CN210244150U

CN210244150U - Quick gate control system

Info

Publication number: CN210244150U
Application number: CN201921613514.9U
Authority: CN
Inventors: Da Jiang; 江达; Dongxing Zan; 昝东兴; Min Luo; 罗敏
Original assignee: Sichuan Elbit Technology Co Ltd
Current assignee: Sichuan Elbit Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-03
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a quick gate control system, include: the device comprises a PLC (programmable logic controller), a motor, a gate load indicating sensor, a gate opening position signal device, a gate water level sensor group, a soft starter, a brake releasing electromagnet and a human-computer interaction device; the PLC is electrically connected with the motor and comprises a detection module, an input module and an output module; the signal output end of the gate load indicating sensor is connected with the first signal input end of the input module; the signal output end of the gate opening position signal device is connected with the second signal input end of the input module; the signal output end of the gate water level sensor group is connected with the third signal input end of the input module; the signal input end of the soft starter is connected with the first signal output end of the output module, and the soft brake releasing electromagnet is fed back through information of each part, so that the gate can be opened and closed quickly, and the safety of the control system is improved greatly.

Description

Quick gate control system

Technical Field

The utility model relates to a gate control field especially relates to a quick gate control system.

Background

The hoisting hoist is one kind of hoist specially for operating fast gate. The quick gate is used for protecting a unit or a steel pipe, is suspended above an orifice at ordinary times, and can quickly cut off water flow when an accident happens to a generator, a water pump or the steel pipe, so that the accident is prevented from being enlarged. The existing gate only carries out video monitoring on the opening degree and the inlet and outlet water levels of the gate, monitoring personnel operate the gate by experience, the accuracy and the reliability are not high, and the local intelligent degree is insufficient (namely the field intelligent degree is insufficient).

SUMMERY OF THE UTILITY MODEL

In view of the above problems of the conventional fast gate control and the defects of the prior art, a high-performance fast gate control system is provided.

The utility model discloses technical scheme as follows:

a rapid gate control system comprising: the device comprises a PLC (programmable logic controller), a motor, a gate load indicating sensor, a gate opening position signal device, a gate water level sensor group, a soft starter, a brake releasing electromagnet and a human-computer interaction device;

the PLC is electrically connected with the motor and comprises a detection module, an input module and an output module;

the signal output end of the gate load indicating sensor is connected with the first signal input end of the input module;

the signal output end of the gate opening position signal device is connected with the second signal input end of the input module;

the gate water level sensor group comprises a gate front water level sensor and a gate rear water level sensor, the gate front water level sensor is arranged on the surface of the front end of the gate, the gate rear water level sensor is arranged on the surface of the rear end of the gate, and the signal output end of the gate water level sensor group is connected with the third signal input end of the input module;

the soft starter signal input part is connected with the soft starter signal output part, the soft starter signal input part is connected with the first signal output part of the output module, and the soft brake electromagnet is adopted to rapidly close the gate after the starter receives a brake falling signal, so that the safety is greatly improved.

Furthermore, a first signal input end of the human-computer interaction device is connected with a second signal output end of the output module, information fed back by each part device can be observed more conveniently through the human-computer interaction device, and the operation of opening or closing the gate can be carried out through the human-computer interaction device.

Further, still include alarm device, alarm device's signal input part with output module's third signal output part is connected, alarm device's signal output part with human-computer interaction device's second signal input part is connected, sends early warning signal after rising to rise the load and reach certain rated value to show through human-computer interaction device, the risk of devices such as gate damage has significantly reduced.

Furthermore, the PLC controller detection module is connected with a terminal processor in a wireless mode, data in the PLC controller can be preset through the terminal processor, and data collected by each part can be compared and reflected quickly.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

1. the method comprises the steps that information is collected through a gate load indicating sensor, a gate opening position signal device and a gate water level sensor group, and the information is rapidly compared through preset data in a PLC detection module, so that accurate water level information can be obtained;

2. the soft starter feeds back to the brake releasing electromagnet, so that the gate can be quickly opened and closed, and the safety of the control system is greatly improved;

3. the information fed back by each part device can be observed more conveniently through the man-machine interaction device, and the operation of opening or closing the gate can be carried out through the man-machine interaction device.

Drawings

Fig. 1 is a structural working schematic diagram of a drainage control system according to an embodiment of the present invention;

description of reference numerals:

1. a gate load indicating sensor; 2. a gate opening position signal device; 3. a water level sensor behind the gate; 4. a water level sensor in front of the gate; 5. a human-computer interaction device; 6. loosening the band-type brake electromagnet; 7. a soft starter; 8. an alarm device; 9. and a terminal processor.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings;

example (b):

as shown in fig. 1, a rapid floodgate control system includes: the device comprises a PLC (programmable logic controller), a motor, a gate load indicating sensor 1, a gate opening position signal device 2, a gate water level sensor group, a soft starter 7, a brake releasing electromagnet 6 and a human-computer interaction device 5; the PLC is electrically connected with the motor, the motor is provided with an overload, short circuit and open-phase protection device, so that an internal chip of the PLC is prevented from being damaged, the service life is prolonged, and the PLC comprises a detection module, an input module and an output module; the detection module is internally provided with contrast data of each part in advance, when the collected data of each part is compared through the data in the detection module, corresponding work reaction can be carried out, the signal output end of the gate load indicating sensor 1 is connected with the first signal input end of the input module, the load sensor is a sensor device for measuring the stress of an object by detecting the load borne by a stressed carrier, and the gate load indicating sensor 1 can convert the pressure transmitted from the carrier into corresponding electric signals so as to achieve the purpose of measurement; the signal output end of the gate opening position signal device 2 is connected with the second signal input end of the input module, the gate opening position signal device 2 usually adopts a gate opening sensor (displacement sensor) to measure, the encoder value is collected by a special measuring and controlling instrument to accurately measure the displacement, thereby achieving the purpose of real-time measurement and control of the gate displacement, the gate water level sensor group comprises a gate front water level sensor 4 and a gate rear water level sensor 3, the gate water level sensor is an instrument which can sense the water temperature and the water level and convert the sensed water temperature and the sensed water level into changed electric signals and is used for detecting the height and difference of the water level inside and outside the gate, when the water level is reduced, the gate can be quickly opened, the gate front water level sensor 4 is arranged on the surface of the front end of the gate, the gate rear water level sensor 3 is arranged on the surface of the rear end, the signal output end of the gate water level sensor group is connected with the third signal input end of the input module; loose band-type brake electromagnet 6 signal input part is connected with soft starter 7 signal output part, the electro-magnet is because of strong electromagnetic force during the circular telegram, the action piece closes by force, produce the function of band-type brake, the outage then loses the electromagnetic force, reply or reset (generally add reset spring), can open or close the gate rapidly after obtaining each part information feedback through setting up loose band-type brake electromagnet 6, greatly increased security and practicality, soft starter 7 signal input part is connected with output module's first signal output part, adopt loose band-type brake electromagnet 6 can close the gate rapidly after the starter receives the signal of falling the brake, greatly increased the security.

In the above embodiment, the electric main circuit adopts a direct start mode, the control logic of the gate is completed by a PLC controller and can be connected with a common LCU through an MB + port, the "open door", "close door" and "stop" control buttons of the gate are arranged on the human-computer interaction device 5, the "remote/local" control switch is arranged on the human-computer interaction device 5, and when the "remote/local" switch is in the "local", the opening and closing operation of the gate can be completed by operating the control buttons on the human-computer interaction device 5.

In one embodiment, as shown in fig. 1, a first signal input end of the human-computer interaction device 5 is connected with a second signal output end of the output module, the human-computer interaction device further comprises an alarm device 8, a signal input end of the alarm device 8 is connected with a third signal output end of the output module, a signal output end of the alarm device 8 is connected with a second signal input end of the human-computer interaction device 5, when the start-up load reaches 90% of the rated value, an early warning signal is sent out, when the start-up load reaches 110% of the rated value, the start-up of the gate is automatically stopped, and an alarm signal is sent out, so that the safety of the gate is improved, and information output by the alarm device 8 can be displayed on the human-computer interaction device 5, so that a worker.

In one embodiment, as shown in fig. 1, the detection module of the PLC controller is wirelessly connected to a terminal processor, and the terminal processor can modify and set the pre-data of the detection module in the PLC controller accordingly, so that the gate can be opened and closed under different environments.

As a preferred embodiment, the opening position of the gate can be preset for the detection module through the terminal processor, and the gate automatically stops when being opened and closed to the preset opening. The upper limit and the lower limit of a lifting mechanism in the control system are controlled by a height preset contact on a gate opening position signal device 2, and when the gate reaches the upper limit position and the lower limit position, the height preset contact (entering a PLC) automatically cuts off a power supply (a main loop) of the lifting mechanism; and the power supply of the motor is cut off in the main loop, and two pairs of mechanical upper limit switches, a pair of fully-opened contacts and a pair of fully-closed contacts are arranged on the fixed winch hoist mechanism. The gate opening position signal device 2 outputs four pairs of contacts: fully open contacts (entering PLC), fully closed contacts (entering PLC), upper level limit (entering PLC), and upper level limit (entering strong current main loop). When the limit switch is actuated, the corresponding circuit is cut off, and the mechanism notifies the operation. When the power is again turned on, the mechanism only goes in the opposite direction.

The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. A rapid gate control system, comprising: the device comprises a PLC (programmable logic controller), a motor, a gate load indicating sensor, a gate opening position signal device, a gate water level sensor group, a soft starter, a brake releasing electromagnet and a human-computer interaction device;

the signal input end of the electromagnet of the release brake is connected with the signal output end of the soft starter, and the signal input end of the soft starter is connected with the first signal output end of the output module.

2. A rapid gate control system according to claim 1, wherein: and a first signal input end of the man-machine interaction device is connected with a second signal output end of the output module.

3. A rapid gate control system according to claim 1, wherein: the human-computer interaction device further comprises an alarm device, wherein a signal input end of the alarm device is connected with a third signal output end of the output module, and a signal output end of the alarm device is connected with a second signal input end of the human-computer interaction device.

4. A rapid gate control system according to claim 1, wherein: the PLC detection module is connected with a terminal processor in a wireless mode.