 300 sucks the engine oil, negative pressure is formed at the oil suction port 311 of the oil suction plate 310. By arranging the oil suction plate 310 above the agitator 200 with the oil suction port 311 facing the agitator 200, the oil suction plate 310 can suck the engine oil without ice particles near the rotation axis of the agitator 200, effectively preventing the oil suction plate 310 from being blocked by ice particles, thereby ensuring that the pumping mechanism 300 can suck up the engine oil, thereby avoiding damage to the engine.

[0037] See also Figure 1In one embodiment of the present invention, the stirring member 200 includes a centrifugal impeller 210, which is rotatably disposed at the bottom of the oil storage chamber, and an oil gap 211 is disposed between the centrifugal impeller 210 and the bottom surface of the oil storage chamber, and the centrifugal impeller 210 is provided with an oil hole 212 connected to the oil gap 211, and the oil suction plate 310 is disposed above the centrifugal impeller 210 in a manner that the oil suction port 311 faces the oil hole 212. When the centrifugal impeller 210 rotates in the oil storage chamber, the ice particles will be thrown to the surroundings of the oil storage chamber under the action of centrifugal force, and the oil gap 211 set between the centrifugal impeller 210 and the bottom surface of the oil storage chamber and the oil hole 212 opened by the centrifugal impeller 210 can allow the oil to flow; the oil suction plate 310 is set above the stirring member 200 in a manner such that the oil suction port 311 faces the oil hole 212. When the pumping mechanism 300 absorbs the oil, the oil suction plate 310 will absorb the oil without ice particles at the oil hole 212. On the one hand, it can effectively prevent the oil suction plate 310 from being blocked by ice particles, and on the other hand, it can ensure that the pumping mechanism 300 has sufficient oil supply when absorbing the oil. It should be noted that when the centrifugal impeller 210 rotates, the ice particles will be thrown to the surroundings of the oil storage chamber under the action of centrifugal force. At this time, the oil gap 211 between the centrifugal impeller 210 and the bottom surface of the oil storage chamber is oil without ice particles. When the pumping mechanism 300 absorbs the oil, a negative pressure will be formed at the oil suction port 311, and then the oil from the oil hole 212 and the side facing the oil suction plate 310 will be absorbed, and the oil in the oil hole 212 will be replenished through the oil gap 211. Therefore, when the pumping mechanism 300 absorbs the oil, the oil suction plate 310 absorbs the oil without ice particles, and the oil in the oil hole 212 will be replenished through the oil gap 211, which can ensure that the pumping mechanism 300 has sufficient oil supply when absorbing the oil. In a specific embodiment of the present invention, the rotation axis of the centrifugal impeller 210 is perpendicular to the bottom surface of the oil storage chamber, the oil suction plate 310 is installed directly above the centrifugal impeller 210 with the oil suction port 311 facing downward, and the central axis of the oil suction plate 310 coincides with the rotation axis of the centrifugal impeller 210, and the oil hole 212 is opened at the center of the centrifugal impeller 210. In the embodiment of the present invention, the centrifugal impeller 210 includes a rotating shaft and a plurality of blades uniformly arranged along the circumferential direction of the rotating shaft. The rotating shaft is driven to rotate by a driving motor, thereby driving the plurality of blades to move. The blades can move the oil in the oil storage chamber during movement to generate a greater centrifugal force, thereby ensuring that the ice particles can be thrown to the periphery of the oil storage chamber under the action of the centrifugal force.

[0038] See also Figure 2 and Figure 3In another embodiment of the present invention, the oil pan assembly further includes a filter mechanism 400, the filter mechanism 400 includes an annular mounting plate 410 and a baffle 420 disposed in the annular mounting plate 410, and the annular mounting plate 410 is disposed at the oil suction port 311. Specifically, when the centrifugal impeller 210 rotates, some ice particles and metal impurities with a relatively light mass may be located at the rotation axis of the centrifugal impeller 210. When the pumping mechanism 300 absorbs the engine oil, the ice particles and metal impurities located at the rotation axis may be absorbed into the oil suction plate 310, causing the oil suction plate 310 to be blocked. The filter mechanism 400 is disposed at the oil suction port 311, so as to prevent the ice particles and metal impurities with a relatively light mass from being absorbed into the oil suction plate 310, thereby preventing the oil suction plate 310 from being blocked. Specifically, when the pumping mechanism 300 absorbs the oil, most of the ice particles and metal impurities in the oil storage chamber will be thrown around the oil storage chamber under the action of centrifugal force, while a small part of the ice particles and metal impurities with relatively light mass will hit the baffle 420 after passing through the oil hole 212, among which the ice particles and metal impurities with relatively large mass will reduce their speed after the collision, and then be thrown around the oil storage chamber or adsorbed on the baffle 420 under the action of the centrifugal impeller 210. When there are more impurities adsorbed on the baffle 420, they will break away from the baffle 420 under the action of their own gravity, and then return to the centrifugal impeller 210, and be thrown around the oil storage chamber under the action of the centrifugal impeller 210. Among them, the annular mounting plate 410 can limit the oil inlet position when the pumping mechanism 300 absorbs the oil, that is, the pumping mechanism 300 can only absorb the oil from the rotation axis of the centrifugal impeller 210, and cannot absorb the oil thrown around the oil storage chamber by the centrifugal impeller 210. Therefore, it can effectively prevent the oil suction plate 310 from absorbing the oil containing ice particles and metal impurities.

[0039] See also Figure 2 In one embodiment of the present invention, the baffle 420 is inclined from the side far from the agitator 200 to the side near the agitator 200 along the direction from the side near the annular mounting plate 410 to the side far from the annular mounting plate 410. In the embodiment of the present invention, the baffle 420 is obliquely arranged in the annular mounting plate 410, which can prevent the impurities adsorbed on the baffle 420 from being sucked into the oil suction plate 310 under the suction force of the pumping mechanism 300. Specifically, after the impurities adsorbed on the baffle 420 are separated from the baffle 420 under the action of their own gravity, they will slide along the obliquely arranged baffle 420 to the blade position of the centrifugal impeller 210, and then be thrown to the surroundings of the oil storage chamber under the action of the centrifugal force provided by the centrifugal impeller 210.

[0040] See also Figure 2In one embodiment of the present invention, the number of baffles 420 is multiple, and the multiple baffles 420 are arranged in the annular mounting plate 410 at intervals along the central axis of the annular mounting plate 410, and any two adjacent baffles 420 are arranged oppositely. In the embodiment of the present invention, by setting multiple baffles 420, impurities at the rotation axis of the centrifugal impeller 210 can be blocked multiple times, which can effectively prevent impurities from being sucked into the oil suction plate 310. In a specific embodiment, the number of baffles 420 is two, and the two baffles 420 are arranged at intervals along the central axis of the annular mounting plate 410, and the two baffles 420 are arranged oppositely in the annular mounting plate; in addition, the number of baffles 420 can also be three, four, etc. The annular mounting plate 410 can be circular or polygonal. When designing the oil pan assembly, the annular mounting plate 410 can be designed into different shapes according to actual installation requirements.

[0041] See also Figure 2 and Figure 3 In one embodiment of the present invention, the annular mounting plate 410 is gradually expanded from one end close to the oil suction plate 310 to one end away from the oil suction plate 310. In an embodiment of the present invention, the annular mounting plate 410 is gradually expanded from one end close to the oil suction plate 310 to one end away from the oil suction plate 310, which can increase the oil inlet position when the pumping mechanism 300 absorbs the oil to a certain extent, thereby ensuring sufficient oil supply. In a specific embodiment, the annular mounting plate 410 is trumpet-shaped. In addition, the annular mounting plate 410 can also be a barrel-shaped with the same size.

[0042] See also Figure 2 In one embodiment of the present invention, the end surface of the annular mounting plate 410 facing away from the oil suction plate 310 is flush with the end surface of the stirring member 200 facing the oil suction plate 310 . In an embodiment of the present invention, when a vehicle is left stationary for a long time in a low-temperature environment, the oil and water in the oil storage chamber will be separated into layers. Since the density of water and metal impurities is greater than the density of oil, ice particles condensed from metal impurities and water are mainly deposited at the bottom of the oil storage chamber; specifically, when the centrifugal impeller 210 rotates, the oil will be thrown outward from the radial direction of the centrifugal impeller 210, and the end surface of the annular mounting plate 410 facing away from the oil suction plate 310 will be flush with the end surface of the agitator 200 facing the oil suction plate 310, that is, the end surface of the annular mounting plate 410 facing away from the oil suction plate 310 will be flush with the end surface of the centrifugal impeller 210 facing the oil suction plate 310, which can prevent the annular mounting plate 410 from blocking the oil containing ice particles and metal impurities thrown out by the centrifugal impeller 210, and prevent the oil containing ice particles and metal impurities from staying in the annular mounting plate 410, thereby preventing the pumping mechanism 300 from absorbing the oil containing ice particles and metal impurities.

[0043] See also Figure 2In one embodiment of the present invention, a filter screen 312 is provided at the oil suction port 311. In the embodiment of the present invention, the filter screen 312 is used to filter impurities in the engine oil to prevent the impurities from being sucked into the pumping mechanism 300 along with the oil. In the embodiment of the present invention, the rotation of the centrifugal impeller 210 can throw the heavier impurities around the oil storage chamber, and the filter mechanism 400 can filter the lighter impurities to prevent the lighter impurities from being directly sucked into the oil suction plate 310. The filter screen 312 is used to filter the impurities in the engine oil; through the mutual cooperation of the centrifugal impeller 210, the filter mechanism 400 and the filter screen 312, the ice particles and metal impurities in the engine oil can be filtered multiple times to ensure the filtering effect. In a specific embodiment, the filter screen is provided with a plurality of filter holes evenly arranged, and the specification of the filter holes is 0.8mm×0.8mm.

[0044] See also Figure 1 and Figure 3 In one embodiment of the present invention, the pumping mechanism 300 further includes a pump body 320 and an oil suction pipe 330; one end of the oil suction pipe 330 is connected to the oil suction plate 310, and the other end is connected to the oil inlet of the pump body 320. In the embodiment of the present invention, the pump body 320 absorbs the oil from the oil storage cavity through the oil suction plate 310, and pumps it to various positions of the engine lubrication system to ensure the normal operation of the engine.

[0045] The present invention also proposes an engine, which includes an oil pan assembly. The specific structure of the oil pan assembly refers to the above-mentioned embodiment. Since the engine adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0046] The present invention further proposes a control method, which is applied to the above engine, wherein a temperature sensor is provided at the air intake of the engine, and the temperature sensor is used to monitor the intake temperature of the engine; the control method comprises:

[0047] S100, the temperature sensor detects the intake air temperature of the engine. If the intake air temperature is lower than a preset temperature, S200 is executed; if the intake air temperature is higher than the preset temperature, S300 is executed;

[0048] S200. When the intake air temperature detected by the temperature sensor is lower than the preset temperature, the stirring element 200 is controlled to rotate with the operation of the engine; after the engine has been running for a preset time (or after the engine water temperature has reached the preset temperature), the stirring element 200 is controlled to stop rotating. Specifically, when the intake air temperature detected by the temperature sensor is lower than the preset temperature, it indicates that the ambient temperature is low, and the oil in the oil storage chamber may be accompanied by ice particles. At this time, the stirring element 200 will rotate with the operation of the engine, and throw the ice particles in the oil storage chamber to the surroundings of the oil storage chamber to avoid clogging of the oil suction plate 310; after the engine has been running for a preset time (or after the engine water temperature has reached the preset temperature), the ice particles in the oil storage chamber will melt, and the stirring element 200 will be controlled to stop rotating to reduce power consumption;

[0049] S300, when the intake air temperature detected by the temperature sensor is higher than the preset temperature, the stirring member 200 is controlled not to rotate with the operation of the engine. Specifically, when the intake air temperature detected by the temperature sensor is higher than the preset temperature, the surface ambient temperature is appropriate, the oil in the oil storage chamber is not accompanied by ice particles, and the stirring member 200 does not rotate with the operation of the engine.

[0050] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An oil pan assembly, characterized in that: include: An oil pan body, wherein the oil pan body is formed with an oil storage cavity; A stirring member, the stirring member is rotatably disposed at the bottom of the oil storage chamber; The pumping mechanism comprises an oil suction plate extending into the oil storage cavity, the oil suction plate has an oil suction port, and the oil suction plate is arranged above the stirring member in a manner that the oil suction port faces the stirring member.

2. The oil pan assembly according to claim 1, characterized in that The stirring member includes a centrifugal impeller, which is rotatably arranged at the bottom of the oil storage chamber, and an oil-passing gap is arranged between the centrifugal impeller and the bottom surface of the oil storage chamber, and the centrifugal impeller is provided with an oil-passing hole connected to the oil-passing gap, and the oil suction plate is arranged above the centrifugal impeller in a manner that the oil suction port faces the oil-passing hole.

3. The oil pan assembly according to claim 1, characterized in that The oil pan assembly further comprises a filtering mechanism, wherein the filtering mechanism comprises an annular mounting plate and a baffle plate arranged inside the annular mounting plate, and the annular mounting plate is arranged at the oil suction port.

4. The oil sump assembly according to claim 3, characterized in that The baffle is inclined from a side far from the stirring member to a side close to the stirring member along a direction from a side close to the annular mounting plate to a side far from the annular mounting plate.

5. The oil sump assembly according to claim 4, characterized in that There are multiple baffles, and the multiple baffles are arranged in the annular mounting plate at intervals along the central axis of the annular mounting plate, and any two adjacent baffles are arranged opposite to each other.

6. The oil sump assembly according to claim 3, characterized in that The annular mounting plate is gradually expanded from an end close to the oil suction pan to an end far away from the oil suction pan.

7. The oil sump assembly according to claim 3, characterized in that The end surface of the annular mounting plate facing away from the oil suction pan is flush with the end surface of the stirring member facing the oil suction pan.

8. The oil sump assembly according to any one of claims 1 to 7, characterized in that A filter screen is arranged at the oil suction port.

9. The oil sump assembly according to any one of claims 1 to 7, characterized in that: The pumping mechanism also includes a pump body and an oil suction pipe; one end of the oil suction pipe is connected to the oil suction plate, and the other end is connected to the oil inlet of the pump body.

10. An engine, characterized in that: The invention comprises the oil sump assembly according to any one of claims 1 to 9.

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