Ion concentration measurement system and methods thereof

• US 8,333,876 B2
• Filed: 12/04/2009
• Issued: 12/18/2012
• Est. Priority Date: 09/07/2009
• Status: Expired due to Fees

• Current Assignee: National Yunlin University of Science and Technology
• Original Assignee: National Yunlin University of Science and Technology
• Inventors: Chou, Jung-Chuan, Lee, Chang-Chi
• Primary Examiner(s): Ball, J. Christopher
• Application Number:
  US12/631,764
• Publication Number:
  US 20110056847A1
• Time in Patent Office: 1,110 Days
• Field of Search: 340/573.1, 340/572.1, 204/433, 204/415, 600/300, 600/424
• US Class Current: 204/433
• CPC Class Codes: G01N 27/4165 for pH meters

Abstract

An ion concentration measurement system is provided. The ion concentration measurement system has: at least an end system having a sensing unit for measuring the ion concentration of a test solution to generate at least a sensing signal; a control unit for controlling the acquisition of the sensing signal; a display unit for displaying the sensing signal in real time; and an end wireless transmission interface for transmitting the sensing signal wirelessly.

Claims

1. An ion concentration measurement system, comprising:

at least an end system, comprising;

a sensing unit configured to measure the ion concentration of a test solution to generate at least a sensing signal;

a control unit configured to control the acquisition of the sensing signal by determining whether the sensing signal is stable and storing the sensing signal when the sensing signal is determined as stable;

a display unit configured to display the sensing signal in real time; and

an end wireless transmission interface configured to transmit the sensing signal wirelessly.

2. The ion concentration measurement system as claimed in claim 1, further comprising:

a coordinating system, separated from the end system, configured to further process the sensing signal, comprising;

a coordinating wireless transmission interface configured to receive the sensing signals wirelessly.

3. The ion concentration measurement system as claimed in claim 1, wherein the end system further comprises a serial transmission interface configured to transmit the sensing signal to a computer coupled to the end system.

4. The ion concentration measurement system as claimed in claim 1, further comprises a plurality of end systems configured to respectively measure the ion concentration in different places.

5. The ion concentration measurement system as claimed in claim 1, wherein the control unit is configured to calculate the acidity or basicity of the test solution based on the sensing signal.

6. The ion concentration measurement system as claimed in claim 1, wherein the control unit is configured to store the sensing signal.

7. The ion concentration measurement system as claimed in claim 1, wherein the control unit is configured to calibrate the signal measured by the sensing unit.

8. The ion concentration measurement system as claimed in claim 1, wherein the control unit is configured to determine whether the sensing signal is stable.

9. The ion concentration measurement system as claimed in claim 3, wherein the serial transmission interface is a RS-232 interface.

10. The ion concentration measurement system as claimed in claim 3, wherein the serial transmission interface is an USB interface.

11. The ion concentration measurement system as claimed in claim 1, wherein the display unit is an LCD module.

12. The ion concentration measurement system as claimed in claim 1, wherein the display unit is matrix light emitting diodes.

13. The ion concentration measurement system as claimed in claim 2, wherein the coordinating system further comprises a measurement platform for reading, storing, monitoring, or displaying the sensing signal.

14. The ion concentration measurement system as claimed in claim 1, wherein the control unit further comprises a switch unit configured to turn on or off the end system.

15. The ion concentration measurement system as claimed in claim 13, wherein the ion is hydrogen ion.

16. The ion concentration measurement system as claimed in claim 13, wherein the ion is chlorine ion.

17. An ion concentration measurement method, comprising:

a measurement procedure, comprising;

measuring the ion concentration of a test solution to obtain a sensing signal;

determining whether the sensing signal is stable;

storing the sensing signal when the sensing signal is determined as stable; and

a transmission procedure comprises transmitting the sensing signal to an electronic device wirelessly.

18. The ion concentration measurement method as claimed in claim 17, further comprising a calibration procedure, comprising:

measuring the ion concentration of a plurality of standard solutions to acquire a plurality of calibration signals;

determining whether the calibration signals are stable; and

storing the calibration signals when the calibration signals are determined as stable.

19. The ion concentration measurement method as claimed in claim 17, wherein the transmission procedure further comprises transmitting the sensing signal to the electronic device via a serial transmission interface.

20. The ion concentration measurement method as claimed in claim 17, further comprising a route setting procedure comprising allowing an user to set the route through which the sensing signal is stored and accessed.

21. The ion concentration measurement method as claimed in claim 17, further comprising a display procedure comprising displaying the sensing signal in real time during the measurement procedure.

22. The ion concentration measurement method as claimed in claim 17, wherein the ion concentration of the standard solution is between pH1 and pH11.