CN115324710B - Silicon oil clutch with high oil return capability - Google Patents
Silicon oil clutch with high oil return capability Download PDFInfo
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- CN115324710B CN115324710B CN202210973141.6A CN202210973141A CN115324710B CN 115324710 B CN115324710 B CN 115324710B CN 202210973141 A CN202210973141 A CN 202210973141A CN 115324710 B CN115324710 B CN 115324710B
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- 239000003921 oil Substances 0.000 title 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title 1
- 229910052710 silicon Inorganic materials 0.000 title 1
- 239000010703 silicon Substances 0.000 title 1
- 229920002545 silicone oil Polymers 0.000 claims abstract description 40
- 230000004308 accommodation Effects 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
- F01P7/081—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
本发明公开了一种高回油能力的硅油离合器，它包括：驱动组件，所述驱动组件包括主动轴、套装在所述主动轴一端部的主动板、与所述主动板相配合的从动板以及阀片；盖体组件；连接器总成；所述容置槽内还设置有回油管路，所述回油管路具有固定端和自由端，所述回油管路的固定端与所述回油孔相接，所述回油管路固定端与所述主动轴轴心线的距离小于所述回油管路自由端与所述主动轴轴心线的距离。使回油管路中的硅油尽量多的回到储油室，从而减少工作腔内剩余硅油的量，达到减少剩余扭矩以降低分离转速的目的。
The invention discloses a silicone oil clutch with high oil return capacity, which includes: a driving assembly, the driving assembly includes a driving shaft, a driving plate sleeved on one end of the driving shaft, and a driven plate matched with the driving plate. plate and valve plate; cover assembly; connector assembly; an oil return pipeline is also provided in the accommodation tank, and the oil return pipeline has a fixed end and a free end, and the fixed end of the oil return pipeline is connected to the The oil return holes are connected, and the distance between the fixed end of the oil return pipeline and the axis center line of the driving shaft is smaller than the distance between the free end of the oil return pipeline and the axis center line of the driving shaft. Let as much silicone oil in the oil return pipeline return to the oil storage chamber as possible, thereby reducing the amount of remaining silicone oil in the working chamber, and achieving the purpose of reducing the remaining torque and reducing the separation speed.
Description
技术领域Technical field
本发明属于汽车发动机冷却系统部件技术领域，涉及一种电控硅油离合器，具体涉及一种高回油能力的硅油离合器。The invention belongs to the technical field of automobile engine cooling system components, and relates to an electronically controlled silicone oil clutch, and in particular to a silicone oil clutch with high oil return capacity.
背景技术Background technique
随着环保标准的提高，车辆对硅油离合器提出了更高的要求：比如减小风扇噪声、提高冷却能力和降低功率消耗等。由于离合器长期处在分离的工作状态，所以降低离合器在分离状态的功耗，能够明显降低油耗。With the improvement of environmental protection standards, vehicles have put forward higher requirements for silicone oil clutches: such as reducing fan noise, improving cooling capacity and reducing power consumption. Since the clutch is in a disengaged working state for a long time, reducing the power consumption of the clutch in the disengaged state can significantly reduce fuel consumption.
现有硅油离合器的主板回油机构存在硅油无法完全进入储油室的问题：由于离心力的作用，当回油压力与离心力平衡时，硅油便不会向储油室流动，而剩余的硅油能够传递少部分扭矩给风扇，从而造成能耗的增加。The mainboard oil return mechanism of the existing silicone oil clutch has a problem that the silicone oil cannot completely enter the oil storage chamber: due to the effect of centrifugal force, when the oil return pressure and the centrifugal force are balanced, the silicone oil will not flow to the oil storage chamber, and the remaining silicone oil can be transferred A small amount of torque is given to the fan, resulting in increased energy consumption.
发明内容Contents of the invention
本发明的目的在于提供一种高回油能力的硅油离合器，以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a silicone oil clutch with high oil return capacity to solve the problems raised in the above background technology.
为实现上述目的，本发明提供如下技术方案：一种高回油能力的硅油离合器，它包括：In order to achieve the above object, the present invention provides the following technical solution: a silicone oil clutch with high oil return capacity, which includes:
驱动组件，所述驱动组件包括主动轴、套装在所述主动轴一端部的主动板、与所述主动板相配合的从动板以及阀片，所述主动板的边缘部设置有第一齿槽且其与所述主动轴另一端部相向的表面上开设有容置槽，所述从动板安装在所述容置槽处以与所述主动板围成储油室；所述主动板开设有与所述储油室相通的至少一个出油孔、与所述储油室相通的至少一个回油孔以及连通所述主动板外周部与所述回油孔的回油通道，所述回油孔与所述主动轴轴心线的距离小于所述出油孔与所述主动轴轴心线的距离；所述容置槽内形成有第一弧形挡板，所述第一弧形挡板将所述容置槽分隔成与所述出油孔相配合的出油槽；Driving assembly, the driving assembly includes a driving shaft, a driving plate set on one end of the driving shaft, a driven plate matching the driving plate, and a valve plate. The edge of the driving plate is provided with a first tooth. groove and a receiving groove is provided on the surface facing the other end of the driving shaft, and the driven plate is installed at the receiving groove to form an oil storage chamber with the driving plate; the driving plate is provided with There is at least one oil outlet hole communicating with the oil storage chamber, at least one oil return hole communicating with the oil storage chamber, and an oil return channel connecting the outer peripheral part of the active plate and the oil return hole. The distance between the oil hole and the axis center line of the driving shaft is smaller than the distance between the oil outlet hole and the axis center line of the driving shaft; a first arc-shaped baffle is formed in the accommodation groove, and the first arc-shaped baffle is formed in the accommodation groove. The baffle separates the accommodation groove into an oil outlet groove that matches the oil outlet hole;
盖体组件，所述盖体组件包括可转动地套装在所述主动板上的壳体以及合盖在所述壳体上的盖体，所述壳体具有与第一齿槽相配合的第二齿槽，所述盖体具有与第一齿槽相配合的第三齿槽，所述第一齿槽、所述第二齿槽和所述第三齿槽之间形成工作腔；Cover assembly, the cover assembly includes a housing rotatably sleeved on the active plate and a cover covering the housing, the housing having a third tooth slot that matches the first tooth slot Two tooth grooves, the cover body has a third tooth groove that matches the first tooth groove, and a working cavity is formed between the first tooth groove, the second tooth groove and the third tooth groove;
连接器总成，所述连接器总成可转动地套装在所述主动轴上并通过导磁结构吸引所述阀片打开或关闭所述出油孔；A connector assembly, which is rotatably mounted on the driving shaft and attracts the valve plate to open or close the oil outlet hole through a magnetic conductive structure;
所述容置槽内还设置有回油管路，所述回油管路具有固定端和自由端，所述回油管路的固定端与所述回油孔相接，所述回油管路固定端与所述主动轴轴心线的距离小于所述回油管路自由端与所述主动轴轴心线的距离。An oil return pipeline is also provided in the accommodation tank. The oil return pipeline has a fixed end and a free end. The fixed end of the oil return pipeline is connected to the oil return hole. The fixed end of the oil return pipeline is connected to the oil return hole. The distance between the axis center line of the driving shaft is smaller than the distance between the free end of the oil return pipeline and the axis center line of the driving shaft.
优化地，所述回油管路为硬质管，其材质为金属材质或高分子材料。Optimally, the oil return pipeline is a hard pipe made of metal or polymer material.
进一步地，所述回油管路的延伸方向与所述第一弧形挡板的延伸方向相反。Further, the extension direction of the oil return pipeline is opposite to the extension direction of the first arc-shaped baffle.
更进一步地，所述第一弧形挡板与所述回油管路在所述主动板径向上的投影于其固定端部相重叠且于其自由端部相间隔。Furthermore, the projection of the first arc-shaped baffle and the oil return pipeline in the radial direction of the active plate overlaps at its fixed end and is spaced apart from its free end.
优化地，所述主动板的外周部形成有至少一块挡油凸块，所述回油通道连通所述挡油凸块和所述回油孔。Optimally, at least one oil-blocking bump is formed on the outer peripheral part of the active plate, and the oil return passage communicates with the oil-blocking bump and the oil return hole.
优化地，所述壳体通过第一轴承可转动地套装在所述主动板上，所述连接器总成通过第二轴承可转动地套装在所述主动轴上。Optimally, the housing is rotatably mounted on the active plate through a first bearing, and the connector assembly is rotatably mounted on the active shaft through a second bearing.
优化地，所述阀片的一端固定在所述主动板的另一表面上且另一端与所述出油孔的位置相对。Optimally, one end of the valve plate is fixed on the other surface of the active plate and the other end is opposite to the position of the oil outlet hole.
优化地，所述连接器总成和所述主动轴之间还设置有隔离环。Optimally, an isolation ring is also provided between the connector assembly and the driving shaft.
进一步地，所述导磁结构包括安装在所述壳体上且与所述连接器总成相向设置的外导磁座以及嵌设在所述主动板上的内导磁座，所述外导磁座和所述内导磁座均与所述第一轴承相邻设置且位于其两侧。Further, the magnetic conductive structure includes an outer magnetic conductive seat installed on the housing and facing the connector assembly, and an inner magnetic conductive seat embedded in the active board. The magnetic seat and the inner magnetic conductive seat are both arranged adjacent to the first bearing and located on both sides thereof.
与现有技术相比，本发明的有益效果是：本发明高回油能力的硅油离合器，通过在容置槽内还设置有回油管路，回油管路的固定端与回油孔相接并使得回油管路固定端与主动轴轴心线的距离小于回油管路自由端与主动轴轴心线的距离，使得回油孔处的压力要大于回油管路自由端处的压力，使回油管路中的硅油尽量多的回到储油室，从而减少工作腔内剩余硅油的量，达到减少剩余扭矩以降低分离转速的目的，进而提高回油能力并降低能耗。Compared with the prior art, the beneficial effects of the present invention are: the silicone oil clutch with high oil return capacity of the present invention is also provided with an oil return pipeline in the accommodation tank, and the fixed end of the oil return pipeline is connected with the oil return hole. Make the distance between the fixed end of the oil return pipeline and the axis center line of the driving shaft smaller than the distance between the free end of the oil return pipeline and the axis center line of the driving shaft, so that the pressure at the oil return hole is greater than the pressure at the free end of the oil return pipeline, making the oil return pipe As much silicone oil in the road as possible returns to the oil storage chamber, thereby reducing the amount of remaining silicone oil in the working chamber, achieving the purpose of reducing the remaining torque to reduce the separation speed, thereby improving the oil return capacity and reducing energy consumption.
附图说明Description of the drawings
图1为本发明高回油能力的硅油离合器的结构示意简图；Figure 1 is a schematic structural diagram of the silicone oil clutch with high oil return capacity of the present invention;
图2为本发明高回油能力的硅油离合器中主动板的侧视图（图1中的箭头方向）；Figure 2 is a side view of the active plate in the silicone oil clutch with high oil return capacity of the present invention (the direction of the arrow in Figure 1);
图3为图2的原理示意图；Figure 3 is a schematic diagram of the principle of Figure 2;
图4为图3的侧视图。Figure 4 is a side view of Figure 3.
具体实施方式Detailed ways
下面将结合对本发明优选实施方案进行详细说明。The preferred embodiments of the present invention will be described in detail below.
如图1和图2所示高回油能力的硅油离合器，主要包括相配合的驱动组件、盖体组件和连接器总成8等。As shown in Figures 1 and 2, the silicone oil clutch with high oil return capacity mainly includes matching drive components, cover components, and connector assemblies 8, etc.
其中，驱动组件包括主动轴1、主动板4、从动板5和阀片6等。Among them, the driving assembly includes the driving shaft 1, the driving plate 4, the driven plate 5 and the valve plate 6.
主动轴1的直径在其轴心线方向上由一端向另一端增加（该端与发动机相连接，以在发动机的带动下进行转动），从而使得主动轴1上形成多道台阶部（可用于安装其它诸零件）。主动板4套装在主动轴1一端部（即前述直径较小的一端部处），主动板4和主动轴1之间可以通过花键等常规紧固件固定连接，也可以在主动轴1上设置外螺纹而在主动板4上设置内螺纹，从而通过螺纹使主动板4安装至主动轴1上，这样当主动轴1旋转时，主动板4同步转动。从动板5安装在主动板4上而与其相配合，阀片6也安装在主动板4上，使得从动板5、阀片6分别位于主动板4的两侧（从动板5面向主动轴1中直径较大的另一端，阀片6背离主动轴1中直径较大的另一端）。The diameter of the driving shaft 1 increases from one end to the other end in the direction of its axis (this end is connected to the engine to rotate under the driving of the engine), so that multiple steps are formed on the driving shaft 1 (which can be used for Install other parts). The active plate 4 is set on one end of the active shaft 1 (that is, the end with the smaller diameter). The active plate 4 and the active shaft 1 can be fixedly connected through conventional fasteners such as splines, or they can be fixed on the active shaft 1 External threads are provided and internal threads are provided on the active plate 4, so that the active plate 4 is installed on the active shaft 1 through the threads, so that when the active shaft 1 rotates, the active plate 4 rotates synchronously. The driven plate 5 is installed on the active plate 4 to match it, and the valve plate 6 is also installed on the active plate 4, so that the driven plate 5 and the valve plate 6 are respectively located on both sides of the active plate 4 (the driven plate 5 faces the active plate 4 The other end of the shaft 1 with the larger diameter, the valve plate 6 is away from the other end of the drive shaft 1 with the larger diameter).
在本实施例中，主动板4的边缘部设置有第一齿槽41（即主动板4两表面的边缘处设置有第一齿槽41），该主动板4中与主动轴1另一端部相向的表面上开设有容置槽，从而将从动板5安装在容置槽处以与主动板4围成储油室7。主动板4上开设有至少一个出油孔42和至少一个回油孔43（回油孔43与主动轴1轴心线的距离小于出油孔42与主动轴1轴心线的距离，即回油孔43位于出油孔42的内圈），使得出油孔42、回油孔43均与储油室7相通；主动板4内还开设有连通主动板4外周部与回油孔43的回油通道47；这样硅油经出油孔42流出储油室7，高速转动的主动板4会使硅油在离心力的作用下流动至主动板4的外周处而经回油通道47再回流至储油室7内，实现硅油的循环流动。In this embodiment, the first tooth groove 41 is provided at the edge of the active plate 4 (that is, the first tooth groove 41 is provided at the edges of both surfaces of the active plate 4). The center of the active plate 4 is connected to the other end of the driving shaft 1. An accommodating groove is provided on the opposite surface, so that the driven plate 5 is installed in the accommodating groove to form an oil storage chamber 7 with the active plate 4 . The active plate 4 is provided with at least one oil outlet hole 42 and at least one oil return hole 43 (the distance between the oil return hole 43 and the axis center line of the drive shaft 1 is smaller than the distance between the oil outlet hole 42 and the axis center line of the drive shaft 1, that is, the oil return hole 42 is provided with at least one oil return hole 43. The oil hole 43 is located in the inner ring of the oil outlet hole 42), so that the oil outlet hole 42 and the oil return hole 43 are both connected to the oil storage chamber 7; the active plate 4 is also provided with an opening connecting the outer peripheral part of the active plate 4 and the oil return hole 43. Oil return channel 47; in this way, the silicone oil flows out of the oil storage chamber 7 through the oil outlet hole 42. The high-speed rotating active plate 4 will cause the silicone oil to flow to the outer periphery of the active plate 4 under the action of centrifugal force and then flow back to the storage chamber through the oil return channel 47. In the oil chamber 7, the circulation flow of silicone oil is realized.
容置槽内（实际上是储油室7中与从动板5相对的内壁上）形成有第一弧形挡板44，该第一弧形挡板44还向从动板5延伸直至与其相接（接触处不会漏油），从而实现对容置槽的分隔；第一弧形挡板44具有固定端和自由端，其固定端与出油孔42相邻设置，自由端则按固定端所处的主动板4半径弯曲延伸，从而形成容纳出油孔42而与其相通的出油槽441（即出油槽441与出油孔42相配合）。容置槽内还设置有回油管路45；该回油管路45具有固定端和自由端，它的固定端与回油孔43相接以承接回油孔43的回油，它的自由端向容置槽的外圈延伸使得回油管路45固定端与主动轴1轴心线的距离小于回油管路45自由端与主动轴1轴心线的距离。这样回油孔处43的压力要大于回油管路自由端处的压力，使回油管路45中的硅油尽量多的回到储油室，从而减少工作腔内剩余硅油的量，达到减少剩余扭矩以降低分离转速的目的，进而提高回油能力并降低能耗（如图3和图4所示）。在本实施例中，回油管路45为硬质管，其材质为金属材质或高分子材料，优选为铝管；回油管路45的延伸方向与第一弧形挡板44的延伸方向相反（回油管路45的具体形状不受限制，在本实施例中，其大致呈弧形）。A first arc-shaped baffle 44 is formed in the accommodation tank (actually on the inner wall of the oil storage chamber 7 opposite to the driven plate 5). The first arc-shaped baffle 44 also extends toward the driven plate 5 until it is connected with the driven plate 5. The first arc-shaped baffle 44 has a fixed end and a free end, and the fixed end is arranged adjacent to the oil outlet hole 42, and the free end is arranged adjacent to the oil outlet hole 42. The active plate 4 where the fixed end is located extends in a curved radius, thereby forming an oil outlet groove 441 that accommodates the oil outlet hole 42 and communicates with it (that is, the oil outlet groove 441 matches the oil outlet hole 42). An oil return pipeline 45 is also provided in the accommodation tank; the oil return pipeline 45 has a fixed end and a free end. Its fixed end is connected with the oil return hole 43 to receive the oil return from the oil return hole 43, and its free end is directed toward the oil return hole 43. The outer ring of the accommodation groove extends so that the distance between the fixed end of the oil return pipeline 45 and the axis of the driving shaft 1 is smaller than the distance between the free end of the oil return pipeline 45 and the axis of the driving shaft 1 . In this way, the pressure at the oil return hole 43 is greater than the pressure at the free end of the oil return pipeline, so that as much silicone oil in the oil return pipeline 45 can return to the oil storage chamber as possible, thereby reducing the amount of remaining silicone oil in the working chamber and reducing the remaining torque. In order to reduce the separation speed, thereby improving the oil return capacity and reducing energy consumption (as shown in Figures 3 and 4). In this embodiment, the oil return pipeline 45 is a hard tube made of metal or polymer material, preferably an aluminum tube; the extension direction of the oil return pipeline 45 is opposite to the extension direction of the first arc-shaped baffle 44 ( The specific shape of the oil return pipeline 45 is not limited; in this embodiment, it is generally arc-shaped).
阀片6安装在主动板4的另一表面上且与出油孔42相配合，其在电磁力、自身应力的作用下实现关闭或打开出油孔42。The valve plate 6 is installed on the other surface of the active plate 4 and cooperates with the oil outlet hole 42. It closes or opens the oil outlet hole 42 under the action of electromagnetic force and its own stress.
盖体组件包括通过第一轴承9可转动地套装在主动板4上的壳体2以及合盖在壳体2上的盖体3（壳体2和盖体3的边缘处通过铆接、焊接等常规方式实现密封），壳体2和盖体3之间形成容置空间以容纳主动板4。壳体2具有与第一齿槽相配合的第二齿槽，盖体3具有与第一齿槽相配合的第三齿槽，第一齿槽、第二齿槽和第三齿槽之间形成工作腔。The cover assembly includes a housing 2 that is rotatably mounted on the active plate 4 through a first bearing 9 and a cover 3 that covers the housing 2 (the edges of the housing 2 and the cover 3 are riveted, welded, etc. Sealing is achieved in a conventional manner), and an accommodation space is formed between the housing 2 and the cover 3 to accommodate the active board 4 . The housing 2 has a second tooth slot that matches the first tooth slot, and the cover 3 has a third tooth slot that matches the first tooth slot. Between the first tooth slot, the second tooth slot, and the third tooth slot, Create a working chamber.
连接器总成8可转动地套装在主动轴1上并通过导磁结构吸引阀片6打开或关闭出油孔42，其接受车辆ECU控制。The connector assembly 8 is rotatably mounted on the driving shaft 1 and attracts the valve plate 6 through the magnetic conductive structure to open or close the oil outlet hole 42, which is controlled by the vehicle ECU.
在本实施例中，主动板4的外周部形成有至少一块挡油凸块46，回油通道47连通挡油凸块46和所述回油孔43，从而有利于硅油回流至储油室7。第一弧形挡板44与回油管路45在主动板4径向上的投影于其固定端部相重叠且于其自由端部相间隔、相对接或相重叠（在本申请中为相间隔）。In this embodiment, at least one oil-blocking bump 46 is formed on the outer periphery of the active plate 4 , and the oil return channel 47 communicates with the oil-blocking bump 46 and the oil return hole 43 , thereby facilitating the return of silicone oil to the oil storage chamber 7 . The projections of the first arc-shaped baffle 44 and the oil return pipeline 45 in the radial direction of the active plate 4 overlap at their fixed ends and are spaced apart, opposite or overlapping (spaced in this application) at their free ends. .
在本实施例中，壳体2通过第一轴承9可转动地套装在主动板4上，连接器总成8通过第二轴承81可转动地套装在主动轴1上。连接器总成8和主动轴1之间还设置有隔离环82。导磁结构包括安装在壳体2上且与连接器总成8相向设置的外导磁座83以及嵌设在主动板4上的内导磁座84，外导磁座83和内导磁座84均与第一轴承9相邻设置且位于其两侧。阀片6的一端固定在主动板4的另一表面上且另一端与出油孔42的位置相对。In this embodiment, the housing 2 is rotatably mounted on the active plate 4 through the first bearing 9 , and the connector assembly 8 is rotatably mounted on the active shaft 1 through the second bearing 81 . An isolation ring 82 is also provided between the connector assembly 8 and the driving shaft 1 . The magnetic conductive structure includes an outer magnetic conductive seat 83 installed on the housing 2 and facing the connector assembly 8 and an inner magnetic conductive seat 84 embedded on the active board 4. The outer magnetic conductive seat 83 and the inner magnetic conductive seat 84 are arranged adjacent to the first bearing 9 and located on both sides thereof. One end of the valve plate 6 is fixed on the other surface of the active plate 4 and the other end is opposite to the position of the oil outlet hole 42 .
上述高回油能力的硅油离合器的工作原理如下：The working principle of the above-mentioned high oil return capacity silicone oil clutch is as follows:
当车辆ECU（通过PWM脉冲信号控制）给硅油离合器的连接器总成8（主要是电磁线圈）断电时，阀片6在自身应力作用下复位而弹起，打开出油孔42，储油室7内的硅油经出油孔42在离心力作用，进入工作腔，离合器进入耦合状态，硅油还经回油通道47、回油孔43、回油管路45进入储油室7，实现硅油的循环流动。When the vehicle ECU (controlled by PWM pulse signal) cuts off power to the connector assembly 8 (mainly the electromagnetic coil) of the silicone oil clutch, the valve plate 6 resets under its own stress and springs up, opening the oil outlet hole 42 to store oil. The silicone oil in the chamber 7 enters the working chamber under the action of centrifugal force through the oil outlet hole 42, and the clutch enters the coupling state. The silicone oil also enters the oil storage chamber 7 through the oil return channel 47, the oil return hole 43, and the oil return pipeline 45 to realize the circulation of silicone oil. flow.
当车辆ECU（通过PWM脉冲信号控制）给电控离合器的连接器总成8通电时，阀片6在电磁力的吸引下产生形变而关闭出油孔42，工作腔内的硅油逐渐回流至储油室7内，离合器进入分离状态。When the vehicle ECU (controlled by PWM pulse signal) energizes the connector assembly 8 of the electronically controlled clutch, the valve plate 6 deforms under the attraction of the electromagnetic force and closes the oil outlet hole 42, and the silicone oil in the working chamber gradually flows back to the reservoir. In the oil chamber 7, the clutch enters the disengaged state.
由于回油管路45固定端与主动轴1轴心线的距离小于回油管路45自由端与主动轴1轴心线的距离，这样回油孔43处的压力要大于回油管路45自由端处的压力，使回油管路45中的硅油尽量多的回到储油室7，从而减少工作腔内剩余硅油的量，达到减少剩余扭矩以降低分离转速的目的，进而提高回油能力并降低能耗。Since the distance between the fixed end of the oil return pipeline 45 and the axis center line of the driving shaft 1 is less than the distance between the free end of the oil return pipeline 45 and the axis center line of the driving shaft 1, the pressure at the oil return hole 43 is greater than that at the free end of the oil return pipeline 45 pressure, so that the silicone oil in the oil return line 45 returns to the oil storage chamber 7 as much as possible, thereby reducing the amount of remaining silicone oil in the working chamber, achieving the purpose of reducing the remaining torque to reduce the separation speed, thereby improving the oil return capacity and reducing energy Consumption.
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。The above embodiments are only for illustrating the technical concepts and characteristics of the present invention. Their purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly. They cannot limit the scope of protection of the present invention. All equivalent changes or modifications made based on the spirit and essence of the present invention should be included in the protection scope of the present invention.
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