Piston operation detection device
By designing a piston operation detection device, including a frame, simulation device and detection device, the problem of difficulty in detecting the piston and cylinder operating trajectory in the prior art is solved, and monitoring and displaying the piston operating trajectory and reaction is realized, and detection efficiency and accuracy are improved.
Patent Information
- Application Number
- CN202411508635.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-04-11
AI Technical Summary
The prior art is difficult to effectively detect the operating trajectory and reaction between the piston and the cylinder, affecting the research and development and quality inspection of the piston.
A piston operation detection device is designed, including a frame, a simulation device and a detection device. The simulation device simulates the movement of the piston and the cylinder, and the detection device monitors the pressure and motion data between the piston and the cylinder through the induction component, and displays the data on the control system.
The trajectory of the piston running is drawn through the detection device and the reaction between the piston and the cylinder is monitored to help conduct quality inspection and research and development tests, and improve the detection efficiency and accuracy of the piston.
Smart Images

Figure CN119803876A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of detection equipment, and in particular relates to a piston operation detection device. Background Art
[0002] The piston is a reciprocating part in the cylinder block of a car engine. The basic structure of a piston can be divided into the top, the head and the skirt. The top of the piston is the main part of the combustion chamber, and its shape is related to the type of combustion chamber selected. Gasoline engines mostly use flat-top pistons, which have the advantage of a small heat absorption area. There are often various pits on the top of the diesel engine piston, and their specific shape, position and size must be adapted to the requirements of the diesel engine's mixture formation and combustion.
[0003] Therefore, the inspection link after the piston is manufactured is particularly important. At the same time, corresponding inspection equipment is also needed in the research and development of pistons to assist in inspection. Therefore, we specially designed a piston operation inspection device. Summary of the invention
[0004] The purpose of the present invention is to provide a piston operation detection device to solve the above-mentioned technical problems, so as to achieve the effect of detecting piston operation and assisting with line drawing detection.
[0005] In view of this, the present invention provides a piston operation detection device, comprising:
[0006] frame;
[0007] A simulation device, which is arranged on the frame and includes a cylinder mechanism, a running mechanism and a control system;
[0008] A detection device, the detection device is arranged on the piston operating mechanism;
[0009] The detection device draws the running track between the piston and the cylinder body.
[0010] In the above technical solution, further, the cylinder mechanism includes:
[0011] A base, which is arranged on the frame and has a through installation slot;
[0012] A cylinder body, which is movably arranged in the mounting groove and has a generating chamber arranged on the cylinder body;
[0013] The oil and gas generating assembly is arranged on the base, connected to the generating chamber, and matched with the cylinder body;
[0014] Wherein, the detection device detects the generating chamber.
[0015] In the above technical solution, further, the oil and gas generating assembly includes:
[0016] The oiler includes an oil valve, an oil pipe and a fixed plate. The oil valve is connected to the fixed plate, the oil pipe is connected to the oil valve, and the fixed plate is connected to one end of the mounting groove.
[0017] The air inlet component includes an air valve and an air pipe. The air valve is arranged at the upper end of the base. The air pipe is connected to the air valve and passes through the base and extends into the installation groove.
[0018] Among them, an oil filling port is formed at the bottom end of the cylinder body, the oil valve extends into the mounting groove and is connected to the oil filling port, and an air inlet hole is arranged on one side of the cylinder body, and the air inlet port corresponds to the air pipe.
[0019] In the above technical solution, further, the operating mechanism includes:
[0020] Displacement components;
[0021] The piston clamp comprises a clamping frame and a connecting rod, the clamping frame is H-shaped, and a connecting hole is provided on the clamping frame, and the connecting rod cooperates with the connecting hole;
[0022] Wherein, the detection device is arranged at one end of the connecting rod.
[0023] In the above technical solution, further, the operating mechanism also includes:
[0024] The driving assembly includes a motor and a pulley assembly. The motor is arranged on one side of the displacement assembly, and the pulley assembly matches the connecting rod with the motor.
[0025] In the above technical solution, further, the displacement component includes:
[0026] A slide rail, wherein the slide rail is arranged on the rack;
[0027] The slide is arranged on the slide rail, and the slide is integrally formed with the clamping frame, a support frame is arranged on one side of the clamping frame, and the motor is arranged on the support frame.
[0028] In the above technical solution, further, the rack includes:
[0029] Main frame;
[0030] A movable frame plate, the movable frame plate is hingedly matched with the main frame body, and the main frame body is provided with a bottom plate corresponding to the movable frame plate;
[0031] The telescopic device is arranged on the bottom plate and connected to the bottom surface of the movable frame plate.
[0032] In the above technical solution, further, the detection device includes:
[0033] A rocker structure, the rocker structure includes a fixed frame and a movable frame;
[0034] The sensing component includes a pressure sensor and a motion sensor, the pressure sensor is arranged in the generating chamber, and the motion sensor is arranged on the movable frame;
[0035] Among them, the pressure sensor and the motion sensor are connected to the control system, and the sensing data are displayed on the control system;
[0036] The fixed frame is arranged at one end of the connecting rod, the movable frame is hinged on the fixed frame, and the front end of the movable frame is connected with the piston.
[0037] In the above technical solution, further, it also includes:
[0038] A fixing component is arranged on the movable frame, the fixing component comprises a plurality of ropes and fixing buckles, and a plurality of holes are arranged on the movable frame. After the ropes are connected with the holes, a closed structure is formed on one side of the movable frame, and the ropes are connected with the fixing buckles on the other side of the movable frame.
[0039] In the above technical solution, further, a piston operation detection device includes multiple operation modes:
[0040] S1. Oil and gas power mode, after the oil and gas generating assembly supplies oil and gas into the generating chamber, the motor drives the piston to press into the generating chamber to provide initial power and then shuts down, and the piston cooperates with the cylinder under the action of oil and gas;
[0041] S2. In electric power mode, the motor directly drives the piston and the cylinder to cooperate in the generating chamber, and the oil and gas generating assembly is in a shut-down state.
[0042] The beneficial effects of the present invention are: the trajectory of the piston's operation is drawn through the detection device, and the reaction part between the piston and the cylinder is monitored and sensed, and then the operation of the piston is simulated, which is helpful for quality inspection. At the same time, the operation trajectory of the piston will be drawn to help research and development testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0043] Figure 1 It is a schematic diagram of the structure of the present invention;
[0044] Figure 2 It is a schematic diagram of the structure of the rack of the present invention after the rack is moved;
[0045] Figure 3 It is a partial schematic diagram of the cylinder mechanism of the present invention;
[0046] Figure 4 It is a partial schematic diagram of the operating mechanism of the present invention;
[0047] Figure 5 It is a schematic diagram of the rocker structure of the present invention;
[0048] The markings in the figure are as follows: 1. frame; 11. main frame; 111. bottom plate; 12. movable frame; 13. telescopic device; 21. base; 22. cylinder; 23. oil and gas generating assembly; 231. oil injector; 232. air intake; 31. displacement assembly; 311 slide rail; 312. slide table; 32. piston clamp; 321. clamping frame; 322. connecting rod; 33. driving assembly; 331. motor; 332. pulley assembly; 4. control system; 51. rocker structure; 511. fixed frame; 512. movable frame; 521. pressure sensor; 522. motion sensor; 6. fixing assembly; 61. rope; 62. fixing buckle. DETAILED DESCRIPTION
[0049] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.
[0050] Embodiment 1:
[0051] This embodiment provides a piston operation detection device, which is characterized by comprising:
[0052] Rack 1;
[0053] The simulation device is arranged on the frame 1, and the simulation device includes a cylinder 22 mechanism, a running mechanism and a control system 4;
[0054] A detection device, the detection device is arranged on the piston operating mechanism;
[0055] The detection device draws the running track between the piston and the cylinder body 22 .
[0056] It can be seen from this embodiment that a piston operation monitoring device includes a frame 1, a simulation device and a detection device, the simulation device includes a cylinder 22 mechanism, an operating mechanism and a control system 4, the control system 4 is a PLC system, when in use, the control system 4 controls the cylinder 22 and the operating mechanism to automatically cooperate with each other;
[0057] The detection device can draw the trajectory of the piston's movement and monitor the reaction between the piston and the cylinder 22, thereby simulating the operation of the piston, which helps with quality inspection. At the same time, the piston's movement trajectory can be drawn to help with research and development testing.
[0058] Embodiment 2:
[0059] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0060] The cylinder 22 simulation mechanism includes:
[0061] A base 21, the base 21 is arranged on the frame 1, and a through mounting groove is arranged on the base 21;
[0062] A cylinder body 22, the cylinder body 22 is movably arranged in the mounting groove, and a generating chamber is arranged on the cylinder body 22;
[0063] The oil and gas generating assembly 23 is arranged on the base 21 and connected to the generating chamber, and cooperates with the cylinder body 22;
[0064] Wherein, the detection device detects the generating chamber.
[0065] It can be seen from this embodiment that the cylinder 22 simulation mechanism includes a base 21, a cylinder 22 and an oil and gas generating assembly 23;
[0066] The base 21 is mounted on the frame 1, and a through mounting groove is provided on the base 21. The cylinder body 22 is arranged at one end of the base 21 and connected to the front end opening of the mounting groove. A generating chamber is arranged on the cylinder body 22. The operating mechanism controls the piston to move in the generating chamber. Meanwhile, the detection device is installed in the generating chamber and monitors the reaction of the piston movement in the generating chamber.
[0067] The oil and gas generating assembly 23 is arranged at the rear end of the base 21 and connected to the rear end opening of the mounting groove and connected to the bottom end of the cylinder. When in use, the oil and gas generating assembly 23 delivers oil and gas into the cylinder body 22;
[0068] Embodiment 3:
[0069] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0070] The oil and gas generating assembly 23 comprises:
[0071] The oil injector 231 includes an oil valve, an oil pipe and a fixed plate. The oil valve is connected to the fixed plate, the oil pipe is connected to the oil valve, and the fixed plate is connected to one end of the mounting groove.
[0072] An air inlet member 232, the air inlet member 232 comprises an air valve and an air pipe, the air valve is arranged at the upper end of the base 21, the air pipe is connected to the air valve and passes through the base 21 and extends into the mounting groove;
[0073] An oil filling port is formed at the bottom of the cylinder body 22, the oil valve extends into the mounting groove and is connected to the oil filling port, and an air inlet is provided on one side of the cylinder body 22, and the air inlet corresponds to the air pipe.
[0074] It can be seen from this embodiment that the oil and gas generating assembly 23 includes an oil injector 231 and an air inlet 232;
[0075] The oiler 231 includes an oil valve, an oil pipe and a fixed plate. The oil valve is connected to the fixed plate, the oil pipe is connected to the oil valve, the fixed plate is connected to an opening at one end of the mounting groove, and the oil pipe extends to the inner side of the mounting groove. The bottom end of the cylinder body 22 is formed with an oil filling port. When in use, the oil pipe is connected to the oil filling port and oil is injected into the generating cavity. Furthermore, a sealing gasket is provided between the fixed plate and the mounting groove to seal the connection surface and prevent leakage.
[0076] The air intake part 232 includes an air valve and an air pipe. The air valve is installed on the upper side of the base 21 and is connected to the air pipe. The air pipe passes through the base 21 and extends into the mounting groove. An air intake hole is provided on the wall surface at one end of the cylinder body 22 connected to the mounting groove, corresponding to the air pipe. Furthermore, a circle of protrusions is formed at the edge of the air intake hole, and a matching groove is formed at the mounting groove corresponding to the protrusion. The matching groove and the protrusion cooperate to install and position the cylinder body 22, thereby facilitating the positioning of the cylinder body 22 between the air pipe and the air intake hole after being connected to the mounting groove.
[0077] Embodiment 4:
[0078] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0079] The operating agencies include:
[0080] Displacement component 31;
[0081] The piston clamp 32 includes a clamping frame 321 and a connecting rod 322. The clamping frame 321 is H-shaped and is provided with a connecting hole. The connecting rod 322 cooperates with the connecting hole.
[0082] The detection device is arranged at one end of the connecting rod 322 .
[0083] It can be seen from this embodiment that the operating mechanism includes a displacement assembly 31 and a piston fixture 32;
[0084] The displacement assembly 31 is mounted on the frame 1, and the piston clamp 32 includes a clamping frame 321 and a connecting rod 322. The clamping frame 321 is mounted on the displacement assembly 31, and the connecting rod 322 is connected to the clamping frame 321 to clamp the piston;
[0085] When in use, the displacement assembly 31 can control the displacement of the piston by controlling the displacement of the piston fixture 32, thereby facilitating the loading and unloading of the piston during use, and is also conducive to adjusting the fit between the piston and the cylinder body 22.
[0086] Embodiment 5:
[0087] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0088] The operating agencies also include:
[0089] The driving assembly 33 includes a motor 331 and a pulley assembly 332 . The motor 331 is arranged on one side of the displacement assembly 31 . The pulley assembly 332 matches the connecting rod 322 with the motor 331 .
[0090] It can be seen from the present embodiment that the operating mechanism further includes a driving assembly 33, which includes a motor 331 and a pulley assembly 332. The pulley assembly 332 matches the motor 331 with the connecting rod 322. When in use, the motor 331 drives the connecting rod 322 to drive the connecting end of the piston to move, thereby providing initial power to the piston. During the movement, the piston compresses the oil-gas mixture in the generating chamber, thereby realizing the movement of the piston.
[0091] Embodiment 6:
[0092] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0093] The displacement assembly 31 comprises:
[0094] A slide rail 311, wherein the slide rail 311 is arranged on the frame 1;
[0095] The slide 312 is arranged on the slide rail 311 , and the slide 312 is integrally formed with the clamping frame 321 . A support frame is arranged on one side of the clamping frame 321 , and the motor 331 is arranged on the support frame.
[0096] It can be seen from this embodiment that the displacement assembly 31 includes a slide rail 311 and a slide table 312;
[0097] The slide rail 311 is installed on the frame 1, the slide table 312 is connected to the slide rail 311, the clamping frame 321 is welded integrally on the slide table 312, and a support frame is welded on the end surface of the slide table 312 on one side of the supporting frame, and the motor 331 is installed on the support frame;
[0098] The slide 312 is an electric slide 312 that can be adjusted and controlled by the control system 4, thereby facilitating operation.
[0099] Embodiment 7:
[0100] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0101] Rack 1 includes:
[0102] Main frame 11;
[0103] The movable frame 512 plate 12 is hingedly matched with the main frame 11, and the main frame 11 is provided with a bottom plate 111 corresponding to the movable frame 512 plate 12;
[0104] The telescopic device 13 is arranged on the bottom plate 111 and connected to the bottom surface of the movable frame 512 plate 12.
[0105] It can be seen from this embodiment that the frame 1 includes a main frame body 11 and a movable frame 512 plate 12;
[0106] The main frame 11 and the movable frame 512 plate 12 are hinged and fixed together;
[0107] The operating mechanism and control system 4 are installed on the main frame 11, the cylinder 22 mechanism is installed on the movable frame 512 plate 12, and the main frame 11 is provided with a bottom plate 111 corresponding to the movable frame 512 plate 12, and a telescopic device 13 is installed on the bottom plate 111, the telescopic device 13 is against the bottom surface of the movable frame 512 plate 12, and controls the angle change of the movable frame 512 plate 12. When in use, the telescopic device 13 can control the tilt of the movable frame 512 plate 12 to control the front end opening of the mounting groove on the base 21 to face upward, so that after the cylinder 22 cooperates with the piston, the oil is always at the lower end of the generating chamber under the angle action of the movable frame 512 plate 12, so that it is not easy to flow out.
[0108] Embodiment 8:
[0109] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0110] The detection device includes:
[0111] A rocker structure 51, the rocker structure 51 includes a fixed frame 511 and a movable frame 512;
[0112] A sensing component, the sensing component includes a pressure sensor 521 and a motion sensor 522, the pressure sensor 521 is arranged in the generating chamber, and the motion sensor 522 is arranged on the movable frame 512;
[0113] The pressure sensor 521 and the motion sensor 522 are connected to the control system 4, and the sensing data are displayed on the control system 4;
[0114] The fixed frame 511 is arranged at one end of the connecting rod 322 , the movable frame 512 is hinged on the fixed frame 511 , and the front end of the movable frame 512 is connected to the piston.
[0115] It can be seen from this embodiment that the detection device includes a rocker structure 51 and a sensing component;
[0116] The rocker structure 51 includes a fixed frame 511 and a movable frame 512. A plurality of movable frames 512 are provided. The movable frames 512 are hingedly fixed to the fixed frame 511, and the plurality of movable frames 512 are hingedly fixed together end to end. When in use, the movable frame 512 at the front end is connected to the piston and moves with the piston when in use.
[0117] The sensing component includes a pressure sensor 521 and a motion sensor 522. The pressure sensor 521 is arranged in the generating chamber and monitors the pressure changes in the generating chamber under the movement of the piston. The motion sensor 522 is arranged and connected to the movable frame 512 of the piston, and when the movable frame 512 follows the movement of the piston, the piston movement data is displayed through the control system 4.
[0118] Embodiment 9:
[0119] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features: a fixing assembly 6, which is arranged on a movable frame 512, and includes a plurality of wire ropes 61 and a fixing buckle 62, and a plurality of holes are arranged on the movable frame 512, and the wire ropes 61 are connected to the holes to form a closed structure on one side of the movable frame 512, and are connected to the fixing buckle 62 on the other side of the movable frame 512.
[0120] It can be seen from the present embodiment that the fixing assembly 6 includes a plurality of wire ropes 61 and fixing buckles 62 , the movable frame 512 is connected to the piston via the wire ropes 61 , and the connection is secured via the fixing buckles 62 .
[0121] Embodiment 10:
[0122] This embodiment provides a piston operation detection device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0123] S1. Oil and gas power mode, after the oil and gas generating assembly 23 supplies oil and gas to the generating chamber, the motor 331 drives the piston to be pressed into the generating chamber to provide initial power and then shut down, and the piston cooperates with the cylinder 22 under the action of oil and gas;
[0124] S2. In the electric power mode, the motor 331 directly drives the piston to cooperate with the cylinder 22 in the generating chamber, and the oil and gas generating assembly 23 is in a shut-down state.
[0125] It can be seen from this embodiment that the detection device includes two operating modes, namely, an oil-gas power mode connected to oil and gas and an electric power mode directly driven by motor 331. The oil-gas power mode can simulate the actual working state of the piston, while the electric power mode can be simulated by motor 331 without the participation of oil and gas, thereby reducing the simulation cost.
[0126] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.
Claims
1. A piston operation detection device, characterized in that: include: Rack (1); A simulation device, the simulation device being arranged on the frame (1), the simulation device comprising a cylinder (22) mechanism, an operating mechanism and a control system (4); A detection device, wherein the detection device is arranged on the piston operating mechanism; Wherein, the detection device draws the running track between the piston and the cylinder body (22).
2. A piston operation detection device according to claim 1, characterized in that: The cylinder body (22) mechanism comprises: A base (21), wherein the base (21) is arranged on the frame (1), and a through installation groove is arranged on the base (21); A cylinder body (22), wherein the cylinder body (22) is movably disposed in the mounting groove, and a generating chamber is disposed on the cylinder body (22); An oil and gas generating assembly (23), wherein the oil and gas generating assembly (23) is arranged on the base (21), connected to the generating chamber, and matched with the cylinder body (22); Wherein, the detection device detects the generating chamber.
3. A piston operation detection device according to claim 2, characterized in that: The oil and gas generating assembly (23) comprises: An oil injector (231), the oil injector (231) comprising an oil valve, an oil pipe and a fixed plate, the oil valve being connected to the fixed plate, the oil pipe being connected to the oil valve, the fixed plate being connected to an air inlet (232) at one end of the mounting groove, the air inlet (232) comprising an air valve and an air pipe, the air valve being arranged at the upper end of the base (21), the air pipe being connected to the air valve and penetrating the base (21) and extending into the mounting groove; The bottom end of the cylinder body (22) is formed with an oil filling port, the oil valve extends into the mounting groove and is connected to the oil filling port, and one side of the cylinder body (22) is provided with an air inlet, which corresponds to the air pipe.
4. A piston operation detection device according to claim 3, characterized in that the operation Institutions include: Displacement component (31); A piston clamp (32), the piston clamp (32) comprising a clamping frame (321) and a connecting rod (322), the clamping frame (321) being H-shaped, and a connecting hole being provided on the clamping frame (321), and the connecting rod (322) being matched with the connecting hole; Wherein, the detection device is arranged at one end of the connecting rod (322).
5. A piston operation detection device according to claim 4, characterized in that: The operating agencies also include: A driving assembly (33), wherein the driving assembly (33) comprises a motor (331) and a pulley assembly (332), wherein the motor (331) is arranged on one side of the displacement assembly (31), and the pulley assembly (332) matches the connecting rod (322) and the motor (331) together.
6. A piston operation detection device according to claim 5, characterized in that: The displacement assembly (31) comprises: A slide rail (311), wherein the slide rail (311) is arranged on the frame (1); A slide (312), wherein the slide (312) is arranged on a slide rail (311), and the slide (312) and the clamping frame (321) are integrally formed, a support frame is arranged on one side of the clamping frame (321), and the motor (331) is arranged on the support frame.
7. A piston operation detection device according to claim 6, characterized in that: The frame (1) includes: Main frame (11); A movable frame (512) plate (12), wherein the movable frame (512) plate (12) is hingedly matched with the main frame (11), and the main frame (11) is provided with a bottom plate (111) corresponding to the movable frame (512) plate (12); The telescopic device (13) is arranged on the bottom plate (111) and connected to the bottom surface of the movable frame (512) plate (12).
8. A piston operation detection device according to claim 7, characterized in that: The detection device includes: A rocker structure (51), the rocker structure (51) comprising a fixed frame (511) and a movable frame (512); A sensing component, the sensing component comprising a pressure sensor (521) and a motion sensor (522), the pressure sensor (521) being arranged in the generating chamber, and the motion sensor (522) being arranged on the movable frame (512); Wherein, the pressure sensor (521) and the motion sensor (522) are connected to the control system (4), and the sensing data are displayed on the control system (4); The fixed frame (511) is arranged at one end of the connecting rod (322), the movable frame (512) is hinged on the fixed frame (511), and the front end of the movable frame (512) is connected to the piston.
9. A piston operation detection device according to claim 8, characterized in that: include: A fixing assembly (6), wherein the fixing assembly (6) is arranged on a movable frame (512), the fixing assembly (6) comprises a plurality of strings (61) and fixing buckles (62), and the movable frame (512) is provided with a plurality of holes, the strings (61) being connected to the holes to form a closed structure on one side of the movable frame (512), and being connected to the fixing buckles (62) on the other side of the movable frame (512).
10. The piston operation detection device according to claim 9 comprises multiple operation modes: S1. Oil and gas power mode, after the oil and gas generating assembly (23) supplies oil and gas into the generating chamber, the motor (331) drives the piston to be pressed into the generating chamber to provide initial power and then shuts down, and the piston cooperates with the cylinder body (22) under the action of oil and gas; S2. In the electric power mode, the motor (331) directly drives the piston and the cylinder (22) to cooperate in the generating chamber, and the oil and gas generating assembly (23) is in a shut-down state.