CN205564576U - An electromagnetic locking device controlled by a stepping motor - Google Patents

Abstract

The utility model discloses an electromagnetism blocking device by step motor control, including high voltage circuit breaker, high voltage isolator, 35kV generating line, activity hinge, fixed hinge support, intermediate lever, transmission connecting rod, power unit, locking piece, lock core, electro-magnet, step motor, plug, socket, power station DC power supply and low voltage circuit breaker, 35kV generating line downside is equipped with high voltage isolator, the high voltage isolator downside is equipped with high voltage circuit breaker, the high voltage circuit breaker right side is equipped with low voltage circuit breaker, power station DC power supply is installed to the low voltage circuit breaker downside, plug and socket are installed to the upper right side of power station DC power supply, plug and socket upside are equipped with the lock core, the electro-magnet is installed on the lock core right side. The electromagnetic locking device is reliable in locking, safer in secondary isolation with the high-voltage side of a power grid, and capable of automatically controlling the input and the exit of electromagnetism, monitoring in real time and the like.

Description

An electromagnetic locking device controlled by a stepping motor

technical field

The utility model relates to the field of switching electrical locking, in particular to an electromagnetic locking device controlled by a stepping motor.

Background technique

In the era when the networked operation of the modern power grid has become an inevitable trend, if the operation regulations are violated to pull and close the disconnector with load, it will cause serious consequences. Therefore, the power distribution device must have the "five defenses" function, and there should be a special locking device for the isolating switch to prevent misoperation of the isolating switch. Locking devices are generally divided into three types: mechanical, electrical, and computer. On the basis of the above three methods, the electric locking device of the utility model has the advantages of low cost, simple structure, unique control mode, reliable locking, safer secondary isolation from the high-voltage side of the power grid, automatic control of electromagnetic input and exit, real-time Advantages of supervision.

Utility model content

The purpose of this utility model is to provide an electromagnetic locking device controlled by a stepping motor to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solution: an electromagnetic locking device controlled by a stepping motor, including a high-voltage circuit breaker, a high-voltage isolating switch, a 35kV bus bar, a movable hinge, a fixed hinge support, an intermediate rod, and a transmission connecting rod , power mechanism, lock block, lock cylinder, electromagnet, stepper motor, plug, socket, power station DC power supply and low-voltage circuit breaker. A high-voltage circuit breaker, a low-voltage circuit breaker is provided on the right side of the high-voltage circuit breaker, a power station DC power supply is installed on the lower side of the low-voltage circuit breaker, a plug and a socket are installed on the upper right side of the power station DC power supply, and the upper side of the plug and socket A lock core is provided, an electromagnet is installed on the right side of the lock core, a stepping motor is installed on the right side of the electromagnet, a lock block is set on the left side of the lock core, and a power mechanism is set on the upper side of the lock block, The left side of the power mechanism is provided with a transmission connecting rod, the upper left side of the transmission connecting rod is provided with an intermediate rod, the left side of the intermediate rod is provided with a fixed hinge support, and the upper left side of the fixed hinge support is provided with a movable hinge.

Preferably, the power mechanism is connected to the lock cylinder through a lock block, and an electromagnet is arranged on the right side of the lock cylinder.

Preferably, a precision linear displacement sensor is provided on the lower side of the stepping motor.

Preferably, an intermediate rod is provided between the fixed hinge support and the transmission link, and a power mechanism is provided on the right side of the transmission link.

Preferably, a ball screw pair is arranged between the electromagnet and the stepping motor.

Compared with the prior art, the beneficial effect of the utility model is that the electromagnetic locking device has the advantages of low cost, simple structure, unique control mode, reliable locking, safer secondary isolation from the high-voltage side of the power grid, and automatic control of electromagnetic input and Exit, the analog output of the precision linear displacement sensor can be fed back to the control system of the stepper motor, and can also be monitored in real time for this feedback point.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. High-voltage circuit breaker, 2. High-voltage isolating switch, 3. 35kV busbar, 4. Movable hinge, 5. Fixed hinge support, 6. Intermediate rod, 7. Transmission connecting rod, 8. Power mechanism, 9. Lock block, 10, lock cylinder, 11, electromagnet, 12, stepping motor, 13, plug, 14, socket, 15, DC power supply of power station, 16, low-voltage circuit breaker.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, the utility model provides a technical solution: an electromagnetic locking device controlled by a stepping motor, including a high-voltage circuit breaker 1, a high-voltage isolating switch 2, a 35kV bus bar 3, a movable hinge 4, and a fixed hinge support 5 , intermediate rod 6, transmission connecting rod 7, power mechanism 8, lock block 9, lock cylinder 10, electromagnet 11, stepping motor 12, plug 13, socket 14, power station DC power supply 15 and low-voltage circuit breaker 16, 35kV busbar 3 The lower side is provided with a high-voltage isolating switch 2, the lower side of the high-voltage isolating switch 2 is provided with a high-voltage circuit breaker 1, and the right side of the high-voltage circuit breaker 1 is provided with a low-voltage circuit breaker 16. Power source 15 upper right side is equipped with plug 13 and socket 14, and plug 13 and socket 14 upper sides are provided with lock core 10, and lock core 10 right side is equipped with electromagnet 11, and electromagnet 11 right side is equipped with stepper motor 12, stepping The lower side of the motor 12 is provided with a precision linear displacement sensor, which can precisely position the stroke of the electromagnet 11 and feed it back to the control system of the stepper motor 12 for real-time monitoring. A ball screw pair is arranged between the electromagnet 11 and the stepper motor 12. The rotation angle of the stepper motor 12 can be converted into an axial displacement to control the stroke of the electromagnet 11. A lock block 9 is arranged on the left side of the lock core 10, and a power mechanism 8 is arranged on the upper side of the lock block 9. The power mechanism 8 passes through the lock block 9 It is connected with the lock cylinder 10, and the right side of the lock cylinder 10 is provided with an electromagnet 11, which can realize the automatic transmission of power. The transmission link 7 is arranged on the side, the upper left side of the transmission link 7 is provided with an intermediate rod 6, the left side of the intermediate rod 6 is provided with a fixed hinge support 5, the upper left side of the fixed hinge support 5 is provided with a movable hinge 4, and the fixed hinge support 5 and the transmission link 7 is provided with an intermediate rod 6, and the right side of the transmission link 7 is provided with a power mechanism 8, which can realize the smooth motion transmission of power.

Working principle: The electric lock is used to lock the rotating part of the operating mechanism, that is, the lock cylinder 10 locks the operating mechanism under the pressure of the spring so that the handle cannot be rotated. When the high-voltage isolating switch 2 needs to be operated, the circuit breaker must be in the opening position, and its auxiliary contact low-voltage isolating switch is closed to supply power to the socket 14. The control system controls the axial displacement of the stepping motor 12, and the electromagnet 11 is inserted into the lock cylinder 12. , and suck it out, the lock is opened, the isolating switch can be operated, and a switch is formed to feed back the corresponding state to the monitoring system.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (5)

1. An electromagnetic locking device controlled by a stepping motor is characterized in that it comprises a high-voltage circuit breaker (1), a high-voltage isolating switch (2), a 35kV busbar (3), a movable hinge (4), a fixed hinge support ( 5), intermediate rod (6), transmission connecting rod (7), power mechanism (8), lock block (9), lock cylinder (10), electromagnet (11), stepper motor (12), plug (13 ), socket (14), power station DC power supply (15) and low-voltage circuit breaker (16), it is characterized in that: described 35kV bus bar (3) lower side is provided with high-voltage isolating switch (2), and described high-voltage isolating switch (2 ) is provided with a high-voltage circuit breaker (1) on the lower side, a low-voltage circuit breaker (16) is provided on the right side of the high-voltage circuit breaker (1), and a power station DC power supply (15) is installed on the lower side of the low-voltage circuit breaker (16), A plug (13) and a socket (14) are installed on the upper right side of the power station DC power supply (15), and a lock cylinder (10) is provided on the plug (13) and the socket (14) upper side, and the lock cylinder (10) Electromagnet (11) is installed on the right side, and stepper motor (12) is installed on the right side of described electromagnet (11), described lock core (10) left side is provided with lock block (9), and described lock block ( 9) A power mechanism (8) is arranged on the upper side, a transmission link (7) is arranged on the left side of the power mechanism (8), and an intermediate rod (6) is arranged on the upper left side of the transmission link (7). A fixed hinge support (5) is provided on the left side of the middle rod (6), and a movable hinge (4) is provided on the upper left side of the fixed hinge support (5). 2. An electromagnetic locking device controlled by a stepping motor according to claim 1, characterized in that: the power mechanism (8) is connected to the lock cylinder (10) through a lock block (9), and the lock An electromagnet (11) is arranged on the right side of the core (10). 3. An electromagnetic locking device controlled by a stepping motor according to claim 1, characterized in that: a precise linear displacement sensor is arranged on the lower side of the stepping motor (12). 4. An electromagnetic locking device controlled by a stepping motor according to claim 1, characterized in that: an intermediate rod (6) is arranged between the fixed hinge support (5) and the transmission connecting rod (7) , the right side of the transmission link (7) is provided with a power mechanism (8). 5. An electromagnetic locking device controlled by a stepping motor according to claim 1, characterized in that: a ball screw pair is arranged between the electromagnet (11) and the stepping motor (12).