SU706305A1 - Mine hoist automatic warning and safety system - Google Patents
Mine hoist automatic warning and safety systemInfo
- Publication number
- SU706305A1 SU706305A1 SU772553132A SU2553132A SU706305A1 SU 706305 A1 SU706305 A1 SU 706305A1 SU 772553132 A SU772553132 A SU 772553132A SU 2553132 A SU2553132 A SU 2553132A SU 706305 A1 SU706305 A1 SU 706305A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- speed sensor
- protection
- modulator
- antenna
- communication line
- Prior art date
Links
Landscapes
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Description
На поверхности ствола установлена антенна 9, котора кабелем 10 св зана с приемником 11 сигналов исполнительного устройства и через демодул тор 12 с узлом 13 суммировани , при этом с узлом суммировани св зан также датчик 14 скорости вращени органа 15 навивки каната 7.An antenna 9 is mounted on the surface of the trunk, which is connected by cable 10 to the receiver 11 of the actuator signals and summed to the node 13 via the demodulator 12, while the rotational speed sensor 14 of the cable winding member 7 is also connected to the summation node.
Узел суммировани подсоединен к нелинейному элементу 16с зоной чувствительносtif , например полупроводниковому диоду, выход которого через усилитель 17 соединен с блоком 18 защиты.The summation node is connected to a nonlinear element 16c with a sensitive zone, for example, a semiconductor diode, the output of which is connected to the protection unit 18 through an amplifier 17.
Система автоматического контрол и защиты работает следующим образом.The system of automatic control and protection works as follows.
Первый входной сигнал, пропорциональный дейст вительной скорости вращени органа 15 навнвки, поступает от датчика 14 на узел 13 суммировани . дновременно с измерительной обмотки бесконтактного индукционного датчика 4 скорости поступает сигнал, пропорциональный действительной скорости перемещени подъемного сосуда 1, на вход модул тора 5. Промодулированный высокочастотный сигнал от модул тора 5 сигналом от датчика 4 через высокоча(5тотный трансформатор 6, канат 7, ствол 8, антенну 9 и кабель 10 поступает на приемник 11, а затем на демодул тор 12, с Выхода которого подаетс на узел 13 суммировани в качестве второго входного сигнала. .The first input signal, proportional to the actual speed of rotation of the induction organ 15, comes from the sensor 14 to the summation node 13. At the same time, a signal proportional to the actual speed of movement of the lifting vessel 1 is sent from the measuring winding of the contactless induction speed sensor 4 to the input of the modulator 5. The modulated high-frequency signal from the modulator 5 by the signal from sensor 4 is high (5 transformer 6, rope 7, trunk 8, the antenna 9 and the cable 10 are fed to the receiver 11, and then to the demodulator 12, from the Output of which is fed to the summing node 13 as a second input signal.
При равенстве этих сигналов выход узла суммировани равен нулю (они вычитаютс ).When these signals are equal, the output of the summation node is zero (they are subtracted).
Если происходит уменыненйё сигнала, поступающего от датчика 4, tifb сШтйёТствует началу зависани подъемного сосуда 1, На выходе узла суммировани по вл етс разнгжть двух сигналов, котора через нелинейный элемент 16 и усилитель 17 подаетс на блок 18 защиты.If a signal arriving from the sensor 4 is reduced, tifb detects the beginning of the suspension of the lifting vessel 1, At the output of the summation node, two signals appear, which through the nonlinear element 16 and the amplifier 17 are fed to the protection unit 18.
Этим осуществл етс контроль зависани подъемного сосуда 1 в стволе и аварийна This monitors the hoisting of the lifting vessel 1 in the barrel and the emergency
остановка подъемной мащины дл предотвращени напуска каната.stopping the lifting gear to prevent rope entry.
Введение нелинейного элемента 16 обеспечивает защиту системы от ложных срабатываний при по влении сигнала рассогласовани скорости на выходе узла 15 суммировани , обусловленного возможными колебани ми подъемного сосуда вследствие упругих деформаций каната s процессе нормальной работы.The introduction of the nonlinear element 16 protects the system from false alarms when a speed error signal appears at the output of the summation node 15 due to possible fluctuations in the lifting vessel due to elastic deformations of the rope s during normal operation.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772553132A SU706305A1 (en) | 1977-12-12 | 1977-12-12 | Mine hoist automatic warning and safety system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772553132A SU706305A1 (en) | 1977-12-12 | 1977-12-12 | Mine hoist automatic warning and safety system |
Publications (1)
Publication Number | Publication Date |
---|---|
SU706305A1 true SU706305A1 (en) | 1979-12-30 |
Family
ID=20737226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772553132A SU706305A1 (en) | 1977-12-12 | 1977-12-12 | Mine hoist automatic warning and safety system |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU706305A1 (en) |
-
1977
- 1977-12-12 SU SU772553132A patent/SU706305A1/en active
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