Direct-current brushless fan with zero standby power consumption

Abstract

The utility model relates to the field of direct-current brushless fans, and discloses a direct-current brushless fan with zero standby power consumption, which comprises a radial fan, a protective shell, a rear cover and a zero-power-consumption direct-current brushless motor body, and is characterized in that the end face of one end, correspondingly connected with the rear cover, of the protective shell is provided with a group of connecting holes I which are annularly distributed at equal intervals; the end face of the end, correspondingly connected with the protective shell, of the rear cover is provided with a set of third connecting holes connected with the first connecting holes in a matched mode through adaptive bolts, a zero-power-consumption direct-current brushless motor body is arranged in the center of the interior of the protective shell and the rear cover, and the end, away from the rear cover, of the protective shell is provided with a radial fan fixedly connected with the radial fan. According to the direct-current brushless fan with zero standby power consumption, the reasonability of the internal structure and the overhaul and maintenance speed are effectively improved, and the maintenance time and cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of direct current brushless fan, concretely is a standby zero power consumption's direct current brushless fan. BACKGROUND

[0002] Direct current brushless fan as a kind of high efficiency motor drive equipment, is widely used in electronic equipment, air conditioner, automobile and other fields needing heat dissipation and air circulation, its core advantage is that there is no brush, reduces friction loss, thereby improves efficiency and reliability, in addition, the noise generated by direct current brushless fan when running is lower, is suitable for the application scene with strict requirement to noise, the standby zero power consumption technology is proposed to meet the demand of energy saving and environmental protection regulations in modern electronic equipment, standby zero power consumption technology passes through optimization motor drive circuit and control strategy, so that fan hardly consumes electric energy when not running, realizes the state of true low energy consumption, in addition to energy efficiency, standby zero power consumption direct current brushless fan also needs to have fast response and intelligent control ability to adapt to environmental change and user demand, this can be realized by integrating sensor and intelligent control algorithm, so that fan can be started quickly when needed, while immediately entering standby state when not needed, to save energy to the maximum extent.

[0003] But as the standby zero power consumption's direct current brushless fan of today's market internal structure is complex, when there is problem and needs to carry out effective repair and maintenance, often inconvenient for subsequent repair and maintenance work, for this, we propose a standby zero power consumption's direct current brushless fan. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a standby zero power consumption's direct current brushless fan, solves the above-mentioned problems.

[0006] (II) technical scheme

[0007] To achieve the above-mentioned purposes, the utility model provides the following technical scheme: a standby zero power consumption's direct current brushless fan, including radial fan, protective shell, back cover and zero power consumption direct current brushless motor body, the end face of the protective shell is connected with the back cover One set of connection holes one is arranged in the form of ring equidistant distribution, and the end face of the back cover is connected with the protective shell One set of connection holes three is arranged through the cooperation of adaptive bolt and connection hole one, the internal center position of protective shell and back cover is equipped with zero power consumption direct current brushless motor body, and the end of the protective shell away from the back cover is equipped with radial fan fixed connection.

[0008] Preferably, the protective shell is a hollow cylindrical type as a whole, the protective shell is provided with a connecting outer edge corresponding to the end face of the rear cover, and the connecting outer edge is provided with a connecting plate one, the protective shell is provided with a connecting plate one corresponding to the end face of the radial fan, and the four corners of the connecting plate one are provided with connecting holes two, the protective shell is provided with a group of annular equidistant intermediate rods one corresponding to the end face of the radial fan, and the center position of the end face of the protective shell corresponding to the radial fan is provided with a matching hole.

[0009] Preferably, the rear cover body is a circular plate, the inside of the rear cover is provided with a group of intermediate rods two in equidistant annular distribution, and the intermediate rods two are arranged in a fan-shaped groove, and the intermediate rods two are provided with connecting holes four.

[0010] Preferably, the zero-power-loss direct-current brushless motor body is provided with a connecting plate two corresponding to the end face of the rear cover, and the four corners of the connecting plate two are provided with connecting holes five connected with the connecting holes four through adaptive bolts, the shaft core penetrating the matching hole is connected with the protective shell away from the rear cover, and the end of the shaft core away from the connecting plate two is provided with a spline head.

[0011] Preferably, the radial fan is a rectangular box body as a whole, and the center position of the end face of the radial fan away from the protective shell is provided with a circular opening, one air outlet communicating with the inside of the radial fan is formed in the side of the radial fan, and the end face of the radial fan corresponding to the protective shell is provided with fixing holes fixedly connected with the connecting holes two through adaptive bolts.

[0012] Preferably, the inside of the radial fan away from the end face of the circular opening is provided with a fan blade, and the end face of the fan blade corresponding to the protective shell is provided with a matching hole connected with the shaft core, and the inside of the matching hole is provided with a key groove matched with the spline head.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a kind of standby zero-power-loss direct-current brushless fan, with following beneficial effects:

[0015] 1, the direct-current brushless fan of standby zero-power-loss, the simple and convenient frame structure is used to effectively fix for the fixation of direct-current brushless motor body, subsequent disassembly and assembly are facilitated, and maintenance efficiency is improved.

[0016] 2, the direct-current brushless fan of standby zero-power-loss, spline and key groove are used to effectively connect in the connecting position of radial fan and the shaft core of zero-power-loss direct-current brushless motor, assembly and disassembly are facilitated, and spline is connected, transmission efficiency is high, and it is not easy to break, and service life is greatly improved. DRAWINGS

[0017] Figure 1The utility model discloses a standby zero power consumption's direct current brushless fan structure schematic diagram.

[0018] Figure 2 The utility model discloses a standby zero power consumption's direct current brushless fan sectional view schematic diagram.

[0019] Figure 3 The utility model discloses a protective shell schematic diagram.

[0020] Figure 4 The utility model discloses a rear cover schematic diagram.

[0021] Figure 5 The utility model discloses a zero power consumption direct current brushless motor body schematic diagram.

[0022] Figure 6 The utility model discloses a radial fan schematic diagram.

[0023] In the drawing: 1, radial fan;2, protective shell;3, rear cover;4, zero power consumption direct current brushless motor body;5, connecting outer edge;6, connecting plate one;7, connecting hole one;8, connecting hole two;9, middle rod one;10, air outlet;11, fit hole;12, connecting hole three;13, middle rod two;14, fan-shaped groove;15, connecting hole four;16, connecting plate two;17, connecting hole five;18, shaft core;19, spline head;20, fan blade;21, fixed hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-6 A standby zero power consumption's direct current brushless fan, including radial fan 1, protective shell 2, rear cover 3 and zero power consumption direct current brushless motor body 4, the end face of protective shell 2 corresponding connection rear cover 3 is equipped with the ring shape equidistance distribution one group connecting hole one 7, and the end face of rear cover 3 corresponding connection protective shell 2 is equipped with the group connecting hole three 12 that is connected with connecting hole one 7 through the cooperation bolt, the inside center position of protective shell 2 and rear cover 3 is equipped with zero power consumption direct current brushless motor body 4, and the end of protective shell 2 away from rear cover 3 is equipped with radial fan 1 fixed connection.

[0026] Further, the protective shell 2 is a hollow cylindrical type as a whole, the protective shell 2 is provided with a connecting outer edge 5 corresponding to the end face of the rear cover 3, and the connecting plate one 6 is opened on the connecting outer edge 5, the protective shell 2 is provided with the connecting plate one 6 corresponding to the end face of the radial fan 1, and the connecting hole two 8 is opened on the four corners of the connecting plate one 6, the protective shell 2 is provided with a group of annular equidistant intermediate rods one 9 corresponding to the end face of the radial fan 1, and the matching hole 11 is opened on the center position of the end face of the protective shell 2 corresponding to the radial fan 1, the matching hole 11 plays a role of connecting positioning, preventing the shaft core 18 of the zero-power consumption direct current brushless motor body 4 from being affected by the overturning moment.

[0027] Further, the rear cover 3 is a circular plate as a whole, the rear cover 3 is provided with a group of equidistant annular intermediate rods two 13 inside, and the fan-shaped grooves 14 are formed between each adjacent intermediate rod two 13, and the connecting hole four 15 is opened on the intermediate rod two 13, the rear cover 3 plays a role of connecting and fixing support, and ensures the accurate position of the zero-power consumption direct current brushless motor body 4.

[0028] Further, the zero-power consumption direct current brushless motor body 4 is provided with the connecting plate two 16 corresponding to the end face of the rear cover 3, and the connecting hole five 17 is opened on the four corners of the connecting plate two 16, which is matched and connected with the connecting hole four 15 through the adaptive bolt, the shaft core 18 of the zero-power consumption direct current brushless motor body 4 is matched and connected with the protective shell 2 through the matching hole 11 on the end away from the rear cover 3, and the spline head 19 is arranged on the end of the shaft core 18 away from the connecting plate two 16, the spline head 19 has the advantages of high disassembly and assembly efficiency, and can greatly improve the connection efficiency.

[0029] Further, the radial fan 1 is a rectangular box body as a whole, and the circular opening is opened on the center position of the end face of the radial fan 1 away from the protective shell 2, the air outlet 10 is opened on the side of the radial fan 1, which is communicated with the inside of the radial fan 1, and the fixing hole 21 is opened on the triangular end face of the radial fan 1 corresponding to the protective shell 2, which is matched and fixedly connected with the connecting hole two 8 through the adaptive bolt.

[0030] Further, the fan blade 20 is arranged inside the radial fan 1 away from the end face of the circular opening, and the matching hole is opened on the end face of the fan blade 20 corresponding to the protective shell 2, and the key groove is opened in the matching hole, which is matched and engaged with the spline head 19.

[0031] Working principle: according to the illustration correct installation the standby zero power consumption DC brushless fan, specifically for the hollow interior fixed connection with the protection shell 2 and the zero power consumption DC brushless motor body 4, and the shaft core 18 of zero power consumption DC brushless motor body 4 is worn by the matching hole 11 of protection shell 2, and the shaft core 18 and radial fan 1 are effectively connected, when the standby zero power consumption DC brushless fan inside needs to be maintained, only need to remove the rear cover 3 of protection shell 2 away from radial fan 1 end, zero power consumption DC brushless motor body 4 and rear cover 3 can be taken out and repair together, and the connecting hole one 7 top end of the connecting part of radial fan 1 and zero power consumption DC brushless motor body 4 is equipped with spline head 19, spline head 19 is convenient for docking and separating, greatly improves the maintenance and installation efficiency.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A standby zero-power DC brushless fan, comprising a radial fan (1), a protective shell (2), a back cover (3) and a zero-power DC brushless motor body (4), characterized in that: The protective shell (2) is provided with a group of connecting holes one (7) in the form of a ring and equidistantly distributed on the end face corresponding to the connection of the rear cover (3), and the rear cover (3) is provided with a group of connecting holes three (12) matched with the connecting holes one (7) through the matching bolts on the end face corresponding to the connection of the protective shell (2), and the internal center position of the protective shell (2) and the rear cover (3) is provided with a zero-power-loss direct-current brushless motor body (4), and the end of the protective shell (2) away from the rear cover (3) is provided with a radial fan (1) fixedly connected.

2. A standby zero-power consumption DC brushless fan according to claim 1, characterized in that: The protective shell (2) is a hollow cylindrical type as a whole, the end face of the protective shell (2) corresponding to the connection of the rear cover (3) is provided with a connecting outer edge (5), and the connecting outer edge (5) is provided with a connecting plate one (6), the end face of the protective shell (2) corresponding to the connection of the radial fan (1) is provided with a connecting plate one (6), and the four corners of the connecting plate one (6) are provided with connecting holes two (8), the end face of the protective shell (2) corresponding to the connection of the radial fan (1) is provided with a group of intermediate rods one (9) in the form of a ring and equidistantly distributed, and the center position of the end face of the protective shell (2) corresponding to the connection of the radial fan (1) is provided with a matching hole (11).

3. A standby zero-power consumption DC brushless fan according to claim 2, characterized in that: The rear cover (3) is a circular plate, the inside of the rear cover (3) is provided with a group of intermediate rods two (13) in the form of equidistant ring distribution, and each adjacent intermediate rod two (13) forms a fan-shaped groove (14), and the intermediate rod two (13) is provided with a connecting hole four (15).

4. A standby zero-power consumption DC brushless fan according to claim 1, characterized in that: The zero-power-loss direct-current brushless motor body (4) is provided with a connecting plate two (16) on the end face corresponding to the connection of the rear cover (3), and the four corners of the connecting plate two (16) are provided with connecting holes five (17) matched with the connecting holes four (15) through the matching bolts, the end of the zero-power-loss direct-current brushless motor body (4) away from the rear cover (3) is matched with the protective shell (2) to pass through the shaft core (18) of the matching hole (11), and the end of the shaft core (18) away from the connecting plate two (16) is provided with a spline head (19).

5. A standby zero-power consumption DC brushless fan according to claim 2, characterized in that: The radial fan (1) is a rectangular box body as a whole, and the center position of the end face of the radial fan (1) outside away from the protective shell (2) is provided with a circular opening, the side of the radial fan (1) is provided with an air outlet (10) communicating with the inside of the radial fan (1), and the end face of the radial fan (1) corresponding to the connection of the protective shell (2) is provided with a fixing hole (21) fixedly connected with the connecting holes two (8) through the matching bolts.

6. A standby zero-power consumption DC brushless fan according to claim 5, characterized in that: The inside of the radial fan (1) away from the end face of the circular opening is provided with a fan blade (20), and the end face of the fan blade (20) corresponding to the protective shell (2) is provided with a matching hole connected with the shaft core (18), and the matching hole is provided with a key groove matched with the spline head (19) in the inside.

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