CN212752237U

CN212752237U - Switch controller for single-phase and three-phase equipment

Info

Publication number: CN212752237U
Application number: CN202021229739.7U
Authority: CN
Inventors: 邓冰峰
Original assignee: Yantai Fengxun Electronic Technology Co ltd; Yantai Hydr Auto Molding Automation Ltd
Current assignee: Yantai Fengxun Electronic Technology Co ltd; Yantai Hydr Auto Molding Automation Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-19
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a single-phase, three-phase equipment's on-off controller, including electronic switch, mechanical switch, CPU and load equipment, electronic switch with CPU's input is connected, CPU's output passes through mechanical switch is connected with load equipment. The electronic switch of the non-contact switch and the tube is adopted, the mechanical switch is used for assisting the electronic switch to work, the switch operation of the equipment is completed, the electronic switch is adopted, sparks cannot be generated, the control energy consumption is low, the safety is high, the mechanical switch is adopted, heat cannot be generated after the starting, heat radiating fins are not required to be added on the motor switch, and the size is reduced.

Description

Switch controller for single-phase and three-phase equipment

Technical Field

The utility model relates to a single-phase, three-phase motor control, single-phase, three-phase heating equipment control, technical field such as single-phase, three-phase lighting control specifically are a single-phase, three-phase equipment's on-off controller.

Background

At present, the equipment is mainly controlled by a solid-state relay and an alternating current contactor (a coil relay with small power) through switching, and the first equipment has the defects of small power, high heating (a large radiator needs to be added) and easy damage; the second type has large volume, easy burning of contacts due to electric arc generated when the switch is disconnected, low switching frequency, high control energy consumption and low safety.

Based on this, the utility model designs a switch controller of single-phase, three-phase equipment to solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch controller of single-phase, three-phase equipment has advantages such as do not have and generate heat, do not have and draw the arc, small to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the switch controller of single-phase and three-phase equipment comprises an electronic switch, a mechanical switch, a CPU and load equipment, wherein the electronic switch is connected with the input end of the CPU, and the output end of the CPU is connected with the load equipment through the mechanical switch.

Preferably, the electronic switch adopts a thyristor.

Preferably, the mechanical switch is an electromagnetic control mechanical switch.

Preferably, the load device includes, but is not limited to, a motor, a heating device, and a lighting device.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an adopt the contactless electronic switch who opens and manage to through the work of mechanical switch auxiliary electronic switch, accomplish the equipment switch operation, adopt electronic switch can not produce the spark, control energy consumption is low, and the security is high, adopts mechanical switch can not generate heat, so can not have the thermogenesis after starting, just need not add the fin on the electrical machine switch again, reduced the volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a flow chart of an embodiment of the present invention;

FIG. 3 is a circuit diagram illustrating the operation of the present invention;

fig. 4 is a conversion circuit diagram of the 24V power module of the present invention;

fig. 5 is a circuit diagram of a 5-way solenoid valve driving circuit of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an electronic switch; 2. a mechanical switch; 3. a CPU; 4. a load device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a switch controller of single-phase and three-phase equipment comprises an electronic switch 1, a mechanical switch 2, a CPU3 and load equipment 4, wherein the electronic switch 1 is connected with the input end of a CPU3, and the output end of the CPU3 is connected with the load equipment 4 through the mechanical switch 2.

Wherein, the electronic switch 1 adopts a thyristor.

Wherein, the load device 4 includes but not limited to a motor, a heating device, and a lighting device.

The electronic switch 1, mechanical switch 2 and CPU3 components are all standard or known to those skilled in the art, and their construction and principles are known to those skilled in the art either through technical manuals or through routine experimentation.

The specific working principle is as follows:

through adopting the electronic switch 1 of contactless switch and pipe to through the work of mechanical switch 2 auxiliary electronic switch 1, accomplish equipment switch operation, adopt electronic switch 1 can not produce the spark, control energy consumption is low, and the security is high, adopts mechanical switch 2 can not generate heat, so can not have after the start and generate heat, just need not add the fin on the motor switch again, reduced the volume.

As shown in fig. 3-5, the program is started, the control pin of the 4-pin electronic switch is set to a high level, the high level passes through the resistors R81, R83, the photoelectric switches D76, D77 to drive the electronic switch X3, and X4 to be opened, so that the primary stages of L5 and L6 are connected to a 380V power supply and flow out of the driving motor to operate, and the secondary stages of L5 and L6 simultaneously sense the operating current of the motor, so as to detect the operating parameters of the motor for the CPU; when the starting process of the electronic switch is finished, the CPU detects that the motor operating parameters are normally driven, then the corresponding

mechanical switches

1, 2 and 3 are turned on according to the phase sequence requirements, and after the mechanical switches are turned on, the power consumption of the electronic switch is reduced, and the heating of the electronics is ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A switch controller of single-phase and three-phase equipment is characterized in that: the intelligent control system comprises an electronic switch, a mechanical switch, a CPU and load equipment, wherein the electronic switch is connected with the input end of the CPU, and the output end of the CPU is connected with the load equipment through the mechanical switch.

2. The switch controller of a single-phase, three-phase device of claim 1, wherein: the electronic switch adopts a thyristor.

3. The switch controller of a single-phase, three-phase device of claim 1, wherein: the mechanical switch adopts an electromagnetic control mechanical switch.

4. The switch controller of a single-phase, three-phase device of claim 1, wherein: the load device comprises a motor, a heating device and a lighting device.