CN220956115U - Explosion-proof exhaust fan - Google Patents

Abstract

The utility model discloses an explosion-proof exhaust fan, which comprises a fan plate, wherein a connecting rod is arranged at the right end of the inner side wall of the fan plate, a motor box is arranged at the inner end of the connecting rod, an air outlet is arranged at the bottom of the motor box, a motor is arranged at the right wall of the interior of the motor box, blades are arranged on a rotating shaft of the motor, a fixed net is arranged on the left side surface of the fan plate, a wind collecting cover is arranged on the left side surface of the fixed net, one end of an air inlet pipe is connected with the left end of the wind collecting cover, a refrigerating box is arranged at the other end of the air inlet pipe, and the bottom of the refrigerating box is arranged at the top end of the fan plate.

Description

Explosion-proof exhaust fan

Technical Field

The utility model relates to the technical field of exhaust fans, in particular to an explosion-proof exhaust fan.

Background

In order to increase the heat dissipation effect of the motor in the exhaust fan, an air collecting cover is arranged on a fixed plate, and air flow generated by the rotation of a motor driving blade is blown to the surface of the motor through the air collecting cover, but if the exhaust fan is applied to a place for exhausting hot air, then the hot air is blown on the motor, so that the heat dissipation effect of the motor is not improved.

Disclosure of utility model

The utility model aims to provide an explosion-proof exhaust fan so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof exhaust fan, includes the fan board, the connecting rod is installed to the inside wall right-hand member of fan board, the motor case is installed to the inner of connecting rod, the bottom of motor case is equipped with the air outlet, the motor is installed to the inside right wall of motor case, install the blade in the pivot of motor, the fixed network is installed to the left surface of fan board, the fan housing is installed to the left surface of fixed network, the left end of fan housing is connected with the one end of air-supply line, the refrigeration case is installed to the other end of air-supply line, the top at the fan board is installed to the bottom of refrigeration case, the right side of refrigeration case is connected with the air-out pipe, the bottom of air-out pipe is inserted at the top of motor case through the top of fan board;

The refrigerator comprises a refrigerator body and a vertical pipe, the ends of the air inlet pipe and the air outlet pipe are respectively embedded at the top of the left side wall and the right side wall of the refrigerator body, the top end of the vertical pipe of the refrigerator body is mounted at the end of the air inlet pipe, and a refrigerating sheet is embedded on the bottom wall of the refrigerator body.

Preferably, the bottom left and right sides of box all installs the backup pad, the top at the fan board is installed to the bottom of backup pad, the bottom of box is equipped with the thermovent, install the copper on the bottom hot face of refrigeration piece, the bottom of copper passes the thermovent and extends to outside.

Preferably, the copper plate is provided with a hole body, and the left side surface of the right supporting plate is fixedly provided with a micro fan.

Preferably, the bottom end of the air outlet is inclined leftwards.

Preferably, a rectangular ring is arranged at the left end of the motor case, an adhesive layer is embedded at the inner edge of the right side face of the rectangular ring, and the adhesive layer is arranged at the left side of the motor.

Preferably, a dust filter screen is arranged in the air collecting cover.

Preferably, the wind collecting cover is connected with the fixed net through a magnetic structure.

Preferably, the air inlet pipe is a hose.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the refrigerating box is arranged at the top of the fan plate and comprises the box body and the vertical pipe, the refrigerating sheet is embedded on the bottom wall of the box body, cooling water is arranged in the box body, the vertical pipe is connected to the end part of the air inlet pipe, when hot air enters the cooling water through the air collecting cover, the air inlet pipe and the vertical pipe to be cooled, and then the hot air is discharged into the motor box in the fan plate through the air outlet pipe to be blown on the surface of the motor to dissipate heat, so that the heat dissipation effect is improved.

Drawings

Fig. 1 is an overall front view of the present utility model.

Fig. 2 is a schematic diagram of a refrigeration cassette of the present utility model.

Fig. 3 is a schematic diagram of a motor case of the present utility model.

In the figure: 1. fan plate, 2, connecting rod, 3, motor case, 4, air outlet, 5, motor, 6, fixed network, 7, wind collecting cover, 8, air inlet pipe, 9, refrigeration case, 10, air outlet pipe, 11, box, 12, riser, 13, refrigeration piece, 14, cooling port, 15, copper plate, 16, hole body, 17, backup pad, 18, mini fan, 19, rectangular ring, 20, adhesive layer, 21, dust filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, the present utility model provides a technical solution: the utility model provides an explosion-proof exhaust fan, including fan board 1, connecting rod 2 is installed to the inside wall right-hand member of fan board 1, motor case 3 is installed to the inner of connecting rod 2, the bottom of motor case 3 is equipped with air outlet 4, motor 5 is installed to the inside right wall of motor case 3, install the blade in the pivot of motor 5, fixed network 6 is installed to the left surface of fan board 1, collection fan housing 7 is installed to the left surface of fixed network 6, the left end of collection fan housing 7 is connected with one end of air-supply line 8, refrigeration case 9 is installed to the other end of air-supply line 8, the top at fan board 1 is installed to the bottom of refrigeration case 9, the right side of refrigeration case 9 is connected with out tuber pipe 10, the bottom of out tuber pipe 10 is inserted at the top of motor case 3 through the top of fan board 1;

The refrigeration box 9 comprises a box body 11 and a vertical pipe 12, the end parts of the air inlet pipe 8 and the air outlet pipe 10 are respectively embedded at the top parts of the left side wall and the right side wall of the box body 11, the top end of the vertical pipe 12 of the box body 11 is arranged at the end part of the air inlet pipe 8, and the inner bottom wall of the box body 11 is embedded with a refrigeration sheet 13.

The model of the refrigerating sheet 13 is TEC1-12706.

Cooling water is arranged in the box 11, and the bottom end of the vertical pipe 12 extends below the water surface.

Specifically, the left and right sides of the bottom of the box 11 are provided with support plates 17, the bottom ends of the support plates 17 are arranged at the top ends of the fan plates 1, the bottom of the box 11 is provided with a heat dissipation opening 14, the bottom hot surface of the refrigerating sheet 13 is provided with a copper plate 15, and the bottom ends of the copper plates 15 extend to the outside through the heat dissipation opening 14.

The copper plate 15 is made of pure copper, and the pure copper has excellent heat conduction effect, so that the heat of the hot surface of the refrigerating sheet 13 can be quickly conducted away.

Specifically, the copper plate 15 is provided with a hole 16, and a micro fan 18 is fixedly mounted on the left side surface of the right support plate 17.

By arranging the micro fan 18 to perform air flow operation to the copper plate 15 and the hole body 16, the heat dissipation effect of the hot surface of the refrigerating sheet 13 is further increased.

Specifically, the bottom end of the air outlet 4 is inclined leftward.

The bottom end of the air outlet 4 is inclined leftwards, so that the air blown out by the air outlet pipe 10 flows out of the air outlet 4, and the air flow direction of the blades on the motor 5 is adapted.

Specifically, a rectangular ring 19 is mounted at the left end of the motor box 3, an adhesive layer 20 is embedded in the inner edge of the right side surface of the rectangular ring 19, and the adhesive layer 20 is mounted on the left side of the motor 5.

By providing the rectangular ring 19 for sealing the left side of the motor box 3, the cold air blown out from the air outlet pipe 10 is fully applied to the motor 5.

Specifically, a dust screen 21 is mounted in the air collection hood 7.

By providing the dust screen 21, dust is trapped.

Specifically, the wind collecting cover 7 is connected with the fixed net 6 through a magnetic attraction structure.

Through setting up the magnetism and inhale the structure, be convenient for collect fan housing 7 and take off from fixed network 6, be convenient for to dust clearance on the dust filter screen 21.

Specifically, the air inlet duct 8 is a hose.

The air inlet pipe 8 is a hose and is used for adapting to the disassembly of the air collecting cover 7.

Working principle: the motor 5 controls the rotation of the blades, air flows into cooling water through the air collecting cover 7, the air inlet pipe 8 and the vertical pipe 12, hot air is cooled, and then air is blown into the motor box 3 through the air outlet pipe 10, so that the motor 5 is cooled by heat dissipation.

The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; also, unless expressly specified and limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims (8)

1. An explosion-proof exhaust fan which is characterized in that: the fan comprises a fan plate (1), wherein a connecting rod (2) is arranged at the right end of the inner side wall of the fan plate (1), a motor box (3) is arranged at the inner end of the connecting rod (2), an air outlet (4) is formed in the bottom of the motor box (3), a motor (5) is arranged on the right inner wall of the motor box (3), blades are arranged on a rotating shaft of the motor (5), a fixing net (6) is arranged on the left side surface of the fan plate (1), a wind collecting cover (7) is arranged on the left side surface of the fixing net (6), one end of an air inlet pipe (8) is connected with the left end of the wind collecting cover (7), a refrigerating box (9) is arranged at the other end of the air inlet pipe (8), an air outlet pipe (10) is connected to the right side of the refrigerating box (9), and the bottom end of the air outlet pipe (10) penetrates through the top of the fan plate (1) to be embedded in the top of the motor box (3);

The refrigerating box (9) comprises a box body (11) and a vertical pipe (12), the ends of the air inlet pipe (8) and the air outlet pipe (10) are respectively embedded at the top parts of the left side wall and the right side wall of the box body (11), the top end of the vertical pipe (12) of the box body (11) is arranged at the end part of the air inlet pipe (8), and a refrigerating sheet (13) is embedded on the inner bottom wall of the box body (11).

2. An explosion-proof exhaust fan as set forth in claim 1, wherein: the cooling box is characterized in that support plates (17) are arranged on the left side and the right side of the bottom of the box body (11), the bottom ends of the support plates (17) are arranged on the top ends of the fan plates (1), heat dissipation openings (14) are formed in the bottom of the box body (11), copper plates (15) are arranged on the bottom hot surfaces of the cooling plates (13), and the bottom ends of the copper plates (15) penetrate through the heat dissipation openings (14) to extend to the outside.

3. An explosion-proof exhaust fan as claimed in claim 2, wherein: the copper plate (15) is provided with a hole body (16), and the left side surface of the supporting plate (17) on the right side is fixedly provided with a micro fan (18).

4. An explosion-proof exhaust fan as set forth in claim 1, wherein: the bottom end of the air outlet (4) is inclined leftwards.

5. An explosion-proof exhaust fan as set forth in claim 1, wherein: the left end of the motor box (3) is provided with a rectangular ring (19), an adhesive layer (20) is embedded in the inner edge of the right side face of the rectangular ring (19), and the adhesive layer (20) is arranged on the left side of the motor (5).

6. An explosion-proof exhaust fan as set forth in claim 1, wherein: a dust filter screen (21) is arranged in the air collecting cover (7).

7. An explosion-proof exhaust fan as set forth in claim 1, wherein: the wind collecting cover (7) is connected with the fixed net (6) through a magnetic structure.

8. An explosion-proof exhaust fan as set forth in claim 1, wherein: the air inlet pipe (8) is a hose.