CN212258819U - Remote control motor soft start cabinet system based on Internet of things - Google Patents

Abstract

The utility model provides a remote control motor soft start cabinet system based on the Internet of things, which comprises a circuit breaker, an alternating current contactor, a remote controller and a soft starter; the soft starter also comprises a main chip, comprising: the trigger pulse generator comprises a driving module, a voltage detection module, a current detection module, a processing module and a trigger pulse forming module, wherein the driving module comprises a thyristor. The operation of the motor is controlled by controlling the on and off of the switch of the remote controller so as to control whether the coil of the alternating current contactor supplies power or not, and the effect of remote control is achieved.

Description

Remote control motor soft start cabinet system based on Internet of things

Technical Field

The utility model relates to a communication technology field of internet of things.

Background

With the gradual deepening of urbanization, the existing industrial equipment is gradually increased, the number of motors for industrial production is increased, the used places are increased, the used environment is also worsened, and the environment is not good for human bodies for a long time.

Disclosure of Invention

The utility model aims to solve the problem that the staff must carry out the operation on the spot to the abominable scene of environment when opening and stopping the motor among the prior art and operate.

Realize the utility model discloses the technical scheme of purpose as follows:

the utility model provides a remote control motor soft start cabinet system based on internet of things, which comprises a remote controller, a circuit breaker of a circuit, a communication module corresponding to the remote controller, a relay connected with the communication module, a soft starter connected with the relay, an AC contactor connected with the soft starter in parallel, and a motor connected with the soft starter; the remote controller sends a signal to the communication module, a switch 7 of the communication module 1 is closed and connected with the relay, a switch 13 of the relay is closed and communicated with the soft starter, and when the soft starter is in a closed circuit state, the alternating current contactor is in short circuit with the soft starter and the motor to form a closed circuit; the communication module is integrated with a voltage reduction module, one end of the voltage reduction module is connected with a 220V power supply, and the other end of the voltage reduction module is connected with the communication module; the soft starter adopts a bypass soft starter, and the soft starter is connected with the alternating current contactor through a bypass circuit; the circuit breaker is always in a connected state in the device, and the remote controller can remotely operate the soft start cabinet in the connected state of the circuit breaker; when the alternating current contactor is in a complete access state, the alternating current contactor is in short circuit with the soft starter and is communicated with the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of based on thing networking remote control motor soft start cabinet system, with communication module, relay, soft starter, ac contactor integrated together, guaranteed can not damaged at these modules to be called the soft start cabinet, and increased communication module, make the operation that can the remote control motor, avoid because operational environment is abominable, the unnecessary loss that causes the field operation personnel.

Drawings

FIG. 1 is a flow chart of the present invention;

fig. 2 is a simple wiring diagram of the remote control soft start cabinet.

Wherein:

1: a communication module; 2: a relay; 3: an AC contactor; 4: a soft starter; 5: a circuit breaker; 6: a motor; 7: a switch; 8: a switch; 9: a switch; 10: a switch; 11: a coil; 12: a coil; 13: a switch; 14: and a start-stop terminal.

Detailed Description

The utility model discloses a do not go under the on-the-spot prerequisite at operating personnel, long-range right the motor carry out on-off operation, avoid because operational environment is abominable, the unnecessary loss that causes field operation personnel. The utility model relates to a system with remote control soft start cabinet utilizes 4G network technology to establish the control system who has the remote operation ability.

The following detailed description of the system of the present invention is made with reference to the accompanying fig. 2:

the embodiment is a specific embodiment in which the remote controller controls the motor 6 to start:

the circuit breaker 5 is powered, the motor 6 is in a standby working state, the circuit breaker 5 generally comprises a contact system, an arc extinguishing system, an operating mechanism, a tripper, a shell and the like, and is a switching device which can close, bear and break current under the condition of a normal loop and close, bear and break current under the condition of an abnormal loop within a specified time, the circuit breaker 5 is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range, the division of the high-voltage and low-voltage boundary lines is fuzzy, and the circuit breaker above 3kV is generally called as a high-voltage electrical appliance.

The remote controller is connected with a soft start cabinet to be controlled; the soft start cabinet is formed by integrating a communication module 1, a relay 2, a soft starter 4 and an alternating current contactor 3 and is called as a soft start cabinet; the soft starter 4 is a device based on a soft start technology, the soft start technology can better protect equipment of the motor 6, such as fault protection, overload protection, voltage protection and the like, can also ensure the stable operation of the motor 6, can better maintain the motor 6 even if any problem occurs in the motor 6, and can also effectively save energy and reduce emission. The utility model discloses a there is main chip in soft starter 4, main chip in including: the device comprises a driving module, a voltage detection module, a current detection module, a processing module, a trigger pulse forming module and five modules. The driving module is provided with a thyristor which is a controllable conductive switch, compared with a diode, the difference is that forward conduction first control pole current control is adopted, the thyristor mainly has the function of realizing controllable rectification in a circuit, two working states, namely conduction and cut-off, can only adjust the magnitude of current by adjusting the conduction point (trigger angle) of the thyristor, the earlier the conduction time of the thyristor is, the higher the power output to a load is, the thyristor is integrated on the soft starter 4, belongs to a semi-control type electronic device, the main utilization is the controllability of the thyristor on and cut-off, when the motor 6 is started, the output voltage of the thyristor is gradually increased, the motor 6 is gradually accelerated, until the thyristor is fully conducted, a bypass contactor is used for replacing the thyristor, and a power supply is connected with a three-phase anti-parallel thyristor, the input end of the voltage detection module is connected between a power supply and the three-phase anti-parallel thyristor and used for detecting a voltage real-time value, and the output end of the voltage detection module is electrically connected with the processing module; the input end of the current detection module is connected between the three-phase-reverse parallel thyristor and the motor 6, and the output end of the current detection module is electrically connected with the processing module; the predictive navigational controller refers to a device capable of remotely controlling the power of the device to be turned on or off through a telephone or a network. The remote controller mainly comprises a chip, and the chip controls the four-way controller. The remote controller comprises a GSM/4G module interface, a communication state indicator light, four independent switch wiring terminals and four indicator lights. The GSM/4G module interface is used for inserting a 4G card for communication, and remotely operating the soft start cabinet according to four controllable platforms, namely an IOS, a webpage and a WeChat applet, so as to carry out zero-crossing on-off to reject sparks; the communication state indicator light is used for displaying the current communication state; the four independent switch wiring terminals are used for controlling four father and son paths, and the four indicating lamps are correspondingly contained, so that whether the load of the switch is running or not can be observed conveniently. The communication module 1 is a connector specially used for the motor 6 to transmit different signals in the field of industrial automation control, and comprises communication networks for converting RS-232 and RS-422/485 signals and the like, so that serial messages of driving, controlling and actuating components in a system architecture are compatible, as is well known, electromagnetic wave signals can be freely transmitted in space, no cable is needed, information such as sound, characters, data, images and the like can be remotely transmitted in an electromagnetic wave mode, a wireless module is needed in the process to help people to receive and send the electromagnetic wave signals and convert the electromagnetic wave signals into directly understandable information, the wireless communication module endows various internet of things terminals with networking transmission capacity, is a node for connecting various intelligent terminals and the internet of things, is a key link for connecting a sensing layer and a network layer, and equipment data generated by all the sensing layer terminals of the internet of things need to be gathered to the network layer through the wireless communication module, and then carry out long-range management and control to equipment through cloud end management platform, simultaneously through data analysis, bring the promotion of managerial efficiency, communication module 1 on integrated step-down module, step-down module one termination 220V power, one end switch-on news module 1. Because communication module belongs to the light current product the utility model discloses the use has the integration of step-down module on with communication module 1 to communication module 1 that will integrate step-down module is called communication module 1, and communication module 1 is integrated in starting the cabinet, makes communication module 1 link to each other with relay 2, and then with the soft start cabinet link to each other.

After the soft start cabinet to be controlled is determined, the remote controller sends a corresponding instruction to the communication module 1 in the determined soft start cabinet;

one end of the communication module 1 is connected with a power supply, one end of the communication module is connected with the relay 2, the other end of the relay 2 is connected between the soft starter 4 and the motor 6, the other end of the soft starter 4 is connected with one end of a circuit breaker 5, the other end of the circuit breaker 5 is connected with the power supply, the alternating current contactor 3 is communicated with the soft starter 4 through a bypass, and the alternating current contactor 3 is connected with the soft starter 4 in parallel;

the instruction sent by the remote controller is received and analyzed by the communication module 1, and the instruction sent by the remote controller acts on the switch 7 of the communication module 1 to close the switch 7, so that the switch 13 of the relay 2 is in a closed state, and the solenoid 11 and the solenoid 12 supply power;

the external control start-stop terminal 14 of the soft starter 4 is electrically connected with the relay 2, then the soft starter 4 is connected, the motor 6 is controlled by an integrated three-phase anti-parallel thyristor connecting circuit in the soft starter 4, the instruction sent by the remote controller is that when the motor 6 is started, the soft starter 4 is used for starting the motor 6, the output voltage of the thyristor is gradually increased, the motor is gradually accelerated until the thyristor is fully conducted, the motor works on the mechanical characteristic of rated voltage, smooth starting is realized, starting current is reduced, and overcurrent tripping is avoided. When the motor 6 reaches the rated revolution, the starting process is finished, the soft starter 4 automatically replaces a thyristor which has finished the task with a bypass contactor to provide rated voltage for the normal operation of the motor 6, when the soft starter 4 is in a complete passage, the alternating current contactor 3 replaces the soft starter 4 to supply power for the motor 6, and the motor 6 is started.

Further, the remote controller controls the motor 6 to stop:

the breaker 5 is powered, and the soft start cabinet is in a state to be operated;

the remote controller is connected with a soft start cabinet to be controlled;

after the soft start cabinet to be controlled is determined, the remote controller sends a corresponding instruction to a control module in the determined soft start cabinet;

the communication module 1 is a weak current product, the communication module 1 used in the utility model integrates a voltage reduction module, and the communication module 1 is directly connected with 220V voltage, so that the soft start cabinet is in a power supply state;

the switch 7 is opened by the instruction sent by the remote controller, then the switch 13 in the relay 2 is opened, the relay 2 is not communicated with the soft start cabinet any more, and the motor 6 stops working.

The utility model discloses a can interconnect between another embodiment is many equipment:

the device A is associated with the device B, and the device B can be controlled by controlling the device A, namely, the mode of circuit connection is adopted, and the operation and control of one device can be carried out on the other device according to specific requirements.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A remote control motor soft start cabinet system based on the Internet of things is characterized by comprising a remote controller, a circuit breaker (5) of a circuit, a communication module (1) corresponding to the remote controller, a relay (2) connected with the communication module (1), a soft starter (4) connected with the relay (2), an alternating current contactor (3) connected with the soft starter (4) in parallel, and a motor (6) connected with the soft starter (4); the remote controller sends a signal to the communication module (1), a switch (7) of the communication module (1) is closed and connected with the relay (2), a switch (13) of the relay (2) is closed and communicated with the soft starter (4), and when the soft starter (4) is in a passage state, the alternating current contactor (3) is in short circuit connection with the soft starter (4) and the motor (6) to form a passage.

2. The remote control motor soft start cabinet system based on the internet of things as claimed in claim 1, wherein a voltage reduction module is integrated on the communication module (1), one end of the voltage reduction module is connected with a 220V power supply, and the other end of the voltage reduction module is connected with the communication module (1).

3. The remote control motor soft start cabinet system based on the internet of things as claimed in claim 1, wherein the soft starter (4) adopts a bypass soft starter (4), and the soft starter (4) is connected with the ac contactor (3) through a bypass circuit.

4. The remote control motor soft start cabinet system based on the internet of things as claimed in claim 1, wherein the circuit breaker (5) is always in a connected state in the device, and the remote controller can remotely operate the soft start cabinet only when the circuit breaker (5) is in the connected state.

5. The remote control motor soft start cabinet system based on the internet of things according to claim 1, wherein when the soft starter (4) is in a complete path, the alternating current contactor (3) is in short circuit with the soft starter (4) and is communicated with the motor (6).

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