Pressure sensor

A pressure sensor and sensor technology, used in the measurement of fluid pressure, instruments, fluid pressure measurement using piezoelectric devices, etc., can solve the problems of pressure sensor core detection accuracy drop, temperature shock, fatigue load fluctuation shock, etc., to achieve protection Effects of Validity and Reliability

Pending Publication Date: 2018-11-30
威海泰航信息科技有限公司
View PDF9 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention aims to solve the problem that the pressure sensor of the marine diesel engine suffers from lubricating oil pressure pulse impacts, fatigue load fluctuation impacts, mechanical vibration impacts and temperature impacts during the operation of the existing marine diesel engine, resulting in a decline in the detection accuracy and failure of the pressure sensor core. Problem, provide a pressure sensor resistant to lubricating oil pressure pulse shock, fatigue load fluctuation shock, mechanical vibration shock and temperature shock

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Pressure sensor
  • Pressure sensor
  • Pressure sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 , Figure 7 , Figure 8 , Figure 9 Shown is an embodiment of a pressure sensor of the present invention, a pressure sensor is provided with a lower housing 1 and an upper housing 6, the upper end of the upper housing 6 is provided with an aviation plug 7, and the lower end of the lower housing 1 is provided with The pressure introduction hole 8, the upper end of the lower housing 6 is provided with a sensor pressure core 4, the sensor pressure core 4 is provided with a pressure sensitive bridge 15, the sensor pressure core 4 is also provided with an electronic circuit 14, and the pressure sensitive circuit The bridge 15 is electrically connected with the electronic circuit 14. The bottom of the sensor pressure core 4 is provided with a pressure sensing area 13. The pressure sensing area 13 communicates with the pressure introduction hole 8. The upper end of the sensor pressure core 4 is provided with a compression ring 5. The ring 5 presses the sens...

Embodiment 2

[0047] figure 2 , Figure 6 is another embodiment of a pressure sensor of the present invention, figure 2 is the schematic diagram of the assembly structure of the pressure sensor, Figure 6 is a structural schematic diagram of the pressure buffer ring 2. The difference from Example 1 is that the pressure buffer ring 2 is in the shape of a disc with a certain thickness, and the pressure buffer ring 2 in the shape of a disc is provided with a pressure diversion buffer orifice 9, and the pressure The plane of the buffer ring 2 is the pressure refraction buffer surface 18, and the side of the pressure introduction hole 8 close to the pressure buffer ring 2 is provided with a pressure diversion buffer zone 11. When the pressure oil enters through the pressure introduction hole 8, it first passes through the pressure diversion buffer Zone 11 is buffered, and the pressure release is also realized. At the same time, the pressure oil will also hit the pressure refraction buffer su...

Embodiment 3

[0050] image 3 It is another embodiment of a pressure sensor of the present invention. It can be seen that the pressure guiding hole 8 is provided with a pressure diversion buffer zone 11 on the side close to the pressure buffer ring 2, and the pressure diversion buffer zone 11 is connected to the pressure buffer ring 2. The pressure buffer release cavity 10 on the top forms a pressure buffer release cavity with a larger space. In this embodiment, the pressure diversion buffer zone 11 provided on the side of the pressure introduction hole 8 close to the pressure buffer ring 2 is in the shape of a conical cavity. One end of the large circle of the conical cavity is connected to the pressure buffer release cavity 10 connected to the inner side of the support portion 17 of the pressure buffer ring 2, and the inner surface of the inner conical cavity of the pressure diversion buffer zone 11 is a pressure diversion release slope 12, and the pressure guide The pressure diversion bu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a pressure sensor which is provided with an upper shell and a lower shell. The lower end of the lower shell is provided with a pressure guiding hole, and a pressure core body ofthe sensor is arranged inside the upper end of the lower shell. The upper ends of the pressure core body of the sensor are provided with pressing rings, and the pressing rings compact the pressure core body of the sensor. The pressure core body of the sensor is connected with the pressure guiding hole and a pressure sensing zone in a sealing mode. A pressure buffer ring is arranged between the pressure sensing zone and the pressure guiding hole. The pressure buffer ring is provided with a pressure diversion buffer damping hole. A pressure refraction buffer surface is arranged at the bottom ofthe pressure buffer ring and the pressure refraction buffer surface solves the operation of the existing diesel engine. According to the pressure sensor, the technical problem of, in the operation process of an existing marine diesel engine, the detection accuracy degradation and failure of the pressure sensor core body caused by the lubricating oil pressure pulse impact, the fatigue load fluctuation shock impact, the mechanical vibration impact and the temperature impact on the marine diesel engine pressure sensor is solved. According to the pressure sensor, the pressure sensor can be widelyused, and it is especially suitable for the marine diesel engine pressure sensor.

Description

technical field [0001] The invention relates to a pressure sensor device, in particular to a pressure sensor. Background technique [0002] Marine diesel engine is a kind of special diesel engine, most of which are large-power diesel engines. It is generally used for fishing boats and transport cargo ships. The power of marine diesel engines for fishing boats is generally several hundred horsepower, and the power of marine diesel engines for transport cargo ships is higher. This kind of diesel engine is installed inside the cabin. As the navigation power of the ship, the reliability of operation is very important. Therefore, it is necessary to monitor various parameters of the diesel engine during operation, including speed, temperature and pressure parameters. Among them, the pressure parameters The monitoring mainly uses the pressure sensor of the marine diesel engine to realize the pressure detection of the lubricating oil. If the pressure of the lubricating oil cannot me...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G01L19/14G01L19/06G01L9/08
CPCG01L9/08G01L19/06G01L19/14
Inventor 唐宇李庆丽张丹丹石福蒲鹏
Owner 威海泰航信息科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap