IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0742008
(2003-12-19)
|
등록번호 |
US-7409301
(2008-08-05)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Whyte Hirschboeck Dudek SC
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
23 |
초록
▼
A software-based water level monitoring and control system, preferably for use with conventional steam boilers, is disclosed. The system includes software for monitoring and recording system functions, safety features, diagnostic testing histories, and other functions. The water level system is empl
A software-based water level monitoring and control system, preferably for use with conventional steam boilers, is disclosed. The system includes software for monitoring and recording system functions, safety features, diagnostic testing histories, and other functions. The water level system is employed to monitor and/or regulate one or more operating parameters of the boiler, such as water levels within the boiler. In response to the boiler system testing of low-water cut-off, auxillary low-water cut-off, and pressure vessel float operation and functionality, the software builds histories and other data compilations. The extensive electronic information permits a user that accesses the water level control system to, for example, view the data compilations and to monitor the status of the system. In this manner, real-time information, as well as the historical data, are available to accomplish the regulation of key parameters in the boiler.
대표청구항
▼
The invention claimed is: 1. In a system comprising a level sensor assembly, a computer having a memory and a boiler water level control system controller having historical boiler water level control system information, the controller in communication with the level sensor assembly and the computer
The invention claimed is: 1. In a system comprising a level sensor assembly, a computer having a memory and a boiler water level control system controller having historical boiler water level control system information, the controller in communication with the level sensor assembly and the computer, the computer programmed with a program to be stored in the memory for execution by the computer, and a float that is in operational association with the level sensor assembly, a method comprising: providing, upon execution of the program, computerized access to the historical boiler water level control system information from the boiler water level control system controller; and utilizing the historical boiler water level control system information in at least one of testing, over a specified amount of time, and diagnosing at least one boiler water level control system functionality; wherein the at least one boiler water level control system functionality includes a float check that includes monitoring the float to ensure that any movement of the float is sufficient for and within the specified period of time; and wherein the float check is in operable association with a burner, such that the float check is activated upon detecting voltage on a burner status input terminal of the burner. 2. The method of claim 1, wherein a boiler on timer is energized upon detection of the voltage, and the float check is activated upon the boiler on timer timing out. 3. In a system comprising a level sensor assembly, a computer having a memory and a boiler water level control system controller having historical boiler water level control system information, the controller in communication with the level sensor assembly and the computer, the computer programmed with a program to be stored in the memory for execution by the computer, and a float that is in operational association with the level sensor assembly, a method comprising: providing, upon execution of the program, computerized access to the historical boiler water level control system information from the boiler water level control system controller; and utilizing the historical boiler water level control system information in at least one of testing, over a specified amount of time, and diagnosing at least one boiler water level control system functionality; wherein the at least one boiler water level control system functionality includes a float check that includes monitoring the float to ensure that any movement of the float is sufficient for and within the specified period of time; and wherein monitoring the float to ensure any movement of the float is sufficient for and within the specified period of time includes deenergizing a low water cut off (LWCO) relay if a level bounce of the float in a period of at least a plurality of minutes is less than an inch. 4. The method of claim 3, wherein the level bounce of the float in a five minute period is less than 0.05".
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