Metro energy-saving fan

Abstract

The utility model discloses a subway energy-saving fan which comprises a fan body, protective net pieces are arranged on the left side and the right side of the fan body, a rotating shaft is connected between the protective net pieces on the left side and the right side in a rotating fit mode, and two sets of fans which are correspondingly arranged on the left side and the right side are fixedly arranged on the rotating shaft in the circumferential direction. A first transmission wheel and a second transmission wheel are further fixedly arranged on the rotating shaft, a driving mechanism is mounted at the bottom of the fan body and comprises a shell, a mounting plate is fixedly arranged in the shell, a moving table is arranged on the left side of the mounting plate, and a driving motor is fixedly arranged in the moving table; an electric control telescopic controller used for controlling the moving table to move left and right is fixedly arranged in the mounting plate. The device can control the rotation speed adjustment of the fan, so that the service life is prolonged while energy is saved; spray can be diffused and sprayed out at a high speed, and the safety in the tunnel is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to an energy-saving fan for a subway. Background Art

[0002] Fans are used in the fields of exhaust, air supply and dust removal. In the field of traditional fan technology, fans only use one impeller, which is fixed on the motor shaft. The air enters the fan from the air inlet, and is pushed by the impeller to obtain kinetic energy, forming a high-speed airflow that flows out from the air outlet. Among them, the larger the diameter of the impeller and the higher the speed, the greater the kinetic energy obtained by the airflow, and the higher the wind pressure and air volume. In a limited space, such as a subway tunnel, the motor on the traditional fan needs to output a large power to drive the fan blades to rotate at high speed, which requires a lot of electricity. Therefore, there is an urgent need for an energy-saving, safe and efficient subway energy-saving fan. Utility Model Content

[0003] The purpose of the utility model is to provide a subway energy-saving fan to overcome the above-mentioned defects in the prior art.

[0004] According to the utility model, a subway energy-saving fan comprises a fan body, wherein the left and right sides of the fan body are provided with protective nets, and the protective nets on the left and right sides are rotatably connected with a rotating shaft, and two groups of fans correspondingly arranged on the left and right sides are fixedly arranged on the rotating shaft in a circumferential direction, and a first transmission wheel and a second transmission wheel are also fixedly arranged on the rotating shaft, and a driving mechanism is installed at the bottom of the fan body, and the driving mechanism comprises a shell, and a mounting plate is fixedly arranged in the shell, and a moving platform is fixedly arranged on the left side of the mounting plate, and a driving motor is fixedly arranged in the moving platform, and an electric telescopic controller for controlling the left and right movement of the moving platform is fixedly arranged in the mounting plate, and the telescopic head on the electric telescopic controller is connected with the power of the moving platform, and a limit block is provided between the moving platform and the mounting plate, and a touch sensor is fixedly arranged in the limit block, and a spray device is also provided on the top of the fan body, and the right end of the driving motor is connected with a driving gear in a power connection, and a power transmission mechanism for transmitting the power output by the driving motor to the fan is also provided in the mounting plate.

[0005] According to a further technical solution, mounting frames are fixedly provided around the top of the fan body.

[0006] According to a further technical solution, the blades on the fans on the left and right sides are arranged in a staggered distribution.

[0007] According to a further technical solution, the touch sensor is electrically connected to the spray device.

[0008] According to a further technical solution, the power transmission mechanism includes a first transmission shaft and a second transmission shaft rotatably connected to the mounting plate, the left end of the first transmission shaft is poweredly connected to a first gear, the right end of the first transmission shaft is poweredly connected to a third transmission wheel, the left end of the second transmission shaft is poweredly connected to a second gear, the right end of the second transmission shaft is poweredly connected to a fourth transmission wheel, and a transmission belt is poweredly connected between the fourth transmission wheel and the first transmission wheel and between the third transmission wheel and the second transmission wheel.

[0009] According to a further technical solution, the first gear and the second gear are staggered, the fourth transmission wheel and the third transmission wheel are staggered, and the diameter of the fourth transmission wheel is smaller than the diameter of the third transmission wheel.

[0010] The beneficial effects of the utility model are as follows: the device can control the fan to run at a low speed when it is in standby use for a long time, thereby maintaining air flow in the tunnel, saving energy, and extending the service life; when dust removal or cooling is required, the fan can be automatically switched to achieve high-speed rotation, and the spray sprayed by the spray device can be quickly diffused and sprayed, further improving the safety in the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a left view of a subway energy-saving fan in the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of a subway energy-saving fan in the utility model;

[0013] Figure 3 It is a schematic diagram of the internal structure of the driving mechanism in the utility model. DETAILED DESCRIPTION

[0014] 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.

[0015] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0016] Reference Figure 1-3 According to the embodiment of the utility model, the subway energy-saving fan includes a fan body 1, and the left and right sides of the fan body 1 are provided with protective mesh members 4. The protective mesh members 4 on the left and right sides are rotatably connected with a rotating shaft 6. Two groups of fans 8 correspondingly arranged on the left and right sides are fixedly arranged on the rotating shaft 6 in a circumferential direction, so that the outside air is sucked into the fan body 1 by the fan 8 on the right side, and then the air is accelerated to be discharged from the fan body 1 through the fan 8 on the left side. A first transmission wheel 9 and a second transmission wheel 10 are also fixedly arranged on the rotating shaft 6. A driving mechanism is installed at the bottom of the fan body 1, so as to facilitate the first arrival when climbing for maintenance and improve the convenience of maintenance. The driving mechanism includes a shell 3, and a mounting plate 14 is fixedly arranged in the shell 3. The left side of the mounting plate 14 A moving platform 13 is provided, a driving motor 15 is fixedly arranged in the moving platform 13, an electric telescopic controller 17 for controlling the left and right movement of the moving platform 13 is fixedly arranged in the mounting plate 14, a telescopic head on the electric telescopic controller 17 is connected to the moving platform 13 by power, a limit block 24 is provided between the moving platform 13 and the mounting plate 14, a touch sensor 25 is fixedly arranged in the limit block 24, a spray device 5 is also provided on the top of the fan body 1, cooling and dust removal in the tunnel are achieved by the spray device 5 to improve safety, a driving gear 16 is connected to the right end of the driving motor 15 by power, and a power transmission mechanism for transmitting the power output by the driving motor 15 to the fan 8 is also provided in the mounting plate 14.

[0017] Advantageously or exemplarily, a mounting frame 2 is fixedly provided around the top of the fan body 1, thereby achieving stable installation of the entire device.

[0018] Advantageously or exemplarily, the blades on the fans 8 on the left and right sides are arranged in a staggered distribution.

[0019] Advantageously or exemplarily, the touch sensor 25 is electrically connected to the spray device 5 to achieve automatic control.

[0020] Beneficially or exemplarily, the power transmission mechanism includes a first transmission shaft 18 and a second transmission shaft 21 rotatably connected to the mounting plate 14, the left end of the first transmission shaft 18 is poweredly connected to a first gear 19, the right end of the first transmission shaft 18 is poweredly connected to a third transmission wheel 20, the left end of the second transmission shaft 21 is poweredly connected to a second gear 22, the right end of the second transmission shaft 21 is poweredly connected to a fourth transmission wheel 23, and a transmission belt (not shown) is poweredly connected between the fourth transmission wheel 23 and the first transmission wheel 9, and between the third transmission wheel 20 and the second transmission wheel 10, thereby realizing power transmission drive of the fan 8.

[0021] Beneficially or exemplarily, the first gear 19 and the second gear 22 are staggered, the fourth transmission wheel 23 and the third transmission wheel 20 are staggered, and the diameter of the fourth transmission wheel 23 is smaller than the diameter of the third transmission wheel 20, thereby realizing mechanical control of the speed adjustment of the fan 8.

[0022] When the utility model is used: when long-term standby is required, the movable platform 13 is controlled by the electric telescopic controller 17 to be located at the leftmost position in the housing 3. At this time, the driving gear 16 is moved away from the first gear 19, and the driving gear 16 and the second gear 22 are in a power connection state. Then, the second gear 22 is directly controlled to rotate by the driving motor 15, thereby driving the fourth transmission wheel 23 and the first transmission wheel 9 and the rotating shaft 6 to rotate, thereby realizing the control of the rotation of the fan 8;

[0023] When dust removal or cooling is required, the electronically controlled telescopic controller 17 controls the movable platform 13 to move to the right, so that the driving gear 16 cooperates with the first gear 19 and moves the driving gear 16 away from the second gear 22. At the same time, the right end face of the movable platform 13 is in contact with the touch sensor 25. At this time, the touch sensor 25 sends a signal and controls the spray device 5 to realize the spraying operation. At the same time, the driving motor 15 controls the rotation of the first gear 19, thereby driving the third transmission wheel 20 to rotate. The third transmission wheel 20 drives the second transmission wheel 10 and the fan 8 on the rotating shaft 6 to rotate at a high speed, thereby quickly discharging the spray, thereby increasing the dust removal or cooling distance.

[0024] It is clear to those skilled in the art that various modifications to the above embodiments can be made without departing from the overall spirit and concept of the present invention. All of them fall within the protection scope of the present invention. The protection scheme of the present invention shall be subject to the claims attached to the present invention.

Claims

1. A subway energy-saving fan, comprising a fan body (1), characterized in that: The fan body (1) is provided with protective nets (4) on the left and right sides, and a rotating shaft (6) is rotatably connected between the protective nets (4) on the left and right sides. Two groups of fans (8) correspondingly arranged on the left and right sides are fixedly provided on the rotating shaft (6) in a circumferential direction. A first transmission wheel (9) and a second transmission wheel (10) are also fixedly provided on the rotating shaft (6). A driving mechanism is installed at the bottom of the fan body (1), and the driving mechanism comprises a housing (3), a mounting plate (14) is fixedly provided in the housing (3), a moving platform (13) is provided on the left side of the mounting plate (14), a driving motor (15) is fixedly provided in the moving platform (13), and a drive motor (15) is fixedly provided in the mounting plate (14). An electric telescopic controller (17) is provided for controlling the left and right movement of the movable platform (13); the telescopic head on the electric telescopic controller (17) is connected to the movable platform (13) in a power-coordinated manner; a limit block (24) is provided between the movable platform (13) and the mounting plate (14); a touch sensor (25) is fixedly provided in the limit block (24); a spray device (5) is also provided on the top of the fan body (1); a drive gear (16) is connected to the right end of the drive motor (15); and a power transmission mechanism for transmitting the power output by the drive motor (15) to the fan (8) is also provided in the mounting plate (14).

2. A subway energy-saving fan according to claim 1, characterized in that: A mounting frame (2) is fixedly provided around the top of the fan body (1).

3. The subway energy-saving fan according to claim 1, characterized in that: The blades on the fans (8) on the left and right sides are arranged in a staggered distribution.

4. The subway energy-saving fan according to claim 1, characterized in that: The touch sensor (25) is electrically connected to the spray device (5).

5. The subway energy-saving fan according to claim 1, characterized in that: The power transmission mechanism comprises a first transmission shaft (18) and a second transmission shaft (21) which are rotatably connected to the mounting plate (14); the left end of the first transmission shaft (18) is connected to a first gear (19) by power, the right end of the first transmission shaft (18) is connected to a third transmission wheel (20) by power, the left end of the second transmission shaft (21) is connected to a second gear (22) by power, the right end of the second transmission shaft (21) is connected to a fourth transmission wheel (23) by power, and a transmission belt is connected between the fourth transmission wheel (23) and the first transmission wheel (9) and between the third transmission wheel (20) and the second transmission wheel (10) by power.

6. The subway energy-saving fan according to claim 5, characterized in that: The first gear (19) and the second gear (22) are arranged in a staggered manner, the fourth transmission wheel (23) and the third transmission wheel (20) are arranged in a staggered manner, and the diameter of the fourth transmission wheel (23) is smaller than the diameter of the third transmission wheel (20).

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