RU7096U1 - HYDRAULIC LIFT MANAGEMENT SYSTEM - Google Patents

Abstract

1. The control system of the hydraulic elevator, containing the start block of the reversible engine of the entry door of the cabin, the unit for generating signals for opening / closing the entry door of the cabin connected to the control unit, the start block of the reverse engine of the exit door of the cabin, the unit for generating opening signals / closing the exit door of the cabin, connected to the control unit, a downward signal generating unit connected to the control unit and the electromagnet trigger unit o the lock, which is connected to the electromagnet of the hydraulic lock, a block for fixing calls and orders, connected to a control unit and a post for calls and orders, a block for generating signals for starting a reversible engine of a hydraulic flow regulator, connected to a starting block of a reversing engine of a hydraulic flow regulator, and a control unit connected with position sensors for the shaft of the reversible motor of the hydraulic flow controller, an upward signal generating unit connected to the control unit and bl start up magnet starter, lighting signal generating unit connected to the control unit and lighting starting unit, contacts for the door reverse and the “normal operation” mode switch, contacts placed when the door is fully opened and the door is completely closed, characterized in that the generating unit the signals for opening / closing the entrance door of the cabin and the block for generating the signals for opening / closing the exit door of the cabin are each equipped with three optocouplers, three logical elements AND, four inverters

Description

(. S,.:

HYDRAULIC LIFT MANAGEMENT SYSTEM. A useful model relates to elevator construction. in particular for elevators with automatic doors. A known elevator control system, comprising a door status monitoring relay, an exact stop unit with an executive relay, an address setting unit made on a relay, high and low speed switching units made on a relay, a control unit. elevator doors with executive relays, two time relays, motion relays and exact stop relays, position sensors, call / order post. The elevator control system is a relay-contactor 11. h The disadvantage of this elevator control system is its large size and lack of reliability. A control system for a hydraulic elevator comprising a starting unit for a reversible engine of an exit door of a cabin, a unit for generating signals for opening / closing an input door connected to it, a door for a cabin connected to a control unit, a unit for starting a reversible engine of an exit door of a cabin, a unit for generating opening signals closing the exit door of the cab connected to the control unit, a downward signal generating unit connected to the control unit and the hydromagnet electromagnet start unit Influential 3aiviKa, which is connected to the electromagnet of the hydraulic lock, a unit for fixing calls and orders, connected to a control unit and a post for calls and orders, a signal generation unit for starting a reversible engine of a hydraulic flow controller (RGP), connected to a starting unit for a reversing engine of a hydraulic flow control unit and a control unit, connected MCI B66 Bl / 06 t; With position sensors for the shaft of the RGP reversible engine, an upward signal generating unit connected to the control unit and the magnetic start unit; starter (MP) upward movement, connect with the MP upward movement, the formation unit. lighting signal connected to the control unit and the lighting start unit, reverse contacts. doors and mode switching normal operation, contacts that open when the door is fully opened and completely closed. The hydraulic elevator control system is a relay-contactor 2. The disadvantage of this hydraulic elevator control system is its large size and insufficient reliability. The technical result, which the utility model aims to achieve, is to reduce. dimensions of the hydraulic elevator control system and increase its reliability. To achieve this goal in the control system of a hydraulic elevator containing a starting block of a reversing input engine. cab doors, a unit for generating signals for opening / closing an input door of a cab connected to it, a unit for reversing the start engine of an output door of a cab, connected to it a unit for generating signals for opening / closing an output door of a cab connected to a control unit, a unit for generating downward motion signal connected to the control unit and the start-up block of the electromagnet of the hydraulic lock, which is connected to the electromagnet of the hydraulic lock, a block for fixing calls and orders connected to the control unit and the post of calls and orders, the formation block of the start signals of the reverse engine of the RGP, connected to the start block of the reverse engine of the RGP and the control unit connected to the sensors 1 - -

the position of the shaft of the RGP reversible engine, the upward signal generating unit connected to the control unit and the upstream MP start-up unit connected to the upward movement MP, the lighting signal generating unit connected to the control unit and the lighting start up unit, contacts that open when fully opened and when the door is completely closed, the reverse engine start blocks of the entrance and exit doors of the cabin, as well as the door reverse contacts and the mode switch, normal operation, the reverse engine start block the bottom of the cab door and the starting block of the reversible engine of the output door of the cab are equipped with four key stages, each of which is made on a trian, two resistors, a capacitor and an optotriac, including a diode and a triac, and a block for generating a signal for opening / closing the front door of the cab and a block for generating opening signals / closing the exit door of the cabin is equipped with three optocouplers, three logic circuits AND, four inverters, two delay circuits and two logic circuits OR, and each shaft position sensor is reversible th engine is equipped with RSE oktronom, resistors and transistors.

In addition, the starting block of the reverse engine of the RGP, the block of starting the lighting, starting the MP upward movement and the starting block of the electromagnet of the hydraulic lock are equipped with key stages, each of which is made on a triac, two resistors, a capacitor and an optotriac; including a diode and a triac, and a control unit, a block for generating signals for starting the reversible engine of the RSE, a block for fixing calls and orders, a block for generating a signal

lighting, the upward motion generating unit and the downward motion generating unit are equipped with optocouplers. AND gates, inverters, delay gates, and OR gates.

This allows you to reduce the size and improve the reliability of the hydraulic control system of the elevator.

The technical solution is illustrated by drawings, in which: FIG. 1 is a functional diagram of a hydraulic elevator control system; figure 2 - diagram of the formation of signals for opening / closing the front door of the cabin; .Fig.Z - start block of the reversible engine of the cabin entrance door; 4 is a diagram of a sensor of a position of a shaft of a motor of a hydraulic flow controller.

The hydraulic elevator includes reversible engines 1 and 2, respectively, of the entry and exit doors of the cabin, a reversible engine 3 of the RGP, an engine 4 of an upward drive (FIG. 1). The control system of the hydraulic elevator comprises a block 5 for starting a reversible engine of the entry door of the cabin, block 6 start the reversible engine of the exit door of the cabin, block -7 generating signals for opening / closing the entrance door to the cabin, block 8 for generating signals to open / close the exit door of the cabin, control unit 9, signal generating block 10 starting the reversible engine of the RSE, block And starting the reversible engine of the RSE, block 12 of fixing calls and orders, post 13 calls and orders, block 14 of the formation of the lighting signal, block 15 of the start of lighting, block 16 of the formation of the signal of movement up, block 17 of the formation of the signal of movement down block 18 start MP movement up, connected to the MP 19 upward movement, block 20 start the electromagnet of the hydraulic lock, connected to the electromagnet 2G hydraulic lock, sensors 22, 23, 24 and 25 of the position of the shaft reversible

RGP engine.

The block 5 for starting the reversible engine of the cab entrance door is connected to the reversing engine 1 of the cab entrance door and the unit

7 generating signals for opening / closing the cabin door, which is connected to the control unit 9, while the block 7 for generating signals for opening / closing the cabin door and control unit 9 supplies signals from the cabin location sensors, shaft door contacts and cabin door contacts (on Fig. not shown).

The block 6 for starting the reversible engine of the exit door of the cabin is connected to the reversing engine 2 of the exit door of the cabin and to the block 8 for generating signals for opening / closing the exit door of the cabin, connected to the control unit 9, while on the block 8 of the formation of signals for opening / closing the exit door of the cabin and the control unit 9 provides signals from the sensors of the location of the cabin, the contacts of the doors of the shaft and the contacts of the doors of the cabin.

Block 12 fixation of calls and orders is connected to the control unit 9 and the post 13 calls and orders. .

The block of starting the reversible engine of the RGP is connected to the reversing engine 3 of the RGP, and through the block 10 of the formation of the signal of the starting of the reversing engine of the RGP with the control unit 9, also connected to the sensors 22,23,24 and 25 of the position of the shaft of the reversing engine of the RGP.

Block 18 start MP. Upward movement is connected to the MP 19 upward movement, the contacts 26 of which are installed in the circuit of the engine 4 upward movement, and through the block 16 of the formation of the upward motion signal with the control unit 9.

The block 20 for starting the electromagnet of the hydraulic lock is connected to the electromagnet 21 of the hydraulic lock and through the block 17 for generating an upward motion signal with a control unit 9. , control and block 15 start lighting, which is connected to the lighting fixtures 27 of the cabin. Block 7 generating signals for opening / closing the front door of the cabin (Fig.2) contains the first, second and third optocouplers 28, 29 and 30, the first, second and third logic elements And 31,34 and 38; the first and second logical elements OR 33 and 41; first, second, third and fourth inverters. 32.35, 39 and 40; the first and second delay elements 36.37. As optocouplers 28,29,30 used transistor optocouplers. The first conclusions of the normally open contact 42 of the cab door reverse, contact 43 of the mode switch normal operation and contact 45, which opens when the door is completely closed, are combined and connected to a + 24V power supply. The second output of the normally open (N.C.) door reverse contact 42 is connected to the input of the first optocoupler 28, the second output of contact 44 of the mode switch is normal p1, the bot is connected to the input of the second optocouple 29, and N.C. the contacts 46 of the cab door reverse are connected to the third optocoupler 30. The contact 43 of the mode switch is normal operation and the contact 44, which opens when the door- is fully opened, is connected in series. Contact 45, opening when the door is completely closed, and contact 46 of the door reverse are connected in series. The output of the first optocoupler 28 is connected to the input of the first inverter 32, the output of the second optocoupler 29. is to the second input of the first logical element And 32, and the output of the third optocouple 30 is connected to the second input of the third logical element And 38. The output of the first inverter 32 is connected to the second input of the first logical gate OR 33, the output of the first logical gate And 31 is connected to i the first input of the second logical gate And 34; the output of the third logical element AND 38 is connected to the input of the third inverter 39 and to the second input of the second logical element OR 41. From the outputs of the control unit 9 to the first input of the first logical element OR 33 receives an inverse signal KTZ time of opening the door, and to the third input of the first logical element OR 33 and a door open signal is input to the second delay logic 37. The output of the first logical element OR 33 is connected to the first input of the first logical element And 31. From the outputs of the control unit 9 to the second input of the second logical element And 34 receives an exact stop signal S-K1, to its third input is a motion signal F-K2. The fourth input of the second logic element AND 34 is connected to the input of the first delay element 36. The output of the second logical element And 34 is connected to the input of the second inverter 35. The input of the first delay element 36 is connected to the output of the third inverter 39 and the input of the fourth inverter 40. The output of the second delay element 37 is connected to the first input of the third logical element And 38. The output of the second logical The OR element 41 is connected to the third input of the third logic element. The first input of the second logical element OR 41 receives the call time signal KT1 from the control unit 9, and the second input of the logical element OR 41 receives the inverse signal F-K1 of the intermediate movement. Optocouplers 28,29,30 are used for galvanic isolation. From the outputs of the second 35 and fourth 40 inverters the signals of opening and closing the door to the block 5 start the reversing engine of the entrance door of the cab. Block 8 for generating signals to open / close the output door, cabin doors, control unit 9, block 10 for generating start signals for the reversible engine of the RSE, block 12 for recording calls and orders, block 14 for generating the lighting signal, block 16 for generating: upward movement and block 17 the formation of the downward motion signal is performed similarly to the opening signal generation block 7. . niya / closing a door of a cabin. The block 5 for starting the reversible engine, the entrance door of the cabin (Fig. 3) contains four similar key stages 47 (48,49,50 - here the second, third and fourth stages are shown in parentheses, respectively, and then the elements, respectively). The first key stage 47 (48, 49, 50) contains optotriac 51 (52.53.54), the first resistor 55 (56.57.58), the second resistor 59 (60.61.62), and the capacitor 63 (64, - 65, 66) and triac 67 (68, 69, 70). The first (second, third, fourth) optotriac 51 (52.53.54) contains a diode 71 (72.73.74), a triac 75 (76.77.78) and a control circuit, crossing the zero of the alternating - - voltage (in the fig. shown). The first resistor 55. (56,57,58) is connected between the anode of the triac 75 (76,77,78) included in the optotriac 51 (52,53,54), and the connection of the phase of the AC voltage source with the anode of the triac 67 (68,69 , 70) of the key cascade 47 (48,49,50). The cathode of the triac 75 (76.77.78) included in the optotriac 51 (52.53.54) is connected to the control electrode of the triac 67 (68.69.70) of the key stage 47 (48.49.50). Between the anode and cathode of the triac 67 (68,69,70) is connected a serial circuit from the second resistor 59 (60,61,62) and the capacitor 63 (64,65,66). To the anodes of the diodes 71.73 optotriacs 51.53 of the first 47 and third 49 key stages, a door closing signal is received from the unit 7 for generating signals for opening / closing the door, and to the anodes of the diodes 72.74 optotriacs 52.54 of the second 48, and the fourth 50 key stages door open signal. The cathodes of diodes 71,72,73,74 are connected to a common bus. Anodes of the triacs 67 and 70 of the first 47 and the fourth i

TOGO 50 key stages are combined and connected to the first phase (B) of the AC voltage source 380V and the anodes of the triacs 68 and 69 of the second 48 and third 49 key stages are combined and connected to the second phase (A) of the AC voltage source 3808. The cathodes of the triacs 67 and 68 of the first 47 and the second 48 key stages are combined and connected to the output of the first phase of the reversing engine 1 of the cab entrance door, and the cathodes of the triacs 69 and 70 of the third 49 and fourth 50 key stages are combined and connected to the output of the second phase of this engine. The output of the third phase of this motor is directly connected to the third phase (C) of the 380V AC voltage source.

The reversing engine starting unit 6 of the cab exit door, the RGP reversing engine starting unit 11, the lighting starting unit 15, the MP upward starting unit 18 and the hydraulic lock electromagnet starting unit 20 are made similarly to the starting door reversing engine starting unit 5.

The sensor 22 (23,24 and 25) of the position of the shaft of the reversible motor of the RGP contains (figure 4) slotted octron 79, a resistor 80 and a transistor 81.

The anode of the LED 82 of the slit octron 79 is connected through a resistor 80 to the positive pole of the first power source E /, and its cathode is connected to the negative pole of this source. The collector of the transistor 83 of the slit octron 79 is connected to the collector of the transistor 81 and to the positive pole of the second power source E, The emitter of the transistor 83 of the slit octron 79 is connected to the base of the transistor 81. The emitter of the transistor 81 serves as the output of the sensor 22

position of the shaft of the reverse engine of the RGP.

The door opening signal is generated (see Fig. 2) using the first and second logical elements AND 31, 34, the first and second inverters 32.35 of the first logical elements OR 33 at the output of the second inverter 35, provided that the logical levels of the signal supplied to the first the input of the second logical element from the output of the first logical element And 31 of the exact stop signal S-K1 supplied to the second input of the second logical element And 34, the motion signal F-K2 supplied to the third input of the second logical element And 34, and the inverse signal and closing the door, input to the fourth input of the second AND gate 34 through the first delay element 36. The signal supplied to the first input of the second logical element 34 is formed at the output of the first logical element And 31 under the condition that the logical levels of the signal supplied to the first input of the first logical element And 31 from the output of the first logical element OR 33 and the signal fed to the second INPUT - the first logical element And 31 from the output of the second optocoupler 29. Logical level 1 of the signal supplied to the first input of the first logical element And 31 is formed at the output of the first logical element OR 33 when received and to one of the three inputs of this element of the signal having a level O. The element 36 of the delay of movement in the form of RC-L | epi delays the inverse door closing signal to the fourth input of the second logical element And 34 for a time O, 3 - O, 4 s This is required.

To ensure that the door open signal is generated with a delay from the moment the door close signal disappears, which is necessary for reliable operation of the start-up block 5 of the reversing engine of the entrance door when the start direction is changed.

The door closing signal is generated using the third logical element AND 38, the third and fourth inverters 39.40, the second logical element OR 41 at the output of the fourth inverter 40, provided that the logical levels of the signal supplied through the second delay element 37 to the first input of the second logical element And 38 from the output of the second inverter 35, the signal supplied to the second input of the second logical element And 38 from the output of the third optocoupler 30 and the signal fed to the third input of the second logical element And 38 from the output of the WTO logic element OR 41. A logic level 1 signal is generated at the output of the second logic element. OR 41. when one of the three inputs of this signal element arrives ,. having level O. The second delay element 37, made in the form of an RC circuit; delays for a time of 0.3 -0.4 s the door unlock signal received at the first input of the third logical element And 38.

In the initial state, all key cascades 47.48.49.50 (see Fig. 3) are open and the reversible motor 1 of the cab entrance-door does not rotate. When a door open signal arrives at optotriaki 52.54 of the second 48 and fourth 50 key stages at a point in time at which the instantaneous value of the alternating voltage is close to zero, the optotriaki 52.54 opens. At the same time, using currents whose values are determined by this voltage close to zero and the magnitude of the first resistors 56.58, triacs 68.70 of the second 48 and fourth 50 key stages and engine 1 are started

The entry door of the cab rotates in the direction in which the door opens. When a door closing signal arrives at optotriaki 51 and 53 of the first 47 and third 49 key stages at the time

the time at which the instantaneous value of the alternating voltage is close to zero, these optotriacs open. In this case, triacs 67.69 of the first 47 and third 49 of the key stage are started and the reversing engine 1 rotates in the direction in which the doors are closed. When the door opening and closing signals disappear, the key stages 47, 48, 49, 50 are closed and the reversing motor 1 of the cab entrance door stops.

A series circuit consisting of a second resistor 59 (60.61.62) and a capacitor 63 (64.65.66) is designed to suppress high-voltage pulses that occur when switching a reversing motor 1 of the cab entrance door and, therefore, to protect the triac 67 ( 68.69.70).

Optotriaki 51, 52, 53, 54 and triacs 67,68,69,70 have high values of the critical slew rate of the switching voltage, allow the possibility of reliable switching of AC circuits, the voltage of which significantly exceeds the effective voltage of a three-phase AC network. Using optotriacs 51.52.53.54 controlled by the unlocking and locking signals coming directly from the logic elements or through a current amplifier (not shown in the figure), the reversible engine 1 of the cab entrance door is started at a moment close to the transition alternating voltage of each phase through a zero value, which significantly increases the reliability of the hydraulic elevator control system.

The action of the sensor 22 position of the shaft of the reversible motor of the RSE

(see Fig. 4). based on the screening of the light flux of the LED 82, slotted octron 79 shutter 84, mounted on the shaft of the reversing motor 3 RGP. When the slot of the slit octron 79 is free.

the luminous flux is received by the phototransistor 83, and a current of the emitter of the phototransistor 83 occurs, which is amplified by the transistor 81 to the value required to start the block 11 for starting the reversible motor of the RGP. In this case, the transistor 81 is open and at its emitter is approximately the level of the supply voltage of the second power source E. When the shutter 4 penetrates the slot of the slotted octron 79 during rotation of the shaft of the reversible motor 3 of the hydraulic flow controller 3, the luminous flux is shielded, the transistor 81 is closed, and its potential is set to zero.

The proposed hydraulic elevator control system has small dimensions and great reliability.

1.Aut. testimonial. USSR N 1193094.

2. The passenger elevator with a hydraulic drive of / p 240 kg. Technical description of the electrical equipment of the elevator. Shcherbinsky elevator building plant, 1996 (prototype).

LITERATURE

Claims (2)

1. The control system of the hydraulic elevator, containing the start block of the reversible engine of the entry door of the cabin, the unit for generating signals for opening / closing the entry door of the cabin connected to the control unit, the start block of the reverse engine of the exit door of the cabin, the unit for generating opening signals / closing the exit door of the cabin, connected to the control unit, a downward signal generating unit connected to the control unit and the electromagnet trigger unit o the lock, which is connected to the electromagnet of the hydraulic lock, a block for fixing calls and orders, connected to a control unit and a post for calls and orders, a block for generating signals for starting a reversible engine of a hydraulic flow regulator, connected to a starting block of a reversing engine of a hydraulic flow regulator, and a control unit connected with position sensors for the shaft of the reversible motor of the hydraulic flow controller, an upward signal generating unit connected to the control unit and bl start up magnet starter, lighting signal generating unit connected to the control unit and lighting starting unit, contacts for the door reverse and the “normal operation” mode switch, contacts placed when the door is fully opened and the door is completely closed, characterized in that the generating unit the signals for opening / closing the entrance door of the cabin and the block for generating the signals for opening / closing the exit door of the cabin are each equipped with three optocouplers, three logical elements AND, four inverters tori, two logical elements OR and two delay elements, the output of the first optocoupler connected to the input of the first inverter, the output of the second optocoupler to the second input of the first logical element And, and the output of the third optocouple to the second input of the third logical element And, the output of the first inverter connected to the second input of the first logical element OR, the output of the first logical element AND is connected to the first input of the second logical element AND, the output of the third logic element And is connected to the input of the third the rotor and to the second input of the second logical element OR, the output of the first logical element OR is connected to the first input of the first logical element And, the fourth input of the second logical element And is connected to the input of the first delay element, and its output - to the input of the second inverter, the output of the first delay element connected to the output of the third inverter and the input of the fourth, the output of the second delay element is connected to the first input of the third logical element And, the first and second contacts of the reverser are connected to the input of the first and third optocouplers doors, and to the entrance of the second optocoupler - a contact that opens when the door is fully opened, while the start block of the reverse engine of the front door and the block of start of the reverse engine of the exit door of the cab are each equipped with four key stages, each of which is made on a triac, two resistors, a capacitor and an optotriac, including a diode and a triac, wherein the first resistor is connected between the anode of the triac included in the optotriac and the triac of the key stage, the cathode of the triac included in the optotriac is connected to the control electrode of the key stage cascade, between the anode and the cathode triac of the key stage, a serial circuit from the second resistor and capacitor is connected, the anode of the opto-optic diode of the first and third key stages of the input door reversing engine start unit is connected to the fourth inverter of the input door opening / closing signal generating unit, and the anode of the diode optoria of the first and third key stages of the start-up block of the reversible electric motor of the exit door - with the fourth inverter of the block for generating the opening / closing signals the door, the anode of the optotriac diode of the second and fourth key cascades of the input door reversing engine start block is connected to the second inverter of the input door opening / closing signal generating unit, the anode of the optotriac diode of the second and fourth key stages of the output door reversing engine start block is connected with the second inverter of the unit generating signals for opening / closing the exit door, anodes of the triacs of the first and fourth key stages, which are inputs of the first phase of the variable source voltage, combined, the anodes of the triacs of the second and third key stages, which are the inputs of the second phase of the AC voltage source, are combined, the triacs of the first and second key stages, connected to the output of the first phase of the reversible door open / close motor, are combined, while the second phase of this motor connected to the cathode of the triac of the third and fourth key stages, and the position sensor of the shaft of the reversing motor of the hydraulic flow controller is equipped with a slotted octron, a resistor and a transistor, when In this case, the anode of the slit octron LED is connected through a resistor to the positive pole of the first power source, and its cathode is connected to the negative pole of the source, the collector of the slit octron phototransistor is connected to the collector of the transistor and connected to the positive pole of the second power source, and the emitter of the phototransistor is connected to the base of the transistor and connected to the starting block of the reversible engine of the hydraulic flow controller.  2. The system according to claim 1, characterized in that the starting unit for the reversible engine of the hydraulic flow controller, the starting unit for lighting, the starting unit for the magnetic actuator for moving up and the starting unit for the electromagnet of the hydraulic lock are equipped with key stages, each of which is made of two resistors, a capacitor, a triac and an optotriac, including a diode and a triac, and a control unit, a unit for generating signals for starting the reversible engine of the hydraulic flow controller, a unit for fixing calls and orders, a unit for generating signals The lighting unit, the upward signal generation unit and the downward signal generation unit are equipped with optocouplers, AND logic elements, inverters, delay elements and OR logic elements.