CN208654593U - Motor soft starter control system based on low-power consumption wide area network - Google Patents

Abstract

It include motor the utility model relates to a kind of motor soft starter control system based on low-power consumption wide area network; motor soft starter and monitoring cloud platform; the motor soft starter and monitoring cloud platform pass through wireless network connection; motor soft starter includes NB-IoT communication module, acquisition module, protective module, integrated controller, monitor controller, trigger module, high-frequency constant current source, power device and human-computer interaction module, can be realized the remote maintenance to motor soft starter using the technical program.

Description

Motor soft starter control system based on low-power consumption wide area network

Technical field

The utility model relates to a kind of motor soft starter, in particular to soft of a kind of motor based on low-power consumption wide area network Dynamic device control system.

Background technique

Motor soft starter is a kind of to integrate electric machine soft starting, soft stop, light-load energy saving and multi-protective function Novel motor control assembly.It is soft to open device using three-phase anti-parallel thyristor as pressure regulator, accessed power supply and motor stator Between.This circuit such as three-phase thyristor bridge rectification circuit.When starting motor using soft starter, the output voltage of thyristor by Cumulative to add, motor ramps up, and until thyristor is connected entirely, motor works in the mechanical property of voltage rating, realizes smooth It starts, reduces starting current, avoid starting overcurrent tripping.When motor reaches rated revolution, starting process terminates, soft starter The thyristor of task is completed from employing bypass contactor and replacing, runs well for motor and volume voltage is provided, to reduce thyristor Thermal losses, extend the service life of soft starter, improve its working efficiency, and power grid is made to avoid harmonic pollution.

Existing motor soft starter is mainly safeguarded by way of local maintenance after breaking down, and is often delayed Many times seriously affect the production of enterprise.Have by way of NFC connection in the prior art using intelligent terminal to motor Soft starter is safeguarded, or is safeguarded using NFV management module by local network transport data, but there are works by NFC Make apart from short, energy consumption is high, it is poor to carry out transmission data by NFV management module and local area network there are safeties, and time delay is higher to ask Topic.And motor soft starter is more demanding to time delay, it is now desired to which one kind being capable of safe and effective, low time delay remote management and control The control system of motor soft starter.

Utility model content

In view of the above technical problems, the utility model provides a kind of motor soft starter control based on low-power consumption wide area network System.

In order to solve the above technical problems, technical solution adopted in the utility model is, one kind being based on low-power consumption wide area network Motor soft starter control system, which is characterized in that system includes motor, motor soft starter and monitoring cloud platform, described Motor soft starter and monitoring cloud platform pass through wireless network connection；

Motor soft starter includes NB-IoT communication module, acquisition module, protective module, integrated controller, monitoring control Device, trigger module, high-frequency constant current source, power device and human-computer interaction module, wherein the integrated controller respectively with it is described NB-IoT communication module, human-computer interaction module, monitor controller are connected with the protective module, described in the acquisition module connection Protective module, the trigger module connect the monitor controller and the power device, described in the high-frequency constant current source connection Trigger module, the power device connect motor, and the power device includes multiple thyristors.

Further, the NB-IoT communication module is also connected with the first mobile device.

Further, the monitoring cloud platform also passes through network connection monitoring computer or the second mobile device, the net Network includes cable network, wireless network.

Further, described the first mobile device, the second mobile device include mobile phone, laptop.

Further, the wireless network is low-power consumption wide area network LPWAN.

The utility model due to using the technology described above, the technical effect reached are as follows:

1. can be remote maintenance or local maintenance according to the severity flexible choice of failure；

2. use NB-IoT technology, be capable of safety, low-power consumption, low time delay transmitting control data；

3. preferably the state of motor soft starter can be managed by the unified management of monitoring cloud platform, it can To be safeguarded in time, guarantees to run well, avoid the loss of enterprise.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawing:

Fig. 1 is the shell of motor soft starter；

Fig. 2 is the front cover of motor soft starter in the prior art；

Fig. 3 is the structure chart of trigger module and power device in the prior art；

Fig. 4 is the front cover of the utility model motor soft starter；

Fig. 5 is the overall structure diagram of the utility model；

Fig. 6 is the structure chart of the utility model electric machine soft starting.

Specific embodiment

Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, belongs to the protection scope of the utility model.

As shown in Figure 1, the structure of motor soft starter is cabinet, the front cover of cabinet is also referred to as control room, the prior art In front cover as shown in Fig. 2, integrated controller 24, detection controller 25 and high-frequency constant current source 27 are installed the front cover, wherein people Machine interactive module 29 is touch tablet, is arranged on the panel of integrated controller 24.The structure of trigger module 26 and power device 28 As shown in figure 3, being mounted on the inside of cabinet.

As shown in figure 4, present embodiment improves in the prior art, NB-IoT communication module 21 is increased.Technology Improved system diagram as shown in figure 5, a kind of motor soft starter control system based on low-power consumption wide area network includes motor 1, Motor soft starter 2 and monitoring cloud platform 3, motor soft starter is connect with monitoring cloud platform by wireless network 4, wherein wirelessly Network is low-power consumption wide area network LPWAN.

The internal structure chart of motor soft starter in present embodiment as shown in fig. 6, include NB-IoT communication module 21, Acquisition module 22, protective module 23, integrated controller 24, monitor controller 25, trigger module 26, high-frequency constant current source 27, power Device 28 and human-computer interaction module 29, wherein the integrated controller 24 respectively with the NB-IoT communication module 21, man-machine Interactive module 29, monitor controller 25 and the protective module 23 connect, and the acquisition module 22 connects the protective module 23, The trigger module 26 connects the monitor controller 25 and the power device 28, and the high-frequency constant current source 27 connects the touching Module 26 is sent out, the power device 28 connects motor 1, and power device 28 includes multiple thyristors, usually by multiple groups thyristor string It constitutes.

In the present embodiment, NB-IoT communication module 21 is for sending and receiving data；Acquisition module 22 is for acquiring The working order of motor acquires the information such as electric current, the temperature of motor；Protective module 23 be used for when motor overheating, overcurrent, overload, Corresponding defencive function is provided when phase shortage；Integrated controller 24 is for carrying out drive control, when receiving motor alarm, to acquisition mould Block 22, protective module 23 send instruction, receive fault message and defencive function information generates control information and is sent to monitoring cloud Platform 3；Monitor controller 25 is used to monitor the operating condition of motor when there are the failures such as overheat, overcurrent, overload, phase shortage, to Integrated controller 24 is alarmed, and is also used to periodically acquire the voltage letter of multiple thyristors in power device 28 by trigger module 26 Number, integrated controller 24, which is transferred signals to, by NB-IoT communication module 21 is sent to monitoring cloud platform；Trigger module 26 is used The voltage signal of multiple thyristors in acquisition power device 28；High-frequency constant current source 27 is for powering；Power device 28 is for controlling The starting voltage of motor processed, electric current, power device 28 is made of 3 groups of thyristor strings in present embodiment, every group of thyristor string packet Include 3 thyristors；Human-computer interaction module 29 is for being safeguarded and being arranged to motor soft starter 2.Protective module 23 can be BHQ comprehensive protection device, the KSD9700 series protector of commercial type.

In the present embodiment, as shown in figure 5, NB-IoT communication module can also connect the first mobile device 6, work as needs Carrying out can have maintenance personnel to be directly connected to motor soft starter 2 using mobile phone or laptop when local maintenance ties up Shield.

In the present embodiment, monitoring cloud platform can also monitor computer 5 by cable network or wireless network connection Or second mobile device 7, maintenance personnel carry out remote maintenance by using monitoring computer or mobile device.When because parameter is set Improper caused failure is set, the mode for being adapted for use with line maintenance carries out remote maintenance.

Above embodiment is intended to illustrate the utility model and can realize or use for professional and technical personnel in the field, right Above embodiment, which is modified, will be readily apparent to those skilled in the art, therefore the utility model includes But it is not limited to above embodiment, it is any to meet the claims or specification description, meet and principles disclosed herein With novelty, the method for inventive features, technique, product, each fall within the protection scope of the utility model.

Claims (5)

1. a kind of motor soft starter control system based on low-power consumption wide area network, which is characterized in that system includes motor (1), Motor soft starter (2) and monitoring cloud platform (3), the motor soft starter (2) and monitoring cloud platform (3) pass through wireless network (4) it connects；

Motor soft starter (2) includes NB-IoT communication module (21), acquisition module (22), protective module (23), comprehensively control Device (24), monitor controller (25), trigger module (26), high-frequency constant current source (27), power device (28) and human-computer interaction mould Block (29), wherein the integrated controller (24) respectively with the NB-IoT communication module (21), human-computer interaction module (29), Monitor controller (25) and the protective module (23) connection, the acquisition module (22) connect the protective module (23), institute It states trigger module (26) and connects the monitor controller (25) and the power device (28), high-frequency constant current source (27) connection The trigger module (26), the power device (28) connect motor (1), and the power device (28) includes multiple thyristors.

2. motor soft starter control system as described in claim 1, which is characterized in that the NB-IoT communication module (21) It is also connected with the first mobile device (6).

3. motor soft starter control system as claimed in claim 2, which is characterized in that the monitoring cloud platform (3) is also logical It crosses network connection monitoring computer (5) or the second mobile device (7), the network includes cable network, wireless network.

4. motor soft starter control system as claimed in claim 3, which is characterized in that the first mobile device (6), Two mobile devices (7) include mobile phone, laptop.

5. the motor soft starter control system as described in claim 1-4 is any, which is characterized in that the wireless network (4) For low-power consumption wide area network LPWAN.