CN-224203112-U - Detection equipment for volatile organic gas

Abstract

The utility model discloses a detection device for volatile organic gas, which comprises a shell, wherein a display screen is arranged at the top of the front surface of the shell, a power switch, a detection switch, a fan switch and a keyboard are fixedly arranged at the bottom of the front surface of the shell, a battery mounting groove is formed in the bottom of the back surface of the shell, a rechargeable battery is arranged in the battery mounting groove, a charging connector and a data interface are arranged at the bottom end of the shell, an electrochemical sensor is fixedly arranged at the top end of the shell, and the induction end of the electrochemical sensor is connected with two connectors.

Inventors

• YU MING
• JIANG TAO
• MA GUANGZHEN
• CHANG KEWEI
• LIANG CHAOJIE

Assignees

• 新乡市同远电气有限公司

Dates

Publication Date

20260505

Application Date

20250519

Claims (6)

1. 1. The detection equipment for the volatile organic gas comprises a shell (1) and is characterized in that a display screen (3) is arranged at the top of the front surface of the shell (1), a power switch (8), a detection switch (9), a fan switch (10) and a keyboard (2) are fixedly arranged at the bottom of the front surface of the shell (1), a battery mounting groove (14) is formed in the bottom of the back surface of the shell (1), a rechargeable battery (15) is arranged in the battery mounting groove (14), a charging connector (11) and a data interface (12) are arranged at the bottom end of the shell (1), an electrochemical sensor (22) is fixedly arranged at the top end of the shell (1), two connectors (4) are connected to an induction end of the electrochemical sensor (22), one interface thread of each connector (4) is connected with a pipe joint (5), a hose (6) is fixedly communicated with the pipe joint (5), one end, far away from the hose (6), of the hose (5) is fixedly communicated with an air suction cover (7), a PCB (17) is fixedly arranged in the shell (1), a PCB (20) and a fan (17) is fixedly connected with a chip (19), a control chip (19) is fixedly communicated with the chip (19), one end of the connecting pipe (23) far away from the fan (20) is communicated with the other interface of the two connectors (4).
2. 2. The device for detecting volatile organic gases according to claim 1, wherein the charging connector (11) is electrically connected with a rechargeable battery (15), the rechargeable battery (15) is electrically connected with a control chip (18) through a power switch (8), the control chip (18) is electrically connected with a detection switch (9), a fan switch (10), a keyboard (2), a data interface (12), an electrochemical sensor (22) and a display screen (3), and the control chip (18) is electrically connected with a fan (20) through a clock chip (19).
3. 3. The detection device for volatile organic gas according to claim 1, wherein a mesh enclosure (21) covering an air outlet of the fan (20) is fixedly installed on the top of the back surface of the housing (1).
4. 4. The detecting apparatus for volatile organic gases according to claim 1, wherein a cover plate (16) closing the battery mounting groove (14) is installed at the bottom of the back surface of the housing (1).
5. 5. The device for detecting volatile organic gases according to claim 1, wherein a plurality of evenly distributed anti-slip protrusions (13) are provided on both sides of the housing (1).
6. 6. A detection device for volatile organic gases according to claim 1, characterized in that the sensing end of the electrochemical sensor (22) extends inside the two joints (4).

Description

Detection equipment for volatile organic gas Technical Field The utility model relates to the field of gas detection, in particular to detection equipment for volatile organic gas. Background Volatile organic compounds are organic compounds with saturated vapor pressure of over 133.32Pa at normal temperature and melting point of 50-260 ℃ under natural pressure, or all releasable organic compounds in solid or liquid state at normal temperature and normal pressure, and have complex components, benzene series and nitrogen compounds belong to the series, even benzene series organic compounds containing obvious cancerogenic substances, in order to actively promote the construction and reasonable layout of an environment quality VOCs monitoring management system, the key source of the touch-through volatile organic compounds is to grasp the overall level and the change trend of concentration values of the volatile organic compounds, and the monitoring work of the volatile organic compounds guided by problems is extremely needed, so that the volatile organic compounds are detected by the detection equipment for the volatile organic gases. However, the conventional detection device for volatile organic gas has the disadvantages of low detection efficiency, inability to rapidly and accurately acquire detection results, inability to meet the requirement of timeliness in an actual detection scene, and difficulty in detection operation under the condition of complex detection environment. Disclosure of utility model The present utility model is directed to a detection device for volatile organic gas, so as to solve the above-mentioned problems in the background art. The detection equipment for the volatile organic gas comprises a shell, wherein a display screen is arranged at the top of the front side of the shell, a power switch, a detection switch, a fan switch and a keyboard are fixedly arranged at the bottom of the front side of the shell, a battery mounting groove is formed in the bottom of the back side of the shell, a rechargeable battery is arranged in the battery mounting groove, a charging connector and a data interface are arranged at the bottom end of the shell, an electrochemical sensor is fixedly arranged at the top end of the shell, two connectors are connected to the induction end of the electrochemical sensor, one interface of the two connectors is in threaded connection with a pipe joint, a hose is fixedly communicated with one end of the hose, which is far away from the pipe joint, is fixedly communicated with an air suction cover, a PCB (printed circuit board) and a fan are fixedly arranged in the interior of the shell, a control chip and a clock chip are fixedly communicated with one end of the connecting pipe, which is far away from the fan, is communicated with the other interface of the two connectors, the electrochemical sensor is used for measuring the concentration of VOCs (volatile organic gas) by measuring the electronic signal change between the gas and the electrodes, and the concentration of the VOCs is determined by using a method of measuring the concentration by using a large reactive current. Preferably, the charging connector is electrically connected with the rechargeable battery, the rechargeable battery is electrically connected with the control chip through the power switch, the control chip is electrically connected with the detection switch, the fan switch, the keyboard, the data interface, the electrochemical sensor and the display screen, the control chip is electrically connected with the fan through the clock chip, the charging connector is connected with the charging circuit to charge the rechargeable battery, the rechargeable battery is used as a power source to supply power to the electronic equipment, the power switch is pressed down, the equipment starts to work after the fan switch is pressed down, the control chip controls the fan to work through the clock chip for a set time in advance, the sucked air to be detected is guaranteed to enter the two connectors, the situation that the electrochemical sensor is influenced by the always flowing air is avoided, the control chip senses the volatile organic gas through the electrochemical sensor after the detection switch is pressed down, the detection information is displayed on the display screen, the keyboard inputs a control instruction, and the data transmission is performed through the data interface and the external server. Preferably, a mesh enclosure covering the air outlet of the fan is fixedly arranged at the top of the back of the shell, and the mesh enclosure protects the fan. Preferably, a cover plate for sealing the battery mounting groove is arranged at the bottom of the back of the shell, and the cover plate protects the rechargeable battery in the battery mounting groove. Preferably, a plurality of evenly distributed anti-slip protrusions are arranged on two sides of the shell, and the anti-slip protrusion