SU635438A1 - Capacitive measuring arrangement - Google Patents
Capacitive measuring arrangementInfo
- Publication number
- SU635438A1 SU635438A1 SU772502679A SU2502679A SU635438A1 SU 635438 A1 SU635438 A1 SU 635438A1 SU 772502679 A SU772502679 A SU 772502679A SU 2502679 A SU2502679 A SU 2502679A SU 635438 A1 SU635438 A1 SU 635438A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- measuring arrangement
- capacitive measuring
- generator
- frequency
- capacitor
- Prior art date
Links
Landscapes
- Processing Of Solid Wastes (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
Устройство работает следующим образом .The device works as follows.
Конденсатор 2 через диод 4 зар жаетс в течение полупериода приложенного переменного напр жени от генератора 1 эталонной частоты и разр жаетс в последующий полупериод через резистор 5 и нульорган 6.The capacitor 2 through the diode 4 is charged during the half-period of the applied alternating voltage from the generator 1 of the reference frequency and discharged into the subsequent half-period through the resistor 5 and the null-organ 6.
Аналогично происходит зар д-разр д эталонного конденсатора 3, подключенного к генератору 9 регулируемой частоты.Similarly, charge-discharge of the reference capacitor 3 connected to the variable frequency generator 9 occurs.
В зависимости от показани нуль-органа 6 производитс измерение частоты генератора 9 до тех пор, пока разность разр дных токов А/о, протекающих через нульорган 6, не станет равной нулю.Depending on the indication of the zero-organ 6, the frequency of the generator 9 is measured until the difference of the discharge currents A / O flowing through the null-organ 6 becomes zero.
Прибор 10 регистрирует изменение частоты f генератора 9 регулируемой частоты, завис щее от изменени емкости измер емого конденсатора 2.The device 10 registers a change in the frequency f of the generator 9 of an adjustable frequency, depending on the change in the capacitance of the measured capacitor 2.
Обратна св зь может осуществл тьс как вручную, так и автоматически.Feedback can be carried out either manually or automatically.
В устройстве, показанном на фиг. 2, генератор 9 регулируемой частоты подключен через диод 4 к измер емому конденсатору 2. Работа этого устройства не отличаетс от работы устройства, представленного на фиг. 1.In the device shown in FIG. 2, a variable frequency generator 9 is connected via a diode 4 to the measured capacitor 2. The operation of this device does not differ from the operation of the device shown in FIG. one.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772502679A SU635438A1 (en) | 1977-07-05 | 1977-07-05 | Capacitive measuring arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772502679A SU635438A1 (en) | 1977-07-05 | 1977-07-05 | Capacitive measuring arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU635438A1 true SU635438A1 (en) | 1978-11-30 |
Family
ID=20715982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU772502679A SU635438A1 (en) | 1977-07-05 | 1977-07-05 | Capacitive measuring arrangement |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU635438A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2647564C1 (en) * | 2017-01-09 | 2018-03-16 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ставропольский государственный аграрный университет" | Method of measuring electric capacity |
-
1977
- 1977-07-05 SU SU772502679A patent/SU635438A1/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2647564C1 (en) * | 2017-01-09 | 2018-03-16 | федеральное государственное бюджетное образовательное учреждение высшего образования "Ставропольский государственный аграрный университет" | Method of measuring electric capacity |
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