Control apparatus for fluid disinfection modules and systems

• US 5,368,826 A
• Filed: 12/04/1992
• Issued: 11/29/1994
• Est. Priority Date: 12/04/1992
• Status: Expired due to Term

• Current Assignee: Infilco Degremont Incorporated (Veolia Environnement SA)
• Original Assignee: Infilco Degremont Incorporated (Veolia Environnement SA)
• Inventors: Schuerch, Peter, Weltz, Richard K.
• Primary Examiner(s): Warden, Robert J.
• Assistant Examiner(s): CRAWFORD, LESLIE
• Application Number:
  US07/986,119
• Time in Patent Office: 725 Days
• Field of Search: 422/243, 422/2, 422/3, 422/22, 422/23, 422/24, 422/186.3, 210/748, 210/85, 250/432 R, 250/435, 250/438, 250/436
• US Class Current: 422/243
• CPC Class Codes: A61L 2/10 Ultraviolet radiation
• CPC Class Codes: C02F 1/325 Irradiation devices or lamp constructions
• CPC Class Codes: C02F 2201/3227 Units with two or more lamps
• CPC Class Codes: C02F 2201/326 Lamp control systems

Abstract

An ultraviolet fluid disinfection system including:

one or more fluid flow passageways,

one or more modules located in each passageway, each module having one or more rows of ultraviolet lamps, positioned to irradiate the fluid with ultraviolet,

a lamp control assembly connected to each row of lamps to monitor data from and control operation of the lamps,

a power distributor connected to the lamp control assemblies,

a data interface connected to the lamp control assemblies, and

a data control assemblies connected to the data interface and to the lamp control assemblies to read data from the lamp control assemblies and communicate with the data interface.

Claims

1. An ultraviolet fluid disinfection system comprising:

one or more fluid flow passageways;

one or more immersible modules located in each passageway, each module having one or more ultraviolet producing lamps positioned to irradiate said fluid with ultraviolet;

one or more lamp control assemblies connected to said lamps to monitor data from and control operation of said lamps;

one or more power distributors connected to said lamp control assemblies;

one or more data control assemblies connected to said lamp control assemblies to read data from said lamp control assemblies; and

one or more data interfaces connected to said data control assemblies to communicate with said data control assemblies.

2. The system defined in claim 1 wherein said lamp and data control assemblies are positioned in said modules.

3. The system defined in claim 2 wherein each passageway and the modules located therein connect to one of said power distributors and one of said data interfaces.

4. The system defined in claim 1 wherein said lamp and data control assemblies are integral.

5. The system defined in claim 4 wherein said lamp and data control assemblies are positioned in said modules.

6. The system defined in claim 1 wherein said power distributors and data interfaces are positioned adjacent said passageways.

7. The system defined in claim 1 wherein said interfaces permit entry of commands for and/or queries to said data control assemblies and/or receipt of data or information from said data control assemblies.

8. The system defined in claim 1 wherein said interfaces are capable of receiving commands and/or queries from a remotely located computer or programmable logical controller.

9. The system defined in claim 1 wherein said system is capable of monitoring information or data selected from the group consisting of:

status of UV lamps, number of UV lamps out, UV lamp filament condition, lamp control, automatic fail safe conditions, waste water flow rate past a row of UV lamps, all historic data stored in a data control assembly, individual module identification and ground fault condition for said modules.

10. The system defined in claim 1 wherein said interfaces are capable of displaying information or data selected from the group consisting of:

the number of operating modules in said passageways, the number of operating lamps, the value of UV light intensity in said passageways, failure of UV intensity in said passageways, the number of alarm conditions in the system, the cause of an alarm in the system, the location of an alarm in the system;

waste water flow rate in said passageways, individual lamp operating hours, number of individual lamp off/or cycles, individual lamp hours indicating end of life, individual lamp cycles indicating end of life, logic and control DC power failure, high temperature of lamp control assemblies, hazardous temperature of lamp control assemblies, high temperature of data control assemblies and hazardous temperature of data control assemblies.

11. The system defined in claim 1 further comprising a computer or a programmable logic controller connected to each of said interfaces.

12. The system defined in claim 11 wherein said interfaces are capable of displaying information or data selected from the group consisting of:

number of adjacent failed UV lamps, percentage of failed IV lamps, UV lamp current, average UV current, UV lamp low/high current, failure of UV in the intensity modules, low UV intensity modules, temperature of said lamp control assemblies, temperature of said data control assemblies, module running time and individual module location.

13. The system defined in claim 11 wherein said computer is capable of displaying information or data selected from the group consisting of:

number of adjacent failed UV lamps, percentage of failed UV lamps, UV lamp current, average UV lamp current, UV lamp low/high current, failure of UV in the intensity modules, low UV intensity modules, temperature of said lamp control assemblies, temperature of said data control assemblies, module running time and individual module location.

14. The system defined in claim 11 wherein said system is capable of performing functions selected from the group consisting of monitoring electronic lamp control, automatic controlling of passageway inlet gates, automatic controlling of passageway outlet gates.

15. The system defined in claim 1 further comprising one or more electronic lamp controllers or ballasts connected to said lamps.

16. The system defined in claim 1 wherein each module contains one or more data control assemblies.

17. The system defined in claim 1 wherein each module contains at least one row of lamps.

18. The system defined in claim 17 wherein each row of lamps is connected to one or more lamp control assemblies.

19. An ultraviolet fluid disinfection system comprising:

one or more fluid flow passageways;

one or more immersible modules located in each passageway, each module having one or more rows of ultraviolet lamps, positioned to irradiate the fluid with ultraviolet;

a lamp control assembly connected to each row of said lamps to monitor data from and control operation of said lamps;

a power distributor connected to said lamp control assemblies;

a data control assembly connected to said lamp control assemblies to read data from said lamp control assemblies; and

a data interface connected to said data control assemblies to communicate with said data control assemblies.

20. An ultraviolet producing immersible module for disinfecting fluids passing through a fluid passageway comprising:

one or more lamps capable of producing ultraviolet radiation;

a housing connected to said lamps, said housing capable of receiving power from a power supply for said lamps;

one or more lamp control assemblies positioned in said housing and connected to said lamps to monitor data from said lamps and being capable of controlling operation of said lamps; and

one or more data control assemblies positioned in said housing to read data from said lamp control assembly for storage in a memory, said data control assembly being capable of connection to a remote computer or controller for receiving and transmitting information.

21. The module defined in claim 20 wherein said lamp control and data control assemblies snap or plug into said housing.

22. The module defined in claim 20 wherein said lamp control and data control assemblies are integral.

23. The module defined in claim 20 further comprising one or more electronic lamp controllers or ballasts connected to said lamps.

24. An immersible fluid disinfection module comprising:

at least one lamp capable of producing ultraviolet radiation;

a housing connected to said lamp, said housing capable of receiving power from a power supply for said lamp;

a lamp control assembly positioned in said housing and connected to said lamp to monitor data from and control operation of said lamp, said lamp control assembly including a micro-controller, a memory, a multiplexer and a lamp on/off switch; and

a data control assembly positioned in said housing and connected to said lamp control assembly to read data from said lamp control assembly, said data control assembly including a micro-controller, a memory and a multiplexer, and capable of connection to a remote computer or controller for receiving and transmitting information.

25. The module defined in claim 24 wherein said lamp control assembly further comprises a lamp filament preheat transformer and preheat on/off switch.

26. The module defined in claim 24 wherein said lamp control assembly further comprises means for measuring the temperature of said lamp control assembly.

27. The module defined in claim 24 wherein said lamp control assembly further comprises means for measuring current to said lamp.

28. The module defined in claim 24 wherein said lamp control assembly further comprises means for measuring alternating current voltage in said lamp.

29. The module defined in claim 24 wherein said data control assembly further comprises a battery.

30. The module defined in claim 24 wherein said data control assembly further comprises a connector to receive power from a battery positioned in said housing and a battery positioned remote from said housing.

31. The module defined in claim 24 wherein said data control assembly further comprises means for measuring the temperature of said data control assembly.

32. The module defined in claim 24 wherein said data control assembly further comprises means for measuring current received from a photocell positioned remote from said housing.

33. The module defined in claim 24 wherein said data control assembly further comprises a clock.