CN216131135U

CN216131135U - Intelligent Internet of things controller circuit for industrial large fan

Info

Publication number: CN216131135U
Application number: CN202121920671.1U
Authority: CN
Inventors: 温卫华
Original assignee: Guangdong Yuema Air Handling Co ltd
Current assignee: Guangdong Yuema Air Handling Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-25
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses an industrial large fan intelligent Internet of things controller circuit which comprises a control module, a power supply module and a power supply module, wherein the control module comprises an MCU control module, a functional interface module and an indication module; the three-phase alternating current motor control module comprises a motor control module and a three-phase alternating current motor output interface module, wherein the motor control module is electrically connected with the MCU control module, and a three-phase output pin of the motor control module is electrically connected with the three-phase alternating current motor output interface module; the soft start module is electrically connected with the MCU control module and is used for preventing overcurrent during starting of the industrial large fan; and the auxiliary power supply module is electrically connected with the control module and used for providing stable low-voltage direct-current voltage for the control module. The industrial large fan is subjected to multifunctional intelligent regulation through the MCU control module, the auxiliary power supply and the functional interface, and a motor of the industrial large fan is protected through the three-phase alternating current motor control module and the soft start module.

Description

Intelligent Internet of things controller circuit for industrial large fan

Technical Field

The utility model relates to the technical field of controllers, in particular to an intelligent Internet of things controller circuit for an industrial large fan.

Background

Today, a variety of fan systems are widely used, with fans playing a vital role. For example, what people have had little to cool and cool are electric fans, heat-dissipating circulation fans used in automobile engines, heat-dissipating fans used in computers, and large-sized heat-dissipating fans used in industrial production. With the development of society, the importance of fan control technology is becoming more and more obvious.

The existing industrial large fan can only realize single regulation on speed, cannot guarantee intelligent regulation on the industrial large fan, leads to waste of electric energy, and is easy to damage the industrial large fan.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the background art, an object of the present invention is to provide an intelligent internet of things controller circuit for an industrial large fan, which performs multifunctional intelligent regulation on the industrial large fan through an MCU control module, an auxiliary power supply and a functional interface, and protects a motor of the industrial large fan through a three-phase ac motor control module and a soft start module.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an intelligent Internet of things controller circuit for an industrial large fan comprises,

the control module comprises an MCU control module, a functional interface module and an indication module, wherein the MCU control module is respectively and electrically connected with the functional interface module and the indication module;

the three-phase alternating current motor control module comprises a motor control module and a three-phase alternating current motor output interface module, wherein the motor control module is electrically connected with the MCU control module, and a three-phase output pin of the motor control module is electrically connected with the three-phase alternating current motor output interface module;

the soft start module is electrically connected with the MCU control module and used for preventing overcurrent during starting of the industrial large fan, and 380V alternating current is input into the soft start module;

and the auxiliary power supply module is electrically connected with the control module and used for providing stable low-voltage direct-current voltage for the control module.

Specifically, the interface module comprises a cooling fan interface circuit, a communication interface circuit, a temperature monitoring interface circuit and a motor interface circuit, and the cooling fan interface circuit, the communication interface circuit, the temperature monitoring interface circuit and the motor interface circuit are all electrically connected with the MCU control module.

Specifically, the indicating module comprises a first LED indicating lamp and a second LED indicating lamp, the first LED indicating lamp and the second LED indicating lamp are connected in series with a resistor, and the first LED indicating lamp and the second LED indicating lamp are electrically connected with the MCU control module.

Specifically, the communication interface circuit includes a receiving circuit, a transmitting circuit and a communication interface, and the receiving circuit and the transmitting circuit are electrically connected to the communication interface respectively.

Specifically, the motor control module comprises an IPM module, a first IC module and a second IC module, wherein the first IC module is electrically connected with a motor V-phase output pin of the IPM module, and the second IC module is electrically connected with a motor W-phase output pin of the IPM module.

Specifically, the gate driving input pin of the IPM module is electrically connected to the MCU control module.

Specifically, the soft start module comprises a three-phase alternating current power input interface, a PCT and an optical coupler driving alternating current contactor, wherein a first input end of the PCT is connected with an S-phase voltage in three-phase alternating current, and the optical coupler driving alternating current contactor is connected with an S-phase voltage switch in the three-phase alternating current.

Specifically, the MCU module outputs an electric signal to drive the soft start module through the optical coupler driving alternating current contactor.

Specifically, the IPM control module includes a W-phase low-side transmission pin, a V-phase low-side transmission pin, and a U-phase low-side transmission pin, and the W-phase low-side transmission pin, the V-phase low-side transmission pin, and the U-phase low-side transmission pin are all electrically connected to the MCU control module through a sampling circuit.

Specifically, the chip model of the MCU control module is STM32F030C8T6, and the chip model of the IPM module is IM 818-MCC.

The utility model has the following beneficial effects: the industrial large fan is subjected to multifunctional intelligent regulation through the MCU control module, the auxiliary power supply and the functional interface, and a motor of the industrial large fan is protected through the three-phase alternating current motor control module and the soft start module.

Drawings

FIG. 1 is a system framework diagram of an industrial large fan intelligent Internet of things controller circuit of the present invention;

FIG. 2 is a circuit diagram of an MCU control module according to an embodiment of the present invention;

FIG. 3 is a second circuit diagram of the MCU control module according to the embodiment of the present invention;

FIG. 4 is a third circuit diagram of the MCU control module according to the embodiment of the present invention;

FIG. 5 is a fourth circuit diagram of the MCU control module according to the embodiment of the present invention;

FIG. 6 is a fifth circuit diagram of the MCU control module according to the embodiment of the present invention;

FIG. 7 is a diagram illustrating an embodiment of a voltage regulator circuit;

FIG. 8 is a second embodiment of a voltage regulator circuit according to the present invention;

FIG. 9 is a third exemplary embodiment of a voltage regulator circuit;

FIG. 10 shows an embodiment of an over-coupling capacitor;

FIG. 11 is a temperature monitoring interface circuit according to an embodiment of the present invention;

FIG. 12 is a motor interface circuit in an embodiment of the present invention;

FIG. 13 is a circuit diagram of a heat dissipation fan interface according to an embodiment of the present invention;

FIG. 14 is a diagram of one of the communication interface circuits according to the embodiment of the present invention;

FIG. 15 is a second embodiment of a communication interface circuit;

FIG. 16 is a third exemplary embodiment of a communication interface circuit;

FIG. 17 is an indication module in an embodiment of the utility model;

FIG. 18 illustrates a soft start module according to an embodiment of the present invention;

FIG. 19 is a diagram of one of the auxiliary power modules in an embodiment of the present invention;

FIG. 20 is a second exemplary embodiment of an auxiliary power module;

FIG. 21 is a diagram of a motor control module in an embodiment of the present invention;

FIG. 22 is a block diagram of one of the three-phase AC motor output interface modules according to the embodiment of the present invention;

fig. 23 shows a second output interface module of the three-phase ac motor according to the embodiment of the present invention;

FIG. 24 shows one embodiment of a sampling circuit;

FIG. 25 shows a second sampling circuit according to an embodiment of the present invention;

FIG. 26 shows a third exemplary sampling circuit;

FIG. 27 is a filter circuit according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different elements and not for describing a particular sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As shown in fig. 1 to 27, the present invention provides an intelligent internet of things controller circuit for an industrial large fan, comprising,

the control module comprises an MCU control module, a functional interface module and an indication module, wherein the MCU control module is electrically connected with the functional interface module and the indication module respectively;

the soft start module is electrically connected with the MCU control module and is used for preventing overcurrent during starting of the industrial large fan;

The beneficial effects of this embodiment are as follows: in the embodiment, the industrial large fan is subjected to multifunctional intelligent adjustment through the MCU control module, the auxiliary power supply and the functional interface, and the motor of the industrial large fan is protected through the three-phase alternating current motor control module and the soft start module.

Specifically, the interface module comprises a cooling fan interface circuit, a communication interface circuit, a temperature monitoring interface circuit and a motor interface circuit, the cooling fan interface circuit, the communication interface circuit, the temperature monitoring interface circuit and the motor interface circuit are all electrically connected with the MCU control module, and meanwhile, the cooling fan interface circuit is externally connected with a cooling fan to ensure that the controller can be cooled when the temperature of the controller rises; the communication interface circuit is externally connected with a communicator, and can also use a networking mode mobile phone or a computer mode one-key control on-off and the like under some special environments and special conditions; the temperature monitoring interface circuit is externally connected with a temperature sensor and used for feeding back the detected ambient temperature to the MCU control module; the MCU control module can be used for writing software programs, various requirements of users can be met, the temperature precision achieved through software programming is high, and slight changes of the ambient temperature can be detected.

Specifically, the indicating module comprises a first LED indicating lamp and a second LED indicating lamp, the first LED indicating lamp and the second LED indicating lamp are connected in series with a resistor, the first LED indicating lamp and the second LED indicating lamp are electrically connected with the MCU control module, the first LED indicating lamp is used for condition prompt, and the second LED indicating lamp is used for mode prompt.

Specifically, the motor control module comprises an IPM module, a first IC module and a second IC module, wherein the first IC module is electrically connected to a motor V-phase output pin of the IPM module, and the second IC module is electrically connected to a motor W-phase output pin of the IPM module.

Specifically, the soft start module comprises a three-phase alternating current power supply input interface, a PCT, an optical coupler driving alternating current contactor and a relay switch, wherein a first input end of the PCT is connected with S-phase voltage in three-phase alternating current, the optical coupler driving alternating current contactor is connected with the S-phase voltage switch in the three-phase alternating current, the relay switch is electrically connected to two ends of the PCT, and when the relay switch works, the PCT is in short circuit.

Specifically, the MCU module outputs an electric signal to drive the alternating current contactor to drive the soft start module through the optical coupler.

Specifically, the IPM control module includes a W-phase low-side transmission pin, a V-phase low-side transmission pin, and a U-phase low-side transmission pin, and the W-phase low-side transmission pin, the V-phase low-side transmission pin, and the U-phase low-side transmission pin are all electrically connected to the MCU control module through the sampling circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intelligent Internet of things controller circuit for an industrial large fan is characterized by comprising,

2. The industrial large fan intelligent internet of things controller circuit as claimed in claim 1, wherein the interface module comprises a cooling fan interface circuit, a communication interface circuit, a temperature monitoring interface circuit and a motor interface circuit, and the cooling fan interface circuit, the communication interface circuit, the temperature monitoring interface circuit and the motor interface circuit are all electrically connected with the MCU control module.

3. The industrial large fan intelligent internet of things controller circuit as claimed in claim 2, wherein the indication module comprises a first LED indicator light and a second LED indicator light, the first LED indicator light and the second LED indicator light are both connected in series with a resistor, and the first LED indicator light and the second LED indicator light are both electrically connected with the MCU control module.

4. The industrial large fan intelligent internet of things controller circuit as claimed in claim 2, wherein the communication interface circuit comprises a receiving circuit, a transmitting circuit and a communication interface, and the receiving circuit and the transmitting circuit are respectively electrically connected with the communication interface.

5. The IPV controller circuit of claim 1, wherein the motor control module comprises an IPM module, a first IC module electrically connected to the motor V output pin of the IPM module, and a second IC module electrically connected to the motor W output pin of the IPM module.

6. The industrial large fan intelligent internet of things controller circuit according to claim 1, wherein a gate drive input pin of the IPM module is electrically connected to the MCU control module.

7. The intelligent internet-of-things controller circuit for the industrial large fan according to claim 1, wherein the soft start module comprises a three-phase alternating current power input interface, a PCT and an optical coupler driving alternating current contactor, a first input end of the PCT is connected with an S-phase voltage in three-phase alternating current, and the optical coupler driving alternating current contactor is connected with an S-phase voltage switch in the three-phase alternating current.

8. The industrial large fan intelligent internet of things controller circuit according to claim 1, wherein the MCU module outputs an electrical signal to drive the soft start module through the optical coupler driving AC contactor.

9. The industrial large fan intelligent internet of things controller circuit according to claim 1, wherein the IPM control module comprises a W-phase low-side transmission pin, a V-phase low-side transmission pin and a U-phase low-side transmission pin, and the W-phase low-side transmission pin, the V-phase low-side transmission pin and the U-phase low-side transmission pin are all electrically connected with the MCU control module through a sampling circuit.

10. The industrial large fan intelligent internet of things controller circuit as claimed in claim 1, wherein the chip model of the MCU control module is STM32F030C8T6, and the chip model of the IPM module is IM 818-MCC.