CN215344425U

CN215344425U - Asynchronous motor control equipment with throttling protection structure

Info

Publication number: CN215344425U
Application number: CN202120747033.8U
Authority: CN
Inventors: 林立; 柏明科; 刘凡
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-28
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses asynchronous motor control equipment with a throttling protection structure, which comprises a box body and a front panel, wherein heat radiating fins are arranged above the box body, the front panel is arranged on one side of the box body, fixing plates are fixed on two sides of the front panel, a first fixing screw hole is formed in each fixing plate, fixing bolts are arranged at two ends of each front panel, a current input interface is arranged in the middle of each front panel, an indicator lamp is arranged on the right side of each current input interface, an electric signal exchange interface is arranged below each indicator lamp, a cable socket is arranged in each electric signal exchange interface, one end of each cable socket is connected with a PCB, sliding grooves are formed in two sides of each PCB, and a voltage stabilizing chip is arranged at the left end of each PCB. This asynchronous machine controlgear with throttle protection architecture is provided with the front panel and passes through the bolt fastening last, conveniently dismantles and clears up the maintenance, reduces the maintenance cost.

Description

Asynchronous motor control equipment with throttling protection structure

Technical Field

The utility model relates to the technical field of motor control equipment, in particular to asynchronous motor control equipment with a throttling protection structure.

Background

The induction motor is also called as an asynchronous motor (asynchronoustor), that is, the rotor is placed in a rotating magnetic field, and under the action of the rotating magnetic field, a rotating torque is obtained, so that the rotor rotates. Unlike dc motors having brushes or slip rings, such motors include single-phase motors used in washing machines, electric fans, etc. and three-phase motors depending on the kind of ac power used; the three-phase motor is used as power equipment of a factory.

The asynchronous motor control equipment provided with the throttling protection structure on the market generally monitors and transmits current only in use, displays the flowing current, cannot control the stability of the current, is only provided with control components inside some control equipment, lacks a protection structure, and lacks the anti-interference capacity for the flowing current and an external magnetic field, and therefore the asynchronous motor control equipment provided with the throttling protection structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide asynchronous motor control equipment with a throttling protection structure, and aims to solve the problems that the asynchronous motor control equipment with the throttling protection structure in the market, which is provided by the background art, generally only monitors and transmits current in use, displays the size of the flowing current, cannot control the stability of the current, and some control equipment only has control components inside, lacks a protection structure, and lacks the anti-interference capability on the flowing current and an external magnetic field.

In order to achieve the purpose, the utility model provides the following technical scheme: an asynchronous motor control device with a throttling protection structure comprises a box body and a front panel, wherein heat radiating fins are arranged above the box body, the front panel is arranged on one side of the box body, fixing plates are fixed on two sides of the front panel, a first fixing screw hole is formed in the fixing plates, fixing bolts are arranged at two ends of the front panel, a current input interface is arranged in the middle of the front panel, an indicator lamp is arranged on the right side of the current input interface, an electric signal exchange interface is arranged below the indicator lamp, a cable socket is arranged in the electric signal exchange interface, one end of the cable socket is connected with a PCB (printed circuit board), sliding grooves are formed in two sides of the PCB, a voltage stabilizing chip is arranged at the left end of the PCB, a single chip microcomputer is arranged on the right side of the voltage stabilizing chip, an output cable is connected behind the voltage stabilizing chip, and a shielding cover is arranged in the box body, and a second fixing screw hole is fixed on the inner side of the shielding cover.

Preferably, the front panel passes through and constitutes detachable construction between fixed bolt and the fixed screw of second and the box body, and is threaded connection between front panel and the box body.

Preferably, the fixing plate is fixedly connected with the front panel, the first fixing screw hole penetrates through the fixing plate, and the fixing plate is symmetrical about the central axis of the front panel.

Preferably, the pilot lamp is equidistance evenly distributed along the right-hand member of front panel, and the pilot lamp coincides with the axis position of signal exchange interface.

Preferably, constitute the connectivity between output cable and the box body, and output cable runs through in the surface of box body to output cable is equidistance evenly distributed along the left side rear surface of box body.

Preferably, a sliding structure is formed between the PCB and the sliding groove, and the central axis positions of the PCB and the sliding groove are overlapped.

Preferably, the end face structure of the shielding cover is a hollowed-out net structure, the shielding cover is symmetrical about the horizontal central axis of the box body, and a semi-surrounding structure is formed between the shielding cover and the PCB.

Compared with the prior art, the utility model has the beneficial effects that: this asynchronous machine controlgear with throttle protection architecture is provided with the front panel and passes through the bolt fastening last, conveniently dismantles and clears up the maintenance, reduces the maintenance cost, and is convenient for carry out electrified test to the voltage electric current, and the fixed plate is convenient for fix the box body on the working face, provides more mounting means, makes this equipment application scope wider, improves the practicality, and the pilot lamp is used for showing current input and signal exchange's state, and the equipment operating condition is in time fed back, is favorable to the control to control work.

Output cable can be directly with current transmission to the motor after the steady voltage, avoid voltage instability to the damage and the energy loss of motor, work efficiency has been improved, energy cost and equipment cost have been practiced thrift, the PCB board can be directly taken out from the spout, convenient maintenance and change, reduce the maintenance cost, the shield cover is used for shielding the electromagnetic interference that outside electric current passes through and around electrical apparatus during operation produces, it is not disturbed to protect inside components and parts work, reduce the risk that components and parts arouse the fire because of the electric current that electromagnetic induction leads to is too big.

Drawings

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

FIG. 2 is a schematic rear perspective view of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention.

FIG. 4 is a schematic cross-sectional front view of the present invention.

In the figure: 1. a box body; 2. a front panel; 3. heat dissipation fins; 4. a fixing plate; 5. a first fixing screw hole; 6. fixing the bolt; 7. a current input interface; 8. an indicator light; 9. an electrical signal exchange interface; 10. a cable socket; 11. an output cable; 12. a PCB board; 13. a voltage stabilization chip; 14. a chute; 15. a second fixing screw hole; 16. a single chip microcomputer; 17. a shield can.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-4, the present invention provides a technical solution: an asynchronous motor control device with a throttling protection structure comprises a box body 1 and a front panel 2, wherein heat radiating fins 3 are arranged above the box body 1, the front panel 2 is installed on one side of the box body 1, fixing plates 4 are fixed on two sides of the front panel 2, a first fixing screw hole 5 is formed in each fixing plate 4, fixing bolts 6 are installed at two ends of each front panel 2, a current input interface 7 is arranged in the middle of each front panel 2, an indicator lamp 8 is arranged on the right side of each current input interface 7, an electric signal exchange interface 9 is arranged below each indicator lamp 8, a cable socket 10 is arranged in each electric signal exchange interface 9, one end of each cable socket 10 is connected with a PCB 12, sliding grooves 14 are formed in two sides of each PCB 12, a voltage stabilizing chip 13 is installed at the left end of each PCB 12, a single chip microcomputer 16 is installed on the right side of each voltage stabilizing chip 13, and an output cable 11 is connected behind each voltage stabilizing chip 13, the inside of box body 1 is provided with shield cover 17, and the inboard of shield cover 17 is fixed with second fixed screw 15.

In the utility model: the front panel 2 forms a detachable structure with the box body 1 through the fixing bolt 6 and the second fixing screw hole 15, and the front panel 2 is in threaded connection with the box body 1; front panel 2 passes through the bolt fastening on box body 1, and convenient the dismantlement is cleared up and is overhauld, reduces the maintenance cost, and is convenient for carry out electrified test to voltage electric current.

In the utility model: the fixing plate 4 is fixedly connected with the front panel 2, the first fixing screw hole 5 penetrates through the fixing plate 4, and the fixing plate 4 is symmetrical about the central axis of the front panel 2; the fixed plate 4 is convenient for fix box body 1 on the working face, provides more mounting means, makes this equipment application scope wider, improves the practicality.

In the utility model: the indicating lamps 8 are uniformly distributed along the right end of the front panel 2 at equal intervals, and the positions of the indicating lamps 8 and the central axis of the electric signal exchange interface 9 are superposed; the indicator light 8 is used for displaying the states of current input and electric signal exchange, and feeding back the working state of the equipment in time, thereby being beneficial to monitoring the control work.

In the utility model: a communication structure is formed between the output cables 11 and the box body 1, the output cables 11 penetrate through the outer surface of the box body 1, and the output cables 11 are uniformly distributed along the rear surface of the left side of the box body 1 at equal intervals; the output cable 11 can directly transmit the current after voltage stabilization to the motor, thereby avoiding the damage and energy loss of the motor caused by unstable voltage, improving the working efficiency and saving the energy cost and the equipment cost.

In the utility model: a sliding structure is formed between the PCB 12 and the sliding groove 14, and the central axis positions of the PCB 12 and the sliding groove 14 are overlapped; the PCB 12 can be directly drawn out of the sliding groove 14, so that the maintenance and the replacement are convenient, and the maintenance cost is reduced.

In the utility model: the end face structure of the shielding cover 17 is a hollowed-out net structure, the shielding cover 17 is symmetrical about the horizontal central axis of the box body 1, and a semi-enclosed structure is formed between the shielding cover 17 and the PCB 12; the shielding cover 17 is used for shielding electromagnetic interference generated when external current passes through and peripheral electrical appliances work, protecting internal components from interference during work, and reducing the risk of fire caused by overlarge current caused by electromagnetic induction of the components.

The working principle is as follows: for the asynchronous motor control equipment with the throttling protection structure, firstly, the box body 1 is placed on a horizontal stable working surface, or the fixing plate 4 is fixed on a wall surface with an opening through the first fixing screw hole 5, so that the box body 1 can work stably, then the anode and the cathode of an electrified cable are connected into the current input interface 7, the indicator light 8 displays the current passing condition, then the electric wire can be connected into the cable socket 10 through the electric signal exchange interface 9, the internal data is monitored in real time through the singlechip 16, the current which flows in is released from the anode, the cathode and the ground of the output cable 11 after being stabilized by the voltage stabilizing chip 13 (model: Hua Mei HM 2743), the heat generated during the work is dissipated by the heat dissipation fins 3 to avoid the equipment overheating, finally, when the equipment is overhauled, the fixing bolt 6 on the front panel 2 can be unscrewed from the second fixing screw hole 15, the PCB 12 is extracted from the sliding chute 14, overhaul, the shield cover 17 that sets up in the box body 1 can effectively shield the electromagnetic effect that the electric current produced through, and protective apparatus steady operation reduces external disturbance.

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. The utility model provides an asynchronous machine controlgear with throttle protection architecture, includes box body (1) and front panel (2), its characterized in that: the heat dissipation device is characterized in that heat dissipation fins (3) are arranged above the box body (1), a front panel (2) is installed on one side of the box body (1), fixing plates (4) are fixed on two sides of the front panel (2), a first fixing screw hole (5) is formed in the fixing plates (4), fixing bolts (6) are installed at two ends of the front panel (2), a current input interface (7) is arranged in the middle of the front panel (2), an indicator lamp (8) is arranged on the right side of the current input interface (7), an electric signal exchange interface (9) is arranged below the indicator lamp (8), a cable socket (10) is arranged in the electric signal exchange interface (9), a PCB (12) is connected to one end of the cable socket (10), sliding grooves (14) are formed in two sides of the PCB (12), and a voltage stabilizing chip (13) is installed at the left end of the PCB (12), singlechip (16) are installed on the right side of steady voltage chip (13), and steady voltage chip (13) rear is connected with output cable (11), the inside of box body (1) is provided with shield cover (17), and the inboard of shield cover (17) is fixed with the fixed screw of second (15).

2. The asynchronous motor control device provided with a throttle protection structure according to claim 1, characterized in that: front panel (2) pass through between fixed bolt (6) and second fixed screw (15) and box body (1) constitute detachable construction, and be threaded connection between front panel (2) and box body (1).

3. The asynchronous motor control device provided with a throttle protection structure according to claim 1, characterized in that: be fixed connection between fixed plate (4) and front panel (2), and first fixed screw (5) run through in the inside of fixed plate (4) to fixed plate (4) are symmetrical about the axis position of front panel (2).

4. The asynchronous motor control device provided with a throttle protection structure according to claim 1, characterized in that: indicator light (8) are equidistance evenly distributed along the right-hand member of front panel (2), and the axis position coincidence of indicator light (8) and signal exchange interface (9).

5. The asynchronous motor control device provided with a throttle protection structure according to claim 1, characterized in that: constitute the intercommunication structure between output cable (11) and box body (1), and output cable (11) run through in the surface of box body (1) to output cable (11) are equidistance evenly distributed along the left side rear surface of box body (1).

6. The asynchronous motor control device provided with a throttle protection structure according to claim 1, characterized in that: a sliding structure is formed between the PCB (12) and the sliding groove (14), and the central axis positions of the PCB (12) and the sliding groove (14) are overlapped.

7. The asynchronous motor control device provided with a throttle protection structure according to claim 1, characterized in that: the end face structure of the shielding cover (17) is a hollowed-out net structure, the shielding cover (17) is symmetrical about the horizontal central axis of the box body (1), and a semi-surrounding structure is formed between the shielding cover (17) and the PCB (12).