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Tire pressure sensor configured with helical antenna

A helical antenna and tire pressure technology, which is applied in tire measurement, tire parts, transportation and packaging, etc., can solve the problems that affect the accuracy and distance of wireless signal transmission, the large space occupied by the PCB board antenna, and the interference of antenna transmission quality, etc. , to achieve the effects of small footprint, improved accuracy, and improved emission distance and wavelength

Inactive Publication Date: 2015-01-07
NANJING TOP SUN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the antenna of the wireless transmission module of most TPMS sensors is a PCB onboard antenna. However, the PCB onboard antenna will affect the transmission accuracy and distance of the wireless signal, and the components on the board will interfere with the quality of the antenna transmission.
At the same time, the PCB on-board antenna needs to occupy a large space, and other components should not be placed in this part of the space, which will increase the size of the sensor and increase the cost

Method used

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  • Tire pressure sensor configured with helical antenna
  • Tire pressure sensor configured with helical antenna
  • Tire pressure sensor configured with helical antenna

Examples

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Embodiment 1

[0015] Embodiment 1: This embodiment provides a tire pressure sensor with a helical antenna, and its structural diagram is as follows figure 1 As shown, it includes a data collector 1, a wireless transmitter 2 and an antenna 3 welded on the PCB, the data sending port of the data collector 1 is connected with the data receiving port of the wireless transmitter 2, and the wireless sending The data transmission port of the device 2 is connected with the antenna 3.

[0016] The circuit diagram of data collector 1 is as follows figure 2 As shown, the chip GE1769 is included, and the chip GE1769 is the main data acquisition component to complete the acquisition of temperature, pressure, acceleration and other data. The circuit diagram of the wireless transmitter 2 is as follows image 3 As shown, the chip TX3-ASK is included, and the chip TX3-ASK is the main data transmission component to realize the wireless transmission of data. The data sending pin P11 of the chip GE1769 is c...

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PUM

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Abstract

The invention discloses a tire pressure sensor configured with a helical antenna. The tire pressure sensor comprises a data collector, a wireless transmitter and the antenna. The data collector, the wireless transmitter and the antenna are welded to a PCB; a data transmitting port of the data collector is connected with a data receiving port of the wireless transmitter; a data emission port of the wireless transmitter is connected with the antenna; the antenna is the helical antenna; one end of the helical antenna is welded to the data emission port of the wireless transmitter; the other end of the helical antenna is suspended. The circumference of the helical antenna is the magnitude order of one emission signal wavelength. The helical antenna is the 50M helical antenna. According to the sensor, data collected by the data collector is emitted out through the helical antenna, the transmitting accuracy is improved, and the transmitting distance is increased; Compared with a common PCB-mounted antenna, the occupied space of the helical antenna is small, and the size of the sensor is reduced; the cost is reduced.

Description

technical field [0001] The invention relates to a tire pressure sensor, more specifically, relates to a tire pressure sensor configured with a helical antenna, and belongs to the technical field of TPMS. Background technique [0002] Tire pressure monitoring, also known as TPMS, is a real-time monitoring of the air pressure and temperature of automobile tires, displaying tire pressure and temperature values, allowing car owners to keep track of tire pressure and temperature conditions, timely discovering tire leaks, insufficient air pressure, and excessive air pressure, etc., to avoid A traffic accident caused by a blown tire. The current TPMS sensors are used for real-time automatic monitoring of tire pressure and temperature when the car is stationary or running, and timely alarm for tire high pressure, low pressure, and high temperature, so as to avoid traffic accidents caused by tire failure and ensure driving safety. Most of the currently commonly used tire pressure se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04
Inventor 田海霞
Owner NANJING TOP SUN TECH
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