Bus duct plug-in switch box

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a bus duct plug switch box which comprises a box body, a circuit breaker is fixedly arranged in the box body, a plug port is fixedly arranged on the upper side of the circuit breaker, an air inlet is fixedly arranged on one side of the box body, and an air outlet is fixedly arranged on one side of the box body far away from the air inlet. A ventilation fan is fixedly arranged on the inner side of the air outlet, each of the air inlet and the air outlet comprises a shell, a plurality of through holes are formed in the outer side of the shell, moisture absorption cotton is inserted into the shell, a clamping plate is fixedly connected to the upper end of the moisture absorption cotton, and the clamping plate is detachably connected with the shell. According to the utility model, the air inlet and the air outlet are arranged, and air in the switch box can be driven to circulate with the outside through the ventilation fan, so that hot air in the switch box is discharged, the temperature in the box body is effectively reduced, equipment failure and performance reduction caused by long-term high temperature are avoided, and the safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a bus duct plug-in switch box. Background Art

[0002] The bus duct plug-in box is a bus duct accessory, which is mainly used to extend the branch line of the bus duct. The plug-in box is generally equipped with a molded case circuit breaker, which is connected to the bus duct through pins. The pins are connected to the incoming end of the circuit breaker, and the electrical equipment is connected to the outgoing end of the circuit breaker. The circuit is disconnected and protected by the circuit breaker. In this way, the current of the main line of the bus duct is diverted to the electrical equipment, which is convenient for use and maintenance.

[0003] At present, bus duct plug-in boxes mostly dissipate heat through passive heat dissipation, which is not efficient enough. Heat is easily accumulated in the box, resulting in high temperature, which may affect the normal operation of electrical components in the box, causing equipment failure or performance degradation. In addition, high temperature may also cause electrical fires, posing a threat to equipment and personnel safety. Therefore, those skilled in the art provide a bus duct plug-in switch box to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a bus duct plug-in switch box is proposed. The bus duct plug-in switch box is provided with an air inlet and an air outlet, and the ventilation fan can drive the internal air of the switch box to circulate with the outside, so as to discharge the hot air inside the switch box, effectively reduce the temperature inside the box, avoid equipment failure and performance degradation caused by long-term high temperature, and have stronger safety.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A busbar plug-in switch box, comprising a box body, a circuit breaker is fixedly arranged inside the box body, a plug-in port is fixedly arranged on the upper side of the circuit breaker, an air inlet is fixedly arranged on one side of the box body, an air outlet is fixedly arranged on the side of the box body away from the air inlet, and a ventilation fan is fixedly arranged on the inner side of the air outlet;

[0007] The air inlet and the air outlet both include a shell, a plurality of through openings are opened on the outer side of the shell, a moisture-absorbing cotton is inserted into the interior of the shell, a card plate is fixedly connected to the upper end of the moisture-absorbing cotton, and the card plate is detachably connected to the shell;

[0008] Through the above technical scheme, an air inlet, an air outlet and a ventilation fan are provided, and the ventilation fan can be used to drive the internal air of the switch box to circulate with the outside world, so as to discharge the hot air inside the switch box, effectively reduce the temperature inside the box, avoid equipment failure and performance degradation caused by long-term high temperature, and have stronger safety. Hygroscopic cotton is provided inside the air inlet and the air outlet. The hygroscopic cotton can absorb moisture inside the gas to ensure dryness and prevent water vapor outside the box from entering the inside of the box. It has strong safety. At the same time, the hygroscopic cotton can be disassembled for easy replacement. It has comprehensive functions and strong practicality.

[0009] Furthermore, both ends of the clamping plate are fixedly connected to the housing via connecting screws;

[0010] Through the above technical solution, the card plate can be disassembled after the screws are screwed out, so as to take out the moisture-absorbing cotton inside the shell.

[0011] Furthermore, a filter screen is detachably connected to the inner side of the housing via screws;

[0012] Through the above technical solution, the filter screen is used to filter and prevent dust.

[0013] Furthermore, the outer end of the box body is rotatably connected to a box door, and the outer end of the box door is fixedly provided with a lock;

[0014] Through the above technical solution, the box door is provided to protect the box body and play a sealing role.

[0015] Furthermore, a temperature sensor is fixedly arranged on the upper side of the interior of the box, and a warning light is fixedly arranged on the upper end of the box, and the warning light is electrically connected to the temperature sensor;

[0016] Through the above technical solution, the temperature sensor is used to detect the internal temperature of the box. If the temperature is too high, the warning light will be turned on to alert the staff.

[0017] Furthermore, two clamping feet are provided on both the upper and lower sides of the box body, and the clamping feet are fixedly connected to the box body through locking studs;

[0018] Through the above technical solution, the provided clamping feet are used to clamp and fix the box body and the bus duct. When in use, the locking stud is rotated to adjust the angle of the clamping feet.

[0019] Furthermore, a wire opening is provided at the middle of the lower end surface of the box body, and a rubber pad is fixedly provided on the inner side of the wire opening;

[0020] Through the above technical solution, the wire passage is provided for passing wires.

[0021] Furthermore, the moisture-absorbing cotton is made of flame-retardant sponge;

[0022] Through the above technical solution, the moisture-absorbing cotton made of flame-retardant sponge is not easy to burn and has strong safety.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a bus duct plug-in switch box. When the bus duct plug-in switch box is in use, it is provided with an air inlet, an air outlet and a ventilation fan. The ventilation fan can drive the air inside the switch box to circulate with the outside, thereby discharging the hot air inside the switch box, effectively reducing the temperature inside the box, avoiding equipment failure and performance degradation caused by long-term high temperature, and having higher safety.

[0025] 2. The utility model proposes a bus duct plug-in switch box, which is provided with hygroscopic cotton inside the air inlet and the air outlet. The hygroscopic cotton can absorb moisture inside the gas to ensure dryness and prevent water vapor outside the box from entering the inside of the box. The utility model has strong safety. At the same time, the hygroscopic cotton can be disassembled for easy replacement. The utility model has comprehensive functions and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional diagram of a bus duct plug-in switch box proposed by the utility model;

[0027] Figure 2 A box door opening structure for a bus duct plug-in switch box proposed by the utility model Figure 1 ;

[0028] Figure 3 A box door opening structure for a bus duct plug-in switch box proposed by the utility model Figure 2 ;

[0029] Figure 4 This is a top view of a bus duct plug-in switch box after the box door is opened;

[0030] Figure 5 The utility model is a partial cross-sectional view of a shell of a bus duct plug-in switch box.

[0031] Legend:

[0032] 1. Box body; 2. Box door; 3. Card foot; 4. Locking stud; 5. Air inlet; 6. Wire passage; 7. Rubber pad; 8. Lock; 9. Air outlet; 10. Ventilation fan; 11. Circuit breaker; 12. Plug port; 13. Temperature sensor; 14. Shell; 15. Filter; 16. Card plate; 17. Connecting screws; 18. Warning light; 19. Moisture-absorbing cotton; 20. Passage. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1-5 The utility model provides an embodiment: a bus duct plug-in switch box, including a box body 1, a circuit breaker 11 is fixedly arranged inside the box body 1, a plug-in interface 12 is fixedly arranged on the upper side of the circuit breaker 11, an air inlet 5 is fixedly arranged on one side of the box body 1, an air outlet 9 is fixedly arranged on the side of the box body 1 away from the air inlet 5, and a ventilation fan 10 is fixedly arranged on the inner side of the air outlet 9.

[0035] The air inlet 5 and the air outlet 9 both include a shell 14 , a plurality of through openings 20 are provided on the outer side of the shell 14 , a moisture-absorbing cotton 19 is inserted into the interior of the shell 14 , a clamping plate 16 is fixedly connected to the upper end of the moisture-absorbing cotton 19 , and the clamping plate 16 is detachably connected to the shell 14 .

[0036] Both ends of the clamping plate 16 are fixedly connected to the housing 14 by connecting screws 17 . After the connecting screws 17 are screwed out, the clamping plate 16 can be removed, thereby taking out the moisture-absorbing cotton 19 inside the housing 14 .

[0037] The inner side of the housing 14 is detachably connected with a filter screen 15 by means of screws. The filter screen 15 is provided to filter and prevent dust.

[0038] The outer end of the box body 1 is rotatably connected to a box door 2, and a lock head 8 is fixedly provided on the outer end of the box door 2. The box door 2 is provided to protect the box body 1 and play a sealing role.

[0039] A temperature sensor 13 is fixedly provided on the upper inner side of the box 1, and a warning light 18 is fixedly provided on the upper end of the box 1. The warning light 18 is electrically connected to the temperature sensor 13. The temperature sensor 13 is provided to detect the internal temperature of the box 1. If the temperature is too high, the warning light 18 is activated to light up to alert the staff.

[0040] Two clamping feet 3 are provided on the upper and lower sides of the box body 1. The clamping feet 3 are fixedly connected to the box body 1 through locking studs 4. The clamping feet 3 are provided to clamp and fix the box body 1 to the bus duct. When in use, the locking studs 4 are rotated to adjust the angle of the clamping feet 3.

[0041] A wire passage opening 6 is provided at the middle of the lower end surface of the box body 1, and a rubber pad 7 is fixedly provided inside the wire passage opening 6. The wire passage opening 6 is provided for passing wires.

[0042] The moisture-absorbing cotton 19 is made of flame-retardant sponge. The moisture-absorbing cotton 19 made of flame-retardant sponge is not easy to burn and has strong safety.

[0043] Working principle: When in use, start the ventilation fan 10, and the outside air enters through the multiple openings 20 of the air inlet 5. The ventilation fan 10 discharges the hot air inside the box 1 from the air outlet 9 through the rotation of the fan blades, so that the air circulation effectively reduces the temperature inside the box 1, avoids equipment failure and performance degradation caused by long-term high temperature, and is safer. Hygroscopic cotton 19 is provided inside the air inlet 5 and the air outlet 9. The hygroscopic cotton 19 can absorb moisture inside the gas to ensure dryness and prevent water vapor outside the box 1 from entering the inside of the box 1. It is safe. At the same time, the hygroscopic cotton 19 can be disassembled for easy replacement. It is comprehensive in function and highly practical.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bus duct plug-in switch box, comprising a box body (1), characterized in that: A circuit breaker (11) is fixedly arranged inside the box (1), a plug interface (12) is fixedly arranged on the upper side of the circuit breaker (11), an air inlet (5) is fixedly arranged on one side of the box (1), an air outlet (9) is fixedly arranged on the side of the box (1) away from the air inlet (5), and a ventilation fan (10) is fixedly arranged on the inner side of the air outlet (9); The air inlet (5) and the air outlet (9) both comprise a shell (14), the outer side of the shell (14) being provided with a plurality of through openings (20), the interior of the shell (14) being provided with a moisture-absorbing cotton (19), the upper end of the moisture-absorbing cotton (19) being fixedly connected to a clamping plate (16), and the clamping plate (16) being detachably connected to the shell (14).

2. A bus duct plug-in switch box according to claim 1, characterized in that: Both ends of the clamping plate (16) are fixedly connected to the housing (14) via connecting screws (17).

3. A bus duct plug-in switch box according to claim 1, characterized in that: A filter screen (15) is detachably connected to the inner side of the housing (14) via screws.

4. A bus duct plug-in switch box according to claim 1, characterized in that: The outer end of the box body (1) is rotatably connected to a box door (2), and a lock (8) is fixedly provided on the outer end of the box door (2).

5. The bus duct plug-in switch box according to claim 1, characterized in that: A temperature sensor (13) is fixedly arranged on the upper inner side of the box body (1), and a warning light (18) is fixedly arranged on the upper end of the box body (1), wherein the warning light (18) is electrically connected to the temperature sensor (13).

6. A bus duct plug-in switch box according to claim 1, characterized in that: Two clamping feet (3) are provided on both upper and lower sides of the box body (1), and the clamping feet (3) are fixedly connected to the box body (1) via locking studs (4).

7. The bus duct plug-in switch box according to claim 1, characterized in that: A wire passage opening (6) is provided at the middle of the lower end surface of the box body (1), and a rubber pad (7) is fixedly provided on the inner side of the wire passage opening (6).

8. The bus duct plug-in switch box according to claim 1, characterized in that: The moisture-absorbing cotton (19) is made of flame-retardant sponge.

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