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Low-power-consumption laser dust sensor

A dust sensor and low-power technology, applied in the field of low-power laser dust sensors, can solve problems such as troublesome operation and inability to continuously monitor online, and achieve the effects of reducing maintenance costs, ensuring long-distance power supply, and simple cleaning methods.

Pending Publication Date: 2020-01-10
NANJING BESTWAY AUTOMATION SYST
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Problems solved by technology

The principle of the gravimetric method is to filter the dust in the air onto the filter membrane through an aspirating dust sampler, and then use a precision balance to weigh the difference in weight between the clean filter membrane and the dust-containing filter membrane. The weight difference is the inhaled metering volume The dust content in the air can be calculated to obtain the mass concentration in the environment. This method is cumbersome to operate and cannot be continuously monitored online

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  • Low-power-consumption laser dust sensor

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0033] Such as figure 1As shown, the present invention proposes a low-power laser dust sensor, including a main board and a dust detection element 8, the main board is connected to the dust detection element 8 through the 6pin terminal of the dust detection element 8; the main board includes a power module 1, a voltage acquisition Module 2, display module 3, indicator light module 4, infrared remote control module 5, CAN communication module 6, MCU control module 7, button circuit 9, current output module 10, buzzer module 11, reset circuit 12, MCU control module 7 The output ends of the display module 3, the input end of the indicator light module 4, the input end of the current output module ...

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Abstract

The invention discloses a low-power-consumption laser dust sensor. The low-power-consumption laser dust sensor comprises a main board and a dust detection element, and the main board is connected withthe dust detection element; the main board comprises a power supply module, a voltage acquisition module, a display module, an indicating lamp module, an infrared remote control module, a CAN communication module, an MCU control module, a keying circuit, a current output module, a buzzer module and a reset circuit. The output end of the MCU control module is connected with the input end of the display module, the input end of the indicating lamp module, the input end of the current output module and the input end of the buzzer module. The input end of the MCU control module is connected withthe output end of the infrared remote control module, the output end of the keying circuit and the output end of the reset circuit, and the input end and the output end of the MCU control module are respectively connected with the input end and the output end of the CAN communication module and the input end and the output end of the voltage acquisition module. The low-power-consumption laser dustsensor can be used for mines with high dust concentration.

Description

technical field [0001] The invention relates to a low power consumption laser dust sensor, which belongs to the technical field of sensor design. Background technique [0002] At present, coal mine dust sensors are mainly used: (1) filter-membrane dust sampler using the gravimetric principle; (2) dust measuring instrument using the principle of optical scattering; (3) dust measuring instrument using the principle of electrostatic induction. The principle of the gravimetric method is to filter the dust in the air onto the filter membrane through an aspirating dust sampler, and then use a precision balance to weigh the weight difference between the clean filter membrane and the dust-containing filter membrane, and the weight difference is the inhaled metering volume The dust content in the air can be calculated to obtain the mass concentration in the environment. This method is cumbersome to operate and cannot be monitored continuously on-line. Light scattering method: when l...

Claims

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Application Information

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IPC IPC(8): G01N15/06G01N21/01G08C19/00
CPCG01N15/06G08C19/00G01N21/01
Inventor 连振中
Owner NANJING BESTWAY AUTOMATION SYST