CN212413063U

CN212413063U - Remote soft starter control system

Info

Publication number: CN212413063U
Application number: CN202021304639.6U
Authority: CN
Inventors: 陈永超; 张帅帅
Original assignee: Shaanxi Yishan Electric Co ltd
Current assignee: Shaanxi Yishan Electric Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-01-26
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to the technical field of communication of the internet of things technology, which realizes a system for remotely controlling a motor soft starter; the system with the remote control starter adopts the technology of communication between the remote controller and the GSM module, and the system integrated with the GSM module can exchange information through short messages or telephones when in communication, and can communicate information in each module through an RS485 connecting line; the utility model discloses by remote controller, GSM SMS platform, soft starter, the motor is constituteed, even operating personnel can keep away from the operation scene, also can operate the motor whether running.

Description

Remote soft starter control system

Technical Field

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

Background

Along with the gradual deepening of urbanization, current industrial equipment also increases gradually, the motor quantity for industrial production is also more and more, the place that uses is also more and the environment of use is also more and more abominable, it is not good to the people's health under this kind of environment for a long time, in order to solve this kind of problem, we manage through the mode that uses network remote control, this system is through the technique of the APP platform that removes and GSM communication, the realization is to the remote management of soft starter, thereby carry out the real-time effective control of motor.

SUMMERY OF THE UTILITY MODEL

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 long-range soft starter control system, include: GSM module, communication module, soft starter module, motor, wherein: the GSM module is integrated on the communication module; the communication module is connected with the soft starter module by RS485 for communication; one end of the motor is connected with the soft starter; the remote controller sends a short message to the remote soft starter control system, the GSM module receives and stores information, the communication module is electrically connected with the soft starter module, and the motor is electrically connected with the soft starter module; the state of a switch between the communication module and the soft starter module is controlled according to the type of the received information, and when the switch between the communication module and the soft starter module is closed, the motor works; when the switch between the communication module and the soft starter module is disconnected, the motor does not work;

the soft starter module includes: the device comprises a driving module, a voltage detection module, a current detection module, a processing module and a trigger pulse forming module; the driving module comprises a thyristor, the output voltage of the thyristor is gradually increased when the motor is started, the motor is gradually accelerated until the thyristor is fully conducted, the thyristor is replaced by a bypass contactor, and the input end of the voltage detection module is connected between a power supply and the three-phase anti-parallel thyristor and is used for detecting a voltage real-time value about to flow into the three-phase anti-parallel thyristor; 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 anti-parallel thyristor and the motor and is used for detecting a current real-time value about to flow into the motor, the output end of the current detection module is electrically connected with the processing module, and the processing module is electrically connected with the trigger pulse forming module;

the remote controller sends information, the GSM module receives the information and transmits the information to the soft starter module, and the soft starter module judges whether to switch on the motor or not according to the content of the information;

the GSM module can be connected to a plurality of said soft starter modules, i.e. a one-to-many master-slave connection is made via said RS485, and one said remote controller can control a plurality of said motors.

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

the utility model discloses with the GSM module integration on communication module, through the operation of remote control end pair GSM module for the motor can carry out remote operation through modes such as SMS, makes operating personnel not use the field operation also can reach the control to the motor operation.

Drawings

Fig. 1 is a flow chart of a remote control soft starter;

FIG. 2 is a schematic block diagram of a drive circuit for a soft starter of a motor;

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

Described in this embodiment is a specific control method in a remote soft starter control system, as shown in fig. 1, a remote soft starter control system includes: GSM module, communication module, soft starter module, motor, wherein: the GSM module is integrated on the communication module; the communication module is connected with the soft starter module through RS485 to carry out communication; one end of the motor is connected with the soft starter; the remote controller sends a short message to the remote soft starter control system, the GSM module receives and stores information, the communication module is electrically connected with the soft starter module, and the motor is electrically connected with the soft starter module; the state of a switch between the communication module and the soft starter module is controlled according to the type of the received information, and when the switch between the communication module and the soft starter module is closed, the motor works; when the switch between the communication module and the soft starter module is disconnected, the motor does not work.

When the remote controller is a remote client capable of sending information, preferably a mobile phone, and when the mobile phone sends a short message to the remote soft starter control system, the GSM module on the communication module receives the information sent by the mobile phone, the information contains the operation to be done on the motor, the GSM module transmits the information to the communication module through RS485, the communication module transmits the information to the soft starter module, and the soft starter controls whether the motor works or not by controlling the on and off of a switch.

Preferably, the remote controller can control a plurality of motors, and the control of the plurality of motors is realized through serial port communication. The serial communication means that an upper computer and a lower computer communicate through a serial port, under the condition that the upper computer is connected with a plurality of lower computers, the upper computer distinguishes each lower computer through the address of each lower computer, general serial communication needs a communication protocol, and the protocol is generally as follows: the communication method comprises the steps that a start character, a lower computer address, a communication command character, a parameter, a check character and an end character are added, a host computer is provided with a plurality of slave computers, the slave computers are always in a monitoring state, the host computer answers the address (name) of the slave computer, and the host computer answers the question by calling the slave computers respectively to ensure the communication. In this embodiment, there are a plurality of systems composed of a communication module, a soft starter module and a motor, called slave systems, and a master system composed of a GSM module, a communication module, a soft starter module and a motor, where the master system is a remote soft starter control system, in the prediction navigation-free soft start control system, the GSM module is integrated on the communication module, the soft starter connected to the motor is connected to the RS485, the RS485 in the system is called a master, the remaining slave systems are connected to the remote soft start control system through the RS485, and each slave system has its own address at the RS 485; the information sent by the remote controller contains an address, a slave system where the address is located is found, the information content is transmitted to the slave system, and then the system and a change switch are closed or disconnected to execute the instruction described in the information.

As further shown in fig. 2, what is specifically described is a specific operation manner of a soft starter in a soft starter module in the remote control system, where the soft starter includes: drive module, voltage detection module, current detection module, processing module and trigger pulse form the module, wherein: the driving module comprises a thyristor, the output voltage of the thyristor is gradually increased when the motor is started, the motor is gradually accelerated until the thyristor is fully conducted, and then the thyristor is replaced by the bypass contactor; the input end of the voltage detection module is connected between a power supply and the three-phase anti-parallel thyristor and is used for detecting a voltage real-time value about to flow into the three-phase anti-parallel thyristor; 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 anti-parallel thyristor and the motor and is used for detecting a current real-time value about to flow into the motor, and the output end of the current detection module is electrically connected with the processing module; the processing module is electrically connected with the trigger pulse forming module.

Preferably, the trigger pulse forming module has 6 trigger pulse signals, and the 6 trigger pulse signals provide pulse signals to the thermal overload protection circuit, the overcurrent protection circuit, the open-phase protection circuit, the three-phase unbalance protection circuit, the overvoltage and undervoltage protection circuit and the overheat protection circuit. The method comprises the following specific steps: the first path of trigger pulse signal is electrically connected with the thermal overload protection circuit, the second path of trigger pulse signal is electrically connected with the overcurrent protection circuit, the third path of trigger pulse signal is electrically connected with the open-phase protection circuit, the fourth path of trigger pulse signal is electrically connected with the three-phase unbalance protection circuit, the fifth path of trigger pulse signal is electrically connected with the overvoltage and undervoltage protection circuit, and the sixth path of trigger pulse signal is electrically connected with the overheat protection circuit.

The utility model discloses in, come one or more remote control systems that include soft starter of remote control through the sending information, the beneficial effects of the utility model are that, the utility model discloses can be at the first time system equipment completion back, whenever the running state of motor need change the time, through remote control end cell-phone come right the motor control, operating personnel need not arrive the scene and debugs through RS485 and control with the computer the motor. The RS485 master-slave connection mode can operate a plurality of motors when only one GSM module is provided, and the remote control of the plurality of motors is realized on the premise of saving resources.

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

1. A remote soft starter control system, comprising: remote controller, GSM module, communication module, soft starter module, motor, wherein:

the GSM module is integrated on the communication module;

the communication module is connected with the soft starter module through RS485 to carry out communication;

one end of the motor is connected with the soft starter;

the remote controller sends a short message to the remote soft starter control system, the GSM module receives and stores information, the communication module is electrically connected with the soft starter module, and the motor is electrically connected with the soft starter module;

the state of a switch between the communication module and the soft starter module is controlled according to the type of the received information, and when the switch between the communication module and the soft starter module is closed, the motor works; when the switch between the communication module and the soft starter module is disconnected, the motor does not work.

2. A remote soft starter control system as claimed in claim 1 wherein the soft starter module comprises: the device comprises a driving module, a voltage detection module, a current detection module, a processing module and a trigger pulse forming module; the driving module comprises a thyristor, the output voltage of the thyristor is gradually increased when the motor is started, the motor is gradually accelerated until the thyristor is fully conducted, the thyristor is replaced by a bypass contactor, and the input end of the voltage detection module is connected between a power supply and the three-phase anti-parallel thyristor and is used for detecting a voltage real-time value about to flow into the three-phase anti-parallel thyristor; 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 anti-parallel thyristor and the motor and used for detecting a current real-time value about to flow into the motor, the output end of the current detection module is electrically connected with the processing module, and the processing module is electrically connected with the trigger pulse forming module.

3. The remote soft starter control system according to claim 1, wherein the GSM module receives the information from the remote controller and transmits the information to the soft starter module, and the soft starter module determines whether to turn on the motor according to the content of the information.

4. A remote soft starter control system as claimed in claim 1 wherein said GSM module is connectable to a plurality of said soft starter modules, i.e. a one-to-many master-slave connection is made via said RS485, and one said remote controller is operable to control a plurality of said motors.