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Gas sensor working device and working method thereof

A gas sensor and working device technology, applied in the direction of material resistance, etc., can solve the problems of not effectively extending the service life of the sensor device, unable to meet the requirements of low power consumption, and unable to realize multi-point control, so as to improve the service life and improve the use. Longevity and Deterioration Reduction Effect

Pending Publication Date: 2021-11-02
HEFEI MICRO NANO SENSING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing gas sensor working device cannot meet the requirements of low power consumption work, so that the service life of the sensor device cannot be effectively extended, resulting in the inability to work in complex environments such as mines for a long time, and the inability to realize multi-point deployment and control

Method used

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  • Gas sensor working device and working method thereof
  • Gas sensor working device and working method thereof
  • Gas sensor working device and working method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as figure 1 and figure 2 As shown, a gas sensor working device includes at least three sensors 1, wherein the sensor 1 includes at least one first sensor and at least two second sensors, a box body 2, an outer cover 3, a driving mechanism and a control circuit 5 , the driving mechanism is a motor 4, and the first sensor is used to calibrate the second sensor. The motor 4 and all the sensors 1 are connected with the control circuit 5 .

[0038] The inside of the box body 2 is evenly divided into at least three chambers 201, the inner cover 202 of the box body 2 is above the chamber 201, and at least one sensor 1 is arranged in each chamber 201, and one sensor in each chamber 201 1 is working, and other sensors 1 are in a silent state, that is, a low-frequency high-voltage pulse working state. At present, the second sensor is polluted, and other second sensors can be switched to work. These can be realized through the control circuit 5 . The position above each c...

Embodiment 2

[0046] Such as Figure 5 As shown, based on the working device provided by Embodiment 1 of the present invention, Embodiment 2 of the present invention provides the working method of the working device: when the second through hole 301 of the outer cover 3 is the first through hole 205 corresponding to the current second sensor When the positions overlap, the control circuit 5 controls the current second sensor to perform high-frequency and low-voltage pulse work, and the other second sensors perform low-frequency and high-voltage pulse work; when it is necessary to switch other second sensors to perform high-frequency and low-voltage work, the motor 4 drives the outer cover 3 to rotate At a preset angle, the second through hole 301 of the outer cover 3 coincides with the first through hole 205 facing one of the other second sensors, and the control circuit 5 controls one of the other second sensors to perform high-frequency and low-voltage pulse work. Taking three sensors 1 a...

Embodiment 3

[0051] Embodiment 3 of the present invention provides a specific example of the working method provided by Embodiment 2. The initial state during operation is that the second through hole 301 of the outer cover 3 is aligned with the first through hole 205 where one of the second sensors is located. The second sensor is in the working state and performs low-voltage pulses, the high level is 3.3V, the time is 500ms, the low level is 0, and the period is 5s. At this time, the other second sensor is in a silent state and is in a closed space. It performs a high-voltage pulse every 24 hours, the voltage is 6.4V, the power-on time is 30ms, and 7 days is a working period. The second sensor in the working state works for 7 days. The motor 4 rotates 120 degrees to allow the second sensor in the silent state to work, while the second sensor in the working state before enters the silent state. During the driving process of the motor 4, if the potential change of the second sensor in the ...

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Abstract

The invention discloses a gas sensor working device and a working method thereof. The working device comprises a box body, at least three sensors, a driving mechanism and a control circuit, the working device comprises at least one sensor and at least two second sensors, and the driving mechanism and all the sensors are connected with the control circuit; the interior of the box body is divided into at least three cavities, and at least one sensor is arranged in each cavity; the first sensor is used for calibrating the second sensors; the control circuit controls the driving mechanism to act so that the cavity where the current second sensor is located is communicated with the outside, the cavities where the other second sensors are located are closed, the current second sensor performs high-frequency low-voltage pulse work, and the other second sensors perform low-frequency high-voltage pulse work; the device has the advantages that the service life of the sensors is effectively prolonged, and the device can work under a mine for a long time.

Description

technical field [0001] The present invention relates to the technical field of ambient gas detection devices, and more particularly relates to a gas sensor working device and a working method thereof. Background technique [0002] As the concept of the Internet of Things continues to be deeply rooted in the hearts of the people, the development of sensors and sensing technologies as the sensing end is also changing with each passing day. A gas sensor is a device that can convert information such as gas composition and concentration into information that can be used by humans. Combustible gas sensors such as hydrogen and methane have been widely used in daily life, industrial production, environmental monitoring, etc. In particular, methane gas sensors are widely used in underground mines, household gas leakage, and environmental methane sensing. In the past few decades, as far as coal mine production is concerned, gas poisoning or explosions are common in coal production, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/16
CPCG01N27/16
Inventor 杨正荣钱吴秋菊彭东张伟项小婷高陈张慧慧
Owner HEFEI MICRO NANO SENSING TECH CO LTD
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