Method and system for determining process parameters
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-025/00
G01N-025/58
G01N-025/56
출원번호
UP-0432296
(2006-05-11)
등록번호
US-7520667
(2009-07-01)
발명자
/ 주소
Påhlsson, Sten
Gunawardena, Ramesh M.
출원인 / 주소
John Bean Technologies AB
대리인 / 주소
Christensen O'Connor Johnson Kindness PLLC
인용정보
피인용 횟수 :
6인용 특허 :
29
초록▼
The present invention relates to a method and a system for determining a set of process parameters of a treatment unit in which unit a product is subjected to a temperature treatment, the method comprising: subjecting a product to an electromagnetic signal before, during and/or after a temperature t
The present invention relates to a method and a system for determining a set of process parameters of a treatment unit in which unit a product is subjected to a temperature treatment, the method comprising: subjecting a product to an electromagnetic signal before, during and/or after a temperature treatment, wherein said electromagnetic signal is adapted to interact with said product dependent upon the dielectric constant distribution of said product, receiving an electromagnetic signal which has interacted with said product, analysing the received electromagnetic signal in comparison with the transmitted electromagnetic signal and thereby determining a response being dependent upon the dielectric constant distribution of said product and based thereupon determine the temperature (distribution) or water content of the product, and analysing said temperature distribution or temperature of the product or products and based thereupon determining a set of process parameters for a temperature treatment in a treatment unit.
대표청구항▼
The invention claimed is: 1. Method of determining a set of process parameters of a treatment unit in which unit a product is subjected to a temperature treatment, the method comprising: providing a product, subjecting said product to a temperature treatment in a treatment unit, subjecting said pro
The invention claimed is: 1. Method of determining a set of process parameters of a treatment unit in which unit a product is subjected to a temperature treatment, the method comprising: providing a product, subjecting said product to a temperature treatment in a treatment unit, subjecting said product to a transmitted electromagnetic signal before, during and/or after said temperature treatment, wherein said transmitted electromagnetic signal is adapted to interact with said product, the product having a dielectric constant distribution and wherein said transmitted electromagnetic signal interacts with said product dependent upon the dielectric constant distribution of said product, subjecting said product to a second signal providing a local change, in time and position, of the dielectric constant distribution of said product, providing an interference between the second signal and the transmitted electromagnetic signal as the transmitted electromagnetic signal interacts with the product being subjected to said local, in time and position, change of the dielectric constant distribution, receiving an electromagnetic signal which has interacted with said product, analysing the received electromagnetic signal in comparison with the transmitted electromagnetic signal to determine a response dependent upon the dielectric constant distribution of said product and based on said response determine the temperature distribution of said product or the temperature in a predetermined location of said product or a water content of the product, and analysing said temperature distribution, temperature or water content of said product or a plurality of said products and based thereupon determining a set of process parameters for a temperature treatment in a treatment unit. 2. Method according to claim 1, further comprising providing said determined process parameters to a treatment unit. 3. Method according to claim 1, further comprising receiving data representing the temperature distribution or temperature of a plurality of products and based on said received data determining said set of process parameters for a temperature treatment in a treatment unit. 4. Method according to claim 3, further comprising receiving data representing the temperature distribution or temperature of a plurality of products treated in a plurality of treatment units and based on said received data determining said set of process parameters for a temperature treatment in a treatment unit. 5. Method according to claim 1, wherein the second signal is a signal providing a, in time and position, local change of the density of said product and locally, in time and position, influencing the dielectric constant distribution. 6. Method according to claim 1, wherein the second signal is an ultrasound signal. 7. Method according to claim 1, wherein the electromagnetic signal is a microwave signal. 8. System for determining a set of process parameters of a temperature treatment unit, the system comprising: a first transmitter adapted to subject a product to a transmitted electromagnetic signal before, during and/or after a temperature treatment of said product, wherein the transmitted electromagnetic signal is adapted to interact with said product, the product having a dielectric constant distribution and wherein said transmitted electromagnetic signal interacts with said product dependent upon the dielectric constant distribution of said product, a second transmitter adapted to subject said product to a second signal providing a local change, in time and position, of the dielectric constant distribution of said product, the second transmitter being adapted to provide an interference between the second signal and the transmitted electromagnetic signal as the transmitted electromagnetic signal interacts with the product being subjected to said local, in time and position, change of the dielectric constant distribution, a receiver adapted to receive an electromagnetic signal which has interacted with said product, a signal analyser adapted to analyse the electromagnetic signal received by the receiver in comparison with the electromagnetic signal transmitted by the transmitter and, by analyzing the electromagnetic signal, determining a response being dependent upon the dielectric constant distribution of said product and, based on said response, determining the temperature distribution of said product or the temperature in a predetermined location of said product or the water content of said product before, during and/or after said temperature treatment, and a temperature analyser adapted to analyse said temperature distribution, temperature or the water content of said product or a plurality of said products and based thereupon determine a set of process parameters for a temperature treatment in a treatment unit. 9. System according to claim 8, further comprising a control unit adapted to provide said determined process parameters to a treatment unit. 10. System according to claim 8, wherein said temperature analyser is adapted to receive data representing said temperature distribution or temperature of a plurality of products and to based upon said received data determine said set of process parameters for a temperature treatment in a treatment unit. 11. System according to claim 10, wherein said temperature analyser is adapted to receive data representing said temperature distribution or temperature of a plurality of products treated in a plurality of treatment units and based thereupon determine said set of process parameters for a temperature treatment in a treatment unit. 12. System according to claim 8, wherein the second transmitter is adapted to subject said product to a second signal providing a, in time and position, local change of the density of said product and locally, in time and position, influencing the dielectric constant distribution. 13. System according to claim 8, wherein the second transmitter is an ultrasound transmitter. 14. System according to claim 8, wherein the first transmitter is a microwave transmitter.
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