CN216931122U

CN216931122U - Roll up membrane controller system

Info

Publication number: CN216931122U
Application number: CN202220499353.0U
Authority: CN
Inventors: 杨海浪
Original assignee: Aishangyun Electronics Jiaxing Co ltd
Current assignee: Aishangyun Electronics Jiaxing Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-12
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to the technical field of film winding controllers, and discloses a film winding controller system which comprises a single chip microcomputer, a switching power supply, a driving circuit, a voltage regulating circuit and a motor, wherein the output end of the switching power supply is electrically connected with the driving circuit and the input end of the single chip microcomputer, the output end of the driving circuit is electrically connected with the input end of the voltage regulating circuit, the output end of the voltage regulating circuit is electrically connected with the input end of the motor, and the signal transmission end of the single chip microcomputer is connected with the driving circuit, the voltage regulating circuit and the signal transmission end of the motor. The utility model drives the motor by adopting a soft start mode. When the motor is started in a soft start mode, the output voltage of a thyristor in the voltage regulating circuit is gradually increased, the motor is gradually accelerated until the thyristor is fully conducted, the motor works on the mechanical characteristic of rated voltage, smooth start is realized, starting current is reduced, overcurrent tripping is avoided during starting, and the using effect is excellent.

Description

Roll up membrane controller system

Technical Field

The utility model relates to the technical field of film winding controllers, in particular to a film winding controller system.

Background

The electric film rolling equipment for the greenhouse is the most extensive equipment adopted by a ventilation cooling system in modern agricultural facilities, and can greatly reduce the operation intensity of the facilities such as the greenhouse and improve the working efficiency of workers through the electric film rolling operation. At present, the electric film rolling controller in the industry generally adopts a rectifier transformer power supply, 220V alternating current is rectified into 2 direct current 24V through voltage transformation, and the 2 direct current 24V is supplied to an electric film rolling. Although the power supply has low cost, the power supply has the following problems:

(1) poor reliability, high failure rate: when the film winding motor is started, the impact current is 6-7 times of the rated current of the motor, and the motor is easy to damage. The power supply has no overvoltage and overcurrent protection function, and the motor is easily damaged once the motor is blocked or overloaded.

(2) High power consumption and low efficiency: from the power supply to the film winding motor, the film is always in a charged state. The positive and negative poles of the direct current power supply are changed through the switch to control the positive and negative rotation of the motor, and the motor is high in power consumption and low in efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a roll film controller system to solve the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a roll up membrane controller system, includes singlechip, switching power supply, drive circuit, voltage regulating circuit and motor, switching power supply's output is connected with the input electricity of drive circuit and singlechip, drive circuit's output is connected with voltage regulating circuit's input electricity, voltage regulating circuit's output is connected with the input electricity of motor, the signal transmission end of singlechip is connected with the signal transmission end of drive circuit, voltage regulating circuit and motor.

As a preferred embodiment of the present invention, the system further comprises a temperature acquisition module.

As a preferred embodiment of the present invention, the single chip is further provided with a network interface, the network interface is connected to a gateway through a bus, and the gateway is connected to the human-machine device through the bus.

In a preferred embodiment of the present invention, the driving circuit is an up-down bridge driving signal driving circuit.

In a preferred embodiment of the present invention, the voltage regulating circuit is a three-phase fully-controlled bridge rectifier circuit.

Compared with the prior art, the utility model provides a film rolling controller system, which has the following beneficial effects:

this roll up membrane controller system, through adopting soft start mode driving motor, when using soft start mode starter motor, the output voltage of the thyristor in the voltage regulating circuit increases gradually, and the motor accelerates gradually, and until the thyristor switches on completely, the motor work realizes smooth start on rated voltage's mechanical characteristic, reduces starting current, avoids starting overcurrent tripping operation, and the result of use is splendid.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a block diagram of a roll film controller system according to the present invention.

In the figure: 1. a single chip microcomputer; 2. a switching power supply; 3. a drive circuit; 4. a voltage regulating circuit; 5. a motor; 6. a circuit board; 7. a temperature acquisition module; 8. a network interface; 9. a gateway; 10. a human-machine device; 11. bypassing the contactor.

Detailed Description

For a better understanding of the objects, structure and function of the present invention, a roll film controller system according to the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the present invention provides a technical solution: the utility model provides a roll up membrane controller system, includes singlechip 1, switching power supply 2, drive circuit 3, voltage regulating circuit 4 and motor 5, singlechip 1, switching power supply 2, drive circuit 3, voltage regulating circuit 4 all set up on circuit board 6, the external 220vAC power of switching power supply 2, switching power supply 2's output is connected with drive circuit 3 and singlechip 1's input electricity, drive circuit 3's output is connected with voltage regulating circuit 4's input electricity, voltage regulating circuit 4's output is connected with motor 5's input electricity, and 220vAC power passes through switching power supply 2 and gives singlechip 1, switching power supply 2, drive circuit 3, voltage regulating circuit 4 and motor 5 completion circular telegram, singlechip 1's signal transmission end and drive circuit 3, voltage regulating circuit 4 and motor 5's signal transmission end are connected, and singlechip 1 is the singlechip, and singlechip 1's signal passes through drive circuit 3, the ARM transmission end is connected, and singlechip 1 is the ARM, The voltage regulating circuit 4 completes control over the motor 5, the motor 5 is used for driving power of a film roll, and the driving circuit 3, the voltage regulating circuit 4 and the motor 5 are connected with the single chip microcomputer 1 through signal feedback lines, so that overcurrent, overvoltage and undervoltage protection functions of the single chip microcomputer 1 are achieved.

In this embodiment, still include temperature acquisition module 7, temperature acquisition module 7 is temperature sensor, and temperature acquisition module 7's signal output part is connected with singlechip 1's signal input part, and temperature acquisition module 7 sets up on circuit board 6, and temperature acquisition module 7 is used for gathering ambient temperature, the temperature in the big-arch shelter promptly, when the temperature is low to the setting value or is high to the setting value, opens according to opening of temperature control motor 5 and stops.

In this embodiment, the single chip microcomputer 1 is further provided with a network interface 8, the network interface 8 is connected with a gateway 9 through a bus, the gateway 9 is connected with a human-computer device 10 through the bus, the human-computer device 10 is a computer, networking CAN be achieved through a CAN bus, internet surfing is concentrated, remote control is achieved, and the intelligent internet of things requirement of a modern agricultural greenhouse is met.

In this embodiment, the driving circuit 3 is an upper and lower bridge driving signal driving circuit.

In this embodiment, the voltage regulating circuit 4 is a three-phase full-control bridge rectifier circuit, when the motor 5 is started, the output voltage of the thyristor in the voltage regulating circuit 4 is gradually increased, the motor 5 is gradually accelerated until the thyristor is fully conducted, and the motor 5 works on the mechanical characteristic of rated voltage, so that smooth starting is realized, starting current is reduced, and overcurrent tripping during starting is avoided.

In this embodiment, still include bypass contactor 11, the output of regulator circuit 4 is connected with bypass contactor 11's input electricity, bypass contactor 11's output is connected with motor 5's input electricity, when waiting for motor 5 to reach rated revolution, regulator circuit 4 triggers bypass contactor 11 through internal signal and singlechip 1 and replaces the thyristor that has accomplished the task, provides rated voltage for motor 5 normal operating to reduce the heat loss of thyristor, prolong the life of product, improve its work efficiency, make the electric wire netting avoid harmonic pollution again.

The working principle is as follows: the motor 5 is started through the single chip microcomputer 1, a starting signal is sent to the motor 5 through the driving circuit 3 and the voltage regulating circuit 4, the output voltage of a thyristor in the voltage regulating circuit 4 is gradually increased, the motor 5 is gradually accelerated until the thyristor is fully conducted, and when the motor 5 reaches a rated rotating speed, the voltage regulating circuit 4 triggers the bypass contactor 11 through an internal signal and the single chip microcomputer 1 to replace the thyristor which has completed a task, so that rated voltage is provided for normal operation of the motor 5.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A roll film controller system, characterized by: including singlechip, switching power supply, drive circuit, pressure regulating circuit and motor, switching power supply's output is connected with the input electricity of drive circuit and singlechip, drive circuit's output is connected with the input electricity of pressure regulating circuit, the output of pressure regulating circuit is connected with the input electricity of motor, the signal transmission end of singlechip is connected with the signal transmission end of drive circuit, pressure regulating circuit and motor.

2. The roll film controller system of claim 1, wherein: the temperature acquisition module is further included.

3. The roll film controller system of claim 1, wherein: the single chip microcomputer is also provided with a network interface, the network interface is connected with a gateway through a bus, and the gateway is connected with the human-machine equipment through the bus.

4. The roll film controller system of claim 1, wherein: the driving circuit is an upper bridge driving signal driving circuit and a lower bridge driving signal driving circuit.

5. The roll film controller system of claim 4, wherein: the voltage regulating circuit is a three-phase fully-controlled bridge rectifier circuit.

6. The roll film controller system of claim 4, wherein: still include the bypass contactor, the output of voltage regulating circuit is connected with the input electricity of bypass contactor, the output of bypass contactor is connected with the input electricity of motor.