Simple direct-current brushless cross-flow fan

Abstract

The utility model relates to the technical field of direct-current brushless cross-flow fans, in particular to a simple direct-current brushless cross-flow fan which comprises an impeller assembly, a mounting plate is connected to the outer side of the impeller assembly in a clamped mode, an inner hexagon screw is rotationally connected to the interior of the mounting plate, a motor front cover plate is fixedly connected to the outer side of the mounting plate, and a motor rear cover plate is fixedly connected to the outer side of the motor front cover plate. The outer side of the motor front cover plate is fixedly connected with a permanent magnet rotor, the outer side of the permanent magnet rotor is fixedly provided with a stator with a casing, the outer side of the stator with the casing is fixedly connected with a motor rear end cover, and the outer side of the motor rear end cover is fixedly connected with a motor control panel. A first stainless steel pan head screw is rotationally connected into the motor control panel, and a motor rear cover is installed on the outer side of the motor control panel. The fan is simple in structure, convenient to use and exquisite in design, the fan performance can be effectively achieved, and meanwhile dust adsorbed on the surface of the impeller assembly can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to a simple direct current brushless crossflow fan, belonging to the technical field of direct current brushless crossflow fans. Background Art

[0002] In the traditional cross-flow fan design, the fan consists of an impeller, an air duct, a capacitor-start asynchronous motor or a shaded-pole motor; the capacitor-start asynchronous motor part consists of a front cover, a rear cover, a stator, a rotor, bearings, a capacitor, and connecting screws, and the shaded-pole motor consists of a rotor, a stator, a coil, a bracket, and connecting fasteners.

[0003] There are still some problems in the use of the existing simple DC brushless cross-flow fan. The traditional AC cross-flow fan can only operate at a fixed speed at the industrial frequency. The fan is mainly used to dissipate heat for electronic machines, dry-type transformers, copiers, projectors, constant temperature and drying machinery, and heating and cooling equipment. Due to the wide application of the product and the generally high temperature in the installation and use occasions, maintenance is relatively troublesome. In addition, combined with the requirements of energy saving and environmental protection, the above-mentioned traditional AC motor structure has no advantages in the current market. At the same time, dust will be adsorbed on the surface of the fan impeller assembly, which will be more troublesome to clean. Utility Model Content

[0004] The purpose of the utility model is to provide a simple DC brushless cross-flow fan. The utility model has a simple structure, is easy to use, and is beautifully designed. It can effectively achieve fan performance and can easily clean dust adsorbed on the surface of the impeller assembly to solve the problems raised in the above-mentioned background technology.

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

[0006] A simple DC brushless crossflow fan comprises an impeller assembly, a mounting plate is clamped on the outer side of the impeller assembly, a hexagon socket screw is rotatably connected inside the mounting plate, a motor front cover is fixedly connected to the outer side of the mounting plate, a permanent magnet rotor is fixedly connected to the outer side of the motor front cover, a stator with a casing is fixedly mounted on the outer side of the permanent magnet rotor, a motor rear end cover is fixedly connected to the outer side of the stator with a casing, a motor control board is fixedly connected to the inner side of the motor control board, a No. 1 stainless steel pan head screw is rotatably connected, a motor rear cover is mounted on the outer side of the motor control board, and a No. 2 stainless steel pan head screw is rotatably connected to the inner side of the motor rear cover.

[0007] Furthermore, a slide groove is provided inside the impeller assembly, a slide rod is slidably connected inside the slide groove, a return spring is fixedly connected to the outer side of the slide rod, a connecting block is fixedly connected to the outer side of the slide rod, a gantry is fixedly connected to the top of the connecting block, an electric telescopic rod is fixedly connected to the top of the gantry, a lifting rod is fixedly connected to the bottom of the electric telescopic rod, and a cleaning plate is fixedly connected to the bottom of the lifting rod.

[0008] Furthermore, the mounting plate is fixedly mounted on the outside of the impeller assembly by means of hexagon socket screws, the permanent magnet rotor and the stator with casing are located between the front cover plate of the motor and the rear end cover of the motor, the specification of the impeller assembly is a 500 impeller assembly, and the hexagon socket screws are M4*75 hexagon socket screws.

[0009] Furthermore, the motor control board is fixedly connected to the outer side of the rear end cover of the motor by means of No. 1 stainless steel pan head screws, and the No. 1 stainless steel pan head screws are M3*5 stainless steel pan head screws.

[0010] Furthermore, the motor control board is electrically connected to the permanent magnet rotor and the stator with a casing, and the motor rear cover is fixedly connected to the outside of the motor control board by No. 2 stainless steel pan head screws, and the No. 2 stainless steel pan head screws are M4*12 stainless steel pan head screws.

[0011] Furthermore, the slide grooves are symmetrically distributed inside the impeller assembly, and one end of the return spring away from the slide rod is fixedly connected to the inner wall of the slide groove.

[0012] Furthermore, the gantry is located outside the impeller assembly, and the cleaning plate is slidably connected above the impeller assembly via a lifting rod.

[0013] The beneficial effects of the utility model are:

[0014] (I) The utility model sets an impeller assembly, locks the mounting plate to the front cover of the motor by means of hexagon socket screws, and then uses hexagon socket screws to fix the mounting plate to the impeller assembly of the crossflow fan. The permanent magnet rotor is fixed to the stator with a housing and the impeller assembly by tightening screws on the locking assembly. At this time, the motor is energized, and the motor speed and operating power are tested by adjusting the speed through the duty cycle. Qualified products are packaged. The brushless motor used after the modification has a control part, and the speed adjustment can better and more accurately control the temperature, reduce the power consumption per unit time, and greatly improve the energy saving requirements.

[0015] (ii) The utility model is provided with an impeller assembly and a slide groove is opened inside the impeller assembly. When it is necessary to clean the dust adsorbed on the surface of the impeller assembly, the electric telescopic rod on the top of the gantry is started, so that the electric telescopic rod drives the lifting rod to move. At this time, the lifting rod drives the cleaning plate to move to the surface of the impeller assembly, and the connecting block is moved on the outside of the impeller assembly through the slide rod, so that the connecting block drives the gantry to move, and the cleaning plate can clean the dust adsorbed on the surface of the impeller assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0017] Figure 1 It is a split diagram of a simple DC brushless crossflow fan of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the outer side of a simple DC brushless crossflow fan impeller assembly of the utility model;

[0019] Figure 3 This is a structural schematic diagram of a simple DC brushless crossflow fan mounting plate and a motor rear cover of the utility model;

[0020] Figure 4 This is a structural schematic diagram of the outer side of a gantry frame of a simple DC brushless crossflow fan of the utility model;

[0021] Numbers in the figure: 1. Impeller assembly; 2. Mounting plate; 3. Hexagon socket screw; 4. Motor front cover; 5. Permanent magnet rotor; 6. Stator with housing; 7. Motor rear end cover; 8. Motor control board; 9. No. 1 stainless steel pan head screw; 10. Motor rear cover; 11. No. 2 stainless steel pan head screw; 12. Slide groove; 13. Slide rod; 14. Reset spring; 15. Connecting block; 16. Gantry; 17. Electric telescopic rod; 18. Lifting rod; 19. Cleaning plate. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1 Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0024] A simple DC brushless crossflow fan comprises an impeller assembly 1, a mounting plate 2 is clamped on the outer side of the impeller assembly 1, a hexagon socket screw 3 is rotatably connected inside the mounting plate 2, a motor front cover 4 is fixedly connected to the outer side of the mounting plate 2, a permanent magnet rotor 5 is fixedly connected to the outer side of the motor front cover 4, a stator 6 with a casing is fixedly mounted on the outer side of the permanent magnet rotor 5, a motor rear end cover 7 is fixedly connected to the outer side of the stator 6 with a casing, a motor control board 8 is fixedly connected to the outer side of the motor rear end cover 7, a No. 1 stainless steel pan head screw 9 is rotatably connected inside the motor control board 8, a motor rear cover 10 is mounted on the outer side of the motor control board 8, and a No. 2 stainless steel pan head screw 11 is rotatably connected inside the motor rear cover 10.

[0025] Specifically, Figure 1 As shown, the mounting plate 2 is fixedly mounted on the outer side of the impeller assembly 1 by means of the hexagon socket screws 3, the permanent magnet rotor 5 and the stator with casing 6 are located between the motor front cover 4 and the motor rear end cover 7, the motor control board 8 is fixedly connected to the outer side of the motor rear end cover 7 by means of the No. 1 stainless steel pan head screws 9, the motor control board 8 is electrically connected to the permanent magnet rotor 5 and the stator with casing 6, and the motor rear cover 10 is fixedly connected to the outer side of the motor control board 8 by means of the No. 2 stainless steel pan head screws 11.

[0026] In this embodiment: the rear end cover 7 of the motor is installed on the stator 6 with a housing, and then the permanent magnet rotor 5 is placed in the stator 6 with a housing. At this time, the hexagon socket screw 3 is passed through the motor front cover 4 and the stator 6 with a housing, and locked to the rear end cover 7 of the motor. Then, the No. 1 stainless steel pan head screw 9 is passed through the motor control board 8 and locked to the rear end cover 7 of the motor, and the No. 2 stainless steel pan head screw 11 is passed through the motor back cover 10 and locked to the rear end cover 7 of the motor. At this point, the motor installation is completed, and the motor system test is carried out. At this time, the motor is powered on, and the motor speed and operating power are tested by adjusting the speed through the duty cycle. The qualified products are packaged. Since the brushless motor used after the modification has a control part, the speed adjustment can better and more accurately control the temperature, reduce the power consumption per unit time, and greatly improve the energy saving requirements.

[0027] Example 2 Please refer to Figure 1 , Figure 2 and Figure 4 The difference between this embodiment and embodiment 1 is that a slide groove 12 is opened inside the impeller assembly 1, a slide rod 13 is slidably connected inside the slide groove 12, a return spring 14 is fixedly connected to the outer side of the slide rod 13, a connecting block 15 is fixedly connected to the outer side of the slide rod 13, a gantry 16 is fixedly connected to the top of the connecting block 15, an electric telescopic rod 17 is fixedly connected to the top of the gantry 16, a lifting rod 18 is fixedly connected to the bottom of the electric telescopic rod 17, and a cleaning plate 19 is fixedly connected to the bottom of the lifting rod 18.

[0028] Specifically, Figure 1-4As shown, the slide groove 12 is symmetrically distributed inside the impeller assembly 1, the gantry 16 is located on the outside of the impeller assembly 1, the cleaning plate 19 is slidably connected to the top of the impeller assembly 1 through the lifting rod 18, and the end of the return spring 14 away from the slide rod 13 is fixedly connected to the inner wall of the slide groove 12.

[0029] In this embodiment: by setting up the impeller assembly 1, by opening the slide groove 12 inside the impeller assembly 1, when it is necessary to clean the dust adsorbed on the surface of the impeller assembly 1, by starting the electric telescopic rod 17 on the top of the gantry 16, the electric telescopic rod 17 drives the lifting rod 18 to move, and then the lifting rod 18 drives the cleaning plate 19 to move to the surface of the impeller assembly 1, and the connecting block 15 is moved on the outside of the impeller assembly 1 through the slide rod 13, so that the connecting block 15 drives the gantry 16 to move, and then the cleaning plate 19 can clean the dust adsorbed on the surface of the impeller assembly 1.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A simple DC brushless crossflow fan, comprising an impeller assembly (1), characterized in that: The outer side of the impeller assembly (1) is clamped with a mounting plate (2), the interior of the mounting plate (2) is rotatably connected with a hexagon socket screw (3), the outer side of the mounting plate (2) is fixedly connected with a motor front cover (4), the outer side of the motor front cover (4) is fixedly connected with a permanent magnet rotor (5), the outer side of the permanent magnet rotor (5) is fixedly mounted with a stator with a casing (6), the outer side of the stator with a casing (6) is fixedly connected with a motor rear end cover (7), the outer side of the motor rear end cover (7) is fixedly connected with a motor control board (8), the interior of the motor control board (8) is rotatably connected with a No. 1 stainless steel pan head screw (9), the outer side of the motor control board (8) is mounted with a motor rear cover (10), and the interior of the motor rear cover (10) is rotatably connected with a No. 2 stainless steel pan head screw (11).

2. A simple DC brushless crossflow fan according to claim 1, characterized in that: The impeller assembly (1) is provided with a slide groove (12) inside, a slide rod (13) is slidably connected inside the slide groove (12), a return spring (14) is fixedly connected to the outside of the slide rod (13), a connecting block (15) is fixedly connected to the outside of the slide rod (13), a gantry (16) is fixedly connected to the top of the connecting block (15), an electric telescopic rod (17) is fixedly connected to the top of the gantry (16), a lifting rod (18) is fixedly connected to the bottom of the electric telescopic rod (17), and a cleaning plate (19) is fixedly connected to the bottom of the lifting rod (18).

3. A simple DC brushless crossflow fan according to claim 1, characterized in that: The mounting plate (2) is fixedly mounted on the outer side of the impeller assembly (1) by means of hexagon socket screws (3); the permanent magnet rotor (5) and the stator with housing (6) are located between the motor front cover (4) and the motor rear end cover (7).

4. A simple DC brushless crossflow fan according to claim 1, characterized in that: The motor control board (8) is fixedly connected to the outer side of the rear end cover (7) of the motor by means of No. 1 stainless steel pan head screws (9).

5. A simple DC brushless crossflow fan according to claim 1, characterized in that: The motor control board (8) is electrically connected to the permanent magnet rotor (5) and the stator with housing (6), and the motor rear cover (10) is fixedly connected to the outside of the motor control board (8) by means of No. 2 stainless steel pan head screws (11).

6. A simple DC brushless crossflow fan according to claim 2, characterized in that: The slide grooves (12) are symmetrically distributed inside the impeller assembly (1), and one end of the return spring (14) away from the slide rod (13) is fixedly connected to the inner wall of the slide groove (12).

7. A simple DC brushless crossflow fan according to claim 2, characterized in that: The gantry (16) is located outside the impeller assembly (1), and the cleaning plate (19) is slidably connected above the impeller assembly (1) via a lifting rod (18).

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