CN204761358U - Infinitely variable's motor control means - Google Patents

Infinitely variable's motor control means Download PDF

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Publication number
CN204761358U
CN204761358U CN201520455530.5U CN201520455530U CN204761358U CN 204761358 U CN204761358 U CN 204761358U CN 201520455530 U CN201520455530 U CN 201520455530U CN 204761358 U CN204761358 U CN 204761358U
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China
Prior art keywords
module
transformer
control
motor
variable speed
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CN201520455530.5U
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Chinese (zh)
Inventor
杨航
徐刚
朱国庆
凌雄
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Shenzhen Kstar Technology Co Ltd
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Shenzhen Kstar Technology Co Ltd
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Abstract

The utility model provides an infinitely variable's motor control means, including data acquisition module, control module, drive module, intelligent display module, transformer and motor, data acquisition module is connected with control module, control module is connected to outsidely by control terminal through data acquisition module, control module and drive module are connected, drive module is connected with the transformer, the transformer is connected with the motor, the intelligent display module with control module is connected. Adopt the technical scheme of the utility model, realize motor infinitely variable to can have clear demonstration to the current parameter in the transformer working process, to transformer and motor appear overflowing, the trouble information of excessive pressure or excess temperature shows and the record, and then has clearer understanding to its operating condition, and can respectively protect parameter setting to motor, transformer, and better realization motor infinitely variable's intelligent control, the cost is reduced has improved the reliability.

Description

A kind of infinite variable speed motor control assembly
Technical field
The utility model relates to a kind of motor control assembly, particularly relates to a kind of infinite variable speed motor control assembly.
Background technology
In prior art, the mode such as copped wave debugging or high frequency control is comprised to the control mode of motor, it is very large that motor runs noise, when motor runs debugging switched voltage, the harmonic content that the modes such as copped wave debugging are brought is large to electric network pollution, the rotational speed regulation mode of described motor is complicated, automaticity is low, and then make the whole construction cycle long, cost is high and reliability is low, special in infinite variable speed motor, easily occur that motor working voltage is unsmooth, waveform is discontinuous imperfect, harmonic content is many, pollutes electrical network; In addition, unclear for the parameter state in the transformer course of work, there is overcurrent in transformer and motor, the fault message of overvoltage or excess temperature does not show and record, and problem is just more complicated.
Utility model content
For above technical problem, the utility model provides a kind of infinite variable speed motor control assembly, the velocity variations of motor links up, motor working voltage is level and smooth, waveform is continuous whole, harmonic content is few, reduce electric network pollution, and motor speed Automatic adjusument can be realized, for the clear display of the current parameters in the transformer course of work, overcurrent is occurred for transformer and motor, the fault message of overvoltage or excess temperature carries out showing and record, and then have understanding clearly to its operating state, and reduce production cost and improve its reliability.
To this, the technical solution adopted in the utility model is:
A kind of infinite variable speed motor control assembly, it is characterized in that: comprise data acquisition module, control module, driver module, intelligent display module, transformer and motor, described data acquisition module is connected with control module, and described control module is connected to outside by control terminal by data acquisition module; Described control module is connected with driver module, and described driver module is connected with transformer, and described transformer is connected with motor; Described intelligent display module is connected with described control module; Wherein, also comprise voltage protection module, temperature protection module and current acquisition module, described voltage protection module comprises the first voltage protection module and the second voltage protection module, described control module is connected with transformer by the first voltage protection module, and described control module is connected with motor by the second voltage protection module; Described control module is connected with transformer by current acquisition module; Described control module is connected with transformer, motor respectively by temperature protection module.
Wherein, described temperature protection module is module and the equipment with temperature detection, comprises at least one, more preferably thermistor in thermocouple, thermistor, RTD, IC temperature sensor.
Described intelligent display module is upper terminal module and the equipment with Presentation Function, is the display module with data processing function, can add-on systems; Described intelligent display module comprises processing unit and display terminal, and described display terminal comprises at least one in the display screen of LCD, LED class or touch-screen.
As further improvement of the utility model, described driver module comprises at least one in relay, contactor or semiconductor drivers.
As further improvement of the utility model, described driver module is semiconductor drivers.
As further improvement of the utility model, the data collected by the data of control terminal, and are sent to control module by transducer collection by described data acquisition module.
As further improvement of the utility model, described transducer comprises at least one in temperature sensor, pressure sensor and current sensor.
As further improvement of the utility model, described data acquisition module comprises the sampling circuit of a road acquisition circuit or multidiameter delay.
As further improvement of the utility model, described temperature protection module comprises the first temperature protector and the second temperature protector, described control module is connected with motor by the first temperature protector, and described control module is connected with transformer by the second temperature protector; Described first temperature protector and the second temperature protector are thermistor.
As further improvement of the utility model, described intelligent display module comprises touch-screen.
As further improvement of the utility model, described control module comprises at least one in MCU, PLC unit, DSP unit and FPGA unit.
As further improvement of the utility model, described transformer comprises isolating transformer or has multiple tapped autotransformer, described autotransformer is provided with multiple voltage winding, and the different windings of described multiple voltage winding are for realizing the output of different voltage gear.
As further improvement of the utility model, described driver module is semiconductor control and drive system, and the different windings of described multiple voltage winding are connected with semiconductor control and drive system respectively.
Compared with prior art, the beneficial effects of the utility model are:
The first, the velocity variations of motor links up, and motor working voltage is level and smooth, waveform is continuous whole, and harmonic content is few, reduces electric network pollution, and can realize motor speed Automatic adjusument.
The second, for the clear display of the current parameters in the transformer course of work; Overcurrent is occurred for transformer and motor, the fault message of overvoltage or excess temperature carries out showing and record; and then have understanding clearly to its operating state; and can arrange motor, each Protection parameters of transformer; better realize the infinite variable speed Based Intelligent Control of motor, and reduce production cost and improve its reliability.
3rd, realize motor speed Automatic adjusument by control module, there is omnibearing intelligent protection simultaneously, and then intelligent motor protection solution can be realized, effectively improve its construction cycle, reduce production cost, improve its reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail.
As shown in Figure 1, this example provides a kind of infinite variable speed motor control assembly, comprise: data acquisition module 1, control module 2, driver module 3, intelligent display module 4, transformer 5 and motor 6, described data acquisition module 1 is connected with control module 2, and described control module 2 is connected to outside by control terminal 7 by data acquisition module 1; Described control module 2 is connected with driver module 3, and described driver module 3 is connected with transformer 5, and described transformer 5 is connected with motor 6; Described intelligent display module 4 is connected with described control module 2; Wherein, also comprise voltage protection module 8, temperature protection module and current acquisition module 9, described voltage protection module 8 comprises the first voltage protector and the second voltage protector; Described control module 2 is connected with transformer 5 by the first voltage protection module, and described control module 2 is connected with motor 6 by the second voltage protection module; Described control module 2 is connected with transformer 5 by current acquisition module 9; Described temperature protection module comprises the first temperature protector 10 and the second temperature protector 11, and described control module 2 is connected with motor 6 by the first temperature protector 10; Described control module 2 is connected with transformer 5 by the second temperature protector 11; Described control module 2 is connected with transformer 5 by current acquisition module 9.Described driver module 2 is semiconductor drivers.Described first temperature protector 10 and the second temperature protector 11 examples are preferably thermistor.Described intelligent display module 4 comprises display terminal, and this example is preferably touch-screen.
The data collected by the data of control terminal 7, are sent to control module 2 by transducer collection by described data acquisition module 1, and send intelligent display module 4 to, show on the touchscreen.Described transducer comprises at least one in temperature sensor, pressure sensor and current sensor; Described data acquisition module 1 comprises the sampling circuit of a road acquisition circuit or multidiameter delay.
Adopt this technical scheme; can show the current parameters of transformer 5; can also show the failure condition such as excess temperature, overvoltage of transformer 5, motor 6; and can arrange each Protection parameters of transformer 5 and motor 6; thus very clear to the running status of motor 6 and transformer 5, better realize the infinite variable speed Based Intelligent Control of motor 6.
This routine described control module 2 comprises at least one in MCU, PLC unit, DSP unit and FPGA unit.Described control module 2 is modules of a band data processor, processor can be the unit that MCU (single-chip microcomputer), PLC unit, DSP unit or FPGA etc. have data processing function, it mainly complete transducer collection is returned data analysis, storage, show and send control command, and accept overload signal and the temperature signal data of transformer 5 and motor 6; Described control module 2 goes back the feedback data of detecting sensor, by sending control command after data analysis to driver module 3, thus control the drive actions of its driver module 3 pairs of transformers 5, described control module 2 detects overload signal and the temperature signal of transformer 5 and motor 6, by sending control command after data analysis to driver module 3, ensure its transformer 5 and motor 6 reliability service in the scope of safety.
Above-mentioned reliability service is described as: when detecting that overload signal or temperature signal are abnormal, feeding back to intelligent display module 4, showing on the touchscreen, and control module 2 can cut off drive singal simultaneously, makes transformer 5 no-output, motor 6 shuts down; Also the current voltage gear of transformer 5 can be declined, reduce voltage gear and the load of transformer 5 and motor 6 is diminished, thus its transformer 5 and motor 6 are operated within safe range.
This routine described transformer 5 comprises multiple tapped autotransformer, and described autotransformer is provided with multiple voltage winding, and the different windings of described multiple voltage winding are for realizing the output of different voltage gear; The voltage gear of transformer 5 can according to the concrete situation design used, and as N1 to the Nn in Fig. 1, corresponding V1 to Vn, n and N are natural number respectively.Driver module 3 adopts semiconductor drivers to have the executive component of vulnerabilities scan forceful electric power, and the reaction time is shorter, and described driver module 3 mainly accepts the control command that control module 2 sends, and performs by instruction.This example adopts autotransformer to realize, and in practical application, can also be realized by the transformer of isolating transformer or other types.
The data that this example is fed back by pick-up transducers, feed back to intelligent display module, show on the touchscreen, simultaneously after the computing of control module 2, the output of automatic control driver module 3, thus control multiple tapped autotransformer, to realize boosting or step-down, reach the object of Automatic adjusument motor speed; Described motor 6 is connected on the release gear of transformer 5, for the N3 in Fig. 1, control module 2 detects feedback data by transducer, the semiconductor drivers that control module 2 controls driver module 3 exports the on-position of input voltage of control transformer 5, synchronization, has and only has a relay to export; Exported by the no-load voltage ratio characteristic V input/V output=N input/N of transformer 5, wherein, V input and N export constant, when different relays exports, just change the N input of transformer 5, thus V output will be changed, namely the input voltage of motor 6 is changed, and then the rotating speed of self-regulation motor 6.
The embodiment of the above is better embodiment of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence change that all shapes according to the utility model, structure are done is all in protection range of the present utility model.

Claims (10)

1. an infinite variable speed motor control assembly, it is characterized in that: comprise data acquisition module, control module, driver module, intelligent display module, transformer and motor, described data acquisition module is connected with control module, and described control module is connected to outside by control terminal by data acquisition module; Described control module is connected with driver module, and described driver module is connected with transformer, and described transformer is connected with motor; Described intelligent display module is connected with described control module; Wherein, also comprise voltage protection module, temperature protection module and current acquisition module, described voltage protection module comprises the first voltage protection module and the second voltage protection module, described control module is connected with transformer by the first voltage protection module, and described control module is connected with motor by the second voltage protection module; Described control module is connected with transformer by current acquisition module; Described control module is connected with transformer, motor respectively by temperature protection module.
2. infinite variable speed motor control assembly according to claim 1, is characterized in that: described driver module comprises at least one in relay, contactor or semiconductor drivers.
3. infinite variable speed motor control assembly according to claim 2, is characterized in that: described driver module is semiconductor drivers.
4. infinite variable speed motor control assembly according to claim 3, is characterized in that: the data collected by the data of control terminal, and are sent to control module by transducer collection by described data acquisition module; Described transducer comprises at least one in temperature sensor, pressure sensor and current sensor.
5. infinite variable speed motor control assembly according to claim 4, is characterized in that, described data acquisition module comprises the sampling circuit of a road acquisition circuit or multidiameter delay.
6. infinite variable speed motor control assembly according to claim 1, it is characterized in that: described temperature protection module comprises the first temperature protector and the second temperature protector, described control module is connected with motor by the first temperature protector, and described control module is connected with transformer by the second temperature protector; Described first temperature protector and the second temperature protector are thermistor.
7. infinite variable speed motor control assembly according to claim 1, is characterized in that: described intelligent display module comprises touch-screen.
8. the infinite variable speed motor control assembly according to claim 1 to 7 any one, is characterized in that, described control module comprises at least one in MCU, PLC unit, DSP unit and FPGA unit.
9. the infinite variable speed motor control assembly according to claim 1 to 7 any one, it is characterized in that, described transformer comprises isolating transformer or has multiple tapped autotransformer, described autotransformer is provided with multiple voltage winding, and the different windings of described multiple voltage winding are for realizing the output of different voltage gear.
10. infinite variable speed motor control assembly according to claim 9, is characterized in that, described driver module is semiconductor control and drive system, and the different windings of described multiple voltage winding are connected with semiconductor control and drive system respectively.
CN201520455530.5U 2015-06-29 2015-06-29 Infinitely variable's motor control means Active CN204761358U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109240195A (en) * 2018-10-19 2019-01-18 江苏方天电力技术有限公司 Oil immersed type converter transformer cooling system control method and control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109240195A (en) * 2018-10-19 2019-01-18 江苏方天电力技术有限公司 Oil immersed type converter transformer cooling system control method and control system

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