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A Bluetooth tire pressure transmitter antenna

A transmitter and antenna technology, applied to antennas, antennas suitable for movable objects, electrical components, etc., can solve the problems of large antenna size and increased cost, and achieve the effect of avoiding the introduction of abnormal conditions

Active Publication Date: 2017-05-10
ZONGMU TECH SHANGHAI CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a Bluetooth tire pressure transmitter antenna, which is used to solve the problems of large size and increased cost of the existing tire pressure transmitter antenna

Method used

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  • A Bluetooth tire pressure transmitter antenna
  • A Bluetooth tire pressure transmitter antenna

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Embodiment

[0029] The present invention also provides a Bluetooth tire pressure transmitter antenna, such as figure 1 As shown, the Bluetooth tire pressure transmitter antenna 100 includes: a button battery positive shrapnel 110 , and an antenna optimization circuit 120 .

[0030] The positive elastic piece 110 of the button battery is used as the antenna carrier of the Bluetooth tire pressure transmitter.

[0031] The antenna optimization circuit 120 is arranged between the button battery positive shrapnel 110 and the chip RF signal input terminal 110 to ensure that the radio frequency signal received through the button battery positive shrapnel is normally transmitted to the chip RF signal input end.

[0032] figure 1 The bluetooth tire pressure transmitter antenna shown is applied to the external tire pressure transmitter, and the specific structure of the antenna optimization circuit can be found in figure 2 , but the scope of protection of the antenna optimization circuit 120 of ...

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Abstract

The invention provides an antenna of a Bluetooth tire pressure transmitter. The antenna of the Bluetooth tire pressure transmitter comprises a button cell positive pole elastic sheet and an antenna optimizing circuit. The button cell positive pole elastic sheet serves as an antenna carrier of the Bluetooth tire pressure transmitter. The antenna optimizing circuit is arranged between the button cell battery positive pole elastic sheet and the radio-frequency signal input end of a chip and used for guaranteeing that radio-frequency signals received by the button cell positive pole elastic sheet can be normally transmitted to the radio-frequency signal input end of the chip. According to the antenna, an existing structure on the tire pressure transmitter is used as the working carrier of the Bluetooth antenna, meanwhile, the optimizing circuit is added on a circuit, therefore, on the condition that the antenna cost of the Bluetooth tire pressure transmitter is not increased, a Bluetooth communication link is realized in an optimal mode, and meanwhile, possible abnormal conditions can be well prevented from being introduced.

Description

technical field [0001] The invention belongs to the technical field of electronic circuits, and relates to a tire pressure transmitter antenna, in particular to a Bluetooth tire pressure transmitter antenna. Background technique [0002] The tire pressure monitoring system (TPMS) is an early warning system that can automatically detect the tire pressure and temperature of the car, and give an alarm to the abnormal situation of the tire. TPMS systems can be divided into two types: indirect and direct. The indirect type is to compare the speed difference between the wheels through the wheel speed sensor of the automobile ABS system, so as to achieve the purpose of monitoring tire pressure. The direct type uses the pressure sensor installed in each tire to directly measure the air pressure of the tire, and transmits it to the receiver installed on the driving platform through wireless modulation. At present, the direct TPMS transmitter module mostly adopts the following two s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/32H01Q23/00
Inventor 王绍峰
Owner ZONGMU TECH SHANGHAI CO LTD
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