Piston gas ring, piston gas ring structure parameter generation method and related device

Abstract

The invention discloses a piston gas ring, a piston gas ring structure parameter generation method and a related device, and relates to the field of piston gas rings, and the piston gas ring comprises a gas ring body and an elastic assembly; the elastic assembly is fixedly arranged on the inner side of the gas ring body, one part of the elastic assembly is located in the gas ring body, and the other part of the elastic assembly is located outside the gas ring body; when the gas ring body operates in the cylinder sleeve, if the pressure of the first piston ring bank is larger than a pressure threshold value, and the minimum gap between the gas ring body and the upper end face of the piston ring groove is zero, the other part of the elastic assembly makes contact with the side face of the piston ring groove and generates elastic force, so that the outer side of the gas ring body is attached to the inner wall of the cylinder sleeve to form a sealing face. The purposes of avoiding radial collapse of the piston gas ring and guaranteeing the sealing effect of the piston gas ring can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of piston gas rings, and in particular to a piston gas ring, a method for generating piston gas ring structural parameters, and related devices. Background Art

[0002] When the gas pressure in the engine cylinder is high, the gas pressure on each piston ring edge will increase. The larger ring edge gas pressure will cause the piston ring to shrink in the radial direction, resulting in radial collapse, causing the piston ring to separate from the cylinder liner and lose the sealing effect. The gas and oil flow in the gap between the front end of the piston ring and the cylinder liner, causing high gas leakage, high oil consumption and other problems. Summary of the invention

[0003] In view of the above problems, the present application provides a piston ring, a method for generating piston ring structural parameters and related devices to achieve the purpose of preventing the piston ring from radially collapsing and ensuring the sealing effect of the piston ring. The specific scheme is as follows:

[0004] The first aspect of the present application provides a piston gas ring, comprising:

[0005] Gas ring body and elastic component;

[0006] The elastic component is fixedly arranged on the inner side of the air ring body, and a part of the elastic component is located inside the air ring body, and another part of the elastic component is located outside the air ring body;

[0007] When the gas ring body is running in the cylinder liner, if the pressure of the first piston ring bank is greater than the pressure threshold, and the minimum gap between the gas ring body and the upper end face of the piston ring groove is 0, the other part of the elastic component contacts the side face of the piston ring groove and generates elastic force, so that the outer side of the gas ring body fits with the inner wall of the cylinder liner to form a sealing surface; wherein, the pressure threshold is the sum of the pressure of the piston ring groove, the pressure of the second piston ring bank and the pressure formed by the elastic force of the gas ring body itself; the lower end face of the first piston ring bank is the upper end face of the piston ring groove; the upper end face of the second piston ring bank is the lower end face of the piston ring groove.

[0008] In a possible implementation, the distance between the center position of the elastic component and the rear end of the piston ring is not less than half the width of the elastic component; wherein the rear end of the piston ring is an end of the piston ring close to the side of the piston ring groove.

[0009] In a possible implementation, the number of the elastic components is one or more; wherein, if the number of the elastic components is multiple, each of the elastic components is arranged along the axial direction, and the sum of the heights of all the elastic components is less than the height of the air ring body.

[0010] In a possible implementation, the cross-sectional shape of the elastic component is elliptical or circular; and the elastic component is a rubber component.

[0011] A second aspect of the present application provides a method for generating structural parameters of a piston ring, which is applied to a piston ring of any implementation of the first aspect;

[0012] The method comprises:

[0013] Obtaining piston structural parameters, cylinder liner structural parameters and combustion gas pressure in the engine cylinder;

[0014] Obtaining the gas ring body structural parameters according to the piston structural parameters, the cylinder liner structural parameters and the combustion gas pressure in the engine cylinder;

[0015] Determine the center position of the elastic component according to the structural parameters of the gas ring body;

[0016] Determining the size of the elastic component according to the center position of the elastic component;

[0017] Determine whether the piston gas ring obtained according to the piston gas ring structural parameters meets the gas ring operation requirements. If it meets the gas ring operation requirements, obtain the piston gas ring structural parameters; wherein the piston gas ring structural parameters include the gas ring body structural parameters, the elastic component center position and the elastic component size.

[0018] In a possible implementation, determining the center position of the elastic component according to the structural parameters of the gas ring body includes:

[0019] The width of the gas ring body is calculated according to the gas ring body diameter, the piston ring groove diameter and the back clearance; wherein the back clearance is the gap between the rear end of the piston gas ring and the side of the piston ring groove, and the rear end of the piston gas ring is the end of the piston gas ring close to the side of the piston ring groove;

[0020] The height of the gas ring body is calculated according to the piston ring groove height and the side clearance; wherein the side clearance is the gap between the upper end surface of the piston gas ring and the upper end surface of the piston ring groove, and the upper end surface of the piston gas ring is the side of the piston gas ring close to the upper end surface of the piston ring groove;

[0021] Calculate the distance between the center position of the elastic component and the tail end of the piston gas ring according to the gas ring body width, the gas ring body height, and the gas ring body diameter;

[0022] The distance between the center position of the elastic component and the upper end surface of the piston gas ring is calculated according to the height of the gas ring body.

[0023] In a possible implementation, determining the size of the elastic component according to the center position of the elastic component includes:

[0024] The width of the elastic component is determined according to the distance between the center position of the elastic component and the tail end of the piston gas ring; wherein half of the width of the elastic component is not greater than the distance between the center position of the elastic component and the tail end of the piston gas ring;

[0025] The height of the elastic component is calculated according to the width of the elastic component, the diameter of the air ring body and the number of the elastic components.

[0026] The third aspect of the present application provides a computer program product, including computer-readable instructions. When the computer-readable instructions are executed on an electronic device, the electronic device implements the piston gas ring structural parameter generation method of the second aspect or any implementation of the second aspect.

[0027] A fourth aspect of the present application provides an electronic device, comprising at least one processor and a memory connected to the processor, wherein:

[0028] The memory is used to store computer programs;

[0029] The processor is used to execute the computer program so that the electronic device can implement the piston gas ring structural parameter generation method of the second aspect or any implementation of the second aspect.

[0030] A fifth aspect of the present application provides a computer storage medium, which carries one or more computer programs. When the one or more computer programs are executed by an electronic device, the electronic device can implement the method for generating piston air ring structural parameters according to the second aspect or any implementation of the second aspect.

[0031] By means of the above technical scheme, the piston gas ring, the method for generating the structural parameters of the piston gas ring and the related devices provided by the present application, by arranging an elastic component on the gas ring body, can generate elastic force by contacting the side of the piston ring groove when the pressure of the first piston ring bank is too large and there is a possibility of radial collapse of the piston gas ring. The elastic force can make the piston gas ring and the cylinder liner fit together to form a sealing surface, thereby avoiding separation of the piston gas ring and the cylinder liner. In addition, the elastic force increases with the increase of the pressure of the first piston ring bank, thereby realizing the change of the elastic force of the piston gas ring during operation, reducing the risk of radial collapse of the piston gas ring, ensuring the sealing effect of the piston gas ring, reducing the leakage and oil consumption, and at the same time, since the elastic component and the piston ring groove are in elastic contact, wear between the ring and the ring groove can be effectively avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. Throughout the accompanying drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and the originals and elements are not necessarily drawn to scale.

[0033] Figure 1 A top view of a piston gas ring structure provided in this application;

[0034] FIG2 (a) is a cross-sectional view of a piston gas ring structure in which the cross-sectional shape of an elastic component provided by the present application is an elliptical shape;

[0035] Figure 2 (b) is a cross-sectional view of a piston gas ring structure having a rectangular cross-sectional shape of an elastic component provided by the present application;

[0036] Figure 2 (c) is a cross-sectional view of a piston gas ring structure having two elastic components provided in the present application;

[0037] FIG3 (a) is a schematic diagram of a piston gas ring in a positive twist state provided by the present application;

[0038] Figure 3 (b) is a schematic diagram of a piston gas ring negative torque state provided by the present application;

[0039] Figure 4 A flow chart of a method for generating piston gas ring structural parameters provided in this application;

[0040] FIG5 (a) is a schematic diagram of a side clearance and back clearance provided by the present application;

[0041] Figure 5 (b) is a schematic diagram of the size of a piston gas ring provided in the present application;

[0042] FIG5 (c) is a schematic diagram of the dimensions of an elastic component provided in the present application;

[0043] Figure 6 A schematic diagram of the structure of an electronic device provided in this application. DETAILED DESCRIPTION

[0044] The following describes the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. The terms used in the implementation method section of the present application are only used to explain the specific embodiments of the present application, and are not intended to limit the present application.

[0045] The embodiments of the present application are described below in conjunction with the accompanying drawings. Those skilled in the art will appreciate that, with the development of technology and the emergence of new scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0046] The terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and need not be used to describe a specific order or sequential order. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances, which is only to describe the distinction mode adopted by the objects of the same attributes when describing in the embodiments of the present application. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, so that the process, method, system, product or equipment comprising a series of units need not be limited to those units, but may include other units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0047] Reference Figure 1 , Figure 1 A top view of a piston gas ring structure provided in an embodiment of the present application, such as Figure 1 As shown, a piston gas ring provided in an embodiment of the present application includes:

[0048] Gas ring body 1 and elastic component 2.

[0049] The elastic component 2 is fixedly arranged on the inner side of the gas ring body 1 , and a part of the elastic component 2 is located inside the gas ring body 1 , and another part of the elastic component 2 is located outside the gas ring body 1 .

[0050] Optionally, the elastic component can be fixed to the gas ring body by casting, nesting, or mortise and tenon plus bonding. A portion of the elastic component is embedded in the gas ring body, and a portion protrudes from the gas ring body and is located outside the gas ring body to facilitate elastic contact with the piston. The elastic component can be a high-temperature resistant elastic component. The elastic component can be a rubber component, specifically a high-temperature resistant rubber component. The contact between the piston gas ring and the ring groove of the present application is an elastic contact between rubber and metal, which can effectively avoid wear between the ring and the ring groove.

[0051] The piston gas ring described in the present application can be the first gas ring or the second gas ring. As the pressure on each gas ring gradually decreases, the second gas ring is more likely to have the risk of piston radial collapse than the first gas ring. The piston gas ring can play the role of sealing air, sealing oil and conducting heat.

[0052] Optionally, the air ring body can be a conical ring, a nose ring, a barrel ring, a trapezoidal ring, or a twisted ring, which is not specifically limited in the present application. The cross-sectional shape of the elastic component is elliptical or circular. The cross-sectional shape of the elastic component is elliptical or circular. After the impact of the oil-gas mixed airflow, a tumble flow will be formed due to the existence of the arc, causing the oil-gas mixed airflow to reflux, which can enhance the air and oil sealing effect. Of course, the cross-sectional shape of the elastic component can also be rectangular. Figure 2 (a) is a cross-sectional view of a piston air ring structure in which the cross-sectional shape of the elastic component provided in an embodiment of the present application is elliptical, and Figure 2 (b) is a cross-sectional view of a piston air ring structure in which the cross-sectional shape of the elastic component provided in an embodiment of the present application is rectangular.

[0053] Optionally, the number of elastic components is one or more; wherein, if the number of elastic components is more than one, each elastic component is arranged in the axial direction, and the sum of the heights of all elastic components is less than the height of the gas ring body. Figure 2 (c) is a cross-sectional view of a piston gas ring structure with two elastic components.

[0054] When the gas ring body is running in the cylinder liner, if the pressure of the first piston ring bank is greater than the pressure threshold, and the minimum gap between the gas ring body and the upper end face of the piston ring groove is 0, the other part of the elastic component contacts the side of the piston ring groove and generates elastic force, so that the outer side of the gas ring body fits with the inner wall of the cylinder liner to form a sealing surface. Among them, the pressure threshold is the sum of the pressure of the piston ring groove, the pressure of the second piston ring bank and the pressure formed by the elastic force of the gas ring body itself; the lower end face of the first piston ring bank is the upper end face of the piston ring groove; the upper end face of the second piston ring bank is the lower end face of the piston ring groove.

[0055] Optionally, to ensure the adhesion between the elastic component and the gas ring body, the distance between the center position of the elastic component and the tail end of the piston gas ring is not less than half the width of the elastic component; wherein the tail end of the piston gas ring is the end of the piston gas ring close to the side of the piston ring groove.

[0056] FIG3 (a) is a schematic diagram of a piston gas ring in a positive torsion state provided by an embodiment of the present application, and FIG3 (b) is a schematic diagram of a piston gas ring in a negative torsion state provided by an embodiment of the present application. A piston ring groove is provided on the piston 3. During the operation of the piston gas ring in the cylinder sleeve 4, the piston gas ring will twist and move up and down due to its own twisting and the action of inertia force, resulting in the minimum gap between the piston gas ring and the upper end surface of the piston ring groove being 0, and the airflow is trapped. When the airflow is trapped, if the pressure P1 of the first piston ring bank is large, so that the pressure P1 is greater than the sum of the surface pressure formed by the ring groove pressure P2, the pressure P3 of the second piston ring bank and the elastic force of the gas ring body itself, the piston gas ring without the elastic component installed will shrink in the radial direction, resulting in an increase in the amount of gas leakage. The piston gas ring provided by the present application, because the elastic force generated by the contact between the elastic component and the side of the piston ring groove will increase with the increase of the pressure P1 of the first piston ring bank, so that the force is balanced in the radial direction, the outer side of the gas ring body and the inner wall of the cylinder sleeve 4 can fit together to form a sealing surface, avoiding the occurrence of radial collapse. In Figure 3 (a) and Figure 3 (b), t1 is the vertical distance between the contact point between the gas ring body and the upper end surface of the piston ring groove and the contact point between the gas ring body and the cylinder liner, t2 is the vertical distance between the contact point between the elastic component and the side surface of the piston ring groove and the contact point between the gas ring body and the upper end surface of the piston ring groove, t3 is the vertical distance between the contact point between the elastic component and the side surface of the piston ring groove and the contact point between the gas ring body and the cylinder liner, t1=t2+t3.

[0057] The piston gas ring provided by the present application, by arranging an elastic component on the gas ring body, can generate elastic force when the pressure of the first piston ring bank is too large and there is a possibility of radial collapse of the piston gas ring, the elastic component contacts the side of the piston ring groove, and the elastic force can make the piston gas ring and the cylinder liner fit to form a sealing surface, thereby avoiding separation of the piston gas ring and the cylinder liner. In addition, the elastic force increases with the increase of the pressure of the first piston ring bank, thereby realizing the change of the elastic force of the piston gas ring during operation, reducing the risk of radial collapse of the piston gas ring, ensuring the sealing effect of the piston gas ring, and reducing the leakage and oil consumption. At the same time, since the elastic component and the piston ring groove are in elastic contact, wear between the ring and the ring groove can be effectively avoided.

[0058] Reference Figure 4 , Figure 4 The process diagram of the method for generating piston ring structural parameters provided in the embodiment of the present application is as follows: Figure 4 As shown, a method for generating piston gas ring structural parameters provided in an embodiment of the present application may include steps 401 to 405, and these steps are described in detail below.

[0059] The present application provides a method for generating structural parameters of a piston gas ring, which is applied to the above-mentioned piston gas ring. The structure of the piston gas ring can refer to Figure 1 To Figure 3. The piston ring structural parameter generation method includes:

[0060] Step 401: Obtain piston structural parameters, cylinder liner structural parameters and combustion gas pressure in the engine cylinder.

[0061] The piston structural parameters may include the first piston ring land diameter D1, the second piston ring land diameter D2, the piston ring groove diameter D3, and the piston ring groove height h0. The lower end surface of the first piston ring land is the upper end surface of the piston ring groove, and the upper end surface of the second piston ring land is the lower end surface of the piston ring groove. The cylinder liner structural parameters may include the cylinder diameter D0. In addition, the combustion gas pressure P in the engine cylinder is also obtained.

[0062] Step 402: Obtain the gas ring body structural parameters according to the piston structural parameters, the cylinder liner structural parameters and the combustion gas pressure in the engine cylinder.

[0063] The air ring body structural parameters may include the air ring body diameter D, the air ring body structure type, the air ring initial target elastic force F aim The diameter of the gas ring body can be obtained according to the piston structural parameters and the cylinder liner structural parameters. The gas ring body structural type can be obtained according to the piston structural type. The initial target elastic force F of the gas ring can be obtained according to the piston structural parameters and the combustion gas pressure in the engine cylinder. aim .

[0064] In addition, the side clearance eh and back clearance el are also required. Figure 5 (a) is a schematic diagram of the side clearance and back clearance. As shown in Figure 5 (a), the back clearance el is the gap between the tail end of the piston gas ring and the side of the piston ring groove. The tail end of the piston gas ring is the end of the piston gas ring close to the side of the piston ring groove. The side clearance eh is the gap between the upper end face of the piston gas ring and the upper end face of the piston ring groove. The upper end face of the piston gas ring is the side of the piston gas ring close to the upper end face of the piston ring groove. Among them, the side clearance needs to ensure that the gas ring can slide without restriction under high temperature and high pressure. The side clearance can be 0.04mm-0.5mm. The back clearance needs to ensure that the gas ring still retains a part of the gap with the ring groove most of the time, and at the same time, it can contact the ring groove to provide elastic force when the gas ring undergoes large bending and deformation. The back clearance can be 0.03 mm-0.25mm.

[0065] Step 403: Determine the center position of the elastic component according to the structural parameters of the gas ring body.

[0066] In an optional implementation, determining the center position of the elastic component according to the structural parameters of the gas ring body includes:

[0067] Calculate the width of the gas ring body according to the gas ring body diameter, piston ring groove diameter and back clearance; the back clearance is the gap between the tail end of the piston gas ring and the side of the piston ring groove, and the tail end of the piston gas ring is the end of the piston gas ring close to the side of the piston ring groove;

[0068] The height of the gas ring body is calculated according to the piston ring groove height and side clearance; wherein the side clearance is the gap between the upper end surface of the piston gas ring and the upper end surface of the piston ring groove, and the upper end surface of the piston gas ring is the side of the piston gas ring close to the upper end surface of the piston ring groove;

[0069] Calculate the distance between the center of the elastic component and the tail end of the piston gas ring according to the gas ring body width, gas ring body height and gas ring body diameter;

[0070] According to the height of the gas ring body, the distance between the center position of the elastic component and the upper end surface of the piston gas ring is calculated.

[0071] Figure 5 (b) is a schematic diagram of the piston gas ring size. As shown in Figure 5 (b), the width of the gas ring body is l, the height of the gas ring body is h, the distance between the center position of the elastic component and the tail end of the piston gas ring is l1, and the distance between the center position of the elastic component and the upper end surface of the piston gas ring is h1.

[0072] When calculating the width of the gas ring body based on the gas ring body diameter, piston ring groove diameter and back clearance, the formula that can be used is l = (D-D3-2×el) / 2.

[0073] When calculating the height of the gas ring body based on the piston ring groove height and side clearance, the formula that can be used is h=h0-eh.

[0074] When calculating the distance between the center position of the elastic component and the tail end of the piston gas ring based on the gas ring body width, gas ring body height, and gas ring body diameter, the formula that can be used is:

[0075]

[0076] Where, E1 is the elastic modulus of the gas ring body, which can be determined by the material; S0 is the free opening gap of the gas ring body, S0 can be 2.5l-3.9l; S is the closed gap of the gas ring body, S can be 0.03S0-0.06S0; ɛ is the gas ring section coefficient, which can be determined according to the cross-sectional shape; F R is the elastic force of the gas ring body, F R = α × F aim , α can be 0.95-1.

[0077] Step 404: Determine the size of the elastic component according to the center position of the elastic component.

[0078] In an optional implementation, determining the size of the elastic component according to the center position of the elastic component includes:

[0079] The width of the elastic component is determined according to the distance between the center position of the elastic component and the rear end of the piston gas ring; wherein half of the width of the elastic component is not greater than the distance between the center position of the elastic component and the rear end of the piston gas ring;

[0080] The height of the elastic component is calculated based on the width of the elastic component, the diameter of the gas ring body and the number of elastic components.

[0081] Figure 5 (c) is a schematic diagram of the dimensions of the elastic component. As shown in Figure 5 (c), a is the width of the elastic component and b is the height of the elastic component. To ensure the bonding degree between the elastic component and the gas ring body, the distance between the center position of the elastic component and the tail end of the piston gas ring is not less than half of the width of the elastic component. Half of the width a of the elastic component can be 0.4l1-0.5l1.

[0082] According to the width of the elastic component, the diameter of the gas ring body and the number of elastic components, the height b of the elastic component can be calculated using the formula:

[0083]

[0084] Where κ is the elastic coefficient, which is related to the contact mode between the elastic component and the ring groove and the cross-sectional shape; n is the number of elastic components, E2 is the elastic modulus of the elastic component, and F b is the elastic force of the elastic component, F b Can be 0.05F R -0.6F R .

[0085] Step 405: Determine whether the piston gas ring obtained according to the piston gas ring structural parameters meets the gas ring operation requirements. If it meets the gas ring operation requirements, obtain the piston gas ring structural parameters; wherein the piston gas ring structural parameters include gas ring body structural parameters, elastic component center position and elastic component size.

[0086] The piston ring obtained according to the piston ring structure parameters can be simulated and tested to determine whether it meets the ring operation requirements, such as whether there is a snap ring, whether the ring does not collapse under normal conditions, whether there is a risk of cylinder scuffing, whether the ring life will be reduced, and whether the leakage and oil consumption will increase. Cylinder scuffing refers to abnormal wear between the piston ring and the cylinder liner.

[0087] If it is found through simulation and experimental operations that the requirements are not met, it is necessary to adjust the gas ring body structural parameters, and then recalculate the center position of the elastic component and the size of the elastic component until the piston gas ring obtained according to the piston gas ring structural parameters meets the requirements.

[0088] A method for generating piston ring structural parameters provided by an embodiment of the present application is introduced above. A system for executing the above method for generating piston ring structural parameters will be introduced below.

[0089] The piston gas ring structure parameter generation system includes:

[0090] A parameter acquisition module, used to acquire piston structural parameters, cylinder liner structural parameters and combustion gas pressure in the engine cylinder;

[0091] The gas ring body structural parameter acquisition module is used to obtain the gas ring body structural parameters according to the piston structural parameters, the cylinder liner structural parameters and the combustion gas pressure in the engine cylinder;

[0092] The elastic component center position determination module is used to determine the elastic component center position according to the gas ring body structural parameters;

[0093] An elastic component size determination module, used to determine the size of the elastic component according to the center position of the elastic component;

[0094] The piston gas ring structure generation module is used to determine whether the piston gas ring obtained according to the piston gas ring structure parameters meets the gas ring operation requirements. If the gas ring operation requirements are met, the piston gas ring structure parameters are obtained; wherein the piston gas ring structure parameters include the gas ring body structure parameters, the elastic component center position and the elastic component size.

[0095] In a possible implementation, the elastic component center position determination module is specifically used to:

[0096] Calculate the width of the gas ring body according to the gas ring body diameter, piston ring groove diameter and back clearance; the back clearance is the gap between the tail end of the piston gas ring and the side of the piston ring groove, and the tail end of the piston gas ring is the end of the piston gas ring close to the side of the piston ring groove;

[0097] The height of the gas ring body is calculated according to the piston ring groove height and side clearance; wherein the side clearance is the gap between the upper end surface of the piston gas ring and the upper end surface of the piston ring groove, and the upper end surface of the piston gas ring is the side of the piston gas ring close to the upper end surface of the piston ring groove;

[0098] Calculate the distance between the center of the elastic component and the tail end of the piston gas ring according to the gas ring body width, gas ring body height and gas ring body diameter;

[0099] According to the height of the gas ring body, the distance between the center position of the elastic component and the upper end surface of the piston gas ring is calculated.

[0100] In another possible implementation, the elastic component size determination module is specifically configured to:

[0101] The width of the elastic component is determined according to the distance between the center position of the elastic component and the rear end of the piston gas ring; wherein half of the width of the elastic component is not greater than the distance between the center position of the elastic component and the rear end of the piston gas ring;

[0102] The height of the elastic component is calculated based on the width of the elastic component, the diameter of the gas ring body and the number of elastic components.

[0103] The present application also provides an electronic device in an embodiment. Figure 6 As shown, it shows a schematic diagram of the structure of an electronic device suitable for implementing the embodiment of the present application. The electronic device in the embodiment of the present application may include but is not limited to fixed terminals such as mobile phones, laptops, PDAs (personal digital assistants), PADs (tablet computers), desktop computers, etc. Figure 6 The electronic device shown is merely an example and should not bring any limitation to the functions and scope of use of the embodiments of the present application.

[0104] like Figure 6 As shown, the electronic device may include a processing device (e.g., a central processing unit, a graphics processing unit, etc.) 601, which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) 602 or a program loaded from a storage device 608 to a random access memory (RAM) 603. When the electronic device is powered on, various programs and data required for the operation of the electronic device are also stored in the RAM 603. The processing device 601, the ROM 602, and the RAM 603 are connected to each other via a bus 604. An input / output (I / O) interface 605 is also connected to the bus 604.

[0105] Typically, the following devices may be connected to the I / O interface 605: an input device 606 including, for example, a touch screen, a touch pad, a keyboard, a mouse, a camera, a microphone, an accelerometer, a gyroscope, etc.; an output device 607 including, for example, a liquid crystal display (LCD), a speaker, a vibrator, etc.; a storage device 608 including, for example, a memory card, a hard disk, etc.; and a communication device 609. The communication device 609 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. Although Figure 6 An electronic device having various devices is shown, but it should be understood that it is not required to implement or possess all the devices shown. More or fewer devices may be implemented or possessed instead.

[0106] An embodiment of the present application also provides a computer program product including computer-readable instructions. When the computer-readable instructions are executed on an electronic device, the electronic device implements any one of the piston gas ring structure parameter generation methods provided in the embodiments of the present application.

[0107] A computer-readable storage medium is also provided in an embodiment of the present application. The storage medium carries one or more computer programs. When the one or more computer programs are executed by an electronic device, the electronic device can implement any one of the piston air ring structure parameter generation methods provided in the embodiment of the present application.

[0108] It should also be noted that the device embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. In addition, in the drawings of the device embodiments provided by the present application, the connection relationship between the modules indicates that there is a communication connection between them, which may be specifically implemented as one or more communication buses or signal lines.

[0109] Through the description of the above implementation mode, the technicians in the field can clearly understand that the present application can be implemented by means of software plus necessary general hardware, and of course, it can also be implemented by special hardware including special integrated circuits, special CPUs, special memories, special components, etc. In general, all functions completed by computer programs can be easily implemented by corresponding hardware, and the specific hardware structure used to implement the same function can also be various, such as analog circuits, digital circuits or special circuits. However, for the present application, software program implementation is a better implementation mode in more cases. Based on such an understanding, the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a readable storage medium, such as a computer floppy disk, a U disk, a mobile hard disk, a ROM, a RAM, a disk or an optical disk, etc., including a number of instructions to enable a computer device (which can be a personal computer, a training device, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0110] In the above embodiments, all or part of the embodiments may be implemented by software, hardware, firmware or any combination thereof. When implemented by software, all or part of the embodiments may be implemented in the form of a computer program product.

[0111] The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website site, a computer, a training device, or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, training device, or data center. The computer-readable storage medium may be any available medium that a computer can store or a data storage device such as a training device, a data center, etc. that includes one or more available media integrations. The available medium may be a magnetic medium, (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state drive (SSD)), etc.

Claims

1. A piston gas ring, characterized in that: include: Gas ring body and elastic component; The elastic component is fixedly arranged on the inner side of the air ring body, and a part of the elastic component is located inside the air ring body, and another part of the elastic component is located outside the air ring body; When the gas ring body is running in the cylinder liner, if the pressure of the first piston ring bank is greater than the pressure threshold, and the minimum gap between the gas ring body and the upper end face of the piston ring groove is 0, the other part of the elastic component contacts the side face of the piston ring groove and generates elastic force, so that the outer side of the gas ring body fits with the inner wall of the cylinder liner to form a sealing surface; wherein, the pressure threshold is the sum of the pressure of the piston ring groove, the pressure of the second piston ring bank and the pressure formed by the elastic force of the gas ring body itself; the lower end face of the first piston ring bank is the upper end face of the piston ring groove; the upper end face of the second piston ring bank is the lower end face of the piston ring groove.

2. The piston ring according to claim 1, characterized in that: The distance between the center position of the elastic component and the tail end of the piston ring is not less than half of the width of the elastic component; wherein the tail end of the piston ring is the end of the piston ring close to the side of the piston ring groove.

3. The piston ring according to claim 1, characterized in that: The number of the elastic components is one or more; wherein, if the number of the elastic components is multiple, each of the elastic components is arranged along the axial direction, and the sum of the heights of all the elastic components is less than the height of the air ring body.

4. The piston gas ring according to any one of claims 1 to 3, characterized in that: The cross-sectional shape of the elastic component is elliptical or circular; the elastic component is a rubber component.

5. A method for generating piston ring structural parameters, characterized in that: Applicable to the piston gas ring according to any one of claims 1 to 4; The method comprises: Obtaining piston structural parameters, cylinder liner structural parameters and combustion gas pressure in the engine cylinder; Obtaining the gas ring body structural parameters according to the piston structural parameters, the cylinder liner structural parameters and the combustion gas pressure in the engine cylinder; Determine the center position of the elastic component according to the structural parameters of the gas ring body; Determining the size of the elastic component according to the center position of the elastic component; Determine whether the piston gas ring obtained according to the piston gas ring structural parameters meets the gas ring operation requirements. If it meets the gas ring operation requirements, obtain the piston gas ring structural parameters; wherein the piston gas ring structural parameters include the gas ring body structural parameters, the elastic component center position and the elastic component size.

6. The method for generating piston ring structural parameters according to claim 5, characterized in that: Determining the center position of the elastic component according to the structural parameters of the gas ring body includes: The width of the gas ring body is calculated according to the gas ring body diameter, the piston ring groove diameter and the back clearance; wherein the back clearance is the gap between the rear end of the piston gas ring and the side of the piston ring groove, and the rear end of the piston gas ring is the end of the piston gas ring close to the side of the piston ring groove; The height of the gas ring body is calculated according to the piston ring groove height and the side clearance; wherein the side clearance is the gap between the upper end surface of the piston gas ring and the upper end surface of the piston ring groove, and the upper end surface of the piston gas ring is the side of the piston gas ring close to the upper end surface of the piston ring groove; Calculate the distance between the center position of the elastic component and the tail end of the piston gas ring according to the gas ring body width, the gas ring body height, and the gas ring body diameter; The distance between the center position of the elastic component and the upper end surface of the piston gas ring is calculated according to the height of the gas ring body.

7. The method for generating piston ring structural parameters according to claim 6, characterized in that: Determining the size of the elastic component according to the center position of the elastic component includes: The width of the elastic component is determined according to the distance between the center position of the elastic component and the tail end of the piston gas ring; wherein half of the width of the elastic component is not greater than the distance between the center position of the elastic component and the tail end of the piston gas ring; The height of the elastic component is calculated according to the width of the elastic component, the diameter of the air ring body and the number of the elastic components.

8. A computer program product, characterized in that It comprises computer-readable instructions, and when the computer-readable instructions are executed on an electronic device, the electronic device implements the method for generating piston gas ring structural parameters as claimed in any one of claims 5 to 7.

9. An electronic device, characterized in that: The method comprises at least one processor and a memory connected to the processor, wherein: The memory is used to store computer programs; The processor is used to execute the computer program so that the electronic device can implement the piston gas ring structural parameter generation method as described in any one of claims 5 to 7.

10. A computer storage medium, characterized in that: The storage medium carries one or more computer programs, and when the one or more computer programs are executed by an electronic device, the electronic device can implement the piston gas ring structural parameter generation method as described in any one of claims 5 to 7.

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