Ventilation and heat exchange device for control cabinet

Abstract

The utility model relates to the technical field of control cabinets, in particular to a ventilation and heat exchange device for a control cabinet, which comprises the control cabinet, an air inlet fan is fixedly mounted at the inner bottom of the control cabinet, an air exhaust fan is fixedly mounted at the inner top of the control cabinet, and a mounting groove is formed in the top end of the control cabinet. The mounting groove is used for fixedly mounting an exhaust pipe, the exhaust pipe is mounted right above an exhaust fan, exhaust holes are formed in the top end and the side face of the exhaust pipe, and a plurality of exhaust holes are formed in the top end and the side face of the exhaust pipe. Air outside the control cabinet can be blown into the control cabinet through the air inlet fan arranged at the bottom of the control cabinet, air inside the control cabinet can be exhausted out of the control cabinet through the air exhaust fan arranged at the top of the control cabinet, and the air inlet fan and the air exhaust fan are matched in a one-in and one-out mode. Ventilation and heat exchange effects can be provided for the interior of the control cabinet, so that the temperature in the control cabinet is reduced, and the service life of electronic components is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of control cabinets, in particular to a ventilation and heat exchange device for a control cabinet. Background Art

[0002] The control cabinet is a combination of switchgear, measuring instruments, protective electrical appliances and auxiliary equipment assembled in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring. Its layout should meet the requirements of normal operation of the power system, be easy to maintain, and not endanger the safety of people and surrounding equipment. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. In the event of a fault or abnormal operation, the circuit can be cut off or an alarm can be given with the help of protective electrical appliances. Various parameters in operation can be displayed by measuring instruments, and certain electrical parameters can also be adjusted. It can also prompt or send signals when the normal working state is deviated. It is often used in various power generation, distribution and substations.

[0003] The existing control cabinet's external protective shell lacks ventilation and heat dissipation functions. If ventilation and heat exchange cannot be carried out in time, the internal electronic components will be kept at high temperature for a long time, thereby reducing their service life. Therefore, a ventilation and heat exchange device for a control cabinet is proposed, which can discharge the heat inside the control cabinet in time, thereby reducing the temperature inside the control cabinet to ensure the safe operation of the electronic components. Utility Model Content

[0004] In response to the problems in the prior art, the utility model provides a ventilation and heat exchange device for a control cabinet, which can discharge the heat inside the control cabinet in time, thereby reducing the temperature inside the control cabinet to ensure the safe operation of electronic components.

[0005] The technical solution adopted by the utility model to solve its technical problem is a ventilation and heat exchange device for a control cabinet, comprising a control cabinet, an air intake fan fixedly installed on the inner bottom of the control cabinet, an exhaust fan fixedly installed on the inner top of the control cabinet, a mounting slot provided on the top of the control cabinet, the mounting slot is used for fixed installation of an exhaust duct, the exhaust duct is installed directly above the exhaust fan, exhaust holes are provided on the top and side of the exhaust duct, and multiple exhaust holes are provided, a card slot is provided on the lower part of one side of the control cabinet, the card slot is used for installation and insertion of a dustproof screen plate, the dustproof screen plate is installed directly below the air intake fan, and a handle is provided on one side of the dustproof screen plate.

[0006] By adopting the above technical solution, an air inlet fan is set at the bottom of the control cabinet to blow the air outside the control cabinet into the control cabinet, and an exhaust fan is set at the top of the control cabinet to exhaust the air inside the control cabinet. The cooperation between the air inlet fan and the exhaust fan can provide ventilation and heat exchange effects inside the control cabinet, thereby reducing the temperature inside the control cabinet and increasing the service life of electronic components.

[0007] The dustproof screen can prevent dust and impurities in the outside air from entering the control cabinet, providing a certain dustproof effect.

[0008] Specifically, the top end of the exhaust pipe is fixedly connected to the bottom end of the connecting rod, and there are multiple connecting rods. The top ends of the multiple connecting rods are fixedly connected to the inner top of the top cover, and the top cover is fixedly installed directly above the exhaust pipe.

[0009] Specifically, a cavity is provided between the top cover and the exhaust pipe, and an insect-proof net is fixedly installed inside the cavity. The insect-proof net is arranged in a circular ring structure, and the insect-proof net is fixedly sleeved on the outside of the exhaust pipe. The outside of the insect-proof net is fixedly connected to the inside of the top cover.

[0010] By adopting the above technical solution, the hot air discharged into the exhaust duct will pass through the exhaust holes and be discharged into the cavity, and finally pass through the insect-proof net and be discharged to the outside. The setting of the insect-proof net can prevent flying insects from flying into the exhaust duct and the interior of the control cabinet from the cavity and the exhaust holes.

[0011] Specifically, a sealing ring is fixedly sleeved on the lower outer portion of the exhaust pipe, and the outer side of the sealing ring is tightly fitted with the inner wall of the installation groove.

[0012] By adopting the above technical solution, the provision of the sealing ring can prevent rainwater from flowing into the interior of the control cabinet through the gap between the exhaust pipe and the installation groove.

[0013] Specifically, a mounting block is fixedly connected to the middle portion of the outer side of the exhaust duct, and a plurality of mounting blocks are provided, and the plurality of mounting blocks are used for insertion of bolts for installation.

[0014] By adopting the above technical solution, the exhaust duct can be fixedly installed by passing the bolts through the mounting block and the top of the control cabinet in sequence.

[0015] Specifically, a main door is rotatably mounted on one side of the control cabinet, and a side door is rotatably mounted on a side of the control cabinet adjacent to the main door.

[0016] By adopting the above technical solution, the main door and the side door can be opened to quickly dissipate the heat inside the control cabinet, and it can also be convenient for staff to maintain or install electronic components inside the control cabinet.

[0017] Beneficial effects of the utility model:

[0018] The utility model discloses a ventilation and heat exchange device for control cabinet, the air of control cabinet outside can be blown into the inside of control cabinet through the setting of the air inlet fan at the bottom of control cabinet, the air of control cabinet inside can be discharged from the inside of control cabinet through the setting of the exhaust fan at the top of control cabinet, and the cooperation of the air inlet fan and the exhaust fan can provide the ventilation and heat exchange effect for the inside of control cabinet, so as to reduce the temperature of the inside of control cabinet and improve the service life of electronic components.

[0019] The utility model discloses a ventilation and heat exchange device for control cabinet can intercept the dust and impurity in the air of outside and enter the inside of control cabinet through the setting of dust screen board, provides certain dustproof effect, and the setting of exhaust pipe and top cap can avoid rainwater and flying insects from entering the inside of control cabinet from the exhaust fan, to realize waterproof and insect prevention function. DRAWINGS

[0020] The utility model is further illustrated below in connection with the drawings and embodiments.

[0021] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Fig. 2 It is the mounting groove structure schematic diagram of the utility model;

[0023] Fig. 3 It is the plane structure schematic diagram of the utility model;

[0024] Fig. 1, control cabinet 2, side door 3, mounting block 4, bolt 5, exhaust pipe 6, top cap 7, front door 8, dust screen board 9, handle 10, exhaust fan 11, mounting groove 12, air inlet fan 13, clamping groove 14, sealing ring 15, cavity 16, exhaust hole 17, connecting rod 18, insect screen. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative characteristics, purposes and effects of the utility model easy to understand, the utility model is further illustrated below in connection with specific embodiments.

[0026] In order to can blow out the heat of control cabinet inside in time, thereby can reduce the temperature of control cabinet inside, to guarantee the safe operation of electronic component, as an embodiment of the utility model, like Figs. 1-3The utility model provides a ventilation and heat exchange device for control cabinet, including control cabinet 1, the inside bottom fixed mounting of control cabinet 1 has the air inlet fan 12, the inside top fixed mounting of control cabinet 1 has the exhaust fan 10, the top of control cabinet 1 is seted up with installation groove 11, installation groove 11 is used for the fixed mounting of exhaust pipe 5, exhaust pipe 5 is installed in the just above exhaust fan 10, the top and the side of exhaust pipe 5 are seted up with exhaust hole 16, exhaust hole 16 is equipped with multiple, the lower part of one side of control cabinet 1 is seted up with the clamping groove 13, the clamping groove 13 is used for the dust screen plate 8 installation insertion, the dust screen plate 8 is installed in the just below air inlet fan 12, one side of dust screen plate 8 is equipped with handle 9.

[0027] In use, the external power supply starts the air inlet fan 12 and the exhaust fan 10, the air inlet fan 12 will blow the air outside the control cabinet 1 into the control cabinet 1, the exhaust fan 10 is started to exhaust the hot air in the control cabinet 1 into the exhaust pipe 5, the cooperation of the air inlet fan 12 and the exhaust fan 10 can provide ventilation and heat exchange effect for the control cabinet 1.

[0028] It should be noted that the dust screen plate 8 can intercept dust and impurities in the outside air into the control cabinet 1, and the dust screen plate 8 can be pulled out of the clamping groove 13 by holding the handle 9 to replace or clean the dust screen plate 8.

[0029] The utility model also includes that the top of exhaust pipe 5 is fixedly connected with the bottom of connecting rod 17, the connecting rod 17 is equipped with multiple, the top of multiple connecting rod 17 is fixedly connected with the inner top of top cover 6, the top cover 6 is fixedly installed in the just above exhaust pipe 5.

[0030] The utility model also includes that the top cover 6 and exhaust pipe 5 are equipped with cavity 15, the inside fixed mounting of cavity 15 has insect screen 18, the insect screen 18 is circular ring structure and is arranged, the insect screen 18 is fixedly sleeved on the outside of exhaust pipe 5, the outside of insect screen 18 is fixedly connected with the inside of top cover 6.

[0031] In use, the hot air in the exhaust pipe 5 will pass through the exhaust hole 16 and be discharged into the cavity 15, and finally pass through the insect screen 18 and be discharged to the outside. The setting of the insect screen 18 can prevent flying insects from flying into the exhaust pipe 5 and the control cabinet 1 through the cavity 15 and the exhaust hole 16.

[0032] The utility model also includes that the outside lower part of exhaust pipe 5 is fixedly sleeved with sealing ring 14, the outside of sealing ring 14 is closely combined with the inner wall of installation groove 11.

[0033] When in use, the provision of the sealing ring 14 can prevent rainwater from flowing into the interior of the control cabinet 1 through the gap between the exhaust pipe 5 and the installation groove 11 .

[0034] The present invention also includes that a mounting block 3 is fixedly connected to the middle portion of the outer side of the exhaust pipe 5 , and the mounting block 3 is provided in plurality, and the plurality of mounting blocks 3 are used for insertion of the bolts 4 for installation.

[0035] When in use, the exhaust pipe 5 can be fixedly installed by passing the bolts 4 through the mounting block 3 and the top of the control cabinet 1 in sequence.

[0036] The present invention also includes that a main door 7 is rotatably mounted on one side of the control cabinet 1 , and a side door 2 is rotatably mounted on a side of the control cabinet 1 adjacent to the main door 7 .

[0037] When in use, the main door 7 and the side door 2 can be opened to quickly dissipate the heat inside the control cabinet 1, and it can also be convenient for staff to maintain or install electronic components inside the control cabinet 1.

[0038] When the present invention is in use, the air intake fan 12 and the exhaust fan 10 are first started by an external power supply. The air intake fan 12 will blow the air outside the control cabinet 1 into the control cabinet 1. In the process of entering the control cabinet 1, the air will pass through the dustproof mesh plate 8 at the bottom of the air intake fan 12 to filter and intercept dust and impurities in the air. The start of the exhaust fan 10 will discharge the hot air inside the control cabinet 1 into the exhaust duct 5. The hot air will pass through the exhaust holes 16 of the exhaust duct 5 and be discharged into the cavity 15, and finally pass through the insect-proof net 18 and be discharged to the outside. The inlet and outlet cooperation between the air intake fan 12 and the exhaust fan 10 can provide ventilation and heat exchange effects to the interior of the control cabinet 1, and the arrangement of the exhaust duct 5 and the top cover 6 can prevent rainwater from entering the control cabinet 1 from the exhaust fan 10 to achieve a waterproof function.

[0039] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation and heat exchange device for a control cabinet, comprising a control cabinet (1), characterized in that: An air inlet fan (12) is fixedly installed on the inner bottom of the control cabinet (1), and an air exhaust fan (10) is fixedly installed on the inner top of the control cabinet (1). A mounting slot (11) is provided at the top of the control cabinet (1), and the mounting slot (11) is used for fixing and installing an exhaust pipe (5). The exhaust pipe (5) is installed directly above the exhaust fan (10). Exhaust holes (16) are provided at the top and side of the exhaust pipe (5), and the exhaust holes (16) are provided in multiple locations. A card slot (13) is provided at the lower part of one side of the control cabinet (1), and the card slot (13) is used for installing and inserting a dustproof screen plate (8). The dustproof screen plate (8) is installed directly below the air inlet fan (12), and a handle (9) is provided on one side of the dustproof screen plate (8).

2. A ventilation and heat exchange device for a control cabinet according to claim 1, characterized in that: The top end of the exhaust pipe (5) is fixedly connected to the bottom end of the connecting rod (17), and a plurality of connecting rods (17) are provided. The top ends of the plurality of connecting rods (17) are fixedly connected to the inner top of the top cover (6), and the top cover (6) is fixedly installed directly above the exhaust pipe (5).

3. A ventilation and heat exchange device for a control cabinet according to claim 2, characterized in that: A cavity (15) is provided between the top cover (6) and the exhaust pipe (5), and an insect-proof net (18) is fixedly installed inside the cavity (15). The insect-proof net (18) is arranged in a circular ring structure. The insect-proof net (18) is fixedly sleeved on the outside of the exhaust pipe (5), and the outside of the insect-proof net (18) is fixedly connected to the inside of the top cover (6).

4. The ventilation and heat exchange device for a control cabinet according to claim 1, characterized in that: A sealing ring (14) is fixedly sleeved on the lower outer portion of the exhaust pipe (5), and the outer side of the sealing ring (14) is tightly fitted with the inner wall of the installation groove (11).

5. The ventilation and heat exchange device for a control cabinet according to claim 1, characterized in that: A mounting block (3) is fixedly connected to the middle portion of the outer side of the exhaust pipe (5), and a plurality of mounting blocks (3) are provided. The plurality of mounting blocks (3) are used for installation and insertion of bolts (4).

6. The ventilation and heat exchange device for a control cabinet according to claim 1, characterized in that: A main door (7) is rotatably mounted on one side of the control cabinet (1), and a side door (2) is rotatably mounted on a side of the control cabinet (1) adjacent to the main door (7).

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