In-situ analysis method and system

• US 7,752,893 B2
• Filed: 02/23/2007
• Issued: 07/13/2010
• Est. Priority Date: 06/22/2005
• Status: Active Grant

• Current Assignee: Pentair Water Pool And Spa Incorporated (Pentair Plc (Ireland))
• Original Assignee: Hitek Aqua Systems, LLC
• Inventors: Biberger, Maximilian A.
• Primary Examiner(s): Rogers; David A.
• Application Number:
  US11/710,077
• Publication Number:
  US 20070160498A1
• Time in Patent Office: 1,236 Days
• Field of Search: 73/530.1, 73 6141- 6151, 73/616.1, 73/617.1, 449/0, 210 85- 95, 340/539.22, 340/539.24, 340/539.26, 374/156
• US Class Current: 73/53.01
• CPC Class Codes: B63B 2022/006 specially adapted for measuring or watch purposes
• CPC Class Codes: G01N 33/18 Water

Abstract

An automatic system for monitoring chemistry information for a body of water comprises a sensor for determining chemistry information, a microprocessor for processing chemistry information, and a housing coupled to at least one of the sensor and the microprocessor. Preferably the housing is floatable or mountable. The method of providing chemistry information of a body of water comprising the steps of obtaining a sample of the body of water and determining chemistry information.

Claims

1. A mountable automatic system for monitoring chemistry information for a body of water, comprising:

a mountable housing;

a user interface configured to be located at a remote location from the mountable housing;

a sensor coupled to the mountable housing, wherein the sensor is configured to determine chemistry information for the body of water;

a transmitter; and

a control circuit coupled to the mountable housing, the sensor and the transmitter, wherein the control circuit is programmable with at least one acceptable threshold level of chemical composition for the body of water, and the control circuit is configured to process the determined chemistry information and to automatically transmit a wireless communication about the determined chemistry information to the user interface at the remote location via the transmitter,

wherein the user interface is configured to provide at least one instruction to a user at the remote location in response to receiving the wireless communication from the transmitter, the at least one instruction informing the user at the remote location of at least one amount of chemical needed to be added to the body of water in order to bring the chemistry information for the body of water back within the at least one acceptable threshold level, further wherein the system is configured to suggest the at least one acceptable threshold level in response to data entered regarding a volume and a type of the body of water.

2. The mountable automatic system of claim 1, wherein the control circuit compares chemistry information determined by the sensor to the at least one acceptable threshold level of chemical composition.

3. The mountable automatic system of claim 2, wherein the at least one acceptable threshold level represents an acceptable minimum value of chemistry information for the body of the water.

4. The mountable automatic system of claim 2, wherein the at least one acceptable threshold level represents an acceptable maximum value of chemistry information for the body of the water.

5. The mountable automatic system of claim 1, wherein chemistry information monitored by the system comprises one of at least one alkalinity, pH level, temperature, calcium hardness, total hardness, dissolved solids, and a sanitizer of the body of water and a combination of at least two thereof.

6. The mountable automatic system of claim 5, wherein the sanitizer is one of chlorine or bromine.

7. The mountable automatic system of claim 1, wherein the system is configured to monitor chemistry information for the body of water continually while the system is powered on.

8. The mountable automatic system of claim 1, wherein the system further comprises a timer coupled to at least one of the sensor, the control circuit, and the mountable housing.

9. The mountable automatic system of claim 8, wherein the timer is configured to provide a time stamp to the sensor while the sensor determines chemistry information for the body of water.

10. The mountable automatic system of claim 9, wherein the time stamp and chemistry information are transmitted to the control circuit.

11. The mountable automatic system of claim 1, wherein the system further comprises a chemistry display panel coupled to the sensor.

12. The mountable automatic system of claim 11, wherein the sensor is configured to communicate chemistry information to the chemistry display panel during a programmable time interval.

13. The mountable automatic system of claim 11, wherein the chemistry display panel further comprises an indicator configured to indicate a status of the body of water based on chemistry information processed by the control circuit.

14. The mountable automatic system of claim 13, wherein the indicator is one of a green light indicator for a safe status for the body of water, a yellow light indicator for a cautionary status for the body of water, and a red light indicator for an unsafe status for the body of water.

15. The mountable automatic system of claim 13, wherein the indicator is configured to be audible.

16. The mountable automatic system of claim 1, wherein the remote location is one of a personal digital assistant (PDA), a custom sign, a computer, a satellite, a wireless device, a phone, a USB port, a pager, and a device configured to add chemicals to the body of water.

17. The mountable automatic system of claim 1, wherein the sensor is configured to communicate chemistry information to the remote location through at least one of a wireless connection, a cellular connection, a wired connection, an optical connection, an infrared connection, and a custom radio interface connection.

18. The mountable automatic system of claim 1, wherein the system further comprises an antenna coupled to the mountable housing and configured to transmit and receive radio waves.

19. A mountable automatic system for monitoring chemistry information for a body of water and introducing chemicals into the body of water, the system comprising:

a mountable housing configured to be mounted within the body of water;

a user interface configured to be located at a remote location from the mountable housing;

a pump system for collecting a sample of the body of water;

a sensor coupled to the pump system and to the mountable housing, wherein the sensor is disposed within the mountable housing and is configured to determine chemistry information for the body of water based on the sample;

a transmitter;

a control circuit coupled to the sensor and disposed within the mountable housing, wherein the control circuit is configured for processing chemistry information, the control circuit being configured to compare an acceptable programmable threshold of chemistry information to the chemistry information collected from the sample and to report unsafe water conditions when the chemistry information falls outside the acceptable programmable threshold by automatically transmitting a wireless communication about the determined chemistry information to the user interface at the remote location via the transmitter, wherein the user interface is configured to provide at least one instruction to a user at the remote location in response to receiving the wireless communication from the transmitter, the at least one instruction informing the user at the remote location of at least one amount of chemical needed to be added to the body of water in order to bring the chemistry information for the body of water back within the acceptable programmable threshold; and

a chemical storage unit coupled to the pump system and the control circuit and configured to release a chemical into the body of water upon command, wherein the system is configured to give suggested threshold levels of the chemistry information in response to data entered regarding a volume and a type of the body of water.

20. The mountable automatic system of claim 19, wherein the control circuit is configured to signal the chemical storage unit to release the chemical when unsafe water conditions exist.

21. The mountable automatic system of claim 19, wherein the acceptable programmable threshold represents an acceptable minimum value of chemistry information of the body of water.

22. The mountable automatic system of claim 21, wherein unsafe water conditions exist when chemistry information falls below the acceptable programmable threshold of chemistry information for the body of water.

23. The mountable automatic system of claim 19, wherein the acceptable programmable threshold represents an acceptable maximum value of chemistry information of the body of water.

24. The mountable automatic system of claim 23, wherein unsafe water conditions exist when chemistry information rises above the acceptable programmable threshold of chemistry information for the body of water.

25. The mountable automatic system of claim 19, wherein the chemistry information monitored by the system comprises one of alkalinity, pH level, temperature, calcium hardness, total hardness, dissolved solids, and a sanitizer of the body of water and any combination of at least two thereof.

26. The mountable automatic system of claim 19, wherein the system further comprises a chemistry display panel coupled to the sensor, the chemistry display panel further comprising an indicator configured to indicate a status of the body of water based on chemistry information of the sample processed and compared by the control circuit to the acceptable programmable threshold.

27. The mountable automatic system of claim 19, wherein the body of water is at least one of a spa, a pool, a hot tub, a bath, a fountain, a whirlpool bath, and the like.

28. The mountable automatic system of claim 19, wherein the remote location is one of a personal digital assistant (PDA), a custom sign, a computer, a satellite, a wireless device, a phone, a USB port, a pager, and a device configured to add chemicals to the body of water.