GB2585379A9 - Imaginetec - material medium quality assessment - Google Patents

Imaginetec - material medium quality assessment Download PDF

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Publication number
GB2585379A9
GB2585379A9 GB1909730.2A GB201909730A GB2585379A9 GB 2585379 A9 GB2585379 A9 GB 2585379A9 GB 201909730 A GB201909730 A GB 201909730A GB 2585379 A9 GB2585379 A9 GB 2585379A9
Authority
GB
United Kingdom
Prior art keywords
measured
switch
current
mpu
adc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB1909730.2A
Other versions
GB2585379A (en
GB201909730D0 (en
GB2585379B (en
Inventor
Kaloyanov Ivan
Vodev Stoyan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imaginetec Ltd
Original Assignee
Imaginetec Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Imaginetec Ltd filed Critical Imaginetec Ltd
Priority to GB1909730.2A priority Critical patent/GB2585379B/en
Publication of GB201909730D0 publication Critical patent/GB201909730D0/en
Publication of GB2585379A publication Critical patent/GB2585379A/en
Publication of GB2585379A9 publication Critical patent/GB2585379A9/en
Application granted granted Critical
Publication of GB2585379B publication Critical patent/GB2585379B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/045—Circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/028—Circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/228—Circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/001—Measuring real or reactive component; Measuring apparent energy
    • G01R21/003—Measuring reactive component
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

An electrical property of a material 4 is measured using a circuit including a high frequency sinusoidal generator 1, which applies a current to the material via contact electrodes A, B and switch K1 when in position 1. The voltage Vab across the material is measured by a microprocessor unit (MPU) 6 via switch K2 in position 1 and ADC 5. After this measurement is made, relay 3 moves switches K1, K2 to position 2. This disconnects the sinusoidal source 1 from the material. Any equivalent EMF or voltage ELEQ produced by the material is then measured by MPU 6, switch K2 in position 2, and ADC 7. The measurements made may be repeated in multiple time intervals. Electrotechnical parameters of the material which may be calculated include: admittance, conductance, impedance, resistance, capacitance, short circuit current, active power, reactive power, active or reactive energy, or current flow across the terminals a, b in the material. A multi-channel version of the circuit (figure 8) is also disclosed.
GB1909730.2A 2019-07-07 2019-07-07 Method and apparatus for controlling, measuring and assessing the quality of material mediums according to their electrotechnical characteristics Active GB2585379B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1909730.2A GB2585379B (en) 2019-07-07 2019-07-07 Method and apparatus for controlling, measuring and assessing the quality of material mediums according to their electrotechnical characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1909730.2A GB2585379B (en) 2019-07-07 2019-07-07 Method and apparatus for controlling, measuring and assessing the quality of material mediums according to their electrotechnical characteristics

Publications (4)

Publication Number Publication Date
GB201909730D0 GB201909730D0 (en) 2019-08-21
GB2585379A GB2585379A (en) 2021-01-13
GB2585379A9 true GB2585379A9 (en) 2021-01-27
GB2585379B GB2585379B (en) 2021-10-06

Family

ID=67623163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1909730.2A Active GB2585379B (en) 2019-07-07 2019-07-07 Method and apparatus for controlling, measuring and assessing the quality of material mediums according to their electrotechnical characteristics

Country Status (1)

Country Link
GB (1) GB2585379B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992662A (en) * 1974-08-16 1976-11-16 Billy D. Etherton Liquid conductivity measuring device
US4788488A (en) * 1986-10-14 1988-11-29 Drexelbrook Controls, Inc. Continuous condition sensing system

Also Published As

Publication number Publication date
GB2585379A (en) 2021-01-13
GB201909730D0 (en) 2019-08-21
GB2585379B (en) 2021-10-06

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