Wireless transmission equipment for acquiring temperature and pressure signals between piston rings of marine engine
By installing temperature and pressure sensors on the piston skirt of marine engines, real-time monitoring and storage of temperature and pressure signals between piston rings is achieved using wireless transmission technology, solving the problem of traditional wired connection difficulties, and supporting fault analysis and optimized design.
Patent Information
- Application Number
- CN202422082302.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-27
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-27
AI Technical Summary
During marine engine testing, the temperature and pressure signals of the piston head are difficult to collect and transmit, and real-time monitoring and data analysis cannot be performed using wired connections.
Wireless transmission method is adopted to collect signals in the piston skirt through temperature sensors and pressure sensors, and wirelessly transmit data using signal transmission components and receiving components, and finally real-time monitoring and storage are realized on the display device.
It realizes wireless transmission of temperature and pressure signals between piston rings, can monitor and save data in real time on the display, and supports piston ring fault analysis and optimized design.
Smart Images

Figure CN223050678U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of marine engines, and particularly relates to a wireless transmission device for collecting temperature and pressure signals between piston rings of a marine engine. Background Art
[0002] During the test of a marine engine, it is necessary to collect the temperature data and pressure data of the temperature field of the heat-receiving parts of the engine piston. The collection and analysis of the temperature field data are of great significance for the accurate prediction and reasonable control of the heat transfer state of the engine cooling system. At the same time, the working state environment of the piston rings on the piston head directly affects the power, fuel consumption, noise and cylinder block service life of the engine. The collection, continuous monitoring and analysis of the pressure signal data between the piston rings can provide data support for the analysis of piston ring faults, cylinder liner scuffing and other problems, and can also provide a basis for the optimal design of piston rings.
[0003] However, it is relatively difficult to collect and transmit the temperature and pressure signals of such moving parts as the piston head. During the operation of the engine, the piston is continuously reciprocating, and it is impossible to output signals in a wired connection manner. Summary of the Utility Model
[0004] In view of the problems existing in the prior art, the present application proposes a wireless transmission device for collecting temperature and pressure signals between piston rings of a marine engine, including:
[0005] A signal transmitting component, including a temperature sensor and a pressure sensor, the temperature sensor and the pressure sensor are arranged on the piston skirt; used for collecting the temperature data and pressure data of the temperature field of the heat-receiving parts of the engine piston, and outputting the collected data in a wireless transmission manner;
[0006] A signal receiving component, including a receiving and collecting module and a wireless collecting chip adapted to the sensor; used for receiving the data output by the temperature sensor and the pressure sensor, and sending the collected data to the corresponding display device.
[0007] Further, after the temperature sensor and the pressure sensor are encapsulated, the leads are led to the piston skirt; a signal transmitting device fixing plate is installed at the bottom end of the piston skirt, and a transmitting device is arranged on the signal transmitting device fixing plate, and the transmitting device is electrically connected to the temperature sensor and the pressure sensor.
[0008] Further, the temperature sensor and the pressure sensor are arranged at a position close to the piston ring on the piston ring body.
[0009] Further, the fixing plate of the signal transmitting device is an annular structure that fits with the bottom end of the piston skirt; a plurality of through holes for cooperating with the temperature sensor and the pressure sensor are provided on the fixing plate of the signal transmitting device, and the transmitting device is disposed at a position on the bottom surface of the fixing plate of the signal transmitting device avoiding the through holes.
[0010] Further, the signal receiving assembly further includes a receiving antenna, and the receiving antenna is connected to the acquisition module.
[0011] Further, the receiving antenna is placed beside the scavenging box door cover.
[0012] Further, the signals collected by the acquisition module can be decoded and displayed on the display device simultaneously with other signals of the host.
[0013] After being received by the antenna, the signals are transmitted to the acquisition module. The position of the acquisition module can be arranged according to actual needs. The collected signals can be decoded and displayed on the display device simultaneously with other signals of the host.
[0014] The wireless transmission device for collecting temperature and pressure signals between piston rings of a marine engine provided by the present utility model has the following beneficial effects compared with the prior art:
[0015] The present utility model can transmit the collected temperature and pressure signals between piston rings to the receiving device by wireless transmission, so as to monitor and save the temperature and pressure data between piston rings in real time on the display. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a connection schematic diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] To enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further described below in conjunction with the drawings and specific embodiments.
[0018] Refer to Figure 1 , this application proposes a wireless transmission device for collecting temperature and pressure signals between piston rings of a marine engine, including:
[0019] A signal transmitting assembly, including a temperature sensor and a pressure sensor, which are disposed on the piston skirt (the piston body near the piston ring); used for collecting temperature field temperature data and pressure data of the heat-receiving part of the engine piston, and outputting the collected data by wireless transmission.
[0020] The signal receiving component includes a receiving antenna and a receiving device. The receiving antenna is placed beside the scavenging box door cover and is used to receive the signals output by the temperature sensor and the pressure sensor. The receiving device is provided with an acquisition module (generally a wireless acquisition chip adapted to the sensor) for acquiring the data collected by the receiving antenna. The signals acquired by the acquisition module can be decoded and displayed on the display device simultaneously with other signals of the host. The signals received by the antenna are transmitted to the acquisition module, and the position of the acquisition module can be arranged according to actual needs. The acquired signals can be decoded and displayed on the display device simultaneously with other signals of the host.
[0021] After the temperature sensor and the pressure sensor are encapsulated, the leads are led to the piston group part. A signal transmitting device fixing plate is installed at the bottom end of the piston skirt part, and a transmitting device is provided on the signal transmitting device fixing plate. The transmitting device is electrically connected to the temperature sensor and the pressure sensor.
[0022] The signal transmitting device fixing plate is an annular structure that fits with the bottom end of the piston skirt part. A number of through holes for cooperating with the temperature sensor and the pressure sensor are provided on the signal transmitting device fixing plate, and the transmitting device is arranged at a position on the bottom surface of the signal transmitting device fixing plate to avoid the through holes.
[0023] In summary, this is only the preferred embodiment of the present invention, and it does not limit the protection scope of the present invention. All equivalent changes and modifications made according to the scope of the present invention patent and the content of the specification are within the scope covered by the present invention patent.
Claims
1. A wireless transmission device for collecting temperature and pressure signals between piston rings of marine engines, characterized in that: include: The signal transmitting component includes a temperature sensor and a pressure sensor, wherein the temperature sensor and the pressure sensor are arranged on the piston skirt; the temperature data and the pressure data of the temperature field of the engine piston heating part are collected, and the collected data are outputted by wireless transmission; The signal receiving component includes an acquisition module, which is a wireless acquisition chip adapted to the sensor; it is used to receive the data output by the temperature sensor and the pressure sensor, and send the collected data to the corresponding display device.
2. The device according to claim 1, characterized in that: After the temperature sensor and the pressure sensor are packaged, the leads are connected to the piston group. A signal transmitter fixing plate is installed at the bottom end of the piston skirt, and a transmitter is provided on the signal transmitter fixing plate. The transmitter is electrically connected to the temperature sensor and the pressure sensor.
3. The device according to claim 2, characterized in that: The temperature sensor and the pressure sensor are arranged on the piston ring body at positions close to the piston ring.
4. The device according to claim 3, characterized in that: The signal transmitter fixing plate is an annular structure that cooperates with the bottom end of the piston skirt; the signal transmitter fixing plate is provided with a plurality of through holes that cooperate with the temperature sensor and the pressure sensor, and the transmitter is arranged at a position on the bottom surface of the signal transmitter fixing plate avoiding the through holes.
5. The device according to claim 1, characterized in that: The signal receiving component also includes a receiving antenna, and the receiving antenna is connected to the acquisition module.
6. The device according to claim 5, characterized in that: The receiving antenna is placed beside the scavenging air box door cover.
7. The device according to claim 5, characterized in that: The signal collected by the acquisition module can be displayed on the display device simultaneously with the host signal after being decoded; The antenna receives the signal and transmits it to the acquisition module. The acquisition module can be arranged according to actual needs. The collected signal can be displayed on the display device simultaneously with the host signal after decoding.