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State detection device applied to mobile terminal and mobile terminal

A state detection device and mobile terminal technology, applied in receiver monitoring, branch equipment, electrical components, etc., can solve problems such as battery and circuit damage, and achieve the effect of improving waterproof protection effect and antenna switching effect.

Active Publication Date: 2017-05-24
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In terms of waterproof design, the existing methods are to improve the waterproof performance of the mobile terminal by taking various waterproof measures to ensure that the product is protected from water as much as possible in the case of water, but it is still unavoidable that the mobile terminal will be damaged after entering the water. Damage to batteries and circuits caused by water ingress

Method used

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  • State detection device applied to mobile terminal and mobile terminal
  • State detection device applied to mobile terminal and mobile terminal
  • State detection device applied to mobile terminal and mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment is applied to the detection of the water ingress state of the mobile terminal. like figure 2 The shown mobile terminal includes a metal secondary antenna radiator 12, a primary antenna radiator 14, a primary antenna signal source 13, a metal reference ground 10, a secondary antenna radiation signal coupler 15, a signal receiver 16, and an antenna state detection module 17 and the non-metallic spacer 11 arranged between the metal secondary antenna radiator 12 and the metal reference ground 10; the secondary antenna radiating signal coupler 15 and the primary antenna radiator 14 are placed on the non-metallic spacer 15 and provided with metal One side of reference ground 14.

[0029] The primary antenna signal source 13 is connected to the primary antenna radiator 14 through a power amplifier device and a matching circuit, and the primary antenna radiator 14 is excited to generate self-resonance and spatial radiation in a set frequency band. The metal r...

Embodiment 2

[0036] This embodiment is applied to the detection of the water ingress state of the mobile terminal, and in this embodiment, the primary antenna radiator 14 and the secondary antenna radiating signal coupler 15 are designed in the same body, that is, the two are implemented on the same radiator. In the case of application, the primary antenna radiator 14 can structurally replace the role of the metal reference ground 10 in the first embodiment, that is, the primary antenna radiator 14 and the metal secondary antenna radiator 12 are located on both sides of the non-metallic spacer 11, When water enters the mobile terminal and causes a short circuit between the primary antenna radiator and the metal secondary antenna radiator, the self-resonant frequency of the metal secondary antenna radiator will also be changed.

[0037] Specifically, as Figure 4 In the mobile terminal shown, the primary antenna radiator 14 and the secondary antenna radiating signal coupler 15 are realized ...

Embodiment 3

[0041] This embodiment is applied to the detection of the water ingress state of the mobile terminal. In practical applications, due to the requirements of electrostatic protection, the metal secondary antenna radiator 12 needs to be grounded at certain set points, such as Figure 5 As shown, the metal secondary antenna radiator 12 is connected to the metal reference ground 10 at the set position a, so that the metal secondary antenna radiator is divided into two resonators to form other PIFA or LOOP antenna forms. In this case, It is necessary to add a first primary antenna radiator 141 and a second primary antenna radiator 142 that are excited to generate self-resonance at frequencies five and six at both ends of the ground point a, so as to realize that the two resonators are excited and have separate frequencies. Self-resonant radiation at five and self-resonant radiation at frequency six. Correspondingly, it is also necessary to add the first secondary antenna radiated s...

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Abstract

The invention discloses a state detection device applied to a mobile terminal and a mobile terminal, a technical effect of performing detection on the service state of the mobile terminal is realized, and the mobile terminal is enabled to improve a waterproof protection effect and an antenna switching effect based on a service state detection result when designing functions such as waterproof protection and antenna switching. The state detection device is characterized in that a primary antenna radiator is excited by a primary antenna signal source to realize self resonance and radiation in a set frequency band, and a metal secondary antenna radiator is enabled to be excited by the primary antenna radiator to generate secondary radiation in the set frequency band; a secondary antenna radiation signal coupler acquires an antenna signal radiated by the metal secondary antenna radiator, a signal receiver receives the antenna signal and judges whether the radiation frequency thereof is the radiation frequency of the set frequency band or not; and an antenna state detection module generates a state detection result of the mobile terminal according to a judgment result of the signal receiver. Operations such as waterproof protection and antenna switching can be executed according to state variations after the state of the mobile terminal is acquired.

Description

technical field [0001] The present invention belongs to the technical field of mobile terminals, and in particular, relates to a state detection device for a mobile terminal and a mobile terminal. Background technique [0002] Mobile terminals such as smart phones and PADs, with the development of communication technology and Internet of Things technology, have increasingly obvious requirements for functions such as waterproofing and antenna switching. [0003] In terms of waterproof design, the existing methods are to take various waterproof measures to improve the waterproof performance of the mobile terminal to ensure that the product is protected from water as much as possible in the case of water, but it is still unavoidable that the mobile terminal will be damaged due to Water entry will cause damage to the battery and circuit. [0004] In terms of the antenna switching function, the switching design of multiple antennas has also become a design trend. According to th...

Claims

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Application Information

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IPC IPC(8): H04M1/725H04B17/10H04B17/20
CPCH04B17/10H04B17/20H04M1/72448
Inventor 杜英狄然胡育根
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD
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