CN220210272U - Protection device for electric autotransformer - Google Patents

Abstract

The utility model discloses a protection device for electric self-coupling, and relates to the technical field of power distribution safety appliances. The utility model comprises a shell, an upper cover, an external wiring socket and a singlechip, wherein the upper side wall of the shell is connected with the upper cover through a bolt, an early warning component is embedded on the front side wall of the shell, a buzzer and an alarm lamp are arranged on the early warning component, the external wiring socket is embedded on the side wall of the left end and the right end of the shell, the singlechip is fixedly arranged on the shell, an internal wiring component is arranged at the position, opposite to the external wiring socket, of the singlechip, and wire breaking components are arranged at the four corners of the internal wiring component. According to the utility model, the whole device is controlled by utilizing the singlechip, and when the equipment is started overtime, the power supply of the equipment is automatically cut off through the wire breaking assembly, and then the early warning assembly continuously works, so that the remote warning work can be performed, and meanwhile, the guiding work of the fault equipment can be performed for an maintainer.

Description

Protection device for electric autotransformer

Technical Field

The utility model belongs to the technical field of power distribution safety appliances, and particularly relates to a protection device for electric self-coupling.

Background

The power distribution room is the most common department in the mill, the power distribution room mainly distributes power for electrical equipment in the mill, ensures that the electrical equipment of each department can normally and continuously run, and along with the development of times and science and technology, the existing power distribution room is basically unattended, can realize automatic running, only needs to enter the power distribution room when an emergency occurs, equipment facilities in the power distribution room basically adopt an auto-coupling voltage-reducing control system to control the starting of a motor, and when the auto-coupling voltage-reducing system is started in the control of the equipment facilities, if faults occur, the auto-coupling coil in the auto-coupling voltage-reducing system generates heat, and the phenomenon is seriously damaged, but the auto-coupling voltage-reducing system still has the following defects in actual use:

the existing distribution room is an unattended distribution room, part of equipment and facilities adopt an autotransformer voltage reduction control system to control the starting of a motor, and faults in the starting process can cause the autotransformer coil to heat and burn out, so that the normal operation of safety or environmental protection facilities is affected, accidents are caused, even the distribution room is caused to fire, and larger safety or environmental protection accidents are caused;

the existing distribution room is unattended, when faults and accidents occur, the faults cannot be found and eliminated in time, or the accidents are disposed of at the first time, so that the potential safety hazards exist.

Therefore, the existing facilities with the auto-buck control system in the distribution room cannot meet the requirements in practical use, so there is a strong need for improved technology in the market to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an electric self-coupling protection device, which is characterized in that a singlechip is used for controlling the whole device, when equipment is started overtime, the power supply of the equipment is automatically cut off through a wire breaking assembly, and then an early warning assembly continuously works, so that remote warning work can be performed, meanwhile, the guiding work of fault equipment can be performed for an maintainer, and the problem of equipment facilities with a self-coupling voltage reduction control system in the existing distribution room is solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a protection device for electric autotransformer, which comprises a shell, an upper cover, an external wiring socket and a singlechip, wherein the upper side wall of the shell is connected with the upper cover through bolts, an early warning component is embedded on the front side wall of the shell, a buzzer and an alarm lamp are arranged on the early warning component, the external wiring socket is embedded on the side wall of the left end and the right end of the shell, the singlechip is fixedly arranged on the shell, an internal wiring component is arranged on the singlechip at the position opposite to the external wiring socket, and wire breaking components are arranged at the four corners of the internal wiring component;

the wiring board in the internal wiring assembly is clamped on the carrying board, an elastic wire is welded on one side of the wiring board, which is close to the singlechip, and the elastic wire is connected with the singlechip through a wiring terminal, and an inserting head is welded on the other side of the wiring board;

four corners of the carrying plate in the wire breaking assembly are connected with the electric telescopic rod through the connecting rings, and springs are sleeved on the outer wall of the electric telescopic rod.

Further, the storage battery is assembled in the singlechip, the singlechip is electrically connected with the buzzer and the alarm lamp in the early warning assembly respectively through wires, and the alarm lamp is arranged at the side of the buzzer.

Further, the external wire jack is a double-end plug interface, one side of the external wire jack is connected with the power wire through a plug, and the other side of the external wire jack is connected with the singlechip through a plug connector.

Further, the binding post in the internal wiring assembly is fixedly welded on the outer wall of the singlechip, the outer wall of the middle part of the wiring board is connected with the clamping ring through a bolt, and the wiring board is connected with the clamping groove arranged on the carrying board through the clamping ring in a clamping way.

Further, four corners of the carrying plate are connected with the connecting rings through bolts, the connecting rings are in threaded connection with the side wall of the telescopic tail end of the electric telescopic rod, and the side wall of the other end of the electric telescopic rod is fixedly arranged on the inner wall of the shell through the fixing blocks.

Further, one end side wall of the spring is connected with the adapter ring in a hanging mode, and the other end side wall of the spring is connected with the fixing block on the tail end of the electric telescopic rod in a hanging mode.

The utility model has the following beneficial effects:

according to the utility model, the singlechip and the wire breaking assembly are arranged, the starting time of equipment is timely carried out by the singlechip, when the starting time reaches the starting time limit value of the autotransformer, the wire breaking assembly works, and when the starting time limit value of the autotransformer reaches the starting time limit value, the electric telescopic rod in the wire breaking assembly disappears due to power failure, the spring is in an extrusion state again, and then the carrying plate on the tail end of the spring is pulled to move in a direction close to one side of the singlechip under the action of the rebound force of the spring, namely, the plug connector on the wiring board on the carrying plate is separated from the external wire jack on the shell, the power can be cut off, the starting circuit is cut off, the equipment keeps in a fault state all the time, and the equipment can be reset and restarted after the equipment is checked and confirmed to be normal.

The utility model is characterized in that the early warning component is mainly composed of the buzzer and the warning lamp, and is connected with the control terminal of the main machine room through the wireless network, so that the faults can be integrated, summarized and reported at the first time when the faults occur, and meanwhile, the buzzer and the warning lamp in the early warning component work to provide the effect of positioning the fault equipment for the maintainer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an electrical self-coupling protection device;

FIG. 2 is a structural semi-sectional view of an electrical self-coupling protection device;

fig. 3 is an exploded view of the structure of the inner wire connecting assembly and the wire breaking assembly.

In the drawings, the list of components represented by the various numbers is as follows:

1. a housing; 2. an upper cover; 3. an early warning component; 301. a buzzer; 302. an alarm lamp; 4. an external wire jack; 5. a single chip microcomputer; 6. an inner wiring assembly; 601. a wiring board; 6011. a clamping ring; 602. a plug; 603. an elastic wire; 604. binding posts; 7. a wire breaking assembly; 701. a mounting board; 7011. a clamping groove; 702. a connecting ring; 703. an electric telescopic rod; 704. and (3) a spring.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 to 3, the utility model discloses an electric self-coupling protection device, which comprises a housing 1, an upper cover 2, an external wiring socket 4 and a single chip microcomputer 5, wherein the upper side wall of the housing 1 is connected with the upper cover 2 through bolts, an early warning component 3 is embedded on the front side wall of the housing 1, a buzzer 301 and an alarm lamp 302 are arranged on the early warning component 3, the external wiring socket 4 is embedded on the side walls of the left and right ends of the housing 1, the single chip microcomputer 5 is fixedly arranged on the housing 1, an internal wiring component 6 is arranged on the position, opposite to the external wiring socket 4, of the single chip microcomputer 5, and wire breaking components 7 are arranged at four corners of the internal wiring component 6;

the wiring board 601 in the internal wiring assembly 6 is clamped on the carrying board 701, an elastic wire 603 is welded on one side of the wiring board 601 close to the singlechip 5, the elastic wire 603 is connected with the singlechip 5 through a binding post 604, and a plug 602 is welded on the other side of the wiring board 601;

four corners of the carrying plate 701 in the wire breaking assembly 7 are connected with the electric telescopic rod 703 through the connecting rings 702, and springs 704 are sleeved on the outer walls of the electric telescopic rod 703.

As shown in fig. 1 to 2, a storage battery is assembled in the single chip microcomputer 5, the single chip microcomputer 5 is respectively and electrically connected with a buzzer 301 and an alarm lamp 302 in the early warning assembly 3 through wires, and the alarm lamp 302 is arranged beside the buzzer 301; specifically, during an alarm, the alarm lamp 302 flashes in three colors of red, yellow and blue, and the buzzer 301 generates an alarm sound; the external connection jack 4 is a double-end plug interface, one side of the external connection jack 4 is connected with a power line through a plug, and the other side of the external connection jack 4 is connected with the singlechip 5 through a plug connector 602.

As shown in fig. 1 and 3, the binding post 604 in the internal wiring assembly 6 is fixedly welded on the outer wall of the single chip microcomputer 5, the outer wall of the middle part of the wiring board 601 is connected with the clamping ring 6011 through a bolt, and the wiring board 601 is in clamping connection with the clamping groove 7011 formed on the carrying board 701 through the clamping ring 6011; specifically, when wiring board 601 is mounted on mounting board 701, mounting board 701 can perform a mounting effect on wiring board 601; four corners of the carrying plate 701 are connected with the connecting rings 702 through bolts, the connecting rings 702 are in threaded connection with the side walls of the telescopic tail ends of the electric telescopic rods 703, and the side walls of the other ends of the electric telescopic rods 703 are fixedly arranged on the inner wall of the shell 1 through fixing blocks; specifically, the adapter ring 702 can play a role in connecting the carrying plate 701 and the electric telescopic rod 703; one end side wall of the spring 704 is connected with the adapter ring 702 in a hanging way, and the other end side wall of the spring 704 is connected with a fixed block on the tail end of the electric telescopic rod 703 in a hanging way.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (6)

1. The utility model provides an electric self-coupling protection device, includes shell (1), upper cover (2), external line socket (4) and singlechip (5), its characterized in that: the upper side wall of the shell (1) is connected with the upper cover (2) through a bolt, an early warning component (3) is embedded on the front side wall of the shell (1), a buzzer (301) and an alarm lamp (302) are installed on the early warning component (3), an external wire inserting opening (4) is embedded on the side wall of the left end and the right end of the shell (1), a singlechip (5) is fixedly installed on the shell (1), an internal wire connecting component (6) is installed at the position, opposite to the external wire inserting opening (4), of the singlechip (5), and wire breaking components (7) are arranged at four corners of the internal wire connecting component (6);

the wiring board (601) in the internal wiring assembly (6) is clamped on the carrying board (701), an elastic wire (603) is welded on one side, close to the singlechip (5), of the wiring board (601), the elastic wire (603) is connected with the singlechip (5) through a binding post (604), and a plug connector (602) is welded on the other side of the wiring board (601);

four corners of a carrying plate (701) in the wire breaking assembly (7) are connected with an electric telescopic rod (703) through a connecting ring (702), and a spring (704) is sleeved on the outer wall of the electric telescopic rod (703).

2. The protection device for electrical autotransformer of claim 1, wherein: the single-chip microcomputer (5) is internally provided with a storage battery, the single-chip microcomputer (5) is electrically connected with the buzzer (301) and the alarm lamp (302) in the early warning assembly (3) through wires respectively, and the alarm lamp (302) is arranged beside the buzzer (301).

3. The protection device for electrical autotransformer of claim 1, wherein: the external wire jack (4) is a double-head plug interface, one side of the external wire jack (4) is connected with a power wire through a plug, and the other side of the external wire jack (4) is connected with the singlechip (5) through a plug connector (602).

4. The protection device for electrical autotransformer of claim 1, wherein: terminal (604) in interior wiring subassembly (6) are fixed to be welded on the outer wall of singlechip (5), the middle part outer wall of wiring board (601) is connected with joint circle (6011) through the bolt, and wiring board (601) are connected with joint groove (7011) joint of seting up on carrying board (701) through joint circle (6011).

5. The protection device for electrical autotransformer of claim 4, wherein: four corners of the carrying plate (701) are connected with the connecting rings (702) through bolts, the connecting rings (702) are in threaded connection with the side wall of the telescopic tail end of the electric telescopic rod (703), and the side wall of the other end of the electric telescopic rod (703) is fixedly arranged on the inner wall of the shell (1) through a fixing block.

6. The electrical self-coupling protection device of claim 5, wherein: one end side wall of the spring (704) is connected with the adapter ring (702) in a hanging mode, and the other end side wall of the spring (704) is connected with a fixed block on the tail end of the electric telescopic rod (703) in a hanging mode.