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Method and system for triggering keys based on infrared communication

A technology of infrared communication and infrared emission, which is applied in the field of infrared communication, can solve the problems of weak IP protection and breaking the integrity of the water meter shell, and achieve the effects of accurate calculation, improved protection ability, and no mechanical loss

Inactive Publication Date: 2020-05-01
金卡水务科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the protection level of the water meter is required to reach IP68, the mechanical buttons will break the integrity of the water meter shell and form a weak point of IP protection.

Method used

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  • Method and system for triggering keys based on infrared communication
  • Method and system for triggering keys based on infrared communication
  • Method and system for triggering keys based on infrared communication

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Embodiment Construction

[0030] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0031] The basic idea of ​​the embodiment of the present invention is to control the infrared transmitting module to send the button scanning data through the control module, and to perform key operation on the communication port of the infrared transmitting module, so that the infrared receiving module receives the button scanning data sent by the infrared transmitting module, and passes the control module The duration of the key operation is judged according to the received key scan data, and a corresponding control instruction is output according to the time of the key operation to trigger the corresponding function.

[0032] It should be noted that, in this embodiment, a button triggering method based on infrared communication can be applied to an instrument device with an infr...

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Abstract

The invention relates to the field of infrared communication, in particular to a method and system for triggering keys based on infrared communication. The method includes the steps that an infrared transmission module is controlled to send key scanning data through a control module; key operation is carried out through a communication port of the infrared transmission module to enable an infraredreceiving module to receive the key scanning data sent by the infrared transmission module; and the duration of the key operation is determined according to the received key scanning data through thecontrol module, and a corresponding control instruction is output according to the time of the key operation to trigger a corresponding function. The method and system have the following beneficial effects that only the key operation is needed to trigger different functions without the need for mechanical keys or Hall and other devices, the cost is reduced, the key operation has no mechanical loss, the consistency of a device structure is not destroyed, and the protection ability of a product can be improved.

Description

technical field [0001] The invention relates to the field of infrared communication, in particular to a key trigger method and system based on infrared communication. Background technique [0002] With the further deepening of reform and opening up, the development of smart water affairs has been promoted, and smart water meters will gradually replace traditional mechanical water meters, promoting the development of water meters in a safer, more reliable, and more intelligent direction. The main functions of smart water meters are the following aspects, metering, remote communication and local communication. [0003] Local communication generally adopts non-contact infrared communication. In the prior art, the infrared communication is activated by mechanical keys, and the power is turned off when not in use to avoid dark current caused by interference. However, since the protection level of the water meter is required to reach IP68, the mechanical buttons will break the in...

Claims

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Application Information

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IPC IPC(8): G08C23/04
CPCG08C23/04
Inventor 宾曼琳蒋韦胡中卫张文学
Owner 金卡水务科技有限公司
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