CN205484618U

CN205484618U - Energy -saving converter on -line monitoring device

Info

Publication number: CN205484618U
Application number: CN201620269032.6U
Authority: CN
Inventors: 李玲玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-05
Filing date: 2016-04-05
Publication date: 2016-08-17
Anticipated expiration: 2026-04-05

Abstract

The utility model discloses an energy -saving converter on -line monitoring device, including the converter, a voltage sensor, in the current sensor, a weighing sensor and a temperature sensor, the signal acquisition module, signal isolation sending module, the microprocesso, the fault locating module, storage module and wireless sending module, a voltage sensor, in the current sensor, the converter is connected respectively to temperature sensor one end, the signal acquisition module is connected respectively to the other end, the signal acquisition module is passed through signal isolation sending module and is connected microprocessor, microprocessor connects storage module respectively, the fault locating module, microprocessor passes through wireless sending module bond to user monitor terminal, the utility model discloses the structure principle is simple, and anti -interference ability is strong, can realize can carrying out quick intelligence location to the converter trouble simultaneously by online real -time supervision to the converter, has improved maintenance efficiency.

Description

A kind of energy-saving type frequency conversion device on-Line Monitor Device

Technical field

This utility model relates to converter field, is specially a kind of energy-saving type frequency conversion device on-Line Monitor Device.

Background technology

At present, continuous along with modern power electronics technology, microelectric technique, photoelectric technology and new material Application, the development of converter is also maked rapid progress, and not only can be equal to mutually with DC speed regulation technology in control accuracy U.S., and also have in volume, energy consumption, weight and greatly reduce, anti-interference and environmental suitability is the most significantly Improve.

Owing to frequency control has the advantages such as speed adjustable range is wide, adjusting speed accuracy is high, dynamic response is good, permitted Needing in the application that precise speed controls, converter is playing lifting process quality and production efficiency more Remarkable effect, along with the deep people of China market economy is developed, lower consumption and put forward the referred critical role of effect, Device energy conservation transformation is imperative, and therefore frequency control obtains in the industrial production and is increasingly widely applied And obtain preferable effect, but owing to converter often breaks down, at present frequency converter failure is examined Break and be substantially all the experience being dependent on technical staff, it is impossible to converter running status is carried out real-time online prison Survey, trouble point can not be quickly found out when breaking down simultaneously, cause consuming a large amount of human and material resources, Have a strong impact on production.

Utility model content

The purpose of this utility model is to provide a kind of energy-saving type frequency conversion device on-Line Monitor Device, on solving State the problem proposed in background technology.

For achieving the above object, this utility model provides following technical scheme: a kind of energy-saving type frequency conversion device exists Line monitoring device, including converter, voltage sensor, current sensor, temperature sensor, signals collecting Module, signal isolation sending module, microprocessor, fault location module, memory module and wireless Module, described voltage sensor, described current sensor, described temperature sensor one end is sent to connect respectively Converter, the other end connects signal acquisition module respectively, and described signal acquisition module is sent out by signal isolation Sending module to connect microprocessor, described microprocessor connects memory module, fault location module, institute respectively State microprocessor and connect user monitoring terminal by wireless sending module.

Preferably, described fault location module includes the event of main control module, fault collection indicator, converter Barrier detection module, alarm module, GPRS locating module, described main control module connects fault collection respectively and refers to Show device, frequency converter failure detection module, alarm module, GPRS locating module, described GPRS locating module Connect host computer.

Preferably, described frequency converter failure detection module includes that induction module, amplification module and shaping are integrated Module, described induction module is sequentially connected with amplification module, shaping integration module.

Preferably, described signal isolation sending module includes audion A, audion B, amplifier A, puts The colelctor electrode of the base stage connecting triode B of big device B, audion A, the grounded emitter of audion B, base Pole connects resistance A and the node of resistance B, resistance B ground connection, the collection of resistance A one end connecting triode A Electrode, the emitter stage of audion A connects resistance D one end, resistance E one end, resistance F one end respectively, The resistance D other end connecting triode B colelctor electrode and resistance C one end respectively, resistance C other end ground connection, The resistance E other end connects resistance G one end, and the resistance G other end accesses amplifier A negative input, electricity The resistance F other end accesses amplifier A electrode input end, and resistance I is connected on amplifier A electrode input end and defeated Going out between end, resistance H mono-end is connected on amplifier A negative input, other end ground connection, resistance J, resistance K, resistance L, resistance M, amplifier B, electric capacity composition level shifting circuit.

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

(1) this utility model structural principle is simple, and strong anti-interference performance, by sending out Monitoring Data in real time Deliver to user's monitoring terminal, it is possible to converter is realized on-line real time monitoring.

(2) the fault location module intelligence degree that this utility model uses is high, can determine the very first time Fault converter particular location, in order to notify that repair personnel arrives abort situation and launches repairing, decrease work Make the workload of personnel, improve overhaul efficiency.

(3) the signal isolation sending module that this utility model uses can improve signal in transmitting procedure Capacity of resisting disturbance, add signal transmission stability, improve signal real-time Transmission efficiency.

Accompanying drawing explanation

Fig. 1 is control principle block diagram of the present utility model；

Fig. 2 is fault location module principle block diagram of the present utility model；

Fig. 3 is that signal of the present utility model isolates sending module schematic diagram.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this The scope of utility model protection.

Referring to Fig. 1-2, this utility model provides a kind of technical scheme: a kind of energy-saving type frequency conversion device is supervised online Survey device, adopt including converter 1, voltage sensor 2, current sensor 3, temperature sensor 4, signal Collection module 5, signal isolation sending module 6, microprocessor 7, fault location module 8, memory module 9 And wireless sending module 10, described voltage sensor 2, described current sensor 3, described temperature sensing Device 4 one end connects converter 1 respectively, and the other end connects signal acquisition module 5, described signals collecting respectively Module 5 connects microprocessor 7 by signal isolation sending module 6, and described microprocessor 7 connects respectively to be deposited Storage module 9, fault location module 8, described microprocessor 7 connects user by wireless sending module 10 Monitor terminal 11, user monitoring terminal 11 can the running status of real time on-line monitoring converter.

In the present embodiment, fault location module 8 includes main control module 12, fault collection indicator 13, becomes Frequently device fault detection module 14, alarm module 15, GPRS locating module 16, described main control module 12 points Not Lian Jie fault collection indicator 13, frequency converter failure detection module 14, alarm module 15, GPRS fixed Position module 16, described GPRS locating module 16 connects host computer 17, frequency converter failure detection module 14 Including induction module 18, amplification module 19 and shaping integration module 20, described induction module 18 connects successively Connect amplification module 19, shaping integration module 20.Fault collection indicator 13 carries the acquisition function of data, Can improve sampling precision, when certain converter breaks down, main control module 12 controls GPRS location Module 16 transmits address signal to host computer 17, and meanwhile, main control module 12 controls alarm module 15 Go out instruction of reporting to the police, to determine the particular location of fault converter.The fault location mould that this utility model uses Block intelligence degree is high, can determine fault converter particular location the very first time, in order to notice repairing people Member arrives abort situation and launches repairing, decreases the workload of staff, improves overhaul efficiency.

As it is shown on figure 3, in the present embodiment, signal isolation sending module 6 includes audion A 1b, three poles Pipe B 2b, amplifier A 1c, amplifier B 2c, the base stage connecting triode B 2b's of audion A 1b Colelctor electrode, the grounded emitter of audion B 2b, base stage connects resistance A 1a and the node of resistance B 2a, Resistance B 2a ground connection, the colelctor electrode of resistance A 1a one end connecting triode A 1b, audion A 1b's Emitter stage connects resistance D 4a one end, resistance E 5a one end, resistance F 6a one end, resistance D 4a respectively The other end connecting triode B 2b colelctor electrode and resistance C 3a one end respectively, resistance C 3a other end ground connection, The resistance E 5a other end connects resistance G 7a one end, and the resistance G 7a other end accesses amplifier A 1c and bears Pole input, the resistance F 6a other end accesses amplifier A 1c electrode input end, and resistance I 9a is connected on to be put Big between device A 1c electrode input end and outfan, it is defeated that resistance H 8a mono-end is connected on amplifier A 1c negative pole Enter end, other end ground connection, resistance J 10a, resistance K 11a, resistance L 12a, resistance M 13a, put Big device B 2c, electric capacity 1d form level shifting circuit, the signal isolation sending module that this utility model uses, Signal capacity of resisting disturbance in transmitting procedure can be improved, add the stability of signal transmission, improve Real-time Transmission efficiency.

Embodiment the most of the present utility model, for the ordinary skill people of this area For Yuan, it is possible to understand that can be real to these in the case of without departing from principle of the present utility model and spirit Executing example to carry out multiple change, revise, replace and modification, scope of the present utility model is by claims And equivalent limits.

Claims

1. an energy-saving type frequency conversion device on-Line Monitor Device, including converter, voltage sensor, current sense Device, temperature sensor, signal acquisition module, signal isolation sending module, microprocessor, fault location Module, memory module and wireless sending module, it is characterised in that: described voltage sensor, described electricity Flow sensor, described temperature sensor one end connect converter respectively, and the other end connects signals collecting respectively Module, described signal acquisition module connects microprocessor, described micro-process by signal isolation sending module Device connects memory module, fault location module respectively, and described microprocessor is connected by wireless sending module User monitoring terminal.

A kind of energy-saving type frequency conversion device on-Line Monitor Device the most according to claim 1, it is characterised in that: Described fault location module include main control module, fault collection indicator, frequency converter failure detection module, Alarm module, GPRS locating module, described main control module connects fault collection indicator, converter respectively Fault detection module, alarm module, GPRS locating module, described GPRS locating module connects host computer.

A kind of energy-saving type frequency conversion device on-Line Monitor Device the most according to claim 2, it is characterised in that: Described frequency converter failure detection module includes induction module, amplification module and shaping integration module, described sense Module is answered to be sequentially connected with amplification module, shaping integration module.

A kind of energy-saving type frequency conversion device on-Line Monitor Device the most according to claim 1, it is characterised in that: Described signal isolation sending module includes audion A, audion B, amplifier A, amplifier B, three poles The colelctor electrode of the base stage connecting triode B of pipe A, the grounded emitter of audion B, base stage connects resistance A With the node of resistance B, resistance B ground connection, the colelctor electrode of resistance A one end connecting triode A, audion A Emitter stage connect resistance D one end, resistance E one end, resistance F one end respectively, the resistance D other end divides Other connecting triode B colelctor electrode and resistance C one end, resistance C other end ground connection, the resistance E other end is even Connecting resistance G one end, the resistance G other end accesses amplifier A negative input, and the resistance F other end accesses Amplifier A electrode input end, resistance I is connected between amplifier A electrode input end and outfan, resistance H One end is connected on amplifier A negative input, other end ground connection, resistance J, resistance K, resistance L, resistance M, amplifier B, electric capacity composition level shifting circuit.