Automatic protection switch for power distribution equipment

Abstract

The utility model discloses an automatic protection switch for power distribution equipment, which relates to the field of protection switches and comprises a power distribution cabinet main body, positioning mechanisms are fixedly arranged on the periphery of the top surface of the power distribution cabinet main body, and mounting plates are fixedly arranged at the tops of the positioning mechanisms. According to the utility model, through the arrangement of the main automatic protection switch and the standby automatic protection switch, the joint mechanism is connected with the main controller, so that the main controller can control the on-off of the main automatic protection switch, the current sensor senses the passing current of the main circuit, and when the current is too large, the main controller controls the on-off of the main automatic protection switch to cut off the circuit; and when the main automatic protection switch is damaged and needs to be maintained, the standby automatic protection switch is connected with the main controller, and the standby automatic protection switch can protect the power distribution equipment at the moment, so that the situation that the power distribution equipment needs to be cut off when the switch is maintained, and normal power distribution use is influenced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of protection switches, in particular to an automatic protection switch for power distribution equipment. Background Art

[0002] Distribution equipment is a general term for distribution cabinets, switch boxes, control boxes and other equipment in the power system. The automatic protection switch of distribution equipment is an electrical protection device, which is mainly used to protect circuits and electrical equipment from damage due to overload, short circuit and leakage current.

[0003] Traditional automatic protection switches for power distribution equipment require the power distribution equipment to be disconnected and the automatic protection switch to be maintained when the switch is damaged or needs maintenance. This will cause the power distribution equipment to be unusable, thus affecting normal power supply.

[0004] Therefore, it is necessary to urgently need an automatic protection switch for power distribution equipment to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic protection switch for power distribution equipment to solve the problem proposed in the above-mentioned background technology that when the switch is damaged or needs to be repaired, the power distribution equipment needs to be cut off and the automatic protection switch needs to be maintained, which will cause the power distribution equipment to be unusable and affect the normal power supply.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic protection switch for power distribution equipment, comprising a power distribution cabinet body, positioning mechanisms are fixedly arranged on all four sides of the top surface of the power distribution cabinet body, a mounting plate is fixedly arranged on the top of the positioning mechanism, a current sensor is fixedly installed on one side of the top surface of the mounting plate, a main line is arranged inside the current sensor, one end of the main line is electrically connected to a main controller, one side of the main controller is electrically connected to two groups of connector mechanisms, one side of one group of the connector mechanisms is electrically connected to a main automatic protection switch, and one side of the other group of the connector mechanisms is electrically connected to a backup automatic protection switch, one side of the main automatic protection switch and the backup automatic protection switch are both electrically connected to an alarm mechanism, and a dust net is fixedly installed on the top surface of the mounting plate.

[0007] Preferably, the positioning mechanism includes a positioning tube fixedly arranged around the top surface of the distribution cabinet body, and the positioning tube is movably provided with a positioning pin inside. The positioning pin is inserted into the positioning tube to quickly position the mounting plate on the top surface of the distribution cabinet body, and then the mounting bolts are tightened to fix the mounting plate, which is convenient for personnel to quickly install.

[0008] Preferably, mounting screw holes are arranged around the top surface of the mounting plate, mounting bolts are movably arranged inside the mounting screw holes, threaded holes are arranged around the top surface of the power distribution cabinet body, the threaded holes are adapted to the mounting bolts, and the mounting bolts are screwed to fix the mounting plate to the top surface of the power distribution cabinet body.

[0009] Preferably, the connector mechanism includes a line connector electrically connected to one side of the main controller, one end of the line connector is electrically connected to a power line, and the line connector is connected to the main controller, so that the controller is connected to the main automatic protection switch and the backup automatic protection switch.

[0010] Preferably, the alarm mechanism includes an alarm controller electrically connected to one side of the main automatic protection switch and the backup automatic protection switch, and one side of the alarm controller is electrically connected to an alarm. When the current sensor senses an overload current and the switch is closed, the alarm is controlled by the alarm controller 1 to promptly sound an alarm, reminding the staff to perform maintenance in a timely manner to avoid damage to the power distribution equipment.

[0011] Preferably, fixing screw holes are arranged around the top surface of the alarm, and fixing bolts are movably arranged inside the fixing screw holes, and the fixing bolts are used to fix the alarm to the top surface of the power distribution cabinet body.

[0012] Preferably, one side of the main line is electrically connected to the main body of the distribution cabinet, and the other sides of the main automatic protection switch and the backup automatic protection switch are electrically connected to the control line, and the control line is electrically connected to the main body of the distribution cabinet. The main automatic protection switch and the backup automatic protection switch are used to control the opening and closing of the main line and the control line.

[0013] Technical effects and advantages of the utility model:

[0014] 1. Through the setting of the main automatic protection switch and the backup automatic protection switch, the joint mechanism is connected to the main controller, so that the main controller can control the opening and closing of the main automatic protection switch. The current sensor senses the current passing through the main line. When the current is too large, the main controller controls the main automatic protection switch to close and cut off the circuit to avoid damage to the power distribution equipment due to current overload. When the main automatic protection switch is damaged and needs maintenance, the backup automatic protection switch is connected to the main controller. At this time, the backup automatic protection switch can protect the power distribution equipment to avoid the need to cut off the power distribution equipment during switch maintenance, which affects the normal power distribution use.

[0015] 2. Through the setting of the alarm mechanism, when the current sensor senses the overload current and the switch is closed, the alarm controller controls the alarm to sound the alarm in time, reminding the staff to carry out maintenance in time to avoid damage to the distribution equipment.

[0016] 3. Through the setting of the positioning mechanism, the positioning pin is inserted into the positioning tube, the mounting plate is quickly positioned on the top surface of the distribution cabinet body, and then the mounting bolts are tightened to fix the mounting plate, which is convenient for personnel to quickly install. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of an automatic protection switch for power distribution equipment.

[0019] Figure 2 The utility model is a schematic diagram of the overall disassembly structure of an automatic protection switch for power distribution equipment.

[0020] Figure 3 The utility model is a schematic diagram of the structure of an automatic protection switch installation plate for power distribution equipment.

[0021] Figure 4 The utility model is a schematic diagram of the structure of an alarm mechanism of an automatic protection switch for power distribution equipment.

[0022] Figure 5 The utility model is a schematic diagram of the structure of a main controller of an automatic protection switch for power distribution equipment.

[0023] In the figure: 1. Distribution cabinet body; 2. Positioning mechanism; 201. Positioning tube; 202. Positioning pin; 3. Mounting plate; 4. Current sensor; 5. Main line; 6. Main controller; 7. Connector mechanism; 701. Line connector; 702. Power cord; 8. Main automatic protection switch; 9. Backup automatic protection switch; 10. Alarm mechanism; 1001. Alarm controller; 1002. Alarm; 11. Dust net; 12. Mounting bolts; 13. Control line. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-5 An automatic protection switch for power distribution equipment shown in the figure comprises a power distribution cabinet body 1, and positioning mechanisms 2 are fixedly arranged on all four sides of the top surface of the power distribution cabinet body 1. Through the setting of the positioning mechanism 2, the positioning pin 202 is inserted into the positioning tube 201, and the mounting plate 3 is quickly positioned on the top surface of the power distribution cabinet body 1, and then the mounting bolts 12 are screwed to fix the mounting plate 3, which is convenient for personnel to quickly install. A mounting plate 3 is fixedly arranged on the top of the positioning mechanism 2, and a current sensor 4 is fixedly installed on one side of the top surface of the mounting plate 3. A main line 5 is arranged inside the current sensor 4, and one end of the main line 5 is electrically connected to a main controller 6, and one side of the main controller 6 is electrically connected to two groups of joint mechanisms 7, one side of one group of joint mechanisms 7 is electrically connected to a main automatic protection switch 8, and one side of the other group of joint mechanisms 7 is electrically connected to a standby automatic protection switch 9. Through the setting of the main automatic protection switch 8 and the standby automatic protection switch 9, the joint mechanism 7 is connected to the main controller 6. The main controller 6 is connected so that the main controller 6 can control the opening and closing of the main automatic protection switch 8. The current sensor 4 senses the current passing through the main line 5. When the current is too large, the main controller 6 controls the main automatic protection switch 8 to close and cut off the circuit to avoid damage to the power distribution equipment due to current overload. When the main automatic protection switch 8 is damaged and needs maintenance, the backup automatic protection switch 9 is connected to the main controller 6. At this time, the backup automatic protection switch 9 can protect the power distribution equipment to avoid the need to cut off the power distribution equipment during switch maintenance, which affects the normal power distribution use. One side of the main automatic protection switch 8 and the backup automatic protection switch 9 are electrically connected with an alarm mechanism 10. Through the setting of the alarm mechanism 10, when the current sensor 4 senses an overload current and the switch is closed, the alarm controller 1001 controls the alarm 1002 to promptly sound an alarm, reminding the staff to perform maintenance in time to avoid damage to the power distribution equipment. A dustproof net 11 is fixedly installed on the top surface of the mounting plate 3.

[0026] The positioning mechanism 2 includes a positioning tube 201 fixedly arranged around the top surface of the distribution cabinet body 1, and a positioning pin 202 is movably arranged inside the positioning tube 201. Through the setting of the positioning mechanism 2, the positioning pin 202 is inserted into the positioning tube 201, and the mounting plate 3 is quickly positioned on the top surface of the distribution cabinet body 1, and then the mounting bolts 12 are tightened to fix the mounting plate 3, which is convenient for personnel to quickly install.

[0027] The top surface of the mounting plate 3 is provided with mounting screw holes all around, and mounting bolts 12 are movably provided inside the mounting screw holes. The top surface of the distribution cabinet body 1 is provided with threaded holes all around, and the threaded holes are adapted to the mounting bolts 12. The mounting bolts 12 are provided to fix the mounting plate 3.

[0028] The connector mechanism 7 includes a line connector 701 electrically connected to one side of the main controller 6, one end of the line connector 701 is electrically connected to a power line 702, and through the setting of the connector mechanism 7, the main automatic protection switch 8 and the backup automatic protection switch 9 are connected to the main controller 6.

[0029] The alarm mechanism 10 includes an alarm controller 1001 electrically connected to one side of the main automatic protection switch 8 and the backup automatic protection switch 9. One side of the alarm controller 1001 is electrically connected to an alarm 1002. Through the setting of the alarm mechanism 10, when the current sensor 4 senses an overload current and the switch is closed, the alarm controller 1001 controls the alarm 1002 to promptly issue an alarm, reminding the staff to perform maintenance in time to avoid damage to the distribution equipment.

[0030] Fixing screw holes are arranged around the top surface of the alarm 1002 , and fixing bolts are movably arranged inside the fixing screw holes. The setting of the fixing bolts can fix the alarm 1002 .

[0031] One side of the main line 5 is electrically connected to the distribution cabinet body 1, and the other sides of the main automatic protection switch 8 and the standby automatic protection switch 9 are electrically connected to the control line 13. The control line 13 is electrically connected to the distribution cabinet body 1. Through the setting of the main line 5 and the control line 13, the power supply of the distribution cabinet body 1 is controlled to be turned on and off.

[0032] Working principle: Insert the positioning pin 202 into the positioning tube 201, quickly position the mounting plate 3 on the top surface of the distribution cabinet body 1, and then tighten the mounting bolts 12 to fix the mounting plate 3, which is convenient for personnel to quickly install, and connect the joint mechanism 7 to the main controller 6, so that the main controller 6 can control the opening and closing of the main automatic protection switch 8, and the current sensor 4 senses the current passing through the main line 5. When the current is too large, the main controller 6 controls the main automatic protection switch 8 to close and cut off the circuit to avoid damage to the distribution equipment due to current overload. When the main automatic protection switch 8 is damaged and needs maintenance, the spare automatic protection switch 9 is connected to the main controller 6. At this time, the spare automatic protection switch 9 can protect the distribution equipment to avoid the need to cut off the distribution equipment during switch maintenance, affecting normal power distribution use. When the current sensor 4 senses an overload current and the switch is closed, the alarm controller 1001 controls the alarm 1002 to promptly sound an alarm, reminding the staff to perform maintenance in time to avoid damage to the distribution equipment.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic protection switch for power distribution equipment, comprising a power distribution cabinet body (1), characterized in that: Positioning mechanisms (2) are fixedly arranged on all four sides of the top surface of the power distribution cabinet body (1); a mounting plate (3) is fixedly arranged on the top of the positioning mechanism (2); a current sensor (4) is fixedly installed on one side of the top surface of the mounting plate (3); a main line (5) is arranged inside the current sensor (4); one end of the main line (5) is electrically connected to a main controller (6); one side of the main controller (6) is electrically connected to two groups of connector mechanisms (7); one side of one group of connector mechanisms (7) is electrically connected to a main automatic protection switch (8); and one side of the other group of connector mechanisms (7) is electrically connected to a backup automatic protection switch (9); one side of the main automatic protection switch (8) and the backup automatic protection switch (9) are both electrically connected to an alarm mechanism (10); and a dust screen (11) is fixedly installed on the top surface of the mounting plate (3).

2. The automatic protection switch for power distribution equipment according to claim 1, characterized in that: The positioning mechanism (2) comprises a positioning tube (201) fixedly arranged around the top surface of the power distribution cabinet body (1), and a positioning pin (202) is movably arranged inside the positioning tube (201).

3. The automatic protection switch for power distribution equipment according to claim 1, characterized in that: The top surface of the mounting plate (3) is provided with mounting screw holes on all sides, and mounting bolts (12) are movably provided inside the mounting screw holes. The top surface of the power distribution cabinet body (1) is provided with threaded holes on all sides, and the threaded holes are compatible with the mounting bolts (12).

4. The automatic protection switch for power distribution equipment according to claim 1, characterized in that: The connector mechanism (7) comprises a line connector (701) electrically connected to one side of the main controller (6), and one end of the line connector (701) is electrically connected to a power line (702).

5. The automatic protection switch for power distribution equipment according to claim 1, characterized in that: The alarm mechanism (10) comprises an alarm controller (1001) electrically connected to one side of a main automatic protection switch (8) and a standby automatic protection switch (9), and one side of the alarm controller (1001) is electrically connected to an alarm (1002).

6. The automatic protection switch for power distribution equipment according to claim 5, characterized in that: The top surface of the alarm (1002) is provided with fixing screw holes on all four sides, and fixing bolts are movably provided inside the fixing screw holes.

7. The automatic protection switch for power distribution equipment according to claim 1, characterized in that: One side of the main line (5) is electrically connected to the power distribution cabinet body (1), and the other sides of the main automatic protection switch (8) and the standby automatic protection switch (9) are both electrically connected to a control line (13), and the control line (13) is electrically connected to the power distribution cabinet body (1).

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