阅读说明：本技术 电机由连续运行改为间歇运行的方法 (Method for changing continuous operation of motor into intermittent operation ) 是由 杜怀建 白英合 于 2021-09-02 设计创作，主要内容包括：本发明提供电机由连续运行改为间歇运行的方法,涉及刮板机控制设备领域。该电机由连续运行改为间歇运行系统,包括电气电路模块、接触器模块、电机模块和定时开关控制模块,所述定时开关控制模块用于控制所述接触器进行开关,所述接触器用于控制电机模块的开关,所述定时开关模块用于计时和检测所述电机模块是否正常运行；所述定时开关模块包括计时器、单片微处理器和采集模块。通过安装定时开关控制模块并使其连接接触器,定时开关控制模块可安装在配电室内的防爆接线盒内,联锁信号短接,确定电机每隔2小时运行5分钟,解决了刮板机长期运行浪费电能同时减少电机寿命的问题。(The invention provides a method for changing continuous operation of a motor into intermittent operation, and relates to the field of scraper control equipment. The motor is changed from continuous operation to intermittent operation, and comprises an electric circuit module, a contactor module, a motor module and a timing switch control module, wherein the timing switch control module is used for controlling the contactor to be switched on and off, the contactor is used for controlling the switching of the motor module, and the timing switch module is used for timing and detecting whether the motor module normally operates or not; the timing switch module comprises a timer, a single chip microprocessor and an acquisition module. By installing the timing switch control module and connecting the timing switch control module with the contactor, the timing switch control module can be installed in an explosion-proof junction box in a distribution room, signals are in short circuit in an interlocking mode, the motor is determined to run for 5 minutes every 2 hours, and the problem that the service life of the motor is shortened while the electric energy is wasted due to long-term running of the scraper conveyor is solved.)

1. The motor changes continuous operation into intermittent operation system, including electric circuit module, contactor module, motor module and time switch control module, its characterized in that: the timing switch control module is used for controlling the contactor to be switched on and off, the contactor is used for controlling the switch of the motor module, and the timing switch module is used for timing and detecting whether the motor module normally operates or not;

the timing switch module comprises a timer, a single-chip microprocessor and a collection module, wherein the timer adjusts the running time and the running interval time of the motor module through the single-chip microprocessor, and the collection module is used for collecting signals of whether the motor module runs normally and sending the signals to the single-chip microprocessor.

2. The motor of claim 1 changed from a continuous operation to an intermittent operation system, wherein: the motor module includes a ground signal unit a2 and an interlock signal unit b2, and the contactor includes a ground signal unit a1 and an interlock signal unit b 1.

3. The motor of claim 2 changed from a continuous operation to an intermittent operation system, wherein: the ground signal cell a2 and the interlock signal cell b2 are shorted.

4. The motor of claim 1 changed from a continuous operation to an intermittent operation system, wherein: the electric circuit module is used for providing power for the whole system, and is connected with the motor module after being connected with the contactor through a lead.

5. The motor of claim 1 changed from a continuous operation to an intermittent operation system, wherein: the single-chip microprocessor is in communication connection with the contactor through one of a 432 bus, a 485 bus and a 422 bus.

6. The motor of claim 1 changed from a continuous operation to an intermittent operation system, wherein: the single chip microprocessor is in communication connection with the timer through a 1553 bus.

7. A method of changing a continuous operation of an electric machine to an intermittent operation system according to claim 1, wherein: the method comprises the following steps:

s1, a timing switch control module is installed and connected with a contactor, the contactor is connected with a motor module of the scraper conveyor, the timing switch control module is installed in an explosion-proof junction box in a distribution room, and the grounding signal unit a2 and the interlocking signal unit b2 are in short circuit;

s2, setting the on-off time of the contactor through a timer, determining the on-off time of the contactor, and controlling the running and stalling time of the motor module by the contactor;

and S3, setting the motor module to run for 5 minutes every 2 hours.

Technical Field

The invention relates to the field of scraper control equipment, in particular to a method for changing continuous operation into intermittent operation of a motor.

Background

The scraper machine is a continuous transportation device which is arranged in a closed rectangular section shell and conveys bulk materials by means of a moving scraper chain; the scraper chain is completely buried in the materials when the materials are conveyed, so the scraper chain is called a scraper machine, and the scraper machine has the advantages of simple structure, good sealing property, convenience in installation and maintenance and flexible process arrangement; the conveying device can not only convey horizontally, but also convey obliquely or vertically; can be used by a single machine or by a plurality of machines; the multi-point feeding and multi-point discharging can be realized, and the shell is closed, so that the working environment of workers can be obviously improved and the environmental pollution can be prevented and controlled when large, toxic, explosive and high-temperature materials are conveyed; the scraper machine mainly comprises the following parts: a driving device: comprises a motor, a speed reducer, a transmission chain wheel and the like; a conveying device: comprises a driving chain wheel, a driven chain wheel, a scraper chain and the like; a housing.

Chinese patent publication No. CN202935901U proposes a scraper conveyor, which comprises a nose part, a tail part, and a chute between the nose part and the tail part for conveying coal or gangue, wherein a motor is arranged in the nose part, an electric cabinet is arranged outside the nose part, the motor is connected with one end of the electric cabinet, a pressure sensor is arranged on the inner surface of the lower part of the scraper conveyor, the pressure sensor is connected with the electric cabinet through a wire, the pressure sensor converts a pressure signal into an electric signal, the electric signal is transmitted to the electric cabinet of the scraper conveyor, when the pressure is small, the current transmitted by the electric cabinet to the scraper conveyor is small, and the speed of the scraper conveyor is slow; when the pressure is high, the electric current transmitted by the electric control box to the scraper conveyor is high, the speed of the scraper conveyor is high, so that the speed of the scraper conveyor can be effectively adjusted, and the electric energy is effectively utilized. In the iron works, the motor of the scraper conveyor runs for 24 hours and is used for transporting materials, but because the material quantity in the sealed scale is not large, the scraper conveyor runs once at intervals for a period of time, the material quantity in the sealed scale can be emptied, the blockage cannot be caused, and therefore the problems that the motor runs for a long time and wastes electric energy and the service life of the motor is shortened exist.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a method for changing continuous operation into intermittent operation of a motor, and solves the problems that the electric energy is wasted when a scraper machine operates for a long time and the service life of the motor is shortened.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the motor is changed into an intermittent operation system from continuous operation, and the intermittent operation system comprises an electric circuit module, a contactor module, a motor module and a timing switch control module, wherein the timing switch control module is used for controlling the contactor to be switched on and off, the contactor is used for controlling the switching of the motor module, and the timing switch module is used for timing and detecting whether the motor module normally operates or not;

the timing switch module comprises a timer, a single-chip microprocessor and a collection module, wherein the timer adjusts the running time and the running interval time of the motor module through the single-chip microprocessor, and the collection module is used for collecting signals of whether the motor module runs normally and sending the signals to the single-chip microprocessor.

Preferably, the motor module includes a ground signal unit a2 and an interlock signal unit b2, and the contactor includes a ground signal unit a1 and an interlock signal unit b 1.

Preferably, the ground signal unit a2 and the interlock signal unit b2 are shorted.

Preferably, the electric circuit module is used for providing power for the whole system, and the electric circuit module is connected with the motor module after being connected with the contactor through a lead.

Preferably, the single-chip microprocessor is communicatively connected with the contactor through one of a 432 bus, a 485 bus and a 422 bus.

Preferably, the single-chip microprocessor is in communication connection with the timer through a 1553 bus.

Preferably, the method for changing the continuous operation of the motor into the intermittent operation system comprises the following steps:

s1, a timing switch control module is installed and connected with a contactor, the contactor is connected with a motor module of the scraper conveyor, the timing switch control module is installed in an explosion-proof junction box in a distribution room, and the grounding signal unit a2 and the interlocking signal unit b2 are in short circuit;

s2, setting the on-off time of the contactor through a timer, determining the on-off time of the contactor, and controlling the running and stalling time of the motor module by the contactor;

and S3, setting the motor module to run for 5 minutes every 2 hours.

In electrical engineering, a contactor can be used for a device which can rapidly cut off an alternating current and direct current main loop and can frequently turn on and off a high-current control (up to 800A) circuit, so that the contactor is often used as a control object of a motor, the contactor not only can turn on and off the circuit, but also has a low-voltage release protection function, the control capacity of the contactor is large, the contactor is suitable for frequent operation and remote control, the contactor is one of important elements in an automatic control system, and the working principle of the contactor is as follows: when the coil of the contactor is electrified, the coil current can generate a magnetic field, the generated magnetic field enables the static iron core to generate electromagnetic attraction to attract the movable iron core and drive the alternating current contactor to act, the normally closed contact is disconnected, the normally open contact is closed, the normally closed contact and the normally open contact are linked, when the coil is powered off, the electromagnetic attraction disappears, the armature is released under the action of the release spring, the contact is restored, the normally open contact is disconnected, and the normally closed contact is closed; through a plurality of tests, the existing equipment runs stably, meets the process requirements, saves electric energy and prolongs the service life of the motor.

(III) advantageous effects

The invention provides a method for changing continuous operation of a motor into intermittent operation. The method has the following beneficial effects:

according to the invention, the timing switch control module is installed and connected with the contactor, the contactor is connected with the motor module of the scraper, the timing switch control module can be installed in an explosion-proof junction box in a distribution room to prevent the timing switch from being burnt out to cause other electric parts in the cabinet to be burnt out, the grounding signal unit a2 and the interlocking signal unit b2 are in short circuit, so that the operation of the motor is automatically detected, the contactor is controlled by controlling the timing switch control module, the motor is determined to operate for 5 minutes every 2 hours, the intermittent operation of the motor is realized, the existing equipment operates stably through multiple tests, the process requirements are met, the electric energy is saved, the service life of the motor is prolonged, and the problems that the electric energy is wasted when the scraper operates for a long time and the service life of the motor is shortened are solved.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a block diagram of the motor module of the present invention;

FIG. 3 is a block diagram of the contactor of the present invention;

FIG. 4 is a schematic view of the contactor of the present invention connected to a motor module;

FIG. 5 is a flow chart of the method of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-4, an embodiment of the present invention provides a system for changing a continuous operation of a motor into an intermittent operation, including an electrical circuit module, a contactor module, a motor module, and a timing switch control module, where the timing switch control module is used to control a contactor to switch, the contactor is used to control the switching of the motor module, and the timing switch module is used to time the motor and detect whether the motor module is operating normally; the motor module is used for enabling the scraper conveyor to transport materials in the seal scale, repeatedly testing the materials with production personnel, determining the interval starting and running time of the motor of the scraper conveyor, and setting the motor to run for 5 minutes every 2 hours through the timing switch module, so that the electric energy waste is greatly reduced, and the service life of the motor is prolonged;

the timing switch module comprises a timer, a single-chip microprocessor and a collection module, the timer adjusts the running time and the running interval time of the motor module through the single-chip microprocessor, the motor can be set to run for 5 minutes every 2 hours, and the collection module is used for collecting signals of whether the motor module runs normally and sending the signals to the single-chip microprocessor, so that whether the motor runs is judged conveniently, and the intermittent running of the motor is realized.

The motor module comprises a grounding signal unit a2 and an interlocking signal unit b2, the contactor comprises a grounding signal unit a1 and an interlocking signal unit b1, when the motor is operated, the grounding signal unit a2 is connected with the grounding signal unit a1, the interlocking signal unit b2 is connected with the interlocking signal unit b1, when the motor is stopped, the grounding signal unit a2 is disconnected with the grounding signal unit a1, and the interlocking signal unit b2 is disconnected with the interlocking signal unit b 1.

The grounding signal unit a2 and the interlocking signal unit b2 are in short circuit, so that the operation of the motor can be automatically detected conveniently.

The electric circuit module is used for providing electric power for the whole system, is connected with the motor module after being connected with the contactor through a lead, can normally supply power for the motor, and is convenient to control the motor switch through the contactor.

The single chip microprocessor is in communication connection with the contactor through one of a 432 bus, a 485 bus and a 422 bus.

The single chip microprocessor is in communication connection with the timer through a 1553 bus.

Example two:

as shown in fig. 5, an embodiment of the present invention provides a method for changing a continuous operation of a motor into an intermittent operation system, which includes the following steps:

s1, a timing switch control module is installed and connected with a contactor, the contactor is connected with a motor module of the scraper conveyor, the timing switch control module can be installed in an explosion-proof junction box in a distribution room to prevent the timing switch from being burnt out to cause other electric devices in the cabinet to be burnt out, a grounding signal unit a2 and an interlocking signal unit b2 are in short circuit, so that the motor operation can be automatically detected conveniently, and the contactor is controlled by controlling the timing switch control module to realize the intermittent operation of the motor;

s2, setting the on-off time of the contactor through a timer of the timing switch control module, determining the on-off time of the contactor, and further controlling the running and stalling time of the motor module by the contactor;

and S3, after repeated tests with a manufacturer, determining that the motor module runs for 5 minutes every 2 hours.

Through a plurality of tests, the existing equipment runs stably, meets the process requirements, saves electric energy and prolongs the service life of the motor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.