GAS-COMPONENT MEASUREMENT DEVICE

• US 20100187108A1
• Filed: 06/18/2008
• Published: 07/29/2010
• Est. Priority Date: 06/20/2007
• Status: Abandoned Application

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Sato, Hideyuki, Kuroda, Hidehiko, Matsumoto, Toru
• Application Number:
  US12/665,460
• Publication Number:
  US 20100187108A1
• Time in Patent Office: Days
• US Class Current: 204/403.140
• CPC Class Codes: G01N 27/4166 measuring a particular property of an electrolyte

Abstract

A gas-component measurement device includes a housing having an suction port that introduces a measurement-targeted gas, and an exhaust port that discharges the measurement-targeted gas, and a water-absorbing member that is disposed in the housing and impregnated with a solvent that dissolves a gas component, and an electrochemical sensor that detects the gas component trapped by the solvent in the water-absorbing member. The exhaust port and suction port are disposed to oppose each other while sandwiching therebetween the electrochemical sensor.

Claims

1. A gas-component measurement device that measures a gas component in a measurement-targeted gas, comprising:

a housing including a suction port that introduces the measurement-targeted gas, and an exhaust port that discharges the measurement-targeted gas;

a water-absorbing member disposed in said housing and impregnated with a solvent that dissolves the gas component; and

an electrochemical sensor that detects the gas component trapped by said solvent in said water-absorbing member,

wherein said suction port and said exhaust port are disposed to oppose each other while sandwiching therebetween said electrochemical sensor.

2. The gas-component measurement device according to claim 1, wherein said suction port is disposed on a bottom surface of said housing.

3. The gas-component measurement device according to claim 1, wherein said water-absorbing member siphons said solvent from a container that receives said solvent.

4. The gas-component measurement device according to claim 1, wherein a fan is disposed on at least one of said suction port and said exhaust port.

5. The gas-component measurement device according to claim 4, wherein said fan is disposed within said housing.

6. The gas-component measurement device according to claim 1, wherein said electrochemical sensor includes a biosensor.

7. The gas-component measurement device according to claim 6, wherein said biosensor detects a reaction of a biopolymer that has a catalyst function.

8. The gas-component measurement device according to claim 7, wherein said biopolymer includes at least one of enzyme, antibody, and aptamer.

9. The gas-component measurement device according to claim 6, wherein said electrochemical sensor is a current-detection-type sensor that detects the gas component by a current flowing through a detection electrode.

10. The gas-component measurement device according to claim 9, wherein said electrochemical sensor is a rectangular-waveform voltammetry-type sensor.

11. The gas-component measurement device according to claim 9, wherein said electrochemical sensor includes a reference electrode including a silver/silver chloride electrode.

12. The gas-component measurement device according to claim 1, wherein said solvent includes a substance having a pH-buffering function and an electrolyte.

13. The gas-component measurement device according to claim 1, wherein said solvent includes an organic solvent.

14. The gas-component measurement device according to claim 1, wherein said electrochemical sensor measures an explosive component included in the gas.

15. The gas-component measurement device according to claim 14, wherein said explosive component includes organic peroxide.

16. The gas-component measurement device according to claim 14, wherein said explosive component includes a nitro compound.