CN112803275B - An XL21 power distribution cabinet with circuit protection function - Google Patents

Abstract

The invention discloses an XL21 power distribution cabinet with a circuit protection function, which comprises a power distribution cabinet body and a through hole, wherein the left side of the power distribution cabinet body is connected with a front cover, the rear end of the front cover is provided with a handle, the front end of the front cover is connected with a locking piece, a groove is arranged inside the locking piece, an air blower is arranged inside the power distribution cabinet body, an exhaust fan is arranged on the left side of the air blower, the output end of the motor is connected with a transmission shaft, the outer surface of the transmission shaft is provided with fan blades, and the through hole is arranged above a wire arrangement pipe. This XL21 switch board with circuit protection function can be great to the inside electric current because of in the circuit of switch board body through the industry thermometer after setting up, and the temperature that produces risees and carries out the perception, makes the workman can audio-visually see the temperature condition to open cooling device and cool down the cooling and handle, play protect function to each circuit, avoid breaking down or the short circuit because of the high temperature.

Description

An XL21 power distribution cabinet with circuit protection function

technical field

The invention relates to the technical field of XL-21 power distribution cabinets, in particular to an XL21 power distribution cabinet with a circuit protection function.

Background technique

Power distribution cabinets (boxes) are divided into power distribution cabinets (boxes), lighting distribution cabinets (boxes), and metering cabinets (boxes), which are the final equipment of the power distribution system. Power distribution cabinet is a general term for motor control center. The power distribution cabinet is used in situations where the load is relatively scattered and there are few circuits; the motor control center is used in the situations where the load is concentrated and there are many circuits. They distribute the electrical energy of a certain circuit of the upper-level power distribution equipment to the nearest load. This class of equipment shall provide protection, monitoring and control of the load.

When the current in the existing XL-21 power distribution cabinet is large, it is easy to cause the temperature of the entire power distribution cabinet to rise. Therefore, the existing XL-21 power distribution cabinet does not have the protection function for the circuit, resulting in certain safety. Hidden danger, can not well meet the needs of people's use, in view of the above situation, technical innovation is carried out on the basis of the existing XL-21 power distribution cabinet.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an XL21 power distribution cabinet with a circuit protection function, so as to solve the problem that when the current in the internal circuit of the existing XL-21 power distribution cabinet proposed in the above-mentioned background art is large, it is easy to cause the entire power distribution cabinet to be generated. The temperature rises, so the existing XL-21 power distribution cabinet does not have the protection function for the circuit, resulting in a certain safety hazard, which cannot well meet the needs of people.

In order to achieve the above purpose, the present invention provides the following technical solutions: an XL21 power distribution cabinet with a circuit protection function, comprising a power distribution cabinet body and a through hole, the left side of the power distribution cabinet body is connected with a front cover, and the front cover is The rear end of the power distribution cabinet is provided with a handle, the front end of the front cover is connected with a locking piece, and the interior of the locking piece is provided with a groove, a blower is installed inside the power distribution cabinet body, and a blower is installed on the left side of the blower. An exhaust fan, a partition plate is arranged above the exhaust fan, and a motor is installed above the partition plate, the output end of the motor is connected with a transmission shaft, and the outer surface of the transmission shaft is provided with a fan blade, and the fan blade is A conveying pipe is arranged on the left side, a power distribution frame is arranged above the fan blade, and the left and right sides of the power distribution frame are connected with sliders, the outside of the slider is connected with a chute, and the power distribution cabinet body The front end is provided with an industrial thermometer, and the right side of the industrial thermometer is provided with a cable duct, the inner wall of the power distribution cabinet body is provided with a spring, and the other end of the spring is connected with a clamping block, and the interior of the spring is provided with a telescopic rod , the through hole is arranged above the cable tube.

Preferably, the through hole penetrates through the inside of the power distribution cabinet body, and the power distribution cabinet body and the industrial thermometer are fixedly connected, and the structure of the cable duct is set as a hollow structure.

Preferably, the power distribution frame forms a sliding structure between the sliding block and the chute and the power distribution cabinet body, and a semi-enclosed structure is formed between the sliding block and the sliding groove, and the sliding block and the sliding groove are movably connected.

Preferably, a communication structure is formed between the conveying pipe and the power distribution cabinet body, and the fan blade and the transmission shaft are fixedly connected.

Preferably, a locking structure is formed between the front cover and the power distribution cabinet body through a locking member, a groove, a spring, a telescopic rod and a clamping block, and the grooves are symmetrically distributed with respect to the horizontal centerline axis of the locking member.

Preferably, the power distribution cabinet body forms an engaging structure between the spring and the telescopic rod and the clamping block, and there are two clamping blocks.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. The set industrial thermometer can sense the temperature rise inside the power distribution cabinet body due to the large current in the circuit, which is easy to generate, so that the workers can intuitively see the temperature situation, so as to turn on the cooling device for cooling and cooling. , to protect each circuit, to avoid failure or short circuit due to high temperature, the cable tube can regulate each circuit to avoid being too messy;

2. The installed distribution frame forms a sliding structure between the slider and the chute and the distribution cabinet body, which facilitates the installation of various lines. The circuit can be placed in the distribution frame, which can avoid the disorder of the circuit, and can be placed in an orderly manner, which makes it easy to find during maintenance; through the installed conveying pipe, it can be connected with the external refrigerator, and the cold air can be introduced into the body of the power distribution cabinet. At the same time, with the cooperation of the fan blades, the spreading area of cold air can be increased, so that the heat generated by the circuit operation in the power distribution cabinet body can be cooled, so as to avoid the influence of the accumulated heat and high temperature on the circuit;

3. The installed front cover can be connected with the clamping block through the locking piece and the groove under the mutual cooperation of the spring and the telescopic rod, which can improve the stability of the front cover and the power distribution cabinet body in the closed state. The spring can be guided by the telescopic rod after setting, so that the elastic force is too large to be shaken around.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

FIG. 2 is a schematic top view of the structure of the power distribution cabinet body according to the present invention;

Fig. 3 is the partial enlarged structural schematic diagram at B in Fig. 1 of the present invention;

Fig. 4 is the partial enlarged structural schematic diagram of A in Fig. 1 of the present invention;

FIG. 5 is a schematic view of the front structure of the handle of the present invention.

In the figure: 1. Power distribution cabinet body; 2. Through hole; 3. Cable tube; 4. Industrial thermometer; 5. Handle; 6. Locking piece; 7. Groove; 8. Spring; 9. Telescopic rod; 10. Block; 11. Power distribution frame; 12. Slider; 13. Chute; 14. Clapboard; 15. Motor; 16. Fan blade; 17. Conveying pipe; 18. Blower; 19. Exhaust fan; 20 , Front cover; 21. Transmission shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-5, the present invention provides a technical solution: an XL21 power distribution cabinet with circuit protection function, including a power distribution cabinet body 1 and a through hole 2, and a front cover is connected to the left side of the power distribution cabinet body 1 20, and the rear end of the front cover 20 is provided with a handle 5, the front end of the front cover 20 is connected with a locking piece 6, and the interior of the locking piece 6 is provided with a groove 7, and the interior of the power distribution cabinet body 1 is provided with a blower. 18, and an exhaust fan 19 is installed on the left side of the blower 18, a partition 14 is arranged above the exhaust fan 19, and a motor 15 is installed above the partition 14, and the output end of the motor 15 is connected with a transmission shaft 21, and the transmission shaft The outer surface of 21 is provided with a fan blade 16, the left side of the fan blade 16 is provided with a conveying pipe 17, the upper part of the fan blade 16 is provided with a power distribution frame 11, and the left and right sides of the power distribution frame 11 are connected with the slider 12, The sliding block 12 is connected with a chute 13 outside, the front end of the power distribution cabinet body 1 is provided with an industrial thermometer 4, and the right side of the industrial thermometer 4 is provided with a cable duct 3, and the inner wall of the power distribution cabinet body 1 is provided with a spring 8, The other end of the spring 8 is connected with a clamping block 10 , a telescopic rod 9 is arranged inside the spring 8 , and the through hole 2 is arranged above the cable duct 3 .

In the present invention, the through hole 2 runs through the interior of the power distribution cabinet body 1, and the power distribution cabinet body 1 and the industrial thermometer 4 are fixedly connected, and the structure of the cable duct 3 is set as a hollow structure; 4. It can sense the temperature rise that is easily generated due to the large current in the circuit inside the power distribution cabinet body 1, so that workers can intuitively see the temperature situation, so as to turn on the cooling device for cooling and cooling, and play a role in each circuit. Protection function to avoid failure or short circuit due to high temperature, and the cable tube 3 can regulate each circuit to avoid being too messy.

In the present invention, the power distribution frame 11 forms a sliding structure with the power distribution cabinet body 1 through the sliding block 12 and the chute 13, and a semi-enclosed structure is formed between the sliding block 12 and the sliding groove 13, and the sliding block 12 and the sliding groove form a semi-enclosed structure. 13 is an active connection; a sliding structure is formed between the installed distribution frame 11 through the slider 12 and the chute 13 and the distribution cabinet body 1, which facilitates the installation of various circuits. After the connector is inserted into the drawer type distribution frame 11, the circuit can be placed in the distribution frame, so that the circuit can be prevented from being cluttered, and can be placed in an orderly manner, making it easy to find during maintenance.

In the present invention, a communication structure is formed between the conveying pipe 17 and the power distribution cabinet body 1, and the fan blade 16 and the transmission shaft 21 are fixedly connected; The air is introduced into the power distribution cabinet body 1, and at the same time, the spreading area of the cold air is increased under the mutual cooperation of the fan blades 16, so that the heat generated by the circuit operation in the power distribution cabinet body 1 can be cooled, so as to avoid the influence of heat accumulation and high temperature on the circuit. .

In the present invention, the front cover 20 forms an engaging structure with the power distribution cabinet body 1 through the locking member 6 , the groove 7 , the spring 8 , the telescopic rod 9 and the clamping block 10 , and the groove 7 is related to the locking member 6 . The horizontal center line axis is symmetrically distributed; the front cover 20 can be snapped and connected with the clamping block 10 through the locking member 6 and the groove 7 under the mutual cooperation of the spring 8 and the telescopic rod 9, so that the front cover 20 can be improved. Stability of the cover 20 and the power distribution cabinet body 1 in the closed state.

In the present invention, the power distribution cabinet body 1 forms an engaging structure between the spring 8 and the telescopic rod 9 and the clamping block 10, and there are two clamping blocks 10; the set telescopic rod 9 can guide the spring 8 function, to avoid shaking around due to excessive elasticity.

The working principle of the XL21 power distribution cabinet with circuit protection function: when in use, first apply a pulling force to the handle 5 connected to the front cover 20, so that the groove 7 inside the locking member 6 can be locked between the spring 8 and the telescopic rod 9. It is separated from the block 10 under mutual cooperation, so that the power distribution cabinet body 1 is opened, and then the power distribution frame 11 is slid out of the power distribution cabinet body 1 through the mutual cooperation of the sliding block 12 and the chute 13, so as to open the power distribution cabinet body 1. After connecting and installing the various circuits, and then inserting them into the drawer-type distribution rack 11 through the connector at the front end of the distribution rack 11, the connecting wire can be placed in the distribution rack 11 for storage, so that the line and the connector are connected easily at the bend of the structure. Stable storage state, effectively protect the connection lines, and avoid exposure to the outside, making the interior of the power distribution cabinet body 1 look cluttered. Secondly, the arrangement of the cable duct 3 can uniformly pass through and store relatively thick circuit lines, and at the same time pass through the through holes. 2. Establish a connection with the outside, so as to keep the interior clean and tidy. The setting of the industrial thermometer 4 can sense the temperature rise inside the power distribution cabinet body 1 due to the large current during the operation of the circuit, which is easy to generate, and at the same time, it can make the workers intuitive. If you see the temperature situation, you can connect the conveying pipe 17 to the external refrigerator, input the cold air into the power distribution cabinet body 1, and start the motor 15 (model: 2IK6GN-CT) at the same time, and the motor 15 is in the working state. It can drive the transmission shaft 21 to rotate, thereby driving the fan blades 16 to rotate, so that the spreading area of cold air can be increased, and the heat generated by the circuit operation in the power distribution cabinet body 1 can be cooled through the leakage holes at the partition plate 14 to avoid short circuits. To protect the circuit, finally the blower 18 (model: 2PB210) can be started, the blower 18 can inject the external fresh air into the inside of the power distribution cabinet body 1, and the exhaust fan 19 (model: QMF-300F) can blow the dirty air inside and part of it. The heat discharge device can achieve the purpose of air circulation and keep the internal operating environment of the power distribution cabinet body 1 in a stable state all the time.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. The utility model provides a XL21 switch board with circuit protection function, includes switch board body (1) and through-hole (2), its characterized in that: the power distribution cabinet is characterized in that a front cover (20) is connected to the left side of a power distribution cabinet body (1), a handle (5) is arranged at the rear end of the front cover (20), a locking piece (6) is connected to the front end of the front cover (20), a groove (7) is formed in the locking piece (6), an air blower (18) is arranged in the power distribution cabinet body (1), an exhaust fan (19) is arranged on the left side of the air blower (18), a partition plate (14) is arranged above the exhaust fan (19), a motor (15) is arranged above the partition plate (14), the output end of the motor (15) is connected with a transmission shaft (21), the outer surface of the transmission shaft (21) is provided with fan blades (16), a conveying pipe (17) is arranged on the left side of each fan blade (16), a power distribution frame (11) is arranged above each fan blade (16), sliders (12) are connected to the left side and the right side of each power distribution frame (11), a sliding groove (13) is connected to the outer portion of each slider (12), an industrial thermometer (4) is arranged at the front end of the power distribution cabinet body (1), a wire tube (3) is arranged on the right side of the industrial thermometer (4), a spring (8) is connected with a spring (8), the utility model discloses a refrigerator, including switch board body, power distribution cabinet, front cover (20), spring (8), conveyer pipe (17) and switch board body (1), the inside of spring (8) is provided with telescopic link (9), through-hole (2) set up in the top of winding displacement pipe (3), constitute the connectivity structure between conveyer pipe (17) and switch board body (1), and conveyer pipe (17) are connected with outside refrigerator, be fixed connection between fan blade (16) and transmission shaft (21), switch board body (1) constitutes the block structure through between spring (8) and telescopic link (9) and fixture block (10), and fixture block (10) are provided with two, constitute the block structure between front cover (20) through locking piece (6), recess (7), spring (8), telescopic link (9) and fixture block (10) and switch board body (1), and recess (7) are symmetric distribution about the horizontal center line axle of locking piece (6).

2. The XL21 switch board with circuit protection function of claim 1, characterized in that: through-hole (2) run through in the inside of switch board body (1), and be fixed connection between switch board body (1) and industry thermometer (4), the structure of winding displacement pipe (3) sets up to hollow type structure.

3. The XL21 switch board with circuit protection function of claim 1, characterized in that: the power distribution frame (11) forms a sliding structure with the power distribution cabinet body (1) through the sliding block (12) and the sliding groove (13), a semi-surrounding structure is formed between the sliding block (12) and the sliding groove (13), and the sliding block (12) is movably connected with the sliding groove (13).

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